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-rw-r--r--Master/texmf-dist/tex/texinfo/texinfo.tex97
1 files changed, 45 insertions, 52 deletions
diff --git a/Master/texmf-dist/tex/texinfo/texinfo.tex b/Master/texmf-dist/tex/texinfo/texinfo.tex
index ebb16b44bdc..192284cccc1 100644
--- a/Master/texmf-dist/tex/texinfo/texinfo.tex
+++ b/Master/texmf-dist/tex/texinfo/texinfo.tex
@@ -3,7 +3,7 @@
% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2019-03-02.16}
+\def\texinfoversion{2019-03-03.15}
%
% Copyright 1985, 1986, 1988, 1990-2019 Free Software Foundation, Inc.
@@ -310,7 +310,9 @@
% Main output routine.
%
\chardef\PAGE = 255
-\output = {\savetopmark\onepageout{\pagecontents\PAGE}}
+\newtoks\defaultoutput
+\defaultoutput = {\savetopmark\onepageout{\pagecontents\PAGE}}
+\output=\expandafter{\the\defaultoutput}
\newbox\headlinebox
\newbox\footlinebox
@@ -3056,41 +3058,33 @@ end
\global\def/{\normalslash}
}
-% we put a little stretch before and after the breakable chars, to help
-% line breaking of long url's. The unequal skips make look better in
-% cmtt at least, especially for dots.
-\def\urefprestretchamount{.13em}
-\def\urefpoststretchamount{.1em}
-\def\urefprestretch{\urefprebreak \hskip0pt plus\urefprestretchamount\relax}
-\def\urefpoststretch{\urefpostbreak \hskip0pt plus\urefprestretchamount\relax}
-%
-\def\urefcodeamp{\urefprestretch \&\urefpoststretch}
-\def\urefcodedot{\urefprestretch .\urefpoststretch}
-\def\urefcodehash{\urefprestretch \#\urefpoststretch}
-\def\urefcodequest{\urefprestretch ?\urefpoststretch}
+\def\urefcodeamp{\urefprebreak \&\urefpostbreak}
+\def\urefcodedot{\urefprebreak .\urefpostbreak}
+\def\urefcodehash{\urefprebreak \#\urefpostbreak}
+\def\urefcodequest{\urefprebreak ?\urefpostbreak}
\def\urefcodeslash{\futurelet\next\urefcodeslashfinish}
{
\catcode`\/=\active
\global\def\urefcodeslashfinish{%
- \urefprestretch \slashChar
+ \urefprebreak \slashChar
% Allow line break only after the final / in a sequence of
% slashes, to avoid line break between the slashes in http://.
- \ifx\next/\else \urefpoststretch \fi
+ \ifx\next/\else \urefpostbreak \fi
}
}
-% One more complication: by default we'll break after the special
-% characters, but some people like to break before the special chars, so
-% allow that. Also allow no breaking at all, for manual control.
+% By default we'll break after the special characters, but some people like to
+% break before the special chars, so allow that. Also allow no breaking at
+% all, for manual control.
%
\parseargdef\urefbreakstyle{%
\def\txiarg{#1}%
\ifx\txiarg\wordnone
\def\urefprebreak{\nobreak}\def\urefpostbreak{\nobreak}
\else\ifx\txiarg\wordbefore
- \def\urefprebreak{\allowbreak}\def\urefpostbreak{\nobreak}
+ \def\urefprebreak{\urefallowbreak}\def\urefpostbreak{\nobreak}
\else\ifx\txiarg\wordafter
- \def\urefprebreak{\nobreak}\def\urefpostbreak{\allowbreak}
+ \def\urefprebreak{\nobreak}\def\urefpostbreak{\urefallowbreak}
\else
\errhelp = \EMsimple
\errmessage{Unknown @urefbreakstyle setting `\txiarg'}%
@@ -3100,6 +3094,14 @@ end
\def\wordbefore{before}
\def\wordnone{none}
+% Allow a ragged right output to aid breaking long URL's. Putting stretch in
+% between characters of the URL doesn't look good.
+\def\urefallowbreak{%
+ \hskip 0pt plus 1fil\relax
+ \allowbreak
+ \hskip 0pt plus -1fil\relax
+}
+
\urefbreakstyle after
% @url synonym for @uref, since that's how everyone uses it.
@@ -5222,35 +5224,16 @@ end
\let\SETmarginindex=\relax % put index entries in margin (undocumented)?
-% Most index entries go through here, but \dosubind is the general case.
% #1 is the index name, #2 is the entry text.
-\def\doind#1#2{\dosubind{#1}{#2}{}}
-
-% There is also \dosubind {index}{topic}{subtopic}
-% which makes an entry in a two-level index such as the operation index.
-% TODO: Two-level index? Operation index?
-
-% Workhorse for all indexes.
-% #1 is name of index, #2 is stuff to put there, #3 is subentry --
-% empty if called from \doind, as we usually are (the main exception
-% is with most defuns, which call us directly).
-%
-\def\dosubind#1#2#3{%
+\def\doind#1#2{%
\iflinks
{%
- \requireopenindexfile{#1}%
- % Store the main index entry text (including the third arg).
- % If third arg is present, precede it with a space.
- \def\thirdarg{#3}%
- \ifx\thirdarg\empty
- \def\indextext{#2}%
- \else
- \def\indextext{#2\space#3}%
- \fi
%
+ \requireopenindexfile{#1}%
\edef\writeto{\csname#1indfile\endcsname}%
%
- \safewhatsit\dosubindwrite
+ \def\indextext{#2}%
+ \safewhatsit\doindwrite
}%
\fi
}
@@ -5354,7 +5337,7 @@ end
% Write the entry in \toks0 to the index file.
%
-\def\dosubindwrite{%
+\def\doindwrite{%
% Put the index entry in the margin if desired.
\ifx\SETmarginindex\relax\else
\insert\margin{\hbox{\vrule height8pt depth3pt width0pt \the\toks0}}%
@@ -5983,7 +5966,7 @@ end
% Having called \balancecolumns once, we do not
% want to call it again. Therefore, reset \output to its normal
% definition right away.
- \global\output = {\onepageout{\pagecontents\PAGE}}%
+ \global\output=\expandafter{\the\defaultoutput}
%
\endgroup % started in \begindoublecolumns
% Leave the double-column material on the current page, no automatic
@@ -7374,13 +7357,9 @@ end
% @raggedright does more-or-less normal line breaking but no right
-% justification. From plain.tex. Don't stretch around special
-% characters in urls in this environment, since the stretch at the right
-% should be enough.
+% justification. From plain.tex.
\envdef\raggedright{%
\rightskip0pt plus2.4em \spaceskip.3333em \xspaceskip.5em\relax
- \def\urefprestretchamount{0pt}%
- \def\urefpoststretchamount{0pt}%
}
\let\Eraggedright\par
@@ -7755,6 +7734,21 @@ end
\fi\fi
}
+% \dosubind {index}{topic}{subtopic}
+%
+% If SUBTOPIC is present, precede it with a space, and call \doind.
+% (At some time during the 20th century, this made a two-level entry in an
+% index such as the operation index. Nobody seemed to notice the change in
+% behaviour though.)
+\def\dosubind#1#2#3{%
+ \def\thirdarg{#3}%
+ \ifx\thirdarg\empty
+ \doind{#1}{#2}%
+ \else
+ \doind{#1}{#2\space#3}%
+ \fi
+}
+
% Untyped functions:
% @deffn category name args
@@ -7769,7 +7763,6 @@ end
% \deffngeneral {subind}category name args
%
\def\deffngeneral#1#2 #3 #4\endheader{%
- % Remember that \dosubind{fn}{foo}{} is equivalent to \doind{fn}{foo}.
\dosubind{fn}{\code{#3}}{#1}%
\defname{#2}{}{#3}\magicamp\defunargs{#4\unskip}%
}