% texinfo.tex -- TeX macros to handle Texinfo files.
-% $Id: texinfo.tex,v 2.216 1998/06/18 09:42:37 drepper Exp $
+% $Id: texinfo.tex,v 2.217 1998/06/30 13:22:33 drepper Exp $
%
% Copyright (C) 1985, 86, 88, 90, 91, 92, 93, 94, 95, 96, 97, 98
% Free Software Foundation, Inc.
% This automatically updates the version number based on RCS.
\def\deftexinfoversion$#1: #2 ${\def\texinfoversion{#2}}
-\deftexinfoversion$Revision: 2.216 $
+\deftexinfoversion$Revision: 2.217 $
\message{Loading texinfo package [Version \texinfoversion]:}
% If in a .fmt file, print the version number
\ifx\putwordAppendix\undefined \gdef\putwordAppendix{Appendix}\fi
\ifx\putwordChapter\undefined \gdef\putwordChapter{Chapter}\fi
\ifx\putwordfile\undefined \gdef\putwordfile{file}\fi
-\ifx\putwordInfo\undefined \gdef\putwordfile{Info}\fi
+\ifx\putwordInfo\undefined \gdef\putwordInfo{Info}\fi
\ifx\putwordMethodon\undefined \gdef\putwordMethodon{Method on}\fi
\ifx\putwordon\undefined \gdef\putwordon{on}\fi
\ifx\putwordpage\undefined \gdef\putwordpage{page}\fi
%% This method tries to make TeX break the page naturally
%% if the depth of the box does not fit.
%{\baselineskip=0pt%
-%\vtop to #1\mil{\vfil}\kern -#1\mil\penalty 10000
+%\vtop to #1\mil{\vfil}\kern -#1\mil\nobreak
%\prevdepth=-1000pt
%}}
% We do .5em per period so that it has the same spacing in a typewriter
% font as three actual period characters.
%
-\def\dots{\hbox to 1.5em{%
- \hskip 0pt plus 0.25fil minus 0.25fil
- .\hss.\hss.%
- \hskip 0pt plus 0.5fil minus 0.5fil
-}}
+\def\dots{%
+ \leavevmode
+ \hbox to 1.5em{%
+ \hskip 0pt plus 0.25fil minus 0.25fil
+ .\hss.\hss.%
+ \hskip 0pt plus 0.5fil minus 0.5fil
+ }%
+}
% @enddots{} is an end-of-sentence ellipsis.
%
\def\enddots{%
+ \leavevmode
\hbox to 2em{%
\hskip 0pt plus 0.25fil minus 0.25fil
.\hss.\hss.\hss.%
% @page forces the start of a new page
-
+%
\def\page{\par\vfill\supereject}
% @exdent text....
\def\bullet{\implicitmath\ptexbullet\implicitmath}
\def\minus{\implicitmath-\implicitmath}
-\def\node{\ENVcheck\parsearg\nodezzz}
-\def\nodezzz#1{\nodexxx [#1,]}
-\def\nodexxx[#1,#2]{\gdef\lastnode{#1}}
-\let\nwnode=\node
-\let\lastnode=\relax
-
-\def\donoderef{\ifx\lastnode\relax\else
-\expandafter\expandafter\expandafter\setref{\lastnode}\fi
-\global\let\lastnode=\relax}
-
-\def\unnumbnoderef{\ifx\lastnode\relax\else
-\expandafter\expandafter\expandafter\unnumbsetref{\lastnode}\fi
-\global\let\lastnode=\relax}
-
-\def\appendixnoderef{\ifx\lastnode\relax\else
-\expandafter\expandafter\expandafter\appendixsetref{\lastnode}\fi
-\global\let\lastnode=\relax}
-
% @refill is a no-op.
\let\refill=\relax
\def\setfilename{%
\iflinks
\readauxfile
- \opencontents
\fi % \openindices needs to do some work in any case.
\openindices
\fixbackslash % Turn off hack to swallow `\input texinfo'.
% Do not make many font distinctions in general in the index, since they
% aren't very useful.
\setfont\ninett\ttshape{9}{1000}
-\setfont\ninettsl\ttslshape{9}{1000}
+\setfont\ninettsl\ttslshape{10}{900}
\setfont\indrm\rmshape{9}{1000}
\setfont\indit\slshape{9}{1000}
\let\indsl=\indit
%\def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null}
\def\ctrl #1{{\tt \rawbackslash \hat}#1}
+% @file, @option are the same as @samp.
\let\file=\samp
+\let\option=\samp
% @code is a modification of @t,
% which makes spaces the same size as normal in the surrounding text.
\else{\tclose{\kbdfont\look}}\fi
\else{\tclose{\kbdfont\look}}\fi}
-% @url. Quotes do not seem necessary, so use \code.
+% For @url, @env, @command quotes seem unnecessary, so use \code.
\let\url=\code
+\let\env=\code
+\let\command=\code
% @uref (abbreviation for `urlref') takes an optional second argument
% specifying the text to display. First (mandatory) arg is the url.
\def\ifmonospace{\ifdim\fontdimen3\font=0pt }
% Typeset a dimension, e.g., `in' or `pt'. The only reason for the
-% argument is to make the input look right: @dmn{pt} instead of
-% @dmn{}pt.
+% argument is to make the input look right: @dmn{pt} instead of @dmn{}pt.
%
\def\dmn#1{\thinspace #1}
% Polish suppressed-l. --karl, 22sep96.
%\def\l#1{{\li #1}\null}
+% Explicit font changes: @r, @sc, undocumented @ii.
\def\r#1{{\rm #1}} % roman font
-% Use of \lowercase was suggested.
\def\sc#1{{\smallcaps#1}} % smallcaps font
\def\ii#1{{\it #1}} % italic font
+% @acronym downcases the argument and prints in smallcaps.
+\def\acronym#1{{\smallcaps \lowercase{#1}}}
+
% @pounds{} is a sterling sign.
\def\pounds{{\it\$}}
\newif\ifseenauthor
\newif\iffinishedtitlepage
+% Do an implicit @contents or @shortcontents after @end titlepage if the
+% user says @contentsaftertitlepage or @shortcontentsaftertitlepage.
+%
+\newif\ifsetcontentsaftertitlepage
+ \let\setcontentsaftertitlepage = \setcontentsaftertitlepagetrue
+\newif\ifsetshortcontentsaftertitlepage
+ \let\setshortcontentsaftertitlepage = \setshortcontentsaftertitlepagetrue
+
\def\shorttitlepage{\parsearg\shorttitlepagezzz}
\def\shorttitlepagezzz #1{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}%
\endgroup\page\hbox{}\page}
\def\titlepage{\begingroup \parindent=0pt \textfonts
\let\subtitlerm=\tenrm
-% I deinstalled the following change because \cmr12 is undefined.
-% This change was not in the ChangeLog anyway. --rms.
-% \let\subtitlerm=\cmr12
\def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}%
%
\def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines}%
% after the title page, which we certainly don't want.
\oldpage
\endgroup
+ %
+ % If they want short, they certainly want long too.
+ \ifsetshortcontentsaftertitlepage
+ \shortcontents
+ \contents
+ \global\let\shortcontents = \relax
+ \global\let\contents = \relax
+ \fi
+ %
+ \ifsetcontentsaftertitlepage
+ \contents
+ \global\let\contents = \relax
+ \global\let\shortcontents = \relax
+ \fi
+ %
\HEADINGSon
}
\let\thispage=\folio
-\newtoks \evenheadline % Token sequence for heading line of even pages
-\newtoks \oddheadline % Token sequence for heading line of odd pages
-\newtoks \evenfootline % Token sequence for footing line of even pages
-\newtoks \oddfootline % Token sequence for footing line of odd pages
+\newtoks\evenheadline % headline on even pages
+\newtoks\oddheadline % headline on odd pages
+\newtoks\evenfootline % footline on even pages
+\newtoks\oddfootline % footline on odd pages
% Now make Tex use those variables
\headline={{\textfonts\rm \ifodd\pageno \the\oddheadline
% These macros are used by the sorted index file itself.
% Change them to control the appearance of the index.
-% Same as \bigskipamount except no shrink.
-% \balancecolumns gets confused if there is any shrink.
-\newskip\initialskipamount \initialskipamount 12pt plus4pt
-
-\def\initial #1{%
-{\let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt
-\ifdim\lastskip<\initialskipamount
-\removelastskip \penalty-200 \vskip \initialskipamount\fi
-\line{\secbf#1\hfill}\kern 2pt\penalty10000}}
+\def\initial#1{{%
+ % Some minor font changes for the special characters.
+ \let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt
+ %
+ % Remove any glue we may have, we'll be inserting our own.
+ \removelastskip
+ %
+ % We like breaks before the index initials, so insert a bonus.
+ \penalty -300
+ %
+ % Typeset the initial. Making this add up to a whole number of
+ % baselineskips increases the chance of the dots lining up from column
+ % to column. It still won't often be perfect, because of the stretch
+ % we need before each entry, but it's better.
+ %
+ % No shrink because it confuses \balancecolumns.
+ \vskip 1.67\baselineskip plus .5\baselineskip
+ \leftline{\secbf #1}%
+ \vskip .33\baselineskip plus .1\baselineskip
+ %
+ % Do our best not to break after the initial.
+ \nobreak
+}}
% This typesets a paragraph consisting of #1, dot leaders, and then #2
% flush to the right margin. It is used for index and table of contents
% entries. The paragraph is indented by \leftskip.
%
-\def\entry #1#2{\begingroup
+\def\entry#1#2{\begingroup
%
% Start a new paragraph if necessary, so our assignments below can't
% affect previous text.
%
% \hangafter is reset to 1 (which is the value we want) at the start
% of each paragraph, so we need not do anything with that.
- \hangindent=2em
+ \hangindent = 2em
%
% When the entry text needs to be broken, just fill out the first line
% with blank space.
\rightskip = 0pt plus1fil
%
+ % A bit of stretch before each entry for the benefit of balancing columns.
+ \vskip 0pt plus1pt
+ %
% Start a ``paragraph'' for the index entry so the line breaking
% parameters we've set above will have an effect.
\noindent
%
% Double the \vsize as well. (We don't need a separate register here,
% since nobody clobbers \vsize.)
+ \advance\vsize by -\ht\partialpage
\vsize = 2\vsize
}
+
+% The double-column output routine for all double-column pages except
+% the last.
+%
\def\doublecolumnout{%
\splittopskip=\topskip \splitmaxdepth=\maxdepth
% Get the available space for the double columns -- the normal
% (undoubled) page height minus any material left over from the
% previous page.
- \dimen@=\pageheight \advance\dimen@ by-\ht\partialpage
+ \dimen@ = \vsize
+ \divide\dimen@ by 2
+ %
% box0 will be the left-hand column, box2 the right.
\setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@
\onepageout\pagesofar
}
\def\pagesofar{%
% Re-output the contents of the output page -- any previous material,
- % followed by the two boxes we just split.
+ % followed by the two boxes we just split, in box0 and box2.
+ \advance\vsize by \ht\partialpage
\unvbox\partialpage
+ %
\hsize = \doublecolumnhsize
- \wd0=\hsize \wd2=\hsize \hbox to\pagewidth{\box0\hfil\box2}%
+ \wd0=\hsize \wd2=\hsize
+ \hbox to\pagewidth{\box0\hfil\box2}%
}
\def\enddoublecolumns{%
- \output = {\balancecolumns}\eject % split what we have
+ \output = {%
+ % Split the last of the double-column material. Leave on the
+ % current page, no automatic page break.
+ \balancecolumns
+ %
+ % If we end up splitting too much material for the current page,
+ % though, there will be another page break right after this \output
+ % invocation ends. Having called \balancecolumns once, we do not
+ % want to call it again. Therefore, reset \output to its normal
+ % definition right away. (We hope \balancecolumns will never be
+ % called on to balance too much material, but if it is, this makes
+ % the output somewhat more palatable.)
+ \global\output = {\onepageout{\pagecontents\PAGE}}%
+ %
+ % \pagegoal was set to the doubled \vsize above, since we restarted
+ % the current page. We're now back to normal single-column
+ % typesetting, so reset \pagegoal to the normal \vsize.
+ \pagegoal = \vsize
+ }%
+ \eject
\endgroup % started in \begindoublecolumns
- %
- % Back to normal single-column typesetting, but take account of the
- % fact that we just accumulated some stuff on the output page.
- \pagegoal = \vsize
}
\def\balancecolumns{%
% Called at the end of the double column material.
- \setbox0 = \vbox{\unvbox255}%
+ \setbox0 = \vbox{\unvbox255}% like \box255 but more efficient, see p.120.
\dimen@ = \ht0
\advance\dimen@ by \topskip
\advance\dimen@ by-\baselineskip
- \divide\dimen@ by 2
+ \divide\dimen@ by 2 % target to split to
+ %debug\message{final 2-column material height=\the\ht0, target=\the\dimen@.}%
\splittopskip = \topskip
% Loop until we get a decent breakpoint.
- {\vbadness=10000 \loop
- \global\setbox3=\copy0
- \global\setbox1=\vsplit3 to\dimen@
- \ifdim\ht3>\dimen@ \global\advance\dimen@ by1pt
- \repeat}%
+ {%
+ \vbadness = 10000
+ \loop
+ \global\setbox3 = \copy0
+ \global\setbox1 = \vsplit3 to \dimen@
+ \ifdim\ht3>\dimen@
+ \global\advance\dimen@ by 1pt
+ \repeat
+ }%
+ %debug\message{split to \the\dimen@, column heights: \the\ht1, \the\ht3.}%
\setbox0=\vbox to\dimen@{\unvbox1}%
\setbox2=\vbox to\dimen@{\unvbox3}%
+ %
\pagesofar
}
\catcode`\@ = \other
\newcount\appendixno \appendixno = `\@
\def\appendixletter{\char\the\appendixno}
-\newwrite\contentsfile
-% This is called from \setfilename.
-\def\opencontents{\openout\contentsfile = \jobname.toc }
-
% Each @chapter defines this as the name of the chapter.
-% page headings and footings can use it. @section does likewise
-
-\def\thischapter{} \def\thissection{}
-\def\seccheck#1{\ifnum \pageno<0
- \errmessage{@#1 not allowed after generating table of contents}%
-\fi}
-
-\def\chapternofonts{%
- \let\rawbackslash=\relax
- \let\frenchspacing=\relax
- \def\result{\realbackslash result}%
- \def\equiv{\realbackslash equiv}%
- \def\expansion{\realbackslash expansion}%
- \def\print{\realbackslash print}%
- \def\TeX{\realbackslash TeX}%
- \def\dots{\realbackslash dots}%
- \def\result{\realbackslash result}%
- \def\equiv{\realbackslash equiv}%
- \def\expansion{\realbackslash expansion}%
- \def\print{\realbackslash print}%
- \def\error{\realbackslash error}%
- \def\point{\realbackslash point}%
- \def\copyright{\realbackslash copyright}%
- \def\tt{\realbackslash tt}%
- \def\bf{\realbackslash bf}%
- \def\w{\realbackslash w}%
- \def\less{\realbackslash less}%
- \def\gtr{\realbackslash gtr}%
- \def\hat{\realbackslash hat}%
- \def\char{\realbackslash char}%
- \def\tclose##1{\realbackslash tclose{##1}}%
- \def\code##1{\realbackslash code{##1}}%
- \def\samp##1{\realbackslash samp{##1}}%
- \def\r##1{\realbackslash r{##1}}%
- \def\b##1{\realbackslash b{##1}}%
- \def\key##1{\realbackslash key{##1}}%
- \def\file##1{\realbackslash file{##1}}%
- \def\kbd##1{\realbackslash kbd{##1}}%
- % These are redefined because @smartitalic wouldn't work inside xdef.
- \def\i##1{\realbackslash i{##1}}%
- \def\cite##1{\realbackslash cite{##1}}%
- \def\var##1{\realbackslash var{##1}}%
- \def\emph##1{\realbackslash emph{##1}}%
- \def\dfn##1{\realbackslash dfn{##1}}%
-}
+% page headings and footings can use it. @section does likewise.
+\def\thischapter{}
+\def\thissection{}
\newcount\absseclevel % used to calculate proper heading level
\newcount\secbase\secbase=0 % @raise/lowersections modify this count
\fi
}
-
+% @chapter, @appendix, @unnumbered.
\def\thischaptername{No Chapter Title}
\outer\def\chapter{\parsearg\chapteryyy}
\def\chapteryyy #1{\numhead0{#1}} % normally numhead0 calls chapterzzz
-\def\chapterzzz #1{\seccheck{chapter}%
+\def\chapterzzz #1{%
\secno=0 \subsecno=0 \subsubsecno=0
\global\advance \chapno by 1 \message{\putwordChapter \the\chapno}%
\chapmacro {#1}{\the\chapno}%
% 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}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash chapentry{\the\toks0}{\the\chapno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\donoderef %
+\edef\temp{\noexpand\writetocentry{\realbackslash chapentry{\the\toks0}%
+ {\the\chapno}}}%
+\temp
+\donoderef
\global\let\section = \numberedsec
\global\let\subsection = \numberedsubsec
\global\let\subsubsection = \numberedsubsubsec
-}}
+}
\outer\def\appendix{\parsearg\appendixyyy}
\def\appendixyyy #1{\apphead0{#1}} % normally apphead0 calls appendixzzz
-\def\appendixzzz #1{\seccheck{appendix}%
+\def\appendixzzz #1{%
\secno=0 \subsecno=0 \subsubsecno=0
\global\advance \appendixno by 1 \message{Appendix \appendixletter}%
\chapmacro {#1}{\putwordAppendix{} \appendixletter}%
\gdef\thissection{#1}%
\gdef\thischaptername{#1}%
\xdef\thischapter{\putwordAppendix{} \appendixletter: \noexpand\thischaptername}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash chapentry{\the\toks0}%
- {\putwordAppendix{} \appendixletter}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\appendixnoderef %
+\edef\temp{\noexpand\writetocentry{\realbackslash chapentry{\the\toks0}%
+ {\putwordAppendix{} \appendixletter}}}%
+\temp
+\appendixnoderef
\global\let\section = \appendixsec
\global\let\subsection = \appendixsubsec
\global\let\subsubsection = \appendixsubsubsec
-}}
+}
% @centerchap is like @unnumbered, but the heading is centered.
\outer\def\centerchap{\parsearg\centerchapyyy}
\def\centerchapyyy #1{{\let\unnumbchapmacro=\centerchapmacro \unnumberedyyy{#1}}}
+% @top is like @unnumbered.
\outer\def\top{\parsearg\unnumberedyyy}
+
\outer\def\unnumbered{\parsearg\unnumberedyyy}
\def\unnumberedyyy #1{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz
-\def\unnumberedzzz #1{\seccheck{unnumbered}%
+\def\unnumberedzzz #1{%
\secno=0 \subsecno=0 \subsubsecno=0
%
% This used to be simply \message{#1}, but TeX fully expands the
% 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<toks register> to achieve this: TeX expands \the<toks> only once,
-% simply yielding the contents of the <toks register>.
+% simply yielding the contents of <toks register>. (We also do this for
+% the toc entries.)
\toks0 = {#1}\message{(\the\toks0)}%
%
\unnumbchapmacro {#1}%
\gdef\thischapter{#1}\gdef\thissection{#1}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash unnumbchapentry{\the\toks0}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\unnumbnoderef %
+\edef\temp{\noexpand\writetocentry{\realbackslash unnumbchapentry{\the\toks0}}}%
+\temp
+\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{\seccheck{section}%
+\def\seczzz #1{%
\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
\gdef\thissection{#1}\secheading {#1}{\the\chapno}{\the\secno}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash secentry %
-{\the\toks0}{\the\chapno}{\the\secno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\donoderef %
-\penalty 10000 %
-}}
+\edef\temp{\noexpand\writetocentry{\realbackslash secentry{\the\toks0}%
+ {\the\chapno}{\the\secno}}}%
+\temp
+\donoderef
+\nobreak
+}
\outer\def\appendixsection{\parsearg\appendixsecyyy}
\outer\def\appendixsec{\parsearg\appendixsecyyy}
\def\appendixsecyyy #1{\apphead1{#1}} % normally calls appendixsectionzzz
-\def\appendixsectionzzz #1{\seccheck{appendixsection}%
+\def\appendixsectionzzz #1{%
\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
\gdef\thissection{#1}\secheading {#1}{\appendixletter}{\the\secno}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash secentry %
-{\the\toks0}{\appendixletter}{\the\secno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\appendixnoderef %
-\penalty 10000 %
-}}
+\edef\temp{\noexpand\writetocentry{\realbackslash secentry{\the\toks0}%
+ {\appendixletter}{\the\secno}}}%
+\temp
+\appendixnoderef
+\nobreak
+}
\outer\def\unnumberedsec{\parsearg\unnumberedsecyyy}
\def\unnumberedsecyyy #1{\unnmhead1{#1}} % normally calls unnumberedseczzz
-\def\unnumberedseczzz #1{\seccheck{unnumberedsec}%
+\def\unnumberedseczzz #1{%
\plainsecheading {#1}\gdef\thissection{#1}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash unnumbsecentry{\the\toks0}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\unnumbnoderef %
-\penalty 10000 %
-}}
+\edef\temp{\noexpand\writetocentry{\realbackslash unnumbsecentry{\the\toks0}}}%
+\temp
+\unnumbnoderef
+\nobreak
+}
+% Subsections.
\outer\def\numberedsubsec{\parsearg\numberedsubsecyyy}
\def\numberedsubsecyyy #1{\numhead2{#1}} % normally calls numberedsubseczzz
-\def\numberedsubseczzz #1{\seccheck{subsection}%
+\def\numberedsubseczzz #1{%
\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
\subsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash subsecentry %
-{\the\toks0}{\the\chapno}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\donoderef %
-\penalty 10000 %
-}}
+\edef\temp{\noexpand\writetocentry{\realbackslash subsecentry{\the\toks0}%
+ {\the\chapno}{\the\secno}{\the\subsecno}}}%
+\temp
+\donoderef
+\nobreak
+}
\outer\def\appendixsubsec{\parsearg\appendixsubsecyyy}
\def\appendixsubsecyyy #1{\apphead2{#1}} % normally calls appendixsubseczzz
-\def\appendixsubseczzz #1{\seccheck{appendixsubsec}%
+\def\appendixsubseczzz #1{%
\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
\subsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash subsecentry %
-{\the\toks0}{\appendixletter}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\appendixnoderef %
-\penalty 10000 %
-}}
+\edef\temp{\noexpand\writetocentry{\realbackslash subsecentry{\the\toks0}%
+ {\appendixletter}{\the\secno}{\the\subsecno}}}%
+\temp
+\appendixnoderef
+\nobreak
+}
\outer\def\unnumberedsubsec{\parsearg\unnumberedsubsecyyy}
\def\unnumberedsubsecyyy #1{\unnmhead2{#1}} %normally calls unnumberedsubseczzz
-\def\unnumberedsubseczzz #1{\seccheck{unnumberedsubsec}%
+\def\unnumberedsubseczzz #1{%
\plainsubsecheading {#1}\gdef\thissection{#1}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash unnumbsubsecentry{\the\toks0}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\unnumbnoderef %
-\penalty 10000 %
-}}
+\edef\temp{\noexpand\writetocentry{\realbackslash unnumbsubsecentry%
+ {\the\toks0}}}%
+\temp
+\unnumbnoderef
+\nobreak
+}
+% Subsubsections.
\outer\def\numberedsubsubsec{\parsearg\numberedsubsubsecyyy}
\def\numberedsubsubsecyyy #1{\numhead3{#1}} % normally numberedsubsubseczzz
-\def\numberedsubsubseczzz #1{\seccheck{subsubsection}%
+\def\numberedsubsubseczzz #1{%
\gdef\thissection{#1}\global\advance \subsubsecno by 1 %
\subsubsecheading {#1}
{\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash subsubsecentry{\the\toks0}
- {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}
- {\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\donoderef %
-\penalty 10000 %
-}}
+\edef\temp{\noexpand\writetocentry{\realbackslash subsubsecentry{\the\toks0}%
+ {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}}}%
+\temp
+\donoderef
+\nobreak
+}
\outer\def\appendixsubsubsec{\parsearg\appendixsubsubsecyyy}
\def\appendixsubsubsecyyy #1{\apphead3{#1}} % normally appendixsubsubseczzz
-\def\appendixsubsubseczzz #1{\seccheck{appendixsubsubsec}%
+\def\appendixsubsubseczzz #1{%
\gdef\thissection{#1}\global\advance \subsubsecno by 1 %
\subsubsecheading {#1}
{\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash subsubsecentry{\the\toks0}%
- {\appendixletter}
- {\the\secno}{\the\subsecno}{\the\subsubsecno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\appendixnoderef %
-\penalty 10000 %
-}}
+\edef\temp{\noexpand\writetocentry{\realbackslash subsubsecentry{\the\toks0}%
+ {\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}}}%
+\temp
+\appendixnoderef
+\nobreak
+}
\outer\def\unnumberedsubsubsec{\parsearg\unnumberedsubsubsecyyy}
\def\unnumberedsubsubsecyyy #1{\unnmhead3{#1}} %normally unnumberedsubsubseczzz
-\def\unnumberedsubsubseczzz #1{\seccheck{unnumberedsubsubsec}%
+\def\unnumberedsubsubseczzz #1{%
\plainsubsubsecheading {#1}\gdef\thissection{#1}%
-{\chapternofonts%
\toks0 = {#1}%
-\edef\temp{{\realbackslash unnumbsubsubsecentry{\the\toks0}{\noexpand\folio}}}%
-\escapechar=`\\%
-\iflinks \write\contentsfile\temp \fi
-\unnumbnoderef %
-\penalty 10000 %
-}}
+\edef\temp{\noexpand\writetocentry{\realbackslash unnumbsubsubsecentry%
+ {\the\toks0}}}%
+\temp
+\unnumbnoderef
+\nobreak
+}
% These are variants which are not "outer", so they can appear in @ifinfo.
% Actually, they should now be obsolete; ordinary section commands should work.
% Define @majorheading, @heading and @subheading
-% NOTE on use of \vbox for chapter headings, section headings, and
-% such:
+% NOTE on use of \vbox for chapter headings, section headings, and such:
% 1) We use \vbox rather than the earlier \line to permit
% overlong headings to fold.
% 2) \hyphenpenalty is set to 10000 because hyphenation in a
\def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname}
-\def\CHAPPAGoff{
+\def\CHAPPAGoff{%
\global\let\contentsalignmacro = \chappager
\global\let\pchapsepmacro=\chapbreak
\global\let\pagealignmacro=\chappager}
-\def\CHAPPAGon{
+\def\CHAPPAGon{%
\global\let\contentsalignmacro = \chappager
\global\let\pchapsepmacro=\chappager
\global\let\pagealignmacro=\chappager
\def\unnchfopen #1{%
\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
\parindent=0pt\raggedright
- \rm #1\hfill}}\bigskip \par\penalty 10000 %
+ \rm #1\hfill}}\bigskip \par\nobreak
}
\def\chfopen #1#2{\chapoddpage {\chapfonts
\def\centerchfopen #1{%
\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
\parindent=0pt
- \hfill {\rm #1}\hfill}}\bigskip \par\penalty 10000 %
+ \hfill {\rm #1}\hfill}}\bigskip \par\nobreak
}
\def\CHAPFopen{
}
-\message{toc printing,}
+\message{toc,}
+\newwrite\tocfile
+
+% Write an entry to the toc file, opening it if necessary.
+% 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
+% given time so that @contents can be put in the document anywhere.
+%
+\newif\iftocfileopened
+\def\writetocentry#1{%
+ \iftocfileopened\else
+ \immediate\openout\tocfile = \jobname.toc
+ \global\tocfileopenedtrue
+ \fi
+ \iflinks \write\tocfile{#1{\folio}}\fi
+}
+
% Finish up the main text and prepare to read what we've written
-% to \contentsfile.
+% to \tocfile.
\newskip\contentsrightmargin \contentsrightmargin=1in
\def\startcontents#1{%
% \contentsalignmacro in parallel with \pagealignmacro.
% From: Torbjorn Granlund <tege@matematik.su.se>
\contentsalignmacro
- \immediate\closeout \contentsfile
+ \immediate\closeout\tocfile
\ifnum \pageno>0
\pageno = -1 % Request roman numbered pages.
\fi
% Normal (long) toc.
-\outer\def\contents{%
+\def\contents{%
\startcontents{\putwordTableofContents}%
\input \jobname.toc
\endgroup
}
% And just the chapters.
-\outer\def\summarycontents{%
+\def\summarycontents{%
\startcontents{\putwordShortContents}%
%
\let\chapentry = \shortchapentry
\ifnum\parencount=0 \else \errmessage{Unbalanced parentheses in @def}\fi%
\interlinepenalty=10000
\advance\rightskip by 0pt plus 1fil
-\endgraf\penalty 10000\vskip -\parskip\penalty 10000%
+\endgraf\nobreak\vskip -\parskip\nobreak
}
\def\deftypefunargs #1{%
\tclose{#1}% avoid \code because of side effects on active chars
\interlinepenalty=10000
\advance\rightskip by 0pt plus 1fil
-\endgraf\penalty 10000\vskip -\parskip\penalty 10000%
+\endgraf\nobreak\vskip -\parskip\nobreak
}
% Do complete processing of one @defun or @defunx line already parsed.
% This must expand the args and terminate the paragraph they make up
\def\defvarargs #1{\normalparens #1%
\interlinepenalty=10000
-\endgraf\penalty 10000\vskip -\parskip\penalty 10000}
+\endgraf\nobreak\vskip -\parskip\nobreak}
% @defvr Counter foo-count
\dovarind#2 \relax% Make entry in variables index
\begingroup\defname {\defheaderxcond#1\relax$$$#2}{Variable}%
\interlinepenalty=10000
-\endgraf\penalty 10000\vskip -\parskip\penalty 10000
+\endgraf\nobreak\vskip -\parskip\nobreak
\endgroup}
\def\dovarind#1 #2\relax{\doind{vr}{\code{#1}}}
\def\deftypevrheader #1#2#3{\dovarind#3 \relax%
\begingroup\defname {\defheaderxcond#2\relax$$$#3}{#1}
\interlinepenalty=10000
-\endgraf\penalty 10000\vskip -\parskip\penalty 10000
+\endgraf\nobreak\vskip -\parskip\nobreak
\endgroup}
% This definition is run if you use @defvarx
\ifx\eTeXversion\undefined
\newwrite\macscribble
\def\scantokens#1{%
-% \toks0={#1}%
\immediate\openout\macscribble=\jobname.tmp
- \immediate\write\macscribble{#1}%\the\toks0}%
+ \immediate\write\macscribble{#1}%
\immediate\closeout\macscribble
\input \jobname.tmp
}
% all characters are catcode 10, 11 or 12, except \ which is active
% (as in normal texinfo). It is necessary to change the definition of \.
+% It's necessary to get hard CRs in the scribble file when using Knuth
+% TeX, and it can't hurt with e-TeX. Texinfo sets \newlinechar=`^^J,
+% so we redefine the \endlinechar to ^^J when reading the macro body.
+
\def\macrobodyctxt{%
\catcode`\~=12
\catcode`\^=12
\catcode`\{=12
\catcode`\}=12
\catcode`\@=12
- \catcode`\^^M=10
+ \endlinechar`^^J%
\usembodybackslash}
% \mbodybackslash is the definition of \ in @macro bodies.
% We define \csname macarg.\endcsname to be \realbackslash, so
% \\ in macro replacement text gets you a backslash.
-{\catcode`@=0 \catcode`\\=\active
+{\catcode`@=0 @catcode`@\=@active
@gdef@usembodybackslash{@let\=@mbodybackslash}
@gdef@mbodybackslash#1\{@csname macarg.#1@endcsname}
}
\expandafter\def\csname macarg.\endcsname{\realbackslash}
-% The catcode games are necessary because @macro may or may not
-% have a brace-surrounded list of arguments, and we need to do
-% different stuff in each case. Making {, } \other is the only
-% way to prevent their being deleted by the tokenizer.
-\def\macro{\recursivefalse
- \bgroup\catcode`\{=\other\catcode`\}=\other\parsearg\macroxxx}
-\def\rmacro{\recursivetrue
- \bgroup\catcode`\{=\other\catcode`\}=\other\parsearg\macroxxx}
-
-\def\macroxxx#1{\egroup % started in \macro
- \getargs{#1}% now \macname is the macname and \toks0 the arglist
- \edef\temp{\the\toks0}%
- \ifx\temp\empty % no arguments
+\def\macro{\recursivefalse\parsearg\macroxxx}
+\def\rmacro{\recursivetrue\parsearg\macroxxx}
+
+\def\macroxxx#1{%
+ \getargs{#1}% now \macname is the macname and \argl the arglist
+ \ifx\argl\empty % no arguments
\paramno=0%
\else
- \expandafter\parsemargdef \the\toks0;%
+ \expandafter\parsemargdef \argl;%
\fi
\expandafter\ifx \csname macsave.\the\macname\endcsname \relax
\cslet{macsave.\the\macname}{\the\macname}%
\fi}
\def\unmacro{\parsearg\unmacroxxx}
-\def\unmacroxxx#1{
+\def\unmacroxxx#1{%
\expandafter\ifx \csname macsave.\the\macname\endcsname \relax
\errmessage{Macro \the\macname\ not defined.}%
\else
\fi
}
+% This makes use of the obscure feature that if the last token of a
+% <parameter list> is #, then the preceding argument is delimited by
+% an opening brace, and that opening brace is not consumed.
+\def\getargs#1{\getargsxxx#1{}}
+\def\getargsxxx#1#{\getmacname #1 \relax\getmacargs}
+\def\getmacname #1 #2\relax{\macname={#1}}
+\def\getmacargs#1{\def\argl{#1}}
+
% Parse the optional {params} list. Set up \paramno and \paramlist
% so \defmacro knows what to do. Define \macarg.blah for each blah
% in the params list, to be ##N where N is the position in that list.
% That gets used by \mbodybackslash (above).
-% This code has to take great care with `macro parameter char #'. The
-% eight hashes in a row on the macarg.#1 line collapse to four in the
-% definition of \macarg.blah, to two when \parsemacbody expands the
-% macro replacement text, and to one when \defmacro writes the macro
-% definiton. The games with \twohash are to postpone expansion till
-% the very end, when \parsemargdefyyy crunches \paramlist into
-% something that can be splatted into a \expandafter\def\blah line (in
-% \defmacro).
-\def\parsemargdef#1;{\paramno=0\def\paramlist{}\parsemargdefxxx#1,;,}
+% We need to get `macro parameter char #' into several definitions.
+% The technique used is stolen from LaTeX: let \hash be something
+% unexpandable, insert that wherever you need a #, and then redefine
+% it to # just before using the token list produced.
+
+\def\parsemargdef#1;{\paramno=0\def\paramlist{}%
+ \let\hash\relax\parsemargdefxxx#1,;,}
\def\parsemargdefxxx#1,{%
- \let\twohash\relax
- \if#1;\let\next=\parsemargdefyyy
+ \if#1;\let\next=\relax
\else \let\next=\parsemargdefxxx
\advance\paramno by 1%
- \expandafter\edef\csname macarg.#1\endcsname{########\the\paramno}%
- \edef\paramlist{\paramlist\twohash\twohash\the\paramno,}%
+ \eatspaces#1 \relax% output to \toks0
+ \expandafter\edef\csname macarg.\the\toks0\endcsname
+ {\ignorespaces \hash\the\paramno}%
+ \edef\paramlist{\paramlist\hash\the\paramno,}%
\fi\next}
-\def\parsemargdefyyy{\let\twohash##\relax \edef\paramlist{\paramlist}}
+\def\eatspaces#1 #2\relax{\def\temp{#1}%
+ \ifx\temp\empty \let\nexteat\eatspaces
+ \else \toks0={#1}\let\nexteat\eatspacesx \fi
+ \nexteat#2 \relax}
+\def\eatspacesx#1 \relax{}
% These two commands read recursive and nonrecursive macro bodies.
% (They're different since rec and nonrec macros end differently.)
-\long\def\parsemacbody#1@end macro%
-{\xdef\temp{#1} \endgroup\defmacro}%
-\long\def\parsermacbody#1@end macro%
-{\xdef\temp{#1} \endgroup\defmacro}%
-
+\long\def\parsemacbody#1^^J@end macro^^J%
+{\xdef\temp{#1}\endgroup\defmacro}%
+\long\def\parsermacbody#1^^J@end rmacro^^J%
+{\xdef\temp{#1}\endgroup\defmacro}%
% This defines the macro itself. There are six cases: recursive and
% nonrecursive macros of zero, one, and many arguments.
% Much magic with \expandafter here.
\def\defmacro{%
+ \let\hash=##% convert placeholders to macro parameter chars
\ifrecursive
\ifcase\paramno
% 0
\expandafter\edef\csname\the\macname\endcsname{%
\noexpand\braceorline\csname\the\macname xxx\endcsname}%
\expandafter\edef\csname\the\macname xxx\endcsname##1{%
- \noexpand\norecurse{\the\macname}
+ \noexpand\norecurse{\the\macname}%
\noexpand\scantokens{\temp}\egroup}%
\else % many
\expandafter\edef\csname\the\macname\endcsname##1{%
\expandafter\expandafter
\csname\the\macname xxx\endcsname
\paramlist{%
- \noexpand\norecurse{\the\macname}
+ \noexpand\norecurse{\the\macname}%
\noexpand\scantokens{\temp}\egroup}%
\fi
\fi}
\expandafter\parsearg
\fi \next}
-% We need {} to be \other inside these commands. [] are temporary
-% grouping symbols.
-\begingroup
-\catcode`\{=\other \catcode`\}=\other
-\catcode`\[=1 \catcode`\]=2
-
-% @macro can be called with or without a brace-surrounded macro
-% argument list. These three sequences extract the macro name and arg
-% list in hopefully all cases. Note that anything on the line after the
-% first pair of braces will be thrown out (Makeinfo puts it into the
-% macro body).
-\gdef\getargs#1[\getargsxxx|#1 {}|]
-\gdef\getargsxxx|#1 {#2}#3|[%
- \toks0=[#2]%
- \edef\tmp[\the\toks0]%
- \ifx\tmp\empty
- \getargsnospaces|#1{}|%
- \else
- \macname=[#1]%
- \fi]
-\gdef\getargsnospaces|#1{#2}#3|[\macname=[#1]\toks0=[#2]]
-
-\endgroup
-
\message{cross references,}
\newwrite\auxfile
\def\inforefzzz #1,#2,#3,#4**{\putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}},
node \samp{\ignorespaces#1{}}}
-% @setref{foo} defines a cross-reference point named foo.
-
-\def\setref#1{%
-\dosetq{#1-title}{Ytitle}%
-\dosetq{#1-pg}{Ypagenumber}%
-\dosetq{#1-snt}{Ysectionnumberandtype}}
+% @node's job is to define \lastnode.
+\def\node{\ENVcheck\parsearg\nodezzz}
+\def\nodezzz#1{\nodexxx [#1,]}
+\def\nodexxx[#1,#2]{\gdef\lastnode{#1}}
+\let\nwnode=\node
+\let\lastnode=\relax
-\def\unnumbsetref#1{%
-\dosetq{#1-title}{Ytitle}%
-\dosetq{#1-pg}{Ypagenumber}%
-\dosetq{#1-snt}{Ynothing}}
+% The sectioning commands (@chapter, etc.) call these.
+\def\donoderef{%
+ \ifx\lastnode\relax\else
+ \expandafter\expandafter\expandafter\setref{\lastnode}%
+ {Ysectionnumberandtype}%
+ \global\let\lastnode=\relax
+ \fi
+}
+\def\unnumbnoderef{%
+ \ifx\lastnode\relax\else
+ \expandafter\expandafter\expandafter\setref{\lastnode}{Ynothing}%
+ \global\let\lastnode=\relax
+ \fi
+}
+\def\appendixnoderef{%
+ \ifx\lastnode\relax\else
+ \expandafter\expandafter\expandafter\setref{\lastnode}%
+ {Yappendixletterandtype}
+ \global\let\lastnode=\relax
+ \fi
+}
-\def\appendixsetref#1{%
-\dosetq{#1-title}{Ytitle}%
-\dosetq{#1-pg}{Ypagenumber}%
-\dosetq{#1-snt}{Yappendixletterandtype}}
+% \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.
+%
+\def\setref#1#2{{%
+ \indexdummies
+ \dosetq{#1-title}{Ytitle}%
+ \dosetq{#1-pg}{Ypagenumber}%
+ \dosetq{#1-snt}{#2}
+}}
-% \xref, \pxref, and \ref generate cross-references to specified points.
-% For \xrefX, #1 is the node name, #2 the name of the Info
-% cross-reference, #3 the printed node name, #4 the name of the Info
-% file, #5 the name of the printed manual. All but the node name can be
-% omitted.
+% @xref, @pxref, and @ref generate cross-references. For \xrefX, #1 is
+% the node name, #2 the name of the Info cross-reference, #3 the printed
+% node name, #4 the name of the Info file, #5 the name of the printed
+% manual. All but the node name can be omitted.
%
\def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]}
\def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]}
% Prevent underfull vbox error messages.
\vbadness = 10000
+% Don't be so finicky about underfull hboxes, either.
+\hbadness = 2000
+
% Following George Bush, just get rid of widows and orphans.
\widowpenalty=10000
\clubpenalty=10000
\setleading{12pt}%
\parskip = 3pt plus 2pt minus 1pt
%
- \internalpagesizes{53\baselineskip}{6.5in}{\voffset}{.25in}{\bindingoffset}{44pt}%
+ \internalpagesizes{53\baselineskip}{160mm}{\voffset}{4mm}{\bindingoffset}{44pt}%
%
\tolerance = 700
\hfuzz = 1pt