% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2012-09-05.06}
+\def\texinfoversion{2013-09-11.11}
%
% 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, 2011, 2012 Free Software Foundation, Inc.
+% 2007, 2008, 2009, 2010, 2011, 2012, 2013 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
%
% As a special exception, when this file is read by TeX when processing
% a Texinfo source document, you may use the result without
-% restriction. (This has been our intent since Texinfo was invented.)
+% restriction. This Exception is an additional permission under section 7
+% of the GNU General Public License, version 3 ("GPLv3").
%
% Please try the latest version of texinfo.tex before submitting bug
% reports; you can get the latest version from:
\toks6=\expandafter{\prevsectiondefs}%
\toks8=\expandafter{\lastcolordefs}%
\mark{%
- \the\toks0 \the\toks2
- \noexpand\or \the\toks4 \the\toks6
- \noexpand\else \the\toks8
+ \the\toks0 \the\toks2 % 0: top marks (\last...)
+ \noexpand\or \the\toks4 \the\toks6 % 1: bottom marks (default, \prev...)
+ \noexpand\else \the\toks8 % 2: color marks
}%
}
% \topmark doesn't work for the very first chapter (after the title
%
% Do this outside of the \shipout so @code etc. will be expanded in
% the headline as they should be, not taken literally (outputting ''code).
+ \def\commmonheadfootline{\let\hsize=\pagewidth \texinfochars}
+ %
\ifodd\pageno \getoddheadingmarks \else \getevenheadingmarks \fi
- \setbox\headlinebox = \vbox{\let\hsize=\pagewidth \makeheadline}%
+ \global\setbox\headlinebox = \vbox{\commmonheadfootline \makeheadline}%
+ %
\ifodd\pageno \getoddfootingmarks \else \getevenfootingmarks \fi
- \setbox\footlinebox = \vbox{\let\hsize=\pagewidth \makefootline}%
+ \global\setbox\footlinebox = \vbox{\commmonheadfootline \makefootline}%
%
{%
% Have to do this stuff outside the \shipout because we want it to
\gdef\markupsetcodequoteleft{\let`\codequoteleft}
\gdef\markupsetcodequoteright{\let'\codequoteright}
-
-\gdef\markupsetnoligaturesquoteleft{\let`\noligaturesquoteleft}
}
\let\markupsetuplqcode \markupsetcodequoteleft
\let\markupsetuplqexample \markupsetcodequoteleft
\let\markupsetuprqexample \markupsetcodequoteright
%
+\let\markupsetuplqkbd \markupsetcodequoteleft
+\let\markupsetuprqkbd \markupsetcodequoteright
+%
\let\markupsetuplqsamp \markupsetcodequoteleft
\let\markupsetuprqsamp \markupsetcodequoteright
%
\let\markupsetuplqverbatim \markupsetcodequoteleft
\let\markupsetuprqverbatim \markupsetcodequoteright
-\let\markupsetuplqkbd \markupsetnoligaturesquoteleft
-
% 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
\ifx\next,%
\else\ifx\next-%
\else\ifx\next.%
+ \else\ifx\next\.%
+ \else\ifx\next\comma%
\else\ptexslash
- \fi\fi\fi
+ \fi\fi\fi\fi\fi
\aftersmartic
}
-% like \smartslanted except unconditionally uses \ttsl, and no ic.
-% @var is set to this for defun arguments.
+% Unconditional use \ttsl, and no ic. @var is set to this for defuns.
\def\ttslanted#1{{\ttsl #1}}
% @cite is like \smartslanted except unconditionally use \sl. We never want
}
% We *must* turn on hyphenation at `-' and `_' in @code.
+% (But see \codedashfinish below.)
% Otherwise, it is too hard to avoid overfull hboxes
% in the Emacs manual, the Library manual, etc.
%
% Unfortunately, TeX uses one parameter (\hyphenchar) to control
% both hyphenation at - and hyphenation within words.
% We must therefore turn them both off (\tclose does that)
-% and arrange explicitly to hyphenate at a dash.
-% -- rms.
+% and arrange explicitly to hyphenate at a dash. -- rms.
{
\catcode`\-=\active \catcode`\_=\active
\catcode`\'=\active \catcode`\`=\active
\let-\codedash
\let_\codeunder
\else
- \let-\realdash
+ \let-\normaldash
\let_\realunder
\fi
+ % Given -foo (with a single dash), we do not want to allow a break
+ % after the hyphen.
+ \global\let\codedashprev=\codedash
+ %
\codex
}
+ %
+ \gdef\codedash{\futurelet\next\codedashfinish}
+ \gdef\codedashfinish{%
+ \normaldash % always output the dash character itself.
+ %
+ % Now, output a discretionary to allow a line break, unless
+ % (a) the next character is a -, or
+ % (b) the preceding character is a -.
+ % E.g., given --posix, we do not want to allow a break after either -.
+ % Given --foo-bar, we do want to allow a break between the - and the b.
+ \ifx\next\codedash \else
+ \ifx\codedashprev\codedash
+ \else \discretionary{}{}{}\fi
+ \fi
+ % we need the space after the = for the case when \next itself is a
+ % space token; it would get swallowed otherwise. As in @code{- a}.
+ \global\let\codedashprev= \next
+ }
}
-
+\def\normaldash{-}
+%
\def\codex #1{\tclose{#1}\endgroup}
-\def\realdash{-}
-\def\codedash{-\discretionary{}{}{}}
\def\codeunder{%
% this is all so @math{@code{var_name}+1} can work. In math mode, _
% is "active" (mathcode"8000) and \normalunderscore (or \char95, etc.)
}
% An additional complication: the above will allow breaks after, e.g.,
-% each of the four underscores in __typeof__. This is undesirable in
-% some manuals, especially if they don't have long identifiers in
-% general. @allowcodebreaks provides a way to control this.
+% each of the four underscores in __typeof__. This is bad.
+% @allowcodebreaks provides a document-level way to turn breaking at -
+% and _ on and off.
%
\newif\ifallowcodebreaks \allowcodebreakstrue
\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).
% Default is `distinct'.
\kbdinputstyle distinct
+% @kbd is like @code, except that if the argument is just one @key command,
+% then @kbd has no effect.
+\def\kbd#1{{\def\look{#1}\expandafter\kbdsub\look??\par}}
+
\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}
+\def\kbdsub#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
+}
% definition of @key that produces a lozenge. Doesn't adjust to text size.
%\setfont\keyrm\rmshape{8}{1000}{OT1}
\def\inlinefmtname{#1}%
\ifx\inlinefmtname\outfmtnametex \ignorespaces #2\fi
}
+%
+% @inlinefmtifelse{FMTNAME,THEN-TEXT,ELSE-TEXT} expands THEN-TEXT if
+% FMTNAME is tex, else ELSE-TEXT.
+\long\def\inlinefmtifelse#1{\doinlinefmtifelse #1,,,\finish}
+\long\def\doinlinefmtifelse#1,#2,#3,#4,\finish{%
+ \def\inlinefmtname{#1}%
+ \ifx\inlinefmtname\outfmtnametex \ignorespaces #2\else \ignorespaces #3\fi
+}
+%
% For raw, must switch into @tex before parsing the argument, to avoid
% setting catcodes prematurely. Doing it this way means that, for
% example, @inlineraw{html, foo{bar} gets a parse error instead of being
\endgroup % close group opened by \tex.
}
+% @inlineifset{VAR, TEXT} expands TEXT if VAR is @set.
+%
+\long\def\inlineifset#1{\doinlineifset #1,\finish}
+\long\def\doinlineifset#1,#2,\finish{%
+ \def\inlinevarname{#1}%
+ \expandafter\ifx\csname SET\inlinevarname\endcsname\relax
+ \else\ignorespaces#2\fi
+}
+
+% @inlineifclear{VAR, TEXT} expands TEXT if VAR is not @set.
+%
+\long\def\inlineifclear#1{\doinlineifclear #1,\finish}
+\long\def\doinlineifclear#1,#2,\finish{%
+ \def\inlinevarname{#1}%
+ \expandafter\ifx\csname SET\inlinevarname\endcsname\relax \ignorespaces#2\fi
+}
+
\message{glyphs,}
% and logos.
\def\value{\begingroup\makevalueexpandable\valuexxx}
\def\valuexxx#1{\expandablevalue{#1}\endgroup}
{
- \catcode`\- = \active \catcode`\_ = \active
+ \catcode`\-=\active \catcode`\_=\active
%
\gdef\makevalueexpandable{%
\let\value = \expandablevalue
% ..., but we might end up with active ones in the argument if
% we're called from @code, as @code{@value{foo-bar_}}, though.
% So \let them to their normal equivalents.
- \let-\realdash \let_\normalunderscore
+ \let-\normaldash \let_\normalunderscore
}
}
% variable's value contains other Texinfo commands, it's almost certain
% it will fail (although perhaps we could fix that with sufficient work
% to do a one-level expansion on the result, instead of complete).
-%
+%
+% Unfortunately, this has the consequence that when _ is in the *value*
+% of an @set, it does not print properly in the roman fonts (get the cmr
+% dot accent at position 126 instead). No fix comes to mind, and it's
+% been this way since 2003 or earlier, so just ignore it.
+%
\def\expandablevalue#1{%
\expandafter\ifx\csname SET#1\endcsname\relax
{[No value for ``#1'']}%
% @ifset VAR ... @end ifset reads the `...' iff VAR has been defined
% with @set.
-%
-% To get special treatment of `@end ifset,' call \makeond and the redefine.
+%
+% To get the special treatment we need for `@end ifset,' we call
+% \makecond and then redefine.
%
\makecond{ifset}
\def\ifset{\parsearg{\doifset{\let\next=\ifsetfail}}}
}
\def\ifcmddefinedfail{\doignore{ifcommanddefined}}
-% @ifcommandnotdefined CMD ... handlded similar to @ifclear above.
+% @ifcommandnotdefined CMD ... handled similar to @ifclear above.
\makecond{ifcommandnotdefined}
\def\ifcommandnotdefined{%
\parsearg{\doifcmddefined{\else \let\next=\ifcmdnotdefinedfail}}}
%
% Now the second mark, after the heading break. No break points
% between here and the heading.
- \let\prevsectiondefs=\lastsectiondefs
+ \global\let\prevsectiondefs=\lastsectiondefs
\domark
%
% Only insert the space after the number if we have a section number.
\catcode `\|=\other
\catcode `\<=\other
\catcode `\>=\other
- \catcode`\`=\other
- \catcode`\'=\other
+ \catcode `\`=\other
+ \catcode `\'=\other
\escapechar=`\\
%
% ' is active in math mode (mathcode"8000). So reset it, and all our
\let\/=\ptexslash
\let\*=\ptexstar
\let\t=\ptext
- \expandafter \let\csname top\endcsname=\ptextop % outer
+ \expandafter \let\csname top\endcsname=\ptextop % we've made it outer
\let\frenchspacing=\plainfrenchspacing
%
\def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}%
\newdimen\nonfillparindent
\def\nonfillstart{%
\aboveenvbreak
- \hfuzz = 12pt % Don't be fussy
+ \ifdim\hfuzz < 12pt \hfuzz = 12pt \fi % Don't be fussy
\sepspaces % Make spaces be word-separators rather than space tokens.
\let\par = \lisppar % don't ignore blank lines
\obeylines % each line of input is a line of output
\makedispenvdef{quotation}{\quotationstart}
%
\def\quotationstart{%
- {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip
- \parindent=0pt
- %
- % @cartouche defines \nonarrowing to inhibit narrowing at next level down.
+ \indentedblockstart % same as \indentedblock, but increase right margin too.
\ifx\nonarrowing\relax
- \advance\leftskip by \lispnarrowing
\advance\rightskip by \lispnarrowing
- \exdentamount = \lispnarrowing
- \else
- \let\nonarrowing = \relax
\fi
\parsearg\quotationlabel
}
\fi
}
+% @indentedblock is like @quotation, but indents only on the left and
+% has no optional argument.
+%
+\makedispenvdef{indentedblock}{\indentedblockstart}
+%
+\def\indentedblockstart{%
+ {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip
+ \parindent=0pt
+ %
+ % @cartouche defines \nonarrowing to inhibit narrowing at next level down.
+ \ifx\nonarrowing\relax
+ \advance\leftskip by \lispnarrowing
+ \exdentamount = \lispnarrowing
+ \else
+ \let\nonarrowing = \relax
+ \fi
+}
+
+% Keep a nonzero parskip for the environment, since we're doing normal filling.
+%
+\def\Eindentedblock{%
+ \par
+ {\parskip=0pt \afterenvbreak}%
+}
+\def\Esmallindentedblock{\Eindentedblock}
+
% LaTeX-like @verbatim...@end verbatim and @verb{<char>...<char>}
% If we want to allow any <char> as delimiter,
\df \sl \hyphenchar\font=0
%
% On the other hand, if an argument has two dashes (for instance), we
- % want a way to get ttsl. Let's try @var for that.
+ % want a way to get ttsl. We used to recommend @var for that, so
+ % leave the code in, but it's strange for @var to lead to typewriter.
+ % Nowadays we recommend @code, since the difference between a ttsl hyphen
+ % and a tt hyphen is pretty tiny. @code also disables ?` !`.
\def\var##1{{\setupmarkupstyle{var}\ttslanted{##1}}}%
#1%
\sl\hyphenchar\font=45
\catcode`\"=\active
\def\activedoublequote{{\tt\char34}}
\let"=\activedoublequote
-\catcode`\~=\active
-\def~{{\tt\char126}}
+\catcode`\~=\active \def\activetilde{{\tt\char126}} \let~ = \activetilde
\chardef\hat=`\^
-\catcode`\^=\active
-\def^{{\tt \hat}}
+\catcode`\^=\active \def\activehat{{\tt \hat}} \let^ = \activehat
\catcode`\_=\active
\def_{\ifusingtt\normalunderscore\_}
\catcode`\|=\active
\def|{{\tt\char124}}
+
\chardef \less=`\<
-\catcode`\<=\active
-\def<{{\tt \less}}
+\catcode`\<=\active \def\activeless{{\tt \less}}\let< = \activeless
\chardef \gtr=`\>
-\catcode`\>=\active
-\def>{{\tt \gtr}}
-\catcode`\+=\active
-\def+{{\tt \char 43}}
-\catcode`\$=\active
-\def${\ifusingit{{\sl\$}}\normaldollar}%$ font-lock fix
+\catcode`\>=\active \def\activegtr{{\tt \gtr}}\let> = \activegtr
+\catcode`\+=\active \def+{{\tt \char 43}}
+\catcode`\$=\active \def${\ifusingit{{\sl\$}}\normaldollar}%$ font-lock fix
+
+% used for headline/footline in the output routine, in case the page
+% breaks in the middle of an @tex block.
+\def\texinfochars{%
+ \let< = \activeless
+ \let> = \activegtr
+ \let~ = \activetilde
+ \let^ = \activehat
+ \markupsetuplqdefault \markupsetuprqdefault
+ \let\b = \strong
+ \let\i = \smartitalic
+ % in principle, all other definitions in \tex have to be undone too.
+}
% If a .fmt file is being used, characters that might appear in a file
% name cannot be active until we have parsed the command line.
@gdef@otherbackslash{@let\=@realbackslash}
% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of
-% the literal character `\'.
-%
-@def@normalturnoffactive{%
- @let"=@normaldoublequote
- @let$=@normaldollar %$ font-lock fix
- @let+=@normalplus
- @let<=@normalless
- @let>=@normalgreater
- @let\=@normalbackslash
- @let^=@normalcaret
- @let_=@normalunderscore
- @let|=@normalverticalbar
- @let~=@normaltilde
- @markupsetuplqdefault
- @markupsetuprqdefault
- @unsepspaces
+% the literal character `\'. Also revert - to its normal character, in
+% case the active - from code has slipped in.
+%
+{@catcode`- = @active
+ @gdef@normalturnoffactive{%
+ @let-=@normaldash
+ @let"=@normaldoublequote
+ @let$=@normaldollar %$ font-lock fix
+ @let+=@normalplus
+ @let<=@normalless
+ @let>=@normalgreater
+ @let\=@normalbackslash
+ @let^=@normalcaret
+ @let_=@normalunderscore
+ @let|=@normalverticalbar
+ @let~=@normaltilde
+ @markupsetuplqdefault
+ @markupsetuprqdefault
+ @unsepspaces
+ }
}
% Make _ and + \other characters, temporarily.
projects / gnulib.git / blobdiff