texlive[50682] Master/texmf-dist/tex/texinfo/texinfo.tex: revert
commits+karl at tug.org
commits+karl at tug.org
Mon Apr 1 00:19:58 CEST 2019
Revision: 50682
http://tug.org/svn/texlive?view=revision&revision=50682
Author: karl
Date: 2019-04-01 00:19:58 +0200 (Mon, 01 Apr 2019)
Log Message:
-----------
revert texinfo.tex to 2019-03-03.15 per Gavin
Modified Paths:
--------------
trunk/Master/texmf-dist/tex/texinfo/texinfo.tex
Modified: trunk/Master/texmf-dist/tex/texinfo/texinfo.tex
===================================================================
--- trunk/Master/texmf-dist/tex/texinfo/texinfo.tex 2019-03-31 22:04:57 UTC (rev 50681)
+++ trunk/Master/texmf-dist/tex/texinfo/texinfo.tex 2019-03-31 22:19:58 UTC (rev 50682)
@@ -3,7 +3,8 @@
% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2019-03-23.11}
+\def\texinfoversion{2019-03-03.15}
+
%
% Copyright 1985, 1986, 1988, 1990-2019 Free Software Foundation, Inc.
%
@@ -386,8 +387,14 @@
% take effect in \write's, yet the group defined by the \vbox ends
% before the \shipout runs.
%
- \atdummies % don't expand commands in the output.
- \turnoffactive
+ \indexdummies % don't expand commands in the output.
+ \normalturnoffactive % \ in index entries must not stay \, e.g., if
+ % the page break happens to be in the middle of an example.
+ % We don't want .vr (or whatever) entries like this:
+ % \entry{{\indexbackslash }acronym}{32}{\code {\acronym}}
+ % "\acronym" won't work when it's read back in;
+ % it needs to be
+ % {\code {{\backslashcurfont }acronym}
\shipout\vbox{%
% Do this early so pdf references go to the beginning of the page.
\ifpdfmakepagedest \pdfdest name{\the\pageno} xyz\fi
@@ -448,10 +455,11 @@
}%
}
-% First remove any @comment, then any @c comment. Pass the result on to
-% \argcheckspaces.
+% First remove any @comment, then any @c comment. Also remove a @texinfoc
+% comment (see \scanmacro for details). Pass the result on to \argcheckspaces.
\def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm}
-\def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm}
+\def\argremovec#1\c#2\ArgTerm{\argremovetexinfoc #1\texinfoc\ArgTerm}
+\def\argremovetexinfoc#1\texinfoc#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm}
% Each occurrence of `\^^M' or `<space>\^^M' is replaced by a single space.
%
@@ -1123,16 +1131,6 @@
\fi
\fi
-\newif\ifpdforxetex
-\pdforxetexfalse
-\ifpdf
- \pdforxetextrue
-\fi
-\ifx\XeTeXrevision\thisisundefined\else
- \pdforxetextrue
-\fi
-
-
% PDF uses PostScript string constants for the names of xref targets,
% for display in the outlines, and in other places. Thus, we have to
% double any backslashes. Otherwise, a name like "\node" will be
@@ -2846,7 +2844,7 @@
% @t, explicit typewriter.
\def\t#1{%
- {\tt \plainfrenchspacing #1}%
+ {\tt \rawbackslash \plainfrenchspacing #1}%
\null
}
@@ -2873,6 +2871,7 @@
% Turn off hyphenation.
\nohyphenation
%
+ \rawbackslash
\plainfrenchspacing
#1%
}%
@@ -3113,7 +3112,7 @@
% So now @email is just like @uref, unless we are pdf.
%
%\def\email#1{\angleleft{\tt #1}\angleright}
-\ifpdforxetex
+\ifpdf
\def\email#1{\doemail#1,,\finish}
\def\doemail#1,#2,#3\finish{\begingroup
\unsepspaces
@@ -3123,7 +3122,18 @@
\endlink
\endgroup}
\else
- \let\email=\uref
+ \ifx\XeTeXrevision\thisisundefined
+ \let\email=\uref
+ \else
+ \def\email#1{\doemail#1,,\finish}
+ \def\doemail#1,#2,#3\finish{\begingroup
+ \unsepspaces
+ \pdfurl{mailto:#1}%
+ \setbox0 = \hbox{\ignorespaces #2}%
+ \ifdim\wd0>0pt\unhbox0\else\code{#1}\fi
+ \endlink
+ \endgroup}
+ \fi
\fi
% @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always),
@@ -4657,6 +4667,19 @@
}
}
+% We have this subroutine so that we can handle at least some @value's
+% properly in indexes (we call \makevalueexpandable in \indexdummies).
+% The command has to be fully expandable (if the variable is set), since
+% the result winds up in the index file. This means that if the
+% variable's value contains other Texinfo commands, it's almost certain
+% it will fail (although perhaps we could fix that with sufficient work
+% to do a one-level expansion on the result, instead of complete).
+%
+% Unfortunately, this has the consequence that when _ is in the *value*
+% of an @set, it does not print properly in the roman fonts (get the cmr
+% dot accent at position 126 instead). No fix comes to mind, and it's
+% been this way since 2003 or earlier, so just ignore it.
+%
\def\expandablevalue#1{%
\expandafter\ifx\csname SET#1\endcsname\relax
{[No value for ``#1'']}%
@@ -4685,7 +4708,7 @@
% if possible, otherwise sort late.
\def\indexnofontsvalue#1{%
\expandafter\ifx\csname SET#1\endcsname\relax
- ZZZZZZZ%
+ ZZZZZZZ
\else
\csname SET#1\endcsname
\fi
@@ -4835,9 +4858,24 @@
\def\docodeindexxxx #1{\doind{\indexname}{\code{#1}}}
-% Used for the aux, toc and index files to prevent expansion of Texinfo
-% commands.
+% Used when writing an index entry out to an index file to prevent
+% expansion of Texinfo commands that can appear in an index entry.
%
+\def\indexdummies{%
+ \escapechar = `\\ % use backslash in output files.
+ \definedummyletter\@%
+ \definedummyletter\ %
+ %
+ % For texindex which always views { and } as separators.
+ \def\{{\lbracechar{}}%
+ \def\}{\rbracechar{}}%
+ %
+ % Do the redefinitions.
+ \definedummies
+}
+
+% Used for the aux and toc files, where @ is the escape character.
+%
\def\atdummies{%
\definedummyletter\@%
\definedummyletter\ %
@@ -4866,7 +4904,8 @@
\def\definedummyletter#1{\def#1{\string#1}}%
\let\definedummyaccent\definedummyletter
-% Called from \atdummies to prevent the expansion of commands.
+% Called from \indexdummies and \atdummies, to effectively prevent
+% the expansion of commands.
%
\def\definedummies{%
%
@@ -5031,9 +5070,11 @@
\commondummyword\xref
}
+% This does nothing, but for a time it was recommended to use
+% \usebracesinindexestrue to be able to use braces in index entries.
+
\let\indexlbrace\relax
\let\indexrbrace\relax
-\let\indexatchar\relax
{\catcode`\@=0
\catcode`\\=13
@@ -5067,8 +5108,10 @@
}
\gdef\indexnonalnumreappear{%
+ \useindexbackslash
\let-\normaldash
\let<\normalless
+ \def\@{@}%
}
}
@@ -5179,6 +5222,8 @@
+\let\SETmarginindex=\relax % put index entries in margin (undocumented)?
+
% #1 is the index name, #2 is the entry text.
\def\doind#1#2{%
\iflinks
@@ -5210,6 +5255,13 @@
\fi}
\def\indexisfl{fl}
+% Output \ as {\indexbackslash}, because \ is an escape character in
+% the index files.
+\let\indexbackslash=\relax
+{\catcode`\@=0 \catcode`\\=\active
+ @gdef at useindexbackslash{@def\{{@indexbackslash}}}
+}
+
% Definition for writing index entry sort key.
{
\catcode`\-=13
@@ -5221,25 +5273,14 @@
\xdef\indexsortkey{#1}\endgroup}
}
-\def\indexwriteseealso#1{
- \gdef\pagenumbertext{@seealso{#1}}%
-}
-
-% The default definitions
-\def\sortas#1{}%
-\def\seealso#1{\i{\putwordSeeAlso}\ #1}% for sorted index file only
-\def\putwordSeeAlso{see also}
-
% Given index entry text like "aaa @subentry bbb @sortas{ZZZ}":
% * Set \bracedtext to "{aaa}{bbb}"
% * Set \fullindexsortkey to "aaa @subentry ZZZ"
-% * If @seealso occurs, set \pagenumbertext
%
\def\splitindexentry#1{%
\gdef\fullindexsortkey{}%
\xdef\bracedtext{}%
\def\sep{}%
- \def\seealso##1{}%
\expandafter\doindexsegment#1\subentry\finish\subentry
}
@@ -5251,6 +5292,7 @@
%
% Fully expand the segment, throwing away any @sortas directives, and
% trim spaces.
+ \def\sortas##1{}%
\edef\trimmed{\segment}%
\edef\trimmed{\expandafter\eatspaces\expandafter{\trimmed}}%
%
@@ -5260,7 +5302,6 @@
% font commands turned off.
\bgroup
\let\sortas\indexwritesortas
- \let\seealso\indexwriteseealso
\indexnofonts
% The braces around the commands are recognized by texindex.
\def\lbracechar{{\indexlbrace}}%
@@ -5267,13 +5308,10 @@
\def\rbracechar{{\indexrbrace}}%
\let\{=\lbracechar
\let\}=\rbracechar
- \def\@{{\indexatchar}}%
- \def\atchar##1{\@}%
%
\let\indexsortkey\empty
- \global\let\pagenumbertext\empty
% Execute the segment and throw away the typeset output. This executes
- % any @sortas or @seealso commands in this segment.
+ % any @sortas commands in this segment.
\setbox\dummybox = \hbox{\segment}%
\ifx\indexsortkey\empty{%
\indexnonalnumdisappear
@@ -5294,7 +5332,6 @@
\fi
}
\def\isfinish{\finish}%
-\newbox\dummybox % used above
\let\subentry\relax
@@ -5301,14 +5338,16 @@
% Write the entry in \toks0 to the index file.
%
\def\doindwrite{%
- \maybemarginindex
+ % Put the index entry in the margin if desired.
+ \ifx\SETmarginindex\relax\else
+ \insert\margin{\hbox{\vrule height8pt depth3pt width0pt \the\toks0}}%
+ \fi
%
- \atdummies
+ % Remember, we are within a group.
+ \indexdummies % Must do this here, since \bf, etc expand at this stage
+ \useindexbackslash % \indexbackslash isn't defined now so it will be output
+ % as is; and it will print as backslash.
%
- % For texindex which always views { and } as separators.
- \def\{{\lbracechar{}}%
- \def\}{\rbracechar{}}%
- %
% Split the entry into primary entry and any subentries, and get the index
% sort key.
\splitindexentry\indextext
@@ -5321,22 +5360,12 @@
%
\edef\temp{%
\write\writeto{%
- \string\entry{\fullindexsortkey}%
- {\ifx\pagenumbertext\empty\noexpand\folio\else\pagenumbertext\fi}%
- \bracedtext}%
+ \string\entry{\fullindexsortkey}{\noexpand\folio}\bracedtext}%
}%
\temp
}
+\newbox\dummybox % used above
-% Put the index entry in the margin if desired (undocumented).
-\def\maybemarginindex{%
- \ifx\SETmarginindex\relax\else
- \insert\margin{\hbox{\vrule height8pt depth3pt width0pt \relax\indextext}}%
- \fi
-}
-\let\SETmarginindex=\relax
-
-
% Take care of unwanted page breaks/skips around a whatsit:
%
% If a skip is the last thing on the list now, preserve it
@@ -5423,14 +5452,9 @@
% \entry {topic}{pagelist}
% for a topic that is used without subtopics
% \primary {topic}
-% \entry {topic}{}
% for the beginning of a topic that is used with subtopics
% \secondary {subtopic}{pagelist}
% for each subtopic.
-% \secondary {subtopic}{}
-% for a subtopic with sub-subtopics
-% \tertiary {subtopic}{subsubtopic}{pagelist}
-% for each sub-subtopic.
% Define the user-accessible indexing commands
% @findex, @vindex, @kindex, @cindex.
@@ -5455,10 +5479,14 @@
\plainfrenchspacing
\everypar = {}% don't want the \kern\-parindent from indentation suppression.
%
+ % See if the index file exists and is nonempty.
+ % Change catcode of @ here so that if the index file contains
+ % \initial {@}
+ % as its first line, TeX doesn't complain about mismatched braces
+ % (because it thinks @} is a control sequence).
+ \catcode`\@ = 12
% See comment in \requireopenindexfile.
\def\indexname{#1}\ifx\indexname\indexisfl\def\indexname{f1}\fi
- %
- % See if the index file exists and is nonempty.
\openin 1 \jobname.\indexname s
\ifeof 1
% \enddoublecolumns gets confused if there is no text in the index,
@@ -5468,6 +5496,8 @@
\putwordIndexNonexistent
\typeout{No file \jobname.\indexname s.}%
\else
+ \catcode`\\ = 0
+ %
% If the index file exists but is empty, then \openin leaves \ifeof
% false. We have to make TeX try to read something from the file, so
% it can discover if there is anything in it.
@@ -5475,28 +5505,48 @@
\ifeof 1
\putwordIndexIsEmpty
\else
- \expandafter\printindexzz\thisline\relax\relax\finish%
+ % Index files are almost Texinfo source, but we use \ as the escape
+ % character. It would be better to use @, but that's too big a change
+ % to make right now.
+ \def\indexbackslash{\ttbackslash}%
+ \let\indexlbrace\{ % Likewise, set these sequences for braces
+ \let\indexrbrace\} % used in the sort key.
+ \begindoublecolumns
+ \let\dotheinsertentrybox\dotheinsertentryboxwithpenalty
+ %
+ % Read input from the index file line by line.
+ \loopdo
+ \ifeof1 \else
+ \read 1 to \nextline
+ \fi
+ %
+ \indexinputprocessing
+ \thisline
+ %
+ \ifeof1\else
+ \let\thisline\nextline
+ \repeat
+ %%
+ \enddoublecolumns
\fi
\fi
\closein 1
\endgroup}
+\def\loopdo#1\repeat{\def\body{#1}\loopdoxxx}
+\def\loopdoxxx{\let\next=\relax\body\let\next=\loopdoxxx\fi\next}
-% If the index file starts with a backslash, forgo reading the index
-% file altogether. If somebody upgrades texinfo.tex they may still have
-% old index files using \ as the escape character. Reading this would
-% at best lead to typesetting garbage, at worst a TeX syntax error.
-\def\printindexzz#1#2\finish{%
- % NB this won't work if the index file starts with a group...
- \uccode`\~=`\\ \uppercase{\if\noexpand~}\noexpand#1
- \message{skipping sorted index file}%
- (Skipped sorted index file in obsolete format)
+\def\indexinputprocessing{%
+ \ifeof1
+ \let\firsttoken\relax
\else
- \begindoublecolumns
- \input \jobname.\indexname s
- \enddoublecolumns
+ \edef\act{\gdef\noexpand\firsttoken{\getfirsttoken\nextline}}%
+ \act
\fi
}
+\def\getfirsttoken#1{\expandafter\getfirsttokenx#1\endfirsttoken}
+\long\def\getfirsttokenx#1#2\endfirsttoken{\noexpand#1}
+
% These macros are used by the sorted index file itself.
% Change them to control the appearance of the index.
@@ -5504,18 +5554,12 @@
\catcode`\|=13 \catcode`\<=13 \catcode`\>=13 \catcode`\+=13 \catcode`\"=13
\catcode`\$=3
\gdef\initialglyphs{%
- % special control sequences used in the index sort key
- \let\indexlbrace\{%
- \let\indexrbrace\}%
- \let\indexatchar\@%
- %
% Some changes for non-alphabetic characters. Using the glyphs from the
% math fonts looks more consistent than the typewriter font used elsewhere
% for these characters.
- \uccode`\~=`\\ \uppercase{\def~{\math{\backslash}}}
+ \def\indexbackslash{\math{\backslash}}%
+ \let\\=\indexbackslash
%
- % In case @\ is used for backslash
- \uppercase{\let\\=~}
% Can't get bold backslash so don't use bold forward slash
\catcode`\/=13
\def/{{\secrmnotbold \normalslash}}%
@@ -5575,6 +5619,12 @@
\def\entry{%
\begingroup
%
+ % For pdfTeX and XeTeX.
+ % The redefinition of \domark stops marks being added in \pdflink to
+ % preserve coloured links across page boundaries. Otherwise the marks
+ % would get in the way of \lastbox in \insertentrybox.
+ \let\domark\relax
+ %
% Start a new paragraph if necessary, so our assignments below can't
% affect previous text.
\par
@@ -5607,31 +5657,35 @@
\gdef\finishentry#1{%
\egroup % end box A
\dimen@ = \wd\boxA % Length of text of entry
- \global\setbox\boxA=\hbox\bgroup
- \unhbox\boxA
- % #1 is the page number.
+ \global\setbox\boxA=\hbox\bgroup\unhbox\boxA
+ % #1 is the page number.
+ %
+ % Get the width of the page numbers, and only use
+ % leaders if they are present.
+ \global\setbox\boxB = \hbox{#1}%
+ \ifdim\wd\boxB = 0pt
+ \null\nobreak\hfill\ %
+ \else
%
- % Get the width of the page numbers, and only use
- % leaders if they are present.
- \global\setbox\boxB = \hbox{#1}%
- \ifdim\wd\boxB = 0pt
- \null\nobreak\hfill\ %
+ \null\nobreak\indexdotfill % Have leaders before the page number.
+ %
+ \ifpdf
+ \pdfgettoks#1.%
+ \hskip\skip\thinshrinkable\the\toksA
\else
- %
- \null\nobreak\indexdotfill % Have leaders before the page number.
- %
- \ifpdforxetex
+ \ifx\XeTeXrevision\thisisundefined
+ \hskip\skip\thinshrinkable #1%
+ \else
\pdfgettoks#1.%
\hskip\skip\thinshrinkable\the\toksA
- \else
- \hskip\skip\thinshrinkable #1%
\fi
\fi
+ \fi
\egroup % end \boxA
\ifdim\wd\boxB = 0pt
- \noindent\unhbox\boxA\par
- \nobreak
- \else\bgroup
+ \global\setbox\entrybox=\vbox{\unhbox\boxA}%
+ \else
+ \global\setbox\entrybox=\vbox\bgroup
% We want the text of the entries to be aligned to the left, and the
% page numbers to be aligned to the right.
%
@@ -5697,11 +5751,55 @@
\egroup % The \vbox
\fi
\endgroup
+ \dotheinsertentrybox
}}
\newskip\thinshrinkable
\skip\thinshrinkable=.15em minus .15em
+\newbox\entrybox
+\def\insertentrybox{%
+ \ourunvbox\entrybox
+}
+
+% default definition
+\let\dotheinsertentrybox\insertentrybox
+
+% Use \lastbox to take apart vbox box by box, and add each sub-box
+% to the current vertical list.
+\def\ourunvbox#1{%
+\bgroup % for local binding of \delayedbox
+ % Remove the last box from box #1
+ \global\setbox#1=\vbox{%
+ \unvbox#1%
+ \unskip % remove any glue
+ \unpenalty
+ \global\setbox\interbox=\lastbox
+ }%
+ \setbox\delayedbox=\box\interbox
+ \ifdim\ht#1=0pt\else
+ \ourunvbox#1 % Repeat on what's left of the box
+ \nobreak
+ \fi
+ \box\delayedbox
+\egroup
+}
+\newbox\delayedbox
+\newbox\interbox
+
+% Used from \printindex. \firsttoken should be the first token
+% after the \entry. If it's not another \entry, we are at the last
+% line of a group of index entries, so insert a penalty to discourage
+% widowed index entries.
+\def\dotheinsertentryboxwithpenalty{%
+ \ifx\firsttoken\isentry
+ \else
+ \penalty 9000
+ \fi
+ \insertentrybox
+}
+\def\isentry{\entry}%
+
% Like plain.tex's \dotfill, except uses up at least 1 em.
% The filll stretch here overpowers both the fil and fill stretch to push
% the page number to the right.
@@ -5711,16 +5809,25 @@
\def\primary #1{\line{#1\hfil}}
-\def\secondary{\indententry{0.5cm}}
-\def\tertiary{\indententry{1cm}}
+\newskip\secondaryindent \secondaryindent=0.5cm
+\def\secondary#1#2{{%
+ \parfillskip=0in
+ \parskip=0in
+ \hangindent=1in
+ \hangafter=1
+ \noindent\hskip\secondaryindent\hbox{#1}\indexdotfill
+ \ifpdf
+ \pdfgettoks#2.\ \the\toksA % The page number ends the paragraph.
+ \else
+ \ifx\XeTeXrevision\thisisundefined
+ #2
+ \else
+ \pdfgettoks#2.\ \the\toksA % The page number ends the paragraph.
+ \fi
+ \fi
+ \par
+}}
-\def\indententry#1#2#3{%
- \bgroup
- \leftskip=#1
- \entry{#2}{#3}%
- \egroup
-}
-
% Define two-column mode, which we use to typeset indexes.
% Adapted from the TeXbook, page 416, which is to say,
% the manmac.tex format used to print the TeXbook itself.
@@ -5737,6 +5844,17 @@
\output = {%
\savetopmark
%
+ % Here is a possibility not foreseen in manmac: if we accumulate a
+ % whole lot of material, we might end up calling this \output
+ % routine twice in a row (see the doublecol-lose test, which is
+ % essentially a couple of indexes with @setchapternewpage off). In
+ % that case we just ship out what is in \partialpage with the normal
+ % output routine. Generally, \partialpage will be empty when this
+ % runs and this will be a no-op. See the indexspread.tex test case.
+ \ifvoid\partialpage \else
+ \onepageout{\pagecontents\partialpage}%
+ \fi
+ %
\global\setbox\partialpage = \vbox{%
% Unvbox the main output page.
\unvbox\PAGE
@@ -6016,9 +6134,11 @@
% @raisesections: treat @section as chapter, @subsection as section, etc.
\def\raisesections{\global\advance\secbase by -1}
+\let\up=\raisesections % original BFox name
% @lowersections: treat @chapter as section, @section as subsection, etc.
\def\lowersections{\global\advance\secbase by 1}
+\let\down=\lowersections % original BFox name
% we only have subsub.
\chardef\maxseclevel = 3
@@ -6670,8 +6790,13 @@
% 1 and 2 (the page numbers aren't printed), and so are the first
% two pages of the document. Thus, we'd have two destinations named
% `1', and two named `2'.
- \ifpdforxetex
+ \ifpdf
\global\pdfmakepagedesttrue
+ \else
+ \ifx\XeTeXrevision\thisisundefined
+ \else
+ \global\pdfmakepagedesttrue
+ \fi
\fi
}
@@ -7034,7 +7159,11 @@
% @cartouche ... @end cartouche: draw rectangle w/rounded corners around
% environment contents.
-
+\font\circle=lcircle10
+\newdimen\circthick
+\newdimen\cartouter\newdimen\cartinner
+\newskip\normbskip\newskip\normpskip\newskip\normlskip
+\circthick=\fontdimen8\circle
%
\def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth
\def\ctr{{\hskip 6pt\circle\char'010}}
@@ -7049,18 +7178,7 @@
%
\newskip\lskip\newskip\rskip
-% only require the font if @cartouche is actually used
-\def\cartouchefontdefs{%
- \font\circle=lcircle10\relax
- \circthick=\fontdimen8\circle
-}
-\newdimen\circthick
-\newdimen\cartouter\newdimen\cartinner
-\newskip\normbskip\newskip\normpskip\newskip\normlskip
-
-
\envdef\cartouche{%
- \cartouchefontdefs
\ifhmode\par\fi % can't be in the midst of a paragraph.
\startsavinginserts
\lskip=\leftskip \rskip=\rightskip
@@ -7932,6 +8050,12 @@
}
\fi
+% alias because \c means cedilla in @tex or @math
+\let\texinfoc=\c
+
+\newcount\savedcatcodeone
+\newcount\savedcatcodetwo
+
% Used at the time of macro expansion.
% Argument is macro body with arguments substituted
\def\scanmacro#1{%
@@ -7938,12 +8062,24 @@
\newlinechar`\^^M
\def\xeatspaces{\eatspaces}%
%
+ % Temporarily undo catcode changes of \printindex. Set catcode of @ to
+ % 0 so that @-commands in macro expansions aren't printed literally when
+ % formatting an index file, where \ is used as the escape character.
+ \savedcatcodeone=\catcode`\@
+ \savedcatcodetwo=\catcode`\\
+ \catcode`\@=0
+ \catcode`\\=\active
+ %
% Process the macro body under the current catcode regime.
- \scantokens{#1 at comment}%
+ \scantokens{#1 at texinfoc}%
%
- % The \comment is to remove the \newlinechar added by \scantokens, and
- % can be noticed by \parsearg. Note \c isn't used because this means cedilla
- % in math mode.
+ \catcode`\@=\savedcatcodeone
+ \catcode`\\=\savedcatcodetwo
+ %
+ % The \texinfoc is to remove the \newlinechar added by \scantokens, and
+ % can be noticed by \parsearg.
+ % We avoid surrounding the call to \scantokens with \bgroup and \egroup
+ % to allow macros to open or close groups themselves.
}
% Used for copying and captions
@@ -8044,7 +8180,6 @@
\def\macroargctxt{%
\scanctxt
\catcode`\ =\active
- \catcode`\@=\other
\catcode`\^^M=\other
\catcode`\\=\active
}
@@ -8051,7 +8186,6 @@
\def\macrolineargctxt{% used for whole-line arguments without braces
\scanctxt
- \catcode`\@=\other
\catcode`\{=\other
\catcode`\}=\other
}
@@ -8615,21 +8749,9 @@
% also remove a trailing comma, in case of something like this:
% @node Help-Cross, , , Cross-refs
\def\donode#1 ,#2\finishnodeparse{\dodonode #1,\finishnodeparse}
-\def\dodonode#1,#2\finishnodeparse{\gdef\lastnode{#1}\omittopnode}
+\def\dodonode#1,#2\finishnodeparse{\gdef\lastnode{#1}}
-% Used so that the @top node doesn't have to be wrapped in an @ifnottex
-% conditional.
-% \doignore goes to more effort to skip nested conditionals but we don't need
-% that here.
-\def\omittopnode{%
- \ifx\lastnode\wordTop
- \expandafter\ignorenode\fi
-}
-\def\wordTop{Top}
-
-% Divert output to a box that is not output until the next @node command.
-\def\ignorenode{\setbox\dummybox\vbox\bgroup\def\node{\egroup\node}}
-
+\let\nwnode=\node
\let\lastnode=\empty
% Write a cross-reference definition for the current node. #1 is the
@@ -9104,6 +9226,19 @@
\catcode`\^^]=\other
\catcode`\^^^=\other
\catcode`\^^_=\other
+ % It was suggested to set the catcode of ^ to 7, which would allow ^^e4 etc.
+ % in xref tags, i.e., node names. But since ^^e4 notation isn't
+ % supported in the main text, it doesn't seem desirable. Furthermore,
+ % that is not enough: for node names that actually contain a ^
+ % character, we would end up writing a line like this: 'xrdef {'hat
+ % b-title}{'hat b} and \xrdef does a \csname...\endcsname on the first
+ % argument, and \hat is not an expandable control sequence. It could
+ % all be worked out, but why? Either we support ^^ or we don't.
+ %
+ % The other change necessary for this was to define \auxhat:
+ % \def\auxhat{\def^{'hat }}% extra space so ok if followed by letter
+ % and then to call \auxhat in \setq.
+ %
\catcode`\^=\other
%
% Special characters. Should be turned off anyway, but...
@@ -9121,7 +9256,14 @@
\catcode`\%=\other
\catcode`+=\other % avoid \+ for paranoia even though we've turned it off
%
- \catcode`\\=\active
+ % This is to support \ in node names and titles, since the \
+ % characters end up in a \csname. It's easier than
+ % leaving it active and making its active definition an actual \
+ % character. What I don't understand is why it works in the *value*
+ % of the xrdef. Seems like it should be a catcode12 \, and that
+ % should not typeset properly. But it works, so I'm moving on for
+ % now. --karl, 15jan04.
+ \catcode`\\=\other
%
% @ is our escape character in .aux files, and we need braces.
\catcode`\{=1
@@ -11392,9 +11534,11 @@
% \backslashcurfont outputs one backslash character in current font,
% as in \char`\\.
\global\chardef\backslashcurfont=`\\
+\global\let\rawbackslashxx=\backslashcurfont % let existing .??s files work
-% \realbackslash is an actual character `\' with catcode other.
-{\catcode`\\=\other @gdef at realbackslash{\}}
+% \realbackslash is an actual character `\' with catcode other, and
+% \doublebackslash is two of them (for the pdf outlines).
+{\catcode`\\=\other @gdef at realbackslash{\} @gdef at doublebackslash{\\}}
% In Texinfo, backslash is an active character; it prints the backslash
% in fixed width font.
@@ -11412,8 +11556,10 @@
@def at ttbackslash{{@tt @ifmmode @mathchar29020 @else @backslashcurfont @fi}}
@let at backslashchar = @ttbackslash % @backslashchar{} is for user documents.
+% \rawbackslash defines an active \ to do \backslashcurfont.
% \otherbackslash defines an active \ to be a literal `\' character with
-% catcode other.
+% catcode other. We switch back and forth between these.
+ at gdef@rawbackslash{@let\=@backslashcurfont}
@gdef at otherbackslash{@let\=@realbackslash}
% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of
@@ -11485,7 +11631,7 @@
@ifx\@eatinput @let\ = @ttbackslash @fi
@catcode13=5 % regular end of line
@enableemergencynewline
- @let at c=@comment
+ @let at c=@texinfoc
@let at parsearg@originalparsearg
% Also turn back on active characters that might appear in the input
% file name, in case not using a pre-dumped format.
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