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author | Brooks Moses <brooks.moses@codesourcery.com> | 2006-12-05 18:50:57 +0000 |
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committer | Brooks Moses <brooks@gcc.gnu.org> | 2006-12-05 10:50:57 -0800 |
commit | 58660eb32cbccdf0a464141b58c5d668096b503a (patch) | |
tree | 2b84139cf346e3bd68c44932e41e6e2c44662e6c /gcc/doc | |
parent | ae07b4632c474d9bc48dfdeb8dd79ee3f4b36850 (diff) | |
download | gcc-58660eb32cbccdf0a464141b58c5d668096b503a.zip gcc-58660eb32cbccdf0a464141b58c5d668096b503a.tar.gz gcc-58660eb32cbccdf0a464141b58c5d668096b503a.tar.bz2 |
* doc/include/texinfo.tex: Update to version 2006-11-08.17.
From-SVN: r119551
Diffstat (limited to 'gcc/doc')
-rw-r--r-- | gcc/doc/include/texinfo.tex | 853 |
1 files changed, 568 insertions, 285 deletions
diff --git a/gcc/doc/include/texinfo.tex b/gcc/doc/include/texinfo.tex index 96d45ed..4d47842 100644 --- a/gcc/doc/include/texinfo.tex +++ b/gcc/doc/include/texinfo.tex @@ -3,11 +3,11 @@ % Load plain if necessary, i.e., if running under initex. \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi % -\def\texinfoversion{2005-06-10.07} +\def\texinfoversion{2006-11-08.17} % % Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, -% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software -% Foundation, Inc. +% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 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 @@ -153,28 +153,22 @@ \ifx\putwordDefopt\undefined \gdef\putwordDefopt{User Option}\fi \ifx\putwordDeffunc\undefined \gdef\putwordDeffunc{Function}\fi -% In some macros, we cannot use the `\? notation---the left quote is -% in some cases the escape char. -\chardef\backChar = `\\ +% Since the category of space is not known, we have to be careful. +\chardef\spacecat = 10 +\def\spaceisspace{\catcode`\ =\spacecat} + +% sometimes characters are active, so we need control sequences. \chardef\colonChar = `\: \chardef\commaChar = `\, +\chardef\dashChar = `\- \chardef\dotChar = `\. \chardef\exclamChar= `\! -\chardef\plusChar = `\+ +\chardef\lquoteChar= `\` \chardef\questChar = `\? +\chardef\rquoteChar= `\' \chardef\semiChar = `\; \chardef\underChar = `\_ -\chardef\spaceChar = `\ % -\chardef\spacecat = 10 -\def\spaceisspace{\catcode\spaceChar=\spacecat} - -{% for help with debugging. - % example usage: \expandafter\show\activebackslash - \catcode`\! = 0 \catcode`\\ = \active - !global!def!activebackslash{\} -} - % Ignore a token. % \def\gobble#1{} @@ -310,10 +304,14 @@ % take effect in \write's, yet the group defined by the \vbox ends % before the \shipout runs. % - \escapechar = `\\ % use backslash in output files. \indexdummies % don't expand commands in the output. \normalturnoffactive % \ in index entries must not stay \, e.g., if - % the page break happens to be in the middle of an example. + % the page break happens to be in the middle of an example. + % We don't want .vr (or whatever) entries like this: + % \entry{{\tt \indexbackslash }acronym}{32}{\code {\acronym}} + % "\acronym" won't work when it's read back in; + % it needs to be + % {\code {{\tt \backslashcurfont }acronym} \shipout\vbox{% % Do this early so pdf references go to the beginning of the page. \ifpdfmakepagedest \pdfdest name{\the\pageno} xyz\fi @@ -341,9 +339,9 @@ \pagebody{#1}% \ifdim\ht\footlinebox > 0pt % Only leave this space if the footline is nonempty. - % (We lessened \vsize for it in \oddfootingxxx.) + % (We lessened \vsize for it in \oddfootingyyy.) % The \baselineskip=24pt in plain's \makefootline has no effect. - \vskip 2\baselineskip + \vskip 24pt \unvbox\footlinebox \fi % @@ -364,7 +362,7 @@ \egroup % \vbox from first cropmarks clause \fi }% end of \shipout\vbox - }% end of group with \normalturnoffactive + }% end of group with \indexdummies \advancepageno \ifnum\outputpenalty>-20000 \else\dosupereject\fi } @@ -399,7 +397,7 @@ % \def\parsearg{\parseargusing{}} \def\parseargusing#1#2{% - \def\next{#2}% + \def\argtorun{#2}% \begingroup \obeylines \spaceisspace @@ -430,8 +428,7 @@ \def\argcheckspacesY#1\^^M#2\^^M#3\ArgTerm{% \def\temp{#3}% \ifx\temp\empty - % We cannot use \next here, as it holds the macro to run; - % thus we reuse \temp. + % Do not use \next, perhaps the caller of \parsearg uses it; reuse \temp: \let\temp\finishparsearg \else \let\temp\argcheckspaces @@ -443,14 +440,14 @@ % If a _delimited_ argument is enclosed in braces, they get stripped; so % to get _exactly_ the rest of the line, we had to prevent such situation. % We prepended an \empty token at the very beginning and we expand it now, -% just before passing the control to \next. +% just before passing the control to \argtorun. % (Similarily, we have to think about #3 of \argcheckspacesY above: it is % either the null string, or it ends with \^^M---thus there is no danger % that a pair of braces would be stripped. % % But first, we have to remove the trailing space token. % -\def\finishparsearg#1 \ArgTerm{\expandafter\next\expandafter{#1}} +\def\finishparsearg#1 \ArgTerm{\expandafter\argtorun\expandafter{#1}} % \parseargdef\foo{...} % is roughly equivalent to @@ -1054,9 +1051,9 @@ where each line of input produces a line of output.} % _ active, and distinguish by seeing if the current family is \slfam, % which is what @var uses. { - \catcode\underChar = \active + \catcode`\_ = \active \gdef\mathunderscore{% - \catcode\underChar=\active + \catcode`\_=\active \def_{\ifnum\fam=\slfam \_\else\sb\fi}% } } @@ -1099,15 +1096,24 @@ where each line of input produces a line of output.} \def\minus{$-$} % @dots{} outputs an ellipsis using the current font. -% We do .5em per period so that it has the same spacing in a typewriter -% font as three actual period characters. +% We do .5em per period so that it has the same spacing in the cm +% typewriter fonts as three actual period characters; on the other hand, +% in other typewriter fonts three periods are wider than 1.5em. So do +% whichever is larger. % \def\dots{% \leavevmode - \hbox to 1.5em{% - \hskip 0pt plus 0.25fil - .\hfil.\hfil.% - \hskip 0pt plus 0.5fil + \setbox0=\hbox{...}% get width of three periods + \ifdim\wd0 > 1.5em + \dimen0 = \wd0 + \else + \dimen0 = 1.5em + \fi + \hbox to \dimen0{% + \hskip 0pt plus.25fil + .\hskip 0pt plus1fil + .\hskip 0pt plus1fil + .\hskip 0pt plus.5fil }% } @@ -1200,21 +1206,20 @@ where each line of input produces a line of output.} \fi \fi -% PDF uses PostScript string constants for the names of xref targets, to +% PDF uses PostScript string constants for the names of xref targets, % for display in the outlines, and in other places. Thus, we have to % double any backslashes. Otherwise, a name like "\node" will be % interpreted as a newline (\n), followed by o, d, e. Not good. % http://www.ntg.nl/pipermail/ntg-pdftex/2004-July/000654.html % (and related messages, the final outcome is that it is up to the TeX % user to double the backslashes and otherwise make the string valid, so -% that's we do). +% that's what we do). % double active backslashes. % {\catcode`\@=0 \catcode`\\=\active - @gdef@activebackslash{@catcode`@\=@active @otherbackslash} @gdef@activebackslashdouble{% - @catcode@backChar=@active + @catcode`@\=@active @let\=@doublebackslash} } @@ -1246,21 +1251,52 @@ where each line of input produces a line of output.} \def\backslashparens#1{% \xdef#1{#1}% redefine it as its expansion; the definition is simply % \lastnode when called from \setref -> \pdfmkdest. - \HyPsdSubst{(}{\backslashlparen}{#1}% - \HyPsdSubst{)}{\backslashrparen}{#1}% + \HyPsdSubst{(}{\realbackslash(}{#1}% + \HyPsdSubst{)}{\realbackslash)}{#1}% } -{\catcode\exclamChar = 0 \catcode\backChar = \other - !gdef!backslashlparen{\(}% - !gdef!backslashrparen{\)}% -} +\newhelp\nopdfimagehelp{Texinfo supports .png, .jpg, .jpeg, and .pdf images +with PDF output, and none of those formats could be found. (.eps cannot +be supported due to the design of the PDF format; use regular TeX (DVI +output) for that.)} \ifpdf \input pdfcolor \pdfcatalog{/PageMode /UseOutlines}% + % #1 is image name, #2 width (might be empty/whitespace), #3 height (ditto). \def\dopdfimage#1#2#3{% - \def\imagewidth{#2}% - \def\imageheight{#3}% + \def\imagewidth{#2}\setbox0 = \hbox{\ignorespaces #2}% + \def\imageheight{#3}\setbox2 = \hbox{\ignorespaces #3}% + % + % pdftex (and the PDF format) support .png, .jpg, .pdf (among + % others). Let's try in that order. + \let\pdfimgext=\empty + \begingroup + \openin 1 #1.png \ifeof 1 + \openin 1 #1.jpg \ifeof 1 + \openin 1 #1.jpeg \ifeof 1 + \openin 1 #1.JPG \ifeof 1 + \openin 1 #1.pdf \ifeof 1 + \errhelp = \nopdfimagehelp + \errmessage{Could not find image file #1 for pdf}% + \else + \gdef\pdfimgext{pdf}% + \fi + \else + \gdef\pdfimgext{JPG}% + \fi + \else + \gdef\pdfimgext{jpeg}% + \fi + \else + \gdef\pdfimgext{jpg}% + \fi + \else + \gdef\pdfimgext{png}% + \fi + \closein 1 + \endgroup + % % without \immediate, pdftex seg faults when the same image is % included twice. (Version 3.14159-pre-1.0-unofficial-20010704.) \ifnum\pdftexversion < 14 @@ -1268,12 +1304,12 @@ where each line of input produces a line of output.} \else \immediate\pdfximage \fi - \ifx\empty\imagewidth\else width \imagewidth \fi - \ifx\empty\imageheight\else height \imageheight \fi + \ifdim \wd0 >0pt width \imagewidth \fi + \ifdim \wd2 >0pt height \imageheight \fi \ifnum\pdftexversion<13 - #1.pdf% + #1.\pdfimgext \else - {#1.pdf}% + {#1.\pdfimgext}% \fi \ifnum\pdftexversion < 14 \else \pdfrefximage \pdflastximage @@ -1282,7 +1318,6 @@ where each line of input produces a line of output.} % We have to set dummies so commands such as @code, and characters % such as \, aren't expanded when present in a section title. \atdummies - \turnoffactive \activebackslashdouble \def\pdfdestname{#1}% \backslashparens\pdfdestname @@ -1394,7 +1429,7 @@ where each line of input produces a line of output.} % now, I guess we'll just let the pdf reader have its way. \indexnofonts \setupdatafile - \activebackslash + \catcode`\\=\active \otherbackslash \input \jobname.toc \endgroup } @@ -1413,9 +1448,17 @@ where each line of input produces a line of output.} \else \let \startlink \pdfstartlink \fi + % make a live url in pdf output. \def\pdfurl#1{% \begingroup - \normalturnoffactive\def\@{@}% + % it seems we really need yet another set of dummies; have not + % tried to figure out what each command should do in the context + % of @url. for now, just make @/ a no-op, that's the only one + % people have actually reported a problem with. + % + \normalturnoffactive + \def\@{@}% + \let\/=\empty \makevalueexpandable \leavevmode\Red \startlink attr{/Border [0 0 0]}% @@ -1485,6 +1528,7 @@ where each line of input produces a line of output.} % We don't need math for this font style. \def\ttsl{\setfontstyle{ttsl}} + % Default leading. \newdimen\textleading \textleading = 13.2pt @@ -1506,11 +1550,13 @@ where each line of input produces a line of output.} }% } + % Set the font macro #1 to the font named #2, adding on the % specified font prefix (normally `cm'). % #3 is the font's design size, #4 is a scale factor \def\setfont#1#2#3#4{\font#1=\fontprefix#2#3 scaled #4} + % Use cm as the default font prefix. % To specify the font prefix, you must define \fontprefix % before you read in texinfo.tex. @@ -1534,6 +1580,10 @@ where each line of input produces a line of output.} \def\scshape{csc} \def\scbshape{csc} +% Definitions for a main text size of 11pt. This is the default in +% Texinfo. +% +\def\definetextfontsizexi{ % Text fonts (11.2pt, magstep1). \def\textnominalsize{11pt} \edef\mainmagstep{\magstephalf} @@ -1647,6 +1697,165 @@ where each line of input produces a line of output.} \font\reducedi=cmmi10 \font\reducedsy=cmsy10 +% reset the current fonts +\textfonts +\rm +} % end of 11pt text font size definitions + + +% Definitions to make the main text be 10pt Computer Modern, with +% section, chapter, etc., sizes following suit. This is for the GNU +% Press printing of the Emacs 22 manual. Maybe other manuals in the +% future. Used with @smallbook, which sets the leading to 12pt. +% +\def\definetextfontsizex{% +% Text fonts (10pt). +\def\textnominalsize{10pt} +\edef\mainmagstep{1000} +\setfont\textrm\rmshape{10}{\mainmagstep} +\setfont\texttt\ttshape{10}{\mainmagstep} +\setfont\textbf\bfshape{10}{\mainmagstep} +\setfont\textit\itshape{10}{\mainmagstep} +\setfont\textsl\slshape{10}{\mainmagstep} +\setfont\textsf\sfshape{10}{\mainmagstep} +\setfont\textsc\scshape{10}{\mainmagstep} +\setfont\textttsl\ttslshape{10}{\mainmagstep} +\font\texti=cmmi10 scaled \mainmagstep +\font\textsy=cmsy10 scaled \mainmagstep + +% A few fonts for @defun names and args. +\setfont\defbf\bfshape{10}{\magstephalf} +\setfont\deftt\ttshape{10}{\magstephalf} +\setfont\defttsl\ttslshape{10}{\magstephalf} +\def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf} + +% Fonts for indices, footnotes, small examples (9pt). +\def\smallnominalsize{9pt} +\setfont\smallrm\rmshape{9}{1000} +\setfont\smalltt\ttshape{9}{1000} +\setfont\smallbf\bfshape{10}{900} +\setfont\smallit\itshape{9}{1000} +\setfont\smallsl\slshape{9}{1000} +\setfont\smallsf\sfshape{9}{1000} +\setfont\smallsc\scshape{10}{900} +\setfont\smallttsl\ttslshape{10}{900} +\font\smalli=cmmi9 +\font\smallsy=cmsy9 + +% Fonts for small examples (8pt). +\def\smallernominalsize{8pt} +\setfont\smallerrm\rmshape{8}{1000} +\setfont\smallertt\ttshape{8}{1000} +\setfont\smallerbf\bfshape{10}{800} +\setfont\smallerit\itshape{8}{1000} +\setfont\smallersl\slshape{8}{1000} +\setfont\smallersf\sfshape{8}{1000} +\setfont\smallersc\scshape{10}{800} +\setfont\smallerttsl\ttslshape{10}{800} +\font\smalleri=cmmi8 +\font\smallersy=cmsy8 + +% Fonts for title page (20.4pt): +\def\titlenominalsize{20pt} +\setfont\titlerm\rmbshape{12}{\magstep3} +\setfont\titleit\itbshape{10}{\magstep4} +\setfont\titlesl\slbshape{10}{\magstep4} +\setfont\titlett\ttbshape{12}{\magstep3} +\setfont\titlettsl\ttslshape{10}{\magstep4} +\setfont\titlesf\sfbshape{17}{\magstep1} +\let\titlebf=\titlerm +\setfont\titlesc\scbshape{10}{\magstep4} +\font\titlei=cmmi12 scaled \magstep3 +\font\titlesy=cmsy10 scaled \magstep4 +\def\authorrm{\secrm} +\def\authortt{\sectt} + +% Chapter fonts (14.4pt). +\def\chapnominalsize{14pt} +\setfont\chaprm\rmbshape{12}{\magstep1} +\setfont\chapit\itbshape{10}{\magstep2} +\setfont\chapsl\slbshape{10}{\magstep2} +\setfont\chaptt\ttbshape{12}{\magstep1} +\setfont\chapttsl\ttslshape{10}{\magstep2} +\setfont\chapsf\sfbshape{12}{\magstep1} +\let\chapbf\chaprm +\setfont\chapsc\scbshape{10}{\magstep2} +\font\chapi=cmmi12 scaled \magstep1 +\font\chapsy=cmsy10 scaled \magstep2 + +% Section fonts (12pt). +\def\secnominalsize{12pt} +\setfont\secrm\rmbshape{12}{1000} +\setfont\secit\itbshape{10}{\magstep1} +\setfont\secsl\slbshape{10}{\magstep1} +\setfont\sectt\ttbshape{12}{1000} +\setfont\secttsl\ttslshape{10}{\magstep1} +\setfont\secsf\sfbshape{12}{1000} +\let\secbf\secrm +\setfont\secsc\scbshape{10}{\magstep1} +\font\seci=cmmi12 +\font\secsy=cmsy10 scaled \magstep1 + +% Subsection fonts (10pt). +\def\ssecnominalsize{10pt} +\setfont\ssecrm\rmbshape{10}{1000} +\setfont\ssecit\itbshape{10}{1000} +\setfont\ssecsl\slbshape{10}{1000} +\setfont\ssectt\ttbshape{10}{1000} +\setfont\ssecttsl\ttslshape{10}{1000} +\setfont\ssecsf\sfbshape{10}{1000} +\let\ssecbf\ssecrm +\setfont\ssecsc\scbshape{10}{1000} +\font\sseci=cmmi10 +\font\ssecsy=cmsy10 + +% Reduced fonts for @acro in text (9pt). +\def\reducednominalsize{9pt} +\setfont\reducedrm\rmshape{9}{1000} +\setfont\reducedtt\ttshape{9}{1000} +\setfont\reducedbf\bfshape{10}{900} +\setfont\reducedit\itshape{9}{1000} +\setfont\reducedsl\slshape{9}{1000} +\setfont\reducedsf\sfshape{9}{1000} +\setfont\reducedsc\scshape{10}{900} +\setfont\reducedttsl\ttslshape{10}{900} +\font\reducedi=cmmi9 +\font\reducedsy=cmsy9 + +% reduce space between paragraphs +\divide\parskip by 2 + +% reset the current fonts +\textfonts +\rm +} % end of 10pt text font size definitions + + +% We provide the user-level command +% @fonttextsize 10 +% (or 11) to redefine the text font size. pt is assumed. +% +\def\xword{10} +\def\xiword{11} +% +\parseargdef\fonttextsize{% + \def\textsizearg{#1}% + \wlog{doing @fonttextsize \textsizearg}% + % + % Set \globaldefs so that documents can use this inside @tex, since + % makeinfo 4.8 does not support it, but we need it nonetheless. + % + \begingroup \globaldefs=1 + \ifx\textsizearg\xword \definetextfontsizex + \else \ifx\textsizearg\xiword \definetextfontsizexi + \else + \errhelp=\EMsimple + \errmessage{@fonttextsize only supports `10' or `11', not `\textsizearg'} + \fi\fi + \endgroup +} + + % In order for the font changes to affect most math symbols and letters, % we have to define the \textfont of the standard families. Since % texinfo doesn't allow for producing subscripts and superscripts except @@ -1757,7 +1966,7 @@ where each line of input produces a line of output.} % Set up the default fonts, so we can use them for creating boxes. % -\textfonts \rm +\definetextfontsizexi % Define these so they can be easily changed for other fonts. \def\angleleft{$\langle$} @@ -1841,6 +2050,7 @@ where each line of input produces a line of output.} \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}% \kern-0.4pt\hrule}% \kern-.06em\raise0.4pt\hbox{\angleright}}}} +\def\key #1{{\nohyphenation \uppercase{#1}}\null} % The old definition, with no lozenge: %\def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null} \def\ctrl #1{{\tt \rawbackslash \hat}#1} @@ -1882,11 +2092,14 @@ where each line of input produces a line of output.} % and arrange explicitly to hyphenate at a dash. % -- rms. { - \catcode`\-=\active - \catcode`\_=\active + \catcode`\-=\active \catcode`\_=\active + \catcode`\'=\active \catcode`\`=\active % \global\def\code{\begingroup - \catcode`\-=\active \catcode`\_=\active + \catcode\rquoteChar=\active \catcode\lquoteChar=\active + \let'\codequoteright \let`\codequoteleft + % + \catcode\dashChar=\active \catcode\underChar=\active \ifallowcodebreaks \let-\codedash \let_\codeunder @@ -2132,6 +2345,10 @@ where each line of input produces a line of output.} }$% } +% @textdegree - the normal degrees sign. +% +\def\textdegree{$^\circ$} + % Laurent Siebenmann reports \Orb undefined with: % Textures 1.7.7 (preloaded format=plain 93.10.14) (68K) 16 APR 2004 02:38 % so we'll define it if necessary. @@ -2303,8 +2520,8 @@ where each line of input produces a line of output.} % % Leave some space for the footline. Hopefully ok to assume % @evenfooting will not be used by itself. - \global\advance\pageheight by -\baselineskip - \global\advance\vsize by -\baselineskip + \global\advance\pageheight by -12pt + \global\advance\vsize by -12pt } \parseargdef\everyfooting{\oddfootingxxx{#1}\evenfootingxxx{#1}} @@ -2963,6 +3180,7 @@ where each line of input produces a line of output.} \def\doignore#1{\begingroup % Scan in ``verbatim'' mode: + \obeylines \catcode`\@ = \other \catcode`\{ = \other \catcode`\} = \other @@ -2983,16 +3201,16 @@ where each line of input produces a line of output.} \gdef\dodoignore#1{% % #1 contains the command name as a string, e.g., `ifinfo'. % - % Define a command to find the next `@end #1', which must be on a line - % by itself. - \long\def\doignoretext##1^^M@end #1{\doignoretextyyy##1^^M@#1\_STOP_}% + % Define a command to find the next `@end #1'. + \long\def\doignoretext##1^^M@end #1{% + \doignoretextyyy##1^^M@#1\_STOP_}% + % % And this command to find another #1 command, at the beginning of a % line. (Otherwise, we would consider a line `@c @ifset', for % example, to count as an @ifset for nesting.) \long\def\doignoretextyyy##1^^M@#1##2\_STOP_{\doignoreyyy{##2}\_STOP_}% % % And now expand that command. - \obeylines % \doignoretext ^^M% }% } @@ -3022,7 +3240,12 @@ where each line of input produces a line of output.} } % Finish off ignored text. -\def\enddoignore{\endgroup\ignorespaces} +{ \obeylines% + % Ignore anything after the last `@end #1'; this matters in verbatim + % environments, where otherwise the newline after an ignored conditional + % would result in a blank line in the output. + \gdef\enddoignore#1^^M{\endgroup\ignorespaces}% +} % @set VAR sets the variable VAR to an empty value. @@ -3222,34 +3445,41 @@ where each line of input produces a line of output.} % we have to laboriously prevent expansion for those that we don't. % \def\indexdummies{% + \escapechar = `\\ % use backslash in output files. \def\@{@}% change to @@ when we switch to @ as escape char in index files. \def\ {\realbackslash\space }% + % % Need these in case \tex is in effect and \{ is a \delimiter again. % But can't use \lbracecmd and \rbracecmd because texindex assumes % braces and backslashes are used only as delimiters. \let\{ = \mylbrace \let\} = \myrbrace % - % \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}% - }% - \let\definedummyaccent\definedummyletter + % I don't entirely understand this, but when an index entry is + % generated from a macro call, the \endinput which \scanmacro inserts + % causes processing to be prematurely terminated. This is, + % apparently, because \indexsorttmp is fully expanded, and \endinput + % is an expandable command. The redefinition below makes \endinput + % disappear altogether for that purpose -- although logging shows that + % processing continues to some further point. On the other hand, it + % seems \endinput does not hurt in the printed index arg, since that + % is still getting written without apparent harm. + % + % Sample source (mac-idx3.tex, reported by Graham Percival to + % help-texinfo, 22may06): + % @macro funindex {WORD} + % @findex xyz + % @end macro + % ... + % @funindex commtest + % + % The above is not enough to reproduce the bug, but it gives the flavor. + % + % Sample whatsit resulting: + % .@write3{\entry{xyz}{@folio }{@code {xyz@endinput }}} + % + % So: + \let\endinput = \empty % % Do the redefinitions. \commondummies @@ -3266,147 +3496,152 @@ where each line of input produces a line of output.} \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}% - }% - \let\definedummyaccent\definedummyletter - % % Do the redefinitions. \commondummies + \otherbackslash } -% Called from \indexdummies and \atdummies. \definedummyword and -% \definedummyletter must be defined first. +% Called from \indexdummies and \atdummies. % \def\commondummies{% % - \normalturnoffactive + % \definedummyword defines \#1 as \string\#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{\def##1{\string##1\space}}% + \def\definedummyletter##1{\def##1{\string##1}}% + \let\definedummyaccent\definedummyletter % \commondummiesnofonts % - \definedummyletter{_}% + \definedummyletter\_% % % 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}% - \definedummyword{exclamdown}% - \definedummyword{questiondown}% - \definedummyword{ordf}% - \definedummyword{ordm}% + \definedummyword\AA + \definedummyword\AE + \definedummyword\L + \definedummyword\OE + \definedummyword\O + \definedummyword\aa + \definedummyword\ae + \definedummyword\l + \definedummyword\oe + \definedummyword\o + \definedummyword\ss + \definedummyword\exclamdown + \definedummyword\questiondown + \definedummyword\ordf + \definedummyword\ordm % % 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}% - % - \definedummyword{LaTeX}% - \definedummyword{TeX}% + \definedummyword\bf + \definedummyword\gtr + \definedummyword\hat + \definedummyword\less + \definedummyword\sf + \definedummyword\sl + \definedummyword\tclose + \definedummyword\tt + % + \definedummyword\LaTeX + \definedummyword\TeX % % Assorted special characters. - \definedummyword{bullet}% - \definedummyword{comma}% - \definedummyword{copyright}% - \definedummyword{registeredsymbol}% - \definedummyword{dots}% - \definedummyword{enddots}% - \definedummyword{equiv}% - \definedummyword{error}% - \definedummyword{euro}% - \definedummyword{expansion}% - \definedummyword{minus}% - \definedummyword{pounds}% - \definedummyword{point}% - \definedummyword{print}% - \definedummyword{result}% + \definedummyword\bullet + \definedummyword\comma + \definedummyword\copyright + \definedummyword\registeredsymbol + \definedummyword\dots + \definedummyword\enddots + \definedummyword\equiv + \definedummyword\error + \definedummyword\euro + \definedummyword\expansion + \definedummyword\minus + \definedummyword\pounds + \definedummyword\point + \definedummyword\print + \definedummyword\result + \definedummyword\textdegree + % + % We want to disable all macros so that they are not expanded by \write. + \macrolist + % + \normalturnoffactive % % Handle some cases of @value -- where it does not contain any % (non-fully-expandable) commands. \makevalueexpandable - % - % Normal spaces, not active ones. - \unsepspaces - % - % No macro expansion. - \turnoffmacros } % \commondummiesnofonts: common to \commondummies and \indexnofonts. % -% Better have this without active chars. -{ - \catcode`\~=\other - \gdef\commondummiesnofonts{% - % Control letters and accents. - \definedummyletter{!}% - \definedummyaccent{"}% - \definedummyaccent{'}% - \definedummyletter{*}% - \definedummyaccent{,}% - \definedummyletter{.}% - \definedummyletter{/}% - \definedummyletter{:}% - \definedummyaccent{=}% - \definedummyletter{?}% - \definedummyaccent{^}% - \definedummyaccent{`}% - \definedummyaccent{~}% - \definedummyword{u}% - \definedummyword{v}% - \definedummyword{H}% - \definedummyword{dotaccent}% - \definedummyword{ringaccent}% - \definedummyword{tieaccent}% - \definedummyword{ubaraccent}% - \definedummyword{udotaccent}% - \definedummyword{dotless}% - % - % Texinfo font commands. - \definedummyword{b}% - \definedummyword{i}% - \definedummyword{r}% - \definedummyword{sc}% - \definedummyword{t}% - % - % Commands that take arguments. - \definedummyword{acronym}% - \definedummyword{cite}% - \definedummyword{code}% - \definedummyword{command}% - \definedummyword{dfn}% - \definedummyword{emph}% - \definedummyword{env}% - \definedummyword{file}% - \definedummyword{kbd}% - \definedummyword{key}% - \definedummyword{math}% - \definedummyword{option}% - \definedummyword{samp}% - \definedummyword{strong}% - \definedummyword{tie}% - \definedummyword{uref}% - \definedummyword{url}% - \definedummyword{var}% - \definedummyword{verb}% - \definedummyword{w}% - } +\def\commondummiesnofonts{% + % Control letters and accents. + \definedummyletter\!% + \definedummyaccent\"% + \definedummyaccent\'% + \definedummyletter\*% + \definedummyaccent\,% + \definedummyletter\.% + \definedummyletter\/% + \definedummyletter\:% + \definedummyaccent\=% + \definedummyletter\?% + \definedummyaccent\^% + \definedummyaccent\`% + \definedummyaccent\~% + \definedummyword\u + \definedummyword\v + \definedummyword\H + \definedummyword\dotaccent + \definedummyword\ringaccent + \definedummyword\tieaccent + \definedummyword\ubaraccent + \definedummyword\udotaccent + \definedummyword\dotless + % + % Texinfo font commands. + \definedummyword\b + \definedummyword\i + \definedummyword\r + \definedummyword\sc + \definedummyword\t + % + % Commands that take arguments. + \definedummyword\acronym + \definedummyword\cite + \definedummyword\code + \definedummyword\command + \definedummyword\dfn + \definedummyword\emph + \definedummyword\env + \definedummyword\file + \definedummyword\kbd + \definedummyword\key + \definedummyword\math + \definedummyword\option + \definedummyword\pxref + \definedummyword\ref + \definedummyword\samp + \definedummyword\strong + \definedummyword\tie + \definedummyword\uref + \definedummyword\url + \definedummyword\var + \definedummyword\verb + \definedummyword\w + \definedummyword\xref } % \indexnofonts is used when outputting the strings to sort the index @@ -3416,13 +3651,9 @@ where each line of input produces a line of output.} % \def\indexnofonts{% % Accent commands should become @asis. - \def\definedummyaccent##1{% - \expandafter\let\csname ##1\endcsname\asis - }% + \def\definedummyaccent##1{\let##1\asis}% % We can just ignore other control letters. - \def\definedummyletter##1{% - \expandafter\def\csname ##1\endcsname{}% - }% + \def\definedummyletter##1{\let##1\empty}% % Hopefully, all control words can become @asis. \let\definedummyword\definedummyaccent % @@ -3475,9 +3706,19 @@ where each line of input produces a line of output.} \def\point{.}% \def\print{-|}% \def\result{=>}% + \def\textdegree{degrees}% % - % Don't write macro names. - \emptyusermacros + % We need to get rid of all macros, leaving only the arguments (if present). + % Of course this is not nearly correct, but it is the best we can do for now. + % makeinfo does not expand macros in the argument to @deffn, which ends up + % writing an index entry, and texindex isn't prepared for an index sort entry + % that starts with \. + % + % Since macro invocations are followed by braces, we can just redefine them + % to take a single TeX argument. The case of a macro invocation that + % goes to end-of-line is not handled. + % + \macrolist } \let\indexbackslash=0 %overridden during \printindex. @@ -3524,7 +3765,6 @@ where each line of input produces a line of output.} % % Remember, we are within a group. \indexdummies % Must do this here, since \bf, etc expand at this stage - \escapechar=`\\ \def\backslashcurfont{\indexbackslash}% \indexbackslash isn't defined now % so it will be output as is; and it will print as backslash. % @@ -3815,9 +4055,9 @@ where each line of input produces a line of output.} \endgroup } -% Like \dotfill except takes at least 1 em. +% Like plain.tex's \dotfill, except uses up at least 1 em. \def\indexdotfill{\cleaders - \hbox{$\mathsurround=0pt \mkern1.5mu ${\it .}$ \mkern1.5mu$}\hskip 1em plus 1fill} + \hbox{$\mathsurround=0pt \mkern1.5mu.\mkern1.5mu$}\hskip 1em plus 1fill} \def\primary #1{\line{#1\hfil}} @@ -4391,14 +4631,17 @@ where each line of input produces a line of output.} \ifx\temptype\Ynothingkeyword \setbox0 = \hbox{}% \def\toctype{unnchap}% + \gdef\thischapternum{}% \gdef\thischapter{#1}% \else\ifx\temptype\Yomitfromtockeyword \setbox0 = \hbox{}% contents like unnumbered, but no toc entry \def\toctype{omit}% + \gdef\thischapternum{}% \gdef\thischapter{}% \else\ifx\temptype\Yappendixkeyword \setbox0 = \hbox{\putwordAppendix{} #3\enspace}% \def\toctype{app}% + \xdef\thischapternum{\appendixletter}% % We don't substitute the actual chapter name into \thischapter % because we don't want its macros evaluated now. And we don't % use \thissection because that changes with each section. @@ -4408,6 +4651,7 @@ where each line of input produces a line of output.} \else \setbox0 = \hbox{#3\enspace}% \def\toctype{numchap}% + \xdef\thischapternum{\the\chapno}% \xdef\thischapter{\putwordChapter{} \the\chapno: \noexpand\thischaptername}% \fi\fi\fi @@ -4519,13 +4763,21 @@ where each line of input produces a line of output.} \gdef\thissection{#1}% \fi\fi\fi % - % Write the toc entry (before \donoderef). See comments in \chfplain. + % Write the toc entry (before \donoderef). See comments in \chapmacro. \writetocentry{\toctype\sectionlevel}{#1}{#4}% % % Write the node reference (= pdf destination for pdftex). - % Again, see comments in \chfplain. + % Again, see comments in \chapmacro. \donoderef{#3}% % + % Interline glue will be inserted when the vbox is completed. + % That glue will be a valid breakpoint for the page, since it'll be + % preceded by a whatsit (usually from the \donoderef, or from the + % \writetocentry if there was no node). We don't want to allow that + % break, since then the whatsits could end up on page n while the + % section is on page n+1, thus toc/etc. are wrong. Debian bug 276000. + \nobreak + % % Output the actual section heading. \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright \hangindent=\wd0 % zero if no section number @@ -4584,11 +4836,11 @@ where each line of input produces a line of output.} \fi % \iflinks - {\atdummies \turnoffactive + {\atdummies \edef\temp{% \write\tocfile{@#1entry{#2}{#3}{\lastnode}{\noexpand\folio}}}% \temp - } + }% \fi \fi % @@ -4840,7 +5092,7 @@ where each line of input produces a line of output.} {\tentt \global\dimen0 = 3em}% Width of the box. \dimen2 = .55pt % Thickness of rules % The text. (`r' is open on the right, `e' somewhat less so on the left.) -\setbox0 = \hbox{\kern-.75pt \tensf error\kern-1.5pt} +\setbox0 = \hbox{\kern-.75pt \reducedsf error\kern-1.5pt} % \setbox\errorbox=\hbox to \dimen0{\hfil \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right. @@ -4934,7 +5186,8 @@ where each line of input produces a line of output.} \let\afterenvbreak = \aboveenvbreak -% \nonarrowing is a flag. If "set", @lisp etc don't narrow margins. +% \nonarrowing is a flag. If "set", @lisp etc don't narrow margins; it will +% also clear it, so that its embedded environments do the narrowing again. \let\nonarrowing=\relax % @cartouche ... @end cartouche: draw rectangle w/rounded corners around @@ -4971,7 +5224,7 @@ where each line of input produces a line of output.} % each corner char, and rule thickness \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip % Flag to tell @lisp, etc., not to narrow margin. - \let\nonarrowing=\comment + \let\nonarrowing = t% \vbox\bgroup \baselineskip=0pt\parskip=0pt\lineskip=0pt \carttop @@ -5011,11 +5264,11 @@ where each line of input produces a line of output.} \parskip = 0pt \parindent = 0pt \emergencystretch = 0pt % don't try to avoid overfull boxes - % @cartouche defines \nonarrowing to inhibit narrowing - % at next level down. \ifx\nonarrowing\relax \advance \leftskip by \lispnarrowing \exdentamount=\lispnarrowing + \else + \let\nonarrowing = \relax \fi \let\exdent=\nofillexdent } @@ -5062,11 +5315,10 @@ where each line of input produces a line of output.} % \maketwodispenvs {lisp}{example}{% \nonfillstart - \tt + \tt\quoteexpand \let\kbdfont = \kbdexamplefont % Allow @kbd to do something special. \gobble % eat return } - % @display/@smalldisplay: same as @lisp except keep current font. % \makedispenv {display}{% @@ -5115,6 +5367,7 @@ where each line of input produces a line of output.} \advance\leftskip by \lispnarrowing \advance\rightskip by \lispnarrowing \exdentamount = \lispnarrowing + \else \let\nonarrowing = \relax \fi \parsearg\quotationlabel @@ -5193,6 +5446,34 @@ where each line of input produces a line of output.} \newdimen\tabw \setbox0=\hbox{\tt\space} \tabw=8\wd0 % tab amount % \def\starttabbox{\setbox0=\hbox\bgroup} + +% Allow an option to not replace quotes with a regular directed right +% quote/apostrophe (char 0x27), but instead use the undirected quote +% from cmtt (char 0x0d). The undirected quote is ugly, so don't make it +% the default, but it works for pasting with more pdf viewers (at least +% evince), the lilypond developers report. xpdf does work with the +% regular 0x27. +% +\def\codequoteright{% + \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax + '% + \else + \char'15 + \fi +} +% +% and a similar option for the left quote char vs. a grave accent. +% Modern fonts display ASCII 0x60 as a grave accent, so some people like +% the code environments to do likewise. +% +\def\codequoteleft{% + \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax + `% + \else + \char'22 + \fi +} +% \begingroup \catcode`\^^I=\active \gdef\tabexpand{% @@ -5205,15 +5486,25 @@ where each line of input produces a line of output.} \wd0=\dimen0 \box0 \starttabbox }% } + \catcode`\'=\active + \gdef\rquoteexpand{\catcode\rquoteChar=\active \def'{\codequoteright}}% + % + \catcode`\`=\active + \gdef\lquoteexpand{\catcode\lquoteChar=\active \def`{\codequoteleft}}% + % + \gdef\quoteexpand{\rquoteexpand \lquoteexpand}% \endgroup + +% start the verbatim environment. \def\setupverbatim{% + \let\nonarrowing = t% \nonfillstart - \advance\leftskip by -\defbodyindent % Easiest (and conventionally used) font for verbatim \tt \def\par{\leavevmode\egroup\box0\endgraf}% \catcode`\`=\active \tabexpand + \quoteexpand % Respect line breaks, % print special symbols as themselves, and % make each space count @@ -5663,7 +5954,6 @@ where each line of input produces a line of output.} \spaceisspace % % Append \endinput to make sure that TeX does not see the ending newline. - % % I've verified that it is necessary both for e-TeX and for ordinary TeX % --kasal, 29nov03 \scantokens{#1\endinput}% @@ -5678,8 +5968,19 @@ where each line of input produces a line of output.} \newcount\paramno % Count of parameters \newtoks\macname % Macro name \newif\ifrecursive % Is it recursive? -\def\macrolist{} % List of all defined macros in the form - % \do\macro1\do\macro2... + +% List of all defined macros in the form +% \definedummyword\macro1\definedummyword\macro2... +% Currently is also contains all @aliases; the list can be split +% if there is a need. +\def\macrolist{} + +% Add the macro to \macrolist +\def\addtomacrolist#1{\expandafter \addtomacrolistxxx \csname#1\endcsname} +\def\addtomacrolistxxx#1{% + \toks0 = \expandafter{\macrolist\definedummyword#1}% + \xdef\macrolist{\the\toks0}% +} % Utility routines. % This does \let #1 = #2, with \csnames; that is, @@ -5777,10 +6078,7 @@ where each line of input produces a line of output.} \else \errmessage{Macro name \the\macname\space already defined}\fi \global\cslet{macsave.\the\macname}{\the\macname}% \global\expandafter\let\csname ismacro.\the\macname\endcsname=1% - % Add the macroname to \macrolist - \toks0 = \expandafter{\macrolist\do}% - \xdef\macrolist{\the\toks0 - \expandafter\noexpand\csname\the\macname\endcsname}% + \addtomacrolist{\the\macname}% \fi \begingroup \macrobodyctxt \ifrecursive \expandafter\parsermacbody @@ -5794,7 +6092,7 @@ where each line of input produces a line of output.} % Remove the macro name from \macrolist: \begingroup \expandafter\let\csname#1\endcsname \relax - \let\do\unmacrodo + \let\definedummyword\unmacrodo \xdef\macrolist{\macrolist}% \endgroup \else @@ -5806,10 +6104,10 @@ where each line of input produces a line of output.} % macro definitions that have been changed to \relax. % \def\unmacrodo#1{% - \ifx#1\relax + \ifx #1\relax % remove this \else - \noexpand\do \noexpand #1% + \noexpand\definedummyword \noexpand#1% \fi } @@ -5922,30 +6220,11 @@ where each line of input produces a line of output.} % {. If so it reads up to the closing }, if not, it reads the whole % line. Whatever was read is then fed to the next control sequence % as an argument (by \parsebrace or \parsearg) -\def\braceorline#1{\let\next=#1\futurelet\nchar\braceorlinexxx} +\def\braceorline#1{\let\macnamexxx=#1\futurelet\nchar\braceorlinexxx} \def\braceorlinexxx{% \ifx\nchar\bgroup\else \expandafter\parsearg - \fi \next} - -% We want to disable all macros during \shipout so that they are not -% expanded by \write. -\def\turnoffmacros{\begingroup \def\do##1{\let\noexpand##1=\relax}% - \edef\next{\macrolist}\expandafter\endgroup\next} - -% For \indexnofonts, we need to get rid of all macros, leaving only the -% arguments (if present). Of course this is not nearly correct, but it -% is the best we can do for now. makeinfo does not expand macros in the -% argument to @deffn, which ends up writing an index entry, and texindex -% isn't prepared for an index sort entry that starts with \. -% -% Since macro invocations are followed by braces, we can just redefine them -% to take a single TeX argument. The case of a macro invocation that -% goes to end-of-line is not handled. -% -\def\emptyusermacros{\begingroup - \def\do##1{\let\noexpand##1=\noexpand\asis}% - \edef\next{\macrolist}\expandafter\endgroup\next} + \fi \macnamexxx} % @alias. @@ -5956,6 +6235,7 @@ where each line of input produces a line of output.} \def\aliasyyy #1=#2\relax{% {% \expandafter\let\obeyedspace=\empty + \addtomacrolist{#1}% \xdef\next{\global\let\makecsname{#1}=\makecsname{#2}}% }% \next @@ -6025,7 +6305,6 @@ where each line of input produces a line of output.} \iflinks {% \atdummies % preserve commands, but don't expand them - \turnoffactive \edef\writexrdef##1##2{% \write\auxfile{@xrdef{#1-% #1 of \setref, expanded by the \edef ##1}{##2}}% these are parameters of \writexrdef @@ -6110,7 +6389,7 @@ where each line of input produces a line of output.} % If the user specified the print name (third arg) to the ref, % print it instead of our usual "Figure 1.2". \ifdim\wd0 = 0pt - \refx{#1-snt}% + \refx{#1-snt}{}% \else \printedrefname \fi @@ -6540,7 +6819,7 @@ where each line of input produces a line of output.} % above and below. \nobreak\vskip\parskip \nobreak - \line\bgroup\hss + \line\bgroup \fi % % Output the image. @@ -6553,7 +6832,7 @@ where each line of input produces a line of output.} \epsfbox{#1.eps}% \fi % - \ifimagevmode \hss \egroup \bigbreak \fi % space after the image + \ifimagevmode \egroup \bigbreak \fi % space after the image \endgroup} @@ -6693,7 +6972,8 @@ where each line of input produces a line of output.} % \floatlabel-lof. Besides \floatident, we include the short % caption if specified, else the full caption if specified, else nothing. {% - \atdummies \turnoffactive + \atdummies + % % since we read the caption text in the macro world, where ^^M % is turned into a normal character, we have to scan it back, so % we don't write the literal three characters "^^M" into the aux file. @@ -6714,8 +6994,9 @@ where each line of input produces a line of output.} % % place the captured inserts % - % BEWARE: when the floats start float, we have to issue warning whenever an - % insert appears inside a float which could possibly float. --kasal, 26may04 + % BEWARE: when the floats start floating, we have to issue warning + % whenever an insert appears inside a float which could possibly + % float. --kasal, 26may04 % \checkinserts } @@ -7142,6 +7423,13 @@ should work if nowhere else does.} % \otherifyactive is called near the end of this file. \def\otherifyactive{\catcode`+=\other \catcode`\_=\other} +% Used sometimes to turn off (effectively) the active characters even after +% parsing them. +\def\turnoffactive{% + \normalturnoffactive + \otherbackslash +} + \catcode`\@=0 % \backslashcurfont outputs one backslash character in current font, @@ -7149,28 +7437,29 @@ should work if nowhere else does.} \global\chardef\backslashcurfont=`\\ \global\let\rawbackslashxx=\backslashcurfont % let existing .??s files work -% \rawbackslash defines an active \ to do \backslashcurfont. -% \otherbackslash defines an active \ to be a literal `\' character with -% catcode other. -{\catcode`\\=\active - @gdef@rawbackslash{@let\=@backslashcurfont} - @gdef@otherbackslash{@let\=@realbackslash} -} - % \realbackslash is an actual character `\' with catcode other, and % \doublebackslash is two of them (for the pdf outlines). {\catcode`\\=\other @gdef@realbackslash{\} @gdef@doublebackslash{\\}} -% \normalbackslash outputs one backslash in fixed width font. -\def\normalbackslash{{\tt\backslashcurfont}} - +% In texinfo, backslash is an active character; it prints the backslash +% in fixed width font. \catcode`\\=\active +@def@normalbackslash{{@tt@backslashcurfont}} +% On startup, @fixbackslash assigns: +% @let \ = @normalbackslash + +% \rawbackslash defines an active \ to do \backslashcurfont. +% \otherbackslash defines an active \ to be a literal `\' character with +% catcode other. +@gdef@rawbackslash{@let\=@backslashcurfont} +@gdef@otherbackslash{@let\=@realbackslash} -% Used sometimes to turn off (effectively) the active characters -% even after parsing them. -@def@turnoffactive{% +% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of +% the literal character `\'. +% +@def@normalturnoffactive{% + @let\=@normalbackslash @let"=@normaldoublequote - @let\=@realbackslash @let~=@normaltilde @let^=@normalcaret @let_=@normalunderscore @@ -7182,12 +7471,6 @@ should work if nowhere else does.} @unsepspaces } -% 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. @otherifyactive @@ -7200,7 +7483,7 @@ should work if nowhere else does.} @global@let\ = @eatinput % On the other hand, perhaps the file did not have a `\input texinfo'. Then -% the first `\{ in the file would cause an error. This macro tries to fix +% the first `\' in the file would cause an error. This macro tries to fix % that, assuming it is called before the first `\' could plausibly occur. % Also turn back on active characters that might appear in the input % file name, in case not using a pre-dumped format. |