Lyrics with no attched staff slightly mispositioned

[Keith OHara]

% It is possible to confuse the new vertical spacing engine,
%  by using non-staff contexts without any Staff.
% ver2.13.52 leaves a bit more space than usual after the first
%  Lyrics line, causing the second line to overlap the following score.
%
% Desired behavior might be to close up the space between lyrics lines,
%  but I don't think LilyPond intends to support scores with Lyrics
%  unattached to any Staff so I don't really care.
%
\version "2.13.52"
\score { <<
  \new Lyrics \lyricmode { lyric1 }
  \new Lyrics
  \lyricmode { \markup\center-column { I am very very tall } }
  %{%} >> }
\score { c' }
#(ly:set-option 'debug-skylines)

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