From c50cc4923f2b8db952b90cba5534e12a436b1a5a Mon Sep 17 00:00:00 2001 From: kaoru Date: Tue, 28 Jan 2003 22:16:41 +0000 Subject: [PATCH] Update to version 2003-01-27.08. --- doc/texinfo.tex | 414 ++++++++++++++++++++++++++++++++----------------------- 1 file changed, 242 insertions(+), 172 deletions(-) diff --git a/doc/texinfo.tex b/doc/texinfo.tex index c01e07f..7c912ca 100644 --- a/doc/texinfo.tex +++ b/doc/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{2003-01-17.09} +\def\texinfoversion{2003-01-27.08} % % Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. @@ -482,13 +482,16 @@ \let\{=\mylbrace \let\}=\myrbrace \begingroup - % Definitions to produce actual \{ & \} command in an index. + % Definitions to produce \{ and \} commands for indices, + % and @{ and @} for the aux file. \catcode`\{ = \other \catcode`\} = \other \catcode`\[ = 1 \catcode`\] = 2 - \catcode`\@ = 0 \catcode`\\ = \other - @gdef@lbracecmd[\{]% - @gdef@rbracecmd[\}]% -@endgroup + \catcode`\! = 0 \catcode`\\ = \other + !gdef!lbracecmd[\{]% + !gdef!rbracecmd[\}]% + !gdef!lbraceatcmd[@{]% + !gdef!rbraceatcmd[@}]% +!endgroup % Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent % Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H. @@ -498,7 +501,6 @@ \let\tieaccent = \t \let\ubaraccent = \b \let\udotaccent = \d -\let\acuteaccent = \' % workaround aux file using ' as escape % Other special characters: @questiondown @exclamdown % Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss. @@ -1365,7 +1367,25 @@ where each line of input produces a line of output.} \let\tensf=\smallersf \let\teni=\smalleri \let\tensy=\smallersy \let\tenttsl=\smallerttsl \resetmathfonts \setleading{9.5pt}} -\let\smallexamplefonts = \smallerfonts + +% Set the fonts to use with the @small... environments. +\let\smallexamplefonts = \smallfonts + +% About \smallexamplefonts. If we use \smallfonts (9pt), @smallexample +% can fit this many characters: +% 8.5x11=86 smallbook=72 a4=90 a5=69 +% If we use \smallerfonts (8pt), then we can fit this many characters: +% 8.5x11=90+ smallbook=80 a4=90+ a5=77 +% For me, subjectively, the few extra characters that fit aren't worth +% the additional smallness of 8pt. So I'm making the default 9pt. +% +% By the way, for comparison, here's what fits with @example (10pt): +% 8.5x11=71 smallbook=60 a4=75 a5=58 +% +% I wish we used A4 paper on this side of the Atlantic. +% +% --karl, 24jan03. + % Set up the default fonts, so we can use them for creating boxes. % @@ -2279,18 +2299,18 @@ where each line of input produces a line of output.} \go } -% This used to have \hskip1sp. But then the space in a template line is -% not enough. That is bad. So let's go back to just & until we -% encounter the problem it was intended to solve again. -% --karl, nathan@acm.org, 20apr99. -\def\tab{&} - % @multitable ... @end multitable definitions: % \def\multitable{\parsearg\dotable} \def\dotable#1{\bgroup \vskip\parskip - \let\item\crcr + \let\item=\crcrwithfootnotes + % A \tab used to include \hskip1sp. But then the space in a template + % line is not enough. That is bad. So let's go back to just & until + % we encounter the problem it was intended to solve again. --karl, + % nathan@acm.org, 20apr99. + \let\tab=&% + \let\startfootins=\startsavedfootnote \tolerance=9500 \hbadness=9500 \setmultitablespacing @@ -2298,7 +2318,11 @@ where each line of input produces a line of output.} \parindent=\multitableparindent \overfullrule=0pt \global\colcount=0 - \def\Emultitable{\global\setpercentfalse\cr\egroup\egroup}% + \def\Emultitable{% + \global\setpercentfalse + \crcrwithfootnotes\crcr + \egroup\egroup + }% % % To parse everything between @multitable and @item: \setuptable#1 \endsetuptable @@ -2387,6 +2411,25 @@ width0pt\relax} \fi %% than skip between lines in the table. \fi} +% In case a @footnote appears inside an alignment, save the footnote +% text to a box and make the \insert when a row of the table is +% finished. Otherwise, the insertion is lost, it never migrates to the +% main vertical list. --kasal, 22jan03. +% +\newbox\savedfootnotes +% +% \dotable \let's \startfootins to this, so that \dofootnote will call +% it instead of starting the insertion right away. +\def\startsavedfootnote{% + \global\setbox\savedfootnotes = \vbox\bgroup + \unvbox\savedfootnotes +} +\def\crcrwithfootnotes{% + \crcr + \ifvoid\savedfootnotes \else + \noalign{\insert\footins{\box\savedfootnotes}}% + \fi +} \message{conditionals,} % Prevent errors for section commands. @@ -2880,44 +2923,81 @@ width0pt\relax} \fi \def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer} \def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}} -% Define \#1 as \realbackslash #1\space, thus effectively preventing its -% expansion. This is used only for control words, not control -% characters, because the \space would be incorrect for control -% characters, but is needed to separate the control word from whatever -% follows. -% -% This can be used both for control words that take an argument and -% those that do not. If it does take an argument, then it'll be -% followed by {arg} in the input, which will dutifully get written to -% the index (or wherever). -% -\def\definedummyword#1{% - \expandafter\def\csname #1\endcsname{\realbackslash #1\space}% -} - % Take care of Texinfo commands that can appear in an index entry. % Since there are some commands we want to expand, and others we don't, % we have to laboriously prevent expansion for those that we don't. % \def\indexdummies{% - \def\ {\realbackslash }% - \def\@{@}% change to @@ when we switch to @ as escape char in aux files. + \def\@{@}% change to @@ when we switch to @ as escape char in index files. + \def\ {\realbackslash\space }% % Need these in case \tex is in effect and \{ is a \delimiter again. % But can't use \lbracecmd and \rbracecmd because texindex assumes % braces and backslashes are used only as delimiters. \let\{ = \mylbrace \let\} = \myrbrace - \def\_{{\realbackslash _}}% + % + % \definedummyword defines \#1 as \realbackslash #1\space, thus + % effectively preventing its expansion. This is used only for control + % words, not control letters, because the \space would be incorrect + % for control characters, but is needed to separate the control word + % from whatever follows. + % + % For control letters, we have \definedummyletter, which omits the + % space. + % + % These can be used both for control words that take an argument and + % those that do not. If it is followed by {arg} in the input, then + % that will dutifully get written to the index (or wherever). + % + \def\definedummyword##1{% + \expandafter\def\csname ##1\endcsname{\realbackslash ##1\space}% + }% + \def\definedummyletter##1{% + \expandafter\def\csname ##1\endcsname{\realbackslash ##1}% + }% + % + % Do the redefinitions. + \commondummies +} + +% For the aux file, @ is the escape character. So we want to redefine +% everything using @ instead of \realbackslash. When everything uses +% @, this will be simpler. +% +\def\atdummies{% + \def\@{@@}% + \def\ {@ }% + \let\{ = \lbraceatcmd + \let\} = \rbraceatcmd + % + % (See comments in \indexdummies.) + \def\definedummyword##1{% + \expandafter\def\csname ##1\endcsname{@##1\space}% + }% + \def\definedummyletter##1{% + \expandafter\def\csname ##1\endcsname{@##1}% + }% + % + % Do the redefinitions. + \commondummies +} + +% Called from \indexdummies and \atdummies. \definedummyword and +% \definedummyletter must be defined first. +% +\def\commondummies{% + % \normalturnoffactive % - % Accents. - \def\,{\realbackslash ,}% - \def\"{\realbackslash "}% - \def\`{\realbackslash `}% - \def\'{\realbackslash acuteaccent }% workaround aux file using ' as escape - \def\^{\realbackslash ^}% - \def\~{\realbackslash ~}% - \def\={\realbackslash =}% + % Control letters and accents. + \definedummyletter{_}% + \definedummyletter{,}% + \definedummyletter{"}% + \definedummyletter{`}% + \definedummyletter{'}% + \definedummyletter{^}% + \definedummyletter{~}% + \definedummyletter{=}% \definedummyword{u}% \definedummyword{v}% \definedummyword{H}% @@ -2979,11 +3059,16 @@ width0pt\relax} \fi \definedummyword{var}% \definedummyword{w}% % - % These math commands don't seem likely to be used in index entries. + % Assorted special characters. + \definedummyword{bullet}% \definedummyword{copyright}% + \definedummyword{dots}% + \definedummyword{enddots}% \definedummyword{equiv}% \definedummyword{error}% \definedummyword{expansion}% + \definedummyword{minus}% + \definedummyword{pounds}% \definedummyword{point}% \definedummyword{print}% \definedummyword{result}% @@ -3008,9 +3093,9 @@ width0pt\relax} \fi % \indexnofonts is used when outputting the strings to sort the index -% by. Therefore, it eliminates all control sequences and just writes -% whatever the best ASCII sort string would be for a given command -% (usually its argument). +% by, and when constructing control sequence names. It eliminates all +% control sequences and just writes whatever the best ASCII sort string +% would be for a given command (usually its argument). % \def\indexdummytex{TeX} \def\indexdummydots{...} @@ -3087,13 +3172,6 @@ width0pt\relax} \fi \let\w=\asis } -% To define \realbackslash, we must make \ not be an escape. -% We must first make another character (@) an escape -% so we do not become unable to do a definition. - -{\catcode`\@=0 \catcode`\\=\other - @gdef@realbackslash{\}} - \let\indexbackslash=0 %overridden during \printindex. \let\SETmarginindex=\relax % put index entries in margin (undocumented)? @@ -4406,7 +4484,7 @@ width0pt\relax} \fi % \newskip\lskip\newskip\rskip -\long\def\cartouche{% +\def\cartouche{% \begingroup \lskip=\leftskip \rskip=\rightskip \leftskip=0pt\rightskip=0pt %we want these *outside*. @@ -4491,27 +4569,16 @@ width0pt\relax} \fi % @example: Same as @lisp. \def\example{\begingroup \def\Eexample{\nonfillfinish\endgroup}\lisp} -% @small... is usually equivalent to the non-small (@smallbook -% redefines). We must call \example (or whatever) last in the -% definition, since it reads the return following the @example (or -% whatever) command. -% -% This actually allows (for example) @end display inside an -% @smalldisplay. Too bad, but makeinfo will catch the error anyway. -% -\def\smalldisplay{\begingroup\def\Esmalldisplay{\nonfillfinish\endgroup}\display} -\def\smallexample{\begingroup\def\Esmallexample{\nonfillfinish\endgroup}\lisp} -\def\smallformat{\begingroup\def\Esmallformat{\nonfillfinish\endgroup}\format} -\def\smalllisp{\begingroup\def\Esmalllisp{\nonfillfinish\endgroup}\lisp} - -% Real @smallexample and @smalllisp (when @smallbook): use smaller fonts. +% @smallexample and @smalllisp: use smaller fonts. % Originally contributed by Pavel@xerox. -\def\smalllispx{\begingroup +\def\smalllisp{\begingroup \def\Esmalllisp{\nonfillfinish\endgroup}% \def\Esmallexample{\nonfillfinish\endgroup}% \smallexamplefonts \lisp } +\let\smallexample = \smalllisp + % @display: same as @lisp except keep current font. % @@ -4521,9 +4588,9 @@ width0pt\relax} \fi \gobble } % -% @smalldisplay (when @smallbook): @display plus smaller fonts. +% @smalldisplay: @display plus smaller fonts. % -\def\smalldisplayx{\begingroup +\def\smalldisplay{\begingroup \def\Esmalldisplay{\nonfillfinish\endgroup}% \smallexamplefonts \rm \display @@ -4538,9 +4605,9 @@ width0pt\relax} \fi \gobble } % -% @smallformat (when @smallbook): @format plus smaller fonts. +% @smallformat: @format plus smaller fonts. % -\def\smallformatx{\begingroup +\def\smallformat{\begingroup \def\Esmallformat{\nonfillfinish\endgroup}% \smallexamplefonts \rm \format @@ -5724,15 +5791,23 @@ width0pt\relax} \fi \gdef\restoresf{\relax \ifhmode \spacefactor=\savesfregister \fi} \gdef\anchor#1{\savesf \setref{#1}{Ynothing}\restoresf \ignorespaces} -% \setref{NAME}{SNT} defines a cross-reference point NAME, namely -% NAME-title, NAME-pg, and NAME-SNT. Called from \foonoderef. We have -% to set \indexdummies so commands such as @code in a section title -% aren't expanded. It would be nicer not to expand the titles in the -% first place, but there's so many layers that that is hard to do. +% \setref{NAME}{SNT} defines a cross-reference point NAME (a node or an +% anchor), namely NAME-title (the corresponding @chapter/etc. name), +% NAME-pg (the page number), and NAME-snt (section number and type). +% Called from \foonoderef. +% +% We have to set \indexdummies so commands such as @code in a section +% title aren't expanded. It would be nicer not to expand the titles in +% the first place, but there's so many layers that that is hard to do. % +% Likewise, use \turnoffactive so that punctuation chars such as underscore +% and backslash work in node names. +% \def\setref#1#2{{% - \indexdummies + \atdummies \pdfmkdest{#1}% + % + \turnoffactive \dosetq{#1-title}{Ytitle}% \dosetq{#1-pg}{Ypagenumber}% \dosetq{#1-snt}{#2}% @@ -5784,7 +5859,7 @@ width0pt\relax} \fi \ifpdf \leavevmode \getfilename{#4}% - {\normalturnoffactive + {\turnoffactive \otherbackslash \ifnum\filenamelength>0 \startlink attr{/Border [0 0 0]}% goto file{\the\filename.pdf} name{#1}% @@ -5804,7 +5879,7 @@ width0pt\relax} \fi % into the usual \leavevmode...\vrule stuff for purposes of % printing. So we \turnoffactive for the \refx-snt, back on for the % printing, back off for the \refx-pg. - {\normalturnoffactive + {\turnoffactive \otherbackslash % Only output a following space if the -snt ref is nonempty; for % @unnumbered and @anchor, it won't be. \setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}% @@ -5813,74 +5888,70 @@ width0pt\relax} \fi % [mynode], [\printednodename],\space % page 3 - \turnoffactive \putwordpage\tie\refx{#1-pg}{}% + \turnoffactive \otherbackslash \putwordpage\tie\refx{#1-pg}{}% \fi \endlink \endgroup} -% \dosetq is the interface for calls from other macros - -% Use \normalturnoffactive so that punctuation chars such as underscore -% and backslash work in node names. (\turnoffactive doesn't do \.) +% \dosetq is called from \setref to do the actual \write (\iflinks). +% \def\dosetq#1#2{% {\let\folio=0% - \normalturnoffactive \edef\next{\write\auxfile{\internalsetq{#1}{#2}}}% - \iflinks - \next - \fi + \iflinks \next \fi }% } -% \internalsetq {foo}{page} expands into -% CHARACTERS 'xrdef {foo}{...expansion of \Ypage...} -% When the aux file is read, ' is the escape character - -\def\internalsetq #1#2{'xrdef {#1}{\csname #2\endcsname}} - -% Things to be expanded by \internalsetq +% \internalsetq{foo}{page} expands into +% CHARACTERS @xrdef{foo}{...expansion of \page...} +\def\internalsetq#1#2{@xrdef{#1}{\csname #2\endcsname}} +% Things to be expanded by \internalsetq. +% \def\Ypagenumber{\folio} - \def\Ytitle{\thissection} - \def\Ynothing{} - \def\Ysectionnumberandtype{% -\ifnum\secno=0 \putwordChapter\xreftie\the\chapno % -\else \ifnum \subsecno=0 \putwordSection\xreftie\the\chapno.\the\secno % -\else \ifnum \subsubsecno=0 % -\putwordSection\xreftie\the\chapno.\the\secno.\the\subsecno % -\else % -\putwordSection\xreftie\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno % -\fi \fi \fi } + \ifnum\secno=0 + \putwordChapter@tie \the\chapno + \else \ifnum\subsecno=0 + \putwordSection@tie \the\chapno.\the\secno + \else \ifnum\subsubsecno=0 + \putwordSection@tie \the\chapno.\the\secno.\the\subsecno + \else + \putwordSection@tie \the\chapno.\the\secno.\the\subsecno.\the\subsubsecno + \fi\fi\fi +} \def\Yappendixletterandtype{% -\ifnum\secno=0 \putwordAppendix\xreftie'char\the\appendixno{}% -\else \ifnum \subsecno=0 \putwordSection\xreftie'char\the\appendixno.\the\secno % -\else \ifnum \subsubsecno=0 % -\putwordSection\xreftie'char\the\appendixno.\the\secno.\the\subsecno % -\else % -\putwordSection\xreftie'char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno % -\fi \fi \fi } - -\gdef\xreftie{'tie} + \ifnum\secno=0 + \putwordAppendix@tie @char\the\appendixno{}% + \else \ifnum\subsecno=0 + \putwordSection@tie @char\the\appendixno.\the\secno + \else \ifnum\subsubsecno=0 + \putwordSection@tie @char\the\appendixno.\the\secno.\the\subsecno + \else + \putwordSection@tie + @char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno + \fi\fi\fi +} % Use TeX 3.0's \inputlineno to get the line number, for better error % messages, but if we're using an old version of TeX, don't do anything. % \ifx\inputlineno\thisisundefined - \let\linenumber = \empty % Non-3.0. + \let\linenumber = \empty % Pre-3.0. \else \def\linenumber{\the\inputlineno:\space} \fi % Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME. % If its value is nonempty, SUFFIX is output afterward. - +% \def\refx#1#2{% {% - \indexdummies + \indexnofonts + \otherbackslash \expandafter\global\expandafter\let\expandafter\thisrefX \csname X#1\endcsname }% @@ -5906,12 +5977,7 @@ width0pt\relax} \fi % This is the macro invoked by entries in the aux file. % -\def\xrdef#1{\begingroup - % Reenable \ as an escape while reading the second argument. - \catcode`\\ = 0 - \afterassignment\endgroup - \expandafter\gdef\csname X#1\endcsname -} +\def\xrdef#1{\expandafter\gdef\csname X#1\endcsname} % Read the last existing aux file, if any. No error if none exists. \def\readauxfile{\begingroup @@ -5942,9 +6008,7 @@ width0pt\relax} \fi \catcode`\^^]=\other \catcode`\^^^=\other \catcode`\^^_=\other - \catcode`\@=\other - \catcode`\^=\other - % It was suggested to define this as 7, which would allow ^^e4 etc. + % 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 ^ @@ -5957,6 +6021,9 @@ width0pt\relax} \fi % \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... \catcode`\~=\other \catcode`\[=\other \catcode`\]=\other @@ -5968,7 +6035,9 @@ width0pt\relax} \fi \catcode`\$=\other \catcode`\#=\other \catcode`\&=\other + \catcode`\%=\other \catcode`+=\other % avoid \+ for paranoia even though we've turned it off + % % Make the characters 128-255 be printing characters {% \count 1=128 @@ -5978,17 +6047,18 @@ width0pt\relax} \fi \ifnum \count 1<256 \loop \fi }% }% - % The aux file uses ' as the escape (for now). + % % Turn off \ as an escape so we do not lose on % entries which were dumped with control sequences in their names. - % For example, 'xrdef {$\leq $-fun}{page ...} made by @defun ^^ + % For example, @xrdef{$\leq $-fun}{page ...} made by @defun ^^ % Reference to such entries still does not work the way one would wish, % but at least they do not bomb out when the aux file is read in. + \catcode`\\=\other + % + % @ is our escape character in .aux files. \catcode`\{=1 \catcode`\}=2 - \catcode`\%=\other - \catcode`\'=0 - \catcode`\\=\other + \catcode`\@=0 % \openin 1 \jobname.aux \ifeof 1 \else @@ -6033,7 +6103,7 @@ width0pt\relax} \fi % Remove inadvertent blank space before typesetting the footnote number. \unskip \thisfootno\@sf - \footnotezzz + \dofootnote }% % Don't bother with the trickery in plain.tex to not require the @@ -6043,10 +6113,17 @@ width0pt\relax} \fi % \parseargline fail inside footnotes because the tokens are fixed when % the footnote is read. --karl, 16nov96. % -\long\gdef\footnotezzz{\insert\footins\bgroup +% The start of the footnote looks usually like this: +\gdef\startfootins{\insert\footins\bgroup} +% +% ... but this macro is redefined inside @multitable. +% +\gdef\dofootnote{% + \startfootins % We want to typeset this text as a normal paragraph, even if the % footnote reference occurs in (for example) a display environment. % So reset some parameters. + \hsize=\pagewidth \interlinepenalty\interfootnotelinepenalty \splittopskip\ht\strutbox % top baseline for broken footnotes \splitmaxdepth\dp\strutbox @@ -6076,12 +6153,6 @@ width0pt\relax} \fi \footstrut \futurelet\next\fo@t } -\def\fo@t{\ifcat\bgroup\noexpand\next \let\next\f@@t - \else\let\next\f@t\fi \next} -\def\f@@t{\bgroup\aftergroup\@foot\let\next} -\def\f@t#1{#1\@foot} -\def\@foot{\strut\par\egroup} - }%end \catcode `\@=11 % @| inserts a changebar to the left of the current line. It should @@ -6128,8 +6199,8 @@ width0pt\relax} \fi \openin 1 = epsf.tex \ifeof 1 \else \closein 1 - % Do not bother showing banner with post-v2.7 epsf.tex (available in - % doc/epsf.tex until it shows up on ctan). + % Do not bother showing banner with epsf.tex v2.7k (available in + % doc/epsf.tex and on ctan). \def\epsfannounce{\toks0 = }% \input epsf.tex \fi @@ -6290,15 +6361,6 @@ should work if nowhere else does.} \setemergencystretch } -% Use `small' versions. -% -\def\smallenvironments{% - \let\smalldisplay = \smalldisplayx - \let\smallexample = \smalllispx - \let\smallformat = \smallformatx - \let\smalllisp = \smalllispx -} - % @letterpaper (the default). \def\letterpaper{{\globaldefs = 1 \parskip = 3pt plus 2pt minus 1pt @@ -6326,7 +6388,6 @@ should work if nowhere else does.} \hfuzz = 1pt \contentsrightmargin = 0pt \defbodyindent = .5cm - \smallenvironments }} % Use @afourpaper to print on European A4 paper. @@ -6373,8 +6434,6 @@ should work if nowhere else does.} \contentsrightmargin = 0pt \defbodyindent = 2mm \tableindent = 12mm - % - \smallenvironments }} % A specific text layout, 24x15cm overall, intended for A4 paper. @@ -6515,14 +6574,20 @@ should work if nowhere else does.} \catcode`\@=0 -% \rawbackslashxx output one backslash character in current font +% \rawbackslashxx outputs one backslash character in current font, +% as in \char`\\. \global\chardef\rawbackslashxx=`\\ -%{\catcode`\\=\other -%@gdef@rawbackslashxx{\}} -% \rawbackslash redefines \ as input to do \rawbackslashxx. +% \rawbackslash defines an active \ to do \rawbackslashxx. +% \otherbackslash defines an active \ to be a literal `\' character with +% catcode other. {\catcode`\\=\active -@gdef@rawbackslash{@let\=@rawbackslashxx }} + @gdef@rawbackslash{@let\=@rawbackslashxx} + @gdef@otherbackslash{@let\=@realbackslash} +} + +% \realbackslash is an actual character `\' with catcode other. +{\catcode`\\=\other @gdef@realbackslash{\}} % \normalbackslash outputs one backslash in fixed width font. \def\normalbackslash{{\tt\rawbackslashxx}} @@ -6531,18 +6596,23 @@ should work if nowhere else does.} % Used sometimes to turn off (effectively) the active characters % even after parsing them. -@def@turnoffactive{@let"=@normaldoublequote -@let\=@realbackslash -@let~=@normaltilde -@let^=@normalcaret -@let_=@normalunderscore -@let|=@normalverticalbar -@let<=@normalless -@let>=@normalgreater -@let+=@normalplus -@let$=@normaldollar}%$ font-lock fix - -% Same as @turnoffactive except for \. +@def@turnoffactive{% + @let"=@normaldoublequote + @let\=@realbackslash + @let~=@normaltilde + @let^=@normalcaret + @let_=@normalunderscore + @let|=@normalverticalbar + @let<=@normalless + @let>=@normalgreater + @let+=@normalplus + @let$=@normaldollar %$ font-lock fix +} + +% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of +% the literal character `\'. (Thus, \ is not expandable when this is in +% effect.) +% @def@normalturnoffactive{@turnoffactive @let\=@normalbackslash} % Make _ and + \other characters, temporarily. -- 1.7.10.4