From 686c28c9bff655a7b1f2b20662ce480ae2584b89 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Thu, 6 Mar 2003 20:50:01 +0000 Subject: [PATCH] 2003-03-06 Andrew Cagney * texinfo/texinfo.tex: Import version 2003-02-03.16. --- ChangeLog | 4 + texinfo/texinfo.tex | 2073 +++++++++++++++++++++++++------------------ 2 files changed, 1214 insertions(+), 863 deletions(-) diff --git a/ChangeLog b/ChangeLog index 019bcbf473..174114cef3 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2003-03-06 Andrew Cagney + + * texinfo/texinfo.tex: Import version 2003-02-03.16. + 2003-03-04 Daniel Jacobowitz * configure.in: Include $(build_tooldir)/sys-include in diff --git a/texinfo/texinfo.tex b/texinfo/texinfo.tex index b0a1cfc3e7..555a07707a 100644 --- a/texinfo/texinfo.tex +++ b/texinfo/texinfo.tex @@ -3,10 +3,10 @@ % Load plain if necessary, i.e., if running under initex. \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi % -\def\texinfoversion{2002-06-04.06} +\def\texinfoversion{2003-02-03.16} % -% Copyright (C) 1985, 86, 88, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, -% 2000, 01, 02 Free Software Foundation, Inc. +% Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, +% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. % % This texinfo.tex file is free software; you can redistribute it and/or % modify it under the terms of the GNU General Public License as @@ -29,19 +29,17 @@ % % Please try the latest version of texinfo.tex before submitting bug % reports; you can get the latest version from: -% ftp://ftp.gnu.org/gnu/texinfo.tex +% ftp://ftp.gnu.org/gnu/texinfo/texinfo.tex % (and all GNU mirrors, see http://www.gnu.org/order/ftp.html) -% ftp://texinfo.org/texinfo/texinfo.tex % ftp://tug.org/tex/texinfo.tex % (and all CTAN mirrors, see http://www.ctan.org), % and /home/gd/gnu/doc/texinfo.tex on the GNU machines. % +% The GNU Texinfo home page is http://www.gnu.org/software/texinfo. +% % The texinfo.tex in any given Texinfo distribution could well be out % of date, so if that's what you're using, please check. % -% Texinfo has a small home page at http://texinfo.org/ and also -% http://www.gnu.org/software/texinfo. -% % Send bug reports to bug-texinfo@gnu.org. Please include including a % complete document in each bug report with which we can reproduce the % problem. Patches are, of course, greatly appreciated. @@ -57,9 +55,10 @@ % The extra TeX runs get the cross-reference information correct. % Sometimes one run after texindex suffices, and sometimes you need more % than two; texi2dvi does it as many times as necessary. -% -% It is possible to adapt texinfo.tex for other languages. You can get -% the existing language-specific files from the full Texinfo distribution. +% +% It is possible to adapt texinfo.tex for other languages, to some +% extent. You can get the existing language-specific files from the +% full Texinfo distribution. \message{Loading texinfo [version \texinfoversion]:} @@ -69,6 +68,13 @@ \everyjob{\message{[Texinfo version \texinfoversion]}% \catcode`+=\active \catcode`\_=\active} +\message{Basics,} +\chardef\other=12 + +% We never want plain's outer \+ definition in Texinfo. +% For @tex, we can use \tabalign. +\let\+ = \relax + % Save some parts of plain tex whose names we will redefine. \let\ptexb=\b \let\ptexbullet=\bullet @@ -79,19 +85,16 @@ \let\ptexend=\end \let\ptexequiv=\equiv \let\ptexexclam=\! +\let\ptexgtr=> +\let\ptexhat=^ \let\ptexi=\i \let\ptexlbrace=\{ +\let\ptexless=< +\let\ptexplus=+ \let\ptexrbrace=\} \let\ptexstar=\* \let\ptext=\t -% We never want plain's outer \+ definition in Texinfo. -% For @tex, we can use \tabalign. -\let\+ = \relax - -\message{Basics,} -\chardef\other=12 - % If this character appears in an error message or help string, it % starts a new line in the output. \newlinechar = `^^J @@ -138,40 +141,64 @@ \ifx\putwordDeffunc\undefined \gdef\putwordDeffunc{Function}\fi \ifx\putwordDeftypefun\undefined\gdef\putwordDeftypefun{Function}\fi +% In some macros, we cannot use the `\? notation---the left quote is +% in some cases the escape char. +\chardef\colonChar = `\: +\chardef\commaChar = `\, +\chardef\dotChar = `\. +\chardef\equalChar = `\= +\chardef\exclamChar= `\! +\chardef\questChar = `\? +\chardef\semiChar = `\; +\chardef\spaceChar = `\ % +\chardef\underChar = `\_ + % Ignore a token. % \def\gobble#1{} +% True if #1 is the empty string, i.e., called like `\ifempty{}'. +% +\def\ifempty#1{\ifemptyx #1\emptymarkA\emptymarkB}% +\def\ifemptyx#1#2\emptymarkB{\ifx #1\emptymarkA}% + +% Hyphenation fixes. \hyphenation{ap-pen-dix} \hyphenation{mini-buf-fer mini-buf-fers} \hyphenation{eshell} \hyphenation{white-space} % Margin to add to right of even pages, to left of odd pages. -\newdimen \bindingoffset -\newdimen \normaloffset +\newdimen\bindingoffset +\newdimen\normaloffset \newdimen\pagewidth \newdimen\pageheight % Sometimes it is convenient to have everything in the transcript file % and nothing on the terminal. We don't just call \tracingall here, -% since that produces some useless output on the terminal. +% since that produces some useless output on the terminal. We also make +% some effort to order the tracing commands to reduce output in the log +% file; cf. trace.sty in LaTeX. % \def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}% -\ifx\eTeXversion\undefined -\def\loggingall{\tracingcommands2 \tracingstats2 - \tracingpages1 \tracingoutput1 \tracinglostchars1 - \tracingmacros2 \tracingparagraphs1 \tracingrestores1 - \showboxbreadth\maxdimen\showboxdepth\maxdimen +\def\loggingall{% + \tracingstats2 + \tracingpages1 + \tracinglostchars2 % 2 gives us more in etex + \tracingparagraphs1 + \tracingoutput1 + \tracingmacros2 + \tracingrestores1 + \showboxbreadth\maxdimen \showboxdepth\maxdimen + \ifx\eTeXversion\undefined\else % etex gives us more logging + \tracingscantokens1 + \tracingifs1 + \tracinggroups1 + \tracingnesting2 + \tracingassigns1 + \fi + \tracingcommands3 % 3 gives us more in etex + \errorcontextlines\maxdimen }% -\else -\def\loggingall{\tracingcommands3 \tracingstats2 - \tracingpages1 \tracingoutput1 \tracinglostchars1 - \tracingmacros2 \tracingparagraphs1 \tracingrestores1 - \tracingscantokens1 \tracingassigns1 \tracingifs1 - \tracinggroups1 \tracingnesting2 - \showboxbreadth\maxdimen\showboxdepth\maxdimen -}% -\fi % add check for \lastpenalty to plain's definitions. If the last thing % we did was a \nobreak, we don't want to insert more space. @@ -276,7 +303,7 @@ \egroup % \vbox from first cropmarks clause \fi }% end of \shipout\vbox - }% end of group with \turnoffactive + }% end of group with \normalturnoffactive \advancepageno \ifnum\outputpenalty>-20000 \else\dosupereject\fi } @@ -436,17 +463,6 @@ } -% Single-spacing is done by various environments (specifically, in -% \nonfillstart and \quotations). -\newskip\singlespaceskip \singlespaceskip = 12.5pt -\def\singlespace{% - % Why was this kern here? It messes up equalizing space above and below - % environments. --karl, 6may93 - %{\advance \baselineskip by -\singlespaceskip - %\kern \baselineskip}% - \setleading\singlespaceskip -} - %% Simple single-character @ commands % @@ prints an @ @@ -466,16 +482,19 @@ \let\{=\mylbrace \let\}=\myrbrace \begingroup - % Definitions to produce actual \{ & \} command in an index. - \catcode`\{ = 12 \catcode`\} = 12 + % Definitions to produce \{ and \} commands for indices, + % and @{ and @} for the aux file. + \catcode`\{ = \other \catcode`\} = \other \catcode`\[ = 1 \catcode`\] = 2 - \catcode`\@ = 0 \catcode`\\ = 12 - @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: @` @' @" @^ @~ @= @v @H. +% Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H. \let\, = \c \let\dotaccent = \. \def\ringaccent#1{{\accent23 #1}} @@ -484,7 +503,7 @@ \let\udotaccent = \d % Other special characters: @questiondown @exclamdown -% Plain TeX defines: @AA @AE @O @OE @L (and lowercase versions) @ss. +% Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss. \def\questiondown{?`} \def\exclamdown{!`} @@ -539,6 +558,16 @@ % therefore, no glue is inserted, and the space between the headline and % the text is small, which looks bad. % +% Another complication is that the group might be very large. This can +% cause the glue on the previous page to be unduly stretched, because it +% does not have much material. In this case, it's better to add an +% explicit \vfill so that the extra space is at the bottom. The +% threshold for doing this is if the group is more than \vfilllimit +% percent of a page (\vfilllimit can be changed inside of @tex). +% +\newbox\groupbox +\def\vfilllimit{0.7} +% \def\group{\begingroup \ifnum\catcode13=\active \else \errhelp = \groupinvalidhelp @@ -552,10 +581,22 @@ % above. But it's pretty close. \def\Egroup{% \egroup % End the \vtop. + % \dimen0 is the vertical size of the group's box. + \dimen0 = \ht\groupbox \advance\dimen0 by \dp\groupbox + % \dimen2 is how much space is left on the page (more or less). + \dimen2 = \pageheight \advance\dimen2 by -\pagetotal + % if the group doesn't fit on the current page, and it's a big big + % group, force a page break. + \ifdim \dimen0 > \dimen2 + \ifdim \pagetotal < \vfilllimit\pageheight + \page + \fi + \fi + \copy\groupbox \endgroup % End the \group. }% % - \vtop\bgroup + \setbox\groupbox = \vtop\bgroup % We have to put a strut on the last line in case the @group is in % the midst of an example, rather than completely enclosing it. % Otherwise, the interline space between the last line of the group @@ -753,30 +794,36 @@ where each line of input produces a line of output.} % @include file insert text of that file as input. % Allow normal characters that we make active in the argument (a file name). \def\include{\begingroup - \catcode`\\=12 - \catcode`~=12 - \catcode`^=12 - \catcode`_=12 - \catcode`|=12 - \catcode`<=12 - \catcode`>=12 - \catcode`+=12 + \catcode`\\=\other + \catcode`~=\other + \catcode`^=\other + \catcode`_=\other + \catcode`|=\other + \catcode`<=\other + \catcode`>=\other + \catcode`+=\other \parsearg\includezzz} % Restore active chars for included file. \def\includezzz#1{\endgroup\begingroup % Read the included file in a group so nested @include's work. \def\thisfile{#1}% + \let\value=\expandablevalue \input\thisfile \endgroup} \def\thisfile{} -% @center line outputs that line, centered - -\def\center{\parsearg\centerzzz} -\def\centerzzz #1{{\advance\hsize by -\leftskip -\advance\hsize by -\rightskip -\centerline{#1}}} +% @center line +% outputs that line, centered. +% +\def\center{\parsearg\docenter} +\def\docenter#1{{% + \ifhmode \hfil\break \fi + \advance\hsize by -\leftskip + \advance\hsize by -\rightskip + \line{\hfil \ignorespaces#1\unskip \hfil}% + \ifhmode \break \fi +}} % @sp n outputs n lines of vertical space @@ -841,11 +888,6 @@ where each line of input produces a line of output.} % to set catcodes according to plain TeX first, to allow for subscripts, % superscripts, special math chars, etc. % -% @math does not do math typesetting in section titles, index -% entries, and other such contexts where the catcodes are set before -% @math gets a chance to work. This could perhaps be fixed, but for now -% at least we can have real math in the main text, where it's needed most. -% \let\implicitmath = $%$ font-lock fix % % One complication: _ usually means subscripts, but it could also mean @@ -853,9 +895,9 @@ where each line of input produces a line of output.} % _ within @math be active (mathcode "8000), and distinguish by seeing % if the current family is \slfam, which is what @var uses. % -{\catcode95 = \active % 95 = _ +{\catcode\underChar = \active \gdef\mathunderscore{% - \catcode95=\active + \catcode\underChar=\active \def_{\ifnum\fam=\slfam \_\else\sb\fi}% }} % @@ -871,9 +913,27 @@ where each line of input produces a line of output.} \tex \mathcode`\_="8000 \mathunderscore \let\\ = \mathbackslash + \mathactive \implicitmath\finishmath} \def\finishmath#1{#1\implicitmath\Etex} +% Some active characters (such as <) are spaced differently in math. +% We have to reset their definitions in case the @math was an +% argument to a command which set the catcodes (such as @item or @section). +% +{ + \catcode`^ = \active + \catcode`< = \active + \catcode`> = \active + \catcode`+ = \active + \gdef\mathactive{% + \let^ = \ptexhat + \let< = \ptexless + \let> = \ptexgtr + \let+ = \ptexplus + } +} + % @bullet and @minus need the same treatment as @math, just above. \def\bullet{\implicitmath\ptexbullet\implicitmath} \def\minus{\implicitmath-\implicitmath} @@ -965,7 +1025,7 @@ where each line of input produces a line of output.} \ifx\empty\imagewidth\else width \imagewidth \fi \ifx\empty\imageheight\else height \imageheight \fi \ifnum\pdftexversion<13 - #1.pdf% + #1.pdf% \else {#1.pdf}% \fi @@ -987,40 +1047,39 @@ where each line of input produces a line of output.} \openin 1 \jobname.toc \ifeof 1\else\begingroup \closein 1 - \indexnofonts - \def\tt{} - \let\_ = \normalunderscore % Thanh's hack / proper braces in bookmarks \edef\mylbrace{\iftrue \string{\else}\fi}\let\{=\mylbrace \edef\myrbrace{\iffalse{\else\string}\fi}\let\}=\myrbrace % \def\chapentry ##1##2##3{} - \let\appendixentry = \chapentry - \def\unnumbchapentry ##1##2{} \def\secentry ##1##2##3##4{\advancenumber{chap##2}} - \def\unnumbsecentry ##1##2##3{\advancenumber{chap##2}} \def\subsecentry ##1##2##3##4##5{\advancenumber{sec##2.##3}} - \def\unnumbsubsecentry ##1##2##3##4{\advancenumber{sec##2.##3}} \def\subsubsecentry ##1##2##3##4##5##6{\advancenumber{subsec##2.##3.##4}} - \def\unnumbsubsubsecentry ##1##2##3##4##5{\advancenumber{subsec##2.##3.##4}} + \let\appendixentry = \chapentry + \let\unnumbchapentry = \chapentry + \let\unnumbsecentry = \secentry + \let\unnumbsubsecentry = \subsecentry + \let\unnumbsubsubsecentry = \subsubsecentry \input \jobname.toc \def\chapentry ##1##2##3{% \pdfoutline goto name{\pdfmkpgn{##3}}count-\expnumber{chap##2}{##1}} - \let\appendixentry = \chapentry - \def\unnumbchapentry ##1##2{% - \pdfoutline goto name{\pdfmkpgn{##2}}{##1}} \def\secentry ##1##2##3##4{% \pdfoutline goto name{\pdfmkpgn{##4}}count-\expnumber{sec##2.##3}{##1}} - \def\unnumbsecentry ##1##2##3{% - \pdfoutline goto name{\pdfmkpgn{##3}}{##1}} \def\subsecentry ##1##2##3##4##5{% \pdfoutline goto name{\pdfmkpgn{##5}}count-\expnumber{subsec##2.##3.##4}{##1}} - \def\unnumbsubsecentry ##1##2##3##4{% - \pdfoutline goto name{\pdfmkpgn{##4}}{##1}} \def\subsubsecentry ##1##2##3##4##5##6{% \pdfoutline goto name{\pdfmkpgn{##6}}{##1}} - \def\unnumbsubsubsecentry ##1##2##3##4##5{% - \pdfoutline goto name{\pdfmkpgn{##5}}{##1}} + \let\appendixentry = \chapentry + \let\unnumbchapentry = \chapentry + \let\unnumbsecentry = \secentry + \let\unnumbsubsecentry = \subsecentry + \let\unnumbsubsubsecentry = \subsubsecentry + % + % Make special characters normal for writing to the pdf file. + % + \indexnofonts + \let\tt=\relax + \turnoffactive \input \jobname.toc \endgroup\fi }} @@ -1170,7 +1229,7 @@ where each line of input produces a line of output.} \newcount\mainmagstep \ifx\bigger\relax % not really supported. - \let\mainmagstep=\magstep1 + \mainmagstep=\magstep1 \setfont\textrm\rmshape{12}{1000} \setfont\texttt\ttshape{12}{1000} \else @@ -1178,9 +1237,10 @@ where each line of input produces a line of output.} \setfont\textrm\rmshape{10}{\mainmagstep} \setfont\texttt\ttshape{10}{\mainmagstep} \fi -% Instead of cmb10, you many want to use cmbx10. +% Instead of cmb10, you may want to use cmbx10. % cmbx10 is a prettier font on its own, but cmb10 -% looks better when embedded in a line with cmr10. +% looks better when embedded in a line with cmr10 +% (in Bob's opinion). \setfont\textbf\bfshape{10}{\mainmagstep} \setfont\textit\itshape{10}{\mainmagstep} \setfont\textsl\slshape{10}{\mainmagstep} @@ -1231,6 +1291,7 @@ where each line of input produces a line of output.} \font\titlei=cmmi12 scaled \magstep3 \font\titlesy=cmsy10 scaled \magstep4 \def\authorrm{\secrm} +\def\authortt{\sectt} % Chapter (and unnumbered) fonts (17.28pt). \setfont\chaprm\rmbshape{12}{\magstep2} @@ -1328,7 +1389,25 @@ 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. % @@ -1345,6 +1424,7 @@ where each line of input produces a line of output.} \setfont\shortcontrm\rmshape{12}{1000} \setfont\shortcontbf\bxshape{12}{1000} \setfont\shortcontsl\slshape{12}{1000} +\setfont\shortconttt\ttshape{12}{1000} %% Add scribe-like font environments, plus @l for inline lisp (usually sans %% serif) and @ii for TeX italic @@ -1352,8 +1432,8 @@ where each line of input produces a line of output.} % \smartitalic{ARG} outputs arg in italics, followed by an italic correction % unless the following character is such as not to need one. \def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else\/\fi\fi\fi} -\def\smartslanted#1{{\sl #1}\futurelet\next\smartitalicx} -\def\smartitalic#1{{\it #1}\futurelet\next\smartitalicx} +\def\smartslanted#1{{\ifusingtt\ttsl\sl #1}\futurelet\next\smartitalicx} +\def\smartitalic#1{{\ifusingtt\ttsl\it #1}\futurelet\next\smartitalicx} \let\i=\smartitalic \let\var=\smartslanted @@ -1371,6 +1451,17 @@ where each line of input produces a line of output.} \def\nohyphenation{\hyphenchar\font = -1 \aftergroup\restorehyphenation} \def\restorehyphenation{\hyphenchar\font = `- } +% Set sfcode to normal for the chars that usually have another value. +% Can't use plain's \frenchspacing because it uses the `\x notation, and +% sometimes \x has an active definition that messes things up. +% +\catcode`@=11 + \def\frenchspacing{% + \sfcode\dotChar =\@m \sfcode\questChar=\@m \sfcode\exclamChar=\@m + \sfcode\colonChar=\@m \sfcode\semiChar =\@m \sfcode\commaChar =\@m + } +\catcode`@=\other + \def\t#1{% {\tt \rawbackslash \frenchspacing #1}% \null @@ -1470,15 +1561,17 @@ where each line of input produces a line of output.} \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}% \else\ifx\arg\wordcode \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}% + \else + \errhelp = \EMsimple + \errmessage{Unknown @kbdinputstyle `\arg'}% \fi\fi\fi } \def\worddistinct{distinct} \def\wordexample{example} \def\wordcode{code} -% Default is kbdinputdistinct. (Too much of a hassle to call the macro, -% the catcodes are wrong for parsearg to work.) -\gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl} +% Default is `distinct.' +\kbdinputstyle distinct \def\xkey{\key} \def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}% @@ -1592,7 +1685,8 @@ where each line of input produces a line of output.} \let\subtitlerm=\tenrm \def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}% % - \def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines}% + \def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines + \let\tt=\authortt}% % % Leave some space at the very top of the page. \vglue\titlepagetopglue @@ -1873,10 +1967,18 @@ where each line of input produces a line of output.} % \parskip glue -- logically it's part of the @item we just started. \nobreak \vskip-\parskip % - % Stop a page break at the \parskip glue coming up. Unfortunately + % Stop a page break at the \parskip glue coming up. (Unfortunately % we can't prevent a possible page break at the following - % \baselineskip glue. - \nobreak + % \baselineskip glue.) However, if what follows is an environment + % such as @example, there will be no \parskip glue; then + % the negative vskip we just would cause the example and the item to + % crash together. So we use this bizarre value of 10001 as a signal + % to \aboveenvbreak to insert \parskip glue after all. + % (Possibly there are other commands that could be followed by + % @example which need the same treatment, but not section titles; or + % maybe section titles are the only special case and they should be + % penalty 10001...) + \penalty 10001 \endgroup \itemxneedsnegativevskipfalse \else @@ -1982,11 +2084,6 @@ where each line of input produces a line of output.} \def\itemcontents{#1}% \let\item=\itemizeitem} -% Set sfcode to normal for the chars that usually have another value. -% These are `.?!:;,' -\def\frenchspacing{\sfcode46=1000 \sfcode63=1000 \sfcode33=1000 - \sfcode58=1000 \sfcode59=1000 \sfcode44=1000 } - % \splitoff TOKENS\endmark defines \first to be the first token in % TOKENS, and \rest to be the remainder. % @@ -2208,8 +2305,8 @@ where each line of input produces a line of output.} \let\go\pickupwholefraction \else \global\advance\colcount by 1 - \setbox0=\hbox{#1\unskip }% Add a normal word space as a separator; - % typically that is always in the input, anyway. + \setbox0=\hbox{#1\unskip\space}% Add a normal word space as a + % separator; typically that is always in the input, anyway. \expandafter\xdef\csname col\the\colcount\endcsname{\the\wd0}% \fi \fi @@ -2224,18 +2321,18 @@ 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 @@ -2243,7 +2340,11 @@ 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 @@ -2332,6 +2433,25 @@ 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. @@ -2367,65 +2487,117 @@ width0pt\relax} \fi % and so want to turn off most commands, in case they are used % incorrectly. % +% We use \empty instead of \relax for the @def... commands, so that \end +% doesn't throw an error. For instance: +% @ignore +% @deffn ... +% @end deffn +% @end ignore +% +% The @end deffn is going to get expanded, because we're trying to allow +% nested conditionals. But we don't want to expand the actual @deffn, +% since it might be syntactically correct and intended to be ignored. +% Since \end checks for \relax, using \empty does not cause an error. +% \def\ignoremorecommands{% \let\defcodeindex = \relax - \let\defcv = \relax - \let\deffn = \relax - \let\deffnx = \relax + \let\defcv = \empty + \let\defcvx = \empty + \let\Edefcv = \empty + \let\deffn = \empty + \let\deffnx = \empty + \let\Edeffn = \empty \let\defindex = \relax - \let\defivar = \relax - \let\defmac = \relax - \let\defmethod = \relax - \let\defop = \relax - \let\defopt = \relax - \let\defspec = \relax - \let\deftp = \relax - \let\deftypefn = \relax - \let\deftypefun = \relax - \let\deftypeivar = \relax - \let\deftypeop = \relax - \let\deftypevar = \relax - \let\deftypevr = \relax - \let\defun = \relax - \let\defvar = \relax - \let\defvr = \relax - \let\ref = \relax - \let\xref = \relax - \let\printindex = \relax - \let\pxref = \relax - \let\settitle = \relax - \let\setchapternewpage = \relax - \let\setchapterstyle = \relax - \let\everyheading = \relax - \let\evenheading = \relax - \let\oddheading = \relax - \let\everyfooting = \relax + \let\defivar = \empty + \let\defivarx = \empty + \let\Edefivar = \empty + \let\defmac = \empty + \let\defmacx = \empty + \let\Edefmac = \empty + \let\defmethod = \empty + \let\defmethodx = \empty + \let\Edefmethod = \empty + \let\defop = \empty + \let\defopx = \empty + \let\Edefop = \empty + \let\defopt = \empty + \let\defoptx = \empty + \let\Edefopt = \empty + \let\defspec = \empty + \let\defspecx = \empty + \let\Edefspec = \empty + \let\deftp = \empty + \let\deftpx = \empty + \let\Edeftp = \empty + \let\deftypefn = \empty + \let\deftypefnx = \empty + \let\Edeftypefn = \empty + \let\deftypefun = \empty + \let\deftypefunx = \empty + \let\Edeftypefun = \empty + \let\deftypeivar = \empty + \let\deftypeivarx = \empty + \let\Edeftypeivar = \empty + \let\deftypemethod = \empty + \let\deftypemethodx = \empty + \let\Edeftypemethod = \empty + \let\deftypeop = \empty + \let\deftypeopx = \empty + \let\Edeftypeop = \empty + \let\deftypevar = \empty + \let\deftypevarx = \empty + \let\Edeftypevar = \empty + \let\deftypevr = \empty + \let\deftypevrx = \empty + \let\Edeftypevr = \empty + \let\defun = \empty + \let\defunx = \empty + \let\Edefun = \empty + \let\defvar = \empty + \let\defvarx = \empty + \let\Edefvar = \empty + \let\defvr = \empty + \let\defvrx = \empty + \let\Edefvr = \empty + \let\clear = \relax + \let\down = \relax \let\evenfooting = \relax - \let\oddfooting = \relax + \let\evenheading = \relax + \let\everyfooting = \relax + \let\everyheading = \relax \let\headings = \relax \let\include = \relax - \let\lowersections = \relax - \let\down = \relax - \let\raisesections = \relax - \let\up = \relax - \let\set = \relax - \let\clear = \relax \let\item = \relax + \let\lowersections = \relax + \let\oddfooting = \relax + \let\oddheading = \relax + \let\printindex = \relax + \let\pxref = \relax + \let\raisesections = \relax + \let\ref = \relax + \let\set = \relax + \let\setchapternewpage = \relax + \let\setchapterstyle = \relax + \let\settitle = \relax + \let\up = \relax + \let\verbatiminclude = \relax + \let\xref = \relax } -% Ignore @ignore, @ifhtml, @ifinfo, @ifplaintext, @ifnottex, @html, @menu, -% @direntry, and @documentdescription. +% Ignore @ignore, @ifhtml, @ifinfo, and the like. % -\def\ignore{\doignore{ignore}} +\def\direntry{\doignore{direntry}} +\def\documentdescriptionword{documentdescription} +\def\documentdescription{\doignore{documentdescription}} +\def\html{\doignore{html}} \def\ifhtml{\doignore{ifhtml}} \def\ifinfo{\doignore{ifinfo}} -\def\ifplaintext{\doignore{ifplaintext}} \def\ifnottex{\doignore{ifnottex}} -\def\html{\doignore{html}} +\def\ifplaintext{\doignore{ifplaintext}} +\def\ifxml{\doignore{ifxml}} +\def\ignore{\doignore{ignore}} \def\menu{\doignore{menu}} -\def\direntry{\doignore{direntry}} -\def\documentdescription{\doignore{documentdescription}} -\def\documentdescriptionword{documentdescription} +\def\xml{\doignore{xml}} % @dircategory CATEGORY -- specify a category of the dir file % which this file should belong to. Ignore this in TeX. @@ -2443,7 +2615,7 @@ width0pt\relax} \fi \long\def\doignoretext##1@end #1{\enddoignore}% % % Make sure that spaces turn into tokens that match what \doignoretext wants. - \catcode32 = 10 + \catcode\spaceChar = 10 % % Ignore braces, too, so mismatched braces don't cause trouble. \catcode`\{ = 9 @@ -2485,7 +2657,7 @@ width0pt\relax} \fi \immediate\write16{If you are running another version of TeX, relax.} \immediate\write16{If you are running Unix TeX 3.0, kill this TeX process.} \immediate\write16{ Then upgrade your TeX installation if you can.} - \immediate\write16{ (See ftp://ftp.gnu.org/pub/gnu/TeX.README.)} + \immediate\write16{ (See ftp://ftp.gnu.org/non-gnu/TeX.README.)} \immediate\write16{If you are stuck with version 3.0, run the} \immediate\write16{ script ``tex3patch'' from the Texinfo distribution} \immediate\write16{ to use a workaround.} @@ -2507,8 +2679,8 @@ width0pt\relax} \fi % We must actually expand the ignored text to look for the @end % command, so that nested ignore constructs work. Thus, we put the % text into a \vbox and then do nothing with the result. To minimize - % the change of memory overflow, we follow the approach outlined on - % page 401 of the TeXbook: make the current font be a dummy font. + % the chance of memory overflow, we follow the approach outlined on + % page 401 of the TeXbook. % \setbox0 = \vbox\bgroup % Don't complain about control sequences we have declared \outer. @@ -2529,8 +2701,8 @@ width0pt\relax} \fi % % Set the current font to be \nullfont, a TeX primitive, and define % all the font commands to also use \nullfont. We don't use - % dummy.tfm, as suggested in the TeXbook, because not all sites - % might have that installed. Therefore, math mode will still + % dummy.tfm, as suggested in the TeXbook, because some sites + % might not have that installed. Therefore, math mode will still % produce output, but that should be an extremely small amount of % stuff compared to the main input. % @@ -2559,7 +2731,7 @@ width0pt\relax} \fi % Do minimal line-breaking. \pretolerance = 10000 % - % Do not execute instructions in @tex + % Do not execute instructions in @tex. \def\tex{\doignore{tex}}% % Do not execute macro definitions. % `c' is a comment character, so the word `macro' will get cut off. @@ -2604,7 +2776,7 @@ width0pt\relax} \fi % we're called from @code, as @code{@value{foo-bar_}}. So \let any % such active characters to their normal equivalents. \gdef\value{\begingroup - \catcode`\-=12 \catcode`\_=12 + \catcode`\-=\other \catcode`\_=\other \indexbreaks \let_\normalunderscore \valuexxx} } @@ -2613,15 +2785,17 @@ width0pt\relax} \fi % We have this subroutine so that we can handle at least some @value's % properly in indexes (we \let\value to this in \indexdummies). Ones % whose names contain - or _ still won't work, but we can't do anything -% about that. The command has to be fully expandable, 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). +% about that. 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). % \def\expandablevalue#1{% \expandafter\ifx\csname SET#1\endcsname\relax {[No value for ``#1'']}% + \message{Variable `#1', used in @value, is not set.}% \else \csname SET#1\endcsname \fi @@ -2630,13 +2804,14 @@ width0pt\relax} \fi % @ifset VAR ... @end ifset reads the `...' iff VAR has been defined % with @set. % -\def\ifset{\parsearg\ifsetxxx} -\def\ifsetxxx #1{% +\def\ifset{\parsearg\doifset} +\def\doifset#1{% \expandafter\ifx\csname SET#1\endcsname\relax - \expandafter\ifsetfail + \let\next=\ifsetfail \else - \expandafter\ifsetsucceed + \let\next=\ifsetsucceed \fi + \next } \def\ifsetsucceed{\conditionalsucceed{ifset}} \def\ifsetfail{\nestedignore{ifset}} @@ -2645,13 +2820,14 @@ width0pt\relax} \fi % @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been % defined with @set, or has been undefined with @clear. % -\def\ifclear{\parsearg\ifclearxxx} -\def\ifclearxxx #1{% +\def\ifclear{\parsearg\doifclear} +\def\doifclear#1{% \expandafter\ifx\csname SET#1\endcsname\relax - \expandafter\ifclearsucceed + \let\next=\ifclearsucceed \else - \expandafter\ifclearfail + \let\next=\ifclearfail \fi + \next } \def\ifclearsucceed{\conditionalsucceed{ifclear}} \def\ifclearfail{\nestedignore{ifclear}} @@ -2670,29 +2846,14 @@ width0pt\relax} \fi \defineunmatchedend{ifnotinfo} \defineunmatchedend{ifnotplaintext} -% We can't just want to start a group at @iftex (etc.) and end it at -% @end iftex, since then @set commands inside the conditional have no -% effect (they'd get reverted at the end of the group). So we must -% define \Eiftex to redefine itself to be its previous value. (We can't -% just define it to fail again with an ``unmatched end'' error, since -% the @ifset might be nested.) +% True conditional. Since \set globally defines its variables, we can +% just start and end a group (to keep the @end definition undefined at +% the outer level). % -\def\conditionalsucceed#1{% - \edef\temp{% - % Remember the current value of \E#1. - \let\nece{prevE#1} = \nece{E#1}% - % - % At the `@end #1', redefine \E#1 to be its previous value. - \def\nece{E#1}{\let\nece{E#1} = \nece{prevE#1}}% - }% - \temp +\def\conditionalsucceed#1{\begingroup + \expandafter\def\csname E#1\endcsname{\endgroup}% } -% We need to expand lots of \csname's, but we don't want to expand the -% control sequences after we've constructed them. -% -\def\nece#1{\expandafter\noexpand\csname#1\endcsname} - % @defininfoenclose. \let\definfoenclose=\comment @@ -2784,104 +2945,166 @@ width0pt\relax} \fi \def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer} \def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}} -% Take care of texinfo commands likely to appear in an index entry. -% (Must be a way to avoid doing expansion at all, and thus not have to -% laboriously list every single command here.) +% 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\ { }% -\def\@{@}% change to @@ when we switch to @ as escape char in aux files. -% 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 _}}% -\normalturnoffactive -% -% Take care of the plain tex accent commands. -\def\,##1{\realbackslash ,{##1}}% -\def\"{\realbackslash "}% -\def\`{\realbackslash `}% -\def\'{\realbackslash '}% -\def\^{\realbackslash ^}% -\def\~{\realbackslash ~}% -\def\={\realbackslash =}% -\def\b{\realbackslash b}% -\def\c{\realbackslash c}% -\def\d{\realbackslash d}% -\def\u{\realbackslash u}% -\def\v{\realbackslash v}% -\def\H{\realbackslash H}% -\def\dotless##1{\realbackslash dotless {##1}}% -% Take care of the plain tex special European modified letters. -\def\AA{\realbackslash AA}% -\def\AE{\realbackslash AE}% -\def\L{\realbackslash L}% -\def\OE{\realbackslash OE}% -\def\O{\realbackslash O}% -\def\aa{\realbackslash aa}% -\def\ae{\realbackslash ae}% -\def\l{\realbackslash l}% -\def\oe{\realbackslash oe}% -\def\o{\realbackslash o}% -\def\ss{\realbackslash ss}% -% -% Although these internals commands shouldn't show up, sometimes they do. -\def\bf{\realbackslash bf }% -\def\gtr{\realbackslash gtr}% -\def\hat{\realbackslash hat}% -\def\less{\realbackslash less}% -%\def\rm{\realbackslash rm }% -\def\sf{\realbackslash sf}% -\def\sl{\realbackslash sl }% -\def\tclose##1{\realbackslash tclose {##1}}% -\def\tt{\realbackslash tt}% -% -\def\b##1{\realbackslash b {##1}}% -\def\i##1{\realbackslash i {##1}}% -\def\sc##1{\realbackslash sc {##1}}% -\def\t##1{\realbackslash t {##1}}% -\def\r##1{\realbackslash r {##1}}% -% -\def\TeX{\realbackslash TeX}% -\def\acronym##1{\realbackslash acronym {##1}}% -\def\cite##1{\realbackslash cite {##1}}% -\def\code##1{\realbackslash code {##1}}% -\def\command##1{\realbackslash command {##1}}% -\def\dfn##1{\realbackslash dfn {##1}}% -\def\dots{\realbackslash dots }% -\def\emph##1{\realbackslash emph {##1}}% -\def\env##1{\realbackslash env {##1}}% -\def\file##1{\realbackslash file {##1}}% -\def\kbd##1{\realbackslash kbd {##1}}% -\def\key##1{\realbackslash key {##1}}% -\def\math##1{\realbackslash math {##1}}% -\def\option##1{\realbackslash option {##1}}% -\def\samp##1{\realbackslash samp {##1}}% -\def\strong##1{\realbackslash strong {##1}}% -\def\uref##1{\realbackslash uref {##1}}% -\def\url##1{\realbackslash url {##1}}% -\def\var##1{\realbackslash var {##1}}% -\def\w{\realbackslash w }% -% -% These math commands don't seem likely to be used in index entries. -\def\copyright{\realbackslash copyright}% -\def\equiv{\realbackslash equiv}% -\def\error{\realbackslash error}% -\def\expansion{\realbackslash expansion}% -\def\point{\realbackslash point}% -\def\print{\realbackslash print}% -\def\result{\realbackslash result}% -% -% Handle some cases of @value -- where the variable name does not -% contain - or _, and the value does not contain any -% (non-fully-expandable) commands. -\let\value = \expandablevalue -% -\unsepspaces -% Turn off macro expansion -\turnoffmacros + \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 + % + % \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 + % + % Control letters and accents. + \definedummyletter{_}% + \definedummyletter{,}% + \definedummyletter{"}% + \definedummyletter{`}% + \definedummyletter{'}% + \definedummyletter{^}% + \definedummyletter{~}% + \definedummyletter{=}% + \definedummyword{u}% + \definedummyword{v}% + \definedummyword{H}% + \definedummyword{dotaccent}% + \definedummyword{ringaccent}% + \definedummyword{tieaccent}% + \definedummyword{ubaraccent}% + \definedummyword{udotaccent}% + \definedummyword{dotless}% + % + % Other non-English letters. + \definedummyword{AA}% + \definedummyword{AE}% + \definedummyword{L}% + \definedummyword{OE}% + \definedummyword{O}% + \definedummyword{aa}% + \definedummyword{ae}% + \definedummyword{l}% + \definedummyword{oe}% + \definedummyword{o}% + \definedummyword{ss}% + % + % Although these internal commands shouldn't show up, sometimes they do. + \definedummyword{bf}% + \definedummyword{gtr}% + \definedummyword{hat}% + \definedummyword{less}% + \definedummyword{sf}% + \definedummyword{sl}% + \definedummyword{tclose}% + \definedummyword{tt}% + % + % Texinfo font commands. + \definedummyword{b}% + \definedummyword{i}% + \definedummyword{r}% + \definedummyword{sc}% + \definedummyword{t}% + % + \definedummyword{TeX}% + \definedummyword{acronym}% + \definedummyword{cite}% + \definedummyword{code}% + \definedummyword{command}% + \definedummyword{dfn}% + \definedummyword{dots}% + \definedummyword{emph}% + \definedummyword{env}% + \definedummyword{file}% + \definedummyword{kbd}% + \definedummyword{key}% + \definedummyword{math}% + \definedummyword{option}% + \definedummyword{samp}% + \definedummyword{strong}% + \definedummyword{uref}% + \definedummyword{url}% + \definedummyword{var}% + \definedummyword{w}% + % + % 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}% + % + % Handle some cases of @value -- where the variable name does not + % contain - or _, and the value does not contain any + % (non-fully-expandable) commands. + \let\value = \expandablevalue + % + % Normal spaces, not active ones. + \unsepspaces + % + % No macro expansion. + \turnoffmacros } % If an index command is used in an @example environment, any spaces @@ -2890,84 +3113,87 @@ width0pt\relax} \fi {\obeyspaces \gdef\unsepspaces{\obeyspaces\let =\space}} -% \indexnofonts no-ops all font-change commands. -% This is used when outputting the strings to sort the index by. -\def\indexdummyfont#1{#1} + +% \indexnofonts is used when outputting the strings to sort the index +% 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{...} - +% \def\indexnofonts{% -\def\@{@}% -% how to handle braces? -\def\_{\normalunderscore}% -% -\let\,=\indexdummyfont -\let\"=\indexdummyfont -\let\`=\indexdummyfont -\let\'=\indexdummyfont -\let\^=\indexdummyfont -\let\~=\indexdummyfont -\let\==\indexdummyfont -\let\b=\indexdummyfont -\let\c=\indexdummyfont -\let\d=\indexdummyfont -\let\u=\indexdummyfont -\let\v=\indexdummyfont -\let\H=\indexdummyfont -\let\dotless=\indexdummyfont -% Take care of the plain tex special European modified letters. -\def\AA{AA}% -\def\AE{AE}% -\def\L{L}% -\def\OE{OE}% -\def\O{O}% -\def\aa{aa}% -\def\ae{ae}% -\def\l{l}% -\def\oe{oe}% -\def\o{o}% -\def\ss{ss}% -% -% Don't no-op \tt, since it isn't a user-level command -% and is used in the definitions of the active chars like <, >, |, etc. -% Likewise with the other plain tex font commands. -%\let\tt=\indexdummyfont -% -\let\b=\indexdummyfont -\let\i=\indexdummyfont -\let\r=\indexdummyfont -\let\sc=\indexdummyfont -\let\t=\indexdummyfont -% -\let\TeX=\indexdummytex -\let\acronym=\indexdummyfont -\let\cite=\indexdummyfont -\let\code=\indexdummyfont -\let\command=\indexdummyfont -\let\dfn=\indexdummyfont -\let\dots=\indexdummydots -\let\emph=\indexdummyfont -\let\env=\indexdummyfont -\let\file=\indexdummyfont -\let\kbd=\indexdummyfont -\let\key=\indexdummyfont -\let\math=\indexdummyfont -\let\option=\indexdummyfont -\let\samp=\indexdummyfont -\let\strong=\indexdummyfont -\let\uref=\indexdummyfont -\let\url=\indexdummyfont -\let\var=\indexdummyfont -\let\w=\indexdummyfont + \def\ { }% + \def\@{@}% + % how to handle braces? + \def\_{\normalunderscore}% + % + \let\,=\asis + \let\"=\asis + \let\`=\asis + \let\'=\asis + \let\^=\asis + \let\~=\asis + \let\==\asis + \let\u=\asis + \let\v=\asis + \let\H=\asis + \let\dotaccent=\asis + \let\ringaccent=\asis + \let\tieaccent=\asis + \let\ubaraccent=\asis + \let\udotaccent=\asis + \let\dotless=\asis + % + % Other non-English letters. + \def\AA{AA}% + \def\AE{AE}% + \def\L{L}% + \def\OE{OE}% + \def\O{O}% + \def\aa{aa}% + \def\ae{ae}% + \def\l{l}% + \def\oe{oe}% + \def\o{o}% + \def\ss{ss}% + \def\exclamdown{!}% + \def\questiondown{?}% + % + % Don't no-op \tt, since it isn't a user-level command + % and is used in the definitions of the active chars like <, >, |, etc. + % Likewise with the other plain tex font commands. + %\let\tt=\asis + % + % Texinfo font commands. + \let\b=\asis + \let\i=\asis + \let\r=\asis + \let\sc=\asis + \let\t=\asis + % + \let\TeX=\indexdummytex + \let\acronym=\asis + \let\cite=\asis + \let\code=\asis + \let\command=\asis + \let\dfn=\asis + \let\dots=\indexdummydots + \let\emph=\asis + \let\env=\asis + \let\file=\asis + \let\kbd=\asis + \let\key=\asis + \let\math=\asis + \let\option=\asis + \let\samp=\asis + \let\strong=\asis + \let\uref=\asis + \let\url=\asis + \let\var=\asis + \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)? @@ -2998,28 +3224,24 @@ width0pt\relax} \fi \def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now % so it will be output as is; and it will print as backslash. % - \def\thirdarg{#3}% - % - % If third arg is present, precede it with space in sort key. - \ifx\thirdarg\emptymacro - \let\subentry = \empty - \else - \def\subentry{ #3}% - \fi - % - % First process the index entry with all font commands turned - % off to get the string to sort by. - {\indexnofonts \xdef\indexsorttmp{#2\subentry}}% - % - % Now the real index entry with the fonts. + % The main index entry text. \toks0 = {#2}% % - % If the third (subentry) arg is present, add it to the index - % line to write. + % If third arg is present, precede it with space in sort key. + \def\thirdarg{#3}% \ifx\thirdarg\emptymacro \else - \toks0 = \expandafter{\the\toks0{#3}}% + % If the third (subentry) arg is present, add it to the index + % line to write. + \toks0 = \expandafter{\the\toks0 \space #3}% \fi % + % Process the index entry with all font commands turned off, to + % get the string to sort by. + {\indexnofonts + \edef\temp{\the\toks0}% need full expansion + \xdef\indexsorttmp{\temp}% + }% + % % Set up the complete index entry, with both the sort key and % the original text, including any font commands. We write % three arguments to \entry to the .?? file (four in the @@ -3050,12 +3272,11 @@ width0pt\relax} \fi \iflinks \ifvmode \skip0 = \lastskip - \ifdim\lastskip = 0pt \else \nobreak\vskip-\lastskip \fi + \ifdim\lastskip = 0pt \else \nobreak\vskip-\skip0 \fi \fi % \temp % do the write % - % \ifvmode \ifdim\skip0 = 0pt \else \nobreak\vskip\skip0 \fi \fi \fi }% @@ -3531,42 +3752,41 @@ width0pt\relax} \fi \outer\def\chapter{\parsearg\chapteryyy} \def\chapteryyy #1{\numhead0{#1}} % normally numhead0 calls chapterzzz \def\chapterzzz #1{% -\secno=0 \subsecno=0 \subsubsecno=0 -\global\advance \chapno by 1 \message{\putwordChapter\space \the\chapno}% -\chapmacro {#1}{\the\chapno}% -\gdef\thissection{#1}% -\gdef\thischaptername{#1}% -% We don't substitute the actual chapter name into \thischapter -% because we don't want its macros evaluated now. -\xdef\thischapter{\putwordChapter{} \the\chapno: \noexpand\thischaptername}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash chapentry{\the\toks0}% - {\the\chapno}}}% -\temp -\donoderef -\global\let\section = \numberedsec -\global\let\subsection = \numberedsubsec -\global\let\subsubsection = \numberedsubsubsec + \secno=0 \subsecno=0 \subsubsecno=0 + \global\advance \chapno by 1 \message{\putwordChapter\space \the\chapno}% + \chapmacro {#1}{\the\chapno}% + \gdef\thissection{#1}% + \gdef\thischaptername{#1}% + % We don't substitute the actual chapter name into \thischapter + % because we don't want its macros evaluated now. + \xdef\thischapter{\putwordChapter{} \the\chapno: \noexpand\thischaptername}% + \writetocentry{chap}{#1}{{\the\chapno}} + \donoderef + \global\let\section = \numberedsec + \global\let\subsection = \numberedsubsec + \global\let\subsubsection = \numberedsubsubsec } +% we use \chapno to avoid indenting back +\def\appendixbox#1{% + \setbox0 = \hbox{\putwordAppendix{} \the\chapno}% + \hbox to \wd0{#1\hss}} + \outer\def\appendix{\parsearg\appendixyyy} \def\appendixyyy #1{\apphead0{#1}} % normally apphead0 calls appendixzzz \def\appendixzzz #1{% -\secno=0 \subsecno=0 \subsubsecno=0 -\global\advance \appendixno by 1 -\message{\putwordAppendix\space \appendixletter}% -\chapmacro {#1}{\putwordAppendix{} \appendixletter}% -\gdef\thissection{#1}% -\gdef\thischaptername{#1}% -\xdef\thischapter{\putwordAppendix{} \appendixletter: \noexpand\thischaptername}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash appendixentry{\the\toks0}% - {\appendixletter}}}% -\temp -\appendixnoderef -\global\let\section = \appendixsec -\global\let\subsection = \appendixsubsec -\global\let\subsubsection = \appendixsubsubsec + \secno=0 \subsecno=0 \subsubsecno=0 + \global\advance \appendixno by 1 + \message{\putwordAppendix\space \appendixletter}% + \chapmacro {#1}{\appendixbox{\putwordAppendix{} \appendixletter}}% + \gdef\thissection{#1}% + \gdef\thischaptername{#1}% + \xdef\thischapter{\putwordAppendix{} \appendixletter: \noexpand\thischaptername}% + \writetocentry{appendix}{#1}{{\appendixletter}} + \appendixnoderef + \global\let\section = \appendixsec + \global\let\subsection = \appendixsubsec + \global\let\subsubsection = \appendixsubsubsec } % @centerchap is like @unnumbered, but the heading is centered. @@ -3579,150 +3799,121 @@ width0pt\relax} \fi \outer\def\unnumbered{\parsearg\unnumberedyyy} \def\unnumberedyyy #1{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz \def\unnumberedzzz #1{% -\secno=0 \subsecno=0 \subsubsecno=0 -% -% This used to be simply \message{#1}, but TeX fully expands the -% argument to \message. Therefore, if #1 contained @-commands, TeX -% expanded them. For example, in `@unnumbered The @cite{Book}', TeX -% expanded @cite (which turns out to cause errors because \cite is meant -% to be executed, not expanded). -% -% Anyway, we don't want the fully-expanded definition of @cite to appear -% as a result of the \message, we just want `@cite' itself. We use -% \the to achieve this: TeX expands \the only once, -% simply yielding the contents of . (We also do this for -% the toc entries.) -\toks0 = {#1}\message{(\the\toks0)}% -% -\unnumbchapmacro {#1}% -\gdef\thischapter{#1}\gdef\thissection{#1}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash unnumbchapentry{\the\toks0}}}% -\temp -\unnumbnoderef -\global\let\section = \unnumberedsec -\global\let\subsection = \unnumberedsubsec -\global\let\subsubsection = \unnumberedsubsubsec + \secno=0 \subsecno=0 \subsubsecno=0 + % + % This used to be simply \message{#1}, but TeX fully expands the + % argument to \message. Therefore, if #1 contained @-commands, TeX + % expanded them. For example, in `@unnumbered The @cite{Book}', TeX + % expanded @cite (which turns out to cause errors because \cite is meant + % to be executed, not expanded). + % + % Anyway, we don't want the fully-expanded definition of @cite to appear + % as a result of the \message, we just want `@cite' itself. We use + % \the to achieve this: TeX expands \the only once, + % simply yielding the contents of . (We also do this for + % the toc entries.) + \toks0 = {#1}\message{(\the\toks0)}% + % + \unnumbchapmacro {#1}% + \gdef\thischapter{#1}\gdef\thissection{#1}% + \writetocentry{unnumbchap}{#1}{{\the\chapno}} + \unnumbnoderef + \global\let\section = \unnumberedsec + \global\let\subsection = \unnumberedsubsec + \global\let\subsubsection = \unnumberedsubsubsec } % Sections. \outer\def\numberedsec{\parsearg\secyyy} \def\secyyy #1{\numhead1{#1}} % normally calls seczzz \def\seczzz #1{% -\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 % -\gdef\thissection{#1}\secheading {#1}{\the\chapno}{\the\secno}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash secentry{\the\toks0}% - {\the\chapno}{\the\secno}}}% -\temp -\donoderef -\nobreak + \subsecno=0 \subsubsecno=0 \global\advance \secno by 1 % + \gdef\thissection{#1}\secheading {#1}{\the\chapno}{\the\secno}% + \writetocentry{sec}{#1}{{\the\chapno}{\the\secno}} + \donoderef + \nobreak } \outer\def\appendixsection{\parsearg\appendixsecyyy} \outer\def\appendixsec{\parsearg\appendixsecyyy} \def\appendixsecyyy #1{\apphead1{#1}} % normally calls appendixsectionzzz \def\appendixsectionzzz #1{% -\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 % -\gdef\thissection{#1}\secheading {#1}{\appendixletter}{\the\secno}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash secentry{\the\toks0}% - {\appendixletter}{\the\secno}}}% -\temp -\appendixnoderef -\nobreak + \subsecno=0 \subsubsecno=0 \global\advance \secno by 1 % + \gdef\thissection{#1}\secheading {#1}{\appendixletter}{\the\secno}% + \writetocentry{sec}{#1}{{\appendixletter}{\the\secno}} + \appendixnoderef + \nobreak } \outer\def\unnumberedsec{\parsearg\unnumberedsecyyy} \def\unnumberedsecyyy #1{\unnmhead1{#1}} % normally calls unnumberedseczzz \def\unnumberedseczzz #1{% -\plainsecheading {#1}\gdef\thissection{#1}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash unnumbsecentry% - {\the\toks0}{\the\chapno}}}% -\temp -\unnumbnoderef -\nobreak + \plainsecheading {#1}\gdef\thissection{#1}% + \writetocentry{unnumbsec}{#1}{{\the\chapno}{\the\secno}} + \unnumbnoderef + \nobreak } % Subsections. \outer\def\numberedsubsec{\parsearg\numberedsubsecyyy} \def\numberedsubsecyyy #1{\numhead2{#1}} % normally calls numberedsubseczzz \def\numberedsubseczzz #1{% -\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 % -\subsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash subsecentry{\the\toks0}% - {\the\chapno}{\the\secno}{\the\subsecno}}}% -\temp -\donoderef -\nobreak + \gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 % + \subsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}% + \writetocentry{subsec}{#1}{{\the\chapno}{\the\secno}{\the\subsecno}} + \donoderef + \nobreak } \outer\def\appendixsubsec{\parsearg\appendixsubsecyyy} \def\appendixsubsecyyy #1{\apphead2{#1}} % normally calls appendixsubseczzz \def\appendixsubseczzz #1{% -\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 % -\subsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash subsecentry{\the\toks0}% - {\appendixletter}{\the\secno}{\the\subsecno}}}% -\temp -\appendixnoderef -\nobreak + \gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 % + \subsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}% + \writetocentry{subsec}{#1}{{\appendixletter}{\the\secno}{\the\subsecno}} + \appendixnoderef + \nobreak } \outer\def\unnumberedsubsec{\parsearg\unnumberedsubsecyyy} \def\unnumberedsubsecyyy #1{\unnmhead2{#1}} %normally calls unnumberedsubseczzz \def\unnumberedsubseczzz #1{% -\plainsubsecheading {#1}\gdef\thissection{#1}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash unnumbsubsecentry% - {\the\toks0}{\the\chapno}{\the\secno}}}% -\temp -\unnumbnoderef -\nobreak + \plainsubsecheading {#1}\gdef\thissection{#1}% + \writetocentry{unnumbsubsec}{#1}{{\the\chapno}{\the\secno}{\the\subsecno}} + \unnumbnoderef + \nobreak } % Subsubsections. \outer\def\numberedsubsubsec{\parsearg\numberedsubsubsecyyy} \def\numberedsubsubsecyyy #1{\numhead3{#1}} % normally numberedsubsubseczzz \def\numberedsubsubseczzz #1{% -\gdef\thissection{#1}\global\advance \subsubsecno by 1 % -\subsubsecheading {#1} - {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash subsubsecentry{\the\toks0}% - {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}}}% -\temp -\donoderef -\nobreak + \gdef\thissection{#1}\global\advance \subsubsecno by 1 % + \subsubsecheading {#1} + {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}% + \writetocentry{subsubsec}{#1}{{\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}} + \donoderef + \nobreak } \outer\def\appendixsubsubsec{\parsearg\appendixsubsubsecyyy} \def\appendixsubsubsecyyy #1{\apphead3{#1}} % normally appendixsubsubseczzz \def\appendixsubsubseczzz #1{% -\gdef\thissection{#1}\global\advance \subsubsecno by 1 % -\subsubsecheading {#1} - {\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash subsubsecentry{\the\toks0}% - {\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}}}% -\temp -\appendixnoderef -\nobreak + \gdef\thissection{#1}\global\advance \subsubsecno by 1 % + \subsubsecheading {#1} + {\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}% + \writetocentry{subsubsec}{#1}{{\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}} + \appendixnoderef + \nobreak } \outer\def\unnumberedsubsubsec{\parsearg\unnumberedsubsubsecyyy} \def\unnumberedsubsubsecyyy #1{\unnmhead3{#1}} %normally unnumberedsubsubseczzz \def\unnumberedsubsubseczzz #1{% -\plainsubsubsecheading {#1}\gdef\thissection{#1}% -\toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash unnumbsubsubsecentry% - {\the\toks0}{\the\chapno}{\the\secno}{\the\subsecno}}}% -\temp -\unnumbnoderef -\nobreak + \plainsubsubsecheading {#1}\gdef\thissection{#1}% + \writetocentry{unnumbsubsubsec}{#1}{{\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}} + \unnumbnoderef + \nobreak } % These are variants which are not "outer", so they can appear in @ifinfo. @@ -3763,16 +3954,16 @@ width0pt\relax} \fi \def\majorheading{\parsearg\majorheadingzzz} \def\majorheadingzzz #1{% -{\advance\chapheadingskip by 10pt \chapbreak }% -{\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 - \parindent=0pt\raggedright - \rm #1\hfill}}\bigskip \par\penalty 200} + {\advance\chapheadingskip by 10pt \chapbreak }% + {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 + \parindent=0pt\raggedright + \rm #1\hfill}}\bigskip \par\penalty 200} \def\chapheading{\parsearg\chapheadingzzz} \def\chapheadingzzz #1{\chapbreak % -{\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 - \parindent=0pt\raggedright - \rm #1\hfill}}\bigskip \par\penalty 200} + {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 + \parindent=0pt\raggedright + \rm #1\hfill}}\bigskip \par\penalty 200} % @heading, @subheading, @subsubheading. \def\heading{\parsearg\plainsecheading} @@ -3918,7 +4109,16 @@ width0pt\relax} \fi \hangindent = \wd0 % zero if no section number \unhbox0 #3}% }% - \ifdim\parskip<10pt \nobreak\kern10pt\nobreak\kern-\parskip\fi \nobreak + % Add extra space after the heading -- either a line space or a + % paragraph space, whichever is more. (Some people like to set + % \parskip to large values for some reason.) Don't allow stretch, though. + \nobreak + \ifdim\parskip>\normalbaselineskip + \kern\parskip + \else + \kern\normalbaselineskip + \fi + \nobreak } @@ -3930,16 +4130,22 @@ width0pt\relax} \fi % Called from @chapter, etc. We supply {\folio} at the end of the % argument, which will end up as the last argument to the \...entry macro. % -% We open the .toc file here instead of at @setfilename or any other -% fixed time so that @contents can be put in the document anywhere. +% Usage: \writetocentry{chap}{The Name of The Game}{{\the\chapno}} +% We open the .toc file for writing here instead of at @setfilename (or +% any other fixed time) so that @contents can be anywhere in the document. % \newif\iftocfileopened -\def\writetocentry#1{% +\def\writetocentry#1#2#3{% \iftocfileopened\else \immediate\openout\tocfile = \jobname.toc \global\tocfileopenedtrue \fi - \iflinks \write\tocfile{#1{\folio}}\fi + % + \iflinks + \toks0 = {#2}% + \edef\temp{\write\tocfile{\realbackslash #1entry{\the\toks0}#3{\folio}}}% + \temp + \fi % % Tell \shipout to create a page destination if we're doing pdf, which % will be the target of the links in the table of contents. We can't @@ -3978,7 +4184,7 @@ width0pt\relax} \fi \advance\hsize by -\contentsrightmargin % Don't use the full line length. % % Roman numerals for page numbers. - \ifnum \pageno>0 \pageno = \lastnegativepageno \fi + \ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi } @@ -3995,7 +4201,7 @@ width0pt\relax} \fi \pdfmakeoutlines \endgroup \lastnegativepageno = \pageno - \pageno = \savepageno + \global\pageno = \savepageno } % And just the chapters. @@ -4007,16 +4213,17 @@ width0pt\relax} \fi \let\unnumbchapentry = \shortunnumberedentry % We want a true roman here for the page numbers. \secfonts - \let\rm=\shortcontrm \let\bf=\shortcontbf \let\sl=\shortcontsl + \let\rm=\shortcontrm \let\bf=\shortcontbf + \let\sl=\shortcontsl \let\tt=\shortconttt \rm \hyphenpenalty = 10000 \advance\baselineskip by 1pt % Open it up a little. \def\secentry ##1##2##3##4{} - \def\unnumbsecentry ##1##2##3{} \def\subsecentry ##1##2##3##4##5{} - \def\unnumbsubsecentry ##1##2##3##4{} \def\subsubsecentry ##1##2##3##4##5##6{} - \def\unnumbsubsubsecentry ##1##2##3##4##5{} + \let\unnumbsecentry = \secentry + \let\unnumbsubsecentry = \subsecentry + \let\unnumbsubsubsecentry = \subsubsecentry \openin 1 \jobname.toc \ifeof 1 \else \closein 1 @@ -4026,7 +4233,7 @@ width0pt\relax} \fi \contentsalignmacro % in case @setchapternewpage odd is in effect \endgroup \lastnegativepageno = \pageno - \pageno = \savepageno + \global\pageno = \savepageno } \let\shortcontents = \summarycontents @@ -4049,7 +4256,8 @@ width0pt\relax} \fi } % Appendices, in the main contents. -\def\appendixentry#1#2#3{\dochapentry{\putwordAppendix{} #2\labelspace#1}{#3}} +\def\appendixentry#1#2#3{% + \dochapentry{\appendixbox{\putwordAppendix{} #2}\labelspace#1}{#3}} % % Appendices, in the short toc. \let\shortappendixentry = \shortchapentry @@ -4073,21 +4281,21 @@ width0pt\relax} \fi } % Unnumbered chapters. -\def\unnumbchapentry#1#2{\dochapentry{#1}{#2}} -\def\shortunnumberedentry#1#2{\tocentry{#1}{\doshortpageno\bgroup#2\egroup}} +\def\unnumbchapentry#1#2#3{\dochapentry{#1}{#3}} +\def\shortunnumberedentry#1#2#3{\tocentry{#1}{\doshortpageno\bgroup#3\egroup}} % Sections. \def\secentry#1#2#3#4{\dosecentry{#2.#3\labelspace#1}{#4}} -\def\unnumbsecentry#1#2#3{\dosecentry{#1}{#3}} +\def\unnumbsecentry#1#2#3#4{\dosecentry{#1}{#4}} % Subsections. \def\subsecentry#1#2#3#4#5{\dosubsecentry{#2.#3.#4\labelspace#1}{#5}} -\def\unnumbsubsecentry#1#2#3#4{\dosubsecentry{#1}{#4}} +\def\unnumbsubsecentry#1#2#3#4#5{\dosubsecentry{#1}{#5}} % And subsubsections. \def\subsubsecentry#1#2#3#4#5#6{% \dosubsubsecentry{#2.#3.#4.#5\labelspace#1}{#6}} -\def\unnumbsubsubsecentry#1#2#3#4#5{\dosubsubsecentry{#1}{#5}} +\def\unnumbsubsubsecentry#1#2#3#4#5#6{\dosubsubsecentry{#1}{#6}} % This parameter controls the indentation of the various levels. \newdimen\tocindent \tocindent = 3pc @@ -4189,14 +4397,14 @@ width0pt\relax} \fi \def\tex{\begingroup \catcode `\\=0 \catcode `\{=1 \catcode `\}=2 \catcode `\$=3 \catcode `\&=4 \catcode `\#=6 - \catcode `\^=7 \catcode `\_=8 \catcode `\~=13 \let~=\tie + \catcode `\^=7 \catcode `\_=8 \catcode `\~=\active \let~=\tie \catcode `\%=14 - \catcode 43=12 % plus - \catcode`\"=12 - \catcode`\==12 - \catcode`\|=12 - \catcode`\<=12 - \catcode`\>=12 + \catcode `\+=\other + \catcode `\"=\other + \catcode `\==\other + \catcode `\|=\other + \catcode `\<=\other + \catcode `\>=\other \escapechar=`\\ % \let\b=\ptexb @@ -4250,15 +4458,18 @@ width0pt\relax} \fi % Make spacing and below environment symmetrical. We use \parskip here % to help in doing that, since in @example-like environments \parskip % is reset to zero; thus the \afterenvbreak inserts no space -- but the -% start of the next paragraph will insert \parskip +% start of the next paragraph will insert \parskip. % \def\aboveenvbreak{{% - \ifnum\lastpenalty < 10000 + % =10000 instead of <10000 because of a special case in \itemzzz, q.v. + \ifnum \lastpenalty=10000 \else \advance\envskipamount by \parskip \endgraf \ifdim\lastskip<\envskipamount \removelastskip - \penalty-50 + % it's not a good place to break if the last penalty was \nobreak + % or better ... + \ifnum\lastpenalty>10000 \else \penalty-50 \fi \vskip\envskipamount \fi \fi @@ -4290,7 +4501,8 @@ width0pt\relax} \fi % \newskip\lskip\newskip\rskip -\long\def\cartouche{% +\def\cartouche{% +\par % can't be in the midst of a paragraph. \begingroup \lskip=\leftskip \rskip=\rightskip \leftskip=0pt\rightskip=0pt %we want these *outside*. @@ -4337,7 +4549,6 @@ width0pt\relax} \fi \inENV % This group ends at the end of the body \hfuzz = 12pt % Don't be fussy \sepspaces % Make spaces be word-separators rather than space tokens. - \singlespace \let\par = \lisppar % don't ignore blank lines \obeylines % each line of input is a line of output \parskip = 0pt @@ -4376,27 +4587,16 @@ 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. % @@ -4406,9 +4606,9 @@ 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 @@ -4423,9 +4623,9 @@ 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 @@ -4452,7 +4652,6 @@ width0pt\relax} \fi \def\quotation{% \begingroup\inENV %This group ends at the end of the @quotation body {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip - \singlespace \parindent=0pt % We have retained a nonzero parskip for the environment, since we're % doing normal filling. So to avoid extra space below the environment... @@ -4475,10 +4674,14 @@ width0pt\relax} \fi % % [Knuth]: Donald Ervin Knuth, 1996. The TeXbook. % -% [Knuth] p. 344; only we need to do '@' too +% [Knuth] p.344; only we need to do the other characters Texinfo sets +% active too. Otherwise, they get lost as the first character on a +% verbatim line. \def\dospecials{% - \do\ \do\\\do\@\do\{\do\}\do\$\do\&% - \do\#\do\^\do\^^K\do\_\do\^^A\do\%\do\~} + \do\ \do\\\do\{\do\}\do\$\do\&% + \do\#\do\^\do\^^K\do\_\do\^^A\do\%\do\~% + \do\<\do\>\do\|\do\@\do+\do\"% +} % % [Knuth] p. 380 \def\uncatcodespecials{% @@ -4565,7 +4768,7 @@ width0pt\relax} \fi % % For Texinfo it's a lot easier than for LaTeX, % because texinfo's \verbatim doesn't stop at '\end{verbatim}': -% we need not redefine '\', '{' and '}' +% we need not redefine '\', '{' and '}'. % % Inspired by LaTeX's verbatim command set [latex.ltx] %% Include LaTeX hack for completeness -- never know @@ -4575,9 +4778,14 @@ width0pt\relax} \fi %% \catcode`\\=12|gdef|doverbatim#1@end verbatim[ %% #1|endgroup|def|Everbatim[]|end[verbatim]] %% |endgroup +% \begingroup \catcode`\ =\active - \gdef\doverbatim#1@end verbatim{#1\end{verbatim}} + \obeylines % + % ignore everything up to the first ^^M, that's the newline at the end + % of the @verbatim input line itself. Otherwise we get an extra blank + % line in the output. + \gdef\doverbatim#1^^M#2@end verbatim{#2\end{verbatim}}% \endgroup % \def\verbatim{% @@ -4593,14 +4801,14 @@ width0pt\relax} \fi % Allow normal characters that we make active in the argument (a file name). \def\verbatiminclude{% \begingroup - \catcode`\\=12 - \catcode`~=12 - \catcode`^=12 - \catcode`_=12 - \catcode`|=12 - \catcode`<=12 - \catcode`>=12 - \catcode`+=12 + \catcode`\\=\other + \catcode`~=\other + \catcode`^=\other + \catcode`_=\other + \catcode`|=\other + \catcode`<=\other + \catcode`>=\other + \catcode`+=\other \parsearg\doverbatiminclude } \def\setupverbatiminclude{% @@ -4614,44 +4822,102 @@ width0pt\relax} \fi % Restore active chars for included file. \endgroup \begingroup - \def\thisfile{#1}% - \expandafter\expandafter\setupverbatiminclude\input\thisfile - \endgroup\nonfillfinish\endgroup + \let\value=\expandablevalue + \def\thisfile{#1}% + \expandafter\expandafter\setupverbatiminclude\input\thisfile + \endgroup + \nonfillfinish + \endgroup } % @copying ... @end copying. -% Save the text away for @insertcopying later. +% Save the text away for @insertcopying later. Many commands won't be +% allowed in this context, but that's ok. +% +% We save the uninterpreted tokens, rather than creating a box. +% Saving the text in a box would be much easier, but then all the +% typesetting commands (@smallbook, font changes, etc.) have to be done +% beforehand -- and a) we want @copying to be done first in the source +% file; b) letting users define the frontmatter in as flexible order as +% possible is very desirable. % -\newbox\copyingbox -% \def\copying{\begingroup - \parindent = 0pt % looks wrong on title page - \def\Ecopying{\egroup\endgroup}% - \global\setbox\copyingbox = \vbox\bgroup + % Define a command to swallow text until we reach `@end copying'. + % \ is the escape char in this texinfo.tex file, so it is the + % delimiter for the command; @ will be the escape char when we read + % it, but that doesn't matter. + \long\def\docopying##1\end copying{\gdef\copyingtext{##1}\enddocopying}% + % + % We must preserve ^^M's in the input file; see \insertcopying below. + \catcode`\^^M = \active + \docopying } -% @insertcopying. -% -\def\insertcopying{\unvcopy\copyingbox} +% What we do to finish off the copying text. +% +\def\enddocopying{\endgroup\ignorespaces} +% @insertcopying. Here we must play games with ^^M's. On the one hand, +% we need them to delimit commands such as `@end quotation', so they +% must be active. On the other hand, we certainly don't want every +% end-of-line to be a \par, as would happen with the normal active +% definition of ^^M. On the third hand, two ^^M's in a row should still +% generate a \par. +% +% Our approach is to make ^^M insert a space and a penalty1 normally; +% then it can also check if \lastpenalty=1. If it does, then manually +% do \par. +% +% This messes up the normal definitions of @c[omment], so we redefine +% it. Similarly for @ignore. (These commands are used in the gcc +% manual for man page generation.) +% +% Seems pretty fragile, most line-oriented commands will presumably +% fail, but for the limited use of getting the copying text (which +% should be quite simple) inserted, we can hope it's ok. +% +{\catcode`\^^M=\active % +\gdef\insertcopying{\begingroup % + \parindent = 0pt % looks wrong on title page + \def^^M{% + \ifnum \lastpenalty=1 % + \par % + \else % + \space \penalty 1 % + \fi % + }% + % + % Fix @c[omment] for catcode 13 ^^M's. + \def\c##1^^M{\ignorespaces}% + \let\comment = \c % + % + % Don't bother jumping through all the hoops that \doignore does, it + % would be very hard since the catcodes are already set. + \long\def\ignore##1\end ignore{\ignorespaces}% + % + \copyingtext % +\endgroup}% +} \message{defuns,} % @defun etc. % Allow user to change definition object font (\df) internally -\def\setdeffont #1 {\csname DEF#1\endcsname} +\def\setdeffont#1 {\csname DEF#1\endcsname} \newskip\defbodyindent \defbodyindent=.4in \newskip\defargsindent \defargsindent=50pt -\newskip\deftypemargin \deftypemargin=12pt \newskip\deflastargmargin \deflastargmargin=18pt \newcount\parencount -% define \functionparens, which makes ( and ) and & do special things. -% \functionparens affects the group it is contained in. + +% We want ()&[] to print specially on the defun line. +% \def\activeparens{% -\catcode`\(=\active \catcode`\)=\active \catcode`\&=\active -\catcode`\[=\active \catcode`\]=\active} + \catcode`\(=\active \catcode`\)=\active + \catcode`\&=\active + \catcode`\[=\active \catcode`\]=\active +} % Make control sequences which act like normal parenthesis chars. \let\lparen = ( \let\rparen = ) @@ -4698,36 +4964,51 @@ width0pt\relax} \fi % Active &'s sneak into the index arguments, so make sure it's defined. { - \catcode`& = 13 + \catcode`& = \active \global\let& = \ampnr } -% First, defname, which formats the header line itself. -% #1 should be the function name. -% #2 should be the type of definition, such as "Function". - -\def\defname #1#2{% -% Get the values of \leftskip and \rightskip as they were -% outside the @def... -\dimen2=\leftskip -\advance\dimen2 by -\defbodyindent -\noindent -\setbox0=\hbox{\hskip \deflastargmargin{\rm #2}\hskip \deftypemargin}% -\dimen0=\hsize \advance \dimen0 by -\wd0 % compute size for first line -\dimen1=\hsize \advance \dimen1 by -\defargsindent %size for continuations -\parshape 2 0in \dimen0 \defargsindent \dimen1 -% Now output arg 2 ("Function" or some such) -% ending at \deftypemargin from the right margin, -% but stuck inside a box of width 0 so it does not interfere with linebreaking -{% Adjust \hsize to exclude the ambient margins, -% so that \rightline will obey them. -\advance \hsize by -\dimen2 -\rlap{\rightline{{\rm #2}\hskip -1.25pc }}}% -% Make all lines underfull and no complaints: -\tolerance=10000 \hbadness=10000 -\advance\leftskip by -\defbodyindent -\exdentamount=\defbodyindent -{\df #1}\enskip % Generate function name +% \defname, which formats the name of the @def (not the args). +% #1 is the function name. +% #2 is the type of definition, such as "Function". +% +\def\defname#1#2{% + % How we'll output the type name. Putting it in brackets helps + % distinguish it from the body text that may end up on the next line + % just below it. + \ifempty{#2}% + \def\defnametype{}% + \else + \def\defnametype{[\rm #2]}% + \fi + % + % Get the values of \leftskip and \rightskip as they were outside the @def... + \dimen2=\leftskip + \advance\dimen2 by -\defbodyindent + % + % Figure out values for the paragraph shape. + \setbox0=\hbox{\hskip \deflastargmargin{\defnametype}}% + \dimen0=\hsize \advance \dimen0 by -\wd0 % compute size for first line + \dimen1=\hsize \advance \dimen1 by -\defargsindent % size for continuations + \parshape 2 0in \dimen0 \defargsindent \dimen1 + % + % Output arg 2 ("Function" or some such) but stuck inside a box of + % width 0 so it does not interfere with linebreaking. + \noindent + % + {% Adjust \hsize to exclude the ambient margins, + % so that \rightline will obey them. + \advance \hsize by -\dimen2 + \dimen3 = 0pt % was -1.25pc + \rlap{\rightline{\defnametype\kern\dimen3}}% + }% + % + % Allow all lines to be underfull without complaint: + \tolerance=10000 \hbadness=10000 + \advance\leftskip by -\defbodyindent + \exdentamount=\defbodyindent + {\df #1}\enskip % output function name + % \defunargs will be called next to output the arguments, if any. } % Common pieces to start any @def... @@ -4740,8 +5021,11 @@ width0pt\relax} \fi % If there are two @def commands in a row, we'll have a \nobreak, % which is there to keep the function description together with its % header. But if there's nothing but headers, we want to allow a - % break after all. - \ifnum\lastpenalty = 10000 \penalty0 \fi + % break after all. Check for penalty 10002 (inserted by + % \defargscommonending) instead of 10000, since the sectioning + % commands insert a \penalty10000, and we don't want to allow a break + % between a section heading and a defun. + \ifnum\lastpenalty=10002 \penalty0 \fi \medbreak % % Define the \E... end token that this defining construct specifies @@ -4753,24 +5037,38 @@ width0pt\relax} \fi \exdentamount=\defbodyindent } +% Common part of the \...x definitions. +% +\def\defxbodycommon{% + % As with \parsebodycommon above, allow line break if we have multiple + % x headers in a row. It's not a great place, though. + \ifnum\lastpenalty=10000 \penalty1000 \fi + % + \begingroup\obeylines +} + % Process body of @defun, @deffn, @defmac, etc. % \def\defparsebody#1#2#3{% \parsebodycommon{#1}{#2}{#3}% - \def#2{\begingroup\obeylines\activeparens\spacesplit#3}% - \catcode61=\active % 61 is `=' + \def#2{\defxbodycommon \activeparens \spacesplit#3}% + \catcode\equalChar=\active \begingroup\obeylines\activeparens \spacesplit#3% } -% #1, #2, #3 are the common arguments (see \defparsebody). +% #1, #2, #3 are the common arguments (see \parsebodycommon above). % #4, delimited by the space, is the class name. % \def\defmethparsebody#1#2#3#4 {% \parsebodycommon{#1}{#2}{#3}% - \def#2##1 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}}}% + \def#2##1 {\defxbodycommon \activeparens \spacesplit{#3{##1}}}% \begingroup\obeylines\activeparens - \spacesplit{#3{#4}}% + % The \empty here prevents misinterpretation of a construct such as + % @deffn {whatever} {Enharmonic comma} + % See comments at \deftpparsebody, although in our case we don't have + % to remove the \empty afterwards, since it is empty. + \spacesplit{#3{#4}}\empty } % Used for @deftypemethod and @deftypeivar. @@ -4780,7 +5078,7 @@ width0pt\relax} \fi % \def\deftypemethparsebody#1#2#3#4 #5 {% \parsebodycommon{#1}{#2}{#3}% - \def#2##1 ##2 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}{##2}}}% + \def#2##1 ##2 {\defxbodycommon \activeparens \spacesplit{#3{##1}{##2}}}% \begingroup\obeylines\activeparens \spacesplit{#3{#4}{#5}}% } @@ -4794,9 +5092,8 @@ width0pt\relax} \fi % \def\deftypeopparsebody#1#2#3#4#5 #6 {% \parsebodycommon{#1}{#2}{#3}% - \def#2##1 ##2 ##3 {% - \def#4{##1}% - \begingroup\obeylines\activeparens\spacesplit{#3{##2}{##3}}}% + \def#2##1 ##2 ##3 {\def#4{##1}% + \defxbodycommon \activeparens \spacesplit{#3{##2}{##3}}}% \begingroup\obeylines\activeparens \spacesplit{#3{#5}{#6}}% } @@ -4805,7 +5102,7 @@ width0pt\relax} \fi \def\defopparsebody #1#2#3#4#5 {% \parsebodycommon{#1}{#2}{#3}% \def#2##1 ##2 {\def#4{##1}% - \begingroup\obeylines\activeparens\spacesplit{#3{##2}}}% + \defxbodycommon \activeparens \spacesplit{#3{##2}}}% \begingroup\obeylines\activeparens \spacesplit{#3{#5}}% } @@ -4816,8 +5113,8 @@ width0pt\relax} \fi % \def\defvarparsebody #1#2#3{% \parsebodycommon{#1}{#2}{#3}% - \def#2{\begingroup\obeylines\spacesplit#3}% - \catcode61=\active % + \def#2{\defxbodycommon \spacesplit#3}% + \catcode\equalChar=\active \begingroup\obeylines \spacesplit#3% } @@ -4826,14 +5123,14 @@ width0pt\relax} \fi \def\defopvarparsebody #1#2#3#4#5 {% \parsebodycommon{#1}{#2}{#3}% \def#2##1 ##2 {\def#4{##1}% - \begingroup\obeylines\spacesplit{#3{##2}}}% + \defxbodycommon \spacesplit{#3{##2}}}% \begingroup\obeylines \spacesplit{#3{#5}}% } \def\defvrparsebody#1#2#3#4 {% \parsebodycommon{#1}{#2}{#3}% - \def#2##1 {\begingroup\obeylines\spacesplit{#3{##1}}}% + \def#2##1 {\defxbodycommon \spacesplit{#3{##1}}}% \begingroup\obeylines \spacesplit{#3{#4}}% } @@ -4849,7 +5146,7 @@ width0pt\relax} \fi % \def\deftpparsebody #1#2#3#4 {% \parsebodycommon{#1}{#2}{#3}% - \def#2##1 {\begingroup\obeylines\spacesplit{#3{##1}}}% + \def#2##1 {\defxbodycommon \spacesplit{#3{##1}}}% \begingroup\obeylines \spacesplit{\parsetpheaderline{#3{#4}}}\empty } @@ -4867,24 +5164,37 @@ width0pt\relax} \fi #1{\removeemptybraces#2\relax}{#3}% }% -% Split up #2 at the first space token. +% Split up #2 (the rest of the input line) at the first space token. % call #1 with two arguments: % the first is all of #2 before the space token, % the second is all of #2 after that space token. % If #2 contains no space token, all of it is passed as the first arg % and the second is passed as empty. % -{\obeylines -\gdef\spacesplit#1#2^^M{\endgroup\spacesplitfoo{#1}#2 \relax\spacesplitfoo}% -\long\gdef\spacesplitfoo#1#2 #3#4\spacesplitfoo{% -\ifx\relax #3% -#1{#2}{}\else #1{#2}{#3#4}\fi}} +{\obeylines % + \gdef\spacesplit#1#2^^M{\endgroup\spacesplitx{#1}#2 \relax\spacesplitx}% + \long\gdef\spacesplitx#1#2 #3#4\spacesplitx{% + \ifx\relax #3% + #1{#2}{}% + \else % + #1{#2}{#3#4}% + \fi}% +} % Define @defun. -% First, define the processing that is wanted for arguments of \defun -% Use this to expand the args and terminate the paragraph they make up +% This is called to end the arguments processing for all the @def... commands. +% +\def\defargscommonending{% + \interlinepenalty = 10000 + \advance\rightskip by 0pt plus 1fil + \endgraf + \nobreak\vskip -\parskip + \penalty 10002 % signal to \parsebodycommon. +} +% This expands the args and terminates the paragraph they comprise. +% \def\defunargs#1{\functionparens \sl % Expand, preventing hyphenation at `-' chars. % Note that groups don't affect changes in \hyphenchar. @@ -4893,9 +5203,7 @@ width0pt\relax} \fi #1% {\tensl\hyphenchar\font=45}% \ifnum\parencount=0 \else \errmessage{Unbalanced parentheses in @def}\fi% -\interlinepenalty=10000 -\advance\rightskip by 0pt plus 1fil -\endgraf\nobreak\vskip -\parskip\nobreak + \defargscommonending } \def\deftypefunargs #1{% @@ -4904,9 +5212,7 @@ width0pt\relax} \fi % Use \boldbraxnoamp, not \functionparens, so that & is not special. \boldbraxnoamp \tclose{#1}% avoid \code because of side effects on active chars -\interlinepenalty=10000 -\advance\rightskip by 0pt plus 1fil -\endgraf\nobreak\vskip -\parskip\nobreak + \defargscommonending } % Do complete processing of one @defun or @defunx line already parsed. @@ -4917,7 +5223,7 @@ width0pt\relax} \fi \def\deffnheader #1#2#3{\doind {fn}{\code{#2}}% \begingroup\defname {#2}{#1}\defunargs{#3}\endgroup % -\catcode 61=\other % Turn off change made in \defparsebody +\catcode\equalChar=\other % Turn off change made in \defparsebody } % @defun == @deffn Function @@ -4927,7 +5233,7 @@ width0pt\relax} \fi \def\defunheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index \begingroup\defname {#1}{\putwordDeffunc}% \defunargs {#2}\endgroup % -\catcode 61=\other % Turn off change made in \defparsebody +\catcode\equalChar=\other % Turn off change made in \defparsebody } % @deftypefun int foobar (int @var{foo}, float @var{bar}) @@ -4941,7 +5247,7 @@ width0pt\relax} \fi \doind {fn}{\code{#2}}% Make entry in function index \begingroup\defname {\defheaderxcond#1\relax$.$#2}{\putwordDeftypefun}% \deftypefunargs {#3}\endgroup % -\catcode 61=\other % Turn off change made in \defparsebody +\catcode\equalChar=\other % Turn off change made in \defparsebody } % @deftypefn {Library Function} int foobar (int @var{foo}, float @var{bar}) @@ -4962,7 +5268,7 @@ width0pt\relax} \fi % at least some C++ text from working \defname {\defheaderxcond#2\relax$.$#3}{#1}% \deftypefunargs {#4}\endgroup % -\catcode 61=\other % Turn off change made in \defparsebody +\catcode\equalChar=\other % Turn off change made in \defparsebody } % @defmac == @deffn Macro @@ -4972,7 +5278,7 @@ width0pt\relax} \fi \def\defmacheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index \begingroup\defname {#1}{\putwordDefmac}% \defunargs {#2}\endgroup % -\catcode 61=\other % Turn off change made in \defparsebody +\catcode\equalChar=\other % Turn off change made in \defparsebody } % @defspec == @deffn Special Form @@ -4982,7 +5288,7 @@ width0pt\relax} \fi \def\defspecheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index \begingroup\defname {#1}{\putwordDefspec}% \defunargs {#2}\endgroup % -\catcode 61=\other % Turn off change made in \defparsebody +\catcode\equalChar=\other % Turn off change made in \defparsebody } % @defop CATEGORY CLASS OPERATION ARG... @@ -4991,9 +5297,11 @@ width0pt\relax} \fi \defopparsebody\Edefop\defopx\defopheader\defoptype} % \def\defopheader#1#2#3{% -\dosubind {fn}{\code{#2}}{\putwordon\ #1}% Make entry in function index -\begingroup\defname {#2}{\defoptype\ \putwordon\ #1}% -\defunargs {#3}\endgroup % + \dosubind{fn}{\code{#2}}{\putwordon\ \code{#1}}% function index entry + \begingroup + \defname{#2}{\defoptype\ \putwordon\ #1}% + \defunargs{#3}% + \endgroup } % @deftypeop CATEGORY CLASS TYPE OPERATION ARG... @@ -5060,9 +5368,11 @@ width0pt\relax} \fi \defopvarparsebody\Edefcv\defcvx\defcvarheader\defcvtype} \def\defcvarheader #1#2#3{% -\dosubind {vr}{\code{#2}}{\putwordof\ #1}% Make entry in var index -\begingroup\defname {#2}{\defcvtype\ \putwordof\ #1}% -\defvarargs {#3}\endgroup % + \dosubind{vr}{\code{#2}}{\putwordof\ \code{#1}}% variable index entry + \begingroup + \defname{#2}{\defcvtype\ \putwordof\ #1}% + \defvarargs{#3}% + \endgroup } % @defivar CLASS VARNAME == @defcv {Instance Variable} CLASS VARNAME @@ -5070,7 +5380,7 @@ width0pt\relax} \fi \def\defivar{\defvrparsebody\Edefivar\defivarx\defivarheader} % \def\defivarheader#1#2#3{% - \dosubind {vr}{\code{#2}}{\putwordof\ #1}% entry in var index + \dosubind{vr}{\code{#2}}{\putwordof\ \code{#1}}% entry in var index \begingroup \defname{#2}{\putwordInstanceVariableof\ #1}% \defvarargs{#3}% @@ -5082,8 +5392,8 @@ width0pt\relax} \fi % This is actually simple: just print them in roman. % This must expand the args and terminate the paragraph they make up \def\defvarargs #1{\normalparens #1% -\interlinepenalty=10000 -\endgraf\nobreak\vskip -\parskip\nobreak} + \defargscommonending +} % @defvr Counter foo-count @@ -5119,8 +5429,7 @@ width0pt\relax} \fi \def\deftypevarheader #1#2{% \dovarind#2 \relax% Make entry in variables index \begingroup\defname {\defheaderxcond#1\relax$.$#2}{\putwordDeftypevar}% -\interlinepenalty=10000 -\endgraf\nobreak\vskip -\parskip\nobreak + \defargscommonending \endgroup} \def\dovarind#1 #2\relax{\doind{vr}{\code{#1}}} @@ -5130,8 +5439,7 @@ width0pt\relax} \fi \def\deftypevrheader #1#2#3{\dovarind#3 \relax% \begingroup\defname {\defheaderxcond#2\relax$.$#3}{#1} -\interlinepenalty=10000 -\endgraf\nobreak\vskip -\parskip\nobreak + \defargscommonending \endgroup} % Now define @deftp @@ -5180,7 +5488,7 @@ width0pt\relax} \fi \def\scanmacro#1{% \begingroup \newlinechar`\^^M % Undo catcode changes of \startcontents and \doprintindex - \catcode`\@=0 \catcode`\\=12 \escapechar=`\@ + \catcode`\@=0 \catcode`\\=\other \escapechar=`\@ % Append \endinput to make sure that TeX does not see the ending newline. \toks0={#1\endinput}% \immediate\openout\macscribble=\jobname.tmp @@ -5194,7 +5502,7 @@ width0pt\relax} \fi \def\scanmacro#1{% \begingroup \newlinechar`\^^M % Undo catcode changes of \startcontents and \doprintindex -\catcode`\@=0 \catcode`\\=12 \escapechar=`\@ +\catcode`\@=0 \catcode`\\=\other \escapechar=`\@ \let\xeatspaces\eatspaces\scantokens{#1\endinput}\endgroup} \fi @@ -5224,7 +5532,7 @@ width0pt\relax} \fi } % Trim a single trailing ^^M off a string. -{\catcode`\^^M=12\catcode`\Q=3% +{\catcode`\^^M=\other \catcode`\Q=3% \gdef\eatcr #1{\eatcra #1Q^^MQ}% \gdef\eatcra#1^^MQ{\eatcrb#1Q}% \gdef\eatcrb#1Q#2Q{#1}% @@ -5239,29 +5547,29 @@ width0pt\relax} \fi % body, and then making it the \newlinechar in \scanmacro. \def\macrobodyctxt{% - \catcode`\~=12 - \catcode`\^=12 - \catcode`\_=12 - \catcode`\|=12 - \catcode`\<=12 - \catcode`\>=12 - \catcode`\+=12 - \catcode`\{=12 - \catcode`\}=12 - \catcode`\@=12 - \catcode`\^^M=12 + \catcode`\~=\other + \catcode`\^=\other + \catcode`\_=\other + \catcode`\|=\other + \catcode`\<=\other + \catcode`\>=\other + \catcode`\+=\other + \catcode`\{=\other + \catcode`\}=\other + \catcode`\@=\other + \catcode`\^^M=\other \usembodybackslash} \def\macroargctxt{% - \catcode`\~=12 - \catcode`\^=12 - \catcode`\_=12 - \catcode`\|=12 - \catcode`\<=12 - \catcode`\>=12 - \catcode`\+=12 - \catcode`\@=12 - \catcode`\\=12} + \catcode`\~=\other + \catcode`\^=\other + \catcode`\_=\other + \catcode`\|=\other + \catcode`\<=\other + \catcode`\>=\other + \catcode`\+=\other + \catcode`\@=\other + \catcode`\\=\other} % \mbodybackslash is the definition of \ in @macro bodies. % It maps \foo\ => \csname macarg.foo\endcsname => #N @@ -5302,32 +5610,33 @@ width0pt\relax} \fi \else \expandafter\parsemacbody \fi} -\def\unmacro{\parsearg\unmacroxxx} -\def\unmacroxxx#1{% +\def\unmacro{\parsearg\dounmacro} +\def\dounmacro#1{% \if1\csname ismacro.#1\endcsname \global\cslet{#1}{macsave.#1}% \global\expandafter\let \csname ismacro.#1\endcsname=0% - % Remove the macro name from \macrolist + % Remove the macro name from \macrolist: \begingroup - \edef\tempa{\expandafter\noexpand\csname#1\endcsname}% - \def\do##1{% - \def\tempb{##1}% - \ifx\tempa\tempb - % remove this - \else - \toks0 = \expandafter{\newmacrolist\do}% - \edef\newmacrolist{\the\toks0\expandafter\noexpand\tempa}% - \fi}% - \def\newmacrolist{}% - % Execute macro list to define \newmacrolist - \macrolist - \global\let\macrolist\newmacrolist + \expandafter\let\csname#1\endcsname \relax + \let\do\unmacrodo + \xdef\macrolist{\macrolist}% \endgroup \else \errmessage{Macro #1 not defined}% \fi } +% Called by \do from \dounmacro on each macro. The idea is to omit any +% macro definitions that have been changed to \relax. +% +\def\unmacrodo#1{% + \ifx#1\relax + % remove this + \else + \noexpand\do \noexpand #1% + \fi +} + % This makes use of the obscure feature that if the last token of a % is #, then the preceding argument is delimited by % an opening brace, and that opening brace is not consumed. @@ -5510,15 +5819,23 @@ 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}% @@ -5570,7 +5887,7 @@ 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}% @@ -5590,7 +5907,7 @@ 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}{}}% @@ -5599,73 +5916,74 @@ 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{% - \expandafter\ifx\csname X#1\endcsname\relax + {% + \indexnofonts + \otherbackslash + \expandafter\global\expandafter\let\expandafter\thisrefX + \csname X#1\endcsname + }% + \ifx\thisrefX\relax % If not defined, say something at least. \angleleft un\-de\-fined\angleright \iflinks @@ -5680,19 +5998,14 @@ width0pt\relax} \fi \fi \else % It's defined, so just use it. - \csname X#1\endcsname + \thisrefX \fi #2% Output the suffix in any case. } % 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 @@ -5723,9 +6036,7 @@ 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 ^ @@ -5738,6 +6049,9 @@ 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 @@ -5749,7 +6063,9 @@ 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 @@ -5759,17 +6075,18 @@ 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 @@ -5814,7 +6131,7 @@ 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 @@ -5824,10 +6141,17 @@ 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 @@ -5857,12 +6181,6 @@ 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 @@ -5909,8 +6227,8 @@ 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 @@ -6035,11 +6353,13 @@ should work if nowhere else does.} } % Parameters in order: 1) textheight; 2) textwidth; 3) voffset; -% 4) hoffset; 5) binding offset; 6) topskip. We also call -% \setleading{\textleading}, so the caller should define \textleading. -% The caller should also set \parskip. +% 4) hoffset; 5) binding offset; 6) topskip; 7) physical page height; 8) +% physical page width. +% +% We also call \setleading{\textleading}, so the caller should define +% \textleading. The caller should also set \parskip. % -\def\internalpagesizes#1#2#3#4#5#6{% +\def\internalpagesizes#1#2#3#4#5#6#7#8{% \voffset = #3\relax \topskip = #6\relax \splittopskip = \topskip @@ -6058,28 +6378,27 @@ should work if nowhere else does.} \normaloffset = #4\relax \bindingoffset = #5\relax % + \ifpdf + \pdfpageheight #7\relax + \pdfpagewidth #8\relax + \fi + % \setleading{\textleading} % \parindent = \defaultparindent \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 \textleading = 13.2pt % % If page is nothing but text, make it come out even. - \internalpagesizes{46\baselineskip}{6in}{\voffset}{.25in}{\bindingoffset}{36pt}% + \internalpagesizes{46\baselineskip}{6in}% + {\voffset}{.25in}% + {\bindingoffset}{36pt}% + {11in}{8.5in}% }} % Use @smallbook to reset parameters for 7x9.5 (or so) format. @@ -6087,26 +6406,42 @@ should work if nowhere else does.} \parskip = 2pt plus 1pt \textleading = 12pt % - \internalpagesizes{7.5in}{5.in}{\voffset}{.25in}{\bindingoffset}{16pt}% + \internalpagesizes{7.5in}{5in}% + {\voffset}{.25in}% + {\bindingoffset}{16pt}% + {9.25in}{7in}% % \lispnarrowing = 0.3in \tolerance = 700 \hfuzz = 1pt \contentsrightmargin = 0pt - \deftypemargin = 0pt \defbodyindent = .5cm - \smallenvironments }} % Use @afourpaper to print on European A4 paper. \def\afourpaper{{\globaldefs = 1 \parskip = 3pt plus 2pt minus 1pt - \textleading = 12pt + \textleading = 13.2pt % - \internalpagesizes{53\baselineskip}{160mm}{\voffset}{4mm}{\bindingoffset}{44pt}% + % Double-side printing via postscript on Laserjet 4050 + % prints double-sided nicely when \bindingoffset=10mm and \hoffset=-6mm. + % To change the settings for a different printer or situation, adjust + % \normaloffset until the front-side and back-side texts align. Then + % do the same for \bindingoffset. You can set these for testing in + % your texinfo source file like this: + % @tex + % \global\normaloffset = -6mm + % \global\bindingoffset = 10mm + % @end tex + \internalpagesizes{51\baselineskip}{160mm} + {\voffset}{\hoffset}% + {\bindingoffset}{44pt}% + {297mm}{210mm}% % \tolerance = 700 \hfuzz = 1pt + \contentsrightmargin = 0pt + \defbodyindent = 5mm }} % Use @afivepaper to print on European A5 paper. @@ -6116,37 +6451,40 @@ should work if nowhere else does.} \parskip = 2pt plus 1pt minus 0.1pt \textleading = 12.5pt % - \internalpagesizes{166mm}{120mm}{\voffset}{-8mm}{\bindingoffset}{8pt}% + \internalpagesizes{160mm}{120mm}% + {\voffset}{\hoffset}% + {\bindingoffset}{8pt}% + {210mm}{148mm}% % \lispnarrowing = 0.2in \tolerance = 800 \hfuzz = 1.2pt - \contentsrightmargin = 0mm - \deftypemargin = 0pt + \contentsrightmargin = 0pt \defbodyindent = 2mm \tableindent = 12mm - % - \smallenvironments }} -% A specific text layout, 24x15cm overall, intended for A4 paper. Top margin -% 29mm, hence bottom margin 28mm, nominal side margin 3cm. +% A specific text layout, 24x15cm overall, intended for A4 paper. \def\afourlatex{{\globaldefs = 1 - \textleading = 13.6pt - % \afourpaper - \internalpagesizes{237mm}{150mm}{3.6mm}{3.6mm}{3mm}{7mm}% + \internalpagesizes{237mm}{150mm}% + {\voffset}{4.6mm}% + {\bindingoffset}{7mm}% + {297mm}{210mm}% % - % Must explicitly reset to 0 because we call \afourpaper, apparently, - % although this does not entirely make sense. + % Must explicitly reset to 0 because we call \afourpaper. \globaldefs = 0 }} -% Use @afourwide to print on European A4 paper in wide format. -\def\afourwide{% +% Use @afourwide to print on A4 paper in landscape format. +\def\afourwide{{\globaldefs = 1 \afourpaper - \internalpagesizes{6.5in}{9.5in}{\hoffset}{\normaloffset}{\bindingoffset}{7mm}% -} + \internalpagesizes{241mm}{165mm}% + {\voffset}{-2.95mm}% + {\bindingoffset}{7mm}% + {297mm}{210mm}% + \globaldefs = 0 +}} % @pagesizes TEXTHEIGHT[,TEXTWIDTH] % Perhaps we should allow setting the margins, \topskip, \parskip, @@ -6161,7 +6499,16 @@ should work if nowhere else does.} \parskip = 3pt plus 2pt minus 1pt \setleading{\textleading}% % - \internalpagesizes{#1}{\hsize}{\voffset}{\normaloffset}{\bindingoffset}{44pt}% + \dimen0 = #1 + \advance\dimen0 by \voffset + % + \dimen2 = \hsize + \advance\dimen2 by \normaloffset + % + \internalpagesizes{#1}{\hsize}% + {\voffset}{\normaloffset}% + {\bindingoffset}{44pt}% + {\dimen0}{\dimen2}% }} % Set default to letter. @@ -6225,7 +6572,7 @@ should work if nowhere else does.} \catcode`\_=\active \def_{\ifusingtt\normalunderscore\_} % Subroutine for the previous macro. -\def\_{\leavevmode \kern.06em \vbox{\hrule width.3em height.1ex}} +\def\_{\leavevmode \kern.07em \vbox{\hrule width.3em height.1ex}\kern .07em } \catcode`\|=\active \def|{{\tt\char124}} @@ -6239,8 +6586,6 @@ should work if nowhere else does.} \def+{{\tt \char 43}} \catcode`\$=\active \def${\ifusingit{{\sl\$}}\normaldollar}%$ font-lock fix -%\catcode 27=\active -%\def^^[{$\diamondsuit$} % Set up an active definition for =, but don't enable it most of the time. {\catcode`\==\active @@ -6257,44 +6602,46 @@ 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}} -% \catcode 17=0 % Define control-q \catcode`\\=\active % 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 +@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 +} -@def@normalturnoffactive{@let"=@normaldoublequote -@let\=@normalbackslash -@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. % This is canceled by @fixbackslash.