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branch master updated: Use CSS for horizontal alignement in table cells


From: Patrice Dumas
Subject: branch master updated: Use CSS for horizontal alignement in table cells
Date: Sun, 07 Aug 2022 11:57:26 -0400

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 71423dc1f5 Use CSS for horizontal alignement in table cells
71423dc1f5 is described below

commit 71423dc1f51c35fe173023218475d5b0cf31d979
Author: Patrice Dumas <pertusus@free.fr>
AuthorDate: Sun Aug 7 17:57:13 2022 +0200

    Use CSS for horizontal alignement in table cells
    
    * tp/Texinfo/Convert/HTML.pm (%css_element_class_styles)
    (_convert_printindex_command, _convert_menu_comment_type)
    (_convert_def_line_type, _default_format_special_body_about):
    use CSS with classes for horizontal alignement for menu
    commnet, printindex index entries header, @def* line in table
    About table.
---
 ChangeLog                                          |  11 +
 tp/Texinfo/Convert/HTML.pm                         |  44 +-
 .../results/converters_tests/at_commands_in_raw.pl |   2 +-
 .../printindex_merged_indices_code_style.pl        |   2 +-
 .../references_to_top_no_top_output.pl             |   2 +-
 .../res_html/chapter.html                          |   4 +-
 .../coverage/punctuation_in_line_commands.pl       |   2 +-
 .../def/all_commands_delimiters_printindex.pl      |   8 +-
 tp/t/results/def/all_commands_printindex.pl        |   8 +-
 tp/t/results/def/space_in_def_for_index.pl         |   4 +-
 tp/t/results/float/cindex_in_caption.pl            |   4 +-
 tp/t/results/float/float_copying.pl                |   6 +-
 .../res_html/a-e-i-o-u-y-A-E-I-O-U.html            |   4 +-
 .../char_latin1_utf8_in_refs/res_html/index.html   |   4 +-
 .../char_latin2_latin2_in_refs/res_html/index.html |   4 +-
 .../sample_utf8/res_html/Index-node.html           |   4 +-
 .../float_copying/res_html/Copying-and-floats.html |   6 +-
 .../float_copying/res_html/float_copying_abt.html  |  38 +-
 tp/t/results/formatting/texi_bib_example.pl        |  41 +-
 tp/t/results/formatting/texi_glossary.pl           |  38 +-
 .../results/html_tests/index_and_node_same_name.pl |   4 +-
 tp/t/results/html_tests/index_below.pl             |   4 +-
 .../htmlxref/htmlxref/res_html/test_refs.html      |  38 +-
 .../htmlxref_nodes/res_html/test_refs_abt.html     |  38 +-
 .../htmlxref_only_mono/res_html/test_refs.html     |  38 +-
 .../res_html/test_refs_abt.html                    |  38 +-
 .../htmlxref_only_split/res_html/test_refs.html    |  38 +-
 .../res_html/test_refs_abt.html                    |  38 +-
 tp/t/results/indices/def_syn_indices.pl            |   4 +-
 ...default_cp_index_and_one_letter_syncodeindex.pl |   2 +-
 tp/t/results/indices/double_index_entry.pl         |   2 +-
 tp/t/results/indices/double_syncodeindex.pl        |   2 +-
 .../encoding_index_ascii/res_html/index.html       |   4 +-
 .../res_html/index.html                            |   4 +-
 .../encoding_index_latin1/res_html/index.html      |   4 +-
 .../res_html/index.html                            |   4 +-
 .../encoding_index_utf8/res_html/index.html        |   4 +-
 .../res_html/index.html                            |   4 +-
 tp/t/results/indices/explicit_sort_key.pl          |   2 +-
 tp/t/results/indices/ftable_vtable.pl              |   4 +-
 tp/t/results/indices/image_lines_count.pl          |   2 +-
 tp/t/results/indices/image_text_lines_count.pl     |   2 +-
 tp/t/results/indices/index_entries_locations.pl    |   2 +-
 .../indices/index_entry_before_first_node.pl       |   2 +-
 tp/t/results/indices/index_entry_before_node.pl    |   2 +-
 tp/t/results/indices/index_entry_in_footnote.pl    |   2 +-
 .../index_entry_in_footnote_different_node_end.pl  |   2 +-
 .../indices/index_entry_in_footnote_separate.pl    |   2 +-
 .../indices/printindex_index_entry_in_copying.pl   |   6 +-
 ...rintindex_index_entry_in_copying_in_footnote.pl |   4 +-
 ...ndex_index_entry_in_copying_no_insertcopying.pl |   2 +-
 .../indices/printindex_with_space_before.pl        |   2 +-
 .../indices/same_index_entry_merged_indices.pl     |   2 +-
 tp/t/results/indices/seealso_duplicate.pl          |   2 +-
 tp/t/results/indices/subentries.pl                 |   4 +-
 tp/t/results/indices/subentry_and_sortas.pl        |  10 +-
 tp/t/results/indices/syncode_index_print_both.pl   |   2 +-
 tp/t/results/indices/syncodeindex_to_plain.pl      |   4 +-
 tp/t/results/indices/transparent_sort_chars.pl     |   2 +-
 tp/t/results/indices/w_lines_count.pl              |   2 +-
 tp/t/results/languages/multiple.pl                 |   4 +-
 .../res_html/multiple_lang_chapters.html           |  38 +-
 .../layout/navigation/res_html/navigation.html     |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../navigation_node/res_html/navigation_abt.html   |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../res_html/navigation_abt.html                   |  38 +-
 .../navigation_vertical/res_html/navigation.html   |  38 +-
 .../no_monolithic/res_html/no_monolithic.html      |   4 +-
 .../no_monolithic/res_html/no_monolithic_abt.html  |  38 +-
 tp/t/results/menu/dash_in_menu.pl                  |   3 +-
 tp/t/results/menu/detailmenu.pl                    |   3 +-
 tp/t/results/menu/detailmenu_on_subnodes.pl        |   7 +-
 tp/t/results/menu/entry_after_detailmenu.pl        |   5 +-
 tp/t/results/menu/example_in_menu_comment.pl       |   3 +-
 tp/t/results/menu/example_in_menu_description.pl   |   3 +-
 tp/t/results/menu/formats_in_menu.pl               |   5 +-
 tp/t/results/menu/inlineraw_in_menu_description.pl |   3 +-
 tp/t/results/menu/menu_entry_no_entry.pl           |   3 +-
 tp/t/results/menu/menu_title_before_entries.pl     |   3 +-
 .../results/menu/missing_detailmenu_on_subnodes.pl |   5 +-
 tp/t/results/menu/no_colon_in_menu.pl              |   3 +-
 tp/t/results/menu/sc_in_menu.pl                    |   3 +-
 tp/t/results/menu/simple.pl                        |   5 +-
 tp/t/results/menu/verb_in_menu_description.pl      |   3 +-
 .../misc_commands/comment_space_command_on_line.pl |   2 +-
 tp/t/results/morecoverage/formatting_fr.pl         | 105 ++---
 tp/t/results/morecoverage/texi_formatting.pl       |  18 +-
 .../res_html/double_index_entry.html               |   4 +-
 .../index_no_node/res_html/Chapter.html            |   4 +-
 .../moreindices/index_no_node/res_html/index.html  |   8 +-
 .../index_no_node/res_html/index_no_node_abt.html  |  38 +-
 .../index_no_node/res_html/unnumbered.html         |   6 +-
 .../moreindices/index_split/res_html/first.html    |  16 +-
 .../moreindices/index_split/res_html/index.html    |   8 +-
 .../index_split/res_html/index_split_abt.html      |  38 +-
 .../index_split_nodes/res_html/first.html          |   6 +-
 .../index_split_nodes/res_html/index.html          |   8 +-
 .../res_html/index_split_abt.html                  |  38 +-
 .../res_html/node-2-in-section-3.html              |   6 +-
 .../index_split_nodes/res_html/section-1.html      |   4 +-
 .../index_split_nodes/res_html/section-3.html      |   4 +-
 .../index_split_nodes/res_html/subsection-2.html   |   4 +-
 .../res_html/first-before-top.html                 |  14 +-
 .../nodes_before_top/res_html/index.html           |   8 +-
 .../res_html/nodes_before_top_abt.html             |  38 +-
 .../res_html/nodes_before_top_and_sections.html    |  62 +--
 .../nodes_before_top_no_nodes/res_html/index.html  |  20 +-
 .../nodes_before_top_nodes/res_html/a-node.html    |   6 +-
 .../res_html/first-before-top.html                 |   4 +-
 .../nodes_before_top_nodes/res_html/first.html     |   4 +-
 .../nodes_before_top_nodes/res_html/index.html     |   8 +-
 .../res_html/node-in-menu-before-top.html          |   4 +-
 .../res_html/nodes_before_top_abt.html             |  38 +-
 .../nodes_before_top_nodes/res_html/second.html    |   4 +-
 .../split_chapter_index/res_html/first.html        |   4 +-
 .../res_html/split_chapter_index_abt.html          |  38 +-
 .../res_html/equivalent_nodes.html                 |  38 +-
 .../res_html/more_sections_than_nodes.html         |  38 +-
 .../res_html/node_footnote_abt.html                |  38 +-
 .../nodes_after_top_before_chapter_abt.html        |  38 +-
 .../res_html/nodes_after_top_before_section.html   |  38 +-
 .../nodes_after_top_before_section_abt.html        |  38 +-
 .../sectioning_frames/res_html/First-node.html     |   3 +-
 .../sectioning_frames/res_html/index.html          |   9 +-
 .../sectioning_frames/res_html/sectioning_abt.html |  38 +-
 .../res_html/top_node_up_explicit.html             |  38 +-
 .../res_html/top_node_up_implicit.html             |  38 +-
 .../res_html/two_footnotes_in_nodes.html           |  38 +-
 .../res_html/two_footnotes_in_nodes.html           |  38 +-
 .../sectioning/topic_guide/res_html/topic1.html    |   3 +-
 .../sectioning/topic_guide/res_html/topic2.html    |   3 +-
 .../sectioning/topic_guide/res_html/topic3.html    |   3 +-
 .../sectioning/topic_guide/res_html/topic4.html    |   3 +-
 .../sectioning/topic_guide/res_html/topic5.html    |   3 +-
 .../contents_and_parts/contents_and_parts.html     |  38 +-
 .../contents_at_begin/contents_at_begin.html       |  38 +-
 .../contents_at_begin.html                         |  38 +-
 .../contents_at_end/contents_at_end.html           |  38 +-
 .../contents_at_end_inline/contents_at_end.html    |  38 +-
 .../contents_in_middle_chapter.html                |  38 +-
 .../contents_in_middle_chapter.html                |  38 +-
 .../contents_in_middle_section.html                |  38 +-
 .../contents_in_middle_section.html                |  38 +-
 .../double_contents/double_contents.html           |  38 +-
 .../double_contents.html                           |  38 +-
 .../double_contents.html                           |  38 +-
 .../double_contents_abt.html                       |  38 +-
 .../double_contents_book/double_contents.html      |  22 +-
 .../double_contents_abt.html                       |  38 +-
 .../double_contents_inline/double_contents.html    |  38 +-
 .../double_contents_abt.html                       |  38 +-
 .../double_contents_abt.html                       |  38 +-
 .../double_contents_abt.html                       |  38 +-
 .../double_contents_nodes/double_contents_abt.html |  38 +-
 .../double_contents_abt.html                       |  38 +-
 .../contents/res_parser/no_content/no_content.html |  38 +-
 .../no_content_do_contents/no_content.html         |  38 +-
 .../no_content_do_contents_inline/no_content.html  |  38 +-
 .../res_parser/no_content_inline/no_content.html   |  38 +-
 .../no_content_setcatpage.html                     |  38 +-
 .../no_content_setcatpage.html                     |  38 +-
 .../no_content_setcatpage.html                     |  38 +-
 .../no_content_setcatpage.html                     |  38 +-
 .../documentlanguage_cmdline/documentlanguage.html |  42 +-
 .../os\303\251_utf8_abt.html"                      |  38 +-
 .../EPUB/xhtml/os\303\251_utf8_abt.xhtml"          |  42 +-
 .../res_parser/simplest_test_css/simplest.html     |  38 +-
 .../index_and_node_same_name.html                  |  42 +-
 .../index_entry_in_footnote.html                   |  42 +-
 .../index_no_node_no_top/index_no_node_no_top.html |  52 +--
 .../res_parser/index_nodes/index_nodes.html        |  16 +-
 .../res_parser/index_nodes_nodes/a-node.html       |   6 +-
 .../res_parser/index_nodes_nodes/first.html        |   4 +-
 .../res_parser/index_nodes_nodes/index.html        |   8 +-
 .../index_nodes_nodes/index_nodes_abt.html         |  38 +-
 .../res_parser/index_nodes_nodes/second.html       |   4 +-
 .../res_parser/index_one_node/index_one_node.html  |   4 +-
 .../res_parser/index_special_region/Chapter.html   |   4 +-
 .../index_special_region/Copying-and-indices.html  |   8 +-
 .../index_special_region_abt.html                  |  38 +-
 .../index_special_region_html/Chapter.html         |   4 +-
 .../Copying-and-indices.html                       |   8 +-
 .../index_special_region_html/index.html           |   4 +-
 .../index_special_region_abt.html                  |  38 +-
 .../Copying-and-indices.html                       |   6 +-
 .../index_special_region_no_insertcopying_abt.html |  38 +-
 .../Copying-and-indices.html                       |   6 +-
 .../index.html                                     |   4 +-
 .../index_special_region_no_insertcopying_abt.html |  38 +-
 .../Copying-and-indices.html                       |   6 +-
 .../index_special_region_no_region_abt.html        |  38 +-
 .../Copying-and-indices.html                       |   6 +-
 .../index_special_region_no_region_html/index.html |   4 +-
 .../index_special_region_no_region_abt.html        |  38 +-
 .../res_parser/index_table/index_table_abt.html    |  38 +-
 .../res_parser/index_table/indices-refs.html       |   4 +-
 .../index_table/node-with-printindex.html          |   8 +-
 .../indices_in_begin_tables_lists.html             |  46 +-
 .../chapter.html                                   |   4 +-
 .../index.html                                     |  22 +-
 .../nodes_before_top_and_sections_abt.html         |  38 +-
 .../chapter.html                                   |   4 +-
 .../first-before-top.html                          |   8 +-
 .../index.html                                     |  16 +-
 .../nodes_before_top_and_sections_abt.html         |  38 +-
 .../printindex_between_node_section.html           |  42 +-
 .../printindex_between_part_chapter.html           |  42 +-
 .../Copying-and-indices.html                       |   8 +-
 .../index_special_region_html/index.html           |   4 +-
 .../Copying-and-indices.html                       |   6 +-
 .../Copying-and-indices.html                       |   6 +-
 .../chapter.html                                   |   4 +-
 .../first-before-top.html                          |   8 +-
 .../index.html                                     |  16 +-
 .../chapter.html                                   |   4 +-
 .../first-before-top.html                          |   8 +-
 .../index.html                                     |  16 +-
 .../layout/res_parser/formatting/formatting.html   |  61 +--
 .../layout/res_parser/formatting_chm/chapter.html  |  12 +-
 .../layout/res_parser/formatting_chm/chapter2.html |   6 +-
 .../res_parser/formatting_chm/formatting_abt.html  |  42 +-
 .../formatting_enable_encoding/formatting.html     |  61 +--
 .../EPUB/xhtml/chapter.xhtml                       |  12 +-
 .../EPUB/xhtml/chapter2.xhtml                      |   6 +-
 .../EPUB/xhtml/formatting_abt.xhtml                |  42 +-
 .../EPUB/xhtml/chapter.xhtml                       |  12 +-
 .../EPUB/xhtml/chapter2.xhtml                      |   6 +-
 .../EPUB/xhtml/formatting_abt.xhtml                |  42 +-
 .../res_parser/formatting_exotic/chapter.html      | 436 +++++++++----------
 .../res_parser/formatting_exotic/chapter2.html     |   6 +-
 .../formatting_exotic/formatting_abt.html          |  38 +-
 .../res_parser/formatting_fr_icons/formatting.html |  61 +--
 .../res_parser/formatting_html/formatting.html     |  61 +--
 .../res_parser/formatting_html32/formatting.html   |  56 +--
 .../formatting_html_no_texi2html/formatting.html   |  16 +-
 .../res_parser/formatting_html_nodes/chapter.html  |  12 +-
 .../res_parser/formatting_html_nodes/chapter2.html |   6 +-
 .../formatting_html_nodes/formatting_abt.html      |  38 +-
 .../res_parser/formatting_html_nodes/index.html    |   3 +-
 .../s_002d_002dect_002cion.html                    |   5 +-
 .../formatting_inline_css/formatting.html          |  56 +--
 .../res_parser/formatting_mathjax/formatting.html  |  61 +--
 .../res_parser/formatting_nodes/chapter.html       |  12 +-
 .../res_parser/formatting_nodes/chapter2.html      |   6 +-
 .../formatting_nodes/formatting_abt.html           |  38 +-
 .../layout/res_parser/formatting_nodes/index.html  |   3 +-
 .../formatting_nodes/s_002d_002dect_002cion.html   |   5 +-
 .../formatting_numerical_entities/formatting.html  |  61 +--
 .../formatting_regions/formatting_regions.html     |  52 +--
 .../formatting_weird_quotes/formatting.html        |  61 +--
 .../res_parser/formatting_xhtml/formatting.html    |  61 +--
 .../navigation_abt.html                            |  38 +-
 .../no_monolithic_only_toc_out/no_monolithic.html  |  42 +-
 .../char_latin1_latin1_in_refs.html                |   4 +-
 .../char_latin1_utf8_in_refs.html                  |   4 +-
 .../no_master_menu_fr.html                         |   5 +-
 .../no_master_menu_no_documentlanguage.html        |   5 +-
 .../encod\303\251/tex_encod\303\251_utf8.html"     |  38 +-
 .../encod\303\251/tex_encod\303\251_utf8.html"     |  38 +-
 .../res_parser/nested_menu/nested_formats.html     | 469 +++++++++++----------
 .../sectioning_directions/sectioning.html          |  11 +-
 .../First-node.html                                |   3 +-
 .../sectioning_directions_split_chapter/index.html |   9 +-
 .../res_parser/formatting_singular/chapter.html    |  12 +-
 .../res_parser/formatting_singular/chapter2.html   |   6 +-
 .../res_parser/formatting_singular/index.htm       |   3 +-
 .../s_002d_002dect_002cion.html                    |   5 +-
 .../res_parser/formatting_singular/sing_abt.htm    |  42 +-
 .../res_parser/simplest_httex/simplest.html        |  38 +-
 .../tex_encode_latin1.html                         |  38 +-
 .../tex_encoded_latin1_l2h/tex_encode_latin1.html  |  38 +-
 .../tex_encod\303\251_utf8.html"                   |  38 +-
 .../tex_encod\303\251_utf8.html"                   |  38 +-
 .../res_parser/tex_in_copying/tex_in_copying.html  |  38 +-
 283 files changed, 3686 insertions(+), 3129 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index b468ccbac2..8b559eb1cc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2022-08-07  Patrice Dumas  <pertusus@free.fr>
+
+       Use CSS for horizontal alignement in table cells
+
+       * tp/Texinfo/Convert/HTML.pm (%css_element_class_styles)
+       (_convert_printindex_command, _convert_menu_comment_type)
+       (_convert_def_line_type, _default_format_special_body_about):
+       use CSS with classes for horizontal alignement for menu
+       commnet, printindex index entries header, @def* line in table
+       About table.
+
 2022-08-07  Patrice Dumas  <pertusus@free.fr>
 
        Use CSS for vertical alignement in table cells
diff --git a/tp/Texinfo/Convert/HTML.pm b/tp/Texinfo/Convert/HTML.pm
index 4773308d20..d380ce2a50 100644
--- a/tp/Texinfo/Convert/HTML.pm
+++ b/tp/Texinfo/Convert/HTML.pm
@@ -2092,10 +2092,17 @@ my %css_element_class_styles = (
      'h4.centerchap'      => 'text-align:center',
      'div.center'         => 'text-align:center',
      'blockquote.indentedblock' => 'margin-right: 0em',
-     'td.printindex-index-entry'   => 'vertical-align: top',
-     'td.printindex-index-section' => 'vertical-align: top',
-     'td.menu-entry-destination'   => 'vertical-align: top',
-     'td.menu-entry-description'   => 'vertical-align: top',
+     'td.printindex-index-entry'     => 'vertical-align: top',
+     'td.printindex-index-section'   => 'vertical-align: top',
+     'td.menu-entry-destination'     => 'vertical-align: top',
+     'td.menu-entry-description'     => 'vertical-align: top',
+     'th.entries-header-printindex'  => 'text-align:left',
+     'th.sections-header-printindex' => 'text-align:left',
+     'th.menu-comment'               => 'text-align:left',
+     'td.category-def'               => 'text-align:right',
+     'td.call-def'                   => 'text-align:left',
+     'td.button-direction-about'     => 'text-align:center',
+     'td.name-direction-about'       => 'text-align:center',
 
      # The anchor element is wrapped in a <span> rather than a block level
      # element to avoid it appearing unless the mouse pointer is directly
@@ -5147,12 +5154,15 @@ sub _convert_printindex_command($$$$)
   }
 
   # now format the index entries
-  $result .= $self->html_attribute_class('table', 
["$index_name-entries-$cmdname"])
-    ." border=\"0\">\n" . "<tr><td></td><th align=\"left\">"
+  $result
+   .= $self->html_attribute_class('table', ["$index_name-entries-$cmdname"])
+    ." border=\"0\">\n" . '<tr><td></td>'
+    . $self->html_attribute_class('th', ["entries-header-$cmdname"]).'>'
     . $self->convert_tree($self->gdt('Index Entry'))
-    . "</th><td>$non_breaking_space</td><th align=\"left\"> "
-    .  $self->convert_tree($self->gdt('Section'))
-    ."</th></tr>\n" . "<tr><td colspan=\"4\"> ".$self->get_conf('DEFAULT_RULE')
+    . "</th><td>$non_breaking_space</td>"
+    . $self->html_attribute_class('th', ["sections-header-$cmdname"]).'> '
+    . $self->convert_tree($self->gdt('Section')) . "</th></tr>\n"
+    . "<tr><td colspan=\"4\"> ".$self->get_conf('DEFAULT_RULE')
     ."</td></tr>\n";
   $result .= $result_index_entries;
   $result .= "</table>\n";
@@ -5825,8 +5835,8 @@ sub _convert_menu_comment_type($$$$)
   if ($self->_in_preformatted_in_menu() or $self->in_string()) {
     return $content;
   } else {
-    return "<tr><th colspan=\"3\" align=\"left\">".$content
-       ."</th></tr>";
+    return '<tr>'.$self->html_attribute_class('th', ['menu-comment'])
+      . ' colspan="3">'.$content .'</th></tr>';
   }
 }
 
@@ -6025,9 +6035,9 @@ sub _convert_def_line_type($$$$)
         if (defined($definition_category_tree));
   
     return $self->html_attribute_class('tr', \@classes)
-       . "$index_label><td align=\"left\">" . $def_call .
-       '</td>'.$self->html_attribute_class('td',  ['category-def'])
-       ." align=\"right\">" . '[' . $category_result . ']' . "</td></tr>\n";
+      . "$index_label>".$self->html_attribute_class('td', ['call-def']).'>'
+      . $def_call . '</td>'.$self->html_attribute_class('td', ['category-def'])
+      . '>' . '[' . $category_result . ']' . "</td></tr>\n";
   }
 }
 
@@ -8913,7 +8923,8 @@ EOT
     next if ($button eq ' ' or ref($button) eq 'CODE' or ref($button) eq 
'SCALAR'
               or ref($button) eq 'ARRAY');
     my $button_name = $self->get_conf('BUTTONS_NAME')->{$button};
-    $about .= "  <tr>\n    <td align=\"center\">";
+    $about .= "  <tr>\n    ".$self->html_attribute_class('td',
+                                             ['button-direction-about']) .'>';
     $about .=
       ($self->get_conf('ICONS') && $self->get_conf('ACTIVE_ICONS')->{$button} ?
        &{$self->formatting_function('format_button_icon_img')}($self,
@@ -8921,7 +8932,8 @@ EOT
            ' [' . $self->get_conf('BUTTONS_TEXT')->{$button} . '] ');
     $about .= "</td>\n";
     $about .=
-"    <td align=\"center\">".$button_name."</td>
+'    '.$self->html_attribute_class('td', ['name-direction-about']).'>'
+    .$button_name."</td>
     <td>".$self->get_conf('BUTTONS_GOTO')->{$button}."</td>
     <td>".$self->substitute_html_non_breaking_space(
                $self->get_conf('BUTTONS_EXAMPLE')->{$button})."</td>
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 134ebff18e..798e864b91 100644
--- a/tp/t/results/converters_tests/at_commands_in_raw.pl
+++ b/tp/t/results/converters_tests/at_commands_in_raw.pl
@@ -1449,7 +1449,7 @@ $result_converted{'html_text'}->{'at_commands_in_raw'} = 
'<div class="top-level-
 </p>
 <div class="printindex fn-printindex">
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-fentry2"><code>fentry2</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chap">chap</a></td></tr>
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 6b1fc6e036..a0d90f1fb6 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
@@ -1037,7 +1037,7 @@ 
$result_converted{'html_text'}->{'printindex_merged_indices_code_style'} = '<div
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-c_0060_0060b">c&ldquo;b</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chap">chap</a></td></tr>
diff --git a/tp/t/results/converters_tests/references_to_top_no_top_output.pl 
b/tp/t/results/converters_tests/references_to_top_no_top_output.pl
index 278e0ed5a1..7ee7e48b2c 100644
--- a/tp/t/results/converters_tests/references_to_top_no_top_output.pl
+++ b/tp/t/results/converters_tests/references_to_top_no_top_output.pl
@@ -1768,7 +1768,7 @@ see <a class="pxref" href="#a-in-paragraph-in-top">a in 
paragraph in top</a>
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-chap-index">chap index</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
diff --git 
a/tp/t/results/converters_tests/references_to_top_no_top_output/res_html/chapter.html
 
b/tp/t/results/converters_tests/references_to_top_no_top_output/res_html/chapter.html
index 89733974dc..0988725076 100644
--- 
a/tp/t/results/converters_tests/references_to_top_no_top_output/res_html/chapter.html
+++ 
b/tp/t/results/converters_tests/references_to_top_no_top_output/res_html/chapter.html
@@ -21,6 +21,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -47,7 +49,7 @@ see <a class="pxref" 
href="index.html#a-in-paragraph-in-top">a in paragraph in t
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-chap-index">chap index</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
diff --git a/tp/t/results/coverage/punctuation_in_line_commands.pl 
b/tp/t/results/coverage/punctuation_in_line_commands.pl
index 479117279c..5fc0cdf79c 100644
--- a/tp/t/results/coverage/punctuation_in_line_commands.pl
+++ b/tp/t/results/coverage/punctuation_in_line_commands.pl
@@ -1225,7 +1225,7 @@ 
$result_converted{'html_text'}->{'punctuation_in_line_commands'} = '
 </div>
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-index_0021-After-punc">index! After 
punc</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#node_0021-After-punc">node! After punc</a></td></tr>
diff --git a/tp/t/results/def/all_commands_delimiters_printindex.pl 
b/tp/t/results/def/all_commands_delimiters_printindex.pl
index 77275ffda8..4218ff32e0 100644
--- a/tp/t/results/def/all_commands_delimiters_printindex.pl
+++ b/tp/t/results/def/all_commands_delimiters_printindex.pl
@@ -16065,6 +16065,8 @@ a.summary-letter-printindex {text-decoration: none}
 span:hover a.copiable-link {visibility: visible}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -16282,7 +16284,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_fn_symbol-1">)</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0029expose-on-_0029Window"><code>)expose on 
)Window</code></a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
@@ -16361,7 +16363,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_tp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-A2-2"><code><var 
class="var">A2</var></code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -16391,7 +16393,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="vr-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_vr_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-A2-5"><code><var 
class="var">A2</var></code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/def/all_commands_printindex.pl 
b/tp/t/results/def/all_commands_printindex.pl
index 3ee297e235..09218f2537 100644
--- a/tp/t/results/def/all_commands_printindex.pl
+++ b/tp/t/results/def/all_commands_printindex.pl
@@ -5898,6 +5898,8 @@ a.summary-letter-printindex {text-decoration: none}
 span:hover a.copiable-link {visibility: visible}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -6049,7 +6051,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_fn_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-d_002d_002defmac_005fname"><code>d--efmac_name</code></a>:</td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -6080,7 +6082,7 @@ td.printindex-index-section {vertical-align: top}
 <h3 class="heading" id="Types">Types</h3>
 <div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-d_002d_002deftp_005fname"><code>d--eftp_name</code></a>:</td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -6091,7 +6093,7 @@ td.printindex-index-section {vertical-align: top}
 <h3 class="heading" id="Variables">Variables</h3>
 <div class="printindex vr-printindex">
 <table class="vr-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_vr_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-d_002d_002defcv_005fname"><code>d--efcv_name</code></a>:</td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top</a></td></tr>
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 c0bfd085b0..2c8c917aeb 100644
--- a/tp/t/results/def/space_in_def_for_index.pl
+++ b/tp/t/results/def/space_in_def_for_index.pl
@@ -547,6 +547,8 @@ a.summary-letter-printindex {text-decoration: none}
 span:hover a.copiable-link {visibility: visible}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -568,7 +570,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-AAA2"><code>AAA2</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/float/cindex_in_caption.pl 
b/tp/t/results/float/cindex_in_caption.pl
index 5a1625a377..0a00a12ad6 100644
--- a/tp/t/results/float/cindex_in_caption.pl
+++ b/tp/t/results/float/cindex_in_caption.pl
@@ -523,6 +523,8 @@ $result_converted{'html'}->{'cindex_in_caption'} = 
'<!DOCTYPE html>
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -545,7 +547,7 @@ td.printindex-index-section {vertical-align: top}
 </p></div></div>
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-index-entry">index entry</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/float/float_copying.pl 
b/tp/t/results/float/float_copying.pl
index a2bdec9d4f..0f78ea856f 100644
--- a/tp/t/results/float/float_copying.pl
+++ b/tp/t/results/float/float_copying.pl
@@ -1621,6 +1621,8 @@ the author abandon his copyright.
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -1688,7 +1690,7 @@ the author abandon his copyright.
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-floats_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-indexed-caption">indexed 
caption</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
@@ -1703,7 +1705,7 @@ the author abandon his copyright.
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-floats_fn_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-indexed-caption-function"><code>indexed caption 
function</code></a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
diff --git 
a/tp/t/results/formats_encodings/char_latin1_latin1_in_refs/res_html/a-e-i-o-u-y-A-E-I-O-U.html
 
b/tp/t/results/formats_encodings/char_latin1_latin1_in_refs/res_html/a-e-i-o-u-y-A-E-I-O-U.html
index d150b8e1b7..b520869473 100644
--- 
a/tp/t/results/formats_encodings/char_latin1_latin1_in_refs/res_html/a-e-i-o-u-y-A-E-I-O-U.html
+++ 
b/tp/t/results/formats_encodings/char_latin1_latin1_in_refs/res_html/a-e-i-o-u-y-A-E-I-O-U.html
@@ -21,6 +21,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -49,7 +51,7 @@ Next: <a href="e.html" accesskey="n" rel="next">
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th 
id="g_t_00e4-_00eb-_00ef-_00f6-_00fc-_00ff-_00c4-_00cb-_00cf-_00d6-_00dc_cp_letter-�">�</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="c.html#index-a-e-i-o-u-A-E-I-O-U">� � � � � � � � � 
�</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="c.html">�</a></td></tr>
diff --git 
a/tp/t/results/formats_encodings/char_latin1_utf8_in_refs/res_html/index.html 
b/tp/t/results/formats_encodings/char_latin1_utf8_in_refs/res_html/index.html
index 4b64b4e7cf..249bba5603 100644
--- 
a/tp/t/results/formats_encodings/char_latin1_utf8_in_refs/res_html/index.html
+++ 
b/tp/t/results/formats_encodings/char_latin1_utf8_in_refs/res_html/index.html
@@ -19,6 +19,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -49,7 +51,7 @@ Next: <a href="a-e-i-o-u-y-A-E-I-O-U.html" accesskey="n" 
rel="next">ä ë ï ö
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_letter-Â">Â</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="c.html#index-a-e-i-o-u-A-E-I-O-U">â ê î ô û Â Ê Î Ô 
Û</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="c.html">ç</a></td></tr>
diff --git 
a/tp/t/results/formats_encodings/char_latin2_latin2_in_refs/res_html/index.html 
b/tp/t/results/formats_encodings/char_latin2_latin2_in_refs/res_html/index.html
index c27a259f9e..79b929d9b2 100644
--- 
a/tp/t/results/formats_encodings/char_latin2_latin2_in_refs/res_html/index.html
+++ 
b/tp/t/results/formats_encodings/char_latin2_latin2_in_refs/res_html/index.html
@@ -19,6 +19,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -40,7 +42,7 @@ Next: <a href="A-a-_002c-E-e.html" accesskey="n" rel="next">
 </p>
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_letter-�">�</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="A-a-_002c-E-e.html#index-A-a-_002c-E-e">� � � � 
�</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="A-a-_002c-E-e.html">� � � � �</a></td></tr>
diff --git 
a/tp/t/results/formats_encodings/sample_utf8/res_html/Index-node.html 
b/tp/t/results/formats_encodings/sample_utf8/res_html/Index-node.html
index 50a480c4f2..b55fd5fdf4 100644
--- a/tp/t/results/formats_encodings/sample_utf8/res_html/Index-node.html
+++ b/tp/t/results/formats_encodings/sample_utf8/res_html/Index-node.html
@@ -25,6 +25,8 @@ Texinfo中文示例 -->
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -51,7 +53,7 @@ Previous: <a href="Second-Chapter-AE-AE-ae-ae.html" 
accesskey="p" rel="prev">Cha
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Index-node_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="DiYiZhang_0028First-Chapter_0029.html#index-chapter_002c-first">chapter, 
first</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="DiYiZhang_0028First-Chapter_0029.html">第一章(First Chapter)</a></td></tr>
diff --git 
a/tp/t/results/formatting/float_copying/res_html/Copying-and-floats.html 
b/tp/t/results/formatting/float_copying/res_html/Copying-and-floats.html
index 9418bb1979..8c90359f56 100644
--- a/tp/t/results/formatting/float_copying/res_html/Copying-and-floats.html
+++ b/tp/t/results/formatting/float_copying/res_html/Copying-and-floats.html
@@ -24,6 +24,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -96,7 +98,7 @@ the author abandon his copyright.
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-floats-1_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-indexed-caption">indexed 
caption</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html">Top</a></td></tr>
@@ -124,7 +126,7 @@ the author abandon his copyright.
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-floats-1_fn_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-indexed-caption-function"><code>indexed caption 
function</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html">Top</a></td></tr>
diff --git 
a/tp/t/results/formatting/float_copying/res_html/float_copying_abt.html 
b/tp/t/results/formatting/float_copying/res_html/float_copying_abt.html
index e89b4992e1..9f4bc7bd3a 100644
--- a/tp/t/results/formatting/float_copying/res_html/float_copying_abt.html
+++ b/tp/t/results/formatting/float_copying/res_html/float_copying_abt.html
@@ -21,6 +21,8 @@ the author abandon his copyright.
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -51,56 +53,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/formatting/texi_bib_example.pl 
b/tp/t/results/formatting/texi_bib_example.pl
index d3cb037191..a2182765c9 100644
--- a/tp/t/results/formatting/texi_bib_example.pl
+++ b/tp/t/results/formatting/texi_bib_example.pl
@@ -5615,8 +5615,11 @@ $result_converted{'html'}->{'texi_bib_example'} = 
'<!DOCTYPE html>
 h1.settitle {text-align:center}
 pre.menu-comment-preformatted {font-family: serif}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -5688,7 +5691,7 @@ td.menu-entry-destination {vertical-align: top}
 </td></tr>
 <tr><td class="menu-entry-destination"><a href="#References">2 
References</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 
@@ -5770,56 +5773,56 @@ Massachusetts, 1994.
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/formatting/texi_glossary.pl 
b/tp/t/results/formatting/texi_glossary.pl
index f65b245c0e..b1ec43156b 100644
--- a/tp/t/results/formatting/texi_glossary.pl
+++ b/tp/t/results/formatting/texi_glossary.pl
@@ -1587,8 +1587,10 @@ $result_converted{'html'}->{'texi_glossary'} = 
'<!DOCTYPE html>
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -1669,56 +1671,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
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 f7d0134fe7..18300e8cc6 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
@@ -275,6 +275,8 @@ $result_converted{'html'}->{'index_and_node_same_name'} = 
'<!DOCTYPE html>
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -289,7 +291,7 @@ td.printindex-index-section {vertical-align: top}
 <a class="index-entry-id" id="index-node-1"></a>
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="index-node_cp_letter-N">N</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-node-1">node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#index-node">index node</a></td></tr>
diff --git a/tp/t/results/html_tests/index_below.pl 
b/tp/t/results/html_tests/index_below.pl
index e58b886809..d6d48bc03b 100644
--- a/tp/t/results/html_tests/index_below.pl
+++ b/tp/t/results/html_tests/index_below.pl
@@ -517,6 +517,8 @@ $result_converted{'html'}->{'index_below'} = '<!DOCTYPE 
html>
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -556,7 +558,7 @@ td.printindex-index-section {vertical-align: top}
 <a class="index-entry-id" id="index-entry"></a>
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="sec_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-entry">entry</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#sec">1.1 sec</a></td></tr>
diff --git a/tp/t/results/htmlxref/htmlxref/res_html/test_refs.html 
b/tp/t/results/htmlxref/htmlxref/res_html/test_refs.html
index 1c406a5666..5dc76928e4 100644
--- a/tp/t/results/htmlxref/htmlxref/res_html/test_refs.html
+++ b/tp/t/results/htmlxref/htmlxref/res_html/test_refs.html
@@ -16,8 +16,10 @@
 <!--
 div.example {margin-left: 3.2em}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -172,56 +174,56 @@ split: ../doc/node.html#node
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/htmlxref/htmlxref_nodes/res_html/test_refs_abt.html 
b/tp/t/results/htmlxref/htmlxref_nodes/res_html/test_refs_abt.html
index 5e2dcd8945..e9a9d3f9a0 100644
--- a/tp/t/results/htmlxref/htmlxref_nodes/res_html/test_refs_abt.html
+++ b/tp/t/results/htmlxref/htmlxref_nodes/res_html/test_refs_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/htmlxref/htmlxref_only_mono/res_html/test_refs.html 
b/tp/t/results/htmlxref/htmlxref_only_mono/res_html/test_refs.html
index 1c406a5666..5dc76928e4 100644
--- a/tp/t/results/htmlxref/htmlxref_only_mono/res_html/test_refs.html
+++ b/tp/t/results/htmlxref/htmlxref_only_mono/res_html/test_refs.html
@@ -16,8 +16,10 @@
 <!--
 div.example {margin-left: 3.2em}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -172,56 +174,56 @@ split: ../doc/node.html#node
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/htmlxref/htmlxref_only_mono_nodes/res_html/test_refs_abt.html 
b/tp/t/results/htmlxref/htmlxref_only_mono_nodes/res_html/test_refs_abt.html
index 5e2dcd8945..e9a9d3f9a0 100644
--- a/tp/t/results/htmlxref/htmlxref_only_mono_nodes/res_html/test_refs_abt.html
+++ b/tp/t/results/htmlxref/htmlxref_only_mono_nodes/res_html/test_refs_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/htmlxref/htmlxref_only_split/res_html/test_refs.html 
b/tp/t/results/htmlxref/htmlxref_only_split/res_html/test_refs.html
index 0ab19b0ec4..509999603a 100644
--- a/tp/t/results/htmlxref/htmlxref_only_split/res_html/test_refs.html
+++ b/tp/t/results/htmlxref/htmlxref_only_split/res_html/test_refs.html
@@ -16,8 +16,10 @@
 <!--
 div.example {margin-left: 3.2em}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -172,56 +174,56 @@ split: ../doc/node.html#node
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/htmlxref/htmlxref_only_split_nodes/res_html/test_refs_abt.html 
b/tp/t/results/htmlxref/htmlxref_only_split_nodes/res_html/test_refs_abt.html
index 5e2dcd8945..e9a9d3f9a0 100644
--- 
a/tp/t/results/htmlxref/htmlxref_only_split_nodes/res_html/test_refs_abt.html
+++ 
b/tp/t/results/htmlxref/htmlxref_only_split_nodes/res_html/test_refs_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/indices/def_syn_indices.pl 
b/tp/t/results/indices/def_syn_indices.pl
index 0527b56846..ba3fab6121 100644
--- a/tp/t/results/indices/def_syn_indices.pl
+++ b/tp/t/results/indices/def_syn_indices.pl
@@ -2099,7 +2099,7 @@ after
  &nbsp; 
 </td></tr></table>
 <table class="pg-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_pg_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-abc-index-entry">abc index entry</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Chapter-index">Chapter 
index</a></td></tr>
@@ -2147,7 +2147,7 @@ after
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-cindex-entry"><code>cindex 
entry</code></a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Chapter-index">Chapter index</a></td></tr>
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 6ee593eab3..c5aa83e002 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
@@ -393,7 +393,7 @@ 
$result_converted{'html_text'}->{'default_cp_index_and_one_letter_syncodeindex'}
 
 <div class="printindex fn-printindex">
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002d_002dcindex"><code>--cindex</code></a>:</td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/double_index_entry.pl 
b/tp/t/results/indices/double_index_entry.pl
index e645480fef..211c5bd94a 100644
--- a/tp/t/results/indices/double_index_entry.pl
+++ b/tp/t/results/indices/double_index_entry.pl
@@ -690,7 +690,7 @@ $result_converted{'html_text'}->{'double_index_entry'} = 
'<a class="node-id" id=
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-aaa">aaa</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/double_syncodeindex.pl 
b/tp/t/results/indices/double_syncodeindex.pl
index 43084be2a9..8e3f294607 100644
--- a/tp/t/results/indices/double_syncodeindex.pl
+++ b/tp/t/results/indices/double_syncodeindex.pl
@@ -480,7 +480,7 @@ $result_converted{'html_text'}->{'double_syncodeindex'} = '
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-cindex-entry"><code>cindex 
entry</code></a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/encoding_index_ascii/res_html/index.html 
b/tp/t/results/indices/encoding_index_ascii/res_html/index.html
index ae84230c43..d55dd190c5 100644
--- a/tp/t/results/indices/encoding_index_ascii/res_html/index.html
+++ b/tp/t/results/indices/encoding_index_ascii/res_html/index.html
@@ -18,6 +18,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -161,7 +163,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_00a1">&iexcl;</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git 
a/tp/t/results/indices/encoding_index_ascii_enable_encoding/res_html/index.html 
b/tp/t/results/indices/encoding_index_ascii_enable_encoding/res_html/index.html
index ae84230c43..d55dd190c5 100644
--- 
a/tp/t/results/indices/encoding_index_ascii_enable_encoding/res_html/index.html
+++ 
b/tp/t/results/indices/encoding_index_ascii_enable_encoding/res_html/index.html
@@ -18,6 +18,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -161,7 +163,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_00a1">&iexcl;</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/encoding_index_latin1/res_html/index.html 
b/tp/t/results/indices/encoding_index_latin1/res_html/index.html
index b8640d8069..8a7ab191fc 100644
--- a/tp/t/results/indices/encoding_index_latin1/res_html/index.html
+++ b/tp/t/results/indices/encoding_index_latin1/res_html/index.html
@@ -18,6 +18,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -163,7 +165,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_00a1">&iexcl;</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git 
a/tp/t/results/indices/encoding_index_latin1_enable_encoding/res_html/index.html
 
b/tp/t/results/indices/encoding_index_latin1_enable_encoding/res_html/index.html
index 149c8f39ce..9f88f8a955 100644
--- 
a/tp/t/results/indices/encoding_index_latin1_enable_encoding/res_html/index.html
+++ 
b/tp/t/results/indices/encoding_index_latin1_enable_encoding/res_html/index.html
@@ -18,6 +18,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -177,7 +179,7 @@ td.printindex-index-section {vertical-align: top}
  � 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>�</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>�</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_201c">&ldquo;</a>:</td><td>�</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/encoding_index_utf8/res_html/index.html 
b/tp/t/results/indices/encoding_index_utf8/res_html/index.html
index bdf0d0c976..54e98404a5 100644
--- a/tp/t/results/indices/encoding_index_utf8/res_html/index.html
+++ b/tp/t/results/indices/encoding_index_utf8/res_html/index.html
@@ -18,6 +18,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -163,7 +165,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_00a1">&iexcl;</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git 
a/tp/t/results/indices/encoding_index_utf8_enable_encoding/res_html/index.html 
b/tp/t/results/indices/encoding_index_utf8_enable_encoding/res_html/index.html
index 9c6c67ef6b..229bde9832 100644
--- 
a/tp/t/results/indices/encoding_index_utf8_enable_encoding/res_html/index.html
+++ 
b/tp/t/results/indices/encoding_index_utf8_enable_encoding/res_html/index.html
@@ -18,6 +18,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -181,7 +183,7 @@ td.printindex-index-section {vertical-align: top}
    
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td> </td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index Entry</th><td> 
</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_201c">“</a>:</td><td> </td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/explicit_sort_key.pl 
b/tp/t/results/indices/explicit_sort_key.pl
index 14905ca5f5..e533385501 100644
--- a/tp/t/results/indices/explicit_sort_key.pl
+++ b/tp/t/results/indices/explicit_sort_key.pl
@@ -1037,7 +1037,7 @@ $result_converted{'html_text'}->{'explicit_sort_key'} = 
'<div class="top-level-e
  &nbsp; 
 </td></tr></table>
 <table class="SK-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_SK_symbol-1">0</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-zero-sort-key">zero sort key</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/ftable_vtable.pl 
b/tp/t/results/indices/ftable_vtable.pl
index 15b80f91b7..dc401441b5 100644
--- a/tp/t/results/indices/ftable_vtable.pl
+++ b/tp/t/results/indices/ftable_vtable.pl
@@ -967,7 +967,7 @@ $result_converted{'html_text'}->{'ftable_vtable'} = '<h1 
class="node" id="Top">T
 
 <div class="printindex fn-printindex">
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-fun3"><code>fun3</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -980,7 +980,7 @@ $result_converted{'html_text'}->{'ftable_vtable'} = '<h1 
class="node" id="Top">T
 
 <div class="printindex vr-printindex">
 <table class="vr-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_vr_letter-V">V</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-var1-error_002d_002d_003e"><code>var1 
error&rarr;</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/image_lines_count.pl 
b/tp/t/results/indices/image_lines_count.pl
index b0b869891f..a2dd1cbe9e 100644
--- a/tp/t/results/indices/image_lines_count.pl
+++ b/tp/t/results/indices/image_lines_count.pl
@@ -311,7 +311,7 @@ $result_converted{'html_text'}->{'image_lines_count'} = 
'<h1 class="node" id="To
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-index-entry">index entry</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/image_text_lines_count.pl 
b/tp/t/results/indices/image_text_lines_count.pl
index 9c20802113..852ccfeeee 100644
--- a/tp/t/results/indices/image_text_lines_count.pl
+++ b/tp/t/results/indices/image_text_lines_count.pl
@@ -310,7 +310,7 @@ $result_converted{'html_text'}->{'image_text_lines_count'} 
= '<h1 class="node" i
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-index-entry">index entry</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/index_entries_locations.pl 
b/tp/t/results/indices/index_entries_locations.pl
index 76b1865bbf..85d7a33b20 100644
--- a/tp/t/results/indices/index_entries_locations.pl
+++ b/tp/t/results/indices/index_entries_locations.pl
@@ -585,7 +585,7 @@ end paragraph.
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-entry-at-end-of-paragraph_002e">entry at end of 
paragraph.</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
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 e31a3286a1..9f0f802850 100644
--- a/tp/t/results/indices/index_entry_before_first_node.pl
+++ b/tp/t/results/indices/index_entry_before_first_node.pl
@@ -296,7 +296,7 @@ 
$result_converted{'html_text'}->{'index_entry_before_first_node'} = '<a class="i
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-B">B</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-before-nodes">before nodes</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/index_entry_before_node.pl 
b/tp/t/results/indices/index_entry_before_node.pl
index a2a9900121..7589fcd26a 100644
--- a/tp/t/results/indices/index_entry_before_node.pl
+++ b/tp/t/results/indices/index_entry_before_node.pl
@@ -786,7 +786,7 @@ $result_converted{'html_text'}->{'index_entry_before_node'} 
= '<a class="node-id
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-L">L</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-lone-entry">lone entry</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
diff --git a/tp/t/results/indices/index_entry_in_footnote.pl 
b/tp/t/results/indices/index_entry_in_footnote.pl
index 1e74da6431..b1f7fe0a92 100644
--- a/tp/t/results/indices/index_entry_in_footnote.pl
+++ b/tp/t/results/indices/index_entry_in_footnote.pl
@@ -314,7 +314,7 @@ $result_converted{'html_text'}->{'index_entry_in_footnote'} 
= '<h1 class="node"
 </p>
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-index-entry-in-footnote">index entry in 
footnote</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
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 d175085bcb..13dbeb9232 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
@@ -685,7 +685,7 @@ 
$result_converted{'html_text'}->{'index_entry_in_footnote_different_node_end'} =
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-counting-entry">counting entry</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
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 c9501968fa..bee8392acc 100644
--- a/tp/t/results/indices/index_entry_in_footnote_separate.pl
+++ b/tp/t/results/indices/index_entry_in_footnote_separate.pl
@@ -721,7 +721,7 @@ 
$result_converted{'html_text'}->{'index_entry_in_footnote_separate'} = '<a class
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-counting-entry">counting entry</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
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 7e8a984a0b..ef5f418481 100644
--- a/tp/t/results/indices/printindex_index_entry_in_copying.pl
+++ b/tp/t/results/indices/printindex_index_entry_in_copying.pl
@@ -1449,7 +1449,7 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying'} = '
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-Copying-this-document"><code>Copying this 
document</code></a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
@@ -1508,7 +1508,7 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying'} = '
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-Copying-this-document"><code>Copying this 
document</code></a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
@@ -1541,7 +1541,7 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying'} = '
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-Copying-this-document"><code>Copying this 
document</code></a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
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 fca2dd8ee9..a0c1d7f31d 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
@@ -910,7 +910,7 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying_in_footnote'
 </p>
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-Copying-this-document">Copying this 
document</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
@@ -936,7 +936,7 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying_in_footnote'
 </p>
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-Copying-this-document">Copying this 
document</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
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 0c21e0360e..35d28993a8 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
@@ -1337,7 +1337,7 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying_no_insertcop
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-Copying-this-document"><code>Copying this 
document</code></a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/printindex_with_space_before.pl 
b/tp/t/results/indices/printindex_with_space_before.pl
index b96c033728..d18b6a8b4a 100644
--- a/tp/t/results/indices/printindex_with_space_before.pl
+++ b/tp/t/results/indices/printindex_with_space_before.pl
@@ -267,7 +267,7 @@ 
$result_converted{'html_text'}->{'printindex_with_space_before'} = '<h1 class="n
 <p>Text.
 </p><div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-index">index</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
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 fb69bb4a29..55fe7653ec 100644
--- a/tp/t/results/indices/same_index_entry_merged_indices.pl
+++ b/tp/t/results/indices/same_index_entry_merged_indices.pl
@@ -771,7 +771,7 @@ 
$result_converted{'html_text'}->{'same_index_entry_merged_indices'} = '
 
 <div class="printindex fn-printindex">
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-M">M</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-mmm_002dmode"><code>mmm-mode</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/seealso_duplicate.pl 
b/tp/t/results/indices/seealso_duplicate.pl
index 05261998a0..15a2338bed 100644
--- a/tp/t/results/indices/seealso_duplicate.pl
+++ b/tp/t/results/indices/seealso_duplicate.pl
@@ -464,7 +464,7 @@ $result_converted{'html_text'}->{'seealso_duplicate'} = 
'<h1 class="node" id="To
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a href="#index-awk"><code 
class="command">awk</code>, POSIX and</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/subentries.pl 
b/tp/t/results/indices/subentries.pl
index 195ad13be6..c8954a663f 100644
--- a/tp/t/results/indices/subentries.pl
+++ b/tp/t/results/indices/subentries.pl
@@ -1375,7 +1375,7 @@ $result_converted{'html_text'}->{'subentries'} = '
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a_002d_002d_002da">a&mdash;a</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter-index">chapter 
index</a></td></tr>
@@ -1402,7 +1402,7 @@ $result_converted{'html_text'}->{'subentries'} = '
 </div>
 <div class="printindex fn-printindex">
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-f_002d_002d_002daa"><code>f---aa</code></a>:</td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#chapter-index">chapter 
index</a></td></tr>
diff --git a/tp/t/results/indices/subentry_and_sortas.pl 
b/tp/t/results/indices/subentry_and_sortas.pl
index 22e199da50..978855a4d6 100644
--- a/tp/t/results/indices/subentry_and_sortas.pl
+++ b/tp/t/results/indices/subentry_and_sortas.pl
@@ -783,6 +783,8 @@ $result_converted{'html'}->{'subentry_and_sortas'} = 
'<!DOCTYPE html>
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -814,7 +816,7 @@ Next: <a href="#chapter-index" accesskey="n" 
rel="next">Index</a> &nbsp; [<a hre
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-index_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a href="#index-aaa">aaa, 
bbb</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter-index">chapter index</a></td></tr>
@@ -823,7 +825,7 @@ Next: <a href="#chapter-index" accesskey="n" 
rel="next">Index</a> &nbsp; [<a hre
 </div>
 <div class="printindex fn-printindex">
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-index_fn_letter-X">X</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-xxx"><code>xxx, zzz</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter-index">chapter 
index</a></td></tr>
@@ -928,7 +930,7 @@ $result_converted{'html_text'}->{'subentry_and_sortas'} = '
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a href="#index-aaa">aaa, 
bbb</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter-index">chapter index</a></td></tr>
@@ -937,7 +939,7 @@ $result_converted{'html_text'}->{'subentry_and_sortas'} = '
 </div>
 <div class="printindex fn-printindex">
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-X">X</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-xxx"><code>xxx, zzz</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter-index">chapter 
index</a></td></tr>
diff --git a/tp/t/results/indices/syncode_index_print_both.pl 
b/tp/t/results/indices/syncode_index_print_both.pl
index da1a23b00f..a78e99975e 100644
--- a/tp/t/results/indices/syncode_index_print_both.pl
+++ b/tp/t/results/indices/syncode_index_print_both.pl
@@ -815,7 +815,7 @@ 
$result_converted{'html_text'}->{'syncode_index_print_both'} = '
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-c_002d_002d_002doncept">c&mdash;oncept</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter-index">chapter 
index</a></td></tr>
diff --git a/tp/t/results/indices/syncodeindex_to_plain.pl 
b/tp/t/results/indices/syncodeindex_to_plain.pl
index 098ef918e8..7ae749cb27 100644
--- a/tp/t/results/indices/syncodeindex_to_plain.pl
+++ b/tp/t/results/indices/syncodeindex_to_plain.pl
@@ -539,7 +539,7 @@ $result_converted{'html_text'}->{'syncodeindex_to_plain'} = 
'
 <p>cp index.
 </p><div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002d_002dk1"><code>--k1</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -551,7 +551,7 @@ $result_converted{'html_text'}->{'syncodeindex_to_plain'} = 
'
 <p>vr index.
 </p><div class="printindex vr-printindex">
 <table class="vr-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_vr_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002d_002dv"><code>--v</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/transparent_sort_chars.pl 
b/tp/t/results/indices/transparent_sort_chars.pl
index f0cb7d34ee..cbb52be0c0 100644
--- a/tp/t/results/indices/transparent_sort_chars.pl
+++ b/tp/t/results/indices/transparent_sort_chars.pl
@@ -508,7 +508,7 @@ $result_converted{'html_text'}->{'transparent_sort_chars'} 
= '
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Semantic-markup">Semantic markup</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/indices/w_lines_count.pl 
b/tp/t/results/indices/w_lines_count.pl
index 2a47b86a24..ce7975eb48 100644
--- a/tp/t/results/indices/w_lines_count.pl
+++ b/tp/t/results/indices/w_lines_count.pl
@@ -463,7 +463,7 @@ $result_converted{'html_text'}->{'w_lines_count'} = '<div 
class="top-level-exten
 </p>
 <div class="printindex fn-printindex">
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-compilation_002dnext_002derror"><code>compilation-next-error</code></a>:</td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git a/tp/t/results/languages/multiple.pl 
b/tp/t/results/languages/multiple.pl
index 85c3876363..860ca5bc23 100644
--- a/tp/t/results/languages/multiple.pl
+++ b/tp/t/results/languages/multiple.pl
@@ -1431,6 +1431,8 @@ a.summary-letter-printindex {text-decoration: none}
 span:hover a.copiable-link {visibility: visible}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -1487,7 +1489,7 @@ Pr&eacute;c&eacute;dent: <a href="#Top" accesskey="p" 
rel="prev">top</a>, Monter
  &nbsp; 
 </td></tr></table>
 <table class="vr-entries-printindex" border="0">
-<tr><td></td><th align="left">Stavka indeksa</th><td>&nbsp;</td><th 
align="left"> Odlomak</th></tr>
+<tr><td></td><th class="entries-header-printindex">Stavka 
indeksa</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Odlomak</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chap_vr_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-a-of-copying"><code>a de 
copying</code></a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chap">chap</a></td></tr>
diff --git 
a/tp/t/results/languages/multiple_lang_chapters_texi2html/res_html/multiple_lang_chapters.html
 
b/tp/t/results/languages/multiple_lang_chapters_texi2html/res_html/multiple_lang_chapters.html
index 4f5998b998..8a65fe6892 100644
--- 
a/tp/t/results/languages/multiple_lang_chapters_texi2html/res_html/multiple_lang_chapters.html
+++ 
b/tp/t/results/languages/multiple_lang_chapters_texi2html/res_html/multiple_lang_chapters.html
@@ -16,8 +16,10 @@
 a.copiable-link {visibility: hidden; text-decoration: none; line-height: 0em}
 span.program-in-footer {font-size: smaller}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -191,56 +193,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> De 1.2.3 v&aacute; para</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">Voltar R&aacute;pido</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">Voltar R&aacute;pido</td>
     <td>Come&ccedil;o desse cap&iacute;tulo ou cap&iacute;tulo anterior</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Volta</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Volta</td>
     <td>Se&ccedil;&atilde;o anterior na ordem de leitura</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Acima ] </td>
-    <td align="center">Acima</td>
+    <td class="button-direction-about"> [ Acima ] </td>
+    <td class="name-direction-about">Acima</td>
     <td>Se&ccedil;&atilde;o acima</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Avan&ccedil;ar</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Avan&ccedil;ar</td>
     <td>Pr&oacute;xima se&ccedil;&atilde;o na ordem de leitura</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">Avan&ccedil;ar R&aacute;pido</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">Avan&ccedil;ar R&aacute;pido</td>
     <td>Pr&oacute;ximo cap&iacute;tulo</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Topo] </td>
-    <td align="center">Topo</td>
+    <td class="button-direction-about"> [Topo] </td>
+    <td class="name-direction-about">Topo</td>
     <td>In&iacute;cio (topo) do documento</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Conte&uacute;do] </td>
-    <td align="center">Conte&uacute;do</td>
+    <td class="button-direction-about"> [Conte&uacute;do] </td>
+    <td class="name-direction-about">Conte&uacute;do</td>
     <td>Sum&aacute;rio</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [&Iacute;ndice] </td>
-    <td align="center">&Iacute;ndice</td>
+    <td class="button-direction-about"> [&Iacute;ndice] </td>
+    <td class="name-direction-about">&Iacute;ndice</td>
     <td>&Iacute;ndice</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">Sobre</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">Sobre</td>
     <td>Sobre (ajuda)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/layout/navigation/res_html/navigation.html 
b/tp/t/results/layout/navigation/res_html/navigation.html
index 07c6f45ee6..53f2608e10 100644
--- a/tp/t/results/layout/navigation/res_html/navigation.html
+++ b/tp/t/results/layout/navigation/res_html/navigation.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -187,56 +189,56 @@ b b b b b b b b b b b b b b b b  b b b b b bb b b b b b b 
 bb  b bb.
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_chapter/res_html/navigation_abt.html 
b/tp/t/results/layout/navigation_chapter/res_html/navigation_abt.html
index 6293825541..d6c64e3f9e 100644
--- a/tp/t/results/layout/navigation_chapter/res_html/navigation_abt.html
+++ b/tp/t/results/layout/navigation_chapter/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_chapter_no_header/res_html/navigation_abt.html 
b/tp/t/results/layout/navigation_chapter_no_header/res_html/navigation_abt.html
index 6293825541..d6c64e3f9e 100644
--- 
a/tp/t/results/layout/navigation_chapter_no_header/res_html/navigation_abt.html
+++ 
b/tp/t/results/layout/navigation_chapter_no_header/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_chapter_no_header_vertical/res_html/navigation_abt.html
 
b/tp/t/results/layout/navigation_chapter_no_header_vertical/res_html/navigation_abt.html
index cf6a04a907..e903234fc2 100644
--- 
a/tp/t/results/layout/navigation_chapter_no_header_vertical/res_html/navigation_abt.html
+++ 
b/tp/t/results/layout/navigation_chapter_no_header_vertical/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -58,56 +60,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_chapter_vertical/res_html/navigation_abt.html 
b/tp/t/results/layout/navigation_chapter_vertical/res_html/navigation_abt.html
index cf6a04a907..e903234fc2 100644
--- 
a/tp/t/results/layout/navigation_chapter_vertical/res_html/navigation_abt.html
+++ 
b/tp/t/results/layout/navigation_chapter_vertical/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -58,56 +60,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/layout/navigation_node/res_html/navigation_abt.html 
b/tp/t/results/layout/navigation_node/res_html/navigation_abt.html
index bad99f5f2c..66abbb6794 100644
--- a/tp/t/results/layout/navigation_node/res_html/navigation_abt.html
+++ b/tp/t/results/layout/navigation_node/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_node_no_header/res_html/navigation_abt.html 
b/tp/t/results/layout/navigation_node_no_header/res_html/navigation_abt.html
index 718c641cb1..40d446e85a 100644
--- a/tp/t/results/layout/navigation_node_no_header/res_html/navigation_abt.html
+++ b/tp/t/results/layout/navigation_node_no_header/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_node_no_header_vertical/res_html/navigation_abt.html
 
b/tp/t/results/layout/navigation_node_no_header_vertical/res_html/navigation_abt.html
index 97e8c6f88e..309fd85e2b 100644
--- 
a/tp/t/results/layout/navigation_node_no_header_vertical/res_html/navigation_abt.html
+++ 
b/tp/t/results/layout/navigation_node_no_header_vertical/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -58,56 +60,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_node_vertical/res_html/navigation_abt.html 
b/tp/t/results/layout/navigation_node_vertical/res_html/navigation_abt.html
index cf6a04a907..e903234fc2 100644
--- a/tp/t/results/layout/navigation_node_vertical/res_html/navigation_abt.html
+++ b/tp/t/results/layout/navigation_node_vertical/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -58,56 +60,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_section/res_html/navigation_abt.html 
b/tp/t/results/layout/navigation_section/res_html/navigation_abt.html
index 6293825541..d6c64e3f9e 100644
--- a/tp/t/results/layout/navigation_section/res_html/navigation_abt.html
+++ b/tp/t/results/layout/navigation_section/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_section_no_header/res_html/navigation_abt.html 
b/tp/t/results/layout/navigation_section_no_header/res_html/navigation_abt.html
index 6293825541..d6c64e3f9e 100644
--- 
a/tp/t/results/layout/navigation_section_no_header/res_html/navigation_abt.html
+++ 
b/tp/t/results/layout/navigation_section_no_header/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_section_no_header_vertical/res_html/navigation_abt.html
 
b/tp/t/results/layout/navigation_section_no_header_vertical/res_html/navigation_abt.html
index cf6a04a907..e903234fc2 100644
--- 
a/tp/t/results/layout/navigation_section_no_header_vertical/res_html/navigation_abt.html
+++ 
b/tp/t/results/layout/navigation_section_no_header_vertical/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -58,56 +60,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/layout/navigation_section_vertical/res_html/navigation_abt.html 
b/tp/t/results/layout/navigation_section_vertical/res_html/navigation_abt.html
index cf6a04a907..e903234fc2 100644
--- 
a/tp/t/results/layout/navigation_section_vertical/res_html/navigation_abt.html
+++ 
b/tp/t/results/layout/navigation_section_vertical/res_html/navigation_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -58,56 +60,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/layout/navigation_vertical/res_html/navigation.html 
b/tp/t/results/layout/navigation_vertical/res_html/navigation.html
index 691cd417d6..b96ce1b161 100644
--- a/tp/t/results/layout/navigation_vertical/res_html/navigation.html
+++ b/tp/t/results/layout/navigation_vertical/res_html/navigation.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -270,56 +272,56 @@ b b b b b b b b b b b b b b b b  b b b b b bb b b b b b b 
 bb  b bb.
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/layout/no_monolithic/res_html/no_monolithic.html 
b/tp/t/results/layout/no_monolithic/res_html/no_monolithic.html
index f0ca3d9dd0..1f5125fd36 100644
--- a/tp/t/results/layout/no_monolithic/res_html/no_monolithic.html
+++ b/tp/t/results/layout/no_monolithic/res_html/no_monolithic.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -72,7 +74,7 @@ td.printindex-index-section {vertical-align: top}
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Chapter_cp_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-top">top</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Not monolithic</a></td></tr>
diff --git a/tp/t/results/layout/no_monolithic/res_html/no_monolithic_abt.html 
b/tp/t/results/layout/no_monolithic/res_html/no_monolithic_abt.html
index 642ad5dd35..b771d51669 100644
--- a/tp/t/results/layout/no_monolithic/res_html/no_monolithic_abt.html
+++ b/tp/t/results/layout/no_monolithic/res_html/no_monolithic_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/menu/dash_in_menu.pl 
b/tp/t/results/menu/dash_in_menu.pl
index aeb60c2eb7..9e80127552 100644
--- a/tp/t/results/menu/dash_in_menu.pl
+++ b/tp/t/results/menu/dash_in_menu.pl
@@ -266,6 +266,7 @@ $result_converted{'html'}->{'dash_in_menu'} = '<!DOCTYPE 
html>
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -277,7 +278,7 @@ td.menu-entry-destination {vertical-align: top}
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination">&bull; <a 
href="manual.html#n_002d_002d_002dode" 
accesskey="1">entry&mdash;in</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">description &mdash; in.
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 comment &mdash; in.
 </pre></th></tr></table>
diff --git a/tp/t/results/menu/detailmenu.pl b/tp/t/results/menu/detailmenu.pl
index 2932808726..64cf665a20 100644
--- a/tp/t/results/menu/detailmenu.pl
+++ b/tp/t/results/menu/detailmenu.pl
@@ -350,6 +350,7 @@ $result_converted{'html'}->{'detailmenu'} = '<!DOCTYPE html>
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -361,7 +362,7 @@ td.menu-entry-destination {vertical-align: top}
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination">&bull; Copying 
Conditions:</td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">Your 
rights.
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; 
detailmenu:</td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
diff --git a/tp/t/results/menu/detailmenu_on_subnodes.pl 
b/tp/t/results/menu/detailmenu_on_subnodes.pl
index 3096ba2065..7c7bfa3b7c 100644
--- a/tp/t/results/menu/detailmenu_on_subnodes.pl
+++ b/tp/t/results/menu/detailmenu_on_subnodes.pl
@@ -1931,6 +1931,7 @@ $result_converted{'html'}->{'detailmenu_on_subnodes'} = 
'<!DOCTYPE html>
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -1950,13 +1951,13 @@ Next: <a href="#chapter" accesskey="n" 
rel="next">chapter</a> &nbsp; </p>
 </td></tr>
 <tr><td class="menu-entry-destination">&bull; <a href="#chapter-2" 
accesskey="2">chapter 2</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="#section" accesskey="3">section</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">Chap 2
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">Chap 2
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="#section-chap-2" accesskey="4">section chap 
2</a>:</td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
diff --git a/tp/t/results/menu/entry_after_detailmenu.pl 
b/tp/t/results/menu/entry_after_detailmenu.pl
index d1e7823d03..ad58a23315 100644
--- a/tp/t/results/menu/entry_after_detailmenu.pl
+++ b/tp/t/results/menu/entry_after_detailmenu.pl
@@ -825,6 +825,7 @@ $result_converted{'html'}->{'entry_after_detailmenu'} = 
'<!DOCTYPE html>
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -841,13 +842,13 @@ Next: <a href="#first" accesskey="n" rel="next">first</a> 
&nbsp; </p>
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination">&bull; <a href="#second" 
accesskey="1">second</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a href="#first" 
accesskey="2">first</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="#second" accesskey="3">second</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
diff --git a/tp/t/results/menu/example_in_menu_comment.pl 
b/tp/t/results/menu/example_in_menu_comment.pl
index 9569351dd8..84f55eafab 100644
--- a/tp/t/results/menu/example_in_menu_comment.pl
+++ b/tp/t/results/menu/example_in_menu_comment.pl
@@ -343,6 +343,7 @@ div.example {margin-left: 3.2em}
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -353,7 +354,7 @@ td.menu-entry-destination {vertical-align: top}
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination">&bull; 
entry:</td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><div class="example">
 <pre class="example-preformatted">in 
diff --git a/tp/t/results/menu/example_in_menu_description.pl 
b/tp/t/results/menu/example_in_menu_description.pl
index 962207b325..006fa07022 100644
--- a/tp/t/results/menu/example_in_menu_description.pl
+++ b/tp/t/results/menu/example_in_menu_description.pl
@@ -485,6 +485,7 @@ div.example {margin-left: 3.2em}
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -503,7 +504,7 @@ td.menu-entry-destination {vertical-align: top}
 example
 </pre></div>
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 </div>
diff --git a/tp/t/results/menu/formats_in_menu.pl 
b/tp/t/results/menu/formats_in_menu.pl
index 3164319047..062d230383 100644
--- a/tp/t/results/menu/formats_in_menu.pl
+++ b/tp/t/results/menu/formats_in_menu.pl
@@ -1022,6 +1022,7 @@ pre.menu-comment-preformatted {font-family: serif}
 pre.menu-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -1039,7 +1040,7 @@ td.menu-entry-destination {vertical-align: top}
 </pre></dd>
 </dl>
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="info.html#Top" accesskey="2">(info)</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 <pre class="verbatim">some @ verb{x atim
@@ -1053,7 +1054,7 @@ Log$
 <tr><td class="menu-entry-destination">&bull; <a href="truc.html#Top" 
accesskey="4">(truc)</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"><abbr class="acronym">description
 * acronym::</abbr>
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><div class="example">
 <pre class="example-preformatted">* subsubsection::
diff --git a/tp/t/results/menu/inlineraw_in_menu_description.pl 
b/tp/t/results/menu/inlineraw_in_menu_description.pl
index d338be090f..e984868492 100644
--- a/tp/t/results/menu/inlineraw_in_menu_description.pl
+++ b/tp/t/results/menu/inlineraw_in_menu_description.pl
@@ -455,6 +455,7 @@ 
$result_converted{'html'}->{'inlineraw_in_menu_description'} = '<!DOCTYPE html>
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -471,7 +472,7 @@ in inline raw
 
 end inlineraw
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 </div>
diff --git a/tp/t/results/menu/menu_entry_no_entry.pl 
b/tp/t/results/menu/menu_entry_no_entry.pl
index 1452dbffc3..41d4dbf927 100644
--- a/tp/t/results/menu/menu_entry_no_entry.pl
+++ b/tp/t/results/menu/menu_entry_no_entry.pl
@@ -293,6 +293,7 @@ $result_converted{'html'}->{'menu_entry_no_entry'} = 
'<!DOCTYPE html>
 <style type="text/css">
 <!--
 pre.menu-comment-preformatted {font-family: serif}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -301,7 +302,7 @@ pre.menu-comment-preformatted {font-family: serif}
 
 <body lang="en">
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">* a1:
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">* a1:
 * a2:  
 * a1c:* a2c:  * a4<b class="b">a</b>: 
 * a5<b class="b">b</b>: </pre></th></tr></table>
diff --git a/tp/t/results/menu/menu_title_before_entries.pl 
b/tp/t/results/menu/menu_title_before_entries.pl
index 9430364d18..3c17ab57c6 100644
--- a/tp/t/results/menu/menu_title_before_entries.pl
+++ b/tp/t/results/menu/menu_title_before_entries.pl
@@ -373,6 +373,7 @@ $result_converted{'html'}->{'menu_title_before_entries'} = 
'<!DOCTYPE html>
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -387,7 +388,7 @@ Next: <a href="#subnode" accesskey="n" 
rel="next">subnode</a> &nbsp; </p>
 <h1 class="node">Top</h1>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">Horizontal space
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">Horizontal space
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="#subnode" accesskey="1">subnode</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
 </table>
diff --git a/tp/t/results/menu/missing_detailmenu_on_subnodes.pl 
b/tp/t/results/menu/missing_detailmenu_on_subnodes.pl
index 9e732df4ea..c4b433cd1b 100644
--- a/tp/t/results/menu/missing_detailmenu_on_subnodes.pl
+++ b/tp/t/results/menu/missing_detailmenu_on_subnodes.pl
@@ -1812,6 +1812,7 @@ 
$result_converted{'html'}->{'missing_detailmenu_on_subnodes'} = '<!DOCTYPE html>
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -1831,11 +1832,11 @@ Next: <a href="#chapter" accesskey="n" 
rel="next">chapter</a> &nbsp; </p>
 </td></tr>
 <tr><td class="menu-entry-destination">&bull; <a href="#chapter-2" 
accesskey="2">chapter 2</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="#section" accesskey="3">section</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Chap 2
 
diff --git a/tp/t/results/menu/no_colon_in_menu.pl 
b/tp/t/results/menu/no_colon_in_menu.pl
index 74195069e4..af8ed83b3e 100644
--- a/tp/t/results/menu/no_colon_in_menu.pl
+++ b/tp/t/results/menu/no_colon_in_menu.pl
@@ -213,6 +213,7 @@ $result_converted{'html'}->{'no_colon_in_menu'} = 
'<!DOCTYPE html>
 <style type="text/css">
 <!--
 pre.menu-comment-preformatted {font-family: serif}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -223,7 +224,7 @@ pre.menu-comment-preformatted {font-family: serif}
 <h1 class="node" id="Top">Top</h1>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">* a
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">* a
 </pre></th></tr></table>
 
 
diff --git a/tp/t/results/menu/sc_in_menu.pl b/tp/t/results/menu/sc_in_menu.pl
index 12fc335ea2..ec4352de07 100644
--- a/tp/t/results/menu/sc_in_menu.pl
+++ b/tp/t/results/menu/sc_in_menu.pl
@@ -1136,6 +1136,7 @@ pre.menu-entry-description-preformatted {font-family: 
serif; display: inline}
 pre.menu-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -1153,7 +1154,7 @@ Next: <a href="#NODE" accesskey="n" rel="next"><small 
class="sc">NODE</small></a
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination">&bull; <a href="#NODE" 
accesskey="1"><small class="sc">VALUE</small></a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"><small class="sc">DESCRIP TION</small>
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 <span class="sc">MENU COMMENT</span>
 
diff --git a/tp/t/results/menu/simple.pl b/tp/t/results/menu/simple.pl
index 3f0262cf76..aeca2baa18 100644
--- a/tp/t/results/menu/simple.pl
+++ b/tp/t/results/menu/simple.pl
@@ -648,6 +648,7 @@ $result_converted{'html'}->{'simple'} = '<!DOCTYPE html>
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -659,7 +660,7 @@ td.menu-entry-destination {vertical-align: top}
 <p>Before menu.
 </p>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">comment
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">comment
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; menu entry name 
:</td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">description
 </td></tr>
 <tr><td class="menu-entry-destination">&bull; node 
name:</td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">description 
new
@@ -670,7 +671,7 @@ td.menu-entry-destination {vertical-align: top}
                  description next line
                  still description
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 new comment
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; last node entry 
:</td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
diff --git a/tp/t/results/menu/verb_in_menu_description.pl 
b/tp/t/results/menu/verb_in_menu_description.pl
index f85225e379..1e5d1b3919 100644
--- a/tp/t/results/menu/verb_in_menu_description.pl
+++ b/tp/t/results/menu/verb_in_menu_description.pl
@@ -439,6 +439,7 @@ $result_converted{'html'}->{'verb_in_menu_description'} = 
'<!DOCTYPE html>
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -455,7 +456,7 @@ td.menu-entry-destination {vertical-align: top}
 
 </code>
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 </div>
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 59d8c50f76..8c439a9637 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
@@ -1041,7 +1041,7 @@ 
$result_converted{'html_text'}->{'comment_space_command_on_line'} = '
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-index-entry--">index entry &nbsp;</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chap">chap</a></td></tr>
diff --git a/tp/t/results/morecoverage/formatting_fr.pl 
b/tp/t/results/morecoverage/formatting_fr.pl
index 1f186297c2..9975b4d399 100644
--- a/tp/t/results/morecoverage/formatting_fr.pl
+++ b/tp/t/results/morecoverage/formatting_fr.pl
@@ -4905,10 +4905,15 @@ pre.menu-comment-preformatted {font-family: serif}
 pre.menu-entry-description-preformatted {font-family: serif; display: inline}
 pre.menu-preformatted {font-family: serif}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.menu-comment {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -4943,7 +4948,7 @@ ul.toc-numbered-mark {list-style: none}
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#chapter">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
@@ -4992,7 +4997,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top-section_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e">.</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -5033,7 +5038,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top-section_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e-1"><code>.</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -5126,9 +5131,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#subsection">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
@@ -5237,7 +5242,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e">.</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -5276,7 +5281,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e-1"><code>.</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -5385,56 +5390,56 @@ Menu comment
     <th> Depuis 1.2.3 aller &agrave;</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">RetourRapide</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">RetourRapide</td>
     <td>D&eacute;but de ce chapitre ou chapitre pr&eacute;c&eacute;dent</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Arri&egrave;re</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Arri&egrave;re</td>
     <td>Section pr&eacute;c&eacute;dente dans l&rsquo;ordre de lecture</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [Plus haut] </td>
-    <td align="center">Monter</td>
+    <td class="button-direction-about"> [Plus haut] </td>
+    <td class="name-direction-about">Monter</td>
     <td>Section sup&eacute;rieure</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Avant</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Avant</td>
     <td>Section suivante dans l&rsquo;ordre de lecture</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">AvanceRapide</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">AvanceRapide</td>
     <td>Chapitre suivant</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Racine] </td>
-    <td align="center">Racine</td>
+    <td class="button-direction-about"> [Racine] </td>
+    <td class="name-direction-about">Racine</td>
     <td>Couverture (top) du document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Table des mati&egrave;res] </td>
-    <td align="center">Table des mati&egrave;res</td>
+    <td class="button-direction-about"> [Table des mati&egrave;res] </td>
+    <td class="name-direction-about">Table des mati&egrave;res</td>
     <td>Table des mati&egrave;res</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">A propos</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">A propos</td>
     <td>A propos (page d&rsquo;aide)</td>
     <td> &nbsp; </td>
   </tr>
@@ -5507,7 +5512,7 @@ $result_converted{'html_text'}->{'formatting_fr'} = '<h1 
class="title">title &nd
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#chapter">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
@@ -5556,7 +5561,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e">.</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -5597,7 +5602,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e-1"><code>.</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -5690,9 +5695,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#subsection">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
@@ -5801,7 +5806,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e">.</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -5840,7 +5845,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e-1"><code>.</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -5949,56 +5954,56 @@ Menu comment
     <th> Depuis 1.2.3 aller &agrave;</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">RetourRapide</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">RetourRapide</td>
     <td>D&eacute;but de ce chapitre ou chapitre pr&eacute;c&eacute;dent</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Arri&egrave;re</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Arri&egrave;re</td>
     <td>Section pr&eacute;c&eacute;dente dans l&rsquo;ordre de lecture</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [Plus haut] </td>
-    <td align="center">Monter</td>
+    <td class="button-direction-about"> [Plus haut] </td>
+    <td class="name-direction-about">Monter</td>
     <td>Section sup&eacute;rieure</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Avant</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Avant</td>
     <td>Section suivante dans l&rsquo;ordre de lecture</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">AvanceRapide</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">AvanceRapide</td>
     <td>Chapitre suivant</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Racine] </td>
-    <td align="center">Racine</td>
+    <td class="button-direction-about"> [Racine] </td>
+    <td class="name-direction-about">Racine</td>
     <td>Couverture (top) du document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Table des mati&egrave;res] </td>
-    <td align="center">Table des mati&egrave;res</td>
+    <td class="button-direction-about"> [Table des mati&egrave;res] </td>
+    <td class="name-direction-about">Table des mati&egrave;res</td>
     <td>Table des mati&egrave;res</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">A propos</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">A propos</td>
     <td>A propos (page d&rsquo;aide)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/morecoverage/texi_formatting.pl 
b/tp/t/results/morecoverage/texi_formatting.pl
index e4888241c3..1fdf259dde 100644
--- a/tp/t/results/morecoverage/texi_formatting.pl
+++ b/tp/t/results/morecoverage/texi_formatting.pl
@@ -4905,6 +4905,8 @@ div.example {margin-left: 3.2em}
 h2.centerchap {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -4963,7 +4965,7 @@ Next: <a href="#chapter" accesskey="n" 
rel="next">chapter</a> &nbsp; [<a href="#
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e">.</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -5004,7 +5006,7 @@ Next: <a href="#chapter" accesskey="n" 
rel="next">chapter</a> &nbsp; [<a href="#
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e-1"><code>.</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -5154,7 +5156,7 @@ Previous: <a href="#chapter" accesskey="p" 
rel="prev">chapter</a>, Up: <a href="
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter2_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e">.</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -5193,7 +5195,7 @@ Previous: <a href="#chapter" accesskey="p" 
rel="prev">chapter</a>, Up: <a href="
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter2_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e-1"><code>.</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -5288,7 +5290,7 @@ $result_converted{'html_text'}->{'texi_formatting'} = '
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e">.</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -5329,7 +5331,7 @@ $result_converted{'html_text'}->{'texi_formatting'} = '
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e-1"><code>.</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -5479,7 +5481,7 @@ $result_converted{'html_text'}->{'texi_formatting'} = '
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e">.</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
@@ -5518,7 +5520,7 @@ $result_converted{'html_text'}->{'texi_formatting'} = '
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_002e-1"><code>.</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top</a></td></tr>
diff --git 
a/tp/t/results/moreindices/double_index_entry/res_html/double_index_entry.html 
b/tp/t/results/moreindices/double_index_entry/res_html/double_index_entry.html
index c519b2d06b..e1a511a10f 100644
--- 
a/tp/t/results/moreindices/double_index_entry/res_html/double_index_entry.html
+++ 
b/tp/t/results/moreindices/double_index_entry/res_html/double_index_entry.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -44,7 +46,7 @@ td.printindex-index-section {vertical-align: top}
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-aaa">aaa</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
diff --git a/tp/t/results/moreindices/index_no_node/res_html/Chapter.html 
b/tp/t/results/moreindices/index_no_node/res_html/Chapter.html
index c1ec207bb6..38f5548d37 100644
--- a/tp/t/results/moreindices/index_no_node/res_html/Chapter.html
+++ b/tp/t/results/moreindices/index_no_node/res_html/Chapter.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -55,7 +57,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Chapter_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Chapter">1 Chapter</a></td></tr>
diff --git a/tp/t/results/moreindices/index_no_node/res_html/index.html 
b/tp/t/results/moreindices/index_no_node/res_html/index.html
index d1108affdd..9787c40d9a 100644
--- a/tp/t/results/moreindices/index_no_node/res_html/index.html
+++ b/tp/t/results/moreindices/index_no_node/res_html/index.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -55,7 +57,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="Chapter.html#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="Chapter.html">1 Chapter</a></td></tr>
@@ -124,7 +126,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="second_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="Chapter.html#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="Chapter.html">1 Chapter</a></td></tr>
@@ -174,7 +176,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="second_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="Chapter.html#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="Chapter.html">1 Chapter</a></td></tr>
diff --git 
a/tp/t/results/moreindices/index_no_node/res_html/index_no_node_abt.html 
b/tp/t/results/moreindices/index_no_node/res_html/index_no_node_abt.html
index c4a31399a4..e7b2f54ce6 100644
--- a/tp/t/results/moreindices/index_no_node/res_html/index_no_node_abt.html
+++ b/tp/t/results/moreindices/index_no_node/res_html/index_no_node_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/moreindices/index_no_node/res_html/unnumbered.html 
b/tp/t/results/moreindices/index_no_node/res_html/unnumbered.html
index 2b5af43770..aa7ec92708 100644
--- a/tp/t/results/moreindices/index_no_node/res_html/unnumbered.html
+++ b/tp/t/results/moreindices/index_no_node/res_html/unnumbered.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -39,7 +41,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="unnumbered_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="Chapter.html#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="Chapter.html">1 Chapter</a></td></tr>
@@ -109,7 +111,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="unnumbered_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="Chapter.html#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="Chapter.html">1 Chapter</a></td></tr>
diff --git a/tp/t/results/moreindices/index_split/res_html/first.html 
b/tp/t/results/moreindices/index_split/res_html/first.html
index e11ba54492..98f0f0557e 100644
--- a/tp/t/results/moreindices/index_split/res_html/first.html
+++ b/tp/t/results/moreindices/index_split/res_html/first.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -68,7 +70,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="First-chapter_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">1 First chapter</a></td></tr>
@@ -128,7 +130,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="First-chapter_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">1 First chapter</a></td></tr>
@@ -218,7 +220,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Section-1_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">1 First chapter</a></td></tr>
@@ -334,7 +336,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Subsection-2_cp_symbol-1">!</th><td></td><td></td></tr>
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href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">1 First chapter</a></td></tr>
@@ -450,7 +452,7 @@ td.printindex-index-section {vertical-align: top}
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 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Section-3_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">1 First chapter</a></td></tr>
@@ -527,7 +529,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Section-3_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">1 First chapter</a></td></tr>
@@ -598,7 +600,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Section-3_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">1 First chapter</a></td></tr>
diff --git a/tp/t/results/moreindices/index_split/res_html/index.html 
b/tp/t/results/moreindices/index_split/res_html/index.html
index 55e962031e..4ade62bf53 100644
--- a/tp/t/results/moreindices/index_split/res_html/index.html
+++ b/tp/t/results/moreindices/index_split/res_html/index.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -58,7 +60,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="split-indices_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html#first">1 First chapter</a></td></tr>
@@ -118,7 +120,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="split-indices_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-a-function"><code>a 
function</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html#first">1 First chapter</a></td></tr>
@@ -159,7 +161,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="split-indices_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html#first">1 First chapter</a></td></tr>
diff --git a/tp/t/results/moreindices/index_split/res_html/index_split_abt.html 
b/tp/t/results/moreindices/index_split/res_html/index_split_abt.html
index 223753b6f0..bddda00f8b 100644
--- a/tp/t/results/moreindices/index_split/res_html/index_split_abt.html
+++ b/tp/t/results/moreindices/index_split/res_html/index_split_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/moreindices/index_split_nodes/res_html/first.html 
b/tp/t/results/moreindices/index_split_nodes/res_html/first.html
index 7508bf6192..c2df286ffd 100644
--- a/tp/t/results/moreindices/index_split_nodes/res_html/first.html
+++ b/tp/t/results/moreindices/index_split_nodes/res_html/first.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -69,7 +71,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -129,7 +131,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
diff --git a/tp/t/results/moreindices/index_split_nodes/res_html/index.html 
b/tp/t/results/moreindices/index_split_nodes/res_html/index.html
index fecf297aaa..228c73c2c6 100644
--- a/tp/t/results/moreindices/index_split_nodes/res_html/index.html
+++ b/tp/t/results/moreindices/index_split_nodes/res_html/index.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -59,7 +61,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
@@ -119,7 +121,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-a-function"><code>a 
function</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
@@ -160,7 +162,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
diff --git 
a/tp/t/results/moreindices/index_split_nodes/res_html/index_split_abt.html 
b/tp/t/results/moreindices/index_split_nodes/res_html/index_split_abt.html
index 34a114601b..1e1795090a 100644
--- a/tp/t/results/moreindices/index_split_nodes/res_html/index_split_abt.html
+++ b/tp/t/results/moreindices/index_split_nodes/res_html/index_split_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moreindices/index_split_nodes/res_html/node-2-in-section-3.html 
b/tp/t/results/moreindices/index_split_nodes/res_html/node-2-in-section-3.html
index 83e6021569..6bf6272450 100644
--- 
a/tp/t/results/moreindices/index_split_nodes/res_html/node-2-in-section-3.html
+++ 
b/tp/t/results/moreindices/index_split_nodes/res_html/node-2-in-section-3.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -64,7 +66,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="node-2-in-section-3_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
@@ -135,7 +137,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="node-2-in-section-3_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
diff --git a/tp/t/results/moreindices/index_split_nodes/res_html/section-1.html 
b/tp/t/results/moreindices/index_split_nodes/res_html/section-1.html
index 82ffeb2d2e..a5386bd125 100644
--- a/tp/t/results/moreindices/index_split_nodes/res_html/section-1.html
+++ b/tp/t/results/moreindices/index_split_nodes/res_html/section-1.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -74,7 +76,7 @@ td.printindex-index-section {vertical-align: top}
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 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="section-1_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
diff --git a/tp/t/results/moreindices/index_split_nodes/res_html/section-3.html 
b/tp/t/results/moreindices/index_split_nodes/res_html/section-3.html
index 7bd2ca4dc7..e48ca89893 100644
--- a/tp/t/results/moreindices/index_split_nodes/res_html/section-3.html
+++ b/tp/t/results/moreindices/index_split_nodes/res_html/section-3.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -64,7 +66,7 @@ td.printindex-index-section {vertical-align: top}
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 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="section-3_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
diff --git 
a/tp/t/results/moreindices/index_split_nodes/res_html/subsection-2.html 
b/tp/t/results/moreindices/index_split_nodes/res_html/subsection-2.html
index 697323b953..eb37e93b6a 100644
--- a/tp/t/results/moreindices/index_split_nodes/res_html/subsection-2.html
+++ b/tp/t/results/moreindices/index_split_nodes/res_html/subsection-2.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -66,7 +68,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="subsection-2_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top/res_html/first-before-top.html 
b/tp/t/results/moreindices/nodes_before_top/res_html/first-before-top.html
index 3f52cf168f..76e77fb051 100644
--- a/tp/t/results/moreindices/nodes_before_top/res_html/first-before-top.html
+++ b/tp/t/results/moreindices/nodes_before_top/res_html/first-before-top.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -64,7 +66,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -151,7 +153,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="node-in-menu-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -240,7 +242,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -323,7 +325,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="second_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#a-node">a node</a></td></tr>
@@ -403,7 +405,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -469,7 +471,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
diff --git a/tp/t/results/moreindices/nodes_before_top/res_html/index.html 
b/tp/t/results/moreindices/nodes_before_top/res_html/index.html
index 10c7cc8b16..d038a91b28 100644
--- a/tp/t/results/moreindices/nodes_before_top/res_html/index.html
+++ b/tp/t/results/moreindices/nodes_before_top/res_html/index.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -56,7 +58,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first-before-top.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first-before-top.html#first">first</a></td></tr>
@@ -110,7 +112,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first-before-top.html#index-a-function"><code>a 
function</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first-before-top.html#a-node">a node</a></td></tr>
@@ -151,7 +153,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first-before-top.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first-before-top.html#first">first</a></td></tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top/res_html/nodes_before_top_abt.html 
b/tp/t/results/moreindices/nodes_before_top/res_html/nodes_before_top_abt.html
index 0815e27e55..f4fa88034e 100644
--- 
a/tp/t/results/moreindices/nodes_before_top/res_html/nodes_before_top_abt.html
+++ 
b/tp/t/results/moreindices/nodes_before_top/res_html/nodes_before_top_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top_and_sections_monolithic/res_html/nodes_before_top_and_sections.html
 
b/tp/t/results/moreindices/nodes_before_top_and_sections_monolithic/res_html/nodes_before_top_and_sections.html
index 63ebafba87..a0bd1d7416 100644
--- 
a/tp/t/results/moreindices/nodes_before_top_and_sections_monolithic/res_html/nodes_before_top_and_sections.html
+++ 
b/tp/t/results/moreindices/nodes_before_top_and_sections_monolithic/res_html/nodes_before_top_and_sections.html
@@ -16,10 +16,14 @@
 <!--
 a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -60,7 +64,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -131,7 +135,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -210,7 +214,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -288,7 +292,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -348,7 +352,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -391,7 +395,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -481,7 +485,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -553,7 +557,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -601,7 +605,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -675,7 +679,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -765,7 +769,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="A-chapter_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -845,56 +849,56 @@ td.printindex-index-section {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top_no_nodes/res_html/index.html 
b/tp/t/results/moreindices/nodes_before_top_no_nodes/res_html/index.html
index e0ce0f8c5c..6c63b21510 100644
--- a/tp/t/results/moreindices/nodes_before_top_no_nodes/res_html/index.html
+++ b/tp/t/results/moreindices/nodes_before_top_no_nodes/res_html/index.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -48,7 +50,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -118,7 +120,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -187,7 +189,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -241,7 +243,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -282,7 +284,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -355,7 +357,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -421,7 +423,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -467,7 +469,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -533,7 +535,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/a-node.html 
b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/a-node.html
index e7525c47c5..b78ad2ff5f 100644
--- a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/a-node.html
+++ b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/a-node.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -62,7 +64,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
@@ -128,7 +130,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/first-before-top.html
 
b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/first-before-top.html
index b9ebe06f6b..961fcda1ab 100644
--- 
a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/first-before-top.html
+++ 
b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/first-before-top.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -65,7 +67,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/first.html 
b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/first.html
index b2681bf266..839b81388b 100644
--- a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/first.html
+++ b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/first.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -67,7 +69,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/index.html 
b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/index.html
index 16602e7204..325b2d4532 100644
--- a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/index.html
+++ b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/index.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -57,7 +59,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
@@ -111,7 +113,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="a-node.html#index-a-function"><code>a 
function</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="a-node.html">a node</a></td></tr>
@@ -152,7 +154,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/node-in-menu-before-top.html
 
b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/node-in-menu-before-top.html
index 34fadacd0f..3113bd93a0 100644
--- 
a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/node-in-menu-before-top.html
+++ 
b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/node-in-menu-before-top.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -62,7 +64,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="node-in-menu-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/nodes_before_top_abt.html
 
b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/nodes_before_top_abt.html
index b42f203bf0..73c90c5318 100644
--- 
a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/nodes_before_top_abt.html
+++ 
b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/nodes_before_top_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/second.html 
b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/second.html
index ef588fc56a..f708df6356 100644
--- a/tp/t/results/moreindices/nodes_before_top_nodes/res_html/second.html
+++ b/tp/t/results/moreindices/nodes_before_top_nodes/res_html/second.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -60,7 +62,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="second_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="a-node.html#index-a-function"><code>a 
function</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="a-node.html">a node</a></td></tr>
diff --git a/tp/t/results/moreindices/split_chapter_index/res_html/first.html 
b/tp/t/results/moreindices/split_chapter_index/res_html/first.html
index eb40d6ca40..8194aa49e6 100644
--- a/tp/t/results/moreindices/split_chapter_index/res_html/first.html
+++ b/tp/t/results/moreindices/split_chapter_index/res_html/first.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -65,7 +67,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="First-chapter_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">1 First chapter</a></td></tr>
diff --git 
a/tp/t/results/moreindices/split_chapter_index/res_html/split_chapter_index_abt.html
 
b/tp/t/results/moreindices/split_chapter_index/res_html/split_chapter_index_abt.html
index 5741c261dc..678a12370a 100644
--- 
a/tp/t/results/moreindices/split_chapter_index/res_html/split_chapter_index_abt.html
+++ 
b/tp/t/results/moreindices/split_chapter_index/res_html/split_chapter_index_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/equivalent_nodes/res_html/equivalent_nodes.html 
b/tp/t/results/moresectioning/equivalent_nodes/res_html/equivalent_nodes.html
index 65fe3f0ac2..9fa9499317 100644
--- 
a/tp/t/results/moresectioning/equivalent_nodes/res_html/equivalent_nodes.html
+++ 
b/tp/t/results/moresectioning/equivalent_nodes/res_html/equivalent_nodes.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -113,56 +115,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/more_sections_than_nodes/res_html/more_sections_than_nodes.html
 
b/tp/t/results/moresectioning/more_sections_than_nodes/res_html/more_sections_than_nodes.html
index 677fe07688..01abd64e4c 100644
--- 
a/tp/t/results/moresectioning/more_sections_than_nodes/res_html/more_sections_than_nodes.html
+++ 
b/tp/t/results/moresectioning/more_sections_than_nodes/res_html/more_sections_than_nodes.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -315,56 +317,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/node_footnote_use_node/res_html/node_footnote_abt.html
 
b/tp/t/results/moresectioning/node_footnote_use_node/res_html/node_footnote_abt.html
index 7de0963d2b..281d4ef8d1 100644
--- 
a/tp/t/results/moresectioning/node_footnote_use_node/res_html/node_footnote_abt.html
+++ 
b/tp/t/results/moresectioning/node_footnote_use_node/res_html/node_footnote_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/nodes_after_top_before_chapter_use_nodes_chapter/res_html/nodes_after_top_before_chapter_abt.html
 
b/tp/t/results/moresectioning/nodes_after_top_before_chapter_use_nodes_chapter/res_html/nodes_after_top_before_chapter_abt.html
index 384a8ffbf6..76f7a0ab04 100644
--- 
a/tp/t/results/moresectioning/nodes_after_top_before_chapter_use_nodes_chapter/res_html/nodes_after_top_before_chapter_abt.html
+++ 
b/tp/t/results/moresectioning/nodes_after_top_before_chapter_use_nodes_chapter/res_html/nodes_after_top_before_chapter_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes/res_html/nodes_after_top_before_section.html
 
b/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes/res_html/nodes_after_top_before_section.html
index 7010675984..b075e93f35 100644
--- 
a/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes/res_html/nodes_after_top_before_section.html
+++ 
b/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes/res_html/nodes_after_top_before_section.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -108,56 +110,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes_chapter/res_html/nodes_after_top_before_section_abt.html
 
b/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes_chapter/res_html/nodes_after_top_before_section_abt.html
index 384a8ffbf6..76f7a0ab04 100644
--- 
a/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes_chapter/res_html/nodes_after_top_before_section_abt.html
+++ 
b/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes_chapter/res_html/nodes_after_top_before_section_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/sectioning_frames/res_html/First-node.html 
b/tp/t/results/moresectioning/sectioning_frames/res_html/First-node.html
index 11bbf91a11..a387685c44 100644
--- a/tp/t/results/moresectioning/sectioning_frames/res_html/First-node.html
+++ b/tp/t/results/moresectioning/sectioning_frames/res_html/First-node.html
@@ -18,6 +18,7 @@ pre.menu-comment-preformatted {font-family: serif}
 span.program-in-footer {font-size: smaller}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -51,7 +52,7 @@ td.menu-entry-destination {vertical-align: top}
 </td></tr>
 <tr><td class="menu-entry-destination"><a href="#numbered">1.1 numbered 
section</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">nu
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 
diff --git a/tp/t/results/moresectioning/sectioning_frames/res_html/index.html 
b/tp/t/results/moresectioning/sectioning_frames/res_html/index.html
index 159692f94c..f5e2ae563b 100644
--- a/tp/t/results/moresectioning/sectioning_frames/res_html/index.html
+++ b/tp/t/results/moresectioning/sectioning_frames/res_html/index.html
@@ -18,6 +18,7 @@ pre.menu-comment-preformatted {font-family: serif}
 span.program-in-footer {font-size: smaller}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -41,19 +42,19 @@ td.menu-entry-destination {vertical-align: top}
 With command &icirc; and
 a <cite class="cite">me</cite>.
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 heading
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="First-node.html#between-node">between 
node</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 node in between
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 heading 
 or not ?
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="Second-node.html">2 second node chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">node 2
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 heading with spaces around
 
@@ -61,7 +62,7 @@ heading with spaces around
 </td></tr>
 <tr><td class="menu-entry-destination">&bull; <a 
href="Third-node-unnumbered.html#Last-node-no-description">Last node no 
description</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 description here
 
diff --git 
a/tp/t/results/moresectioning/sectioning_frames/res_html/sectioning_abt.html 
b/tp/t/results/moresectioning/sectioning_frames/res_html/sectioning_abt.html
index b1dbb685ab..d4304da424 100644
--- a/tp/t/results/moresectioning/sectioning_frames/res_html/sectioning_abt.html
+++ b/tp/t/results/moresectioning/sectioning_frames/res_html/sectioning_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/top_node_up_explicit/res_html/top_node_up_explicit.html
 
b/tp/t/results/moresectioning/top_node_up_explicit/res_html/top_node_up_explicit.html
index ff09594b95..65943001c2 100644
--- 
a/tp/t/results/moresectioning/top_node_up_explicit/res_html/top_node_up_explicit.html
+++ 
b/tp/t/results/moresectioning/top_node_up_explicit/res_html/top_node_up_explicit.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -91,56 +93,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/top_node_up_implicit/res_html/top_node_up_implicit.html
 
b/tp/t/results/moresectioning/top_node_up_implicit/res_html/top_node_up_implicit.html
index ff09594b95..65943001c2 100644
--- 
a/tp/t/results/moresectioning/top_node_up_implicit/res_html/top_node_up_implicit.html
+++ 
b/tp/t/results/moresectioning/top_node_up_implicit/res_html/top_node_up_implicit.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -91,56 +93,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/two_footnotes_in_nodes/res_html/two_footnotes_in_nodes.html
 
b/tp/t/results/moresectioning/two_footnotes_in_nodes/res_html/two_footnotes_in_nodes.html
index 2ccc5afddb..84a891a149 100644
--- 
a/tp/t/results/moresectioning/two_footnotes_in_nodes/res_html/two_footnotes_in_nodes.html
+++ 
b/tp/t/results/moresectioning/two_footnotes_in_nodes/res_html/two_footnotes_in_nodes.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -120,56 +122,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/t/results/moresectioning/two_footnotes_in_nodes_separated/res_html/two_footnotes_in_nodes.html
 
b/tp/t/results/moresectioning/two_footnotes_in_nodes_separated/res_html/two_footnotes_in_nodes.html
index 2ccc5afddb..84a891a149 100644
--- 
a/tp/t/results/moresectioning/two_footnotes_in_nodes_separated/res_html/two_footnotes_in_nodes.html
+++ 
b/tp/t/results/moresectioning/two_footnotes_in_nodes_separated/res_html/two_footnotes_in_nodes.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -120,56 +122,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/t/results/sectioning/topic_guide/res_html/topic1.html 
b/tp/t/results/sectioning/topic_guide/res_html/topic1.html
index 95218f6ab4..4c613034d8 100644
--- a/tp/t/results/sectioning/topic_guide/res_html/topic1.html
+++ b/tp/t/results/sectioning/topic_guide/res_html/topic1.html
@@ -18,6 +18,7 @@
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -35,7 +36,7 @@ Next: <a href="topic2.html" accesskey="n" 
rel="next">topic2</a> &nbsp; </p>
 <p>This is topic 1.
 </p>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">More 
information
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">More information
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="guide1.html" accesskey="1">guide1</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">guide 1
 </td></tr>
diff --git a/tp/t/results/sectioning/topic_guide/res_html/topic2.html 
b/tp/t/results/sectioning/topic_guide/res_html/topic2.html
index baf4d34f23..213f7d3c44 100644
--- a/tp/t/results/sectioning/topic_guide/res_html/topic2.html
+++ b/tp/t/results/sectioning/topic_guide/res_html/topic2.html
@@ -19,6 +19,7 @@
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -36,7 +37,7 @@ Next: <a href="topic3.html" accesskey="n" 
rel="next">topic3</a>, Previous: <a hr
 <p>This is topic 2
 </p>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">More 
information
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">More information
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="guide1.html" accesskey="1">guide1</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">guide 1
 </td></tr>
diff --git a/tp/t/results/sectioning/topic_guide/res_html/topic3.html 
b/tp/t/results/sectioning/topic_guide/res_html/topic3.html
index b9e6f12a9c..889e40b32e 100644
--- a/tp/t/results/sectioning/topic_guide/res_html/topic3.html
+++ b/tp/t/results/sectioning/topic_guide/res_html/topic3.html
@@ -17,6 +17,7 @@
 <style type="text/css">
 <!--
 pre.menu-comment-preformatted {font-family: serif}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -34,7 +35,7 @@ Next: <a href="topic5.html" accesskey="n" 
rel="next">topic5</a>, Previous: <a hr
 <p>This is topic 3
 </p>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">More 
information
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">More information
 
 </pre></th></tr></table>
 
diff --git a/tp/t/results/sectioning/topic_guide/res_html/topic4.html 
b/tp/t/results/sectioning/topic_guide/res_html/topic4.html
index 0f50660600..ab75a1f4a6 100644
--- a/tp/t/results/sectioning/topic_guide/res_html/topic4.html
+++ b/tp/t/results/sectioning/topic_guide/res_html/topic4.html
@@ -19,6 +19,7 @@
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -36,7 +37,7 @@ Previous: <a href="topic5.html" accesskey="p" 
rel="prev">topic5</a>, Up: <a href
 <p>This is topic 4
 </p>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">More 
information
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">More information
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="guide2.html" accesskey="1">guide2</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">guide 2
 </td></tr>
diff --git a/tp/t/results/sectioning/topic_guide/res_html/topic5.html 
b/tp/t/results/sectioning/topic_guide/res_html/topic5.html
index d92261d62b..1930c1ffd1 100644
--- a/tp/t/results/sectioning/topic_guide/res_html/topic5.html
+++ b/tp/t/results/sectioning/topic_guide/res_html/topic5.html
@@ -18,6 +18,7 @@
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -35,7 +36,7 @@ Previous: <a href="topic3.html" accesskey="p" 
rel="prev">topic3</a> &nbsp; </p>
 <p>This is topic 5
 </p>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">More 
information
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">More information
 
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="guide1.html" accesskey="1">guide1</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">guide 1
 </td></tr>
diff --git 
a/tp/tests/contents/res_parser/contents_and_parts/contents_and_parts.html 
b/tp/tests/contents/res_parser/contents_and_parts/contents_and_parts.html
index f360076968..6e80a657e6 100644
--- a/tp/tests/contents/res_parser/contents_and_parts/contents_and_parts.html
+++ b/tp/tests/contents/res_parser/contents_and_parts/contents_and_parts.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -188,56 +190,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/contents_at_begin/contents_at_begin.html 
b/tp/tests/contents/res_parser/contents_at_begin/contents_at_begin.html
index a9ef2cdf1f..64516658bc 100644
--- a/tp/tests/contents/res_parser/contents_at_begin/contents_at_begin.html
+++ b/tp/tests/contents/res_parser/contents_at_begin/contents_at_begin.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -108,56 +110,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/contents_at_begin_inline/contents_at_begin.html 
b/tp/tests/contents/res_parser/contents_at_begin_inline/contents_at_begin.html
index 4116f1887b..8c2dff92b9 100644
--- 
a/tp/tests/contents/res_parser/contents_at_begin_inline/contents_at_begin.html
+++ 
b/tp/tests/contents/res_parser/contents_at_begin_inline/contents_at_begin.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -102,56 +104,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/contents/res_parser/contents_at_end/contents_at_end.html 
b/tp/tests/contents/res_parser/contents_at_end/contents_at_end.html
index 2b25124b70..2f825d0766 100644
--- a/tp/tests/contents/res_parser/contents_at_end/contents_at_end.html
+++ b/tp/tests/contents/res_parser/contents_at_end/contents_at_end.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -108,56 +110,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/contents_at_end_inline/contents_at_end.html 
b/tp/tests/contents/res_parser/contents_at_end_inline/contents_at_end.html
index 6c6246e5c5..c875df6751 100644
--- a/tp/tests/contents/res_parser/contents_at_end_inline/contents_at_end.html
+++ b/tp/tests/contents/res_parser/contents_at_end_inline/contents_at_end.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -102,56 +104,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/contents_in_middle_chapter/contents_in_middle_chapter.html
 
b/tp/tests/contents/res_parser/contents_in_middle_chapter/contents_in_middle_chapter.html
index e12fc5493d..afe96e5a55 100644
--- 
a/tp/tests/contents/res_parser/contents_in_middle_chapter/contents_in_middle_chapter.html
+++ 
b/tp/tests/contents/res_parser/contents_in_middle_chapter/contents_in_middle_chapter.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -138,56 +140,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/contents_in_middle_chapter_inline/contents_in_middle_chapter.html
 
b/tp/tests/contents/res_parser/contents_in_middle_chapter_inline/contents_in_middle_chapter.html
index 00e5dabaa1..7a4a20b8c1 100644
--- 
a/tp/tests/contents/res_parser/contents_in_middle_chapter_inline/contents_in_middle_chapter.html
+++ 
b/tp/tests/contents/res_parser/contents_in_middle_chapter_inline/contents_in_middle_chapter.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -132,56 +134,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/contents_in_middle_section/contents_in_middle_section.html
 
b/tp/tests/contents/res_parser/contents_in_middle_section/contents_in_middle_section.html
index ac2f6e14b3..42c708f6e1 100644
--- 
a/tp/tests/contents/res_parser/contents_in_middle_section/contents_in_middle_section.html
+++ 
b/tp/tests/contents/res_parser/contents_in_middle_section/contents_in_middle_section.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -162,56 +164,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/contents_in_middle_section_inline/contents_in_middle_section.html
 
b/tp/tests/contents/res_parser/contents_in_middle_section_inline/contents_in_middle_section.html
index 10e1919f0c..fb5cbca906 100644
--- 
a/tp/tests/contents/res_parser/contents_in_middle_section_inline/contents_in_middle_section.html
+++ 
b/tp/tests/contents/res_parser/contents_in_middle_section_inline/contents_in_middle_section.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -156,56 +158,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/contents/res_parser/double_contents/double_contents.html 
b/tp/tests/contents/res_parser/double_contents/double_contents.html
index f52c820abb..01d4887fee 100644
--- a/tp/tests/contents/res_parser/double_contents/double_contents.html
+++ b/tp/tests/contents/res_parser/double_contents/double_contents.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -136,56 +138,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_after_title/double_contents.html 
b/tp/tests/contents/res_parser/double_contents_after_title/double_contents.html
index 21c3e14109..9b0b410726 100644
--- 
a/tp/tests/contents/res_parser/double_contents_after_title/double_contents.html
+++ 
b/tp/tests/contents/res_parser/double_contents_after_title/double_contents.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -131,56 +133,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_after_title_book/double_contents.html
 
b/tp/tests/contents/res_parser/double_contents_after_title_book/double_contents.html
index 21c3e14109..9b0b410726 100644
--- 
a/tp/tests/contents/res_parser/double_contents_after_title_book/double_contents.html
+++ 
b/tp/tests/contents/res_parser/double_contents_after_title_book/double_contents.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -131,56 +133,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_after_title_book_chapter/double_contents_abt.html
 
b/tp/tests/contents/res_parser/double_contents_after_title_book_chapter/double_contents_abt.html
index 3847d8ec8c..5ad16a9d88 100644
--- 
a/tp/tests/contents/res_parser/double_contents_after_title_book_chapter/double_contents_abt.html
+++ 
b/tp/tests/contents/res_parser/double_contents_after_title_book_chapter/double_contents_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_book/double_contents.html 
b/tp/tests/contents/res_parser/double_contents_book/double_contents.html
index cf9476c22d..51404b8e93 100644
--- a/tp/tests/contents/res_parser/double_contents_book/double_contents.html
+++ b/tp/tests/contents/res_parser/double_contents_book/double_contents.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -127,32 +129,32 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_chapter/double_contents_abt.html 
b/tp/tests/contents/res_parser/double_contents_chapter/double_contents_abt.html
index 55f50437a7..75056eb774 100644
--- 
a/tp/tests/contents/res_parser/double_contents_chapter/double_contents_abt.html
+++ 
b/tp/tests/contents/res_parser/double_contents_chapter/double_contents_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_inline/double_contents.html 
b/tp/tests/contents/res_parser/double_contents_inline/double_contents.html
index b45ef482de..e9b5e62662 100644
--- a/tp/tests/contents/res_parser/double_contents_inline/double_contents.html
+++ b/tp/tests/contents/res_parser/double_contents_inline/double_contents.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -156,56 +158,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_inline_chapter/double_contents_abt.html
 
b/tp/tests/contents/res_parser/double_contents_inline_chapter/double_contents_abt.html
index 3847d8ec8c..5ad16a9d88 100644
--- 
a/tp/tests/contents/res_parser/double_contents_inline_chapter/double_contents_abt.html
+++ 
b/tp/tests/contents/res_parser/double_contents_inline_chapter/double_contents_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_inline_nodes/double_contents_abt.html
 
b/tp/tests/contents/res_parser/double_contents_inline_nodes/double_contents_abt.html
index 9ee0bd8e4d..37bd084d6d 100644
--- 
a/tp/tests/contents/res_parser/double_contents_inline_nodes/double_contents_abt.html
+++ 
b/tp/tests/contents/res_parser/double_contents_inline_nodes/double_contents_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_inline_section/double_contents_abt.html
 
b/tp/tests/contents/res_parser/double_contents_inline_section/double_contents_abt.html
index 3847d8ec8c..5ad16a9d88 100644
--- 
a/tp/tests/contents/res_parser/double_contents_inline_section/double_contents_abt.html
+++ 
b/tp/tests/contents/res_parser/double_contents_inline_section/double_contents_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_nodes/double_contents_abt.html 
b/tp/tests/contents/res_parser/double_contents_nodes/double_contents_abt.html
index 8d8b330bc0..982fc5ac61 100644
--- 
a/tp/tests/contents/res_parser/double_contents_nodes/double_contents_abt.html
+++ 
b/tp/tests/contents/res_parser/double_contents_nodes/double_contents_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/double_contents_section/double_contents_abt.html 
b/tp/tests/contents/res_parser/double_contents_section/double_contents_abt.html
index 55f50437a7..75056eb774 100644
--- 
a/tp/tests/contents/res_parser/double_contents_section/double_contents_abt.html
+++ 
b/tp/tests/contents/res_parser/double_contents_section/double_contents_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/contents/res_parser/no_content/no_content.html 
b/tp/tests/contents/res_parser/no_content/no_content.html
index 6c7ad4477e..a588d3e0b9 100644
--- a/tp/tests/contents/res_parser/no_content/no_content.html
+++ b/tp/tests/contents/res_parser/no_content/no_content.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -90,56 +92,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/no_content_do_contents/no_content.html 
b/tp/tests/contents/res_parser/no_content_do_contents/no_content.html
index 9ef0cf161c..e9d9227ce9 100644
--- a/tp/tests/contents/res_parser/no_content_do_contents/no_content.html
+++ b/tp/tests/contents/res_parser/no_content_do_contents/no_content.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -107,56 +109,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/no_content_do_contents_inline/no_content.html 
b/tp/tests/contents/res_parser/no_content_do_contents_inline/no_content.html
index 6c7ad4477e..a588d3e0b9 100644
--- a/tp/tests/contents/res_parser/no_content_do_contents_inline/no_content.html
+++ b/tp/tests/contents/res_parser/no_content_do_contents_inline/no_content.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -90,56 +92,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/contents/res_parser/no_content_inline/no_content.html 
b/tp/tests/contents/res_parser/no_content_inline/no_content.html
index 6c7ad4477e..a588d3e0b9 100644
--- a/tp/tests/contents/res_parser/no_content_inline/no_content.html
+++ b/tp/tests/contents/res_parser/no_content_inline/no_content.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -90,56 +92,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/no_content_setcatpage/no_content_setcatpage.html 
b/tp/tests/contents/res_parser/no_content_setcatpage/no_content_setcatpage.html
index 6c7ad4477e..a588d3e0b9 100644
--- 
a/tp/tests/contents/res_parser/no_content_setcatpage/no_content_setcatpage.html
+++ 
b/tp/tests/contents/res_parser/no_content_setcatpage/no_content_setcatpage.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -90,56 +92,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/no_content_setcatpage_do_contents/no_content_setcatpage.html
 
b/tp/tests/contents/res_parser/no_content_setcatpage_do_contents/no_content_setcatpage.html
index 9ef0cf161c..e9d9227ce9 100644
--- 
a/tp/tests/contents/res_parser/no_content_setcatpage_do_contents/no_content_setcatpage.html
+++ 
b/tp/tests/contents/res_parser/no_content_setcatpage_do_contents/no_content_setcatpage.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -107,56 +109,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/no_content_setcatpage_do_contents_inline/no_content_setcatpage.html
 
b/tp/tests/contents/res_parser/no_content_setcatpage_do_contents_inline/no_content_setcatpage.html
index 6c7ad4477e..a588d3e0b9 100644
--- 
a/tp/tests/contents/res_parser/no_content_setcatpage_do_contents_inline/no_content_setcatpage.html
+++ 
b/tp/tests/contents/res_parser/no_content_setcatpage_do_contents_inline/no_content_setcatpage.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -90,56 +92,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/contents/res_parser/no_content_setcatpage_inline/no_content_setcatpage.html
 
b/tp/tests/contents/res_parser/no_content_setcatpage_inline/no_content_setcatpage.html
index 6c7ad4477e..a588d3e0b9 100644
--- 
a/tp/tests/contents/res_parser/no_content_setcatpage_inline/no_content_setcatpage.html
+++ 
b/tp/tests/contents/res_parser/no_content_setcatpage_inline/no_content_setcatpage.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -90,56 +92,56 @@ td.menu-entry-destination {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/formatting/res_parser/documentlanguage_cmdline/documentlanguage.html 
b/tp/tests/formatting/res_parser/documentlanguage_cmdline/documentlanguage.html
index 7d5b30e77f..b6e12512b9 100644
--- 
a/tp/tests/formatting/res_parser/documentlanguage_cmdline/documentlanguage.html
+++ 
b/tp/tests/formatting/res_parser/documentlanguage_cmdline/documentlanguage.html
@@ -18,8 +18,12 @@ a.copiable-link {visibility: hidden; text-decoration: none; 
line-height: 0em}
 a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -68,7 +72,7 @@ td.printindex-index-section {vertical-align: top}
 
 <div class="printindex fn-printindex">
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Chapter_fn_letter-N">N</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-name-on-class"><code>name de 
class</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 Chapter</a></td></tr>
@@ -102,56 +106,56 @@ td.printindex-index-section {vertical-align: top}
     <th> Depuis 1.2.3 aller &agrave;</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">RetourRapide</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">RetourRapide</td>
     <td>D&eacute;but de ce chapitre ou chapitre pr&eacute;c&eacute;dent</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Arri&egrave;re</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Arri&egrave;re</td>
     <td>Section pr&eacute;c&eacute;dente dans l&rsquo;ordre de lecture</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [Plus haut] </td>
-    <td align="center">Monter</td>
+    <td class="button-direction-about"> [Plus haut] </td>
+    <td class="name-direction-about">Monter</td>
     <td>Section sup&eacute;rieure</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Avant</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Avant</td>
     <td>Section suivante dans l&rsquo;ordre de lecture</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">AvanceRapide</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">AvanceRapide</td>
     <td>Chapitre suivant</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Racine] </td>
-    <td align="center">Racine</td>
+    <td class="button-direction-about"> [Racine] </td>
+    <td class="name-direction-about">Racine</td>
     <td>Couverture (top) du document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Table des mati&egrave;res] </td>
-    <td align="center">Table des mati&egrave;res</td>
+    <td class="button-direction-about"> [Table des mati&egrave;res] </td>
+    <td class="name-direction-about">Table des mati&egrave;res</td>
     <td>Table des mati&egrave;res</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">A propos</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">A propos</td>
     <td>A propos (page d&rsquo;aide)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
"a/tp/tests/formatting/res_parser/non_ascii_command_line/os\303\251_utf8_abt.html"
 
"b/tp/tests/formatting/res_parser/non_ascii_command_line/os\303\251_utf8_abt.html"
index ea7e6c864d..e11c425ed7 100644
--- 
"a/tp/tests/formatting/res_parser/non_ascii_command_line/os\303\251_utf8_abt.html"
+++ 
"b/tp/tests/formatting/res_parser/non_ascii_command_line/os\303\251_utf8_abt.html"
@@ -26,6 +26,8 @@
 
 
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 @media tv { h3 {text-align: left} }
 ul.mark-euro {list-style-type: "€"}
 ul.mark-néni {list-style-type: "vàça"}
@@ -63,56 +65,56 @@ ul.mark-néni {list-style-type: "vàça"}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
"a/tp/tests/formatting/res_parser/non_ascii_test_epub/os\303\251_utf8_epub_package/EPUB/xhtml/os\303\251_utf8_abt.xhtml"
 
"b/tp/tests/formatting/res_parser/non_ascii_test_epub/os\303\251_utf8_epub_package/EPUB/xhtml/os\303\251_utf8_abt.xhtml"
index 506da7121f..8fff867fca 100644
--- 
"a/tp/tests/formatting/res_parser/non_ascii_test_epub/os\303\251_utf8_epub_package/EPUB/xhtml/os\303\251_utf8_abt.xhtml"
+++ 
"b/tp/tests/formatting/res_parser/non_ascii_test_epub/os\303\251_utf8_epub_package/EPUB/xhtml/os\303\251_utf8_abt.xhtml"
@@ -13,6 +13,12 @@
 <meta name="Generator" content="texi2any"/>
 <meta name="viewport" content="width=device-width,initial-scale=1"/>
 
+<style type="text/css">
+<!--
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
+-->
+</style>
 
 
 </head>
@@ -35,56 +41,56 @@
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &#160; </td>
   </tr>
diff --git a/tp/tests/formatting/res_parser/simplest_test_css/simplest.html 
b/tp/tests/formatting/res_parser/simplest_test_css/simplest.html
index 2657f58390..29fc32cdfb 100644
--- a/tp/tests/formatting/res_parser/simplest_test_css/simplest.html
+++ b/tp/tests/formatting/res_parser/simplest_test_css/simplest.html
@@ -25,6 +25,8 @@
 @import ("strange\" ;file") ;
 
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 @media tv { h3 {text-align: left} }
 
 -->
@@ -93,56 +95,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/index_and_node_same_name/index_and_node_same_name.html
 
b/tp/tests/indices/res_parser/index_and_node_same_name/index_and_node_same_name.html
index 435a867f79..7c705d527e 100644
--- 
a/tp/tests/indices/res_parser/index_and_node_same_name/index_and_node_same_name.html
+++ 
b/tp/tests/indices/res_parser/index_and_node_same_name/index_and_node_same_name.html
@@ -16,10 +16,14 @@
 <!--
 a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -71,7 +75,7 @@ td.printindex-index-section {vertical-align: top}
 </p>
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="index-node-1_cp_letter-N">N</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-node-2">node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Test index entry with node name 
clash</a></td></tr>
@@ -105,56 +109,56 @@ td.printindex-index-section {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/index_entry_in_footnote/index_entry_in_footnote.html
 
b/tp/tests/indices/res_parser/index_entry_in_footnote/index_entry_in_footnote.html
index e65c6bfcf1..58ba693fe7 100644
--- 
a/tp/tests/indices/res_parser/index_entry_in_footnote/index_entry_in_footnote.html
+++ 
b/tp/tests/indices/res_parser/index_entry_in_footnote/index_entry_in_footnote.html
@@ -16,10 +16,14 @@
 <!--
 a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -67,7 +71,7 @@ td.printindex-index-section {vertical-align: top}
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="index_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-index-entry-in-footnote">index entry in 
footnote</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#Top">index_entry_in_footnote</a></td></tr>
@@ -117,56 +121,56 @@ td.printindex-index-section {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/index_no_node_no_top/index_no_node_no_top.html 
b/tp/tests/indices/res_parser/index_no_node_no_top/index_no_node_no_top.html
index 0a4a88d7bc..ed83fbe69f 100644
--- a/tp/tests/indices/res_parser/index_no_node_no_top/index_no_node_no_top.html
+++ b/tp/tests/indices/res_parser/index_no_node_no_top/index_no_node_no_top.html
@@ -16,8 +16,12 @@
 <!--
 a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -39,7 +43,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="unnumbered_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Chapter">1 Chapter</a></td></tr>
@@ -109,7 +113,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="unnumbered_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Chapter">1 Chapter</a></td></tr>
@@ -184,7 +188,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th 
id="top-_0028chapter_0029-section_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Chapter">1 Chapter</a></td></tr>
@@ -253,7 +257,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="second_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Chapter">1 Chapter</a></td></tr>
@@ -303,7 +307,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="second_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Chapter">1 Chapter</a></td></tr>
@@ -371,7 +375,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Chapter_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-chapter">chapter</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Chapter">1 Chapter</a></td></tr>
@@ -456,56 +460,56 @@ td.printindex-index-section {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/indices/res_parser/index_nodes/index_nodes.html 
b/tp/tests/indices/res_parser/index_nodes/index_nodes.html
index 993dbbc594..9d2a3a2d9e 100644
--- a/tp/tests/indices/res_parser/index_nodes/index_nodes.html
+++ b/tp/tests/indices/res_parser/index_nodes/index_nodes.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -42,7 +44,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -82,7 +84,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -117,7 +119,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -171,7 +173,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -223,7 +225,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -263,7 +265,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
@@ -309,7 +311,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"></td></tr>
diff --git a/tp/tests/indices/res_parser/index_nodes_nodes/a-node.html 
b/tp/tests/indices/res_parser/index_nodes_nodes/a-node.html
index 0135b31f57..dead13aafd 100644
--- a/tp/tests/indices/res_parser/index_nodes_nodes/a-node.html
+++ b/tp/tests/indices/res_parser/index_nodes_nodes/a-node.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -56,7 +58,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
@@ -102,7 +104,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
diff --git a/tp/tests/indices/res_parser/index_nodes_nodes/first.html 
b/tp/tests/indices/res_parser/index_nodes_nodes/first.html
index a1b3ca7ef1..1c2a5aff34 100644
--- a/tp/tests/indices/res_parser/index_nodes_nodes/first.html
+++ b/tp/tests/indices/res_parser/index_nodes_nodes/first.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -62,7 +64,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
diff --git a/tp/tests/indices/res_parser/index_nodes_nodes/index.html 
b/tp/tests/indices/res_parser/index_nodes_nodes/index.html
index 5b5d4f4a4a..ccaf1b8a46 100644
--- a/tp/tests/indices/res_parser/index_nodes_nodes/index.html
+++ b/tp/tests/indices/res_parser/index_nodes_nodes/index.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -52,7 +54,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="first.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="first.html">first</a></td></tr>
@@ -92,7 +94,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
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 <tr><td></td><td class="printindex-index-entry"><a 
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function</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="a-node.html">a node</a></td></tr>
@@ -127,7 +129,7 @@ td.printindex-index-section {vertical-align: top}
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 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
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node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
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diff --git a/tp/tests/indices/res_parser/index_nodes_nodes/index_nodes_abt.html 
b/tp/tests/indices/res_parser/index_nodes_nodes/index_nodes_abt.html
index 8559cdd752..5548114249 100644
--- a/tp/tests/indices/res_parser/index_nodes_nodes/index_nodes_abt.html
+++ b/tp/tests/indices/res_parser/index_nodes_nodes/index_nodes_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -46,56 +48,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/indices/res_parser/index_nodes_nodes/second.html 
b/tp/tests/indices/res_parser/index_nodes_nodes/second.html
index 875523cc9c..a7f477113d 100644
--- a/tp/tests/indices/res_parser/index_nodes_nodes/second.html
+++ b/tp/tests/indices/res_parser/index_nodes_nodes/second.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
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@@ -60,7 +62,7 @@ td.printindex-index-section {vertical-align: top}
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 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
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 <tr><td></td><td class="printindex-index-entry"><a 
href="a-node.html#index-a-function"><code>a 
function</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="a-node.html">a node</a></td></tr>
diff --git a/tp/tests/indices/res_parser/index_one_node/index_one_node.html 
b/tp/tests/indices/res_parser/index_one_node/index_one_node.html
index cf9c09b1e7..e190e80a74 100644
--- a/tp/tests/indices/res_parser/index_one_node/index_one_node.html
+++ b/tp/tests/indices/res_parser/index_one_node/index_one_node.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
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@@ -53,7 +55,7 @@ td.printindex-index-section {vertical-align: top}
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 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
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diff --git a/tp/tests/indices/res_parser/index_special_region/Chapter.html 
b/tp/tests/indices/res_parser/index_special_region/Chapter.html
index bd8e0ce3f0..e2c1df78e1 100644
--- a/tp/tests/indices/res_parser/index_special_region/Chapter.html
+++ b/tp/tests/indices/res_parser/index_special_region/Chapter.html
@@ -28,6 +28,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -68,7 +70,7 @@ domain<a class="footnote" id="DOCF1" 
href="index_special_region_fot.html#FOOT1">
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 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
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 <tr><td></td><td class="printindex-index-entry"><a 
href="Copying-and-indices.html#index-Copying-appendix">Copying 
appendix</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="Copying-and-indices.html">Appendix A Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region/Copying-and-indices.html 
b/tp/tests/indices/res_parser/index_special_region/Copying-and-indices.html
index 15ca3aa421..9924b9d56c 100644
--- a/tp/tests/indices/res_parser/index_special_region/Copying-and-indices.html
+++ b/tp/tests/indices/res_parser/index_special_region/Copying-and-indices.html
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 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -76,7 +78,7 @@ domain<a class="footnote" id="DOCF1_2" 
href="index_special_region_fot.html#FOOT1
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 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
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 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Copying-appendix">Copying appendix</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
@@ -109,7 +111,7 @@ domain<a class="footnote" id="DOCF1_2" 
href="index_special_region_fot.html#FOOT1
  &nbsp; 
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 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
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 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Copying-appendix">Copying appendix</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
@@ -138,7 +140,7 @@ domain<a class="footnote" id="DOCF1_2" 
href="index_special_region_fot.html#FOOT1
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 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
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 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-another-fun"><code>another fun</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region/index_special_region_abt.html
 
b/tp/tests/indices/res_parser/index_special_region/index_special_region_abt.html
index eb5bb2db1d..fa95c527d5 100644
--- 
a/tp/tests/indices/res_parser/index_special_region/index_special_region_abt.html
+++ 
b/tp/tests/indices/res_parser/index_special_region/index_special_region_abt.html
@@ -21,6 +21,8 @@ domain.
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -51,56 +53,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/indices/res_parser/index_special_region_html/Chapter.html 
b/tp/tests/indices/res_parser/index_special_region_html/Chapter.html
index ec3b8b85c3..7f9cf11fa9 100644
--- a/tp/tests/indices/res_parser/index_special_region_html/Chapter.html
+++ b/tp/tests/indices/res_parser/index_special_region_html/Chapter.html
@@ -28,6 +28,8 @@ td.menu-entry-description {vertical-align: top}
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 td.printindex-index-entry {vertical-align: top}
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+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
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@@ -68,7 +70,7 @@ domain<a class="footnote" id="DOCF1_3" 
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 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
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 <tr><td></td><td class="printindex-index-entry"><a 
href="Copying-and-indices.html#index-Copying-appendix">Copying 
appendix</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="Copying-and-indices.html">Appendix A Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_html/Copying-and-indices.html
 
b/tp/tests/indices/res_parser/index_special_region_html/Copying-and-indices.html
index 3d7828245c..cc25dd8e92 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_html/Copying-and-indices.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_html/Copying-and-indices.html
@@ -24,6 +24,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
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@@ -76,7 +78,7 @@ domain<a class="footnote" id="DOCF1_4" 
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 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
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 <tr><td></td><td class="printindex-index-entry"><a 
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class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
@@ -109,7 +111,7 @@ domain<a class="footnote" id="DOCF1_4" 
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 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
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Section</th></tr>
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Copying and indices</a></td></tr>
@@ -138,7 +140,7 @@ domain<a class="footnote" id="DOCF1_4" 
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Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices-1_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-another-fun"><code>another fun</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
diff --git a/tp/tests/indices/res_parser/index_special_region_html/index.html 
b/tp/tests/indices/res_parser/index_special_region_html/index.html
index b30f9ba111..d4928045e5 100644
--- a/tp/tests/indices/res_parser/index_special_region_html/index.html
+++ b/tp/tests/indices/res_parser/index_special_region_html/index.html
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@@ -51,7 +53,7 @@ domain<a class="footnote" id="DOCF1" 
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 <tr><td></td><td class="printindex-index-entry"><a 
href="Copying-and-indices.html#index-Copying-appendix">Copying 
appendix</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="Copying-and-indices.html">Appendix A Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_html/index_special_region_abt.html
 
b/tp/tests/indices/res_parser/index_special_region_html/index_special_region_abt.html
index 2d6cea0390..40626acbad 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_html/index_special_region_abt.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_html/index_special_region_abt.html
@@ -21,6 +21,8 @@ domain.
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -51,56 +53,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_no_insertcopying/Copying-and-indices.html
 
b/tp/tests/indices/res_parser/index_special_region_no_insertcopying/Copying-and-indices.html
index 55953f3316..18134d8031 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_no_insertcopying/Copying-and-indices.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_no_insertcopying/Copying-and-indices.html
@@ -24,6 +24,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -71,7 +73,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices-1_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Copying-appendix">Copying appendix</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
@@ -100,7 +102,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices-1_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-another-fun"><code>another fun</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_no_insertcopying/index_special_region_no_insertcopying_abt.html
 
b/tp/tests/indices/res_parser/index_special_region_no_insertcopying/index_special_region_no_insertcopying_abt.html
index fb757506d5..16a66aad12 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_no_insertcopying/index_special_region_no_insertcopying_abt.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_no_insertcopying/index_special_region_no_insertcopying_abt.html
@@ -21,6 +21,8 @@ domain.
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -51,56 +53,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/Copying-and-indices.html
 
b/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/Copying-and-indices.html
index 4cb06b8b59..9d243eeedb 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/Copying-and-indices.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/Copying-and-indices.html
@@ -24,6 +24,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -71,7 +73,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices-1_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Copying-appendix">Copying appendix</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
@@ -100,7 +102,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices-1_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-another-fun"><code>another fun</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/index.html
 
b/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/index.html
index 724e6a099d..6eb3582663 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/index.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/index.html
@@ -24,6 +24,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -51,7 +53,7 @@ domain<a class="footnote" id="DOCF1" 
href="index_special_region_no_insertcopying
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="Copying-and-indices.html#index-Copying-appendix">Copying 
appendix</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="Copying-and-indices.html">Appendix A Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/index_special_region_no_insertcopying_abt.html
 
b/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/index_special_region_no_insertcopying_abt.html
index 4df8bbb96c..c99ea4529b 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/index_special_region_no_insertcopying_abt.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_no_insertcopying_html/index_special_region_no_insertcopying_abt.html
@@ -21,6 +21,8 @@ domain.
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -51,56 +53,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_no_region/Copying-and-indices.html
 
b/tp/tests/indices/res_parser/index_special_region_no_region/Copying-and-indices.html
index 7693167dd6..e01277c9a1 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_no_region/Copying-and-indices.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_no_region/Copying-and-indices.html
@@ -24,6 +24,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -71,7 +73,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices-1_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Copying-appendix">Copying appendix</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
@@ -100,7 +102,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices-1_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-another-fun"><code>another fun</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_no_region/index_special_region_no_region_abt.html
 
b/tp/tests/indices/res_parser/index_special_region_no_region/index_special_region_no_region_abt.html
index 049b7743b0..6a0ca367a8 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_no_region/index_special_region_no_region_abt.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_no_region/index_special_region_no_region_abt.html
@@ -21,6 +21,8 @@ domain.
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -51,56 +53,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_no_region_html/Copying-and-indices.html
 
b/tp/tests/indices/res_parser/index_special_region_no_region_html/Copying-and-indices.html
index 767b57d071..d6d869da0f 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_no_region_html/Copying-and-indices.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_no_region_html/Copying-and-indices.html
@@ -24,6 +24,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -71,7 +73,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices-1_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Copying-appendix">Copying appendix</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
@@ -100,7 +102,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices-1_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-another-fun"><code>another fun</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Appendix A 
Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_no_region_html/index.html 
b/tp/tests/indices/res_parser/index_special_region_no_region_html/index.html
index 1e5f092736..c9c0432d92 100644
--- a/tp/tests/indices/res_parser/index_special_region_no_region_html/index.html
+++ b/tp/tests/indices/res_parser/index_special_region_no_region_html/index.html
@@ -24,6 +24,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -51,7 +53,7 @@ domain<a class="footnote" id="DOCF1" 
href="index_special_region_no_region_fot.ht
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="Copying-and-indices.html#index-Copying-appendix">Copying 
appendix</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="Copying-and-indices.html">Appendix A Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/index_special_region_no_region_html/index_special_region_no_region_abt.html
 
b/tp/tests/indices/res_parser/index_special_region_no_region_html/index_special_region_no_region_abt.html
index 6f1c18274a..28c34d9c32 100644
--- 
a/tp/tests/indices/res_parser/index_special_region_no_region_html/index_special_region_no_region_abt.html
+++ 
b/tp/tests/indices/res_parser/index_special_region_no_region_html/index_special_region_no_region_abt.html
@@ -21,6 +21,8 @@ domain.
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -51,56 +53,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/indices/res_parser/index_table/index_table_abt.html 
b/tp/tests/indices/res_parser/index_table/index_table_abt.html
index f9514f81a7..34da33ec46 100644
--- a/tp/tests/indices/res_parser/index_table/index_table_abt.html
+++ b/tp/tests/indices/res_parser/index_table/index_table_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/indices/res_parser/index_table/indices-refs.html 
b/tp/tests/indices/res_parser/index_table/indices-refs.html
index 4f0a62a55d..7b215d9857 100644
--- a/tp/tests/indices/res_parser/index_table/indices-refs.html
+++ b/tp/tests/indices/res_parser/index_table/indices-refs.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -242,7 +244,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Indices-refs_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021oncept">!oncept</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#indices-refs">3 Indices 
refs</a></td></tr>
diff --git a/tp/tests/indices/res_parser/index_table/node-with-printindex.html 
b/tp/tests/indices/res_parser/index_table/node-with-printindex.html
index b82e3af55c..332f55347f 100644
--- a/tp/tests/indices/res_parser/index_table/node-with-printindex.html
+++ b/tp/tests/indices/res_parser/index_table/node-with-printindex.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -50,7 +52,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="node-with-printindex-1_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="node-with-ftable-and-vtable.html#index-fun1"><code>fun1</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="node-with-ftable-and-vtable.html">1 
first node chapter, with ftable and vtable</a></td></tr>
@@ -68,7 +70,7 @@ td.printindex-index-section {vertical-align: top}
 </div>
 <div class="printindex vr-printindex">
 <table class="vr-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="node-with-printindex-1_vr_letter-V">V</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="node-with-ftable-and-vtable.html#index-var1"><code>var1</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="node-with-ftable-and-vtable.html">1 
first node chapter, with ftable and vtable</a></td></tr>
@@ -142,7 +144,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="node-with-printindex-1_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="indices-refs.html#index-_0021oncept">!oncept</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="indices-refs.html#indices-refs">3 
Indices refs</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/indices_in_begin_tables_lists/indices_in_begin_tables_lists.html
 
b/tp/tests/indices/res_parser/indices_in_begin_tables_lists/indices_in_begin_tables_lists.html
index eafafb179c..ac2d9b53a5 100644
--- 
a/tp/tests/indices/res_parser/indices_in_begin_tables_lists/indices_in_begin_tables_lists.html
+++ 
b/tp/tests/indices/res_parser/indices_in_begin_tables_lists/indices_in_begin_tables_lists.html
@@ -18,8 +18,12 @@ a.copiable-link {visibility: hidden; text-decoration: none; 
line-height: 0em}
 a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 -->
@@ -232,7 +236,7 @@ enum
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="printindex-1_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-also-a-cindex-in-itemize">also a cindex in 
itemize</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chap</a></td></tr>
@@ -291,7 +295,7 @@ enum
  &nbsp; 
 </td></tr></table>
 <table class="vr-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="printindex-1_vr_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-aasis_002d_002db"><code>aasis--b</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chap</a></td></tr>
@@ -319,7 +323,7 @@ enum
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="printindex-1_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-avar_002d_002db"><code>avar--b</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chap</a></td></tr>
@@ -371,56 +375,56 @@ enum
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/chapter.html
 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/chapter.html
index 1b8a0e340e..5e213e9b22 100644
--- 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/chapter.html
+++ 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/chapter.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -63,7 +65,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="A-chapter_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html">top section</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/index.html
 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/index.html
index a178ce3c4d..27ce35ed6a 100644
--- 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/index.html
+++ 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/index.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -60,7 +62,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -131,7 +133,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -210,7 +212,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -288,7 +290,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -348,7 +350,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -391,7 +393,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -481,7 +483,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -553,7 +555,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -601,7 +603,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
@@ -675,7 +677,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="top-section_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top section</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/nodes_before_top_and_sections_abt.html
 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/nodes_before_top_and_sections_abt.html
index 9011850bab..182a23da3a 100644
--- 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/nodes_before_top_and_sections_abt.html
+++ 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter/nodes_before_top_and_sections_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/chapter.html
 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/chapter.html
index fd152cb133..1b4a6a590d 100644
--- 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/chapter.html
+++ 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/chapter.html
@@ -18,6 +18,8 @@ a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -63,7 +65,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/first-before-top.html
 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/first-before-top.html
index be02dc42d2..be7f313eb9 100644
--- 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/first-before-top.html
+++ 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/first-before-top.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -68,7 +70,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
@@ -139,7 +141,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
@@ -235,7 +237,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="node-in-menu-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/index.html
 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/index.html
index 39b362a0da..c2e9050a27 100644
--- 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/index.html
+++ 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/index.html
@@ -20,6 +20,8 @@ td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -58,7 +60,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -118,7 +120,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#a-node">a node</a></td></tr>
@@ -161,7 +163,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -268,7 +270,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -357,7 +359,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="second_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#a-node">a node</a></td></tr>
@@ -439,7 +441,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -513,7 +515,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/nodes_before_top_and_sections_abt.html
 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/nodes_before_top_and_sections_abt.html
index 04c33fdcfe..ceaefd0bee 100644
--- 
a/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/nodes_before_top_and_sections_abt.html
+++ 
b/tp/tests/indices/res_parser/nodes_before_top_and_sections_html_chapter_nodes/nodes_before_top_and_sections_abt.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -45,56 +47,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/printindex_between_node_section/printindex_between_node_section.html
 
b/tp/tests/indices/res_parser/printindex_between_node_section/printindex_between_node_section.html
index 78546e131a..a8376117b6 100644
--- 
a/tp/tests/indices/res_parser/printindex_between_node_section/printindex_between_node_section.html
+++ 
b/tp/tests/indices/res_parser/printindex_between_node_section/printindex_between_node_section.html
@@ -16,10 +16,14 @@
 <!--
 a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -110,7 +114,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="section1_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-aop1">aop1</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top</a></td></tr>
@@ -168,56 +172,56 @@ td.printindex-index-section {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser/printindex_between_part_chapter/printindex_between_part_chapter.html
 
b/tp/tests/indices/res_parser/printindex_between_part_chapter/printindex_between_part_chapter.html
index 231ea35be4..ef8e5f3426 100644
--- 
a/tp/tests/indices/res_parser/printindex_between_part_chapter/printindex_between_part_chapter.html
+++ 
b/tp/tests/indices/res_parser/printindex_between_part_chapter/printindex_between_part_chapter.html
@@ -16,10 +16,14 @@
 <!--
 a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -92,7 +96,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-aop1">aop1</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">top</a></td></tr>
@@ -171,56 +175,56 @@ td.printindex-index-section {vertical-align: top}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/indices/res_parser_info/index_special_region_html/Copying-and-indices.html
 
b/tp/tests/indices/res_parser_info/index_special_region_html/Copying-and-indices.html
index 7301822288..b285e91277 100644
--- 
a/tp/tests/indices/res_parser_info/index_special_region_html/Copying-and-indices.html
+++ 
b/tp/tests/indices/res_parser_info/index_special_region_html/Copying-and-indices.html
@@ -27,6 +27,8 @@ domain.
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -68,7 +70,7 @@ domain<a class="footnote" id="DOCF1_2" 
href="#FOOT1_2"><sup>2</sup></a>.
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Copying-appendix">Copying appendix</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Copying and 
indices</a></td></tr>
@@ -101,7 +103,7 @@ domain<a class="footnote" id="DOCF1_2" 
href="#FOOT1_2"><sup>2</sup></a>.
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Copying-appendix">Copying appendix</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Copying and 
indices</a></td></tr>
@@ -130,7 +132,7 @@ domain<a class="footnote" id="DOCF1_2" 
href="#FOOT1_2"><sup>2</sup></a>.
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-another-fun"><code>another fun</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Copying and 
indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser_info/index_special_region_html/index.html 
b/tp/tests/indices/res_parser_info/index_special_region_html/index.html
index 16919fd8a8..ad39d6fac0 100644
--- a/tp/tests/indices/res_parser_info/index_special_region_html/index.html
+++ b/tp/tests/indices/res_parser_info/index_special_region_html/index.html
@@ -28,6 +28,8 @@ a.summary-letter-printindex {text-decoration: none}
 span:hover a.copiable-link {visibility: visible}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -74,7 +76,7 @@ domain<a class="footnote" id="DOCF1" 
href="#FOOT1"><sup>1</sup></a>.
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="Copying-and-indices.html#index-Copying-appendix">Copying 
appendix</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="Copying-and-indices.html">Copying and indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser_info/index_special_region_no_insertcopying_html/Copying-and-indices.html
 
b/tp/tests/indices/res_parser_info/index_special_region_no_insertcopying_html/Copying-and-indices.html
index fe3e6aba50..11459b3521 100644
--- 
a/tp/tests/indices/res_parser_info/index_special_region_no_insertcopying_html/Copying-and-indices.html
+++ 
b/tp/tests/indices/res_parser_info/index_special_region_no_insertcopying_html/Copying-and-indices.html
@@ -26,6 +26,8 @@ domain.
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -62,7 +64,7 @@ Up: <a href="index.html" accesskey="u" rel="up">Top</a> 
&nbsp; [<a href="index.h
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Copying-appendix">Copying appendix</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Copying and 
indices</a></td></tr>
@@ -91,7 +93,7 @@ Up: <a href="index.html" accesskey="u" rel="up">Top</a> 
&nbsp; [<a href="index.h
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-another-fun"><code>another fun</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Copying and 
indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser_info/index_special_region_no_region_html/Copying-and-indices.html
 
b/tp/tests/indices/res_parser_info/index_special_region_no_region_html/Copying-and-indices.html
index fe3e6aba50..11459b3521 100644
--- 
a/tp/tests/indices/res_parser_info/index_special_region_no_region_html/Copying-and-indices.html
+++ 
b/tp/tests/indices/res_parser_info/index_special_region_no_region_html/Copying-and-indices.html
@@ -26,6 +26,8 @@ domain.
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -62,7 +64,7 @@ Up: <a href="index.html" accesskey="u" rel="up">Top</a> 
&nbsp; [<a href="index.h
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-Copying-appendix">Copying appendix</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Copying and 
indices</a></td></tr>
@@ -91,7 +93,7 @@ Up: <a href="index.html" accesskey="u" rel="up">Top</a> 
&nbsp; [<a href="index.h
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Copying-and-indices_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-another-fun"><code>another fun</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Copying-and-indices">Copying and 
indices</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/chapter.html
 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/chapter.html
index b83e2c799e..5550b947f5 100644
--- 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/chapter.html
+++ 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/chapter.html
@@ -21,6 +21,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -55,7 +57,7 @@ Next: <a href="#node-in-chapter" accesskey="n" 
rel="next">node in chapter</a>, U
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/first-before-top.html
 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/first-before-top.html
index 5fa455c7ee..48f66a2ece 100644
--- 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/first-before-top.html
+++ 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/first-before-top.html
@@ -21,6 +21,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -58,7 +60,7 @@ Next: <a href="index.html#Top" accesskey="n" rel="next">top 
section</a>, Up: <a
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
@@ -129,7 +131,7 @@ Next: <a href="index.html#Top" accesskey="n" rel="next">top 
section</a>, Up: <a
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
@@ -210,7 +212,7 @@ Up: <a href="#first-before-top" accesskey="u" 
rel="up">first before top</a> &nbs
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="node-in-menu-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/index.html
 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/index.html
index 68ec7ab2ac..f35bce0d09 100644
--- 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/index.html
+++ 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter/index.html
@@ -20,6 +20,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -54,7 +56,7 @@ Previous: <a href="first-before-top.html#first-before-top" 
accesskey="p" rel="pr
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -114,7 +116,7 @@ Previous: <a href="first-before-top.html#first-before-top" 
accesskey="p" rel="pr
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#a-node">a node</a></td></tr>
@@ -157,7 +159,7 @@ Previous: <a href="first-before-top.html#first-before-top" 
accesskey="p" rel="pr
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -248,7 +250,7 @@ Previous: <a href="#Top" accesskey="p" rel="prev">top 
section</a>, Up: <a href="
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -316,7 +318,7 @@ Up: <a href="#first" accesskey="u" rel="up">first</a> 
&nbsp; [<a href="first-bef
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="second_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#a-node">a node</a></td></tr>
@@ -376,7 +378,7 @@ Next: <a href="#another" accesskey="n" 
rel="next">another</a>, Up: <a href="#sec
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -450,7 +452,7 @@ Next: <a href="#another" accesskey="n" 
rel="next">another</a>, Up: <a href="#sec
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/chapter.html
 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/chapter.html
index b83e2c799e..5550b947f5 100644
--- 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/chapter.html
+++ 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/chapter.html
@@ -21,6 +21,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -55,7 +57,7 @@ Next: <a href="#node-in-chapter" accesskey="n" 
rel="next">node in chapter</a>, U
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/first-before-top.html
 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/first-before-top.html
index 5fa455c7ee..48f66a2ece 100644
--- 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/first-before-top.html
+++ 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/first-before-top.html
@@ -21,6 +21,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -58,7 +60,7 @@ Next: <a href="index.html#Top" accesskey="n" rel="next">top 
section</a>, Up: <a
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
@@ -129,7 +131,7 @@ Next: <a href="index.html#Top" accesskey="n" rel="next">top 
section</a>, Up: <a
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
@@ -210,7 +212,7 @@ Up: <a href="#first-before-top" accesskey="u" 
rel="up">first before top</a> &nbs
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="node-in-menu-before-top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-_0021-entry-in-node">! entry in 
node</a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="index.html#first">first</a></td></tr>
diff --git 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/index.html
 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/index.html
index 68ec7ab2ac..f35bce0d09 100644
--- 
a/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/index.html
+++ 
b/tp/tests/indices/res_parser_info/nodes_before_top_and_sections_html_chapter_nodes/index.html
@@ -20,6 +20,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -54,7 +56,7 @@ Previous: <a href="first-before-top.html#first-before-top" 
accesskey="p" rel="pr
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -114,7 +116,7 @@ Previous: <a href="first-before-top.html#first-before-top" 
accesskey="p" rel="pr
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#a-node">a node</a></td></tr>
@@ -157,7 +159,7 @@ Previous: <a href="first-before-top.html#first-before-top" 
accesskey="p" rel="pr
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -248,7 +250,7 @@ Previous: <a href="#Top" accesskey="p" rel="prev">top 
section</a>, Up: <a href="
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="first_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -316,7 +318,7 @@ Up: <a href="#first" accesskey="u" rel="up">first</a> 
&nbsp; [<a href="first-bef
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="second_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-function"><code>a function</code></a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#a-node">a node</a></td></tr>
@@ -376,7 +378,7 @@ Next: <a href="#another" accesskey="n" 
rel="next">another</a>, Up: <a href="#sec
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
@@ -450,7 +452,7 @@ Next: <a href="#another" accesskey="n" 
rel="next">another</a>, Up: <a href="#sec
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="a-node_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-_0021-entry-in-node">! entry in node</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#first">first</a></td></tr>
diff --git a/tp/tests/layout/res_parser/formatting/formatting.html 
b/tp/tests/layout/res_parser/formatting/formatting.html
index f2b84cf70f..bedc91517e 100644
--- a/tp/tests/layout/res_parser/formatting/formatting.html
+++ b/tp/tests/layout/res_parser/formatting/formatting.html
@@ -866,10 +866,15 @@ span.program-in-footer {font-size: smaller}
 span.r {font-family: initial; font-weight: normal; font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.menu-comment {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -3060,7 +3065,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#chapter" rel="index">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
@@ -6525,7 +6530,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -6537,7 +6542,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -6574,7 +6579,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6798,7 +6803,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7088,7 +7093,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7137,9 +7142,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#subsection">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
@@ -7264,7 +7269,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7486,7 +7491,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7877,56 +7882,56 @@ Menu comment
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_chm/chapter.html 
b/tp/tests/layout/res_parser/formatting_chm/chapter.html
index 711087ab4f..04bce0a6a0 100644
--- a/tp/tests/layout/res_parser/formatting_chm/chapter.html
+++ b/tp/tests/layout/res_parser/formatting_chm/chapter.html
@@ -862,6 +862,8 @@ span.sansserif {font-family: sans-serif; font-weight: 
normal}
 span:hover a.copiable-link {visibility: visible}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -4312,7 +4314,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -4324,7 +4326,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -4361,7 +4363,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.html#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="formatting.html">Top 
section</a></td></tr>
@@ -4585,7 +4587,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.html#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="formatting.html">Top 
section</a></td></tr>
@@ -4875,7 +4877,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.html#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="formatting.html">Top 
section</a></td></tr>
diff --git a/tp/tests/layout/res_parser/formatting_chm/chapter2.html 
b/tp/tests/layout/res_parser/formatting_chm/chapter2.html
index 28018bce94..28de25fb3d 100644
--- a/tp/tests/layout/res_parser/formatting_chm/chapter2.html
+++ b/tp/tests/layout/res_parser/formatting_chm/chapter2.html
@@ -850,6 +850,8 @@ a.summary-letter-printindex {text-decoration: none}
 h1.centerchap {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -888,7 +890,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.html#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="formatting.html">Top 
section</a></td></tr>
@@ -1110,7 +1112,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.html#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="formatting.html">Top 
section</a></td></tr>
diff --git a/tp/tests/layout/res_parser/formatting_chm/formatting_abt.html 
b/tp/tests/layout/res_parser/formatting_chm/formatting_abt.html
index 00bcacf621..e15650ed9d 100644
--- a/tp/tests/layout/res_parser/formatting_chm/formatting_abt.html
+++ b/tp/tests/layout/res_parser/formatting_chm/formatting_abt.html
@@ -844,6 +844,12 @@ g-roupe
 <meta name="Generator" content="texi2any">
 <meta name="viewport" content="width=device-width,initial-scale=1">
 
+<style type="text/css">
+<!--
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
+-->
+</style>
 
 
 </head>
@@ -866,56 +872,56 @@ g-roupe
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_enable_encoding/formatting.html 
b/tp/tests/layout/res_parser/formatting_enable_encoding/formatting.html
index 39f02cb0da..95a85eba9b 100644
--- a/tp/tests/layout/res_parser/formatting_enable_encoding/formatting.html
+++ b/tp/tests/layout/res_parser/formatting_enable_encoding/formatting.html
@@ -866,10 +866,15 @@ span.program-in-footer {font-size: smaller}
 span.r {font-family: initial; font-weight: normal; font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.menu-comment {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -3060,7 +3065,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#chapter" rel="index">1 
chapter</a></td><td>  </td><td class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
@@ -6525,7 +6530,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td> </td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index Entry</th><td> 
</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td> </td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -6537,7 +6542,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td> </td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index Entry</th><td> 
</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> tẽ --- î</code></a></td><td> </td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -6574,7 +6579,7 @@ Invalid use of @':
    
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td> </td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index Entry</th><td> 
</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">“</a></td><td> </td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6798,7 +6803,7 @@ Invalid use of @':
    
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td> </td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index Entry</th><td> 
</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td> 
</td><td class="printindex-index-section"><a href="#Top">Top 
section</a></td></tr>
@@ -7088,7 +7093,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td> </td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index Entry</th><td> 
</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>
 </td><td class="printindex-index-section"><a href="#Top">Top 
section</a></td></tr>
@@ -7137,9 +7142,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#subsection">1.1.1 
subsection</a></td><td>  </td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection “simple-double–</a></td><td>  </td><td 
class="menu-entry-description">
 </td></tr>
@@ -7264,7 +7269,7 @@ Menu comment
    
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td> </td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index Entry</th><td> 
</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">“</a></td><td> </td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7486,7 +7491,7 @@ Menu comment
    
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td> </td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index Entry</th><td> 
</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td> 
</td><td class="printindex-index-section"><a href="#Top">Top 
section</a></td></tr>
@@ -7877,56 +7882,56 @@ Menu comment
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td>   </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td>   </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td>   </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td>   </td>
   </tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/chapter.xhtml
 
b/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/chapter.xhtml
index 8ef1115b80..1f69ebf6f3 100644
--- 
a/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/chapter.xhtml
+++ 
b/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/chapter.xhtml
@@ -861,6 +861,8 @@ span.r {font-family: initial; font-weight: normal; 
font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -4312,7 +4314,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&#160;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -4324,7 +4326,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&#238;</code></a></td><td>&#160;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -4361,7 +4363,7 @@ Invalid use of @':
  &#160; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.xhtml#index-copying-_0060_0060">&#8220;</a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="formatting.xhtml">Top 
section</a></td></tr>
@@ -4585,7 +4587,7 @@ Invalid use of @':
  &#160; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.xhtml#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="formatting.xhtml">Top 
section</a></td></tr>
@@ -4875,7 +4877,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.xhtml#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="formatting.xhtml">Top 
section</a></td></tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/chapter2.xhtml
 
b/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/chapter2.xhtml
index 5846621440..db976a8c68 100644
--- 
a/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/chapter2.xhtml
+++ 
b/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/chapter2.xhtml
@@ -851,6 +851,8 @@ a.summary-letter-printindex {text-decoration: none}
 h1.centerchap {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -890,7 +892,7 @@ td.printindex-index-section {vertical-align: top}
  &#160; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.xhtml#index-copying-_0060_0060">&#8220;</a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="formatting.xhtml">Top 
section</a></td></tr>
@@ -1112,7 +1114,7 @@ td.printindex-index-section {vertical-align: top}
  &#160; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.xhtml#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="formatting.xhtml">Top 
section</a></td></tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/formatting_abt.xhtml
 
b/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/formatting_abt.xhtml
index 928c9236a6..62861f8625 100644
--- 
a/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/formatting_abt.xhtml
+++ 
b/tp/tests/layout/res_parser/formatting_epub/formatting_epub_package/EPUB/xhtml/formatting_abt.xhtml
@@ -845,6 +845,12 @@ g-roupe
 <meta name="Generator" content="texi2any"/>
 <meta name="viewport" content="width=device-width,initial-scale=1"/>
 
+<style type="text/css">
+<!--
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
+-->
+</style>
 
 
 </head>
@@ -867,56 +873,56 @@ g-roupe
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &#160; </td>
   </tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/chapter.xhtml
 
b/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/chapter.xhtml
index 51d1d7015f..ba338b30e8 100644
--- 
a/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/chapter.xhtml
+++ 
b/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/chapter.xhtml
@@ -861,6 +861,8 @@ span.r {font-family: initial; font-weight: normal; 
font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -4313,7 +4315,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&#160;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -4325,7 +4327,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&#238;</code></a></td><td>&#160;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -4362,7 +4364,7 @@ Invalid use of @':
  &#160; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.xhtml#index-copying-_0060_0060">&#8220;</a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="formatting.xhtml">Top 
section</a></td></tr>
@@ -4586,7 +4588,7 @@ Invalid use of @':
  &#160; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.xhtml#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="formatting.xhtml">Top 
section</a></td></tr>
@@ -4876,7 +4878,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.xhtml#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="formatting.xhtml">Top 
section</a></td></tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/chapter2.xhtml
 
b/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/chapter2.xhtml
index f4aefdf650..2475c8fa47 100644
--- 
a/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/chapter2.xhtml
+++ 
b/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/chapter2.xhtml
@@ -851,6 +851,8 @@ a.summary-letter-printindex {text-decoration: none}
 h1.centerchap {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -891,7 +893,7 @@ td.printindex-index-section {vertical-align: top}
  &#160; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.xhtml#index-copying-_0060_0060">&#8220;</a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="formatting.xhtml">Top 
section</a></td></tr>
@@ -1113,7 +1115,7 @@ td.printindex-index-section {vertical-align: top}
  &#160; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> </td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="formatting.xhtml#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="formatting.xhtml">Top 
section</a></td></tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/formatting_abt.xhtml
 
b/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/formatting_abt.xhtml
index e04671ca26..6fba7c8c72 100644
--- 
a/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/formatting_abt.xhtml
+++ 
b/tp/tests/layout/res_parser/formatting_epub_nodes/formatting_epub_package/EPUB/xhtml/formatting_abt.xhtml
@@ -845,6 +845,12 @@ g-roupe
 <meta name="Generator" content="texi2any"/>
 <meta name="viewport" content="width=device-width,initial-scale=1"/>
 
+<style type="text/css">
+<!--
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
+-->
+</style>
 
 <link rel="stylesheet" type="text/css" href="../js/info.css"/>
 <script src="../js/modernizr.js" type="text/javascript"></script>
@@ -869,56 +875,56 @@ g-roupe
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &#160; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_exotic/chapter.html 
b/tp/tests/layout/res_parser/formatting_exotic/chapter.html
index 6cbf62aa56..54123d9774 100644
--- a/tp/tests/layout/res_parser/formatting_exotic/chapter.html
+++ b/tp/tests/layout/res_parser/formatting_exotic/chapter.html
@@ -861,8 +861,12 @@ span.program-in-footer {font-size: smaller}
 span.r {font-family: initial; font-weight: normal; font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 span:hover a.copiable-link {visibility: visible}
+td.call-def {text-align:left}
+td.category-def {text-align:right}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -1444,220 +1448,220 @@ $ wget 
'http://savannah.gnu.org/cgi-bin/viewcvs/config/config/config.sub?rev=HEA
 </pre></div>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-copying-d_002d_002deffn_005fname"><td 
align="left"><code class="def-name">d--effn_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c&ndash;ategory]</td></tr>
+<tr class="deffn" id="index-copying-d_002d_002deffn_005fname"><td 
class="call-def"><code class="def-name">d--effn_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;effn
 </p></td></tr></table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-copying-de_002d_002dffn_005fname"><td 
align="left"><code class="def-name">de--ffn_name</code> <var 
class="def-meta-var-arguments">ar&ndash;guments    more args <br> even more 
so</var></td><td class="category-def" align="right">[cate&ndash;gory]</td></tr>
+<tr class="deffn" id="index-copying-de_002d_002dffn_005fname"><td 
class="call-def"><code class="def-name">de--ffn_name</code> <var 
class="def-meta-var-arguments">ar&ndash;guments    more args <br> even more 
so</var></td><td class="category-def">[cate&ndash;gory]</td></tr>
 <tr><td colspan="2"><p>def&ndash;fn
 </p></td></tr></table>
  
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-copying-i"><td align="left"><code 
class="def-name"><var class="var">i</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td class="category-def" 
align="right">[fset]</td></tr>
+<tr class="deffn" id="index-copying-i"><td class="call-def"><code 
class="def-name"><var class="var">i</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td 
class="category-def">[fset]</td></tr>
 <tr><td colspan="2"><a class="index-entry-id" 
id="index-copying-index-entry-within-deffn"></a>
-</td></tr><tr class="deffnx def-cmd-deffn" id="index-copying-truc"><td 
align="left"><code class="def-name">truc</code></td><td class="category-def" 
align="right">[cmde]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-log-trap"><td 
align="left"><code class="def-name">log trap</code></td><td 
class="category-def" align="right">[Command]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-log-trap1"><td 
align="left"><code class="def-name">log trap1</code></td><td 
class="category-def" align="right">[Command]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-log-trap2"><td 
align="left"><code class="def-name">log trap2</code></td><td 
class="category-def" align="right">[Command]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-id-ule"><td 
align="left"><code class="def-name"><b class="b">id ule</b></code> <var 
class="def-meta-var-arguments">truc</var></td><td class="category-def" 
align="right">[cmde]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-id-i-ule"><td 
align="left"><code class="def-name"><b class="b">id &lsquo;<samp 
class="samp">i</samp>&rsquo; ule</b></code> <var 
class="def-meta-var-arguments">truc</var></td><td class="category-def" 
align="right">[cmde2]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"><code 
class="def-name"></code></td><td class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-machin"><td 
align="left"><code class="def-name">machin</code></td><td class="category-def" 
align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-bidule-machin"><td 
align="left"><code class="def-name">bidule machin</code></td><td 
class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-machin-1"><td 
align="left"><code class="def-name">machin</code></td><td class="category-def" 
align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"><code 
class="def-name"></code></td><td class="category-def" 
align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-followed"><td 
align="left"><code class="def-name">followed</code> <var 
class="def-meta-var-arguments">by a comment</var></td><td class="category-def" 
align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"><code 
class="def-name"></code></td><td class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-a"><td align="left"><code 
class="def-name">a</code> <var class="def-meta-var-arguments">b c d e <b 
class="b">f g</b> h i</var></td><td class="category-def" 
align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-deffnx"><td 
align="left"><code class="def-name">deffnx</code> <var 
class="def-meta-var-arguments">before end deffn</var></td><td 
class="category-def" align="right">[truc]</td></tr>
+</td></tr><tr class="deffnx def-cmd-deffn" id="index-copying-truc"><td 
class="call-def"><code class="def-name">truc</code></td><td 
class="category-def">[cmde]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-log-trap"><td 
class="call-def"><code class="def-name">log trap</code></td><td 
class="category-def">[Command]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-log-trap1"><td 
class="call-def"><code class="def-name">log trap1</code></td><td 
class="category-def">[Command]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-log-trap2"><td 
class="call-def"><code class="def-name">log trap2</code></td><td 
class="category-def">[Command]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-id-ule"><td 
class="call-def"><code class="def-name"><b class="b">id ule</b></code> <var 
class="def-meta-var-arguments">truc</var></td><td 
class="category-def">[cmde]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-id-i-ule"><td 
class="call-def"><code class="def-name"><b class="b">id &lsquo;<samp 
class="samp">i</samp>&rsquo; ule</b></code> <var 
class="def-meta-var-arguments">truc</var></td><td 
class="category-def">[cmde2]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"><code 
class="def-name"></code></td><td class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-machin"><td 
class="call-def"><code class="def-name">machin</code></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-bidule-machin"><td 
class="call-def"><code class="def-name">bidule machin</code></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-machin-1"><td 
class="call-def"><code class="def-name">machin</code></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"><code 
class="def-name"></code></td><td class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-followed"><td 
class="call-def"><code class="def-name">followed</code> <var 
class="def-meta-var-arguments">by a comment</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"><code 
class="def-name"></code></td><td class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-a"><td 
class="call-def"><code class="def-name">a</code> <var 
class="def-meta-var-arguments">b c d e <b class="b">f g</b> h i</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-deffnx"><td 
class="call-def"><code class="def-name">deffnx</code> <var 
class="def-meta-var-arguments">before end deffn</var></td><td 
class="category-def">[truc]</td></tr>
 </table>
 
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-copying-deffn"><td align="left"><code 
class="def-name">deffn</code></td><td class="category-def" 
align="right">[empty]</td></tr>
+<tr class="deffn" id="index-copying-deffn"><td class="call-def"><code 
class="def-name">deffn</code></td><td class="category-def">[empty]</td></tr>
 </table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-copying-deffn-1"><td align="left"><code 
class="def-name">deffn</code> <var class="def-meta-var-arguments">with 
deffnx</var></td><td class="category-def" align="right">[empty]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-deffnx-1"><td 
align="left"><code class="def-name">deffnx</code></td><td class="category-def" 
align="right">[empty]</td></tr>
+<tr class="deffn" id="index-copying-deffn-1"><td class="call-def"><code 
class="def-name">deffn</code> <var class="def-meta-var-arguments">with 
deffnx</var></td><td class="category-def">[empty]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-deffnx-1"><td 
class="call-def"><code class="def-name">deffnx</code></td><td 
class="category-def">[empty]</td></tr>
 </table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-copying-i-1"><td align="left"><code 
class="def-name"><var class="var">i</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td class="category-def" 
align="right">[fset]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-truc-1"><td 
align="left"><code class="def-name">truc</code></td><td class="category-def" 
align="right">[cmde]</td></tr>
+<tr class="deffn" id="index-copying-i-1"><td class="call-def"><code 
class="def-name"><var class="var">i</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td 
class="category-def">[fset]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-truc-1"><td 
class="call-def"><code class="def-name">truc</code></td><td 
class="category-def">[cmde]</td></tr>
 <tr><td colspan="2"><p>text in def item for second def item
 </p></td></tr></table>
 
 
 <table class="first-defvr" width="100%">
-<tr class="defvr" id="index-copying-d_002d_002defvr_005fname"><td 
align="left"><code class="def-name">d--efvr_name</code></td><td 
class="category-def" align="right">[c&ndash;ategory]</td></tr>
+<tr class="defvr" id="index-copying-d_002d_002defvr_005fname"><td 
class="call-def"><code class="def-name">d--efvr_name</code></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efvr
 </p></td></tr></table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-copying-n_002d_002dame"><td align="left"><code 
class="def-name">n--ame</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c&ndash;ategory]</td></tr>
+<tr class="deffn" id="index-copying-n_002d_002dame"><td class="call-def"><code 
class="def-name">n--ame</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;effn
 </p></td></tr></table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-copying-n_002d_002dame-1"><td align="left"><code 
class="def-name">n--ame</code></td><td class="category-def" 
align="right">[c&ndash;ategory]</td></tr>
+<tr class="deffn" id="index-copying-n_002d_002dame-1"><td 
class="call-def"><code class="def-name">n--ame</code></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;effn no arg
 </p></td></tr></table>
 
 <table class="first-deftypefn" width="100%">
-<tr class="deftypefn" id="index-copying-d_002d_002deftypefn_005fname"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[c&ndash;ategory]</td></tr>
+<tr class="deftypefn" id="index-copying-d_002d_002deftypefn_005fname"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypefn
 </p></td></tr></table>
 
 <table class="first-deftypefn" width="100%">
-<tr class="deftypefn" id="index-copying-d_002d_002deftypefn_005fname-1"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code></td><td class="category-def" 
align="right">[c&ndash;ategory]</td></tr>
+<tr class="deftypefn" id="index-copying-d_002d_002deftypefn_005fname-1"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypefn no arg
 </p></td></tr></table>
 
 <table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-copying-d_002d_002deftypeop_005fname-on-c_002d_002dlass"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[c&ndash;ategory on <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypeop" 
id="index-copying-d_002d_002deftypeop_005fname-on-c_002d_002dlass"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypeop
 </p></td></tr></table>
 
 <table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-copying-d_002d_002deftypeop_005fname-on-c_002d_002dlass-1"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code></td><td class="category-def" 
align="right">[c&ndash;ategory on <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypeop" 
id="index-copying-d_002d_002deftypeop_005fname-on-c_002d_002dlass-1"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code></td><td 
class="category-def">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypeop no arg
 </p></td></tr></table>
 
 <table class="first-deftypevr" width="100%">
-<tr class="deftypevr" id="index-copying-d_002d_002deftypevr_005fname"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypevr_name</code></td><td class="category-def" 
align="right">[c&ndash;ategory]</td></tr>
+<tr class="deftypevr" id="index-copying-d_002d_002deftypevr_005fname"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypevr_name</code></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypevr
 </p></td></tr></table>
 
 <table class="first-defcv" width="100%">
-<tr class="defcv" id="index-copying-d_002d_002defcv_005fname"><td 
align="left"><code class="def-name">d--efcv_name</code></td><td 
class="category-def" align="right">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defcv" id="index-copying-d_002d_002defcv_005fname"><td 
class="call-def"><code class="def-name">d--efcv_name</code></td><td 
class="category-def">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efcv
 </p></td></tr></table>
 
 <table class="first-defcv" width="100%">
-<tr class="defcv" id="index-copying-d_002d_002defcv_005fname-1"><td 
align="left"><code class="def-name">d--efcv_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defcv" id="index-copying-d_002d_002defcv_005fname-1"><td 
class="call-def"><code class="def-name">d--efcv_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efcv with arguments
 </p></td></tr></table>
 
 <table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-copying-d_002d_002deftypecv_005fname-of-c_002d_002dlass"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code></td><td class="category-def" 
align="right">[c&ndash;ategory of <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypecv" 
id="index-copying-d_002d_002deftypecv_005fname-of-c_002d_002dlass"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code></td><td 
class="category-def">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypecv
 </p></td></tr></table>
 
 <table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-copying-d_002d_002deftypecv_005fname-of-c_002d_002dlass-1"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[c&ndash;ategory of <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypecv" 
id="index-copying-d_002d_002deftypecv_005fname-of-c_002d_002dlass-1"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypecv with arguments
 </p></td></tr></table>
 
 <table class="first-defop" width="100%">
-<tr class="defop" 
id="index-copying-d_002d_002defop_005fname-on-c_002d_002dlass"><td 
align="left"><code class="def-name">d--efop_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defop" 
id="index-copying-d_002d_002defop_005fname-on-c_002d_002dlass"><td 
class="call-def"><code class="def-name">d--efop_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efop
 </p></td></tr></table>
 
 <table class="first-defop" width="100%">
-<tr class="defop" 
id="index-copying-d_002d_002defop_005fname-on-c_002d_002dlass-1"><td 
align="left"><code class="def-name">d--efop_name</code></td><td 
class="category-def" align="right">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defop" 
id="index-copying-d_002d_002defop_005fname-on-c_002d_002dlass-1"><td 
class="call-def"><code class="def-name">d--efop_name</code></td><td 
class="category-def">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efop no arg
 </p></td></tr></table>
 
 <table class="first-deftp" width="100%">
-<tr class="deftp" id="index-copying-d_002d_002deftp_005fname"><td 
align="left"><code class="def-name">d--eftp_name</code> <var 
class="def-meta-var-arguments">a&ndash;ttributes...</var></td><td 
class="category-def" align="right">[c&ndash;ategory]</td></tr>
+<tr class="deftp" id="index-copying-d_002d_002deftp_005fname"><td 
class="call-def"><code class="def-name">d--eftp_name</code> <var 
class="def-meta-var-arguments">a&ndash;ttributes...</var></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftp
 </p></td></tr></table>
 
 <table class="first-deffn first-defun-alias-first-deffn" width="100%">
-<tr class="deffn defun-alias-deffn" 
id="index-copying-d_002d_002defun_005fname"><td align="left"><code 
class="def-name">d--efun_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Function]</td></tr>
+<tr class="deffn defun-alias-deffn" 
id="index-copying-d_002d_002defun_005fname"><td class="call-def"><code 
class="def-name">d--efun_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Function]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efun
 </p></td></tr></table>
 
 <table class="first-deffn first-defmac-alias-first-deffn" width="100%">
-<tr class="deffn defmac-alias-deffn" 
id="index-copying-d_002d_002defmac_005fname"><td align="left"><code 
class="def-name">d--efmac_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Macro]</td></tr>
+<tr class="deffn defmac-alias-deffn" 
id="index-copying-d_002d_002defmac_005fname"><td class="call-def"><code 
class="def-name">d--efmac_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Macro]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efmac
 </p></td></tr></table>
 
 <table class="first-deffn first-defspec-alias-first-deffn" width="100%">
-<tr class="deffn defspec-alias-deffn" 
id="index-copying-d_002d_002defspec_005fname"><td align="left"><code 
class="def-name">d--efspec_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Special Form]</td></tr>
+<tr class="deffn defspec-alias-deffn" 
id="index-copying-d_002d_002defspec_005fname"><td class="call-def"><code 
class="def-name">d--efspec_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Special Form]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efspec
 </p></td></tr></table>
 
 <table class="first-defvr first-defvar-alias-first-defvr" width="100%">
-<tr class="defvr defvar-alias-defvr" 
id="index-copying-d_002d_002defvar_005fname"><td align="left"><code 
class="def-name">d--efvar_name</code></td><td class="category-def" 
align="right">[Variable]</td></tr>
+<tr class="defvr defvar-alias-defvr" 
id="index-copying-d_002d_002defvar_005fname"><td class="call-def"><code 
class="def-name">d--efvar_name</code></td><td 
class="category-def">[Variable]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efvar
 </p></td></tr></table>
 
 <table class="first-defvr first-defvar-alias-first-defvr" width="100%">
-<tr class="defvr defvar-alias-defvr" 
id="index-copying-d_002d_002defvar_005fname-1"><td align="left"><code 
class="def-name">d--efvar_name</code> <var 
class="def-meta-var-arguments">arg&ndash;var arg&ndash;var1</var></td><td 
class="category-def" align="right">[Variable]</td></tr>
+<tr class="defvr defvar-alias-defvr" 
id="index-copying-d_002d_002defvar_005fname-1"><td class="call-def"><code 
class="def-name">d--efvar_name</code> <var 
class="def-meta-var-arguments">arg&ndash;var arg&ndash;var1</var></td><td 
class="category-def">[Variable]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efvar with args
 </p></td></tr></table>
 
 <table class="first-defvr first-defopt-alias-first-defvr" width="100%">
-<tr class="defvr defopt-alias-defvr" 
id="index-copying-d_002d_002defopt_005fname"><td align="left"><code 
class="def-name">d--efopt_name</code></td><td class="category-def" 
align="right">[User Option]</td></tr>
+<tr class="defvr defopt-alias-defvr" 
id="index-copying-d_002d_002defopt_005fname"><td class="call-def"><code 
class="def-name">d--efopt_name</code></td><td class="category-def">[User 
Option]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efopt
 </p></td></tr></table>
 
 <table class="first-deftypefn first-deftypefun-alias-first-deftypefn" 
width="100%">
-<tr class="deftypefn deftypefun-alias-deftypefn" 
id="index-copying-d_002d_002deftypefun_005fname"><td align="left"><code 
class="def-type">t--ype</code> <code class="def-name">d--eftypefun_name</code> 
<code class="def-code-arguments">a--rguments...</code></td><td 
class="category-def" align="right">[Function]</td></tr>
+<tr class="deftypefn deftypefun-alias-deftypefn" 
id="index-copying-d_002d_002deftypefun_005fname"><td class="call-def"><code 
class="def-type">t--ype</code> <code class="def-name">d--eftypefun_name</code> 
<code class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[Function]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypefun
 </p></td></tr></table>
 
 <table class="first-deftypevr first-deftypevar-alias-first-deftypevr" 
width="100%">
-<tr class="deftypevr deftypevar-alias-deftypevr" 
id="index-copying-d_002d_002deftypevar_005fname"><td align="left"><code 
class="def-type">t--ype</code> <code 
class="def-name">d--eftypevar_name</code></td><td class="category-def" 
align="right">[Variable]</td></tr>
+<tr class="deftypevr deftypevar-alias-deftypevr" 
id="index-copying-d_002d_002deftypevar_005fname"><td class="call-def"><code 
class="def-type">t--ype</code> <code 
class="def-name">d--eftypevar_name</code></td><td 
class="category-def">[Variable]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypevar
 </p></td></tr></table>
 
 <table class="first-defcv first-defivar-alias-first-defcv" width="100%">
-<tr class="defcv defivar-alias-defcv" 
id="index-copying-d_002d_002defivar_005fname-of-c_002d_002dlass"><td 
align="left"><code class="def-name">d--efivar_name</code></td><td 
class="category-def" align="right">[Instance Variable of <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defcv defivar-alias-defcv" 
id="index-copying-d_002d_002defivar_005fname-of-c_002d_002dlass"><td 
class="call-def"><code class="def-name">d--efivar_name</code></td><td 
class="category-def">[Instance Variable of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efivar
 </p></td></tr></table>
 
 <table class="first-deftypecv first-deftypeivar-alias-first-deftypecv" 
width="100%">
-<tr class="deftypecv deftypeivar-alias-deftypecv" 
id="index-copying-d_002d_002deftypeivar_005fname-of-c_002d_002dlass"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeivar_name</code></td><td class="category-def" 
align="right">[Instance Variable of <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypecv deftypeivar-alias-deftypecv" 
id="index-copying-d_002d_002deftypeivar_005fname-of-c_002d_002dlass"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeivar_name</code></td><td 
class="category-def">[Instance Variable of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypeivar
 </p></td></tr></table>
 
 <table class="first-defop first-defmethod-alias-first-defop" width="100%">
-<tr class="defop defmethod-alias-defop" 
id="index-copying-d_002d_002defmethod_005fname-on-c_002d_002dlass"><td 
align="left"><code class="def-name">d--efmethod_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Method on <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defop defmethod-alias-defop" 
id="index-copying-d_002d_002defmethod_005fname-on-c_002d_002dlass"><td 
class="call-def"><code class="def-name">d--efmethod_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Method on <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efmethod
 </p></td></tr></table>
 
 <table class="first-deftypeop first-deftypemethod-alias-first-deftypeop" 
width="100%">
-<tr class="deftypeop deftypemethod-alias-deftypeop" 
id="index-copying-d_002d_002deftypemethod_005fname-on-c_002d_002dlass"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypemethod_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[Method on <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypeop deftypemethod-alias-deftypeop" 
id="index-copying-d_002d_002deftypemethod_005fname-on-c_002d_002dlass"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypemethod_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[Method on <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypemethod
 </p></td></tr></table>
 
 
 <table class="first-deftypefn first-deftypefun-alias-first-deftypefn" 
width="100%">
-<tr class="deftypefn deftypefun-alias-deftypefn" id="index-copying-name2"><td 
align="left"><code class="def-type">data-type2</code><br> <code 
class="def-name">name2</code> <code 
class="def-code-arguments">arguments2...</code></td><td class="category-def" 
align="right">[Function]</td></tr>
+<tr class="deftypefn deftypefun-alias-deftypefn" id="index-copying-name2"><td 
class="call-def"><code class="def-type">data-type2</code><br> <code 
class="def-name">name2</code> <code 
class="def-code-arguments">arguments2...</code></td><td 
class="category-def">[Function]</td></tr>
 <tr><td colspan="2"><p>aaa2
 </p></td></tr></table>
 
 <table class="first-deftypefn" width="100%">
-<tr class="deftypefn" id="index-copying-d_002d_002deftypefn_005fname2"><td 
align="left"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypefn_name2</code></td><td class="category-def" 
align="right">[c&ndash;ategory2]</td></tr>
+<tr class="deftypefn" id="index-copying-d_002d_002deftypefn_005fname2"><td 
class="call-def"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypefn_name2</code></td><td 
class="category-def">[c&ndash;ategory2]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypefn no arg2
 </p></td></tr></table>
 
 <table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-copying-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2"><td 
align="left"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td class="category-def" 
align="right">[c&ndash;ategory2 on <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypeop" 
id="index-copying-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2"><td 
class="call-def"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td 
class="category-def">[c&ndash;ategory2 on <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypeop2
 </p></td></tr></table>
 
 <table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-copying-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2-1"><td 
align="left"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code></td><td class="category-def" 
align="right">[c&ndash;ategory2 on <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypeop" 
id="index-copying-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2-1"><td 
class="call-def"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code></td><td 
class="category-def">[c&ndash;ategory2 on <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypeop no arg2
 </p></td></tr></table>
 
 <table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-copying-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2"><td 
align="left"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code></td><td class="category-def" 
align="right">[c&ndash;ategory2 of <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypecv" 
id="index-copying-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2"><td 
class="call-def"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code></td><td 
class="category-def">[c&ndash;ategory2 of <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypecv2
 </p></td></tr></table>
 
 <table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-copying-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2-1"><td 
align="left"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td class="category-def" 
align="right">[c&ndash;ategory2 of <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypecv" 
id="index-copying-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2-1"><td 
class="call-def"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td 
class="category-def">[c&ndash;ategory2 of <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypecv with arguments2
 </p></td></tr></table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-copying-arg2"><td align="left"><code 
class="def-name">arg2</code></td><td class="category-def" 
align="right">[fun2]</td></tr>
+<tr class="deffn" id="index-copying-arg2"><td class="call-def"><code 
class="def-name">arg2</code></td><td class="category-def">[fun2]</td></tr>
 <tr><td colspan="2"><p>fff2
 </p></td></tr></table>
 
@@ -1918,23 +1922,23 @@ html ''
 </dl>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn"><td align="left"></td><td class="category-def" 
align="right">[fun]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-machin-2"><td 
align="left"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and</var></td><td 
class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-machin-3"><td 
align="left"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and  after</var></td><td 
class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-machin-4"><td 
align="left"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and </var></td><td 
class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-machin-5"><td 
align="left"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and and after</var></td><td 
class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-copying-followed-1"><td 
align="left"><code class="def-name">followed</code> <var 
class="def-meta-var-arguments">by a comment</var></td><td class="category-def" 
align="right">[truc]</td></tr>
+<tr class="deffn"><td class="call-def"></td><td 
class="category-def">[fun]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-machin-2"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-machin-3"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and  after</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-machin-4"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and </var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-machin-5"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and and after</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-copying-followed-1"><td 
class="call-def"><code class="def-name">followed</code> <var 
class="def-meta-var-arguments">by a comment</var></td><td 
class="category-def">[truc]</td></tr>
 <tr><td colspan="2"><p>Various deff lines
-</p></td></tr><tr class="deffnx def-cmd-deffn" id="index-copying-after"><td 
align="left"><code class="def-name">after</code> <var 
class="def-meta-var-arguments">a deff item</var></td><td class="category-def" 
align="right">[truc]</td></tr>
+</p></td></tr><tr class="deffnx def-cmd-deffn" id="index-copying-after"><td 
class="call-def"><code class="def-name">after</code> <var 
class="def-meta-var-arguments">a deff item</var></td><td 
class="category-def">[truc]</td></tr>
 </table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-copying-invalid"><td align="left"><code 
class="def-name"><var class="var">invalid</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td class="category-def" 
align="right">[fsetinv]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[<b class="b">id &lsquo;<samp 
class="samp">i</samp>&rsquo; ule</b>]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[aaa]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[truc]</td></tr>
+<tr class="deffn" id="index-copying-invalid"><td class="call-def"><code 
class="def-name"><var class="var">invalid</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td 
class="category-def">[fsetinv]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[<b class="b">id &lsquo;<samp class="samp">i</samp>&rsquo; 
ule</b>]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[aaa]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[truc]</td></tr>
 </table>
 
 <div class="group"><p>g&ndash;roupe
@@ -2520,220 +2524,220 @@ $ wget 
'http://savannah.gnu.org/cgi-bin/viewcvs/config/config/config.sub?rev=HEA
 </pre></div>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-d_002d_002deffn_005fname"><td align="left"><code 
class="def-name">d--effn_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c&ndash;ategory]</td></tr>
+<tr class="deffn" id="index-d_002d_002deffn_005fname"><td 
class="call-def"><code class="def-name">d--effn_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;effn
 </p></td></tr></table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-de_002d_002dffn_005fname"><td align="left"><code 
class="def-name">de--ffn_name</code> <var 
class="def-meta-var-arguments">ar&ndash;guments    more args <br> even more 
so</var></td><td class="category-def" align="right">[cate&ndash;gory]</td></tr>
+<tr class="deffn" id="index-de_002d_002dffn_005fname"><td 
class="call-def"><code class="def-name">de--ffn_name</code> <var 
class="def-meta-var-arguments">ar&ndash;guments    more args <br> even more 
so</var></td><td class="category-def">[cate&ndash;gory]</td></tr>
 <tr><td colspan="2"><p>def&ndash;fn
 </p></td></tr></table>
  
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-i"><td align="left"><code class="def-name"><var 
class="var">i</var></code> <var class="def-meta-var-arguments">a 
g</var></td><td class="category-def" align="right">[fset]</td></tr>
+<tr class="deffn" id="index-i"><td class="call-def"><code 
class="def-name"><var class="var">i</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td 
class="category-def">[fset]</td></tr>
 <tr><td colspan="2"><a class="index-entry-id" 
id="index-index-entry-within-deffn"></a>
-</td></tr><tr class="deffnx def-cmd-deffn" id="index-truc"><td 
align="left"><code class="def-name">truc</code></td><td class="category-def" 
align="right">[cmde]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-log-trap"><td align="left"><code 
class="def-name">log trap</code></td><td class="category-def" 
align="right">[Command]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-log-trap1"><td align="left"><code 
class="def-name">log trap1</code></td><td class="category-def" 
align="right">[Command]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-log-trap2"><td align="left"><code 
class="def-name">log trap2</code></td><td class="category-def" 
align="right">[Command]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-id-ule"><td align="left"><code 
class="def-name"><b class="b">id ule</b></code> <var 
class="def-meta-var-arguments">truc</var></td><td class="category-def" 
align="right">[cmde]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-id-i-ule"><td align="left"><code 
class="def-name"><b class="b">id &lsquo;<samp class="samp">i</samp>&rsquo; 
ule</b></code> <var class="def-meta-var-arguments">truc</var></td><td 
class="category-def" align="right">[cmde2]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"><code 
class="def-name"></code></td><td class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin"><td align="left"><code 
class="def-name">machin</code></td><td class="category-def" 
align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-bidule-machin"><td 
align="left"><code class="def-name">bidule machin</code></td><td 
class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-1"><td align="left"><code 
class="def-name">machin</code></td><td class="category-def" 
align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"><code 
class="def-name"></code></td><td class="category-def" 
align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-followed"><td align="left"><code 
class="def-name">followed</code> <var class="def-meta-var-arguments">by a 
comment</var></td><td class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"><code 
class="def-name"></code></td><td class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-a-1"><td align="left"><code 
class="def-name">a</code> <var class="def-meta-var-arguments">b c d e <b 
class="b">f g</b> h i</var></td><td class="category-def" 
align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-deffnx"><td align="left"><code 
class="def-name">deffnx</code> <var class="def-meta-var-arguments">before end 
deffn</var></td><td class="category-def" align="right">[truc]</td></tr>
+</td></tr><tr class="deffnx def-cmd-deffn" id="index-truc"><td 
class="call-def"><code class="def-name">truc</code></td><td 
class="category-def">[cmde]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-log-trap"><td 
class="call-def"><code class="def-name">log trap</code></td><td 
class="category-def">[Command]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-log-trap1"><td 
class="call-def"><code class="def-name">log trap1</code></td><td 
class="category-def">[Command]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-log-trap2"><td 
class="call-def"><code class="def-name">log trap2</code></td><td 
class="category-def">[Command]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-id-ule"><td class="call-def"><code 
class="def-name"><b class="b">id ule</b></code> <var 
class="def-meta-var-arguments">truc</var></td><td 
class="category-def">[cmde]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-id-i-ule"><td 
class="call-def"><code class="def-name"><b class="b">id &lsquo;<samp 
class="samp">i</samp>&rsquo; ule</b></code> <var 
class="def-meta-var-arguments">truc</var></td><td 
class="category-def">[cmde2]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"><code 
class="def-name"></code></td><td class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin"><td class="call-def"><code 
class="def-name">machin</code></td><td class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-bidule-machin"><td 
class="call-def"><code class="def-name">bidule machin</code></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-1"><td 
class="call-def"><code class="def-name">machin</code></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"><code 
class="def-name"></code></td><td class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-followed"><td 
class="call-def"><code class="def-name">followed</code> <var 
class="def-meta-var-arguments">by a comment</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"><code 
class="def-name"></code></td><td class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-a-1"><td class="call-def"><code 
class="def-name">a</code> <var class="def-meta-var-arguments">b c d e <b 
class="b">f g</b> h i</var></td><td class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-deffnx"><td class="call-def"><code 
class="def-name">deffnx</code> <var class="def-meta-var-arguments">before end 
deffn</var></td><td class="category-def">[truc]</td></tr>
 </table>
 
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-deffn"><td align="left"><code 
class="def-name">deffn</code></td><td class="category-def" 
align="right">[empty]</td></tr>
+<tr class="deffn" id="index-deffn"><td class="call-def"><code 
class="def-name">deffn</code></td><td class="category-def">[empty]</td></tr>
 </table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-deffn-1"><td align="left"><code 
class="def-name">deffn</code> <var class="def-meta-var-arguments">with 
deffnx</var></td><td class="category-def" align="right">[empty]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-deffnx-1"><td align="left"><code 
class="def-name">deffnx</code></td><td class="category-def" 
align="right">[empty]</td></tr>
+<tr class="deffn" id="index-deffn-1"><td class="call-def"><code 
class="def-name">deffn</code> <var class="def-meta-var-arguments">with 
deffnx</var></td><td class="category-def">[empty]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-deffnx-1"><td 
class="call-def"><code class="def-name">deffnx</code></td><td 
class="category-def">[empty]</td></tr>
 </table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-i-1"><td align="left"><code class="def-name"><var 
class="var">i</var></code> <var class="def-meta-var-arguments">a 
g</var></td><td class="category-def" align="right">[fset]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-truc-1"><td align="left"><code 
class="def-name">truc</code></td><td class="category-def" 
align="right">[cmde]</td></tr>
+<tr class="deffn" id="index-i-1"><td class="call-def"><code 
class="def-name"><var class="var">i</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td 
class="category-def">[fset]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-truc-1"><td class="call-def"><code 
class="def-name">truc</code></td><td class="category-def">[cmde]</td></tr>
 <tr><td colspan="2"><p>text in def item for second def item
 </p></td></tr></table>
 
 
 <table class="first-defvr" width="100%">
-<tr class="defvr" id="index-d_002d_002defvr_005fname"><td align="left"><code 
class="def-name">d--efvr_name</code></td><td class="category-def" 
align="right">[c&ndash;ategory]</td></tr>
+<tr class="defvr" id="index-d_002d_002defvr_005fname"><td 
class="call-def"><code class="def-name">d--efvr_name</code></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efvr
 </p></td></tr></table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-n_002d_002dame"><td align="left"><code 
class="def-name">n--ame</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c&ndash;ategory]</td></tr>
+<tr class="deffn" id="index-n_002d_002dame"><td class="call-def"><code 
class="def-name">n--ame</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;effn
 </p></td></tr></table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-n_002d_002dame-1"><td align="left"><code 
class="def-name">n--ame</code></td><td class="category-def" 
align="right">[c&ndash;ategory]</td></tr>
+<tr class="deffn" id="index-n_002d_002dame-1"><td class="call-def"><code 
class="def-name">n--ame</code></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;effn no arg
 </p></td></tr></table>
 
 <table class="first-deftypefn" width="100%">
-<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[c&ndash;ategory]</td></tr>
+<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypefn
 </p></td></tr></table>
 
 <table class="first-deftypefn" width="100%">
-<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname-1"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code></td><td class="category-def" 
align="right">[c&ndash;ategory]</td></tr>
+<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname-1"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypefn no arg
 </p></td></tr></table>
 
 <table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname-on-c_002d_002dlass"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[c&ndash;ategory on <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname-on-c_002d_002dlass"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypeop
 </p></td></tr></table>
 
 <table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname-on-c_002d_002dlass-1"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code></td><td class="category-def" 
align="right">[c&ndash;ategory on <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname-on-c_002d_002dlass-1"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code></td><td 
class="category-def">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypeop no arg
 </p></td></tr></table>
 
 <table class="first-deftypevr" width="100%">
-<tr class="deftypevr" id="index-d_002d_002deftypevr_005fname"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypevr_name</code></td><td class="category-def" 
align="right">[c&ndash;ategory]</td></tr>
+<tr class="deftypevr" id="index-d_002d_002deftypevr_005fname"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypevr_name</code></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypevr
 </p></td></tr></table>
 
 <table class="first-defcv" width="100%">
-<tr class="defcv" id="index-d_002d_002defcv_005fname"><td align="left"><code 
class="def-name">d--efcv_name</code></td><td class="category-def" 
align="right">[c&ndash;ategory of <code class="code">c--lass</code>]</td></tr>
+<tr class="defcv" id="index-d_002d_002defcv_005fname"><td 
class="call-def"><code class="def-name">d--efcv_name</code></td><td 
class="category-def">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efcv
 </p></td></tr></table>
 
 <table class="first-defcv" width="100%">
-<tr class="defcv" id="index-d_002d_002defcv_005fname-1"><td align="left"><code 
class="def-name">d--efcv_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defcv" id="index-d_002d_002defcv_005fname-1"><td 
class="call-def"><code class="def-name">d--efcv_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efcv with arguments
 </p></td></tr></table>
 
 <table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname-of-c_002d_002dlass"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code></td><td class="category-def" 
align="right">[c&ndash;ategory of <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname-of-c_002d_002dlass"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code></td><td 
class="category-def">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypecv
 </p></td></tr></table>
 
 <table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname-of-c_002d_002dlass-1"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[c&ndash;ategory of <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname-of-c_002d_002dlass-1"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[c&ndash;ategory of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypecv with arguments
 </p></td></tr></table>
 
 <table class="first-defop" width="100%">
-<tr class="defop" id="index-d_002d_002defop_005fname-on-c_002d_002dlass"><td 
align="left"><code class="def-name">d--efop_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defop" id="index-d_002d_002defop_005fname-on-c_002d_002dlass"><td 
class="call-def"><code class="def-name">d--efop_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efop
 </p></td></tr></table>
 
 <table class="first-defop" width="100%">
-<tr class="defop" id="index-d_002d_002defop_005fname-on-c_002d_002dlass-1"><td 
align="left"><code class="def-name">d--efop_name</code></td><td 
class="category-def" align="right">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defop" id="index-d_002d_002defop_005fname-on-c_002d_002dlass-1"><td 
class="call-def"><code class="def-name">d--efop_name</code></td><td 
class="category-def">[c&ndash;ategory on <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efop no arg
 </p></td></tr></table>
 
 <table class="first-deftp" width="100%">
-<tr class="deftp" id="index-d_002d_002deftp_005fname"><td align="left"><code 
class="def-name">d--eftp_name</code> <var 
class="def-meta-var-arguments">a&ndash;ttributes...</var></td><td 
class="category-def" align="right">[c&ndash;ategory]</td></tr>
+<tr class="deftp" id="index-d_002d_002deftp_005fname"><td 
class="call-def"><code class="def-name">d--eftp_name</code> <var 
class="def-meta-var-arguments">a&ndash;ttributes...</var></td><td 
class="category-def">[c&ndash;ategory]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftp
 </p></td></tr></table>
 
 <table class="first-deffn first-defun-alias-first-deffn" width="100%">
-<tr class="deffn defun-alias-deffn" id="index-d_002d_002defun_005fname"><td 
align="left"><code class="def-name">d--efun_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Function]</td></tr>
+<tr class="deffn defun-alias-deffn" id="index-d_002d_002defun_005fname"><td 
class="call-def"><code class="def-name">d--efun_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Function]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efun
 </p></td></tr></table>
 
 <table class="first-deffn first-defmac-alias-first-deffn" width="100%">
-<tr class="deffn defmac-alias-deffn" id="index-d_002d_002defmac_005fname"><td 
align="left"><code class="def-name">d--efmac_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Macro]</td></tr>
+<tr class="deffn defmac-alias-deffn" id="index-d_002d_002defmac_005fname"><td 
class="call-def"><code class="def-name">d--efmac_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Macro]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efmac
 </p></td></tr></table>
 
 <table class="first-deffn first-defspec-alias-first-deffn" width="100%">
-<tr class="deffn defspec-alias-deffn" 
id="index-d_002d_002defspec_005fname"><td align="left"><code 
class="def-name">d--efspec_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Special Form]</td></tr>
+<tr class="deffn defspec-alias-deffn" 
id="index-d_002d_002defspec_005fname"><td class="call-def"><code 
class="def-name">d--efspec_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Special Form]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efspec
 </p></td></tr></table>
 
 <table class="first-defvr first-defvar-alias-first-defvr" width="100%">
-<tr class="defvr defvar-alias-defvr" id="index-d_002d_002defvar_005fname"><td 
align="left"><code class="def-name">d--efvar_name</code></td><td 
class="category-def" align="right">[Variable]</td></tr>
+<tr class="defvr defvar-alias-defvr" id="index-d_002d_002defvar_005fname"><td 
class="call-def"><code class="def-name">d--efvar_name</code></td><td 
class="category-def">[Variable]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efvar
 </p></td></tr></table>
 
 <table class="first-defvr first-defvar-alias-first-defvr" width="100%">
-<tr class="defvr defvar-alias-defvr" 
id="index-d_002d_002defvar_005fname-1"><td align="left"><code 
class="def-name">d--efvar_name</code> <var 
class="def-meta-var-arguments">arg&ndash;var arg&ndash;var1</var></td><td 
class="category-def" align="right">[Variable]</td></tr>
+<tr class="defvr defvar-alias-defvr" 
id="index-d_002d_002defvar_005fname-1"><td class="call-def"><code 
class="def-name">d--efvar_name</code> <var 
class="def-meta-var-arguments">arg&ndash;var arg&ndash;var1</var></td><td 
class="category-def">[Variable]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efvar with args
 </p></td></tr></table>
 
 <table class="first-defvr first-defopt-alias-first-defvr" width="100%">
-<tr class="defvr defopt-alias-defvr" id="index-d_002d_002defopt_005fname"><td 
align="left"><code class="def-name">d--efopt_name</code></td><td 
class="category-def" align="right">[User Option]</td></tr>
+<tr class="defvr defopt-alias-defvr" id="index-d_002d_002defopt_005fname"><td 
class="call-def"><code class="def-name">d--efopt_name</code></td><td 
class="category-def">[User Option]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efopt
 </p></td></tr></table>
 
 <table class="first-deftypefn first-deftypefun-alias-first-deftypefn" 
width="100%">
-<tr class="deftypefn deftypefun-alias-deftypefn" 
id="index-d_002d_002deftypefun_005fname"><td align="left"><code 
class="def-type">t--ype</code> <code class="def-name">d--eftypefun_name</code> 
<code class="def-code-arguments">a--rguments...</code></td><td 
class="category-def" align="right">[Function]</td></tr>
+<tr class="deftypefn deftypefun-alias-deftypefn" 
id="index-d_002d_002deftypefun_005fname"><td class="call-def"><code 
class="def-type">t--ype</code> <code class="def-name">d--eftypefun_name</code> 
<code class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[Function]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypefun
 </p></td></tr></table>
 
 <table class="first-deftypevr first-deftypevar-alias-first-deftypevr" 
width="100%">
-<tr class="deftypevr deftypevar-alias-deftypevr" 
id="index-d_002d_002deftypevar_005fname"><td align="left"><code 
class="def-type">t--ype</code> <code 
class="def-name">d--eftypevar_name</code></td><td class="category-def" 
align="right">[Variable]</td></tr>
+<tr class="deftypevr deftypevar-alias-deftypevr" 
id="index-d_002d_002deftypevar_005fname"><td class="call-def"><code 
class="def-type">t--ype</code> <code 
class="def-name">d--eftypevar_name</code></td><td 
class="category-def">[Variable]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypevar
 </p></td></tr></table>
 
 <table class="first-defcv first-defivar-alias-first-defcv" width="100%">
-<tr class="defcv defivar-alias-defcv" 
id="index-d_002d_002defivar_005fname-of-c_002d_002dlass"><td align="left"><code 
class="def-name">d--efivar_name</code></td><td class="category-def" 
align="right">[Instance Variable of <code class="code">c--lass</code>]</td></tr>
+<tr class="defcv defivar-alias-defcv" 
id="index-d_002d_002defivar_005fname-of-c_002d_002dlass"><td 
class="call-def"><code class="def-name">d--efivar_name</code></td><td 
class="category-def">[Instance Variable of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efivar
 </p></td></tr></table>
 
 <table class="first-deftypecv first-deftypeivar-alias-first-deftypecv" 
width="100%">
-<tr class="deftypecv deftypeivar-alias-deftypecv" 
id="index-d_002d_002deftypeivar_005fname-of-c_002d_002dlass"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeivar_name</code></td><td class="category-def" 
align="right">[Instance Variable of <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypecv deftypeivar-alias-deftypecv" 
id="index-d_002d_002deftypeivar_005fname-of-c_002d_002dlass"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeivar_name</code></td><td 
class="category-def">[Instance Variable of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypeivar
 </p></td></tr></table>
 
 <table class="first-defop first-defmethod-alias-first-defop" width="100%">
-<tr class="defop defmethod-alias-defop" 
id="index-d_002d_002defmethod_005fname-on-c_002d_002dlass"><td 
align="left"><code class="def-name">d--efmethod_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Method on <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defop defmethod-alias-defop" 
id="index-d_002d_002defmethod_005fname-on-c_002d_002dlass"><td 
class="call-def"><code class="def-name">d--efmethod_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Method on <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;efmethod
 </p></td></tr></table>
 
 <table class="first-deftypeop first-deftypemethod-alias-first-deftypeop" 
width="100%">
-<tr class="deftypeop deftypemethod-alias-deftypeop" 
id="index-d_002d_002deftypemethod_005fname-on-c_002d_002dlass"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypemethod_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[Method on <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypeop deftypemethod-alias-deftypeop" 
id="index-d_002d_002deftypemethod_005fname-on-c_002d_002dlass"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypemethod_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[Method on <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypemethod
 </p></td></tr></table>
 
 
 <table class="first-deftypefn first-deftypefun-alias-first-deftypefn" 
width="100%">
-<tr class="deftypefn deftypefun-alias-deftypefn" id="index-name2"><td 
align="left"><code class="def-type">data-type2</code><br> <code 
class="def-name">name2</code> <code 
class="def-code-arguments">arguments2...</code></td><td class="category-def" 
align="right">[Function]</td></tr>
+<tr class="deftypefn deftypefun-alias-deftypefn" id="index-name2"><td 
class="call-def"><code class="def-type">data-type2</code><br> <code 
class="def-name">name2</code> <code 
class="def-code-arguments">arguments2...</code></td><td 
class="category-def">[Function]</td></tr>
 <tr><td colspan="2"><p>aaa2
 </p></td></tr></table>
 
 <table class="first-deftypefn" width="100%">
-<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname2"><td 
align="left"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypefn_name2</code></td><td class="category-def" 
align="right">[c&ndash;ategory2]</td></tr>
+<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname2"><td 
class="call-def"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypefn_name2</code></td><td 
class="category-def">[c&ndash;ategory2]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypefn no arg2
 </p></td></tr></table>
 
 <table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2"><td 
align="left"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td class="category-def" 
align="right">[c&ndash;ategory2 on <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2"><td 
class="call-def"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td 
class="category-def">[c&ndash;ategory2 on <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypeop2
 </p></td></tr></table>
 
 <table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2-1"><td 
align="left"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code></td><td class="category-def" 
align="right">[c&ndash;ategory2 on <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2-1"><td 
class="call-def"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code></td><td 
class="category-def">[c&ndash;ategory2 on <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypeop no arg2
 </p></td></tr></table>
 
 <table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2"><td 
align="left"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code></td><td class="category-def" 
align="right">[c&ndash;ategory2 of <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2"><td 
class="call-def"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code></td><td 
class="category-def">[c&ndash;ategory2 of <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypecv2
 </p></td></tr></table>
 
 <table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2-1"><td 
align="left"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td class="category-def" 
align="right">[c&ndash;ategory2 of <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2-1"><td 
class="call-def"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td 
class="category-def">[c&ndash;ategory2 of <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><p>d&ndash;eftypecv with arguments2
 </p></td></tr></table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-arg2"><td align="left"><code 
class="def-name">arg2</code></td><td class="category-def" 
align="right">[fun2]</td></tr>
+<tr class="deffn" id="index-arg2"><td class="call-def"><code 
class="def-name">arg2</code></td><td class="category-def">[fun2]</td></tr>
 <tr><td colspan="2"><p>fff2
 </p></td></tr></table>
 
@@ -2994,23 +2998,23 @@ html ''
 </dl>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn"><td align="left"></td><td class="category-def" 
align="right">[fun]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-2"><td align="left"><code 
class="def-name">machin</code> <var class="def-meta-var-arguments">bidule chose 
and</var></td><td class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-3"><td align="left"><code 
class="def-name">machin</code> <var class="def-meta-var-arguments">bidule chose 
and  after</var></td><td class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-4"><td align="left"><code 
class="def-name">machin</code> <var class="def-meta-var-arguments">bidule chose 
and </var></td><td class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-5"><td align="left"><code 
class="def-name">machin</code> <var class="def-meta-var-arguments">bidule chose 
and and after</var></td><td class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-followed-1"><td align="left"><code 
class="def-name">followed</code> <var class="def-meta-var-arguments">by a 
comment</var></td><td class="category-def" align="right">[truc]</td></tr>
+<tr class="deffn"><td class="call-def"></td><td 
class="category-def">[fun]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-2"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-3"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and  after</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-4"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and </var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-5"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and and after</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-followed-1"><td 
class="call-def"><code class="def-name">followed</code> <var 
class="def-meta-var-arguments">by a comment</var></td><td 
class="category-def">[truc]</td></tr>
 <tr><td colspan="2"><p>Various deff lines
-</p></td></tr><tr class="deffnx def-cmd-deffn" id="index-after"><td 
align="left"><code class="def-name">after</code> <var 
class="def-meta-var-arguments">a deff item</var></td><td class="category-def" 
align="right">[truc]</td></tr>
+</p></td></tr><tr class="deffnx def-cmd-deffn" id="index-after"><td 
class="call-def"><code class="def-name">after</code> <var 
class="def-meta-var-arguments">a deff item</var></td><td 
class="category-def">[truc]</td></tr>
 </table>
 
 <table class="first-deffn" width="100%">
-<tr class="deffn" id="index-invalid"><td align="left"><code 
class="def-name"><var class="var">invalid</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td class="category-def" 
align="right">[fsetinv]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[<b class="b">id &lsquo;<samp 
class="samp">i</samp>&rsquo; ule</b>]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[aaa]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[truc]</td></tr>
+<tr class="deffn" id="index-invalid"><td class="call-def"><code 
class="def-name"><var class="var">invalid</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td 
class="category-def">[fsetinv]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[<b class="b">id &lsquo;<samp class="samp">i</samp>&rsquo; 
ule</b>]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[aaa]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[truc]</td></tr>
 </table>
 
 <div class="group"><p>g&ndash;roupe
@@ -3675,258 +3679,258 @@ $ wget 
'http://savannah.gnu.org/cgi-bin/viewcvs/config/config/config.sub?rev=HEA
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn" id="index-d_002d_002deffn_005fname-1"><td align="left"><code 
class="def-name">d--effn_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c--ategory]</td></tr>
+<tr class="deffn" id="index-d_002d_002deffn_005fname-1"><td 
class="call-def"><code class="def-name">d--effn_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c--ategory]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--effn
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn" id="index-de_002d_002dffn_005fname-1"><td align="left"><code 
class="def-name">de--ffn_name</code> <var 
class="def-meta-var-arguments">ar&ndash;guments    more args 
- even more so</var></td><td class="category-def" 
align="right">[cate--gory]</td></tr>
+<tr class="deffn" id="index-de_002d_002dffn_005fname-1"><td 
class="call-def"><code class="def-name">de--ffn_name</code> <var 
class="def-meta-var-arguments">ar&ndash;guments    more args 
+ even more so</var></td><td class="category-def">[cate--gory]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">def--fn
 </pre></td></tr></table>
 <pre class="example-preformatted"> 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn" id="index-i-2"><td align="left"><code class="def-name"><var 
class="var">i</var></code> <var class="def-meta-var-arguments">a 
g</var></td><td class="category-def" align="right">[fset]</td></tr>
-<tr><td colspan="2"><pre class="example-preformatted"><a 
class="index-entry-id" 
id="index-index-entry-within-deffn-1"></a></pre></td></tr><tr class="deffnx 
def-cmd-deffn" id="index-truc-2"><td align="left"><code 
class="def-name">truc</code></td><td class="category-def" 
align="right">[cmde]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-log-trap-1"><td align="left"><code 
class="def-name">log trap</code></td><td class="category-def" 
align="right">[Command]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-log-trap1-1"><td align="left"><code 
class="def-name">log trap1</code></td><td class="category-def" 
align="right">[Command]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-log-trap2-1"><td align="left"><code 
class="def-name">log trap2</code></td><td class="category-def" 
align="right">[Command]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-id-ule-1"><td align="left"><code 
class="def-name"><b class="b">id ule</b></code> <var 
class="def-meta-var-arguments">truc</var></td><td class="category-def" 
align="right">[cmde]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-id-i-ule-1"><td align="left"><code 
class="def-name"><b class="b">id &lsquo;<samp class="samp">i</samp>&rsquo; 
ule</b></code> <var class="def-meta-var-arguments">truc</var></td><td 
class="category-def" align="right">[cmde2]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"><code 
class="def-name"></code></td><td class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-6"><td align="left"><code 
class="def-name">machin</code></td><td class="category-def" 
align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-bidule-machin-1"><td 
align="left"><code class="def-name">bidule machin</code></td><td 
class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-7"><td align="left"><code 
class="def-name">machin</code></td><td class="category-def" 
align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"><code 
class="def-name"></code></td><td class="category-def" 
align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-followed-2"><td align="left"><code 
class="def-name">followed</code> <var class="def-meta-var-arguments">by a 
comment</var></td><td class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"><code 
class="def-name"></code></td><td class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-a-4"><td align="left"><code 
class="def-name">a</code> <var class="def-meta-var-arguments">b c d e <b 
class="b">f g</b> h i</var></td><td class="category-def" 
align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-deffnx-2"><td align="left"><code 
class="def-name">deffnx</code> <var class="def-meta-var-arguments">before end 
deffn</var></td><td class="category-def" align="right">[truc]</td></tr>
+<tr class="deffn" id="index-i-2"><td class="call-def"><code 
class="def-name"><var class="var">i</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td 
class="category-def">[fset]</td></tr>
+<tr><td colspan="2"><pre class="example-preformatted"><a 
class="index-entry-id" 
id="index-index-entry-within-deffn-1"></a></pre></td></tr><tr class="deffnx 
def-cmd-deffn" id="index-truc-2"><td class="call-def"><code 
class="def-name">truc</code></td><td class="category-def">[cmde]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-log-trap-1"><td 
class="call-def"><code class="def-name">log trap</code></td><td 
class="category-def">[Command]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-log-trap1-1"><td 
class="call-def"><code class="def-name">log trap1</code></td><td 
class="category-def">[Command]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-log-trap2-1"><td 
class="call-def"><code class="def-name">log trap2</code></td><td 
class="category-def">[Command]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-id-ule-1"><td 
class="call-def"><code class="def-name"><b class="b">id ule</b></code> <var 
class="def-meta-var-arguments">truc</var></td><td 
class="category-def">[cmde]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-id-i-ule-1"><td 
class="call-def"><code class="def-name"><b class="b">id &lsquo;<samp 
class="samp">i</samp>&rsquo; ule</b></code> <var 
class="def-meta-var-arguments">truc</var></td><td 
class="category-def">[cmde2]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"><code 
class="def-name"></code></td><td class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-6"><td 
class="call-def"><code class="def-name">machin</code></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-bidule-machin-1"><td 
class="call-def"><code class="def-name">bidule machin</code></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-7"><td 
class="call-def"><code class="def-name">machin</code></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"><code 
class="def-name"></code></td><td class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-followed-2"><td 
class="call-def"><code class="def-name">followed</code> <var 
class="def-meta-var-arguments">by a comment</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"><code 
class="def-name"></code></td><td class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-a-4"><td class="call-def"><code 
class="def-name">a</code> <var class="def-meta-var-arguments">b c d e <b 
class="b">f g</b> h i</var></td><td class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-deffnx-2"><td 
class="call-def"><code class="def-name">deffnx</code> <var 
class="def-meta-var-arguments">before end deffn</var></td><td 
class="category-def">[truc]</td></tr>
 </table>
 <pre class="example-preformatted">
 
 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn" id="index-deffn-2"><td align="left"><code 
class="def-name">deffn</code></td><td class="category-def" 
align="right">[empty]</td></tr>
+<tr class="deffn" id="index-deffn-2"><td class="call-def"><code 
class="def-name">deffn</code></td><td class="category-def">[empty]</td></tr>
 </table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn" id="index-deffn-3"><td align="left"><code 
class="def-name">deffn</code> <var class="def-meta-var-arguments">with 
deffnx</var></td><td class="category-def" align="right">[empty]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-deffnx-3"><td align="left"><code 
class="def-name">deffnx</code></td><td class="category-def" 
align="right">[empty]</td></tr>
+<tr class="deffn" id="index-deffn-3"><td class="call-def"><code 
class="def-name">deffn</code> <var class="def-meta-var-arguments">with 
deffnx</var></td><td class="category-def">[empty]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-deffnx-3"><td 
class="call-def"><code class="def-name">deffnx</code></td><td 
class="category-def">[empty]</td></tr>
 </table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn" id="index-i-3"><td align="left"><code class="def-name"><var 
class="var">i</var></code> <var class="def-meta-var-arguments">a 
g</var></td><td class="category-def" align="right">[fset]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-truc-3"><td align="left"><code 
class="def-name">truc</code></td><td class="category-def" 
align="right">[cmde]</td></tr>
+<tr class="deffn" id="index-i-3"><td class="call-def"><code 
class="def-name"><var class="var">i</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td 
class="category-def">[fset]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-truc-3"><td class="call-def"><code 
class="def-name">truc</code></td><td class="category-def">[cmde]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">text in def item for 
second def item
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 
 </pre><table class="first-defvr" width="100%">
-<tr class="defvr" id="index-d_002d_002defvr_005fname-1"><td align="left"><code 
class="def-name">d--efvr_name</code></td><td class="category-def" 
align="right">[c--ategory]</td></tr>
+<tr class="defvr" id="index-d_002d_002defvr_005fname-1"><td 
class="call-def"><code class="def-name">d--efvr_name</code></td><td 
class="category-def">[c--ategory]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efvr
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn" id="index-n_002d_002dame-2"><td align="left"><code 
class="def-name">n--ame</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c--ategory]</td></tr>
+<tr class="deffn" id="index-n_002d_002dame-2"><td class="call-def"><code 
class="def-name">n--ame</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c--ategory]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--effn
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn" id="index-n_002d_002dame-3"><td align="left"><code 
class="def-name">n--ame</code></td><td class="category-def" 
align="right">[c--ategory]</td></tr>
+<tr class="deffn" id="index-n_002d_002dame-3"><td class="call-def"><code 
class="def-name">n--ame</code></td><td 
class="category-def">[c--ategory]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--effn no arg
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypefn" width="100%">
-<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname-2"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[c--ategory]</td></tr>
+<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname-2"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[c--ategory]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypefn
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypefn" width="100%">
-<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname-3"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code></td><td class="category-def" 
align="right">[c--ategory]</td></tr>
+<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname-3"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypefn_name</code></td><td 
class="category-def">[c--ategory]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypefn no arg
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname-on-c_002d_002dlass-2"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[c--ategory on <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname-on-c_002d_002dlass-2"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[c--ategory on <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypeop
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname-on-c_002d_002dlass-3"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code></td><td class="category-def" 
align="right">[c--ategory on <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname-on-c_002d_002dlass-3"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeop_name</code></td><td 
class="category-def">[c--ategory on <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypeop no arg
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypevr" width="100%">
-<tr class="deftypevr" id="index-d_002d_002deftypevr_005fname-1"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypevr_name</code></td><td class="category-def" 
align="right">[c--ategory]</td></tr>
+<tr class="deftypevr" id="index-d_002d_002deftypevr_005fname-1"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypevr_name</code></td><td 
class="category-def">[c--ategory]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypevr
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-defcv" width="100%">
-<tr class="defcv" id="index-d_002d_002defcv_005fname-2"><td align="left"><code 
class="def-name">d--efcv_name</code></td><td class="category-def" 
align="right">[c--ategory of <code class="code">c--lass</code>]</td></tr>
+<tr class="defcv" id="index-d_002d_002defcv_005fname-2"><td 
class="call-def"><code class="def-name">d--efcv_name</code></td><td 
class="category-def">[c--ategory of <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efcv
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-defcv" width="100%">
-<tr class="defcv" id="index-d_002d_002defcv_005fname-3"><td align="left"><code 
class="def-name">d--efcv_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c--ategory of <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defcv" id="index-d_002d_002defcv_005fname-3"><td 
class="call-def"><code class="def-name">d--efcv_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c--ategory of <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efcv with arguments
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname-of-c_002d_002dlass-2"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code></td><td class="category-def" 
align="right">[c--ategory of <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname-of-c_002d_002dlass-2"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code></td><td 
class="category-def">[c--ategory of <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypecv
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname-of-c_002d_002dlass-3"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[c--ategory of <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname-of-c_002d_002dlass-3"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypecv_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[c--ategory of <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypecv with 
arguments
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-defop" width="100%">
-<tr class="defop" id="index-d_002d_002defop_005fname-on-c_002d_002dlass-2"><td 
align="left"><code class="def-name">d--efop_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[c--ategory on <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defop" id="index-d_002d_002defop_005fname-on-c_002d_002dlass-2"><td 
class="call-def"><code class="def-name">d--efop_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[c--ategory on <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efop
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-defop" width="100%">
-<tr class="defop" id="index-d_002d_002defop_005fname-on-c_002d_002dlass-3"><td 
align="left"><code class="def-name">d--efop_name</code></td><td 
class="category-def" align="right">[c--ategory on <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defop" id="index-d_002d_002defop_005fname-on-c_002d_002dlass-3"><td 
class="call-def"><code class="def-name">d--efop_name</code></td><td 
class="category-def">[c--ategory on <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efop no arg
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftp" width="100%">
-<tr class="deftp" id="index-d_002d_002deftp_005fname-1"><td align="left"><code 
class="def-name">d--eftp_name</code> <var 
class="def-meta-var-arguments">a&ndash;ttributes...</var></td><td 
class="category-def" align="right">[c--ategory]</td></tr>
+<tr class="deftp" id="index-d_002d_002deftp_005fname-1"><td 
class="call-def"><code class="def-name">d--eftp_name</code> <var 
class="def-meta-var-arguments">a&ndash;ttributes...</var></td><td 
class="category-def">[c--ategory]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftp
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn first-defun-alias-first-deffn" width="100%">
-<tr class="deffn defun-alias-deffn" id="index-d_002d_002defun_005fname-1"><td 
align="left"><code class="def-name">d--efun_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Function]</td></tr>
+<tr class="deffn defun-alias-deffn" id="index-d_002d_002defun_005fname-1"><td 
class="call-def"><code class="def-name">d--efun_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Function]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efun
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn first-defmac-alias-first-deffn" width="100%">
-<tr class="deffn defmac-alias-deffn" 
id="index-d_002d_002defmac_005fname-1"><td align="left"><code 
class="def-name">d--efmac_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Macro]</td></tr>
+<tr class="deffn defmac-alias-deffn" 
id="index-d_002d_002defmac_005fname-1"><td class="call-def"><code 
class="def-name">d--efmac_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Macro]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efmac
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn first-defspec-alias-first-deffn" width="100%">
-<tr class="deffn defspec-alias-deffn" 
id="index-d_002d_002defspec_005fname-1"><td align="left"><code 
class="def-name">d--efspec_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Special Form]</td></tr>
+<tr class="deffn defspec-alias-deffn" 
id="index-d_002d_002defspec_005fname-1"><td class="call-def"><code 
class="def-name">d--efspec_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Special Form]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efspec
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-defvr first-defvar-alias-first-defvr" width="100%">
-<tr class="defvr defvar-alias-defvr" 
id="index-d_002d_002defvar_005fname-2"><td align="left"><code 
class="def-name">d--efvar_name</code></td><td class="category-def" 
align="right">[Variable]</td></tr>
+<tr class="defvr defvar-alias-defvr" 
id="index-d_002d_002defvar_005fname-2"><td class="call-def"><code 
class="def-name">d--efvar_name</code></td><td 
class="category-def">[Variable]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efvar
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-defvr first-defvar-alias-first-defvr" width="100%">
-<tr class="defvr defvar-alias-defvr" 
id="index-d_002d_002defvar_005fname-3"><td align="left"><code 
class="def-name">d--efvar_name</code> <var 
class="def-meta-var-arguments">arg&ndash;var arg&ndash;var1</var></td><td 
class="category-def" align="right">[Variable]</td></tr>
+<tr class="defvr defvar-alias-defvr" 
id="index-d_002d_002defvar_005fname-3"><td class="call-def"><code 
class="def-name">d--efvar_name</code> <var 
class="def-meta-var-arguments">arg&ndash;var arg&ndash;var1</var></td><td 
class="category-def">[Variable]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efvar with args
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-defvr first-defopt-alias-first-defvr" width="100%">
-<tr class="defvr defopt-alias-defvr" 
id="index-d_002d_002defopt_005fname-1"><td align="left"><code 
class="def-name">d--efopt_name</code></td><td class="category-def" 
align="right">[User Option]</td></tr>
+<tr class="defvr defopt-alias-defvr" 
id="index-d_002d_002defopt_005fname-1"><td class="call-def"><code 
class="def-name">d--efopt_name</code></td><td class="category-def">[User 
Option]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efopt
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypefn first-deftypefun-alias-first-deftypefn" 
width="100%">
-<tr class="deftypefn deftypefun-alias-deftypefn" 
id="index-d_002d_002deftypefun_005fname-1"><td align="left"><code 
class="def-type">t--ype</code> <code class="def-name">d--eftypefun_name</code> 
<code class="def-code-arguments">a--rguments...</code></td><td 
class="category-def" align="right">[Function]</td></tr>
+<tr class="deftypefn deftypefun-alias-deftypefn" 
id="index-d_002d_002deftypefun_005fname-1"><td class="call-def"><code 
class="def-type">t--ype</code> <code class="def-name">d--eftypefun_name</code> 
<code class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[Function]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypefun
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypevr first-deftypevar-alias-first-deftypevr" 
width="100%">
-<tr class="deftypevr deftypevar-alias-deftypevr" 
id="index-d_002d_002deftypevar_005fname-1"><td align="left"><code 
class="def-type">t--ype</code> <code 
class="def-name">d--eftypevar_name</code></td><td class="category-def" 
align="right">[Variable]</td></tr>
+<tr class="deftypevr deftypevar-alias-deftypevr" 
id="index-d_002d_002deftypevar_005fname-1"><td class="call-def"><code 
class="def-type">t--ype</code> <code 
class="def-name">d--eftypevar_name</code></td><td 
class="category-def">[Variable]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypevar
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-defcv first-defivar-alias-first-defcv" width="100%">
-<tr class="defcv defivar-alias-defcv" 
id="index-d_002d_002defivar_005fname-of-c_002d_002dlass-1"><td 
align="left"><code class="def-name">d--efivar_name</code></td><td 
class="category-def" align="right">[Instance Variable of <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defcv defivar-alias-defcv" 
id="index-d_002d_002defivar_005fname-of-c_002d_002dlass-1"><td 
class="call-def"><code class="def-name">d--efivar_name</code></td><td 
class="category-def">[Instance Variable of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efivar
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypecv first-deftypeivar-alias-first-deftypecv" 
width="100%">
-<tr class="deftypecv deftypeivar-alias-deftypecv" 
id="index-d_002d_002deftypeivar_005fname-of-c_002d_002dlass-1"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeivar_name</code></td><td class="category-def" 
align="right">[Instance Variable of <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypecv deftypeivar-alias-deftypecv" 
id="index-d_002d_002deftypeivar_005fname-of-c_002d_002dlass-1"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypeivar_name</code></td><td 
class="category-def">[Instance Variable of <code 
class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypeivar
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-defop first-defmethod-alias-first-defop" 
width="100%">
-<tr class="defop defmethod-alias-defop" 
id="index-d_002d_002defmethod_005fname-on-c_002d_002dlass-1"><td 
align="left"><code class="def-name">d--efmethod_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def" align="right">[Method on <code 
class="code">c--lass</code>]</td></tr>
+<tr class="defop defmethod-alias-defop" 
id="index-d_002d_002defmethod_005fname-on-c_002d_002dlass-1"><td 
class="call-def"><code class="def-name">d--efmethod_name</code> <var 
class="def-meta-var-arguments">a&ndash;rguments...</var></td><td 
class="category-def">[Method on <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--efmethod
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypeop first-deftypemethod-alias-first-deftypeop" 
width="100%">
-<tr class="deftypeop deftypemethod-alias-deftypeop" 
id="index-d_002d_002deftypemethod_005fname-on-c_002d_002dlass-1"><td 
align="left"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypemethod_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td class="category-def" 
align="right">[Method on <code class="code">c--lass</code>]</td></tr>
+<tr class="deftypeop deftypemethod-alias-deftypeop" 
id="index-d_002d_002deftypemethod_005fname-on-c_002d_002dlass-1"><td 
class="call-def"><code class="def-type">t--ype</code> <code 
class="def-name">d--eftypemethod_name</code> <code 
class="def-code-arguments">a--rguments...</code></td><td 
class="category-def">[Method on <code class="code">c--lass</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypemethod
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 
 </pre><table class="first-deftypefn first-deftypefun-alias-first-deftypefn" 
width="100%">
-<tr class="deftypefn deftypefun-alias-deftypefn" id="index-name2-1"><td 
align="left"><code class="def-type">data-type2</code><br> <code 
class="def-name">name2</code> <code 
class="def-code-arguments">arguments2...</code></td><td class="category-def" 
align="right">[Function]</td></tr>
+<tr class="deftypefn deftypefun-alias-deftypefn" id="index-name2-1"><td 
class="call-def"><code class="def-type">data-type2</code><br> <code 
class="def-name">name2</code> <code 
class="def-code-arguments">arguments2...</code></td><td 
class="category-def">[Function]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">aaa2
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypefn" width="100%">
-<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname2-1"><td 
align="left"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypefn_name2</code></td><td class="category-def" 
align="right">[c--ategory2]</td></tr>
+<tr class="deftypefn" id="index-d_002d_002deftypefn_005fname2-1"><td 
class="call-def"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypefn_name2</code></td><td 
class="category-def">[c--ategory2]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypefn no arg2
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2-2"><td 
align="left"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td class="category-def" 
align="right">[c--ategory2 on <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2-2"><td 
class="call-def"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td 
class="category-def">[c--ategory2 on <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypeop2
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypeop" width="100%">
-<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2-3"><td 
align="left"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code></td><td class="category-def" 
align="right">[c--ategory2 on <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypeop" 
id="index-d_002d_002deftypeop_005fname2-on-c_002d_002dlass2-3"><td 
class="call-def"><code class="def-type">t--ype2</code><br> <code 
class="def-name">d--eftypeop_name2</code></td><td 
class="category-def">[c--ategory2 on <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypeop no arg2
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2-2"><td 
align="left"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code></td><td class="category-def" 
align="right">[c--ategory2 of <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2-2"><td 
class="call-def"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code></td><td 
class="category-def">[c--ategory2 of <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypecv2
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deftypecv" width="100%">
-<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2-3"><td 
align="left"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td class="category-def" 
align="right">[c--ategory2 of <code class="code">c--lass2</code>]</td></tr>
+<tr class="deftypecv" 
id="index-d_002d_002deftypecv_005fname2-of-c_002d_002dlass2-3"><td 
class="call-def"><code class="def-type">t--ype2</code> <code 
class="def-name">d--eftypecv_name2</code> <code 
class="def-code-arguments">a--rguments2...</code></td><td 
class="category-def">[c--ategory2 of <code 
class="code">c--lass2</code>]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">d--eftypecv with 
arguments2
 </pre></td></tr></table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn" id="index-arg2-1"><td align="left"><code 
class="def-name">arg2</code></td><td class="category-def" 
align="right">[fun2]</td></tr>
+<tr class="deffn" id="index-arg2-1"><td class="call-def"><code 
class="def-name">arg2</code></td><td class="category-def">[fun2]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">fff2
 </pre></td></tr></table>
 <pre class="example-preformatted">
@@ -4217,24 +4221,24 @@ Invalid use of @':
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn"><td align="left"></td><td class="category-def" 
align="right">[fun]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-8"><td align="left"><code 
class="def-name">machin</code> <var class="def-meta-var-arguments">bidule chose 
and</var></td><td class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-9"><td align="left"><code 
class="def-name">machin</code> <var class="def-meta-var-arguments">bidule chose 
and  after</var></td><td class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-10"><td align="left"><code 
class="def-name">machin</code> <var class="def-meta-var-arguments">bidule chose 
and </var></td><td class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-machin-11"><td align="left"><code 
class="def-name">machin</code> <var class="def-meta-var-arguments">bidule chose 
and and after</var></td><td class="category-def" align="right">[truc]</td></tr>
-<tr class="deffnx def-cmd-deffn" id="index-followed-3"><td align="left"><code 
class="def-name">followed</code> <var class="def-meta-var-arguments">by a 
comment</var></td><td class="category-def" align="right">[truc]</td></tr>
+<tr class="deffn"><td class="call-def"></td><td 
class="category-def">[fun]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-8"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-9"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and  after</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-10"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and </var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-machin-11"><td 
class="call-def"><code class="def-name">machin</code> <var 
class="def-meta-var-arguments">bidule chose and and after</var></td><td 
class="category-def">[truc]</td></tr>
+<tr class="deffnx def-cmd-deffn" id="index-followed-3"><td 
class="call-def"><code class="def-name">followed</code> <var 
class="def-meta-var-arguments">by a comment</var></td><td 
class="category-def">[truc]</td></tr>
 <tr><td colspan="2"><pre class="example-preformatted">Various deff lines
-</pre></td></tr><tr class="deffnx def-cmd-deffn" id="index-after-1"><td 
align="left"><code class="def-name">after</code> <var 
class="def-meta-var-arguments">a deff item</var></td><td class="category-def" 
align="right">[truc]</td></tr>
+</pre></td></tr><tr class="deffnx def-cmd-deffn" id="index-after-1"><td 
class="call-def"><code class="def-name">after</code> <var 
class="def-meta-var-arguments">a deff item</var></td><td 
class="category-def">[truc]</td></tr>
 </table>
 <pre class="example-preformatted">
 
 </pre><table class="first-deffn" width="100%">
-<tr class="deffn" id="index-invalid-1"><td align="left"><code 
class="def-name"><var class="var">invalid</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td class="category-def" 
align="right">[fsetinv]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[<b class="b">id &lsquo;<samp 
class="samp">i</samp>&rsquo; ule</b>]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[aaa]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[]</td></tr>
-<tr class="deffnx def-cmd-deffn"><td align="left"></td><td 
class="category-def" align="right">[truc]</td></tr>
+<tr class="deffn" id="index-invalid-1"><td class="call-def"><code 
class="def-name"><var class="var">invalid</var></code> <var 
class="def-meta-var-arguments">a g</var></td><td 
class="category-def">[fsetinv]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[<b class="b">id &lsquo;<samp class="samp">i</samp>&rsquo; 
ule</b>]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[aaa]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[]</td></tr>
+<tr class="deffnx def-cmd-deffn"><td class="call-def"></td><td 
class="category-def">[truc]</td></tr>
 </table>
 <pre class="example-preformatted">
 
@@ -4325,7 +4329,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
@@ -4337,7 +4341,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">chapter</a></td></tr>
@@ -4374,7 +4378,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
@@ -4598,7 +4602,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
@@ -4888,7 +4892,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
diff --git a/tp/tests/layout/res_parser/formatting_exotic/chapter2.html 
b/tp/tests/layout/res_parser/formatting_exotic/chapter2.html
index b9020b4064..21c78678a0 100644
--- a/tp/tests/layout/res_parser/formatting_exotic/chapter2.html
+++ b/tp/tests/layout/res_parser/formatting_exotic/chapter2.html
@@ -851,6 +851,8 @@ h1.centerchap {text-align:center}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 <link rel="stylesheet" type="text/css" 
href="http://www.environnement.ens.fr/perso/dumas/background-color.css";>
@@ -905,7 +907,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="chapter.html#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="chapter.html">chapter</a></td></tr>
@@ -1127,7 +1129,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="chapter.html#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="chapter.html">chapter</a></td></tr>
diff --git a/tp/tests/layout/res_parser/formatting_exotic/formatting_abt.html 
b/tp/tests/layout/res_parser/formatting_exotic/formatting_abt.html
index b394f172ae..506bfa9fdc 100644
--- a/tp/tests/layout/res_parser/formatting_exotic/formatting_abt.html
+++ b/tp/tests/layout/res_parser/formatting_exotic/formatting_abt.html
@@ -847,6 +847,8 @@ g-roupe
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 <link rel="stylesheet" type="text/css" 
href="http://www.environnement.ens.fr/perso/dumas/background-color.css";>
@@ -878,56 +880,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_fr_icons/formatting.html 
b/tp/tests/layout/res_parser/formatting_fr_icons/formatting.html
index ba7623804b..969232898e 100644
--- a/tp/tests/layout/res_parser/formatting_fr_icons/formatting.html
+++ b/tp/tests/layout/res_parser/formatting_fr_icons/formatting.html
@@ -866,10 +866,15 @@ span.program-in-footer {font-size: smaller}
 span.r {font-family: initial; font-weight: normal; font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.menu-comment {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -3060,7 +3065,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#chapter" rel="index">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
@@ -6525,7 +6530,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -6537,7 +6542,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -6574,7 +6579,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6798,7 +6803,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7088,7 +7093,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7137,9 +7142,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#subsection">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
@@ -7264,7 +7269,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7486,7 +7491,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7877,56 +7882,56 @@ Menu comment
     <th> Depuis 1.2.3 aller &agrave;</th>
   </tr>
   <tr>
-    <td align="center"><img src="a_leftdouble.png" border="0" 
alt="RetourRapide" align="middle"></td>
-    <td align="center">RetourRapide</td>
+    <td class="button-direction-about"><img src="a_leftdouble.png" border="0" 
alt="RetourRapide" align="middle"></td>
+    <td class="name-direction-about">RetourRapide</td>
     <td>D&eacute;but de ce chapitre ou chapitre pr&eacute;c&eacute;dent</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"><img src="a_left.png" border="0" alt="Arri&egrave;re" 
align="middle"></td>
-    <td align="center">Arri&egrave;re</td>
+    <td class="button-direction-about"><img src="a_left.png" border="0" 
alt="Arri&egrave;re" align="middle"></td>
+    <td class="name-direction-about">Arri&egrave;re</td>
     <td>Section pr&eacute;c&eacute;dente dans l&rsquo;ordre de lecture</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"><img src="a_up.png" border="0" alt="Monter" 
align="middle"></td>
-    <td align="center">Monter</td>
+    <td class="button-direction-about"><img src="a_up.png" border="0" 
alt="Monter" align="middle"></td>
+    <td class="name-direction-about">Monter</td>
     <td>Section sup&eacute;rieure</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"><img src="a_right.png" border="0" alt="Avant" 
align="middle"></td>
-    <td align="center">Avant</td>
+    <td class="button-direction-about"><img src="a_right.png" border="0" 
alt="Avant" align="middle"></td>
+    <td class="name-direction-about">Avant</td>
     <td>Section suivante dans l&rsquo;ordre de lecture</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"><img src="a_rightdouble.png" border="0" 
alt="AvanceRapide" align="middle"></td>
-    <td align="center">AvanceRapide</td>
+    <td class="button-direction-about"><img src="a_rightdouble.png" border="0" 
alt="AvanceRapide" align="middle"></td>
+    <td class="name-direction-about">AvanceRapide</td>
     <td>Chapitre suivant</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"><img src="a_top.png" border="0" alt="Racine" 
align="middle"></td>
-    <td align="center">Racine</td>
+    <td class="button-direction-about"><img src="a_top.png" border="0" 
alt="Racine" align="middle"></td>
+    <td class="name-direction-about">Racine</td>
     <td>Couverture (top) du document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"><img src="a_tableofcon.png" border="0" alt="Table des 
mati&egrave;res" align="middle"></td>
-    <td align="center">Table des mati&egrave;res</td>
+    <td class="button-direction-about"><img src="a_tableofcon.png" border="0" 
alt="Table des mati&egrave;res" align="middle"></td>
+    <td class="name-direction-about">Table des mati&egrave;res</td>
     <td>Table des mati&egrave;res</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"><img src="a_index.png" border="0" alt="Index" 
align="middle"></td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"><img src="a_index.png" border="0" 
alt="Index" align="middle"></td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"><img src="a_help.png" border="0" alt="A propos" 
align="middle"></td>
-    <td align="center">A propos</td>
+    <td class="button-direction-about"><img src="a_help.png" border="0" alt="A 
propos" align="middle"></td>
+    <td class="name-direction-about">A propos</td>
     <td>A propos (page d&rsquo;aide)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_html/formatting.html 
b/tp/tests/layout/res_parser/formatting_html/formatting.html
index f2b84cf70f..bedc91517e 100644
--- a/tp/tests/layout/res_parser/formatting_html/formatting.html
+++ b/tp/tests/layout/res_parser/formatting_html/formatting.html
@@ -866,10 +866,15 @@ span.program-in-footer {font-size: smaller}
 span.r {font-family: initial; font-weight: normal; font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.menu-comment {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -3060,7 +3065,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#chapter" rel="index">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
@@ -6525,7 +6530,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -6537,7 +6542,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -6574,7 +6579,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6798,7 +6803,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7088,7 +7093,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7137,9 +7142,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#subsection">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
@@ -7264,7 +7269,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7486,7 +7491,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7877,56 +7882,56 @@ Menu comment
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_html32/formatting.html 
b/tp/tests/layout/res_parser/formatting_html32/formatting.html
index 67b8d967de..1230814665 100644
--- a/tp/tests/layout/res_parser/formatting_html32/formatting.html
+++ b/tp/tests/layout/res_parser/formatting_html32/formatting.html
@@ -2976,7 +2976,7 @@ html ''
 
 <table border="0" cellspacing="0">
 <tr><td><a href="#chapter" rel="index">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td></td></tr>
-<tr><th colspan="3" align="left"><pre>
+<tr><th colspan="3"><pre>
 
 Menu comment
 
@@ -6362,7 +6362,7 @@ Invalid use of @':
 </p>
 <div>
 <table border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th>Index Entry</th><td>&nbsp;</td><th> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td><a href="#index-truc-4">truc</a></td><td>&nbsp;</td><td><a 
href="#chapter">1 chapter</a></td></tr>
@@ -6374,7 +6374,7 @@ Invalid use of @':
 </p>
 <div>
 <table border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th>Index Entry</th><td>&nbsp;</td><th> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a 
<var>index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td><a href="#chapter">1 
chapter</a></td></tr>
@@ -6411,7 +6411,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th>Index Entry</th><td>&nbsp;</td><th> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&#34;</th><td></td><td></td></tr>
 <tr><td></td><td><a 
href="#index-copying-_0060_0060">&#34;</a></td><td>&nbsp;</td><td><a 
href="#Top">Top section</a></td></tr>
@@ -6635,7 +6635,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th>Index Entry</th><td>&nbsp;</td><th> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td><a
 href="#Top">Top section</a></td></tr>
@@ -6925,7 +6925,7 @@ Invalid use of @':
 <p>tp
 </p><div>
 <table border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th>Index Entry</th><td>&nbsp;</td><th> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td><a
 href="#Top">Top section</a></td></tr>
@@ -6974,9 +6974,9 @@ Menu comment
 <table border="0" cellspacing="0">
 <tr><td><a href="#subsection">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td>
 </td></tr>
-<tr><th colspan="3" align="left"><pre>
+<tr><th colspan="3"><pre>
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre>In detailmenu
+</pre></th></tr><tr><th colspan="3"><pre>In detailmenu
 
 </pre></th></tr><tr><td><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &#34;simple-double-</a></td><td>&nbsp;&nbsp;</td><td>
 </td></tr>
@@ -7101,7 +7101,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th>Index Entry</th><td>&nbsp;</td><th> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&#34;</th><td></td><td></td></tr>
 <tr><td></td><td><a 
href="#index-copying-_0060_0060">&#34;</a></td><td>&nbsp;</td><td><a 
href="#Top">Top section</a></td></tr>
@@ -7323,7 +7323,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th>Index Entry</th><td>&nbsp;</td><th> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td><a
 href="#Top">Top section</a></td></tr>
@@ -7708,56 +7708,56 @@ Menu comment
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td> [ &lt;&lt; ] </td>
+    <td>FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td> [ &lt; ] </td>
+    <td>Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td> [ Up ] </td>
+    <td>Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td> [ &gt; ] </td>
+    <td>Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td> [ &gt;&gt; ] </td>
+    <td>FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td> [Top] </td>
+    <td>Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td> [Contents] </td>
+    <td>Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td> [Index] </td>
+    <td>Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td> [ ? ] </td>
+    <td>About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_html_no_texi2html/formatting.html 
b/tp/tests/layout/res_parser/formatting_html_no_texi2html/formatting.html
index a85e3ba622..143447e4e7 100644
--- a/tp/tests/layout/res_parser/formatting_html_no_texi2html/formatting.html
+++ b/tp/tests/layout/res_parser/formatting_html_no_texi2html/formatting.html
@@ -867,6 +867,8 @@ span.sansserif {font-family: sans-serif; font-weight: 
normal}
 span:hover a.copiable-link {visibility: visible}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -4370,7 +4372,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
@@ -4382,7 +4384,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a>:</td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">chapter</a></td></tr>
@@ -4419,7 +4421,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
@@ -4643,7 +4645,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a>:</td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
@@ -4933,7 +4935,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a>:</td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
@@ -5035,7 +5037,7 @@ Previous: <a href="#chapter" accesskey="p" 
rel="prev">chapter</a>, Up: <a href="
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a>:</td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
@@ -5257,7 +5259,7 @@ Previous: <a href="#chapter" accesskey="p" 
rel="prev">chapter</a>, Up: <a href="
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a>:</td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#chapter">chapter</a></td></tr>
diff --git a/tp/tests/layout/res_parser/formatting_html_nodes/chapter.html 
b/tp/tests/layout/res_parser/formatting_html_nodes/chapter.html
index df870ac1a3..698bca2a10 100644
--- a/tp/tests/layout/res_parser/formatting_html_nodes/chapter.html
+++ b/tp/tests/layout/res_parser/formatting_html_nodes/chapter.html
@@ -866,6 +866,8 @@ span.sansserif {font-family: sans-serif; font-weight: 
normal}
 span:hover a.copiable-link {visibility: visible}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -4332,7 +4334,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -4344,7 +4346,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -4381,7 +4383,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="index.html">Top section</a></td></tr>
@@ -4605,7 +4607,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="index.html">Top section</a></td></tr>
@@ -4895,7 +4897,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="index.html">Top section</a></td></tr>
diff --git a/tp/tests/layout/res_parser/formatting_html_nodes/chapter2.html 
b/tp/tests/layout/res_parser/formatting_html_nodes/chapter2.html
index c6b57a7d46..129bc34299 100644
--- a/tp/tests/layout/res_parser/formatting_html_nodes/chapter2.html
+++ b/tp/tests/layout/res_parser/formatting_html_nodes/chapter2.html
@@ -851,6 +851,8 @@ h1.centerchap {text-align:center}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -905,7 +907,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="index.html">Top section</a></td></tr>
@@ -1127,7 +1129,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="index.html">Top section</a></td></tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_html_nodes/formatting_abt.html 
b/tp/tests/layout/res_parser/formatting_html_nodes/formatting_abt.html
index 384a18a35a..e8363c62de 100644
--- a/tp/tests/layout/res_parser/formatting_html_nodes/formatting_abt.html
+++ b/tp/tests/layout/res_parser/formatting_html_nodes/formatting_abt.html
@@ -847,6 +847,8 @@ g-roupe
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -878,56 +880,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_html_nodes/index.html 
b/tp/tests/layout/res_parser/formatting_html_nodes/index.html
index 6ada9aa5c0..b1f89af471 100644
--- a/tp/tests/layout/res_parser/formatting_html_nodes/index.html
+++ b/tp/tests/layout/res_parser/formatting_html_nodes/index.html
@@ -864,6 +864,7 @@ span.sansserif {font-family: sans-serif; font-weight: 
normal}
 span:hover a.copiable-link {visibility: visible}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -3054,7 +3055,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="chapter.html" rel="index">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
diff --git 
a/tp/tests/layout/res_parser/formatting_html_nodes/s_002d_002dect_002cion.html 
b/tp/tests/layout/res_parser/formatting_html_nodes/s_002d_002dect_002cion.html
index 3e5fc98749..4197cf0e34 100644
--- 
a/tp/tests/layout/res_parser/formatting_html_nodes/s_002d_002dect_002cion.html
+++ 
b/tp/tests/layout/res_parser/formatting_html_nodes/s_002d_002dect_002cion.html
@@ -850,6 +850,7 @@ pre.menu-comment-preformatted {font-family: serif}
 span.program-in-footer {font-size: smaller}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -879,9 +880,9 @@ td.menu-entry-destination {vertical-align: top}
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="subsection.html">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="subsubsection-_0060_0060simple_002ddouble_002d_002d.html">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
diff --git a/tp/tests/layout/res_parser/formatting_inline_css/formatting.html 
b/tp/tests/layout/res_parser/formatting_inline_css/formatting.html
index 5e54b31c95..8cd66d6377 100644
--- a/tp/tests/layout/res_parser/formatting_inline_css/formatting.html
+++ b/tp/tests/layout/res_parser/formatting_inline_css/formatting.html
@@ -3028,7 +3028,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination" style="vertical-align: top"><a 
href="#chapter" rel="index">1 chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description" style="vertical-align: top"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted" 
style="font-family: serif">
+<tr><th class="menu-comment" style="text-align:left" colspan="3"><pre 
class="menu-comment-preformatted" style="font-family: serif">
 
 Menu comment
 
@@ -6493,7 +6493,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex" 
style="text-align:left">Index Entry</th><td>&nbsp;</td><th 
class="sections-header-printindex" style="text-align:left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry" style="vertical-align: top"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section" style="vertical-align: top"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -6505,7 +6505,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex" 
style="text-align:left">Index Entry</th><td>&nbsp;</td><th 
class="sections-header-printindex" style="text-align:left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry" style="vertical-align: top"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section" 
style="vertical-align: top"><a href="#chapter">1 chapter</a></td></tr>
@@ -6542,7 +6542,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex" 
style="text-align:left">Index Entry</th><td>&nbsp;</td><th 
class="sections-header-printindex" style="text-align:left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry" style="vertical-align: top"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section" style="vertical-align: top"><a href="#Top">Top 
section</a></td></tr>
@@ -6766,7 +6766,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex" 
style="text-align:left">Index Entry</th><td>&nbsp;</td><th 
class="sections-header-printindex" style="text-align:left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry" style="vertical-align: top"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section" style="vertical-align: top"><a 
href="#Top">Top section</a></td></tr>
@@ -7056,7 +7056,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex" 
style="text-align:left">Index Entry</th><td>&nbsp;</td><th 
class="sections-header-printindex" style="text-align:left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry" style="vertical-align: top"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section" style="vertical-align: top"><a 
href="#Top">Top section</a></td></tr>
@@ -7105,9 +7105,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination" style="vertical-align: top"><a 
href="#subsection">1.1.1 subsection</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description" style="vertical-align: top">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted" 
style="font-family: serif">
+<tr><th class="menu-comment" style="text-align:left" colspan="3"><pre 
class="menu-comment-preformatted" style="font-family: serif">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted" style="font-family: serif">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" style="text-align:left" 
colspan="3"><pre class="menu-comment-preformatted" style="font-family: 
serif">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination" style="vertical-align: 
top"><a href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description" style="vertical-align: top">
 </td></tr>
@@ -7232,7 +7232,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex" 
style="text-align:left">Index Entry</th><td>&nbsp;</td><th 
class="sections-header-printindex" style="text-align:left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry" style="vertical-align: top"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section" style="vertical-align: top"><a href="#Top">Top 
section</a></td></tr>
@@ -7454,7 +7454,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex" 
style="text-align:left">Index Entry</th><td>&nbsp;</td><th 
class="sections-header-printindex" style="text-align:left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry" style="vertical-align: top"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section" style="vertical-align: top"><a 
href="#Top">Top section</a></td></tr>
@@ -7845,56 +7845,56 @@ Menu comment
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about" style="text-align:center"> [ &lt;&lt; ] 
</td>
+    <td class="name-direction-about" style="text-align:center">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about" style="text-align:center"> [ &lt; ] 
</td>
+    <td class="name-direction-about" style="text-align:center">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about" style="text-align:center"> [ Up ] </td>
+    <td class="name-direction-about" style="text-align:center">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about" style="text-align:center"> [ &gt; ] 
</td>
+    <td class="name-direction-about" style="text-align:center">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about" style="text-align:center"> [ &gt;&gt; ] 
</td>
+    <td class="name-direction-about" style="text-align:center">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about" style="text-align:center"> [Top] </td>
+    <td class="name-direction-about" style="text-align:center">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about" style="text-align:center"> [Contents] 
</td>
+    <td class="name-direction-about" style="text-align:center">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about" style="text-align:center"> [Index] </td>
+    <td class="name-direction-about" style="text-align:center">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about" style="text-align:center"> [ ? ] </td>
+    <td class="name-direction-about" style="text-align:center">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_mathjax/formatting.html 
b/tp/tests/layout/res_parser/formatting_mathjax/formatting.html
index 5b8c769811..560219203f 100644
--- a/tp/tests/layout/res_parser/formatting_mathjax/formatting.html
+++ b/tp/tests/layout/res_parser/formatting_mathjax/formatting.html
@@ -866,10 +866,15 @@ span.program-in-footer {font-size: smaller}
 span.r {font-family: initial; font-weight: normal; font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.menu-comment {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -3066,7 +3071,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#chapter" rel="index">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
@@ -6525,7 +6530,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -6537,7 +6542,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -6574,7 +6579,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6798,7 +6803,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7088,7 +7093,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7137,9 +7142,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#subsection">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
@@ -7264,7 +7269,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7486,7 +7491,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7877,56 +7882,56 @@ Menu comment
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_nodes/chapter.html 
b/tp/tests/layout/res_parser/formatting_nodes/chapter.html
index df870ac1a3..698bca2a10 100644
--- a/tp/tests/layout/res_parser/formatting_nodes/chapter.html
+++ b/tp/tests/layout/res_parser/formatting_nodes/chapter.html
@@ -866,6 +866,8 @@ span.sansserif {font-family: sans-serif; font-weight: 
normal}
 span:hover a.copiable-link {visibility: visible}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -4332,7 +4334,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -4344,7 +4346,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -4381,7 +4383,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="index.html">Top section</a></td></tr>
@@ -4605,7 +4607,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="index.html">Top section</a></td></tr>
@@ -4895,7 +4897,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="index.html">Top section</a></td></tr>
diff --git a/tp/tests/layout/res_parser/formatting_nodes/chapter2.html 
b/tp/tests/layout/res_parser/formatting_nodes/chapter2.html
index c6b57a7d46..129bc34299 100644
--- a/tp/tests/layout/res_parser/formatting_nodes/chapter2.html
+++ b/tp/tests/layout/res_parser/formatting_nodes/chapter2.html
@@ -851,6 +851,8 @@ h1.centerchap {text-align:center}
 span.program-in-footer {font-size: smaller}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -905,7 +907,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="index.html">Top section</a></td></tr>
@@ -1127,7 +1129,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="index.html#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="index.html">Top section</a></td></tr>
diff --git a/tp/tests/layout/res_parser/formatting_nodes/formatting_abt.html 
b/tp/tests/layout/res_parser/formatting_nodes/formatting_abt.html
index 384a18a35a..e8363c62de 100644
--- a/tp/tests/layout/res_parser/formatting_nodes/formatting_abt.html
+++ b/tp/tests/layout/res_parser/formatting_nodes/formatting_abt.html
@@ -847,6 +847,8 @@ g-roupe
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -878,56 +880,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_nodes/index.html 
b/tp/tests/layout/res_parser/formatting_nodes/index.html
index 6ada9aa5c0..b1f89af471 100644
--- a/tp/tests/layout/res_parser/formatting_nodes/index.html
+++ b/tp/tests/layout/res_parser/formatting_nodes/index.html
@@ -864,6 +864,7 @@ span.sansserif {font-family: sans-serif; font-weight: 
normal}
 span:hover a.copiable-link {visibility: visible}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -3054,7 +3055,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="chapter.html" rel="index">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
diff --git 
a/tp/tests/layout/res_parser/formatting_nodes/s_002d_002dect_002cion.html 
b/tp/tests/layout/res_parser/formatting_nodes/s_002d_002dect_002cion.html
index 3e5fc98749..4197cf0e34 100644
--- a/tp/tests/layout/res_parser/formatting_nodes/s_002d_002dect_002cion.html
+++ b/tp/tests/layout/res_parser/formatting_nodes/s_002d_002dect_002cion.html
@@ -850,6 +850,7 @@ pre.menu-comment-preformatted {font-family: serif}
 span.program-in-footer {font-size: smaller}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -879,9 +880,9 @@ td.menu-entry-destination {vertical-align: top}
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="subsection.html">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="subsubsection-_0060_0060simple_002ddouble_002d_002d.html">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_numerical_entities/formatting.html 
b/tp/tests/layout/res_parser/formatting_numerical_entities/formatting.html
index 9a4c791308..60f66c1a1d 100644
--- a/tp/tests/layout/res_parser/formatting_numerical_entities/formatting.html
+++ b/tp/tests/layout/res_parser/formatting_numerical_entities/formatting.html
@@ -866,10 +866,15 @@ span.program-in-footer {font-size: smaller}
 span.r {font-family: initial; font-weight: normal; font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.menu-comment {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -3060,7 +3065,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#chapter" rel="index">1 
chapter</a></td><td>&#160;&#160;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
@@ -6525,7 +6530,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&#160;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -6537,7 +6542,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&#238;</code></a></td><td>&#160;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -6574,7 +6579,7 @@ Invalid use of @':
  &#160; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&#8220;</a></td><td>&#160;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6798,7 +6803,7 @@ Invalid use of @':
  &#160; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7088,7 +7093,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7137,9 +7142,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#subsection">1.1.1 
subsection</a></td><td>&#160;&#160;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &#8220;simple-double&#8211;</a></td><td>&#160;&#160;</td><td 
class="menu-entry-description">
 </td></tr>
@@ -7264,7 +7269,7 @@ Menu comment
  &#160; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&#8220;</a></td><td>&#160;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7486,7 +7491,7 @@ Menu comment
  &#160; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&#160;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&#160;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&#160;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7877,56 +7882,56 @@ Menu comment
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &#160; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &#160; </td>
   </tr>
diff --git 
a/tp/tests/layout/res_parser/formatting_regions/formatting_regions.html 
b/tp/tests/layout/res_parser/formatting_regions/formatting_regions.html
index ccdb7d62ca..5db43cd368 100644
--- a/tp/tests/layout/res_parser/formatting_regions/formatting_regions.html
+++ b/tp/tests/layout/res_parser/formatting_regions/formatting_regions.html
@@ -865,10 +865,14 @@ span.program-in-footer {font-size: smaller}
 span.r {font-family: initial; font-weight: normal; font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -6486,7 +6490,7 @@ html ''
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="constructs-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6585,7 +6589,7 @@ html ''
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="constructs-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6869,7 +6873,7 @@ html ''
  &nbsp; 
 </td></tr></table>
 <table class="vr-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="constructs-1_vr_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-a_002d_002dasis"><code>a--asis</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6994,7 +6998,7 @@ html ''
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="constructs-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7150,7 +7154,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7247,7 +7251,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7621,56 +7625,56 @@ Menu comment
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_weird_quotes/formatting.html 
b/tp/tests/layout/res_parser/formatting_weird_quotes/formatting.html
index b1fc187317..df3834dc3d 100644
--- a/tp/tests/layout/res_parser/formatting_weird_quotes/formatting.html
+++ b/tp/tests/layout/res_parser/formatting_weird_quotes/formatting.html
@@ -866,10 +866,15 @@ span.program-in-footer {font-size: smaller}
 span.r {font-family: initial; font-weight: normal; font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.menu-comment {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -3060,7 +3065,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#chapter" rel="index">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
@@ -6525,7 +6530,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -6537,7 +6542,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -6574,7 +6579,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6798,7 +6803,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7088,7 +7093,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7137,9 +7142,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#subsection">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
@@ -7264,7 +7269,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7486,7 +7491,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7877,56 +7882,56 @@ Menu comment
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/layout/res_parser/formatting_xhtml/formatting.html 
b/tp/tests/layout/res_parser/formatting_xhtml/formatting.html
index 35b818ecc2..8ddf85c515 100644
--- a/tp/tests/layout/res_parser/formatting_xhtml/formatting.html
+++ b/tp/tests/layout/res_parser/formatting_xhtml/formatting.html
@@ -866,10 +866,15 @@ span.program-in-footer {font-size: smaller}
 span.r {font-family: initial; font-weight: normal; font-style: normal}
 span.sansserif {font-family: sans-serif; font-weight: normal}
 span:hover a.copiable-link {visibility: visible}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.menu-comment {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -3060,7 +3065,7 @@ html ''
 
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#chapter" rel="index">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
@@ -6525,7 +6530,7 @@ Invalid use of @':
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr/></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -6537,7 +6542,7 @@ Invalid use of @':
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr/></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -6574,7 +6579,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr/></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -6798,7 +6803,7 @@ Invalid use of @':
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr/></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7088,7 +7093,7 @@ Invalid use of @':
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr/></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7137,9 +7142,9 @@ Menu comment
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="#subsection">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#subsubsection-_0060_0060simple_002ddouble_002d_002d">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
@@ -7264,7 +7269,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr/></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7486,7 +7491,7 @@ Menu comment
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr/></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#Top">Top section</a></td></tr>
@@ -7877,56 +7882,56 @@ Menu comment
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/layout/res_parser/navigation_test_misc_file_collision/navigation_abt.html
 
b/tp/tests/layout/res_parser/navigation_test_misc_file_collision/navigation_abt.html
index 2e3e5ff75a..d336a30b0c 100644
--- 
a/tp/tests/layout/res_parser/navigation_test_misc_file_collision/navigation_abt.html
+++ 
b/tp/tests/layout/res_parser/navigation_test_misc_file_collision/navigation_abt.html
@@ -15,8 +15,10 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -118,56 +120,56 @@ b b b b b b b b b b b b b b b b  b b b b b bb b b b b b b 
 bb  b bb.
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/layout/res_parser/no_monolithic_only_toc_out/no_monolithic.html 
b/tp/tests/layout/res_parser/no_monolithic_only_toc_out/no_monolithic.html
index f926f916a6..b371f205f8 100644
--- a/tp/tests/layout/res_parser/no_monolithic_only_toc_out/no_monolithic.html
+++ b/tp/tests/layout/res_parser/no_monolithic_only_toc_out/no_monolithic.html
@@ -16,10 +16,14 @@
 <!--
 a.summary-letter-printindex {text-decoration: none}
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -73,7 +77,7 @@ ul.toc-numbered-mark {list-style: none}
 
 <div class="printindex cp-printindex">
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Chapter_cp_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-top">top</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#Top">Not monolithic</a></td></tr>
@@ -149,56 +153,56 @@ ul.toc-numbered-mark {list-style: none}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/many_input_files/different_encodings_res/char_latin1_latin1_in_refs.html
 
b/tp/tests/many_input_files/different_encodings_res/char_latin1_latin1_in_refs.html
index 6a340068f3..1bc696b28c 100644
--- 
a/tp/tests/many_input_files/different_encodings_res/char_latin1_latin1_in_refs.html
+++ 
b/tp/tests/many_input_files/different_encodings_res/char_latin1_latin1_in_refs.html
@@ -20,6 +20,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -65,7 +67,7 @@ Next: <a href="#g_t_00e9" accesskey="n" rel="next">
  � 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>�</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>�</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th 
id="g_t_00e4-_00eb-_00ef-_00f6-_00fc-_00ff-_00c4-_00cb-_00cf-_00d6-_00dc_cp_letter-�">�</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-e-i-o-u-A-E-I-O-U">� � � � � � � � � �</a>:</td><td>�</td><td 
class="printindex-index-section"><a href="#g_t_00e7">�</a></td></tr>
diff --git 
a/tp/tests/many_input_files/different_encodings_res/char_latin1_utf8_in_refs.html
 
b/tp/tests/many_input_files/different_encodings_res/char_latin1_utf8_in_refs.html
index 2d860e82e7..4d85c8c1aa 100644
--- 
a/tp/tests/many_input_files/different_encodings_res/char_latin1_utf8_in_refs.html
+++ 
b/tp/tests/many_input_files/different_encodings_res/char_latin1_utf8_in_refs.html
@@ -20,6 +20,8 @@
 a.summary-letter-printindex {text-decoration: none}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -49,7 +51,7 @@ Next: <a 
href="#g_t_00e4-_00eb-_00ef-_00f6-_00fc-_00ff-_00c4-_00cb-_00cf-_00d6-_
    
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td> </td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index Entry</th><td> 
</td><th class="sections-header-printindex"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="Top_cp_letter-Â">Â</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-e-i-o-u-A-E-I-O-U">â ê î ô û Â Ê Î Ô Û</a>:</td><td> </td><td 
class="printindex-index-section"><a href="#g_t_00e7">ç</a></td></tr>
diff --git 
a/tp/tests/many_input_files/different_languages_gen_master_menu_res/no_master_menu_fr.html
 
b/tp/tests/many_input_files/different_languages_gen_master_menu_res/no_master_menu_fr.html
index 7cf979bcb5..03c8cab7c3 100644
--- 
a/tp/tests/many_input_files/different_languages_gen_master_menu_res/no_master_menu_fr.html
+++ 
b/tp/tests/many_input_files/different_languages_gen_master_menu_res/no_master_menu_fr.html
@@ -19,6 +19,7 @@
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -37,9 +38,9 @@ Suivant: <a href="#chap" accesskey="n" rel="next">chap</a> 
&nbsp; </p>
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination">&bull; <a href="#chap" 
accesskey="1">chap</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted"> &mdash; The Detailed Node Listing &mdash;
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted"> &mdash; The Detailed Node Listing &mdash;
 
 chap
 
diff --git 
a/tp/tests/many_input_files/different_languages_gen_master_menu_res/no_master_menu_no_documentlanguage.html
 
b/tp/tests/many_input_files/different_languages_gen_master_menu_res/no_master_menu_no_documentlanguage.html
index 9df650a887..f8acb86b03 100644
--- 
a/tp/tests/many_input_files/different_languages_gen_master_menu_res/no_master_menu_no_documentlanguage.html
+++ 
b/tp/tests/many_input_files/different_languages_gen_master_menu_res/no_master_menu_no_documentlanguage.html
@@ -19,6 +19,7 @@
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -36,9 +37,9 @@ Next: <a href="#chap" accesskey="n" rel="next">chap</a> 
&nbsp; </p>
 <table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination">&bull; <a href="#chap" 
accesskey="1">chap</a>:</td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted"> &mdash; The Detailed Node Listing &mdash;
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted"> &mdash; The Detailed Node Listing &mdash;
 
 chap
 
diff --git 
"a/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8.html"
 
"b/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8.html"
index e825b59b58..ce7393dbf0 100644
--- 
"a/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8.html"
+++ 
"b/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8.html"
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -112,56 +114,56 @@ $">
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
"a/tp/tests/many_input_files/tex_t4ht_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8.html"
 
"b/tp/tests/many_input_files/tex_t4ht_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8.html"
index 91ca4422c8..7636e8de23 100644
--- 
"a/tp/tests/many_input_files/tex_t4ht_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8.html"
+++ 
"b/tp/tests/many_input_files/tex_t4ht_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8.html"
@@ -17,6 +17,8 @@
 @import "tex_encodé_utf8_tex4ht_tex.css";
 
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -102,56 +104,56 @@ src="tex_encodé_utf8_tex4ht_tex1x.png" alt="&#x222B;
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/nested_formats/res_parser/nested_menu/nested_formats.html 
b/tp/tests/nested_formats/res_parser/nested_menu/nested_formats.html
index 8e7a4653f8..0434bb5343 100644
--- a/tp/tests/nested_formats/res_parser/nested_menu/nested_formats.html
+++ b/tp/tests/nested_formats/res_parser/nested_menu/nested_formats.html
@@ -22,6 +22,7 @@ p.flushright-paragraph {text-align:right}
 pre.menu-comment-preformatted {font-family: serif}
 span.program-in-footer {font-size: smaller}
 span:hover a.copiable-link {visibility: visible}
+th.menu-comment {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 -->
 </style>
@@ -53,14 +54,14 @@ in macro
 </p>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -68,7 +69,7 @@ in macro
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -76,11 +77,11 @@ in macro
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -141,7 +142,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -203,47 +204,47 @@ html
 
 <p>Call macro in format_command
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something2
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">After
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 Something2
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">After
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 
 
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><strong class="subheading" id="subheading-1">subheading</strong>
 <pre class="menu-comment-preformatted">
@@ -314,7 +315,7 @@ html
 </div><pre class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -372,7 +373,7 @@ html
 
 </pre><div class="center">ce&ndash;ntered line
 </div></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 
@@ -382,14 +383,14 @@ html
 
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -397,7 +398,7 @@ html
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -405,11 +406,11 @@ html
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -470,7 +471,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -535,14 +536,14 @@ in macro
 
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -550,7 +551,7 @@ in macro
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -558,11 +559,11 @@ in macro
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -623,7 +624,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -685,47 +686,47 @@ html
 </li><li>item 2
 Call macro in itemize in format_command
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something2
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">After
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 Something2
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">After
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 
 
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><strong class="subheading" id="subheading-4">subheading</strong>
 <pre class="menu-comment-preformatted">
@@ -796,7 +797,7 @@ html
 </div><pre class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -854,7 +855,7 @@ html
 
 </pre><div class="center">ce&ndash;ntered line
 </div></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 </li></ul>
@@ -865,14 +866,14 @@ html
 
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -880,7 +881,7 @@ html
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -888,11 +889,11 @@ html
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -953,7 +954,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -1018,14 +1019,14 @@ in macro
 
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -1033,7 +1034,7 @@ in macro
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -1041,11 +1042,11 @@ in macro
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -1106,7 +1107,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -1168,47 +1169,47 @@ html
 </li><li> enumerate2
 Call macro in enumerate in format_command
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something2
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">After
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 Something2
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">After
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 
 
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><strong class="subheading" id="subheading-7">subheading</strong>
 <pre class="menu-comment-preformatted">
@@ -1279,7 +1280,7 @@ html
 </div><pre class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -1337,7 +1338,7 @@ html
 
 </pre><div class="center">ce&ndash;ntered line
 </div></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 </li></ol>
@@ -1350,14 +1351,14 @@ after item</td></tr>
 
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -1365,7 +1366,7 @@ after item</td></tr>
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -1373,11 +1374,11 @@ after item</td></tr>
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -1438,7 +1439,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -1502,14 +1503,14 @@ in macro
 
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -1517,7 +1518,7 @@ in macro
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -1525,11 +1526,11 @@ in macro
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -1590,7 +1591,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -1651,47 +1652,47 @@ html
 <tr><td width="60%">lone multitable item
 Call macro in mutitable in format_command
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something2
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">After
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 Something2
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">After
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 
 
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><strong class="subheading" id="subheading-10">subheading</strong>
 <pre class="menu-comment-preformatted">
@@ -1762,7 +1763,7 @@ html
 </div><pre class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -1820,7 +1821,7 @@ html
 
 </pre><div class="center">ce&ndash;ntered line
 </div></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table></td></tr>
 </tbody>
@@ -2363,14 +2364,14 @@ in macro
 </p>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -2378,7 +2379,7 @@ in macro
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -2386,11 +2387,11 @@ in macro
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -2451,7 +2452,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -2513,47 +2514,47 @@ html
 <p>deffn continues
 call macro in deffn in format_command
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something2
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">After
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 Something2
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">After
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 
 
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><strong class="subheading" id="subheading-15">subheading</strong>
 <pre class="menu-comment-preformatted">
@@ -2624,7 +2625,7 @@ html
 </div><pre class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -2682,7 +2683,7 @@ html
 
 </pre><div class="center">ce&ndash;ntered line
 </div></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 </dd></dl>
@@ -2694,14 +2695,14 @@ html
 </p>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -2709,7 +2710,7 @@ html
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -2717,11 +2718,11 @@ html
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -2782,7 +2783,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -2850,14 +2851,14 @@ in macro
 </p>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -2865,7 +2866,7 @@ in macro
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -2873,11 +2874,11 @@ in macro
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -2938,7 +2939,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -3004,14 +3005,14 @@ html
 </p>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -3019,7 +3020,7 @@ html
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -3027,11 +3028,11 @@ html
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -3092,7 +3093,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -3155,47 +3156,47 @@ html
 <dt>a line2</dt>
 <dd><p>call macro in table in format_command
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something2
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">After
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 Something2
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">After
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 
 
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><strong class="subheading" id="subheading-19">subheading</strong>
 <pre class="menu-comment-preformatted">
@@ -3266,7 +3267,7 @@ html
 </div><pre class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -3324,7 +3325,7 @@ html
 
 </pre><div class="center">ce&ndash;ntered line
 </div></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 </dd>
@@ -3336,14 +3337,14 @@ html
 </p>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -3351,7 +3352,7 @@ html
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -3359,11 +3360,11 @@ html
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -3424,7 +3425,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -3489,14 +3490,14 @@ in macro
 </p>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p>Something
 </p>
 <p>Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p>Something2
@@ -3504,7 +3505,7 @@ in macro
 </p>
 <p>Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p>After
 </p>
@@ -3512,11 +3513,11 @@ in macro
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -3577,7 +3578,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -3638,47 +3639,47 @@ html
 
 <p>call macro in cartouche in format_command
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something2
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">After
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 Something2
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">After
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 
 
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><strong class="subheading" id="subheading-22">subheading</strong>
 <pre class="menu-comment-preformatted">
@@ -3749,7 +3750,7 @@ html
 </div><pre class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -3807,7 +3808,7 @@ html
 
 </pre><div class="center">ce&ndash;ntered line
 </div></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 </td></tr></table>
@@ -3817,14 +3818,14 @@ in macro
 </p>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p class="flushleft-paragraph">Something
 </p>
 <p class="flushleft-paragraph">Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p class="flushleft-paragraph">Something2
@@ -3832,7 +3833,7 @@ in macro
 </p>
 <p class="flushleft-paragraph">Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p class="flushleft-paragraph">After
 </p>
@@ -3840,11 +3841,11 @@ in macro
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -3905,7 +3906,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -3967,47 +3968,47 @@ html
 <p class="flushleft-paragraph">flushleft
 call macro in flushleft in format_command
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something2
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">After
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 Something2
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">After
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 
 
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><strong class="subheading" id="subheading-24">subheading</strong>
 <pre class="menu-comment-preformatted">
@@ -4078,7 +4079,7 @@ html
 </div><pre class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -4136,7 +4137,7 @@ html
 
 </pre><div class="center">ce&ndash;ntered line
 </div></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 </div>
@@ -4144,14 +4145,14 @@ html
 </p>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
 
 <p class="flushright-paragraph">Something
 </p>
 <p class="flushright-paragraph">Something
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <p class="flushright-paragraph">Something2
@@ -4159,7 +4160,7 @@ html
 </p>
 <p class="flushright-paragraph">Something2
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 <p class="flushright-paragraph">After
 </p>
@@ -4167,11 +4168,11 @@ html
 <br>
 <br>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
 
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
@@ -4232,7 +4233,7 @@ html
 <div class="center">ce&ndash;ntered line
 </div>
 <table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -4293,47 +4294,47 @@ html
 
 <p class="flushright-paragraph">flushright
 </p><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
format_command
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in format_command
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Something2
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">After
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 Something2
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">After
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">After
 
 
 
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
group
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in group
 </pre></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><blockquote class="quotation">
+<tr><th class="menu-comment" colspan="3"><blockquote class="quotation">
 <pre class="menu-comment-preformatted">A quot&mdash;ation
 </pre></blockquote>
 </th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre><strong class="subheading" id="subheading-26">subheading</strong>
 <pre class="menu-comment-preformatted">
@@ -4404,7 +4405,7 @@ html
 </div><pre class="menu-comment-preformatted">
 
 </pre></th></tr><table class="menu" border="0" cellspacing="0">
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">in 
macro, a format_command containing some other commands.
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">in macro, a format_command containing some 
other commands.
 </pre><ul class="itemize mark-bullet">
 <li><pre class="menu-comment-preformatted">i&ndash;tem 1
 </pre></li><li><pre class="menu-comment-preformatted">i&ndash;tem 2
@@ -4462,7 +4463,7 @@ html
 
 </pre><div class="center">ce&ndash;ntered line
 </div></th></tr></table>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 </div>
diff --git 
a/tp/tests/sectioning/res_parser/sectioning_directions/sectioning.html 
b/tp/tests/sectioning/res_parser/sectioning_directions/sectioning.html
index c6d6e429be..03c91200fe 100644
--- a/tp/tests/sectioning/res_parser/sectioning_directions/sectioning.html
+++ b/tp/tests/sectioning/res_parser/sectioning_directions/sectioning.html
@@ -18,6 +18,7 @@ pre.menu-comment-preformatted {font-family: serif}
 span.program-in-footer {font-size: smaller}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 ul.toc-numbered-mark {list-style: none}
 -->
 </style>
@@ -140,19 +141,19 @@ ul.toc-numbered-mark {list-style: none}
 With command &icirc; and
 a <cite class="cite">me</cite>.
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 heading
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="#between-node">between node</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 node in between
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 heading 
 or not ?
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="#Second-node">2 second node chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">node 2
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 heading with spaces around
 
@@ -160,7 +161,7 @@ heading with spaces around
 </td></tr>
 <tr><td class="menu-entry-destination">&bull; <a 
href="#Last-node-no-description">Last node no 
description</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 description here
 
@@ -284,7 +285,7 @@ description here
 </td></tr>
 <tr><td class="menu-entry-destination"><a href="#numbered">1.1 numbered 
section</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">nu
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 
diff --git 
a/tp/tests/sectioning/res_parser/sectioning_directions_split_chapter/First-node.html
 
b/tp/tests/sectioning/res_parser/sectioning_directions_split_chapter/First-node.html
index b72c5da38a..825b6ac25c 100644
--- 
a/tp/tests/sectioning/res_parser/sectioning_directions_split_chapter/First-node.html
+++ 
b/tp/tests/sectioning/res_parser/sectioning_directions_split_chapter/First-node.html
@@ -18,6 +18,7 @@ pre.menu-comment-preformatted {font-family: serif}
 span.program-in-footer {font-size: smaller}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -246,7 +247,7 @@ td.menu-entry-destination {vertical-align: top}
 </td></tr>
 <tr><td class="menu-entry-destination"><a href="#numbered">1.1 numbered 
section</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">nu
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 </pre></th></tr></table>
 
diff --git 
a/tp/tests/sectioning/res_parser/sectioning_directions_split_chapter/index.html 
b/tp/tests/sectioning/res_parser/sectioning_directions_split_chapter/index.html
index 60397c9bb4..43d515f4ed 100644
--- 
a/tp/tests/sectioning/res_parser/sectioning_directions_split_chapter/index.html
+++ 
b/tp/tests/sectioning/res_parser/sectioning_directions_split_chapter/index.html
@@ -18,6 +18,7 @@ pre.menu-comment-preformatted {font-family: serif}
 span.program-in-footer {font-size: smaller}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -243,19 +244,19 @@ td.menu-entry-destination {vertical-align: top}
 With command &icirc; and
 a <cite class="cite">me</cite>.
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 heading
 </pre></th></tr><tr><td class="menu-entry-destination">&bull; <a 
href="First-node.html#between-node">between 
node</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 node in between
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 heading 
 or not ?
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="Second-node.html">2 second node chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">node 2
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 heading with spaces around
 
@@ -263,7 +264,7 @@ heading with spaces around
 </td></tr>
 <tr><td class="menu-entry-destination">&bull; <a 
href="Third-node-unnumbered.html#Last-node-no-description">Last node no 
description</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 description here
 
diff --git a/tp/tests/tex_html/res_parser/formatting_singular/chapter.html 
b/tp/tests/tex_html/res_parser/formatting_singular/chapter.html
index a6c395e998..cad555e975 100644
--- a/tp/tests/tex_html/res_parser/formatting_singular/chapter.html
+++ b/tp/tests/tex_html/res_parser/formatting_singular/chapter.html
@@ -866,6 +866,8 @@ span.sansserif {font-family: sans-serif; font-weight: 
normal}
 span:hover a.copiable-link {visibility: visible}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 ul.mark-bullet {list-style-type: disc}
 ul.mark-minus {list-style-type: "\2212"}
 ul.mark-none {list-style-type: none}
@@ -4768,7 +4770,7 @@ $">
 </p>
 <div class="printindex truc-printindex">
 <table class="truc-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_truc_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-truc-4">truc</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -4780,7 +4782,7 @@ $">
 </p>
 <div class="printindex codeidx-printindex">
 <table class="codeidx-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_codeidx_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-a-index_002d_002d_002dentry-te-_002d_002d_002d-i"><code>a <var 
class="var">index---entry</var> t&#7869; --- 
&icirc;</code></a></td><td>&nbsp;</td><td class="printindex-index-section"><a 
href="#chapter">1 chapter</a></td></tr>
@@ -4817,7 +4819,7 @@ $">
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -5041,7 +5043,7 @@ $">
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
@@ -5331,7 +5333,7 @@ $">
 <p>tp
 </p><div class="printindex tp-printindex">
 <table class="tp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-1_tp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="#index-copying-d_002d_002deftp_005fname"><code>d--eftp_name</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="#chapter">1 chapter</a></td></tr>
diff --git a/tp/tests/tex_html/res_parser/formatting_singular/chapter2.html 
b/tp/tests/tex_html/res_parser/formatting_singular/chapter2.html
index f4a722739e..cd6e6a3ab0 100644
--- a/tp/tests/tex_html/res_parser/formatting_singular/chapter2.html
+++ b/tp/tests/tex_html/res_parser/formatting_singular/chapter2.html
@@ -851,6 +851,8 @@ a.summary-letter-printindex {text-decoration: none}
 h1.centerchap {text-align:center}
 td.printindex-index-entry {vertical-align: top}
 td.printindex-index-section {vertical-align: top}
+th.entries-header-printindex {text-align:left}
+th.sections-header-printindex {text-align:left}
 -->
 </style>
 
@@ -930,7 +932,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_cp_symbol-1">&quot;</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="chapter.html#index-copying-_0060_0060">&ldquo;</a></td><td>&nbsp;</td><td 
class="printindex-index-section"><a href="chapter.html">1 chapter</a></td></tr>
@@ -1152,7 +1154,7 @@ td.printindex-index-section {vertical-align: top}
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
-<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
+<tr><td></td><th class="entries-header-printindex">Index 
Entry</th><td>&nbsp;</td><th class="sections-header-printindex"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
 <tr><th id="chapter-2_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td class="printindex-index-entry"><a 
href="chapter.html#index-copying-_002d_002dfoption"><code>--foption</code></a></td><td>&nbsp;</td><td
 class="printindex-index-section"><a href="chapter.html">1 chapter</a></td></tr>
diff --git a/tp/tests/tex_html/res_parser/formatting_singular/index.htm 
b/tp/tests/tex_html/res_parser/formatting_singular/index.htm
index c553cf3a6d..67a8458162 100644
--- a/tp/tests/tex_html/res_parser/formatting_singular/index.htm
+++ b/tp/tests/tex_html/res_parser/formatting_singular/index.htm
@@ -850,6 +850,7 @@ g-roupe
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -895,7 +896,7 @@ td.menu-entry-destination {vertical-align: top}
 
 <blockquote><table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="chapter.html" rel="index">1 
chapter</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description"></td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
 Menu comment
 
diff --git 
a/tp/tests/tex_html/res_parser/formatting_singular/s_002d_002dect_002cion.html 
b/tp/tests/tex_html/res_parser/formatting_singular/s_002d_002dect_002cion.html
index 1e5035990f..55ad98555e 100644
--- 
a/tp/tests/tex_html/res_parser/formatting_singular/s_002d_002dect_002cion.html
+++ 
b/tp/tests/tex_html/res_parser/formatting_singular/s_002d_002dect_002cion.html
@@ -850,6 +850,7 @@ g-roupe
 pre.menu-comment-preformatted {font-family: serif}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+th.menu-comment {text-align:left}
 -->
 </style>
 
@@ -904,9 +905,9 @@ td.menu-entry-destination {vertical-align: top}
 <blockquote><table class="menu" border="0" cellspacing="0">
 <tr><td class="menu-entry-destination"><a href="subsection.html">1.1.1 
subsection</a></td><td>&nbsp;&nbsp;</td><td class="menu-entry-description">
 </td></tr>
-<tr><th colspan="3" align="left"><pre class="menu-comment-preformatted">
+<tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">
 
-</pre></th></tr><tr><th colspan="3" align="left"><pre 
class="menu-comment-preformatted">In detailmenu
+</pre></th></tr><tr><th class="menu-comment" colspan="3"><pre 
class="menu-comment-preformatted">In detailmenu
 
 </pre></th></tr><tr><td class="menu-entry-destination"><a 
href="subsubsection-_0060_0060simple_002ddouble_002d_002d.html">1.1.1.1 
subsubsection &ldquo;simple-double&ndash;</a></td><td>&nbsp;&nbsp;</td><td 
class="menu-entry-description">
 </td></tr>
diff --git a/tp/tests/tex_html/res_parser/formatting_singular/sing_abt.htm 
b/tp/tests/tex_html/res_parser/formatting_singular/sing_abt.htm
index fb6bd7b4a2..8b74900a68 100644
--- a/tp/tests/tex_html/res_parser/formatting_singular/sing_abt.htm
+++ b/tp/tests/tex_html/res_parser/formatting_singular/sing_abt.htm
@@ -845,6 +845,12 @@ g-roupe
 <meta name="Generator" content="texi2any">
 <meta name="viewport" content="width=device-width,initial-scale=1">
 
+<style type="text/css">
+<!--
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
+-->
+</style>
 
 
 </head>
@@ -902,56 +908,56 @@ and is best  viewed with a 16 or 18 point screen font.
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"><img src="../singular_images/a_left.png" border="0" 
alt="Back" align="middle"></td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"><img 
src="../singular_images/a_left.png" border="0" alt="Back" align="middle"></td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"><img src="../singular_images/a_right.png" border="0" 
alt="Forward" align="middle"></td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"><img 
src="../singular_images/a_right.png" border="0" alt="Forward" 
align="middle"></td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"><img src="../singular_images/a_leftdouble.png" 
border="0" alt="FastBack" align="middle"></td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"><img 
src="../singular_images/a_leftdouble.png" border="0" alt="FastBack" 
align="middle"></td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"><img src="../singular_images/a_rightdouble.png" 
border="0" alt="FastForward" align="middle"></td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"><img 
src="../singular_images/a_rightdouble.png" border="0" alt="FastForward" 
align="middle"></td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"><img src="../singular_images/a_up.png" border="0" 
alt="Up" align="middle"></td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"><img src="../singular_images/a_up.png" 
border="0" alt="Up" align="middle"></td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"><img src="../singular_images/a_top.png" border="0" 
alt="Top" align="middle"></td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"><img src="../singular_images/a_top.png" 
border="0" alt="Top" align="middle"></td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"><img src="../singular_images/a_tableofcon.png" 
border="0" alt="Contents" align="middle"></td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"><img 
src="../singular_images/a_tableofcon.png" border="0" alt="Contents" 
align="middle"></td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"><img src="../singular_images/a_index.png" border="0" 
alt="Index" align="middle"></td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"><img 
src="../singular_images/a_index.png" border="0" alt="Index" align="middle"></td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"><img src="../singular_images/a_help.png" border="0" 
alt="About" align="middle"></td>
-    <td align="center">About</td>
+    <td class="button-direction-about"><img 
src="../singular_images/a_help.png" border="0" alt="About" align="middle"></td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/tex_html/res_parser/simplest_httex/simplest.html 
b/tp/tests/tex_html/res_parser/simplest_httex/simplest.html
index 7cc17c58c4..ef94c0eb9a 100644
--- a/tp/tests/tex_html/res_parser/simplest_httex/simplest.html
+++ b/tp/tests/tex_html/res_parser/simplest_httex/simplest.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -81,56 +83,56 @@ span.program-in-footer {font-size: smaller}
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/tex_html/res_parser/tex_encoded_latin1_httex/tex_encode_latin1.html 
b/tp/tests/tex_html/res_parser/tex_encoded_latin1_httex/tex_encode_latin1.html
index 9d0d291bae..fdb606deab 100644
--- 
a/tp/tests/tex_html/res_parser/tex_encoded_latin1_httex/tex_encode_latin1.html
+++ 
b/tp/tests/tex_html/res_parser/tex_encoded_latin1_httex/tex_encode_latin1.html
@@ -17,6 +17,8 @@
 @import "tex_encode_latin1_tex4ht_tex.css";
 
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -103,56 +105,56 @@ src="tex_encode_latin1_tex4ht_tex1x.png" alt="&#x222B;
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
a/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1.html 
b/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1.html
index 62c98d8581..4391b69798 100644
--- a/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1.html
+++ b/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1.html
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -113,56 +115,56 @@ $">
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
"a/tp/tests/tex_html/res_parser/tex_encoded_utf8_httex/tex_encod\303\251_utf8.html"
 
"b/tp/tests/tex_html/res_parser/tex_encoded_utf8_httex/tex_encod\303\251_utf8.html"
index 91ca4422c8..7636e8de23 100644
--- 
"a/tp/tests/tex_html/res_parser/tex_encoded_utf8_httex/tex_encod\303\251_utf8.html"
+++ 
"b/tp/tests/tex_html/res_parser/tex_encoded_utf8_httex/tex_encod\303\251_utf8.html"
@@ -17,6 +17,8 @@
 @import "tex_encodé_utf8_tex4ht_tex.css";
 
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -102,56 +104,56 @@ src="tex_encodé_utf8_tex4ht_tex1x.png" alt="&#x222B;
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git 
"a/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8.html"
 
"b/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8.html"
index e825b59b58..ce7393dbf0 100644
--- 
"a/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8.html"
+++ 
"b/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8.html"
@@ -15,6 +15,8 @@
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -112,56 +114,56 @@ $">
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>
diff --git a/tp/tests/tex_html/res_parser/tex_in_copying/tex_in_copying.html 
b/tp/tests/tex_html/res_parser/tex_in_copying/tex_in_copying.html
index a933a72fa6..5ef8b3e327 100644
--- a/tp/tests/tex_html/res_parser/tex_in_copying/tex_in_copying.html
+++ b/tp/tests/tex_html/res_parser/tex_in_copying/tex_in_copying.html
@@ -22,8 +22,10 @@ $$
 <style type="text/css">
 <!--
 span.program-in-footer {font-size: smaller}
+td.button-direction-about {text-align:center}
 td.menu-entry-description {vertical-align: top}
 td.menu-entry-destination {vertical-align: top}
+td.name-direction-about {text-align:center}
 -->
 </style>
 
@@ -165,56 +167,56 @@ $">
     <th> From 1.2.3 go to</th>
   </tr>
   <tr>
-    <td align="center"> [ &lt;&lt; ] </td>
-    <td align="center">FastBack</td>
+    <td class="button-direction-about"> [ &lt;&lt; ] </td>
+    <td class="name-direction-about">FastBack</td>
     <td>Beginning of this chapter or previous chapter</td>
     <td>1</td>
   </tr>
   <tr>
-    <td align="center"> [ &lt; ] </td>
-    <td align="center">Back</td>
+    <td class="button-direction-about"> [ &lt; ] </td>
+    <td class="name-direction-about">Back</td>
     <td>Previous section in reading order</td>
     <td>1.2.2</td>
   </tr>
   <tr>
-    <td align="center"> [ Up ] </td>
-    <td align="center">Up</td>
+    <td class="button-direction-about"> [ Up ] </td>
+    <td class="name-direction-about">Up</td>
     <td>Up section</td>
     <td>1.2</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt; ] </td>
-    <td align="center">Forward</td>
+    <td class="button-direction-about"> [ &gt; ] </td>
+    <td class="name-direction-about">Forward</td>
     <td>Next section in reading order</td>
     <td>1.2.4</td>
   </tr>
   <tr>
-    <td align="center"> [ &gt;&gt; ] </td>
-    <td align="center">FastForward</td>
+    <td class="button-direction-about"> [ &gt;&gt; ] </td>
+    <td class="name-direction-about">FastForward</td>
     <td>Next chapter</td>
     <td>2</td>
   </tr>
   <tr>
-    <td align="center"> [Top] </td>
-    <td align="center">Top</td>
+    <td class="button-direction-about"> [Top] </td>
+    <td class="name-direction-about">Top</td>
     <td>Cover (top) of document</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Contents] </td>
-    <td align="center">Contents</td>
+    <td class="button-direction-about"> [Contents] </td>
+    <td class="name-direction-about">Contents</td>
     <td>Table of contents</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [Index] </td>
-    <td align="center">Index</td>
+    <td class="button-direction-about"> [Index] </td>
+    <td class="name-direction-about">Index</td>
     <td>Index</td>
     <td> &nbsp; </td>
   </tr>
   <tr>
-    <td align="center"> [ ? ] </td>
-    <td align="center">About</td>
+    <td class="button-direction-about"> [ ? ] </td>
+    <td class="name-direction-about">About</td>
     <td>About (help)</td>
     <td> &nbsp; </td>
   </tr>



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