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LaTeX: let underfull calculation in wrapped code lines ignore last line

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Closes: #8925
This commit is contained in:
jfbu 2021-02-24 12:53:20 +01:00
parent e0a123361d
commit 294870ba59
1 changed files with 14 additions and 1 deletions
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15
sphinx/texinputs/sphinxlatexliterals.sty
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@ -343,8 +343,21 @@
\fi\fi
}%
% auxiliary paragraph dissector to get max and min widths
% but minwidth must not take into account the last line
\newbox\spx@scratchbox
\def\spx@verb@getwidths {%
\unskip\unpenalty
\setbox\spx@scratchbox\lastbox
\ifvoid\spx@scratchbox
\else
\setbox\spx@scratchbox\hbox{\unhbox\spx@scratchbox}%
\ifdim\spx@verb@maxwidth<\wd\spx@scratchbox
\xdef\spx@verb@maxwidth{\number\wd\spx@scratchbox sp}%
\fi
\expandafter\spx@verb@getwidths@loop
\fi
}%
\def\spx@verb@getwidths@loop {%
\unskip\unpenalty
\setbox\spx@scratchbox\lastbox
\ifvoid\spx@scratchbox
@ -356,7 +369,7 @@
\ifdim\spx@verb@minwidth>\wd\spx@scratchbox
\xdef\spx@verb@minwidth{\number\wd\spx@scratchbox sp}%
\fi
\expandafter\spx@verb@getwidths
\expandafter\spx@verb@getwidths@loop
\fi
}%
% auxiliary macros to implement "cut long line even in middle of word"