diff options
Diffstat (limited to 'manual/texinfo.tex')
| -rw-r--r-- | manual/texinfo.tex | 564 |
1 files changed, 362 insertions, 202 deletions
diff --git a/manual/texinfo.tex b/manual/texinfo.tex index b0a1cfc3e7..c85d329331 100644 --- a/manual/texinfo.tex +++ b/manual/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{2002-11-25.11} % -% 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 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 @@ -36,12 +36,11 @@ % (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. @@ -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 @@ -142,36 +145,48 @@ % \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 -}% -\else -\def\loggingall{\tracingcommands3 \tracingstats2 - \tracingpages1 \tracingoutput1 \tracinglostchars1 - \tracingmacros2 \tracingparagraphs1 \tracingrestores1 - \tracingscantokens1 \tracingassigns1 \tracingifs1 - \tracinggroups1 \tracingnesting2 - \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 }% -\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. @@ -436,17 +451,6 @@ } -% 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 @ @@ -841,11 +845,6 @@ 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 @@ -871,9 +870,27 @@ 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 +982,7 @@ 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 +1004,39 @@ 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 +1186,7 @@ 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 @@ -1231,6 +1247,7 @@ 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} @@ -1345,6 +1362,7 @@ 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 +1370,8 @@ 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 @@ -1592,7 +1610,8 @@ 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 +1892,18 @@ 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 @@ -2413,19 +2440,20 @@ width0pt\relax} \fi \let\item = \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. @@ -2507,7 +2535,7 @@ 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 + % the chance of memory overflow, we follow the approach outlined on % page 401 of the TeXbook: make the current font be a dummy font. % \setbox0 = \vbox\bgroup @@ -2559,7 +2587,7 @@ 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. @@ -3549,13 +3577,18 @@ width0pt\relax} \fi \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}% +\chapmacro {#1}{\appendixbox{\putwordAppendix{} \appendixletter}}% \gdef\thissection{#1}% \gdef\thischaptername{#1}% \xdef\thischapter{\putwordAppendix{} \appendixletter: \noexpand\thischaptername}% @@ -3597,7 +3630,7 @@ width0pt\relax} \fi \unnumbchapmacro {#1}% \gdef\thischapter{#1}\gdef\thissection{#1}% \toks0 = {#1}% -\edef\temp{\noexpand\writetocentry{\realbackslash unnumbchapentry{\the\toks0}}}% +\edef\temp{\noexpand\writetocentry{\realbackslash unnumbchapentry{\the\toks0}{\the\chapno}}}% \temp \unnumbnoderef \global\let\section = \unnumberedsec @@ -3639,7 +3672,7 @@ width0pt\relax} \fi \plainsecheading {#1}\gdef\thissection{#1}% \toks0 = {#1}% \edef\temp{\noexpand\writetocentry{\realbackslash unnumbsecentry% - {\the\toks0}{\the\chapno}}}% + {\the\toks0}{\the\chapno}{\the\secno}}}% \temp \unnumbnoderef \nobreak @@ -3678,7 +3711,7 @@ width0pt\relax} \fi \plainsubsecheading {#1}\gdef\thissection{#1}% \toks0 = {#1}% \edef\temp{\noexpand\writetocentry{\realbackslash unnumbsubsecentry% - {\the\toks0}{\the\chapno}{\the\secno}}}% + {\the\toks0}{\the\chapno}{\the\secno}{\the\subsecno}}}% \temp \unnumbnoderef \nobreak @@ -3719,7 +3752,7 @@ width0pt\relax} \fi \plainsubsubsecheading {#1}\gdef\thissection{#1}% \toks0 = {#1}% \edef\temp{\noexpand\writetocentry{\realbackslash unnumbsubsubsecentry% - {\the\toks0}{\the\chapno}{\the\secno}{\the\subsecno}}}% + {\the\toks0}{\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}}}% \temp \unnumbnoderef \nobreak @@ -3918,7 +3951,16 @@ 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.) + \nobreak + \ifdim\parskip>\normalbaselineskip + \kern\parskip + \else + \kern\normalbaselineskip + \fi + \nobreak } @@ -4007,16 +4049,17 @@ 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 @@ -4049,7 +4092,8 @@ 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 +4117,21 @@ 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 @@ -4250,15 +4294,18 @@ 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 @@ -4337,7 +4384,6 @@ 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 @@ -4452,7 +4498,6 @@ 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 +4520,14 @@ 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 +4614,7 @@ 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 +4624,14 @@ 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{% @@ -4620,38 +4674,79 @@ width0pt\relax} \fi } % @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. +% +% Seems pretty fragile, 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 % + }% + \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 = ) @@ -4702,32 +4797,47 @@ width0pt\relax} \fi \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... @@ -4741,7 +4851,7 @@ width0pt\relax} \fi % 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 + \ifnum\lastpenalty=10000 \penalty0 \fi \medbreak % % Define the \E... end token that this defining construct specifies @@ -4753,24 +4863,38 @@ 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}% + \def#2{\defxbodycommon \activeparens \spacesplit#3}% \catcode61=\active % 61 is `=' \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 +4904,7 @@ 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 +4918,8 @@ 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 +4928,7 @@ 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}}% } @@ -4816,7 +4939,7 @@ width0pt\relax} \fi % \def\defvarparsebody #1#2#3{% \parsebodycommon{#1}{#2}{#3}% - \def#2{\begingroup\obeylines\spacesplit#3}% + \def#2{\defxbodycommon \spacesplit#3}% \catcode61=\active % \begingroup\obeylines \spacesplit#3% @@ -4826,14 +4949,14 @@ 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 +4972,7 @@ 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 } @@ -4867,18 +4990,22 @@ 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. @@ -6035,11 +6162,13 @@ 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 @@ -6058,6 +6187,11 @@ should work if nowhere else does.} \normaloffset = #4\relax \bindingoffset = #5\relax % + \ifpdf + \pdfpageheight #7\relax + \pdfpagewidth #8\relax + \fi + % \setleading{\textleading} % \parindent = \defaultparindent @@ -6079,7 +6213,10 @@ should work if nowhere else does.} \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. @@ -6087,13 +6224,15 @@ 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 }} @@ -6101,12 +6240,27 @@ should work if nowhere else does.} % 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 +6270,42 @@ 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 +6320,16 @@ 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. @@ -6285,16 +6453,8 @@ should work if nowhere else does.} @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 for \. +@def@normalturnoffactive{@turnoffactive @let\=@normalbackslash} % Make _ and + \other characters, temporarily. % This is canceled by @fixbackslash. |