% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2010-12-23.17}
+\def\texinfoversion{2011-05-23.16}
%
% Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-% 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+% 2007, 2008, 2009, 2010, 2011 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
\ifx\putwordChapter\undefined \gdef\putwordChapter{Chapter}\fi
\ifx\putwordfile\undefined \gdef\putwordfile{file}\fi
\ifx\putwordin\undefined \gdef\putwordin{in}\fi
-\ifx\putwordIndexIsEmpty\undefined \gdef\putwordIndexIsEmpty{(Index is empty)}\fi
-\ifx\putwordIndexNonexistent\undefined \gdef\putwordIndexNonexistent{(Index is nonexistent)}\fi
+\ifx\putwordIndexIsEmpty\undefined \gdef\putwordIndexIsEmpty{(Index is empty)}\fi
+\ifx\putwordIndexNonexistent\undefined \gdef\putwordIndexNonexistent{(Index is nonexistent)}\fi
\ifx\putwordInfo\undefined \gdef\putwordInfo{Info}\fi
\ifx\putwordInstanceVariableof\undefined \gdef\putwordInstanceVariableof{Instance Variable of}\fi
\ifx\putwordMethodon\undefined \gdef\putwordMethodon{Method on}\fi
\def\spaceisspace{\catcode`\ =\spacecat}
% sometimes characters are active, so we need control sequences.
+\chardef\ampChar = `\&
\chardef\colonChar = `\:
\chardef\commaChar = `\,
\chardef\dashChar = `\-
\chardef\dotChar = `\.
\chardef\exclamChar= `\!
+\chardef\hashChar = `\#
\chardef\lquoteChar= `\`
\chardef\questChar = `\?
\chardef\rquoteChar= `\'
\chardef\semiChar = `\;
+\chardef\slashChar = `\/
\chardef\underChar = `\_
% Ignore a token.
\tracingmacros2
\tracingrestores1
\showboxbreadth\maxdimen \showboxdepth\maxdimen
- \ifx\eTeXversion\undefined\else % etex gives us more logging
+ \ifx\eTeXversion\thisisundefined\else % etex gives us more logging
\tracingscantokens1
\tracingifs1
\tracinggroups1
}
\def\inenvironment#1{%
\ifx#1\empty
- out of any environment%
+ outside of any environment%
\else
in environment \expandafter\string#1%
\fi
\parseargdef\end{%
\if 1\csname iscond.#1\endcsname
\else
- % The general wording of \badenverr may not be ideal, but... --kasal, 06nov03
+ % The general wording of \badenverr may not be ideal.
\expandafter\checkenv\csname#1\endcsname
\csname E#1\endcsname
\endgroup
\else\ifx\temp\offword \plainnonfrenchspacing
\else
\errhelp = \EMsimple
- \errmessage{Unknown @frenchspacing option `\temp', must be on/off}%
+ \errmessage{Unknown @frenchspacing option `\temp', must be on|off}%
\fi\fi
}
\newdimen\mil \mil=0.001in
-% Old definition--didn't work.
-%\parseargdef\need{\par %
-%% 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\nobreak
-%\prevdepth=-1000pt
-%}}
-
\parseargdef\need{%
% Ensure vertical mode, so we don't make a big box in the middle of a
% paragraph.
\makevalueexpandable % we want to expand any @value in FILE.
\turnoffactive % and allow special characters in the expansion
\indexnofonts % Allow `@@' and other weird things in file names.
+ \wlog{texinfo.tex: doing @include of #1^^J}%
\edef\temp{\noexpand\input #1 }%
%
% This trickery is to read FILE outside of a group, in case it makes
\newif\ifpdfmakepagedest
% when pdftex is run in dvi mode, \pdfoutput is defined (so \pdfoutput=1
-% can be set). So we test for \relax and 0 as well as \undefined,
-% borrowed from ifpdf.sty.
-\ifx\pdfoutput\undefined
+% can be set). So we test for \relax and 0 as well as being undefined.
+\ifx\pdfoutput\thisisundefined
\else
\ifx\pdfoutput\relax
\else
% if we are producing pdf, and we have \pdffontattr, then define cmaps.
% (\pdffontattr was introduced many years ago, but people still run
% older pdftex's; it's easy to conditionalize, so we do.)
-\ifpdf \ifx\pdffontattr\undefined \else
+\ifpdf \ifx\pdffontattr\thisisundefined \else
\begingroup
\catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char.
\catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap
% Use cm as the default font prefix.
% To specify the font prefix, you must define \fontprefix
% before you read in texinfo.tex.
-\ifx\fontprefix\undefined
+\ifx\fontprefix\thisisundefined
\def\fontprefix{cm}
\fi
% Support font families that don't use the same naming scheme as CM.
%
\parseargdef\fonttextsize{%
\def\textsizearg{#1}%
- \wlog{doing @fonttextsize \textsizearg}%
+ %\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.
% Markup style setup for left and right quotes.
\defmarkupstylesetup\markupsetuplq{%
- \expandafter\let\expandafter \temp \csname markupsetuplq\currentmarkupstyle\endcsname
+ \expandafter\let\expandafter \temp
+ \csname markupsetuplq\currentmarkupstyle\endcsname
\ifx\temp\relax \markupsetuplqdefault \else \temp \fi
}
\defmarkupstylesetup\markupsetuprq{%
- \expandafter\let\expandafter \temp \csname markupsetuprq\currentmarkupstyle\endcsname
+ \expandafter\let\expandafter \temp
+ \csname markupsetuprq\currentmarkupstyle\endcsname
\ifx\temp\relax \markupsetuprqdefault \else \temp \fi
}
\let\markupsetuplqkbd \markupsetnoligaturesquoteleft
-% 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.
+% Allow an option to not use regular directed right quote/apostrophe
+% (char 0x27), but instead 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 SETtxicodequoteundirected\endcsname\relax
\else \char'22 \fi
}
+% Commands to set the quote options.
+%
+\parseargdef\codequoteundirected{%
+ \def\temp{#1}%
+ \ifx\temp\onword
+ \expandafter\let\csname SETtxicodequoteundirected\endcsname
+ = t%
+ \else\ifx\temp\offword
+ \expandafter\let\csname SETtxicodequoteundirected\endcsname
+ = \relax
+ \else
+ \errhelp = \EMsimple
+ \errmessage{Unknown @codequoteundirected value `\temp', must be on|off}%
+ \fi\fi
+}
+%
+\parseargdef\codequotebacktick{%
+ \def\temp{#1}%
+ \ifx\temp\onword
+ \expandafter\let\csname SETtxicodequotebacktick\endcsname
+ = t%
+ \else\ifx\temp\offword
+ \expandafter\let\csname SETtxicodequotebacktick\endcsname
+ = \relax
+ \else
+ \errhelp = \EMsimple
+ \errmessage{Unknown @codequotebacktick value `\temp', must be on|off}%
+ \fi\fi
+}
+
% [Knuth] pp. 380,381,391, disable Spanish ligatures ?` and !` of \tt font.
\def\noligaturesquoteleft{\relax\lq}
}
}
+\def\codex #1{\tclose{#1}\endgroup}
+
\def\realdash{-}
\def\codedash{-\discretionary{}{}{}}
\def\codeunder{%
\discretionary{}{}{}}%
{\_}%
}
-\def\codex #1{\tclose{#1}\endgroup}
% An additional complication: the above will allow breaks after, e.g.,
% each of the four underscores in __typeof__. This is undesirable in
\allowcodebreaksfalse
\else
\errhelp = \EMsimple
- \errmessage{Unknown @allowcodebreaks option `\txiarg'}%
+ \errmessage{Unknown @allowcodebreaks option `\txiarg', must be true|false}%
\fi\fi
}
-% @kbd is like @code, except that if the argument is just one @key command,
-% then @kbd has no effect.
-\def\kbd#1{{\setupmarkupstyle{kbd}\def\look{#1}\expandafter\kbdfoo\look??\par}}
-
-% @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always),
-% `example' (@kbd uses ttsl only inside of @example and friends),
-% or `code' (@kbd uses normal tty font always).
-\parseargdef\kbdinputstyle{%
- \def\txiarg{#1}%
- \ifx\txiarg\worddistinct
- \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}%
- \else\ifx\txiarg\wordexample
- \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}%
- \else\ifx\txiarg\wordcode
- \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}%
- \else
- \errhelp = \EMsimple
- \errmessage{Unknown @kbdinputstyle option `\txiarg'}%
- \fi\fi\fi
-}
-\def\worddistinct{distinct}
-\def\wordexample{example}
-\def\wordcode{code}
-
-% Default is `distinct'.
-\kbdinputstyle distinct
-
-\def\xkey{\key}
-\def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}%
-\ifx\one\xkey\ifx\threex\three \key{#2}%
-\else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi
-\else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi}
-
-% For @indicateurl, @env, @command quotes seem unnecessary, so use \code.
-\let\indicateurl=\code
-\let\env=\code
-\let\command=\code
-
-% @clicksequence{File @click{} Open ...}
-\def\clicksequence#1{\begingroup #1\endgroup}
-
-% @clickstyle @arrow (by default)
-\parseargdef\clickstyle{\def\click{#1}}
-\def\click{\arrow}
-
% @uref (abbreviation for `urlref') takes an optional (comma-separated)
% second argument specifying the text to display and an optional third
% arg as text to display instead of (rather than in addition to) the url
-% itself. First (mandatory) arg is the url. Perhaps eventually put in
-% a hypertex \special here.
-%
-\def\uref#1{\douref #1,,,\finish}
-\def\douref#1,#2,#3,#4\finish{\begingroup
+% itself. First (mandatory) arg is the url.
+% (This \urefnobreak definition isn't used now, leaving it for a while
+% for comparison.)
+\def\urefnobreak#1{\dourefnobreak #1,,,\finish}
+\def\dourefnobreak#1,#2,#3,#4\finish{\begingroup
\unsepspaces
\pdfurl{#1}%
\setbox0 = \hbox{\ignorespaces #3}%
\endlink
\endgroup}
+% This \urefbreak definition is the active one.
+\def\urefbreak{\begingroup \urefcatcodes \dourefbreak}
+\let\uref=\urefbreak
+\def\dourefbreak#1{\urefbreakfinish #1,,,\finish}
+\def\urefbreakfinish#1,#2,#3,#4\finish{% doesn't work in @example
+ \unsepspaces
+ \pdfurl{#1}%
+ \setbox0 = \hbox{\ignorespaces #3}%
+ \ifdim\wd0 > 0pt
+ \unhbox0 % third arg given, show only that
+ \else
+ \setbox0 = \hbox{\ignorespaces #2}%
+ \ifdim\wd0 > 0pt
+ \ifpdf
+ \unhbox0 % PDF: 2nd arg given, show only it
+ \else
+ \unhbox0\ (\urefcode{#1})% DVI: 2nd arg given, show both it and url
+ \fi
+ \else
+ \urefcode{#1}% only url given, so show it
+ \fi
+ \fi
+ \endlink
+\endgroup}
+
+% Allow line breaks around only a few characters (only).
+\def\urefcatcodes{%
+ \catcode\ampChar=\active \catcode\dotChar=\active
+ \catcode\hashChar=\active \catcode\questChar=\active
+ \catcode\slashChar=\active
+}
+{
+ \urefcatcodes
+ %
+ \global\def\urefcode{\begingroup
+ \setupmarkupstyle{code}%
+ \urefcatcodes
+ \let&\urefcodeamp
+ \let.\urefcodedot
+ \let#\urefcodehash
+ \let?\urefcodequest
+ \let/\urefcodeslash
+ \codex
+ }
+ %
+ % By default, they are just regular characters.
+ \global\def&{\normalamp}
+ \global\def.{\normaldot}
+ \global\def#{\normalhash}
+ \global\def?{\normalquest}
+ \global\def/{\normalslash}
+}
+
+% we put a little stretch before and after the breakable chars, to help
+% line breaking of long url's. The unequal skips make look better in
+% cmtt at least, especially for dots.
+\def\urefprestretch{\urefprebreak \hskip0pt plus.13em }
+\def\urefpoststretch{\urefpostbreak \hskip0pt plus.1em }
+%
+\def\urefcodeamp{\urefprestretch \&\urefpoststretch}
+\def\urefcodedot{\urefprestretch .\urefpoststretch}
+\def\urefcodehash{\urefprestretch \#\urefpoststretch}
+\def\urefcodequest{\urefprestretch ?\urefpoststretch}
+\def\urefcodeslash{\futurelet\next\urefcodeslashfinish}
+{
+ \catcode`\/=\active
+ \global\def\urefcodeslashfinish{%
+ \urefprestretch \slashChar
+ % Allow line break only after the final / in a sequence of
+ % slashes, to avoid line break between the slashes in http://.
+ \ifx\next/\else \urefpoststretch \fi
+ }
+}
+
+% One more complication: by default we'll break after the special
+% characters, but some people like to break before the special chars, so
+% allow that. Also allow no breaking at all, for manual control.
+%
+\parseargdef\urefbreakstyle{%
+ \def\txiarg{#1}%
+ \ifx\txiarg\wordnone
+ \def\urefprebreak{\nobreak}\def\urefpostbreak{\nobreak}
+ \else\ifx\txiarg\wordbefore
+ \def\urefprebreak{\allowbreak}\def\urefpostbreak{\nobreak}
+ \else\ifx\txiarg\wordafter
+ \def\urefprebreak{\nobreak}\def\urefpostbreak{\allowbreak}
+ \else
+ \errhelp = \EMsimple
+ \errmessage{Unknown @urefbreakstyle setting `\txiarg'}%
+ \fi\fi\fi
+}
+\def\wordafter{after}
+\def\wordbefore{before}
+\def\wordnone{none}
+
+\urefbreakstyle after
+
% @url synonym for @uref, since that's how everyone uses it.
%
\let\url=\uref
\let\email=\uref
\fi
+% @kbd is like @code, except that if the argument is just one @key command,
+% then @kbd has no effect.
+\def\kbd#1{{\setupmarkupstyle{kbd}\def\look{#1}\expandafter\kbdfoo\look??\par}}
+
+% @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always),
+% `example' (@kbd uses ttsl only inside of @example and friends),
+% or `code' (@kbd uses normal tty font always).
+\parseargdef\kbdinputstyle{%
+ \def\txiarg{#1}%
+ \ifx\txiarg\worddistinct
+ \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}%
+ \else\ifx\txiarg\wordexample
+ \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}%
+ \else\ifx\txiarg\wordcode
+ \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}%
+ \else
+ \errhelp = \EMsimple
+ \errmessage{Unknown @kbdinputstyle setting `\txiarg'}%
+ \fi\fi\fi
+}
+\def\worddistinct{distinct}
+\def\wordexample{example}
+\def\wordcode{code}
+
+% Default is `distinct'.
+\kbdinputstyle distinct
+
+\def\xkey{\key}
+\def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}%
+\ifx\one\xkey\ifx\threex\three \key{#2}%
+\else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi
+\else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi}
+
+% For @indicateurl, @env, @command quotes seem unnecessary, so use \code.
+\let\indicateurl=\code
+\let\env=\code
+\let\command=\code
+
+% @clicksequence{File @click{} Open ...}
+\def\clicksequence#1{\begingroup #1\endgroup}
+
+% @clickstyle @arrow (by default)
+\parseargdef\clickstyle{\def\click{#1}}
+\def\click{\arrow}
+
% 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.
%
% Textures 1.7.7 (preloaded format=plain 93.10.14) (68K) 16 APR 2004 02:38
% so we'll define it if necessary.
%
-\ifx\Orb\undefined
+\ifx\Orb\thisisundefined
\def\Orb{\mathhexbox20D}
\fi
\newif\ifsetshortcontentsaftertitlepage
\let\setshortcontentsaftertitlepage = \setshortcontentsaftertitlepagetrue
-\parseargdef\shorttitlepage{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}%
- \endgroup\page\hbox{}\page}
+\parseargdef\shorttitlepage{%
+ \begingroup \hbox{}\vskip 1.5in \chaprm \centerline{#1}%
+ \endgroup\page\hbox{}\page}
\envdef\titlepage{%
% Open one extra group, as we want to close it in the middle of \Etitlepage.
\finishedtitlepagetrue
}
-%%% Macros to be used within @titlepage:
+% Macros to be used within @titlepage:
\let\subtitlerm=\tenrm
\def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}
}
-%%% Set up page headings and footings.
+% Set up page headings and footings.
\let\thispage=\folio
% This produces Day Month Year style of output.
% Only define if not already defined, in case a txi-??.tex file has set
% up a different format (e.g., txi-cs.tex does this).
-\ifx\today\undefined
+\ifx\today\thisisundefined
\def\today{%
\number\day\space
\ifcase\month
\setbox0=\vbox{X}\global\multitablelinespace=\the\baselineskip
\global\advance\multitablelinespace by-\ht0
\fi
-%% Test to see if parskip is larger than space between lines of
-%% table. If not, do nothing.
-%% If so, set to same dimension as multitablelinespace.
+% Test to see if parskip is larger than space between lines of
+% table. If not, do nothing.
+% If so, set to same dimension as multitablelinespace.
\ifdim\multitableparskip>\multitablelinespace
\global\multitableparskip=\multitablelinespace
\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
\global\let\subsubsection = \appendixsubsubsec
}
-\outer\parseargdef\unnumbered{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz
+% normally unnmhead0 calls unnumberedzzz:
+\outer\parseargdef\unnumbered{\unnmhead0{#1}}
\def\unnumberedzzz#1{%
\global\secno=0 \global\subsecno=0 \global\subsubsecno=0
\global\advance\unnumberedno by 1
\let\top\unnumbered
% Sections.
+%
\outer\parseargdef\numberedsec{\numhead1{#1}} % normally calls seczzz
\def\seczzz#1{%
\global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1
\sectionheading{#1}{sec}{Ynumbered}{\the\chapno.\the\secno}%
}
-\outer\parseargdef\appendixsection{\apphead1{#1}} % normally calls appendixsectionzzz
+% normally calls appendixsectionzzz:
+\outer\parseargdef\appendixsection{\apphead1{#1}}
\def\appendixsectionzzz#1{%
\global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1
\sectionheading{#1}{sec}{Yappendix}{\appendixletter.\the\secno}%
}
\let\appendixsec\appendixsection
-\outer\parseargdef\unnumberedsec{\unnmhead1{#1}} % normally calls unnumberedseczzz
+% normally calls unnumberedseczzz:
+\outer\parseargdef\unnumberedsec{\unnmhead1{#1}}
\def\unnumberedseczzz#1{%
\global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1
\sectionheading{#1}{sec}{Ynothing}{\the\unnumberedno.\the\secno}%
}
% Subsections.
-\outer\parseargdef\numberedsubsec{\numhead2{#1}} % normally calls numberedsubseczzz
+%
+% normally calls numberedsubseczzz:
+\outer\parseargdef\numberedsubsec{\numhead2{#1}}
\def\numberedsubseczzz#1{%
\global\subsubsecno=0 \global\advance\subsecno by 1
\sectionheading{#1}{subsec}{Ynumbered}{\the\chapno.\the\secno.\the\subsecno}%
}
-\outer\parseargdef\appendixsubsec{\apphead2{#1}} % normally calls appendixsubseczzz
+% normally calls appendixsubseczzz:
+\outer\parseargdef\appendixsubsec{\apphead2{#1}}
\def\appendixsubseczzz#1{%
\global\subsubsecno=0 \global\advance\subsecno by 1
\sectionheading{#1}{subsec}{Yappendix}%
{\appendixletter.\the\secno.\the\subsecno}%
}
-\outer\parseargdef\unnumberedsubsec{\unnmhead2{#1}} %normally calls unnumberedsubseczzz
+% normally calls unnumberedsubseczzz:
+\outer\parseargdef\unnumberedsubsec{\unnmhead2{#1}}
\def\unnumberedsubseczzz#1{%
\global\subsubsecno=0 \global\advance\subsecno by 1
\sectionheading{#1}{subsec}{Ynothing}%
}
% Subsubsections.
-\outer\parseargdef\numberedsubsubsec{\numhead3{#1}} % normally numberedsubsubseczzz
+%
+% normally numberedsubsubseczzz:
+\outer\parseargdef\numberedsubsubsec{\numhead3{#1}}
\def\numberedsubsubseczzz#1{%
\global\advance\subsubsecno by 1
\sectionheading{#1}{subsubsec}{Ynumbered}%
{\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno}%
}
-\outer\parseargdef\appendixsubsubsec{\apphead3{#1}} % normally appendixsubsubseczzz
+% normally appendixsubsubseczzz:
+\outer\parseargdef\appendixsubsubsec{\apphead3{#1}}
\def\appendixsubsubseczzz#1{%
\global\advance\subsubsecno by 1
\sectionheading{#1}{subsubsec}{Yappendix}%
{\appendixletter.\the\secno.\the\subsecno.\the\subsubsecno}%
}
-\outer\parseargdef\unnumberedsubsubsec{\unnmhead3{#1}} %normally unnumberedsubsubseczzz
+% normally unnumberedsubsubseczzz:
+\outer\parseargdef\unnumberedsubsubsec{\unnmhead3{#1}}
\def\unnumberedsubsubseczzz#1{%
\global\advance\subsubsecno by 1
\sectionheading{#1}{subsubsec}{Ynothing}%
% (including whitespace, linebreaking, etc. around it),
% given all the information in convenient, parsed form.
-%%% Args are the skip and penalty (usually negative)
+% Args are the skip and penalty (usually negative)
\def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi}
-%%% Define plain chapter starts, and page on/off switching for it
% Parameter controlling skip before chapter headings (if needed)
-
\newskip\chapheadingskip
+% Define plain chapter starts, and page on/off switching for it.
\def\chapbreak{\dobreak \chapheadingskip {-4000}}
\def\chappager{\par\vfill\supereject}
% Because \domark is called before \chapoddpage, the filler page will
%
\def\sectionheading#1#2#3#4{%
{%
+ \checkenv{}% should not be in an environment.
+ %
% Switch to the right set of fonts.
\csname #2fonts\endcsname \rmisbold
%
%
\def\Equotation{%
\par
- \ifx\quotationauthor\undefined\else
+ \ifx\quotationauthor\thisisundefined\else
% indent a bit.
\leftline{\kern 2\leftskip \sl ---\quotationauthor}%
\fi
\makevalueexpandable
\setupverbatim
\indexnofonts % Allow `@@' and other weird things in file names.
+ \wlog{texinfo.tex: doing @verbatiminclude of #1^^J}%
\input #1
\afterenvbreak
}%
% commands also insert a nobreak penalty, and we don't want to allow
% a break between a section heading and a defun.
%
- % As a minor refinement, we avoid "club" headers by signalling
+ % As a further refinement, we avoid "club" headers by signalling
% with penalty of 10003 after the very first @deffn in the
% sequence (see above), and penalty of 10002 after any following
% @def command.
\def\domakedefun#1#2#3{%
\envdef#1{%
\startdefun
+ \doingtypefnfalse % distinguish typed functions from all else
\parseargusing\activeparens{\printdefunline#3}%
}%
\def#2{\dodefunx#1}%
\def#3%
}
-%%% Untyped functions:
+\newif\ifdoingtypefn % doing typed function?
+\newif\ifrettypeownline % typeset return type on its own line?
+
+% @deftypefnnewline on|off says whether the return type of typed functions
+% are printed on their own line. This affects @deftypefn, @deftypefun,
+% @deftypeop, and @deftypemethod.
+%
+\parseargdef\deftypefnnewline{%
+ \def\temp{#1}%
+ \ifx\temp\onword
+ \expandafter\let\csname SETtxideftypefnnl\endcsname
+ = \empty
+ \else\ifx\temp\offword
+ \expandafter\let\csname SETtxideftypefnnl\endcsname
+ = \relax
+ \else
+ \errhelp = \EMsimple
+ \errmessage{Unknown @txideftypefnnl value `\temp',
+ must be on|off}%
+ \fi\fi
+}
+
+% Untyped functions:
% @deffn category name args
\makedefun{deffn}{\deffngeneral{}}
\defname{#2}{}{#3}\magicamp\defunargs{#4\unskip}%
}
-%%% Typed functions:
+% Typed functions:
% @deftypefn category type name args
\makedefun{deftypefn}{\deftypefngeneral{}}
%
\def\deftypefngeneral#1#2 #3 #4 #5\endheader{%
\dosubind{fn}{\code{#4}}{#1}%
+ \doingtypefntrue
\defname{#2}{#3}{#4}\defunargs{#5\unskip}%
}
-%%% Typed variables:
+% Typed variables:
% @deftypevr category type var args
\makedefun{deftypevr}{\deftypecvgeneral{}}
\defname{#2}{#3}{#4}\defunargs{#5\unskip}%
}
-%%% Untyped variables:
+% Untyped variables:
% @defvr category var args
\makedefun{defvr}#1 {\deftypevrheader{#1} {} }
% \defcvof {category of}class var args
\def\defcvof#1#2 {\deftypecvof{#1}#2 {} }
-%%% Type:
+% Types:
+
% @deftp category name args
\makedefun{deftp}#1 #2 #3\endheader{%
\doind{tp}{\code{#2}}%
% We are followed by (but not passed) the arguments, if any.
%
\def\defname#1#2#3{%
+ \par
% Get the values of \leftskip and \rightskip as they were outside the @def...
\advance\leftskip by -\defbodyindent
%
- % How we'll format the type name. Putting it in brackets helps
+ % Determine if we are typesetting the return type of a typed function
+ % on a line by itself.
+ \rettypeownlinefalse
+ \ifdoingtypefn % doing a typed function specifically?
+ % then check user option for putting return type on its own line:
+ \expandafter\ifx\csname SETtxideftypefnnl\endcsname\relax \else
+ \rettypeownlinetrue
+ \fi
+ \fi
+ %
+ % How we'll format the category name. Putting it in brackets helps
% distinguish it from the body text that may end up on the next line
% just below it.
\def\temp{#1}%
\setbox0=\hbox{\kern\deflastargmargin \ifx\temp\empty\else [\rm\temp]\fi}
%
- % Figure out line sizes for the paragraph shape.
+ % Figure out line sizes for the paragraph shape. We'll always have at
+ % least two.
+ \tempnum = 2
+ %
% The first line needs space for \box0; but if \rightskip is nonzero,
% we need only space for the part of \box0 which exceeds it:
\dimen0=\hsize \advance\dimen0 by -\wd0 \advance\dimen0 by \rightskip
+ %
+ % If doing a return type on its own line, we'll have another line.
+ \ifrettypeownline
+ \advance\tempnum by 1
+ \def\maybeshapeline{0in \hsize}%
+ \else
+ \def\maybeshapeline{}%
+ \fi
+ %
% The continuations:
\dimen2=\hsize \advance\dimen2 by -\defargsindent
- % (plain.tex says that \dimen1 should be used only as global.)
- \parshape 2 0in \dimen0 \defargsindent \dimen2
%
- % Put the type name to the right margin.
+ % The final paragraph shape:
+ \parshape \tempnum 0in \dimen0 \maybeshapeline \defargsindent \dimen2
+ %
+ % Put the category name at the right margin.
\noindent
\hbox to 0pt{%
\hfil\box0 \kern-\hsize
% . this still does not fix the ?` and !` ligatures, but so far no
% one has made identifiers using them :).
\df \tt
- \def\temp{#2}% return value type
- \ifx\temp\empty\else \tclose{\temp} \fi
+ \def\temp{#2}% text of the return type
+ \ifx\temp\empty\else
+ \tclose{\temp}% typeset the return type
+ \ifrettypeownline
+ % put return type on its own line; prohibit line break following:
+ \hfil\vadjust{\nobreak}\break
+ \else
+ \space % type on same line, so just followed by a space
+ \fi
+ \fi % no return type
#3% output function name
}%
{\rm\enskip}% hskip 0.5 em of \tenrm
% To do this right we need a feature of e-TeX, \scantokens,
% which we arrange to emulate with a temporary file in ordinary TeX.
-\ifx\eTeXversion\undefined
+\ifx\eTeXversion\thisisundefined
\newwrite\macscribble
\def\scantokens#1{%
\toks0={#1}%
% ... and for \example:
\spaceisspace
%
- % The \empty here causes a following catcode 5 newline to be eaten
- % as part of reading whitespace after a control sequence. It does
- % not eat a catcode 13 newline. There's no good way to handle the
- % two cases. See the Macro Details node in the manual for the
- % workaround we currently have to recommend for macros and
+ % The \empty here causes a following catcode 5 newline to be eaten as
+ % part of reading whitespace after a control sequence. It does not
+ % eat a catcode 13 newline. There's no good way to handle the two
+ % cases (untried: maybe e-TeX's \everyeof could help, though plain TeX
+ % would then have different behavior). See the Macro Details node in
+ % the manual for the workaround we recommend for macros and
% line-oriented commands.
+ %
\scantokens{#1\empty}%
\endgroup}
% @inforef is relatively simple.
\def\inforef #1{\inforefzzz #1,,,,**}
-\def\inforefzzz #1,#2,#3,#4**{\putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}},
+\def\inforefzzz #1,#2,#3,#4**{%
+ \putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}},
node \samp{\ignorespaces#1{}}}
% @node's only job in TeX is to define \lastnode, which is used in
\toks0 = \expandafter{\lastsection}%
\immediate \writexrdef{title}{\the\toks0 }%
\immediate \writexrdef{snt}{\csname #2\endcsname}% \Ynumbered etc.
- \safewhatsit{\writexrdef{pg}{\folio}}% will be written later, during \shipout
+ \safewhatsit{\writexrdef{pg}{\folio}}% will be written later, at \shipout
}%
\fi
}
+% @xrefautosectiontitle on|off says whether @section(ing) names are used
+% automatically in xrefs, if the third arg is not explicitly specified.
+% This was provided as a "secret" @set xref-automatic-section-title
+% variable, now it's official.
+%
+\parseargdef\xrefautomaticsectiontitle{%
+ \def\temp{#1}%
+ \ifx\temp\onword
+ \expandafter\let\csname SETxref-automatic-section-title\endcsname
+ = \empty
+ \else\ifx\temp\offword
+ \expandafter\let\csname SETxref-automatic-section-title\endcsname
+ = \relax
+ \else
+ \errhelp = \EMsimple
+ \errmessage{Unknown @xrefautomaticsectiontitle value `\temp',
+ must be on|off}%
+ \fi\fi
+}
+
+
% @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
\setbox0=\hbox{\printedrefname\unskip}%
\ifdim \wd0 = 0pt
% No printed node name was explicitly given.
- \expandafter\ifx\csname SETxref-automatic-section-title\endcsname\relax
+ \expandafter\ifx\csname SETxref-automatic-section-title\endcsname \relax
% Use the node name inside the square brackets.
\def\printedrefname{\ignorespaces #1}%
\else
it from ftp://tug.org/tex/epsf.tex.}
%
\def\image#1{%
- \ifx\epsfbox\undefined
+ \ifx\epsfbox\thisiundefined
\ifwarnednoepsf \else
\errhelp = \noepsfhelp
\errmessage{epsf.tex not found, images will be ignored}%
%
% Latin1 (ISO-8859-1) character definitions.
\def\latonechardefs{%
- \gdef^^a0{~}
+ \gdef^^a0{\tie}
\gdef^^a1{\exclamdown}
\gdef^^a2{\missingcharmsg{CENT SIGN}}
\gdef^^a3{{\pounds}}
\gdef^^b9{$^1$}
\gdef^^ba{\ordm}
%
- \gdef^^bb{\guilletright}
+ \gdef^^bb{\guillemetright}
\gdef^^bc{$1\over4$}
\gdef^^bd{$1\over2$}
\gdef^^be{$3\over4$}
% Latin2 (ISO-8859-2) character definitions.
\def\lattwochardefs{%
- \gdef^^a0{~}
+ \gdef^^a0{\tie}
\gdef^^a1{\ogonek{A}}
\gdef^^a2{\u{}}
\gdef^^a3{\L}
\gdef\DeclareUnicodeCharacter#1#2{%
\countUTFz = "#1\relax
- \wlog{\space\space defining Unicode char U+#1 (decimal \the\countUTFz)}%
+ %\wlog{\space\space defining Unicode char U+#1 (decimal \the\countUTFz)}%
\begingroup
\parseXMLCharref
\def\UTFviiiTwoOctets##1##2{%
\message{and turning on texinfo input format.}
+\def^^L{\par} % remove \outer, so ^L can appear in an @comment
+
% DEL is a comment character, in case @c does not suffice.
\catcode`\^^? = 14
% Define macros to output various characters with catcode for normal text.
-\catcode`\"=\other
-\catcode`\~=\other
-\catcode`\^=\other
-\catcode`\_=\other
-\catcode`\|=\other
-\catcode`\<=\other
-\catcode`\>=\other
-\catcode`\+=\other
-\catcode`\$=\other
-\def\normaldoublequote{"}
-\def\normaltilde{~}
-\def\normalcaret{^}
-\def\normalunderscore{_}
-\def\normalverticalbar{|}
-\def\normalless{<}
-\def\normalgreater{>}
-\def\normalplus{+}
-\def\normaldollar{$}%$ font-lock fix
+\catcode`\"=\other \def\normaldoublequote{"}
+\catcode`\$=\other \def\normaldollar{$}%$ font-lock fix
+\catcode`\+=\other \def\normalplus{+}
+\catcode`\<=\other \def\normalless{<}
+\catcode`\>=\other \def\normalgreater{>}
+\catcode`\^=\other \def\normalcaret{^}
+\catcode`\_=\other \def\normalunderscore{_}
+\catcode`\|=\other \def\normalverticalbar{|}
+\catcode`\~=\other \def\normaltilde{~}
% This macro is used to make a character print one way in \tt
% (where it can probably be output as-is), and another way in other fonts,
% the literal character `\'.
%
@def@normalturnoffactive{%
- @let\=@normalbackslash
@let"=@normaldoublequote
- @let~=@normaltilde
+ @let$=@normaldollar %$ font-lock fix
+ @let+=@normalplus
+ @let<=@normalless
+ @let>=@normalgreater
+ @let\=@normalbackslash
@let^=@normalcaret
@let_=@normalunderscore
@let|=@normalverticalbar
- @let<=@normalless
- @let>=@normalgreater
- @let+=@normalplus
- @let$=@normaldollar %$ font-lock fix
+ @let~=@normaltilde
@markupsetuplqdefault
@markupsetuprqdefault
@unsepspaces
% Say @foo, not \foo, in error messages.
@escapechar = `@@
+% These (along with & and #) are made active for url-breaking, so need
+% active definitions as the normal characters.
+@def@normaldot{.}
+@def@normalquest{?}
+@def@normalslash{/}
+
% These look ok in all fonts, so just make them not special.
-@catcode`@& = @other
-@catcode`@# = @other
-@catcode`@% = @other
+@catcode`@& = @other @def@normalamp{&}
+@catcode`@# = @other @def@normalhash{#}
+@catcode`@% = @other @def@normalpercent{%}
@c Finally, make ` and ' active, so that txicodequoteundirected and
@c txicodequotebacktick work right in, e.g., @w{@code{`foo'}}. If we
projects / platform / upstream / automake.git / blobdiff