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-rw-r--r--ChangeLog6
-rw-r--r--build-aux/texinfo.tex3382
2 files changed, 2320 insertions, 1068 deletions
diff --git a/ChangeLog b/ChangeLog
index aac3ac7..f55a4a9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2014-12-25 Daiki Ueno <ueno@gnu.org>
+
+ * build-aux/texinfo.tex: Update to 2014-12-03.16. Needed because
+ the original texinfo does not allow @heading usage inside
+ @enumeration and texi2dvi fails due to this.
+
2014-12-24 Daiki Ueno <ueno@gnu.org>
* gettext 0.19.4 released.
diff --git a/build-aux/texinfo.tex b/build-aux/texinfo.tex
index c49e670..370d450 100644
--- a/build-aux/texinfo.tex
+++ b/build-aux/texinfo.tex
@@ -1,13 +1,13 @@
% texinfo.tex -- TeX macros to handle Texinfo files.
-%
+%
% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2007-09-03.05}
+\def\texinfoversion{2014-12-03.16}
%
-% Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, 2007,
+% Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-% 2007 Free Software Foundation, Inc.
+% 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 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
@@ -24,13 +24,14 @@
%
% 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:
-% http://www.gnu.org/software/texinfo/ (the Texinfo home page), or
-% ftp://tug.org/tex/texinfo.tex
-% (and all CTAN mirrors, see http://www.ctan.org).
+% http://ftp.gnu.org/gnu/texinfo/ (the Texinfo release area), or
+% http://ftpmirror.gnu.org/texinfo/ (same, via a mirror), or
+% http://www.gnu.org/software/texinfo/ (the Texinfo home page)
% The texinfo.tex in any given distribution could well be out
% of date, so if that's what you're using, please check.
%
@@ -65,7 +66,6 @@
\everyjob{\message{[Texinfo version \texinfoversion]}%
\catcode`+=\active \catcode`\_=\active}
-
\chardef\other=12
% We never want plain's \outer definition of \+ in Texinfo.
@@ -93,10 +93,15 @@
\let\ptexnewwrite\newwrite
\let\ptexnoindent=\noindent
\let\ptexplus=+
+\let\ptexraggedright=\raggedright
\let\ptexrbrace=\}
\let\ptexslash=\/
+\let\ptexsp=\sp
\let\ptexstar=\*
+\let\ptexsup=\sup
\let\ptext=\t
+\let\ptextop=\top
+{\catcode`\'=\active \global\let\ptexquoteright'}% active in plain's math mode
% If this character appears in an error message or help string, it
% starts a new line in the output.
@@ -114,10 +119,11 @@
% Set up fixed words for English if not already set.
\ifx\putwordAppendix\undefined \gdef\putwordAppendix{Appendix}\fi
\ifx\putwordChapter\undefined \gdef\putwordChapter{Chapter}\fi
+\ifx\putworderror\undefined \gdef\putworderror{error}\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
@@ -156,15 +162,18 @@
\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.
@@ -195,36 +204,7 @@
% that mark overfull boxes (in case you have decided
% that the text looks ok even though it passes the margin).
%
-\def\finalout{\overfullrule=0pt}
-
-% @| inserts a changebar to the left of the current line. It should
-% surround any changed text. This approach does *not* work if the
-% change spans more than two lines of output. To handle that, we would
-% have adopt a much more difficult approach (putting marks into the main
-% vertical list for the beginning and end of each change).
-%
-\def\|{%
- % \vadjust can only be used in horizontal mode.
- \leavevmode
- %
- % Append this vertical mode material after the current line in the output.
- \vadjust{%
- % We want to insert a rule with the height and depth of the current
- % leading; that is exactly what \strutbox is supposed to record.
- \vskip-\baselineskip
- %
- % \vadjust-items are inserted at the left edge of the type. So
- % the \llap here moves out into the left-hand margin.
- \llap{%
- %
- % For a thicker or thinner bar, change the `1pt'.
- \vrule height\baselineskip width1pt
- %
- % This is the space between the bar and the text.
- \hskip 12pt
- }%
- }%
-}
+\def\finalout{\overfullrule=0pt }
% Sometimes it is convenient to have everything in the transcript file
% and nothing on the terminal. We don't just call \tracingall here,
@@ -242,7 +222,7 @@
\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
@@ -253,6 +233,13 @@
\errorcontextlines16
}%
+% @errormsg{MSG}. Do the index-like expansions on MSG, but if things
+% aren't perfect, it's not the end of the world, being an error message,
+% after all.
+%
+\def\errormsg{\begingroup \indexnofonts \doerrormsg}
+\def\doerrormsg#1{\errmessage{#1}}
+
% 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.
%
@@ -263,7 +250,6 @@
\def\bigbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\bigskipamount
\removelastskip\penalty-200\bigskip\fi\fi}
-% For @cropmarks command.
% Do @cropmarks to get crop marks.
%
\newif\ifcropmarks
@@ -297,9 +283,9 @@
\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
@@ -338,10 +324,13 @@
%
% 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
@@ -354,7 +343,7 @@
% We don't want .vr (or whatever) entries like this:
% \entry{{\tt \indexbackslash }acronym}{32}{\code {\acronym}}
% "\acronym" won't work when it's read back in;
- % it needs to be
+ % it needs to be
% {\code {{\tt \backslashcurfont }acronym}
\shipout\vbox{%
% Do this early so pdf references go to the beginning of the page.
@@ -460,7 +449,7 @@
\def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm}
\def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm}
-% Each occurence of `\^^M' or `<space>\^^M' is replaced by a single space.
+% Each occurrence of `\^^M' or `<space>\^^M' is replaced by a single space.
%
% \argremovec might leave us with trailing space, e.g.,
% @end itemize @c foo
@@ -485,7 +474,7 @@
% to get _exactly_ the rest of the line, we had to prevent such situation.
% We prepended an \empty token at the very beginning and we expand it now,
% just before passing the control to \argtorun.
-% (Similarily, we have to think about #3 of \argcheckspacesY above: it is
+% (Similarly, we have to think about #3 of \argcheckspacesY above: it is
% either the null string, or it ends with \^^M---thus there is no danger
% that a pair of braces would be stripped.
%
@@ -542,12 +531,12 @@
% used to check whether the current environment is the one expected.
%
% Non-false conditionals (@iftex, @ifset) don't fit into this, so they
-% are not treated as enviroments; they don't open a group. (The
+% are not treated as environments; they don't open a group. (The
% implementation of @end takes care not to call \endgroup in this
% special case.)
-% At runtime, environments start with this:
+% At run-time, environments start with this:
\def\startenvironment#1{\begingroup\def\thisenv{#1}}
% initialize
\let\thisenv\empty
@@ -565,7 +554,7 @@
\fi
}
-% Evironment mismatch, #1 expected:
+% Environment mismatch, #1 expected:
\def\badenverr{%
\errhelp = \EMsimple
\errmessage{This command can appear only \inenvironment\temp,
@@ -573,7 +562,7 @@
}
\def\inenvironment#1{%
\ifx#1\empty
- out of any environment%
+ outside of any environment%
\else
in environment \expandafter\string#1%
\fi
@@ -585,7 +574,7 @@
\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
@@ -595,85 +584,6 @@
\newhelp\EMsimple{Press RETURN to continue.}
-%% Simple single-character @ commands
-
-% @@ prints an @
-% Kludge this until the fonts are right (grr).
-\def\@{{\tt\char64}}
-
-% This is turned off because it was never documented
-% and you can use @w{...} around a quote to suppress ligatures.
-%% Define @` and @' to be the same as ` and '
-%% but suppressing ligatures.
-%\def\`{{`}}
-%\def\'{{'}}
-
-% Used to generate quoted braces.
-\def\mylbrace {{\tt\char123}}
-\def\myrbrace {{\tt\char125}}
-\let\{=\mylbrace
-\let\}=\myrbrace
-\begingroup
- % Definitions to produce \{ and \} commands for indices,
- % and @{ and @} for the aux/toc files.
- \catcode`\{ = \other \catcode`\} = \other
- \catcode`\[ = 1 \catcode`\] = 2
- \catcode`\! = 0 \catcode`\\ = \other
- !gdef!lbracecmd[\{]%
- !gdef!rbracecmd[\}]%
- !gdef!lbraceatcmd[@{]%
- !gdef!rbraceatcmd[@}]%
-!endgroup
-
-% @comma{} to avoid , parsing problems.
-\let\comma = ,
-
-% Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent
-% Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H.
-\let\, = \c
-\let\dotaccent = \.
-\def\ringaccent#1{{\accent23 #1}}
-\let\tieaccent = \t
-\let\ubaraccent = \b
-\let\udotaccent = \d
-
-% Other special characters: @questiondown @exclamdown @ordf @ordm
-% Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss.
-\def\questiondown{?`}
-\def\exclamdown{!`}
-\def\ordf{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{a}}}
-\def\ordm{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{o}}}
-
-% Dotless i and dotless j, used for accents.
-\def\imacro{i}
-\def\jmacro{j}
-\def\dotless#1{%
- \def\temp{#1}%
- \ifx\temp\imacro \ptexi
- \else\ifx\temp\jmacro \j
- \else \errmessage{@dotless can be used only with i or j}%
- \fi\fi
-}
-
-% The \TeX{} logo, as in plain, but resetting the spacing so that a
-% period following counts as ending a sentence. (Idea found in latex.)
-%
-\edef\TeX{\TeX \spacefactor=1000 }
-
-% @LaTeX{} logo. Not quite the same results as the definition in
-% latex.ltx, since we use a different font for the raised A; it's most
-% convenient for us to use an explicitly smaller font, rather than using
-% the \scriptstyle font (since we don't reset \scriptstyle and
-% \scriptscriptstyle).
-%
-\def\LaTeX{%
- L\kern-.36em
- {\setbox0=\hbox{T}%
- \vbox to \ht0{\hbox{\selectfonts\lllsize A}\vss}}%
- \kern-.15em
- \TeX
-}
-
% Be sure we're in horizontal mode when doing a tie, since we make space
% equivalent to this in @example-like environments. Otherwise, a space
% at the beginning of a line will start with \penalty -- and
@@ -690,7 +600,7 @@
\def\:{\spacefactor=1000 }
% @* forces a line break.
-\def\*{\hfil\break\hbox{}\ignorespaces}
+\def\*{\unskip\hfil\break\hbox{}\ignorespaces}
% @/ allows a line break.
\let\/=\allowbreak
@@ -705,7 +615,7 @@
\def\?{?\spacefactor=\endofsentencespacefactor\space}
% @frenchspacing on|off says whether to put extra space after punctuation.
-%
+%
\def\onword{on}
\def\offword{off}
%
@@ -715,7 +625,7 @@
\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
}
@@ -797,15 +707,6 @@ where each line of input produces a line of output.}
\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.
@@ -869,7 +770,7 @@ where each line of input produces a line of output.}
% @inmargin{WHICH}{TEXT} puts TEXT in the WHICH margin next to the current
% paragraph. For more general purposes, use the \margin insertion
-% class. WHICH is `l' or `r'.
+% class. WHICH is `l' or `r'. Not documented, written for gawk manual.
%
\newskip\inmarginspacing \inmarginspacing=1cm
\def\strutdepth{\dp\strutbox}
@@ -916,15 +817,51 @@ where each line of input produces a line of output.}
\temp
}
-% @include file insert text of that file as input.
+% @| inserts a changebar to the left of the current line. It should
+% surround any changed text. This approach does *not* work if the
+% change spans more than two lines of output. To handle that, we would
+% have adopt a much more difficult approach (putting marks into the main
+% vertical list for the beginning and end of each change). This command
+% is not documented, not supported, and doesn't work.
+%
+\def\|{%
+ % \vadjust can only be used in horizontal mode.
+ \leavevmode
+ %
+ % Append this vertical mode material after the current line in the output.
+ \vadjust{%
+ % We want to insert a rule with the height and depth of the current
+ % leading; that is exactly what \strutbox is supposed to record.
+ \vskip-\baselineskip
+ %
+ % \vadjust-items are inserted at the left edge of the type. So
+ % the \llap here moves out into the left-hand margin.
+ \llap{%
+ %
+ % For a thicker or thinner bar, change the `1pt'.
+ \vrule height\baselineskip width1pt
+ %
+ % This is the space between the bar and the text.
+ \hskip 12pt
+ }%
+ }%
+}
+
+% @include FILE -- \input text of FILE.
%
\def\include{\parseargusing\filenamecatcodes\includezzz}
\def\includezzz#1{%
\pushthisfilestack
\def\thisfile{#1}%
{%
- \makevalueexpandable
- \def\temp{\input #1 }%
+ \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
+ % definitions, etc.
\expandafter
}\temp
\popthisfilestack
@@ -939,6 +876,8 @@ where each line of input produces a line of output.}
\catcode`>=\other
\catcode`+=\other
\catcode`-=\other
+ \catcode`\`=\other
+ \catcode`\'=\other
}
\def\pushthisfilestack{%
@@ -954,7 +893,7 @@ where each line of input produces a line of output.}
\def\popthisfilestack{\errthisfilestackempty}
\def\errthisfilestackempty{\errmessage{Internal error:
the stack of filenames is empty.}}
-
+%
\def\thisfile{}
% @center line
@@ -962,36 +901,46 @@ where each line of input produces a line of output.}
%
\parseargdef\center{%
\ifhmode
- \let\next\centerH
+ \let\centersub\centerH
\else
- \let\next\centerV
+ \let\centersub\centerV
\fi
- \next{\hfil \ignorespaces#1\unskip \hfil}%
+ \centersub{\hfil \ignorespaces#1\unskip \hfil}%
+ \let\centersub\relax % don't let the definition persist, just in case
}
-\def\centerH#1{%
- {%
- \hfil\break
- \advance\hsize by -\leftskip
- \advance\hsize by -\rightskip
- \line{#1}%
- \break
- }%
+\def\centerH#1{{%
+ \hfil\break
+ \advance\hsize by -\leftskip
+ \advance\hsize by -\rightskip
+ \line{#1}%
+ \break
+}}
+%
+\newcount\centerpenalty
+\def\centerV#1{%
+ % The idea here is the same as in \startdefun, \cartouche, etc.: if
+ % @center is the first thing after a section heading, we need to wipe
+ % out the negative parskip inserted by \sectionheading, but still
+ % prevent a page break here.
+ \centerpenalty = \lastpenalty
+ \ifnum\centerpenalty>10000 \vskip\parskip \fi
+ \ifnum\centerpenalty>9999 \penalty\centerpenalty \fi
+ \line{\kern\leftskip #1\kern\rightskip}%
}
-\def\centerV#1{\line{\kern\leftskip #1\kern\rightskip}}
% @sp n outputs n lines of vertical space
-
+%
\parseargdef\sp{\vskip #1\baselineskip}
% @comment ...line which is ignored...
% @c is the same as @comment
% @ignore ... @end ignore is another way to write a comment
-
+%
\def\comment{\begingroup \catcode`\^^M=\other%
\catcode`\@=\other \catcode`\{=\other \catcode`\}=\other%
\commentxxx}
{\catcode`\^^M=\other \gdef\commentxxx#1^^M{\endgroup}}
-
+%
\let\c=\comment
% @paragraphindent NCHARS
@@ -1063,115 +1012,17 @@ where each line of input produces a line of output.}
% paragraph.
%
\gdef\dosuppressfirstparagraphindent{%
- \gdef\indent{%
- \restorefirstparagraphindent
- \indent
- }%
- \gdef\noindent{%
- \restorefirstparagraphindent
- \noindent
- }%
- \global\everypar = {%
- \kern -\parindent
- \restorefirstparagraphindent
- }%
-}
-
-\gdef\restorefirstparagraphindent{%
- \global \let \indent = \ptexindent
- \global \let \noindent = \ptexnoindent
- \global \everypar = {}%
-}
-
-
-% @asis just yields its argument. Used with @table, for example.
-%
-\def\asis#1{#1}
-
-% @math outputs its argument in math mode.
-%
-% One complication: _ usually means subscripts, but it could also mean
-% an actual _ character, as in @math{@var{some_variable} + 1}. So make
-% _ active, and distinguish by seeing if the current family is \slfam,
-% which is what @var uses.
-{
- \catcode`\_ = \active
- \gdef\mathunderscore{%
- \catcode`\_=\active
- \def_{\ifnum\fam=\slfam \_\else\sb\fi}%
- }
+ \gdef\indent {\restorefirstparagraphindent \indent}%
+ \gdef\noindent{\restorefirstparagraphindent \noindent}%
+ \global\everypar = {\kern -\parindent \restorefirstparagraphindent}%
}
-% Another complication: we want \\ (and @\) to output a \ character.
-% FYI, plain.tex uses \\ as a temporary control sequence (why?), but
-% this is not advertised and we don't care. Texinfo does not
-% otherwise define @\.
-%
-% The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\.
-\def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi}
%
-\def\math{%
- \tex
- \mathunderscore
- \let\\ = \mathbackslash
- \mathactive
- $\finishmath
-}
-\def\finishmath#1{#1$\endgroup} % Close the group opened by \tex.
-
-% 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 sets 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{$\ptexbullet$}
-\def\minus{$-$}
-
-% @dots{} outputs an ellipsis using the current font.
-% We do .5em per period so that it has the same spacing in the cm
-% typewriter fonts as three actual period characters; on the other hand,
-% in other typewriter fonts three periods are wider than 1.5em. So do
-% whichever is larger.
-%
-\def\dots{%
- \leavevmode
- \setbox0=\hbox{...}% get width of three periods
- \ifdim\wd0 > 1.5em
- \dimen0 = \wd0
- \else
- \dimen0 = 1.5em
- \fi
- \hbox to \dimen0{%
- \hskip 0pt plus.25fil
- .\hskip 0pt plus1fil
- .\hskip 0pt plus1fil
- .\hskip 0pt plus.5fil
- }%
-}
-
-% @enddots{} is an end-of-sentence ellipsis.
-%
-\def\enddots{%
- \dots
- \spacefactor=\endofsentencespacefactor
+\gdef\restorefirstparagraphindent{%
+ \global\let\indent = \ptexindent
+ \global\let\noindent = \ptexnoindent
+ \global\everypar = {}%
}
-% @comma{} is so commas can be inserted into text without messing up
-% Texinfo's parsing.
-%
-\let\comma = ,
% @refill is a no-op.
\let\refill=\relax
@@ -1237,9 +1088,8 @@ where each line of input produces a line of output.}
\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
@@ -1254,50 +1104,24 @@ where each line of input produces a line of output.}
% for display in the outlines, and in other places. Thus, we have to
% double any backslashes. Otherwise, a name like "\node" will be
% interpreted as a newline (\n), followed by o, d, e. Not good.
-% http://www.ntg.nl/pipermail/ntg-pdftex/2004-July/000654.html
-% (and related messages, the final outcome is that it is up to the TeX
-% user to double the backslashes and otherwise make the string valid, so
-% that's what we do).
-
-% double active backslashes.
%
-{\catcode`\@=0 \catcode`\\=\active
- @gdef@activebackslashdouble{%
- @catcode`@\=@active
- @let\=@doublebackslash}
-}
-
-% To handle parens, we must adopt a different approach, since parens are
-% not active characters. hyperref.dtx (which has the same problem as
-% us) handles it with this amazing macro to replace tokens, with minor
-% changes for Texinfo. It is included here under the GPL by permission
-% from the author, Heiko Oberdiek.
-%
-% #1 is the tokens to replace.
-% #2 is the replacement.
-% #3 is the control sequence with the string.
-%
-\def\HyPsdSubst#1#2#3{%
- \def\HyPsdReplace##1#1##2\END{%
- ##1%
- \ifx\\##2\\%
- \else
- #2%
- \HyReturnAfterFi{%
- \HyPsdReplace##2\END
- }%
- \fi
- }%
- \xdef#3{\expandafter\HyPsdReplace#3#1\END}%
-}
-\long\def\HyReturnAfterFi#1\fi{\fi#1}
-
-% #1 is a control sequence in which to do the replacements.
-\def\backslashparens#1{%
- \xdef#1{#1}% redefine it as its expansion; the definition is simply
- % \lastnode when called from \setref -> \pdfmkdest.
- \HyPsdSubst{(}{\realbackslash(}{#1}%
- \HyPsdSubst{)}{\realbackslash)}{#1}%
+% See http://www.ntg.nl/pipermail/ntg-pdftex/2004-July/000654.html and
+% related messages. The final outcome is that it is up to the TeX user
+% to double the backslashes and otherwise make the string valid, so
+% that's what we do. pdftex 1.30.0 (ca.2005) introduced a primitive to
+% do this reliably, so we use it.
+
+% #1 is a control sequence in which to do the replacements,
+% which we \xdef.
+\def\txiescapepdf#1{%
+ \ifx\pdfescapestring\thisisundefined
+ % No primitive available; should we give a warning or log?
+ % Many times it won't matter.
+ \else
+ % The expandable \pdfescapestring primitive escapes parentheses,
+ % backslashes, and other special chars.
+ \xdef#1{\pdfescapestring{#1}}%
+ \fi
}
\newhelp\nopdfimagehelp{Texinfo supports .png, .jpg, .jpeg, and .pdf images
@@ -1307,11 +1131,19 @@ output) for that.)}
\ifpdf
%
- % Color manipulation macros based on pdfcolor.tex.
- \def\cmykDarkRed{0.28 1 1 0.35}
- \def\cmykBlack{0 0 0 1}
+ % Color manipulation macros using ideas from pdfcolor.tex,
+ % except using rgb instead of cmyk; the latter is said to render as a
+ % very dark gray on-screen and a very dark halftone in print, instead
+ % of actual black. The dark red here is dark enough to print on paper as
+ % nearly black, but still distinguishable for online viewing. We use
+ % black by default, though.
+ \def\rgbDarkRed{0.50 0.09 0.12}
+ \def\rgbBlack{0 0 0}
+ %
+ % k sets the color for filling (usual text, etc.);
+ % K sets the color for stroking (thin rules, e.g., normal _'s).
+ \def\pdfsetcolor#1{\pdfliteral{#1 rg #1 RG}}
%
- \def\pdfsetcolor#1{\pdfliteral{#1 k}}
% Set color, and create a mark which defines \thiscolor accordingly,
% so that \makeheadline knows which color to restore.
\def\setcolor#1{%
@@ -1320,7 +1152,7 @@ output) for that.)}
\pdfsetcolor{#1}%
}
%
- \def\maincolor{\cmykBlack}
+ \def\maincolor{\rgbBlack}
\pdfsetcolor{\maincolor}
\edef\thiscolor{\maincolor}
\def\lastcolordefs{}
@@ -1350,42 +1182,47 @@ output) for that.)}
%
% #1 is image name, #2 width (might be empty/whitespace), #3 height (ditto).
\def\dopdfimage#1#2#3{%
- \def\imagewidth{#2}\setbox0 = \hbox{\ignorespaces #2}%
- \def\imageheight{#3}\setbox2 = \hbox{\ignorespaces #3}%
+ \def\pdfimagewidth{#2}\setbox0 = \hbox{\ignorespaces #2}%
+ \def\pdfimageheight{#3}\setbox2 = \hbox{\ignorespaces #3}%
%
- % pdftex (and the PDF format) support .png, .jpg, .pdf (among
- % others). Let's try in that order.
+ % pdftex (and the PDF format) support .pdf, .png, .jpg (among
+ % others). Let's try in that order, PDF first since if
+ % someone has a scalable image, presumably better to use that than a
+ % bitmap.
\let\pdfimgext=\empty
\begingroup
- \openin 1 #1.png \ifeof 1
- \openin 1 #1.jpg \ifeof 1
- \openin 1 #1.jpeg \ifeof 1
- \openin 1 #1.JPG \ifeof 1
- \openin 1 #1.pdf \ifeof 1
- \errhelp = \nopdfimagehelp
- \errmessage{Could not find image file #1 for pdf}%
- \else \gdef\pdfimgext{pdf}%
+ \openin 1 #1.pdf \ifeof 1
+ \openin 1 #1.PDF \ifeof 1
+ \openin 1 #1.png \ifeof 1
+ \openin 1 #1.jpg \ifeof 1
+ \openin 1 #1.jpeg \ifeof 1
+ \openin 1 #1.JPG \ifeof 1
+ \errhelp = \nopdfimagehelp
+ \errmessage{Could not find image file #1 for pdf}%
+ \else \gdef\pdfimgext{JPG}%
+ \fi
+ \else \gdef\pdfimgext{jpeg}%
\fi
- \else \gdef\pdfimgext{JPG}%
+ \else \gdef\pdfimgext{jpg}%
\fi
- \else \gdef\pdfimgext{jpeg}%
+ \else \gdef\pdfimgext{png}%
\fi
- \else \gdef\pdfimgext{jpg}%
+ \else \gdef\pdfimgext{PDF}%
\fi
- \else \gdef\pdfimgext{png}%
+ \else \gdef\pdfimgext{pdf}%
\fi
\closein 1
\endgroup
%
- % without \immediate, pdftex seg faults when the same image is
+ % without \immediate, ancient pdftex seg faults when the same image is
% included twice. (Version 3.14159-pre-1.0-unofficial-20010704.)
\ifnum\pdftexversion < 14
\immediate\pdfimage
\else
\immediate\pdfximage
\fi
- \ifdim \wd0 >0pt width \imagewidth \fi
- \ifdim \wd2 >0pt height \imageheight \fi
+ \ifdim \wd0 >0pt width \pdfimagewidth \fi
+ \ifdim \wd2 >0pt height \pdfimageheight \fi
\ifnum\pdftexversion<13
#1.\pdfimgext
\else
@@ -1400,20 +1237,18 @@ output) for that.)}
% such as \, aren't expanded when present in a section title.
\indexnofonts
\turnoffactive
- \activebackslashdouble
\makevalueexpandable
\def\pdfdestname{#1}%
- \backslashparens\pdfdestname
+ \txiescapepdf\pdfdestname
\safewhatsit{\pdfdest name{\pdfdestname} xyz}%
}}
%
% used to mark target names; must be expandable.
\def\pdfmkpgn#1{#1}
%
- % by default, use a color that is dark enough to print on paper as
- % nearly black, but still distinguishable for online viewing.
- \def\urlcolor{\cmykDarkRed}
- \def\linkcolor{\cmykDarkRed}
+ % by default, use black for everything.
+ \def\urlcolor{\rgbBlack}
+ \def\linkcolor{\rgbBlack}
\def\endlink{\setcolor{\maincolor}\pdfendlink}
%
% Adding outlines to PDF; macros for calculating structure of outlines
@@ -1435,29 +1270,24 @@ output) for that.)}
% page number. We could generate a destination for the section
% text in the case where a section has no node, but it doesn't
% seem worth the trouble, since most documents are normally structured.
- \def\pdfoutlinedest{#3}%
+ \edef\pdfoutlinedest{#3}%
\ifx\pdfoutlinedest\empty
\def\pdfoutlinedest{#4}%
\else
- % Doubled backslashes in the name.
- {\activebackslashdouble \xdef\pdfoutlinedest{#3}%
- \backslashparens\pdfoutlinedest}%
+ \txiescapepdf\pdfoutlinedest
\fi
%
- % Also double the backslashes in the display string.
- {\activebackslashdouble \xdef\pdfoutlinetext{#1}%
- \backslashparens\pdfoutlinetext}%
+ % Also escape PDF chars in the display string.
+ \edef\pdfoutlinetext{#1}%
+ \txiescapepdf\pdfoutlinetext
%
\pdfoutline goto name{\pdfmkpgn{\pdfoutlinedest}}#2{\pdfoutlinetext}%
}
%
\def\pdfmakeoutlines{%
\begingroup
- % Thanh's hack / proper braces in bookmarks
- \edef\mylbrace{\iftrue \string{\else}\fi}\let\{=\mylbrace
- \edef\myrbrace{\iffalse{\else\string}\fi}\let\}=\myrbrace
- %
% Read toc silently, to get counts of subentries for \pdfoutline.
+ \def\partentry##1##2##3##4{}% ignore parts in the outlines
\def\numchapentry##1##2##3##4{%
\def\thischapnum{##2}%
\def\thissecnum{0}%
@@ -1511,25 +1341,41 @@ output) for that.)}
% Latin 2 (0xea) gets translated to a | character. Info from
% Staszek Wawrykiewicz, 19 Jan 2004 04:09:24 +0100.
%
- % xx to do this right, we have to translate 8-bit characters to
- % their "best" equivalent, based on the @documentencoding. Right
- % now, I guess we'll just let the pdf reader have its way.
+ % TODO this right, we have to translate 8-bit characters to
+ % their "best" equivalent, based on the @documentencoding. Too
+ % much work for too little return. Just use the ASCII equivalents
+ % we use for the index sort strings.
+ %
\indexnofonts
\setupdatafile
+ % We can have normal brace characters in the PDF outlines, unlike
+ % Texinfo index files. So set that up.
+ \def\{{\lbracecharliteral}%
+ \def\}{\rbracecharliteral}%
\catcode`\\=\active \otherbackslash
\input \tocreadfilename
\endgroup
}
+ {\catcode`[=1 \catcode`]=2
+ \catcode`{=\other \catcode`}=\other
+ \gdef\lbracecharliteral[{]%
+ \gdef\rbracecharliteral[}]%
+ ]
%
\def\skipspaces#1{\def\PP{#1}\def\D{|}%
\ifx\PP\D\let\nextsp\relax
\else\let\nextsp\skipspaces
- \ifx\p\space\else\addtokens{\filename}{\PP}%
- \advance\filenamelength by 1
- \fi
+ \addtokens{\filename}{\PP}%
+ \advance\filenamelength by 1
\fi
\nextsp}
- \def\getfilename#1{\filenamelength=0\expandafter\skipspaces#1|\relax}
+ \def\getfilename#1{%
+ \filenamelength=0
+ % If we don't expand the argument now, \skipspaces will get
+ % snagged on things like "@value{foo}".
+ \edef\temp{#1}%
+ \expandafter\skipspaces\temp|\relax
+ }
\ifnum\pdftexversion < 14
\let \startlink \pdfannotlink
\else
@@ -1542,11 +1388,15 @@ output) for that.)}
% tried to figure out what each command should do in the context
% of @url. for now, just make @/ a no-op, that's the only one
% people have actually reported a problem with.
- %
+ %
\normalturnoffactive
\def\@{@}%
\let\/=\empty
\makevalueexpandable
+ % do we want to go so far as to use \indexnofonts instead of just
+ % special-casing \var here?
+ \def\var##1{##1}%
+ %
\leavevmode\setcolor{\urlcolor}%
\startlink attr{/Border [0 0 0]}%
user{/Subtype /Link /A << /S /URI /URI (#1) >>}%
@@ -1577,6 +1427,7 @@ output) for that.)}
\setcolor{\linkcolor}#1\endlink}
\def\done{\edef\st{\global\noexpand\toksA={\the\toksB}}\st}
\else
+ % non-pdf mode
\let\pdfmkdest = \gobble
\let\pdfurl = \gobble
\let\endlink = \relax
@@ -1607,6 +1458,10 @@ output) for that.)}
\def\bf{\fam=\bffam \setfontstyle{bf}}\def\bfstylename{bf}
\def\tt{\fam=\ttfam \setfontstyle{tt}}
+% Unfortunately, we have to override this for titles and the like, since
+% in those cases "rm" is bold. Sigh.
+\def\rmisbold{\rm\def\curfontstyle{bf}}
+
% Texinfo sort of supports the sans serif font style, which plain TeX does not.
% So we set up a \sf.
\newfam\sffam
@@ -1617,9 +1472,6 @@ output) for that.)}
\def\ttsl{\setfontstyle{ttsl}}
-% Default leading.
-\newdimen\textleading \textleading = 13.2pt
-
% Set the baselineskip to #1, and the lineskip and strut size
% correspondingly. There is no deep meaning behind these magic numbers
% used as factors; they just match (closely enough) what Knuth defined.
@@ -1631,6 +1483,7 @@ output) for that.)}
% can get a sort of poor man's double spacing by redefining this.
\def\baselinefactor{1}
%
+\newdimen\textleading
\def\setleading#1{%
\dimen0 = #1\relax
\normalbaselineskip = \baselinefactor\dimen0
@@ -1642,11 +1495,17 @@ output) for that.)}
}%
}
-%
% PDF CMaps. See also LaTeX's t1.cmap.
%
-% \cmapOT1
-\ifpdf
+% do nothing with this by default.
+\expandafter\let\csname cmapOT1\endcsname\gobble
+\expandafter\let\csname cmapOT1IT\endcsname\gobble
+\expandafter\let\csname cmapOT1TT\endcsname\gobble
+
+% 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\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
@@ -1894,35 +1753,37 @@ end
\expandafter\edef\csname cmapOT1TT\endcsname#1{%
\pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}%
}%
-\else
- \expandafter\let\csname cmapOT1\endcsname\gobble
- \expandafter\let\csname cmapOT1IT\endcsname\gobble
- \expandafter\let\csname cmapOT1TT\endcsname\gobble
-\fi
+\fi\fi
-% Set the font macro #1 to the font named #2, adding on the
-% specified font prefix (normally `cm').
+% Set the font macro #1 to the font named \fontprefix#2.
% #3 is the font's design size, #4 is a scale factor, #5 is the CMap
-% encoding (currently only OT1, OT1IT and OT1TT are allowed, pass
-% empty to omit).
+% encoding (only OT1, OT1IT and OT1TT are allowed, or empty to omit).
+% Example:
+% #1 = \textrm
+% #2 = \rmshape
+% #3 = 10
+% #4 = \mainmagstep
+% #5 = OT1
+%
\def\setfont#1#2#3#4#5{%
\font#1=\fontprefix#2#3 scaled #4
\csname cmap#5\endcsname#1%
}
% This is what gets called when #5 of \setfont is empty.
\let\cmap\gobble
-
+%
+% (end of cmaps)
% 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.
\def\rmshape{r}
-\def\rmbshape{bx} %where the normal face is bold
+\def\rmbshape{bx} % where the normal face is bold
\def\bfshape{b}
\def\bxshape{bx}
\def\ttshape{tt}
@@ -1937,9 +1798,8 @@ end
\def\scshape{csc}
\def\scbshape{csc}
-% Definitions for a main text size of 11pt. This is the default in
-% Texinfo.
-%
+% Definitions for a main text size of 11pt. (The default in Texinfo.)
+%
\def\definetextfontsizexi{%
% Text fonts (11.2pt, magstep1).
\def\textnominalsize{11pt}
@@ -2002,8 +1862,6 @@ end
\setfont\titlesc\scbshape{10}{\magstep4}{OT1}
\font\titlei=cmmi12 scaled \magstep3
\font\titlesy=cmsy10 scaled \magstep4
-\def\authorrm{\secrm}
-\def\authortt{\sectt}
\def\titleecsize{2074}
% Chapter (and unnumbered) fonts (17.28pt).
@@ -2062,17 +1920,17 @@ end
\font\reducedsy=cmsy10
\def\reducedecsize{1000}
-% reset the current fonts
-\textfonts
+\textleading = 13.2pt % line spacing for 11pt CM
+\textfonts % reset the current fonts
\rm
-} % end of 11pt text font size definitions
+} % end of 11pt text font size definitions, \definetextfontsizexi
% Definitions to make the main text be 10pt Computer Modern, with
% section, chapter, etc., sizes following suit. This is for the GNU
% Press printing of the Emacs 22 manual. Maybe other manuals in the
% future. Used with @smallbook, which sets the leading to 12pt.
-%
+%
\def\definetextfontsizex{%
% Text fonts (10pt).
\def\textnominalsize{10pt}
@@ -2135,8 +1993,6 @@ end
\setfont\titlesc\scbshape{10}{\magstep4}{OT1}
\font\titlei=cmmi12 scaled \magstep3
\font\titlesy=cmsy10 scaled \magstep4
-\def\authorrm{\secrm}
-\def\authortt{\sectt}
\def\titleecsize{2074}
% Chapter fonts (14.4pt).
@@ -2163,7 +2019,7 @@ end
\setfont\secsf\sfbshape{12}{1000}{OT1}
\let\secbf\secrm
\setfont\secsc\scbshape{10}{\magstep1}{OT1}
-\font\seci=cmmi12
+\font\seci=cmmi12
\font\secsy=cmsy10 scaled \magstep1
\def\sececsize{1200}
@@ -2195,29 +2051,28 @@ end
\font\reducedsy=cmsy9
\def\reducedecsize{0900}
-% reduce space between paragraphs
-\divide\parskip by 2
-
-% reset the current fonts
-\textfonts
+\divide\parskip by 2 % reduce space between paragraphs
+\textleading = 12pt % line spacing for 10pt CM
+\textfonts % reset the current fonts
\rm
-} % end of 10pt text font size definitions
+} % end of 10pt text font size definitions, \definetextfontsizex
% We provide the user-level command
% @fonttextsize 10
% (or 11) to redefine the text font size. pt is assumed.
-%
-\def\xword{10}
+%
\def\xiword{11}
+\def\xword{10}
+\def\xwordpt{10pt}
%
\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.
- %
+ %
\begingroup \globaldefs=1
\ifx\textsizearg\xword \definetextfontsizex
\else \ifx\textsizearg\xiword \definetextfontsizexi
@@ -2228,12 +2083,9 @@ end
\endgroup
}
-
% In order for the font changes to affect most math symbols and letters,
-% we have to define the \textfont of the standard families. Since
-% texinfo doesn't allow for producing subscripts and superscripts except
-% in the main text, we don't bother to reset \scriptfont and
-% \scriptscriptfont (which would also require loading a lot more fonts).
+% we have to define the \textfont of the standard families. We don't
+% bother to reset \scriptfont and \scriptscriptfont; awaiting user need.
%
\def\resetmathfonts{%
\textfont0=\tenrm \textfont1=\teni \textfont2=\tensy
@@ -2247,8 +2099,8 @@ end
% \tenSTYLE to set the current font.
%
% Each font-changing command also sets the names \lsize (one size lower)
-% and \lllsize (three sizes lower). These relative commands are used in
-% the LaTeX logo and acronyms.
+% and \lllsize (three sizes lower). These relative commands are used
+% in, e.g., the LaTeX logo and acronyms.
%
% This all needs generalizing, badly.
%
@@ -2267,8 +2119,8 @@ end
\let\tenttsl=\titlettsl
\def\curfontsize{title}%
\def\lsize{chap}\def\lllsize{subsec}%
- \resetmathfonts \setleading{25pt}}
-\def\titlefont#1{{\titlefonts\rm #1}}
+ \resetmathfonts \setleading{27pt}}
+\def\titlefont#1{{\titlefonts\rmisbold #1}}
\def\chapfonts{%
\let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl
\let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc
@@ -2284,7 +2136,7 @@ end
\let\tenttsl=\secttsl
\def\curfontsize{sec}%
\def\lsize{subsec}\def\lllsize{reduced}%
- \resetmathfonts \setleading{16pt}}
+ \resetmathfonts \setleading{17pt}}
\def\subsecfonts{%
\let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl
\let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc
@@ -2319,6 +2171,16 @@ end
\def\lsize{smaller}\def\lllsize{smaller}%
\resetmathfonts \setleading{9.5pt}}
+% Fonts for short table of contents.
+\setfont\shortcontrm\rmshape{12}{1000}{OT1}
+\setfont\shortcontbf\bfshape{10}{\magstep1}{OT1} % no cmb12
+\setfont\shortcontsl\slshape{12}{1000}{OT1}
+\setfont\shortconttt\ttshape{12}{1000}{OT1TT}
+
+% Define these just so they can be easily changed for other fonts.
+\def\angleleft{$\langle$}
+\def\angleright{$\rangle$}
+
% Set the fonts to use with the @small... environments.
\let\smallexamplefonts = \smallfonts
@@ -2332,53 +2194,215 @@ end
%
% By the way, for comparison, here's what fits with @example (10pt):
% 8.5x11=71 smallbook=60 a4=75 a5=58
-%
-% I wish the USA used A4 paper.
% --karl, 24jan03.
-
% Set up the default fonts, so we can use them for creating boxes.
%
\definetextfontsizexi
-% Define these so they can be easily changed for other fonts.
-\def\angleleft{$\langle$}
-\def\angleright{$\rangle$}
+
+\message{markup,}
+
+% Check if we are currently using a typewriter font. Since all the
+% Computer Modern typewriter fonts have zero interword stretch (and
+% shrink), and it is reasonable to expect all typewriter fonts to have
+% this property, we can check that font parameter.
+%
+\def\ifmonospace{\ifdim\fontdimen3\font=0pt }
+
+% Markup style infrastructure. \defmarkupstylesetup\INITMACRO will
+% define and register \INITMACRO to be called on markup style changes.
+% \INITMACRO can check \currentmarkupstyle for the innermost
+% style and the set of \ifmarkupSTYLE switches for all styles
+% currently in effect.
+\newif\ifmarkupvar
+\newif\ifmarkupsamp
+\newif\ifmarkupkey
+%\newif\ifmarkupfile % @file == @samp.
+%\newif\ifmarkupoption % @option == @samp.
+\newif\ifmarkupcode
+\newif\ifmarkupkbd
+%\newif\ifmarkupenv % @env == @code.
+%\newif\ifmarkupcommand % @command == @code.
+\newif\ifmarkuptex % @tex (and part of @math, for now).
+\newif\ifmarkupexample
+\newif\ifmarkupverb
+\newif\ifmarkupverbatim
+
+\let\currentmarkupstyle\empty
+
+\def\setupmarkupstyle#1{%
+ \csname markup#1true\endcsname
+ \def\currentmarkupstyle{#1}%
+ \markupstylesetup
+}
+
+\let\markupstylesetup\empty
+
+\def\defmarkupstylesetup#1{%
+ \expandafter\def\expandafter\markupstylesetup
+ \expandafter{\markupstylesetup #1}%
+ \def#1%
+}
+
+% Markup style setup for left and right quotes.
+\defmarkupstylesetup\markupsetuplq{%
+ \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
+ \ifx\temp\relax \markupsetuprqdefault \else \temp \fi
+}
+
+{
+\catcode`\'=\active
+\catcode`\`=\active
+
+\gdef\markupsetuplqdefault{\let`\lq}
+\gdef\markupsetuprqdefault{\let'\rq}
+
+\gdef\markupsetcodequoteleft{\let`\codequoteleft}
+\gdef\markupsetcodequoteright{\let'\codequoteright}
+}
+
+\let\markupsetuplqcode \markupsetcodequoteleft
+\let\markupsetuprqcode \markupsetcodequoteright
+%
+\let\markupsetuplqexample \markupsetcodequoteleft
+\let\markupsetuprqexample \markupsetcodequoteright
+%
+\let\markupsetuplqkbd \markupsetcodequoteleft
+\let\markupsetuprqkbd \markupsetcodequoteright
+%
+\let\markupsetuplqsamp \markupsetcodequoteleft
+\let\markupsetuprqsamp \markupsetcodequoteright
+%
+\let\markupsetuplqverb \markupsetcodequoteleft
+\let\markupsetuprqverb \markupsetcodequoteright
+%
+\let\markupsetuplqverbatim \markupsetcodequoteleft
+\let\markupsetuprqverbatim \markupsetcodequoteright
+
+% 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
+ \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax
+ '%
+ \else \char'15 \fi
+ \else \char'15 \fi
+}
+%
+% and a similar option for the left quote char vs. a grave accent.
+% Modern fonts display ASCII 0x60 as a grave accent, so some people like
+% the code environments to do likewise.
+%
+\def\codequoteleft{%
+ \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax
+ \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax
+ % [Knuth] pp. 380,381,391
+ % \relax disables Spanish ligatures ?` and !` of \tt font.
+ \relax`%
+ \else \char'22 \fi
+ \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}
% Count depth in font-changes, for error checks
\newcount\fontdepth \fontdepth=0
-% Fonts for short table of contents.
-\setfont\shortcontrm\rmshape{12}{1000}{OT1}
-\setfont\shortcontbf\bfshape{10}{\magstep1}{OT1} % no cmb12
-\setfont\shortcontsl\slshape{12}{1000}{OT1}
-\setfont\shortconttt\ttshape{12}{1000}{OT1TT}
+% Font commands.
-%% Add scribe-like font environments, plus @l for inline lisp (usually sans
-%% serif) and @ii for TeX italic
+% #1 is the font command (\sl or \it), #2 is the text to slant.
+% If we are in a monospaced environment, however, 1) always use \ttsl,
+% and 2) do not add an italic correction.
+\def\dosmartslant#1#2{%
+ \ifusingtt
+ {{\ttsl #2}\let\next=\relax}%
+ {\def\next{{#1#2}\futurelet\next\smartitaliccorrection}}%
+ \next
+}
+\def\smartslanted{\dosmartslant\sl}
+\def\smartitalic{\dosmartslant\it}
-% \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
- \ptexslash\fi\fi\fi}
-\def\smartslanted#1{{\ifusingtt\ttsl\sl #1}\futurelet\next\smartitalicx}
-\def\smartitalic#1{{\ifusingtt\ttsl\it #1}\futurelet\next\smartitalicx}
+% Output an italic correction unless \next (presumed to be the following
+% character) is such as not to need one.
+\def\smartitaliccorrection{%
+ \ifx\next,%
+ \else\ifx\next-%
+ \else\ifx\next.%
+ \else\ifx\next\.%
+ \else\ifx\next\comma%
+ \else\ptexslash
+ \fi\fi\fi\fi\fi
+ \aftersmartic
+}
-% like \smartslanted except unconditionally uses \ttsl.
-% @var is set to this for defun arguments.
-\def\ttslanted#1{{\ttsl #1}\futurelet\next\smartitalicx}
+% Unconditional use \ttsl, and no ic. @var is set to this for defuns.
+\def\ttslanted#1{{\ttsl #1}}
-% like \smartslanted except unconditionally use \sl. We never want
+% @cite is like \smartslanted except unconditionally use \sl. We never want
% ttsl for book titles, do we?
-\def\cite#1{{\sl #1}\futurelet\next\smartitalicx}
+\def\cite#1{{\sl #1}\futurelet\next\smartitaliccorrection}
+
+\def\aftersmartic{}
+\def\var#1{%
+ \let\saveaftersmartic = \aftersmartic
+ \def\aftersmartic{\null\let\aftersmartic=\saveaftersmartic}%
+ \smartslanted{#1}%
+}
\let\i=\smartitalic
\let\slanted=\smartslanted
-\let\var=\smartslanted
\let\dfn=\smartslanted
\let\emph=\smartitalic
-% @b, explicit bold.
+% Explicit font changes: @r, @sc, undocumented @ii.
+\def\r#1{{\rm #1}} % roman font
+\def\sc#1{{\smallcaps#1}} % smallcaps font
+\def\ii#1{{\it #1}} % italic font
+
+% @b, explicit bold. Also @strong.
\def\b#1{{\bf #1}}
\let\strong=\b
@@ -2410,30 +2434,21 @@ end
\catcode`@=\other
\def\endofsentencespacefactor{3000}% default
+% @t, explicit typewriter.
\def\t#1{%
{\tt \rawbackslash \plainfrenchspacing #1}%
\null
}
-\def\samp#1{`\tclose{#1}'\null}
-\setfont\keyrm\rmshape{8}{1000}{OT1}
-\font\keysy=cmsy9
-\def\key#1{{\keyrm\textfont2=\keysy \leavevmode\hbox{%
- \raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{%
- \vbox{\hrule\kern-0.4pt
- \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}%
- \kern-0.4pt\hrule}%
- \kern-.06em\raise0.4pt\hbox{\angleright}}}}
-\def\key #1{{\nohyphenation \uppercase{#1}}\null}
-% The old definition, with no lozenge:
-%\def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null}
-\def\ctrl #1{{\tt \rawbackslash \hat}#1}
-% @file, @option are the same as @samp.
-\let\file=\samp
-\let\option=\samp
+% @samp.
+\def\samp#1{{\setupmarkupstyle{samp}\lq\tclose{#1}\rq\null}}
+
+% @indicateurl is \samp, that is, with quotes.
+\let\indicateurl=\samp
-% @code is a modification of @t,
-% which makes spaces the same size as normal in the surrounding text.
+% @code (and similar) prints in typewriter, but with spaces the same
+% size as normal in the surrounding text, without hyphenation, etc.
+% This is a subroutine for that.
\def\tclose#1{%
{%
% Change normal interword space to be same as for the current font.
@@ -2452,40 +2467,63 @@ end
\plainfrenchspacing
#1%
}%
- \null
+ \null % reset spacefactor to 1000
}
% 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
+ \global\let'=\rq \global\let`=\lq % default definitions
%
\global\def\code{\begingroup
- \catcode\rquoteChar=\active \catcode\lquoteChar=\active
- \let'\codequoteright \let`\codequoteleft
- %
+ \setupmarkupstyle{code}%
+ % The following should really be moved into \setupmarkupstyle handlers.
\catcode\dashChar=\active \catcode\underChar=\active
\ifallowcodebreaks
\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.)
@@ -2497,13 +2535,12 @@ end
\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
-% 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
\def\keywordtrue{true}
@@ -2517,75 +2554,135 @@ end
\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.
-
-% @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\look}}\fi
-\else{\tclose{\kbdfont\look}}\fi}
-
-% For @indicateurl, @env, @command quotes seem unnecessary, so use \code.
-\let\indicateurl=\code
-\let\env=\code
+% For @command, @env, @file, @option quotes seem unnecessary,
+% so use \code rather than \samp.
\let\command=\code
-
-% @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
+\let\env=\code
+\let\file=\code
+\let\option=\code
+
+% @uref (abbreviation for `urlref') aka @url 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.
+
+% TeX-only option to allow changing PDF output to show only the second
+% arg (if given), and not the url (which is then just the link target).
+\newif\ifurefurlonlylink
+
+% The main macro is \urefbreak, which allows breaking at expected
+% places within the url. (There used to be another version, which
+% didn't support automatic breaking.)
+\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}%
+ \setbox0 = \hbox{\ignorespaces #2}% look for second arg
\ifdim\wd0 > 0pt
\ifpdf
- \unhbox0 % PDF: 2nd arg given, show only it
+ \ifurefurlonlylink
+ % PDF plus option to not display url, show just arg
+ \unhbox0
+ \else
+ % PDF, normally display both arg and url for consistency,
+ % visibility, if the pdf is eventually used to print, etc.
+ \unhbox0\ (\urefcode{#1})%
+ \fi
\else
- \unhbox0\ (\code{#1})% DVI: 2nd arg given, show both it and url
+ \unhbox0\ (\urefcode{#1})% DVI, always show arg and url
\fi
\else
- \code{#1}% only url given, so show it
+ \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\urefprestretchamount{.13em}
+\def\urefpoststretchamount{.1em}
+\def\urefprestretch{\urefprebreak \hskip0pt plus\urefprestretchamount\relax}
+\def\urefpoststretch{\urefpostbreak \hskip0pt plus\urefprestretchamount\relax}
+%
+\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
@@ -2607,34 +2704,81 @@ end
\let\email=\uref
\fi
-% Check if we are currently using a typewriter font. Since all the
-% Computer Modern typewriter fonts have zero interword stretch (and
-% shrink), and it is reasonable to expect all typewriter fonts to have
-% this property, we can check that font parameter.
-%
-\def\ifmonospace{\ifdim\fontdimen3\font=0pt }
+% @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
+
+% @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\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}
+%\font\keysy=cmsy9
+%\def\key#1{{\keyrm\textfont2=\keysy \leavevmode\hbox{%
+% \raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{%
+% \vbox{\hrule\kern-0.4pt
+% \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}%
+% \kern-0.4pt\hrule}%
+% \kern-.06em\raise0.4pt\hbox{\angleright}}}}
+
+% definition of @key with no lozenge. If the current font is already
+% monospace, don't change it; that way, we respect @kbdinputstyle. But
+% if it isn't monospace, then use \tt.
+%
+\def\key#1{{\setupmarkupstyle{key}%
+ \nohyphenation
+ \ifmonospace\else\tt\fi
+ #1}\null}
+
+% @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.
%
\def\dmn#1{\thinspace #1}
-\def\kbd#1{\def\look{#1}\expandafter\kbdfoo\look??\par}
-
% @l was never documented to mean ``switch to the Lisp font'',
% and it is not used as such in any manual I can find. We need it for
% 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
-\def\sc#1{{\smallcaps#1}} % smallcaps font
-\def\ii#1{{\it #1}} % italic font
-
% @acronym for "FBI", "NATO", and the like.
% We print this one point size smaller, since it's intended for
% all-uppercase.
-%
+%
\def\acronym#1{\doacronym #1,,\finish}
\def\doacronym#1,#2,#3\finish{%
{\selectfonts\lsize #1}%
@@ -2642,11 +2786,12 @@ end
\ifx\temp\empty \else
\space ({\unsepspaces \ignorespaces \temp \unskip})%
\fi
+ \null % reset \spacefactor=1000
}
% @abbr for "Comput. J." and the like.
% No font change, but don't do end-of-sentence spacing.
-%
+%
\def\abbr#1{\doabbr #1,,\finish}
\def\doabbr#1,#2,#3\finish{%
{\plainfrenchspacing #1}%
@@ -2654,8 +2799,298 @@ end
\ifx\temp\empty \else
\space ({\unsepspaces \ignorespaces \temp \unskip})%
\fi
+ \null % reset \spacefactor=1000
+}
+
+% @asis just yields its argument. Used with @table, for example.
+%
+\def\asis#1{#1}
+
+% @math outputs its argument in math mode.
+%
+% One complication: _ usually means subscripts, but it could also mean
+% an actual _ character, as in @math{@var{some_variable} + 1}. So make
+% _ active, and distinguish by seeing if the current family is \slfam,
+% which is what @var uses.
+{
+ \catcode`\_ = \active
+ \gdef\mathunderscore{%
+ \catcode`\_=\active
+ \def_{\ifnum\fam=\slfam \_\else\sb\fi}%
+ }
+}
+% Another complication: we want \\ (and @\) to output a math (or tt) \.
+% FYI, plain.tex uses \\ as a temporary control sequence (for no
+% particular reason), but this is not advertised and we don't care.
+%
+% The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\.
+\def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi}
+%
+\def\math{%
+ \tex
+ \mathunderscore
+ \let\\ = \mathbackslash
+ \mathactive
+ % make the texinfo accent commands work in math mode
+ \let\"=\ddot
+ \let\'=\acute
+ \let\==\bar
+ \let\^=\hat
+ \let\`=\grave
+ \let\u=\breve
+ \let\v=\check
+ \let\~=\tilde
+ \let\dotaccent=\dot
+ % have to provide another name for sup operator
+ \let\mathopsup=\sup
+ $\finishmath
+}
+\def\finishmath#1{#1$\endgroup} % Close the group opened by \tex.
+
+% 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 sets the catcodes (such as @item or @section).
+%
+{
+ \catcode`^ = \active
+ \catcode`< = \active
+ \catcode`> = \active
+ \catcode`+ = \active
+ \catcode`' = \active
+ \gdef\mathactive{%
+ \let^ = \ptexhat
+ \let< = \ptexless
+ \let> = \ptexgtr
+ \let+ = \ptexplus
+ \let' = \ptexquoteright
+ }
+}
+
+% for @sub and @sup, if in math mode, just do a normal sub/superscript.
+% If in text, use math to place as sub/superscript, but switch
+% into text mode, with smaller fonts. This is a different font than the
+% one used for real math sub/superscripts (8pt vs. 7pt), but let's not
+% fix it (significant additions to font machinery) until someone notices.
+%
+\def\sub{\ifmmode \expandafter\sb \else \expandafter\finishsub\fi}
+\def\finishsub#1{$\sb{\hbox{\selectfonts\lllsize #1}}$}%
+%
+\def\sup{\ifmmode \expandafter\ptexsp \else \expandafter\finishsup\fi}
+\def\finishsup#1{$\ptexsp{\hbox{\selectfonts\lllsize #1}}$}%
+
+% ctrl is no longer a Texinfo command, but leave this definition for fun.
+\def\ctrl #1{{\tt \rawbackslash \hat}#1}
+
+% @inlinefmt{FMTNAME,PROCESSED-TEXT} and @inlineraw{FMTNAME,RAW-TEXT}.
+% Ignore unless FMTNAME == tex; then it is like @iftex and @tex,
+% except specified as a normal braced arg, so no newlines to worry about.
+%
+\def\outfmtnametex{tex}
+%
+\long\def\inlinefmt#1{\doinlinefmt #1,\finish}
+\long\def\doinlinefmt#1,#2,\finish{%
+ \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
+% ignored. But this isn't important because if people want a literal
+% *right* brace they would have to use a command anyway, so they may as
+% well use a command to get a left brace too. We could re-use the
+% delimiter character idea from \verb, but it seems like overkill.
+%
+\long\def\inlineraw{\tex \doinlineraw}
+\long\def\doinlineraw#1{\doinlinerawtwo #1,\finish}
+\def\doinlinerawtwo#1,#2,\finish{%
+ \def\inlinerawname{#1}%
+ \ifx\inlinerawname\outfmtnametex \ignorespaces #2\fi
+ \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.
+
+% @@ prints an @, as does @atchar{}.
+\def\@{\char64 }
+\let\atchar=\@
+
+% @{ @} @lbracechar{} @rbracechar{} all generate brace characters.
+% Unless we're in typewriter, use \ecfont because the CM text fonts do
+% not have braces, and we don't want to switch into math.
+\def\mylbrace{{\ifmonospace\else\ecfont\fi \char123}}
+\def\myrbrace{{\ifmonospace\else\ecfont\fi \char125}}
+\let\{=\mylbrace \let\lbracechar=\{
+\let\}=\myrbrace \let\rbracechar=\}
+\begingroup
+ % Definitions to produce \{ and \} commands for indices,
+ % and @{ and @} for the aux/toc files.
+ \catcode`\{ = \other \catcode`\} = \other
+ \catcode`\[ = 1 \catcode`\] = 2
+ \catcode`\! = 0 \catcode`\\ = \other
+ !gdef!lbracecmd[\{]%
+ !gdef!rbracecmd[\}]%
+ !gdef!lbraceatcmd[@{]%
+ !gdef!rbraceatcmd[@}]%
+!endgroup
+
+% @comma{} to avoid , parsing problems.
+\let\comma = ,
+
+% Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent
+% Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H.
+\let\, = \ptexc
+\let\dotaccent = \ptexdot
+\def\ringaccent#1{{\accent23 #1}}
+\let\tieaccent = \ptext
+\let\ubaraccent = \ptexb
+\let\udotaccent = \d
+
+% Other special characters: @questiondown @exclamdown @ordf @ordm
+% Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss.
+\def\questiondown{?`}
+\def\exclamdown{!`}
+\def\ordf{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{a}}}
+\def\ordm{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{o}}}
+
+% Dotless i and dotless j, used for accents.
+\def\imacro{i}
+\def\jmacro{j}
+\def\dotless#1{%
+ \def\temp{#1}%
+ \ifx\temp\imacro \ifmmode\imath \else\ptexi \fi
+ \else\ifx\temp\jmacro \ifmmode\jmath \else\j \fi
+ \else \errmessage{@dotless can be used only with i or j}%
+ \fi\fi
+}
+
+% The \TeX{} logo, as in plain, but resetting the spacing so that a
+% period following counts as ending a sentence. (Idea found in latex.)
+%
+\edef\TeX{\TeX \spacefactor=1000 }
+
+% @LaTeX{} logo. Not quite the same results as the definition in
+% latex.ltx, since we use a different font for the raised A; it's most
+% convenient for us to use an explicitly smaller font, rather than using
+% the \scriptstyle font (since we don't reset \scriptstyle and
+% \scriptscriptstyle).
+%
+\def\LaTeX{%
+ L\kern-.36em
+ {\setbox0=\hbox{T}%
+ \vbox to \ht0{\hbox{%
+ \ifx\textnominalsize\xwordpt
+ % for 10pt running text, \lllsize (8pt) is too small for the A in LaTeX.
+ % Revert to plain's \scriptsize, which is 7pt.
+ \count255=\the\fam $\fam\count255 \scriptstyle A$%
+ \else
+ % For 11pt, we can use our lllsize.
+ \selectfonts\lllsize A%
+ \fi
+ }%
+ \vss
+ }}%
+ \kern-.15em
+ \TeX
+}
+
+% Some math mode symbols.
+\def\bullet{$\ptexbullet$}
+\def\geq{\ifmmode \ge\else $\ge$\fi}
+\def\leq{\ifmmode \le\else $\le$\fi}
+\def\minus{\ifmmode -\else $-$\fi}
+
+% @dots{} outputs an ellipsis using the current font.
+% We do .5em per period so that it has the same spacing in the cm
+% typewriter fonts as three actual period characters; on the other hand,
+% in other typewriter fonts three periods are wider than 1.5em. So do
+% whichever is larger.
+%
+\def\dots{%
+ \leavevmode
+ \setbox0=\hbox{...}% get width of three periods
+ \ifdim\wd0 > 1.5em
+ \dimen0 = \wd0
+ \else
+ \dimen0 = 1.5em
+ \fi
+ \hbox to \dimen0{%
+ \hskip 0pt plus.25fil
+ .\hskip 0pt plus1fil
+ .\hskip 0pt plus1fil
+ .\hskip 0pt plus.5fil
+ }%
}
+% @enddots{} is an end-of-sentence ellipsis.
+%
+\def\enddots{%
+ \dots
+ \spacefactor=\endofsentencespacefactor
+}
+
+% @point{}, @result{}, @expansion{}, @print{}, @equiv{}.
+%
+% Since these characters are used in examples, they should be an even number of
+% \tt widths. Each \tt character is 1en, so two makes it 1em.
+%
+\def\point{$\star$}
+\def\arrow{\leavevmode\raise.05ex\hbox to 1em{\hfil$\rightarrow$\hfil}}
+\def\result{\leavevmode\raise.05ex\hbox to 1em{\hfil$\Rightarrow$\hfil}}
+\def\expansion{\leavevmode\hbox to 1em{\hfil$\mapsto$\hfil}}
+\def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}}
+\def\equiv{\leavevmode\hbox to 1em{\hfil$\ptexequiv$\hfil}}
+
+% The @error{} command.
+% Adapted from the TeXbook's \boxit.
+%
+\newbox\errorbox
+%
+{\tentt \global\dimen0 = 3em}% Width of the box.
+\dimen2 = .55pt % Thickness of rules
+% The text. (`r' is open on the right, `e' somewhat less so on the left.)
+\setbox0 = \hbox{\kern-.75pt \reducedsf \putworderror\kern-1.5pt}
+%
+\setbox\errorbox=\hbox to \dimen0{\hfil
+ \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right.
+ \advance\hsize by -2\dimen2 % Rules.
+ \vbox{%
+ \hrule height\dimen2
+ \hbox{\vrule width\dimen2 \kern3pt % Space to left of text.
+ \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below.
+ \kern3pt\vrule width\dimen2}% Space to right.
+ \hrule height\dimen2}
+ \hfil}
+%
+\def\error{\leavevmode\lower.7ex\copy\errorbox}
+
% @pounds{} is a sterling sign, which Knuth put in the CM italic font.
%
\def\pounds{{\it\$}}
@@ -2665,52 +3100,59 @@ end
% Theiling, which support regular, slanted, bold and bold slanted (and
% "outlined" (blackboard board, sort of) versions, which we don't need).
% It is available from http://www.ctan.org/tex-archive/fonts/eurosym.
-%
+%
% Although only regular is the truly official Euro symbol, we ignore
% that. The Euro is designed to be slightly taller than the regular
% font height.
-%
+%
% feymr - regular
% feymo - slanted
% feybr - bold
% feybo - bold slanted
-%
+%
% There is no good (free) typewriter version, to my knowledge.
% A feymr10 euro is ~7.3pt wide, while a normal cmtt10 char is ~5.25pt wide.
% Hmm.
-%
+%
% Also doesn't work in math. Do we need to do math with euro symbols?
% Hope not.
-%
-%
+%
+%
\def\euro{{\eurofont e}}
\def\eurofont{%
% We set the font at each command, rather than predefining it in
% \textfonts and the other font-switching commands, so that
% installations which never need the symbol don't have to have the
% font installed.
- %
+ %
% There is only one designed size (nominal 10pt), so we always scale
% that to the current nominal size.
- %
+ %
% By the way, simply using "at 1em" works for cmr10 and the like, but
% does not work for cmbx10 and other extended/shrunken fonts.
- %
+ %
\def\eurosize{\csname\curfontsize nominalsize\endcsname}%
%
- \ifx\curfontstyle\bfstylename
+ \ifx\curfontstyle\bfstylename
% bold:
\font\thiseurofont = \ifusingit{feybo10}{feybr10} at \eurosize
- \else
+ \else
% regular:
\font\thiseurofont = \ifusingit{feymo10}{feymr10} at \eurosize
\fi
\thiseurofont
}
-% Hacks for glyphs from the EC fonts similar to \euro. We don't
-% use \let for the aliases, because sometimes we redefine the original
-% macro, and the alias should reflect the redefinition.
+% Glyphs from the EC fonts. We don't use \let for the aliases, because
+% sometimes we redefine the original macro, and the alias should reflect
+% the redefinition.
+%
+% Use LaTeX names for the Icelandic letters.
+\def\DH{{\ecfont \char"D0}} % Eth
+\def\dh{{\ecfont \char"F0}} % eth
+\def\TH{{\ecfont \char"DE}} % Thorn
+\def\th{{\ecfont \char"FE}} % thorn
+%
\def\guillemetleft{{\ecfont \char"13}}
\def\guillemotleft{\guillemetleft}
\def\guillemetright{{\ecfont \char"14}}
@@ -2720,19 +3162,52 @@ end
\def\quotedblbase{{\ecfont \char"12}}
\def\quotesinglbase{{\ecfont \char"0D}}
%
+% This positioning is not perfect (see the ogonek LaTeX package), but
+% we have the precomposed glyphs for the most common cases. We put the
+% tests to use those glyphs in the single \ogonek macro so we have fewer
+% dummy definitions to worry about for index entries, etc.
+%
+% ogonek is also used with other letters in Lithuanian (IOU), but using
+% the precomposed glyphs for those is not so easy since they aren't in
+% the same EC font.
+\def\ogonek#1{{%
+ \def\temp{#1}%
+ \ifx\temp\macrocharA\Aogonek
+ \else\ifx\temp\macrochara\aogonek
+ \else\ifx\temp\macrocharE\Eogonek
+ \else\ifx\temp\macrochare\eogonek
+ \else
+ \ecfont \setbox0=\hbox{#1}%
+ \ifdim\ht0=1ex\accent"0C #1%
+ \else\ooalign{\unhbox0\crcr\hidewidth\char"0C \hidewidth}%
+ \fi
+ \fi\fi\fi\fi
+ }%
+}
+\def\Aogonek{{\ecfont \char"81}}\def\macrocharA{A}
+\def\aogonek{{\ecfont \char"A1}}\def\macrochara{a}
+\def\Eogonek{{\ecfont \char"86}}\def\macrocharE{E}
+\def\eogonek{{\ecfont \char"A6}}\def\macrochare{e}
+%
+% Use the ec* fonts (cm-super in outline format) for non-CM glyphs.
\def\ecfont{%
- % We can't distinguish serif/sanserif and italic/slanted, but this
+ % We can't distinguish serif/sans and italic/slanted, but this
% is used for crude hacks anyway (like adding French and German
% quotes to documents typeset with CM, where we lose kerning), so
% hopefully nobody will notice/care.
\edef\ecsize{\csname\curfontsize ecsize\endcsname}%
\edef\nominalsize{\csname\curfontsize nominalsize\endcsname}%
- \ifx\curfontstyle\bfstylename
- % bold:
- \font\thisecfont = ecb\ifusingit{i}{x}\ecsize \space at \nominalsize
+ \ifmonospace
+ % typewriter:
+ \font\thisecfont = ectt\ecsize \space at \nominalsize
\else
- % regular:
- \font\thisecfont = ec\ifusingit{ti}{rm}\ecsize \space at \nominalsize
+ \ifx\curfontstyle\bfstylename
+ % bold:
+ \font\thisecfont = ecb\ifusingit{i}{x}\ecsize \space at \nominalsize
+ \else
+ % regular:
+ \font\thisecfont = ec\ifusingit{ti}{rm}\ecsize \space at \nominalsize
+ \fi
\fi
\thisecfont
}
@@ -2754,8 +3229,8 @@ end
% Laurent Siebenmann reports \Orb undefined with:
% Textures 1.7.7 (preloaded format=plain 93.10.14) (68K) 16 APR 2004 02:38
% so we'll define it if necessary.
-%
-\ifx\Orb\undefined
+%
+\ifx\Orb\thisisundefined
\def\Orb{\mathhexbox20D}
\fi
@@ -2765,6 +3240,7 @@ end
\chardef\quoteleft=`\`
\chardef\quoteright=`\'
+
\message{page headings,}
\newskip\titlepagetopglue \titlepagetopglue = 1.5in
@@ -2782,8 +3258,9 @@ end
\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.
@@ -2843,17 +3320,28 @@ end
\finishedtitlepagetrue
}
-%%% Macros to be used within @titlepage:
+% Settings used for typesetting titles: no hyphenation, no indentation,
+% don't worry much about spacing, ragged right. This should be used
+% inside a \vbox, and fonts need to be set appropriately first. Because
+% it is always used for titles, nothing else, we call \rmisbold. \par
+% should be specified before the end of the \vbox, since a vbox is a group.
+%
+\def\raggedtitlesettings{%
+ \rmisbold
+ \hyphenpenalty=10000
+ \parindent=0pt
+ \tolerance=5000
+ \ptexraggedright
+}
+
+% Macros to be used within @titlepage:
\let\subtitlerm=\tenrm
\def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}
-\def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines
- \let\tt=\authortt}
-
\parseargdef\title{%
\checkenv\titlepage
- \leftline{\titlefonts\rm #1}
+ \vbox{\titlefonts \raggedtitlesettings #1\par}%
% print a rule at the page bottom also.
\finishedtitlepagefalse
\vskip4pt \hrule height 4pt width \hsize \vskip4pt
@@ -2874,12 +3362,12 @@ end
\else
\checkenv\titlepage
\ifseenauthor\else \vskip 0pt plus 1filll \seenauthortrue \fi
- {\authorfont \leftline{#1}}%
+ {\secfonts\rmisbold \leftline{#1}}%
\fi
}
-%%% Set up page headings and footings.
+% Set up page headings and footings.
\let\thispage=\folio
@@ -2973,10 +3461,14 @@ end
\def\headings #1 {\csname HEADINGS#1\endcsname}
-\def\HEADINGSoff{%
-\global\evenheadline={\hfil} \global\evenfootline={\hfil}
-\global\oddheadline={\hfil} \global\oddfootline={\hfil}}
-\HEADINGSoff
+\def\headingsoff{% non-global headings elimination
+ \evenheadline={\hfil}\evenfootline={\hfil}%
+ \oddheadline={\hfil}\oddfootline={\hfil}%
+}
+
+\def\HEADINGSoff{{\globaldefs=1 \headingsoff}} % global setting
+\HEADINGSoff % it's the default
+
% When we turn headings on, set the page number to 1.
% For double-sided printing, put current file name in lower left corner,
% chapter name on inside top of right hand pages, document
@@ -3027,7 +3519,7 @@ end
% 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
@@ -3088,7 +3580,7 @@ end
\begingroup
\advance\leftskip by-\tableindent
\advance\hsize by\tableindent
- \advance\rightskip by0pt plus1fil
+ \advance\rightskip by0pt plus1fil\relax
\leavevmode\unhbox0\par
\endgroup
%
@@ -3102,7 +3594,7 @@ end
% 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. Section titles are handled this way also.
- %
+ %
\penalty 10001
\endgroup
\itemxneedsnegativevskipfalse
@@ -3196,9 +3688,18 @@ end
\parindent=0pt
\parskip=\smallskipamount
\ifdim\parskip=0pt \parskip=2pt \fi
+ %
+ % Try typesetting the item mark so that if the document erroneously says
+ % something like @itemize @samp (intending @table), there's an error
+ % right away at the @itemize. It's not the best error message in the
+ % world, but it's better than leaving it to the @item. This means if
+ % the user wants an empty mark, they have to say @w{} not just @w.
\def\itemcontents{#1}%
+ \setbox0 = \hbox{\itemcontents}%
+ %
% @itemize with no arg is equivalent to @itemize @bullet.
\ifx\itemcontents\empty\def\itemcontents{\bullet}\fi
+ %
\let\item=\itemizeitem
}
@@ -3219,6 +3720,7 @@ end
\ifnum\lastpenalty<10000 \parskip=0in \fi
\noindent
\hbox to 0pt{\hss \itemcontents \kern\itemmargin}%
+ %
\vadjust{\penalty 1200}}% not good to break after first line of item.
\flushcr
}
@@ -3437,15 +3939,26 @@ end
}
% multitable-only commands.
+%
+% @headitem starts a heading row, which we typeset in bold. Assignments
+% have to be global since we are inside the implicit group of an
+% alignment entry. \everycr below resets \everytab so we don't have to
+% undo it ourselves.
+\def\headitemfont{\b}% for people to use in the template row; not changeable
+\def\headitem{%
+ \checkenv\multitable
+ \crcr
+ \gdef\headitemcrhook{\nobreak}% attempt to avoid page break after headings
+ \global\everytab={\bf}% can't use \headitemfont since the parsing differs
+ \the\everytab % for the first item
+}%
%
-% @headitem starts a heading row, which we typeset in bold.
-% Assignments have to be global since we are inside the implicit group
-% of an alignment entry. Note that \everycr resets \everytab.
-\def\headitem{\checkenv\multitable \crcr \global\everytab={\bf}\the\everytab}%
+% default for tables with no headings.
+\let\headitemcrhook=\relax
%
% A \tab used to include \hskip1sp. But then the space in a template
% line is not enough. That is bad. So let's go back to just `&' until
-% we encounter the problem it was intended to solve again.
+% we again encounter the problem the 1sp was intended to solve.
% --karl, nathan@acm.org, 20apr99.
\def\tab{\checkenv\multitable &\the\everytab}%
@@ -3473,15 +3986,15 @@ end
%
\everycr = {%
\noalign{%
- \global\everytab={}%
+ \global\everytab={}% Reset from possible headitem.
\global\colcount=0 % Reset the column counter.
- % Check for saved footnotes, etc.
+ %
+ % Check for saved footnotes, etc.:
\checkinserts
- % Keeps underfull box messages off when table breaks over pages.
- %\filbreak
- % Maybe so, but it also creates really weird page breaks when the
- % table breaks over pages. Wouldn't \vfil be better? Wait until the
- % problem manifests itself, so it can be fixed for real --karl.
+ %
+ % Perhaps a \nobreak, then reset:
+ \headitemcrhook
+ \global\let\headitemcrhook=\relax
}%
}%
%
@@ -3557,18 +4070,18 @@ end
\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
- %% than skip between lines in the table.
+\global\advance\multitableparskip-7pt % to keep parskip somewhat smaller
+ % than skip between lines in the table.
\fi%
\ifdim\multitableparskip=0pt
\global\multitableparskip=\multitablelinespace
-\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
- %% than skip between lines in the table.
+\global\advance\multitableparskip-7pt % to keep parskip somewhat smaller
+ % than skip between lines in the table.
\fi}
@@ -3720,7 +4233,7 @@ end
\def\value{\begingroup\makevalueexpandable\valuexxx}
\def\valuexxx#1{\expandablevalue{#1}\endgroup}
{
- \catcode`\- = \active \catcode`\_ = \active
+ \catcode`\-=\active \catcode`\_=\active
%
\gdef\makevalueexpandable{%
\let\value = \expandablevalue
@@ -3729,7 +4242,7 @@ end
% ..., 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
}
}
@@ -3740,7 +4253,12 @@ end
% 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'']}%
@@ -3752,8 +4270,9 @@ end
% @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}}}
@@ -3769,7 +4288,7 @@ end
}
\def\ifsetfail{\doignore{ifset}}
-% @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been
+% @ifclear VAR ... @end executes the `...' iff VAR has never been
% defined with @set, or has been undefined with @clear.
%
% The `\else' inside the `\doifset' parameter is a trick to reuse the
@@ -3780,6 +4299,35 @@ end
\def\ifclear{\parsearg{\doifset{\else \let\next=\ifclearfail}}}
\def\ifclearfail{\doignore{ifclear}}
+% @ifcommandisdefined CMD ... @end executes the `...' if CMD (written
+% without the @) is in fact defined. We can only feasibly check at the
+% TeX level, so something like `mathcode' is going to considered
+% defined even though it is not a Texinfo command.
+%
+\makecond{ifcommanddefined}
+\def\ifcommanddefined{\parsearg{\doifcmddefined{\let\next=\ifcmddefinedfail}}}
+%
+\def\doifcmddefined#1#2{{%
+ \makevalueexpandable
+ \let\next=\empty
+ \expandafter\ifx\csname #2\endcsname\relax
+ #1% If not defined, \let\next as above.
+ \fi
+ \expandafter
+ }\next
+}
+\def\ifcmddefinedfail{\doignore{ifcommanddefined}}
+
+% @ifcommandnotdefined CMD ... handled similar to @ifclear above.
+\makecond{ifcommandnotdefined}
+\def\ifcommandnotdefined{%
+ \parsearg{\doifcmddefined{\else \let\next=\ifcmdnotdefinedfail}}}
+\def\ifcmdnotdefinedfail{\doignore{ifcommandnotdefined}}
+
+% Set the `txicommandconditionals' variable, so documents have a way to
+% test if the @ifcommand...defined conditionals are available.
+\set txicommandconditionals
+
% @dircategory CATEGORY -- specify a category of the dir file
% which this file should belong to. Ignore this in TeX.
\let\dircategory=\comment
@@ -3844,11 +4392,11 @@ end
\def\dosynindex#1#2#3{%
% Only do \closeout if we haven't already done it, else we'll end up
% closing the target index.
- \expandafter \ifx\csname donesynindex#2\endcsname \undefined
+ \expandafter \ifx\csname donesynindex#2\endcsname \relax
% The \closeout helps reduce unnecessary open files; the limit on the
% Acorn RISC OS is a mere 16 files.
\expandafter\closeout\csname#2indfile\endcsname
- \expandafter\let\csname\donesynindex#2\endcsname = 1
+ \expandafter\let\csname donesynindex#2\endcsname = 1
\fi
% redefine \fooindfile:
\expandafter\let\expandafter\temp\expandafter=\csname#3indfile\endcsname
@@ -3883,11 +4431,14 @@ end
\def\@{@}% change to @@ when we switch to @ as escape char in index files.
\def\ {\realbackslash\space }%
%
- % Need these in case \tex is in effect and \{ is a \delimiter again.
- % But can't use \lbracecmd and \rbracecmd because texindex assumes
- % braces and backslashes are used only as delimiters.
- \let\{ = \mylbrace
- \let\} = \myrbrace
+ % Need these unexpandable (because we define \tt as a dummy)
+ % definitions when @{ or @} appear in index entry text. Also, more
+ % complicated, when \tex is in effect and \{ is a \delimiter again.
+ % We can't use \lbracecmd and \rbracecmd because texindex assumes
+ % braces and backslashes are used only as delimiters. Perhaps we
+ % should use @lbracechar and @rbracechar?
+ \def\{{{\tt\char123}}%
+ \def\}{{\tt\char125}}%
%
% I don't entirely understand this, but when an index entry is
% generated from a macro call, the \endinput which \scanmacro inserts
@@ -3898,7 +4449,7 @@ end
% processing continues to some further point. On the other hand, it
% seems \endinput does not hurt in the printed index arg, since that
% is still getting written without apparent harm.
- %
+ %
% Sample source (mac-idx3.tex, reported by Graham Percival to
% help-texinfo, 22may06):
% @macro funindex {WORD}
@@ -3906,12 +4457,11 @@ end
% @end macro
% ...
% @funindex commtest
- %
- % The above is not enough to reproduce the bug, but it gives the flavor.
- %
+ % This is not enough to reproduce the bug, but it gives the flavor.
+ %
% Sample whatsit resulting:
% .@write3{\entry{xyz}{@folio }{@code {xyz@endinput }}}
- %
+ %
% So:
\let\endinput = \empty
%
@@ -3940,7 +4490,7 @@ end
\def\commondummies{%
%
% \definedummyword defines \#1 as \string\#1\space, thus effectively
- % preventing its expansion. This is used only for control% words,
+ % preventing its expansion. This is used only for control words,
% not control letters, because the \space would be incorrect for
% control characters, but is needed to separate the control word
% from whatever follows.
@@ -3959,23 +4509,28 @@ end
\commondummiesnofonts
%
\definedummyletter\_%
+ \definedummyletter\-%
%
% Non-English letters.
\definedummyword\AA
\definedummyword\AE
+ \definedummyword\DH
\definedummyword\L
- \definedummyword\OE
\definedummyword\O
+ \definedummyword\OE
+ \definedummyword\TH
\definedummyword\aa
\definedummyword\ae
+ \definedummyword\dh
+ \definedummyword\exclamdown
\definedummyword\l
- \definedummyword\oe
\definedummyword\o
- \definedummyword\ss
- \definedummyword\exclamdown
- \definedummyword\questiondown
+ \definedummyword\oe
\definedummyword\ordf
\definedummyword\ordm
+ \definedummyword\questiondown
+ \definedummyword\ss
+ \definedummyword\th
%
% Although these internal commands shouldn't show up, sometimes they do.
\definedummyword\bf
@@ -3991,21 +4546,27 @@ end
\definedummyword\TeX
%
% Assorted special characters.
+ \definedummyword\arrow
\definedummyword\bullet
\definedummyword\comma
\definedummyword\copyright
\definedummyword\registeredsymbol
\definedummyword\dots
\definedummyword\enddots
+ \definedummyword\entrybreak
\definedummyword\equiv
\definedummyword\error
\definedummyword\euro
+ \definedummyword\expansion
+ \definedummyword\geq
\definedummyword\guillemetleft
\definedummyword\guillemetright
\definedummyword\guilsinglleft
\definedummyword\guilsinglright
- \definedummyword\expansion
+ \definedummyword\lbracechar
+ \definedummyword\leq
\definedummyword\minus
+ \definedummyword\ogonek
\definedummyword\pounds
\definedummyword\point
\definedummyword\print
@@ -4015,6 +4576,7 @@ end
\definedummyword\quoteleft
\definedummyword\quoteright
\definedummyword\quotesinglbase
+ \definedummyword\rbracechar
\definedummyword\result
\definedummyword\textdegree
%
@@ -4049,6 +4611,7 @@ end
\definedummyword\v
\definedummyword\H
\definedummyword\dotaccent
+ \definedummyword\ogonek
\definedummyword\ringaccent
\definedummyword\tieaccent
\definedummyword\ubaraccent
@@ -4059,18 +4622,27 @@ end
\definedummyword\b
\definedummyword\i
\definedummyword\r
+ \definedummyword\sansserif
\definedummyword\sc
+ \definedummyword\slanted
\definedummyword\t
%
% Commands that take arguments.
+ \definedummyword\abbr
\definedummyword\acronym
+ \definedummyword\anchor
\definedummyword\cite
\definedummyword\code
\definedummyword\command
\definedummyword\dfn
+ \definedummyword\dmn
+ \definedummyword\email
\definedummyword\emph
\definedummyword\env
\definedummyword\file
+ \definedummyword\image
+ \definedummyword\indicateurl
+ \definedummyword\inforef
\definedummyword\kbd
\definedummyword\key
\definedummyword\math
@@ -4086,8 +4658,21 @@ end
\definedummyword\verb
\definedummyword\w
\definedummyword\xref
+ %
+ % Consider:
+ % @macro mkind{arg1,arg2}
+ % @cindex \arg2\
+ % @end macro
+ % @mkind{foo, bar}
+ % The space after the comma will end up in the temporary definition
+ % that we make for arg2 (see \parsemargdef ff.). We want all this to be
+ % expanded for the sake of the index, so we end up just seeing "bar".
+ \let\xeatspaces = \eatspaces
}
+% For testing: output @{ and @} in index sort strings as \{ and \}.
+\newif\ifusebracesinindexes
+
% \indexnofonts is used when outputting the strings to sort the index
% by, and when constructing control sequence names. It eliminates all
% control sequences and just writes whatever the best ASCII sort string
@@ -4098,7 +4683,7 @@ end
\def\definedummyaccent##1{\let##1\asis}%
% We can just ignore other control letters.
\def\definedummyletter##1{\let##1\empty}%
- % Hopefully, all control words can become @asis.
+ % All control words become @asis by default; overrides below.
\let\definedummyword\definedummyaccent
%
\commondummiesnofonts
@@ -4110,48 +4695,68 @@ end
%
\def\ { }%
\def\@{@}%
- % how to handle braces?
\def\_{\normalunderscore}%
+ \def\-{}% @- shouldn't affect sorting
+ %
+ % Unfortunately, texindex is not prepared to handle braces in the
+ % content at all. So for index sorting, we map @{ and @} to strings
+ % starting with |, since that ASCII character is between ASCII { and }.
+ \ifusebracesinindexes
+ \def\lbracechar{\lbracecmd}%
+ \def\rbracechar{\rbracecmd}%
+ \else
+ \def\lbracechar{|a}%
+ \def\rbracechar{|b}%
+ \fi
+ \let\{=\lbracechar
+ \let\}=\rbracechar
+ %
%
% Non-English letters.
\def\AA{AA}%
\def\AE{AE}%
+ \def\DH{DZZ}%
\def\L{L}%
\def\OE{OE}%
\def\O{O}%
+ \def\TH{ZZZ}%
\def\aa{aa}%
\def\ae{ae}%
+ \def\dh{dzz}%
+ \def\exclamdown{!}%
\def\l{l}%
\def\oe{oe}%
- \def\o{o}%
- \def\ss{ss}%
- \def\exclamdown{!}%
- \def\questiondown{?}%
\def\ordf{a}%
\def\ordm{o}%
+ \def\o{o}%
+ \def\questiondown{?}%
+ \def\ss{ss}%
+ \def\th{zzz}%
%
\def\LaTeX{LaTeX}%
\def\TeX{TeX}%
%
% Assorted special characters.
% (The following {} will end up in the sort string, but that's ok.)
+ \def\arrow{->}%
\def\bullet{bullet}%
\def\comma{,}%
\def\copyright{copyright}%
- \def\registeredsymbol{R}%
\def\dots{...}%
\def\enddots{...}%
\def\equiv{==}%
\def\error{error}%
\def\euro{euro}%
+ \def\expansion{==>}%
+ \def\geq{>=}%
\def\guillemetleft{<<}%
\def\guillemetright{>>}%
\def\guilsinglleft{<}%
\def\guilsinglright{>}%
- \def\expansion{==>}%
+ \def\leq{<=}%
\def\minus{-}%
- \def\pounds{pounds}%
\def\point{.}%
+ \def\pounds{pounds}%
\def\print{-|}%
\def\quotedblbase{"}%
\def\quotedblleft{"}%
@@ -4159,22 +4764,31 @@ end
\def\quoteleft{`}%
\def\quoteright{'}%
\def\quotesinglbase{,}%
+ \def\registeredsymbol{R}%
\def\result{=>}%
- \def\textdegree{degrees}%
+ \def\textdegree{o}%
+ %
+ \expandafter\ifx\csname SETtxiindexlquoteignore\endcsname\relax
+ \else \indexlquoteignore \fi
%
% We need to get rid of all macros, leaving only the arguments (if present).
% Of course this is not nearly correct, but it is the best we can do for now.
% makeinfo does not expand macros in the argument to @deffn, which ends up
% writing an index entry, and texindex isn't prepared for an index sort entry
% that starts with \.
- %
+ %
% Since macro invocations are followed by braces, we can just redefine them
% to take a single TeX argument. The case of a macro invocation that
% goes to end-of-line is not handled.
- %
+ %
\macrolist
}
+% Undocumented (for FSFS 2nd ed.): @set txiindexlquoteignore makes us
+% ignore left quotes in the sort term.
+{\catcode`\`=\active
+ \gdef\indexlquoteignore{\let`=\empty}}
+
\let\indexbackslash=0 %overridden during \printindex.
\let\SETmarginindex=\relax % put index entries in margin (undocumented)?
@@ -4272,10 +4886,9 @@ end
%
% ..., ready, GO:
%
-\def\safewhatsit#1{%
-\ifhmode
+\def\safewhatsit#1{\ifhmode
#1%
-\else
+ \else
% \lastskip and \lastpenalty cannot both be nonzero simultaneously.
\whatsitskip = \lastskip
\edef\lastskipmacro{\the\lastskip}%
@@ -4299,7 +4912,6 @@ end
% to re-insert the same penalty (values >10000 are used for various
% signals); since we just inserted a non-discardable item, any
% following glue (such as a \parskip) would be a breakpoint. For example:
- %
% @deffn deffn-whatever
% @vindex index-whatever
% Description.
@@ -4312,8 +4924,7 @@ end
% (the whatsit from the \write), so we must insert a \nobreak.
\nobreak\vskip\whatsitskip
\fi
-\fi
-}
+\fi}
% The index entry written in the file actually looks like
% \entry {sortstring}{page}{topic}
@@ -4429,10 +5040,9 @@ end
%
% A straightforward implementation would start like this:
% \def\entry#1#2{...
-% But this frozes the catcodes in the argument, and can cause problems to
+% But this freezes the catcodes in the argument, and can cause problems to
% @code, which sets - active. This problem was fixed by a kludge---
% ``-'' was active throughout whole index, but this isn't really right.
-%
% The right solution is to prevent \entry from swallowing the whole text.
% --kasal, 21nov03
\def\entry{%
@@ -4469,10 +5079,17 @@ end
% columns.
\vskip 0pt plus1pt
%
+ % When reading the text of entry, convert explicit line breaks
+ % from @* into spaces. The user might give these in long section
+ % titles, for instance.
+ \def\*{\unskip\space\ignorespaces}%
+ \def\entrybreak{\hfil\break}%
+ %
% Swallow the left brace of the text (first parameter):
\afterassignment\doentry
\let\temp =
}
+\def\entrybreak{\unskip\space\ignorespaces}%
\def\doentry{%
\bgroup % Instead of the swallowed brace.
\noindent
@@ -4705,7 +5322,22 @@ end
\message{sectioning,}
% Chapters, sections, etc.
-% \unnumberedno is an oxymoron, of course. But we count the unnumbered
+% Let's start with @part.
+\outer\parseargdef\part{\partzzz{#1}}
+\def\partzzz#1{%
+ \chapoddpage
+ \null
+ \vskip.3\vsize % move it down on the page a bit
+ \begingroup
+ \noindent \titlefonts\rmisbold #1\par % the text
+ \let\lastnode=\empty % no node to associate with
+ \writetocentry{part}{#1}{}% but put it in the toc
+ \headingsoff % no headline or footline on the part page
+ \chapoddpage
+ \endgroup
+}
+
+% \unnumberedno is an oxymoron. But we count the unnumbered
% sections so that we can refer to them unambiguously in the pdf
% outlines by their "section number". We avoid collisions with chapter
% numbers by starting them at 10000. (If a document ever has 10000
@@ -4784,8 +5416,8 @@ end
\chardef\maxseclevel = 3
%
% A numbered section within an unnumbered changes to unnumbered too.
-% To achive this, remember the "biggest" unnum. sec. we are currently in:
-\chardef\unmlevel = \maxseclevel
+% To achieve this, remember the "biggest" unnum. sec. we are currently in:
+\chardef\unnlevel = \maxseclevel
%
% Trace whether the current chapter is an appendix or not:
% \chapheadtype is "N" or "A", unnumbered chapters are ignored.
@@ -4810,8 +5442,8 @@ end
% The heading type:
\def\headtype{#1}%
\if \headtype U%
- \ifnum \absseclevel < \unmlevel
- \chardef\unmlevel = \absseclevel
+ \ifnum \absseclevel < \unnlevel
+ \chardef\unnlevel = \absseclevel
\fi
\else
% Check for appendix sections:
@@ -4823,10 +5455,10 @@ end
\fi\fi
\fi
% Check for numbered within unnumbered:
- \ifnum \absseclevel > \unmlevel
+ \ifnum \absseclevel > \unnlevel
\def\headtype{U}%
\else
- \chardef\unmlevel = 3
+ \chardef\unnlevel = 3
\fi
\fi
% Now print the heading:
@@ -4880,7 +5512,9 @@ end
\gdef\chaplevelprefix{\the\chapno.}%
\resetallfloatnos
%
- \message{\putwordChapter\space \the\chapno}%
+ % \putwordChapter can contain complex things in translations.
+ \toks0=\expandafter{\putwordChapter}%
+ \message{\the\toks0 \space \the\chapno}%
%
% Write the actual heading.
\chapmacro{#1}{Ynumbered}{\the\chapno}%
@@ -4891,15 +5525,17 @@ end
\global\let\subsubsection = \numberedsubsubsec
}
-\outer\parseargdef\appendix{\apphead0{#1}} % normally apphead0 calls appendixzzz
+\outer\parseargdef\appendix{\apphead0{#1}} % normally calls appendixzzz
+%
\def\appendixzzz#1{%
\global\secno=0 \global\subsecno=0 \global\subsubsecno=0
\global\advance\appendixno by 1
\gdef\chaplevelprefix{\appendixletter.}%
\resetallfloatnos
%
- \def\appendixnum{\putwordAppendix\space \appendixletter}%
- \message{\appendixnum}%
+ % \putwordAppendix can contain complex things in translations.
+ \toks0=\expandafter{\putwordAppendix}%
+ \message{\the\toks0 \space \appendixletter}%
%
\chapmacro{#1}{Yappendix}{\appendixletter}%
%
@@ -4908,7 +5544,8 @@ end
\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
@@ -4952,40 +5589,47 @@ end
\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}%
@@ -4993,21 +5637,25 @@ end
}
% 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}%
@@ -5023,15 +5671,6 @@ end
% Define @majorheading, @heading and @subheading
-% 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
-% heading is obnoxious; this forbids it.
-% 3) Likewise, headings look best if no \parindent is used, and
-% if justification is not attempted. Hence \raggedright.
-
-
\def\majorheading{%
{\advance\chapheadingskip by 10pt \chapbreak }%
\parsearg\chapheadingzzz
@@ -5039,10 +5678,8 @@ end
\def\chapheading{\chapbreak \parsearg\chapheadingzzz}
\def\chapheadingzzz#1{%
- {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
- \parindent=0pt\raggedright
- \rm #1\hfill}}%
- \bigskip \par\penalty 200\relax
+ \vbox{\chapfonts \raggedtitlesettings #1\par}%
+ \nobreak\bigskip \nobreak
\suppressfirstparagraphindent
}
@@ -5058,14 +5695,13 @@ end
% (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
@@ -5075,9 +5711,8 @@ end
\chappager
\ifodd\pageno \else
\begingroup
- \evenheadline={\hfil}\evenfootline={\hfil}%
- \oddheadline={\hfil}\oddfootline={\hfil}%
- \hbox to 0pt{}%
+ \headingsoff
+ \null
\chappager
\endgroup
\fi
@@ -5108,13 +5743,16 @@ end
%
% #1 is the text, #2 is the section type (Ynumbered, Ynothing,
% Yappendix, Yomitfromtoc), #3 the chapter number.
+% Not used for @heading series.
%
% To test against our argument.
\def\Ynothingkeyword{Ynothing}
-\def\Yomitfromtockeyword{Yomitfromtoc}
\def\Yappendixkeyword{Yappendix}
+\def\Yomitfromtockeyword{Yomitfromtoc}
%
\def\chapmacro#1#2#3{%
+ \checkenv{}% chapters, etc., should not start inside an environment.
+ %
% Insert the first mark before the heading break (see notes for \domark).
\let\prevchapterdefs=\lastchapterdefs
\let\prevsectiondefs=\lastsectiondefs
@@ -5133,7 +5771,10 @@ end
\xdef\lastchapterdefs{%
\gdef\noexpand\thischaptername{\the\toks0}%
\gdef\noexpand\thischapternum{\appendixletter}%
- \gdef\noexpand\thischapter{\putwordAppendix{} \noexpand\thischapternum:
+ % \noexpand\putwordAppendix avoids expanding indigestible
+ % commands in some of the translations.
+ \gdef\noexpand\thischapter{\noexpand\putwordAppendix{}
+ \noexpand\thischapternum:
\noexpand\thischaptername}%
}%
\else
@@ -5141,7 +5782,10 @@ end
\xdef\lastchapterdefs{%
\gdef\noexpand\thischaptername{\the\toks0}%
\gdef\noexpand\thischapternum{\the\chapno}%
- \gdef\noexpand\thischapter{\putwordChapter{} \noexpand\thischapternum:
+ % \noexpand\putwordChapter avoids expanding indigestible
+ % commands in some of the translations.
+ \gdef\noexpand\thischapter{\noexpand\putwordChapter{}
+ \noexpand\thischapternum:
\noexpand\thischaptername}%
}%
\fi\fi\fi
@@ -5160,7 +5804,8 @@ end
\domark
%
{%
- \chapfonts \rm
+ \chapfonts \rmisbold
+ \let\footnote=\errfootnoteheading % give better error message
%
% Have to define \lastsection before calling \donoderef, because the
% xref code eventually uses it. On the other hand, it has to be called
@@ -5197,8 +5842,7 @@ end
%
% Typeset the actual heading.
\nobreak % Avoid page breaks at the interline glue.
- \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
- \hangindent=\wd0 \centerparametersmaybe
+ \vbox{\raggedtitlesettings \hangindent=\wd0 \centerparametersmaybe
\unhbox0 #1\par}%
}%
\nobreak\bigskip % no page break after a chapter title
@@ -5220,18 +5864,18 @@ end
\def\setchapterstyle #1 {\csname CHAPF#1\endcsname}
%
\def\unnchfopen #1{%
-\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
- \parindent=0pt\raggedright
- \rm #1\hfill}}\bigskip \par\nobreak
+ \chapoddpage
+ \vbox{\chapfonts \raggedtitlesettings #1\par}%
+ \nobreak\bigskip\nobreak
}
\def\chfopen #1#2{\chapoddpage {\chapfonts
\vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}%
\par\penalty 5000 %
}
\def\centerchfopen #1{%
-\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
- \parindent=0pt
- \hfill {\rm #1}\hfill}}\bigskip \par\nobreak
+ \chapoddpage
+ \vbox{\chapfonts \raggedtitlesettings \hfill #1\hfill}%
+ \nobreak\bigskip \nobreak
}
\def\CHAPFopen{%
\global\let\chapmacro=\chfopen
@@ -5255,20 +5899,29 @@ end
% Print any size, any type, section title.
%
-% #1 is the text, #2 is the section level (sec/subsec/subsubsec), #3 is
-% the section type for xrefs (Ynumbered, Ynothing, Yappendix), #4 is the
-% section number.
+% #1 is the text of the title,
+% #2 is the section level (sec/subsec/subsubsec),
+% #3 is the section type (Ynumbered, Ynothing, Yappendix, Yomitfromtoc),
+% #4 is the section number.
%
\def\seckeyword{sec}
%
\def\sectionheading#1#2#3#4{%
{%
- % Switch to the right set of fonts.
- \csname #2fonts\endcsname \rm
- %
\def\sectionlevel{#2}%
\def\temptype{#3}%
%
+ % It is ok for the @heading series commands to appear inside an
+ % environment (it's been historically allowed, though the logic is
+ % dubious), but not the others.
+ \ifx\temptype\Yomitfromtockeyword\else
+ \checkenv{}% non-@*heading should not be in an environment.
+ \fi
+ \let\footnote=\errfootnoteheading
+ %
+ % Switch to the right set of fonts.
+ \csname #2fonts\endcsname \rmisbold
+ %
% Insert first mark before the heading break (see notes for \domark).
\let\prevsectiondefs=\lastsectiondefs
\ifx\temptype\Ynothingkeyword
@@ -5284,7 +5937,10 @@ end
\xdef\lastsectiondefs{%
\gdef\noexpand\thissectionname{\the\toks0}%
\gdef\noexpand\thissectionnum{#4}%
- \gdef\noexpand\thissection{\putwordSection{} \noexpand\thissectionnum:
+ % \noexpand\putwordSection avoids expanding indigestible
+ % commands in some of the translations.
+ \gdef\noexpand\thissection{\noexpand\putwordSection{}
+ \noexpand\thissectionnum:
\noexpand\thissectionname}%
}%
\fi
@@ -5294,12 +5950,20 @@ end
\xdef\lastsectiondefs{%
\gdef\noexpand\thissectionname{\the\toks0}%
\gdef\noexpand\thissectionnum{#4}%
- \gdef\noexpand\thissection{\putwordSection{} \noexpand\thissectionnum:
+ % \noexpand\putwordSection avoids expanding indigestible
+ % commands in some of the translations.
+ \gdef\noexpand\thissection{\noexpand\putwordSection{}
+ \noexpand\thissectionnum:
\noexpand\thissectionname}%
}%
\fi
\fi\fi\fi
%
+ % Go into vertical mode. Usually we'll already be there, but we
+ % don't want the following whatsit to end up in a preceding paragraph
+ % if the document didn't happen to have a blank line.
+ \par
+ %
% Output the mark. Pass it through \safewhatsit, to take care of
% the preceding space.
\safewhatsit\domark
@@ -5309,7 +5973,7 @@ end
%
% 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.
@@ -5349,7 +6013,7 @@ end
\nobreak
%
% Output the actual section heading.
- \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
+ \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \ptexraggedright
\hangindent=\wd0 % zero if no section number
\unhbox0 #1}%
}%
@@ -5363,15 +6027,15 @@ end
%
% We'll almost certainly start a paragraph next, so don't let that
% glue accumulate. (Not a breakpoint because it's preceded by a
- % discardable item.)
+ % discardable item.) However, when a paragraph is not started next
+ % (\startdefun, \cartouche, \center, etc.), this needs to be wiped out
+ % or the negative glue will cause weirdly wrong output, typically
+ % obscuring the section heading with something else.
\vskip-\parskip
- %
- % This is purely so the last item on the list is a known \penalty >
- % 10000. This is so \startdefun can avoid allowing breakpoints after
- % section headings. Otherwise, it would insert a valid breakpoint between:
- %
- % @section sec-whatever
- % @deffn def-whatever
+ %
+ % This is so the last item on the main vertical list is a known
+ % \penalty > 10000, so \startdefun, etc., can recognize the situation
+ % and do the needful.
\penalty 10001
}
@@ -5427,7 +6091,7 @@ end
% These characters do not print properly in the Computer Modern roman
% fonts, so we must take special care. This is more or less redundant
% with the Texinfo input format setup at the end of this file.
-%
+%
\def\activecatcodes{%
\catcode`\"=\active
\catcode`\$=\active
@@ -5477,7 +6141,7 @@ end
% redefined for the two-volume lispref. We always output on
% \jobname.toc even if this is redefined.
-%
+%
\def\tocreadfilename{\jobname.toc}
% Normal (long) toc.
@@ -5503,6 +6167,7 @@ end
\def\summarycontents{%
\startcontents{\putwordShortTOC}%
%
+ \let\partentry = \shortpartentry
\let\numchapentry = \shortchapentry
\let\appentry = \shortchapentry
\let\unnchapentry = \shortunnchapentry
@@ -5558,6 +6223,19 @@ end
% The last argument is the page number.
% The arguments in between are the chapter number, section number, ...
+% Parts, in the main contents. Replace the part number, which doesn't
+% exist, with an empty box. Let's hope all the numbers have the same width.
+% Also ignore the page number, which is conventionally not printed.
+\def\numeralbox{\setbox0=\hbox{8}\hbox to \wd0{\hfil}}
+\def\partentry#1#2#3#4{\dochapentry{\numeralbox\labelspace#1}{}}
+%
+% Parts, in the short toc.
+\def\shortpartentry#1#2#3#4{%
+ \penalty-300
+ \vskip.5\baselineskip plus.15\baselineskip minus.1\baselineskip
+ \shortchapentry{{\bf #1}}{\numeralbox}{}{}%
+}
+
% Chapters, in the main contents.
\def\numchapentry#1#2#3#4{\dochapentry{#2\labelspace#1}{#4}}
%
@@ -5647,45 +6325,12 @@ end
\message{environments,}
% @foo ... @end foo.
-% @point{}, @result{}, @expansion{}, @print{}, @equiv{}.
-%
-% Since these characters are used in examples, it should be an even number of
-% \tt widths. Each \tt character is 1en, so two makes it 1em.
-%
-\def\point{$\star$}
-\def\result{\leavevmode\raise.15ex\hbox to 1em{\hfil$\Rightarrow$\hfil}}
-\def\expansion{\leavevmode\raise.1ex\hbox to 1em{\hfil$\mapsto$\hfil}}
-\def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}}
-\def\equiv{\leavevmode\lower.1ex\hbox to 1em{\hfil$\ptexequiv$\hfil}}
-
-% The @error{} command.
-% Adapted from the TeXbook's \boxit.
-%
-\newbox\errorbox
-%
-{\tentt \global\dimen0 = 3em}% Width of the box.
-\dimen2 = .55pt % Thickness of rules
-% The text. (`r' is open on the right, `e' somewhat less so on the left.)
-\setbox0 = \hbox{\kern-.75pt \reducedsf error\kern-1.5pt}
-%
-\setbox\errorbox=\hbox to \dimen0{\hfil
- \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right.
- \advance\hsize by -2\dimen2 % Rules.
- \vbox{%
- \hrule height\dimen2
- \hbox{\vrule width\dimen2 \kern3pt % Space to left of text.
- \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below.
- \kern3pt\vrule width\dimen2}% Space to right.
- \hrule height\dimen2}
- \hfil}
-%
-\def\error{\leavevmode\lower.7ex\copy\errorbox}
-
-% @tex ... @end tex escapes into raw Tex temporarily.
+% @tex ... @end tex escapes into raw TeX temporarily.
% One exception: @ is still an escape character, so that @end tex works.
-% But \@ or @@ will get a plain tex @ character.
+% But \@ or @@ will get a plain @ character.
\envdef\tex{%
+ \setupmarkupstyle{tex}%
\catcode `\\=0 \catcode `\{=1 \catcode `\}=2
\catcode `\$=3 \catcode `\&=4 \catcode `\#=6
\catcode `\^=7 \catcode `\_=8 \catcode `\~=\active \let~=\tie
@@ -5695,8 +6340,15 @@ end
\catcode `\|=\other
\catcode `\<=\other
\catcode `\>=\other
+ \catcode `\`=\other
+ \catcode `\'=\other
\escapechar=`\\
%
+ % ' is active in math mode (mathcode"8000). So reset it, and all our
+ % other math active characters (just in case), to plain's definitions.
+ \mathactive
+ %
+ % Inverse of the list at the beginning of the file.
\let\b=\ptexb
\let\bullet=\ptexbullet
\let\c=\ptexc
@@ -5712,8 +6364,11 @@ end
\let\+=\tabalign
\let\}=\ptexrbrace
\let\/=\ptexslash
+ \let\sp=\ptexsp
\let\*=\ptexstar
+ %\let\sup=\ptexsup % do not redefine, we want @sup to work in math mode
\let\t=\ptext
+ \expandafter \let\csname top\endcsname=\ptextop % we've made it outer
\let\frenchspacing=\plainfrenchspacing
%
\def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}%
@@ -5797,8 +6452,12 @@ end
% side, and for 6pt waste from
% each corner char, and rule thickness
\normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip
- % Flag to tell @lisp, etc., not to narrow margin.
- \let\nonarrowing = t%
+ %
+ % If this cartouche directly follows a sectioning command, we need the
+ % \parskip glue (backspaced over by default) or the cartouche can
+ % collide with the section heading.
+ \ifnum\lastpenalty>10000 \vskip\parskip \penalty\lastpenalty \fi
+ %
\vbox\bgroup
\baselineskip=0pt\parskip=0pt\lineskip=0pt
\carttop
@@ -5812,7 +6471,7 @@ end
\lineskip=\normlskip
\parskip=\normpskip
\vskip -\parskip
- \comment % For explanation, see the end of \def\group.
+ \comment % For explanation, see the end of def\group.
}
\def\Ecartouche{%
\ifhmode\par\fi
@@ -5829,14 +6488,20 @@ end
% This macro is called at the beginning of all the @example variants,
% inside a group.
+\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
\parskip = 0pt
+ % Turn off paragraph indentation but redefine \indent to emulate
+ % the normal \indent.
+ \nonfillparindent=\parindent
\parindent = 0pt
+ \let\indent\nonfillindent
+ %
\emergencystretch = 0pt % don't try to avoid overfull boxes
\ifx\nonarrowing\relax
\advance \leftskip by \lispnarrowing
@@ -5847,6 +6512,24 @@ end
\let\exdent=\nofillexdent
}
+\begingroup
+\obeyspaces
+% We want to swallow spaces (but not other tokens) after the fake
+% @indent in our nonfill-environments, where spaces are normally
+% active and set to @tie, resulting in them not being ignored after
+% @indent.
+\gdef\nonfillindent{\futurelet\temp\nonfillindentcheck}%
+\gdef\nonfillindentcheck{%
+\ifx\temp %
+\expandafter\nonfillindentgobble%
+\else%
+\leavevmode\nonfillindentbox%
+\fi%
+}%
+\endgroup
+\def\nonfillindentgobble#1{\nonfillindent}
+\def\nonfillindentbox{\hbox to \nonfillparindent{\hss}}
+
% If you want all examples etc. small: @set dispenvsize small.
% If you want even small examples the full size: @set dispenvsize nosmall.
% This affects the following displayed environments:
@@ -5874,41 +6557,42 @@ end
}
% We often define two environments, @foo and @smallfoo.
-% Let's do it by one command:
-\def\makedispenv #1#2{
- \expandafter\envdef\csname#1\endcsname {\setnormaldispenv #2}
- \expandafter\envdef\csname small#1\endcsname {\setsmalldispenv #2}
+% Let's do it in one command. #1 is the env name, #2 the definition.
+\def\makedispenvdef#1#2{%
+ \expandafter\envdef\csname#1\endcsname {\setnormaldispenv #2}%
+ \expandafter\envdef\csname small#1\endcsname {\setsmalldispenv #2}%
\expandafter\let\csname E#1\endcsname \afterenvbreak
\expandafter\let\csname Esmall#1\endcsname \afterenvbreak
}
-% Define two synonyms:
-\def\maketwodispenvs #1#2#3{
- \makedispenv{#1}{#3}
- \makedispenv{#2}{#3}
+% Define two environment synonyms (#1 and #2) for an environment.
+\def\maketwodispenvdef#1#2#3{%
+ \makedispenvdef{#1}{#3}%
+ \makedispenvdef{#2}{#3}%
}
-
-% @lisp: indented, narrowed, typewriter font; @example: same as @lisp.
+%
+% @lisp: indented, narrowed, typewriter font;
+% @example: same as @lisp.
%
% @smallexample and @smalllisp: use smaller fonts.
% Originally contributed by Pavel@xerox.
%
-\maketwodispenvs {lisp}{example}{%
+\maketwodispenvdef{lisp}{example}{%
\nonfillstart
- \tt\quoteexpand
+ \tt\setupmarkupstyle{example}%
\let\kbdfont = \kbdexamplefont % Allow @kbd to do something special.
- \gobble % eat return
+ \gobble % eat return
}
% @display/@smalldisplay: same as @lisp except keep current font.
%
-\makedispenv {display}{%
+\makedispenvdef{display}{%
\nonfillstart
\gobble
}
% @format/@smallformat: same as @display except don't narrow margins.
%
-\makedispenv{format}{%
+\makedispenvdef{format}{%
\let\nonarrowing = t%
\nonfillstart
\gobble
@@ -5927,28 +6611,51 @@ end
\envdef\flushright{%
\let\nonarrowing = t%
\nonfillstart
- \advance\leftskip by 0pt plus 1fill
+ \advance\leftskip by 0pt plus 1fill\relax
\gobble
}
\let\Eflushright = \afterenvbreak
+% @raggedright does more-or-less normal line breaking but no right
+% justification. From plain.tex. Don't stretch around special
+% characters in urls in this environment, since the stretch at the right
+% should be enough.
+\envdef\raggedright{%
+ \rightskip0pt plus2.4em \spaceskip.3333em \xspaceskip.5em\relax
+ \def\urefprestretchamount{0pt}%
+ \def\urefpoststretchamount{0pt}%
+}
+\let\Eraggedright\par
+
+\envdef\raggedleft{%
+ \parindent=0pt \leftskip0pt plus2em
+ \spaceskip.3333em \xspaceskip.5em \parfillskip=0pt
+ \hbadness=10000 % Last line will usually be underfull, so turn off
+ % badness reporting.
+}
+\let\Eraggedleft\par
+
+\envdef\raggedcenter{%
+ \parindent=0pt \rightskip0pt plus1em \leftskip0pt plus1em
+ \spaceskip.3333em \xspaceskip.5em \parfillskip=0pt
+ \hbadness=10000 % Last line will usually be underfull, so turn off
+ % badness reporting.
+}
+\let\Eraggedcenter\par
+
+
% @quotation does normal linebreaking (hence we can't use \nonfillstart)
% and narrows the margins. We keep \parskip nonzero in general, since
% we're doing normal filling. So, when using \aboveenvbreak and
% \afterenvbreak, temporarily make \parskip 0.
%
-\envdef\quotation{%
- {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip
- \parindent=0pt
- %
- % @cartouche defines \nonarrowing to inhibit narrowing at next level down.
+\makedispenvdef{quotation}{\quotationstart}
+%
+\def\quotationstart{%
+ \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
}
@@ -5958,12 +6665,13 @@ end
%
\def\Equotation{%
\par
- \ifx\quotationauthor\undefined\else
+ \ifx\quotationauthor\thisisundefined\else
% indent a bit.
\leftline{\kern 2\leftskip \sl ---\quotationauthor}%
\fi
{\parskip=0pt \afterenvbreak}%
}
+\def\Esmallquotation{\Equotation}
% If we're given an argument, typeset it in bold with a colon after.
\def\quotationlabel#1{%
@@ -5973,6 +6681,32 @@ end
\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,
@@ -5988,18 +6722,16 @@ end
\do\ \do\\\do\{\do\}\do\$\do\&%
\do\#\do\^\do\^^K\do\_\do\^^A\do\%\do\~%
\do\<\do\>\do\|\do\@\do+\do\"%
+ % Don't do the quotes -- if we do, @set txicodequoteundirected and
+ % @set txicodequotebacktick will not have effect on @verb and
+ % @verbatim, and ?` and !` ligatures won't get disabled.
+ %\do\`\do\'%
}
%
% [Knuth] p. 380
\def\uncatcodespecials{%
\def\do##1{\catcode`##1=\other}\dospecials}
%
-% [Knuth] pp. 380,381,391
-% Disable Spanish ligatures ?` and !` of \tt font
-\begingroup
- \catcode`\`=\active\gdef`{\relax\lq}
-\endgroup
-%
% Setup for the @verb command.
%
% Eight spaces for a tab
@@ -6011,7 +6743,7 @@ end
\def\setupverb{%
\tt % easiest (and conventionally used) font for verbatim
\def\par{\leavevmode\endgraf}%
- \catcode`\`=\active
+ \setupmarkupstyle{verb}%
\tabeightspaces
% Respect line breaks,
% print special symbols as themselves, and
@@ -6022,73 +6754,46 @@ end
% Setup for the @verbatim environment
%
-% Real tab expansion
+% Real tab expansion.
\newdimen\tabw \setbox0=\hbox{\tt\space} \tabw=8\wd0 % tab amount
%
-\def\starttabbox{\setbox0=\hbox\bgroup}
-
-% Allow an option to not replace quotes with a regular directed right
-% quote/apostrophe (char 0x27), but instead use the undirected quote
-% from cmtt (char 0x0d). The undirected quote is ugly, so don't make it
-% the default, but it works for pasting with more pdf viewers (at least
-% evince), the lilypond developers report. xpdf does work with the
-% regular 0x27.
-%
-\def\codequoteright{%
- \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax
- \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax
- '%
- \else \char'15 \fi
- \else \char'15 \fi
-}
-%
-% and a similar option for the left quote char vs. a grave accent.
-% Modern fonts display ASCII 0x60 as a grave accent, so some people like
-% the code environments to do likewise.
-%
-\def\codequoteleft{%
- \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax
- \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax
- `%
- \else \char'22 \fi
- \else \char'22 \fi
-}
+% We typeset each line of the verbatim in an \hbox, so we can handle
+% tabs. The \global is in case the verbatim line starts with an accent,
+% or some other command that starts with a begin-group. Otherwise, the
+% entire \verbbox would disappear at the corresponding end-group, before
+% it is typeset. Meanwhile, we can't have nested verbatim commands
+% (can we?), so the \global won't be overwriting itself.
+\newbox\verbbox
+\def\starttabbox{\global\setbox\verbbox=\hbox\bgroup}
%
\begingroup
\catcode`\^^I=\active
\gdef\tabexpand{%
\catcode`\^^I=\active
\def^^I{\leavevmode\egroup
- \dimen0=\wd0 % the width so far, or since the previous tab
- \divide\dimen0 by\tabw
- \multiply\dimen0 by\tabw % compute previous multiple of \tabw
- \advance\dimen0 by\tabw % advance to next multiple of \tabw
- \wd0=\dimen0 \box0 \starttabbox
+ \dimen\verbbox=\wd\verbbox % the width so far, or since the previous tab
+ \divide\dimen\verbbox by\tabw
+ \multiply\dimen\verbbox by\tabw % compute previous multiple of \tabw
+ \advance\dimen\verbbox by\tabw % advance to next multiple of \tabw
+ \wd\verbbox=\dimen\verbbox \box\verbbox \starttabbox
}%
}
- \catcode`\'=\active
- \gdef\rquoteexpand{\catcode\rquoteChar=\active \def'{\codequoteright}}%
- %
- \catcode`\`=\active
- \gdef\lquoteexpand{\catcode\lquoteChar=\active \def`{\codequoteleft}}%
- %
- \gdef\quoteexpand{\rquoteexpand \lquoteexpand}%
\endgroup
% start the verbatim environment.
\def\setupverbatim{%
\let\nonarrowing = t%
\nonfillstart
- % Easiest (and conventionally used) font for verbatim
- \tt
- \def\par{\leavevmode\egroup\box0\endgraf}%
- \catcode`\`=\active
+ \tt % easiest (and conventionally used) font for verbatim
+ % The \leavevmode here is for blank lines. Otherwise, we would
+ % never \starttabox and the \egroup would end verbatim mode.
+ \def\par{\leavevmode\egroup\box\verbbox\endgraf}%
\tabexpand
- \quoteexpand
+ \setupmarkupstyle{verbatim}%
% Respect line breaks,
% print special symbols as themselves, and
- % make each space count
- % must do in this order:
+ % make each space count.
+ % Must do in this order:
\obeylines \uncatcodespecials \sepspaces
\everypar{\starttabbox}%
}
@@ -6144,6 +6849,8 @@ end
{%
\makevalueexpandable
\setupverbatim
+ \indexnofonts % Allow `@@' and other weird things in file names.
+ \wlog{texinfo.tex: doing @verbatiminclude of #1^^J}%
\input #1
\afterenvbreak
}%
@@ -6193,7 +6900,7 @@ end
% 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.
@@ -6230,7 +6937,7 @@ end
#1#2 \endheader
% common ending:
\interlinepenalty = 10000
- \advance\rightskip by 0pt plus 1fil
+ \advance\rightskip by 0pt plus 1fil\relax
\endgraf
\nobreak\vskip -\parskip
\penalty\defunpenalty % signal to \startdefun and \dodefunx
@@ -6243,7 +6950,7 @@ end
\def\Edefun{\endgraf\medbreak}
% \makedefun{deffn} creates \deffn, \deffnx and \Edeffn;
-% the only thing remainnig is to define \deffnheader.
+% the only thing remaining is to define \deffnheader.
%
\def\makedefun#1{%
\expandafter\let\csname E#1\endcsname = \Edefun
@@ -6260,13 +6967,36 @@ end
\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{}}
@@ -6285,7 +7015,7 @@ end
\defname{#2}{}{#3}\magicamp\defunargs{#4\unskip}%
}
-%%% Typed functions:
+% Typed functions:
% @deftypefn category type name args
\makedefun{deftypefn}{\deftypefngeneral{}}
@@ -6300,10 +7030,11 @@ end
%
\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{}}
@@ -6321,7 +7052,7 @@ end
\defname{#2}{#3}{#4}\defunargs{#5\unskip}%
}
-%%% Untyped variables:
+% Untyped variables:
% @defvr category var args
\makedefun{defvr}#1 {\deftypevrheader{#1} {} }
@@ -6332,7 +7063,8 @@ end
% \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}}%
@@ -6360,25 +7092,49 @@ end
% 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
@@ -6400,8 +7156,16 @@ end
% . 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
@@ -6421,8 +7185,11 @@ end
\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.
- \let\var=\ttslanted
+ % 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
}
@@ -6519,7 +7286,7 @@ end
% 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}%
@@ -6530,25 +7297,30 @@ end
}
\fi
-\def\scanmacro#1{%
- \begingroup
- \newlinechar`\^^M
- \let\xeatspaces\eatspaces
- % Undo catcode changes of \startcontents and \doprintindex
- % When called from @insertcopying or (short)caption, we need active
- % backslash to get it printed correctly. Previously, we had
- % \catcode`\\=\other instead. We'll see whether a problem appears
- % with macro expansion. --kasal, 19aug04
- \catcode`\@=0 \catcode`\\=\active \escapechar=`\@
- % ... and \example
- \spaceisspace
- %
- % Append \endinput to make sure that TeX does not see the ending newline.
- % I've verified that it is necessary both for e-TeX and for ordinary TeX
- % --kasal, 29nov03
- \scantokens{#1\endinput}%
- \endgroup
-}
+\def\scanmacro#1{\begingroup
+ \newlinechar`\^^M
+ \let\xeatspaces\eatspaces
+ %
+ % Undo catcode changes of \startcontents and \doprintindex
+ % When called from @insertcopying or (short)caption, we need active
+ % backslash to get it printed correctly. Previously, we had
+ % \catcode`\\=\other instead. We'll see whether a problem appears
+ % with macro expansion. --kasal, 19aug04
+ \catcode`\@=0 \catcode`\\=\active \escapechar=`\@
+ %
+ % ... 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 (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}
\def\scanexp#1{%
\edef\temp{\noexpand\scanmacro{#1}}%
@@ -6576,7 +7348,7 @@ end
% This does \let #1 = #2, with \csnames; that is,
% \let \csname#1\endcsname = \csname#2\endcsname
% (except of course we have to play expansion games).
-%
+%
\def\cslet#1#2{%
\expandafter\let
\csname#1\expandafter\endcsname
@@ -6602,17 +7374,18 @@ end
% Macro bodies are absorbed as an argument in a context where
% all characters are catcode 10, 11 or 12, except \ which is active
-% (as in normal texinfo). It is necessary to change the definition of \.
-
+% (as in normal texinfo). It is necessary to change the definition of \
+% to recognize macro arguments; this is the job of \mbodybackslash.
+%
% Non-ASCII encodings make 8-bit characters active, so un-activate
% them to avoid their expansion. Must do this non-globally, to
% confine the change to the current group.
-
+%
% It's necessary to have hard CRs when the macro is executed. This is
-% done by making ^^M (\endlinechar) catcode 12 when reading the macro
+% done by making ^^M (\endlinechar) catcode 12 when reading the macro
% body, and then making it the \newlinechar in \scanmacro.
-
-\def\scanctxt{%
+%
+\def\scanctxt{% used as subroutine
\catcode`\"=\other
\catcode`\+=\other
\catcode`\<=\other
@@ -6625,13 +7398,13 @@ end
\ifx\declaredencoding\ascii \else \setnonasciicharscatcodenonglobal\other \fi
}
-\def\scanargctxt{%
+\def\scanargctxt{% used for copying and captions, not macros.
\scanctxt
\catcode`\\=\other
\catcode`\^^M=\other
}
-\def\macrobodyctxt{%
+\def\macrobodyctxt{% used for @macro definitions
\scanctxt
\catcode`\{=\other
\catcode`\}=\other
@@ -6639,32 +7412,55 @@ end
\usembodybackslash
}
-\def\macroargctxt{%
+\def\macroargctxt{% used when scanning invocations
\scanctxt
- \catcode`\\=\other
+ \catcode`\\=0
}
+% why catcode 0 for \ in the above? To recognize \\ \{ \} as "escapes"
+% for the single characters \ { }. Thus, we end up with the "commands"
+% that would be written @\ @{ @} in a Texinfo document.
+%
+% We already have @{ and @}. For @\, we define it here, and only for
+% this purpose, to produce a typewriter backslash (so, the @\ that we
+% define for @math can't be used with @macro calls):
+%
+\def\\{\normalbackslash}%
+%
+% We would like to do this for \, too, since that is what makeinfo does.
+% But it is not possible, because Texinfo already has a command @, for a
+% cedilla accent. Documents must use @comma{} instead.
+%
+% \anythingelse will almost certainly be an error of some kind.
% \mbodybackslash is the definition of \ in @macro bodies.
% It maps \foo\ => \csname macarg.foo\endcsname => #N
% where N is the macro parameter number.
% We define \csname macarg.\endcsname to be \realbackslash, so
% \\ in macro replacement text gets you a backslash.
-
+%
{\catcode`@=0 @catcode`@\=@active
@gdef@usembodybackslash{@let\=@mbodybackslash}
@gdef@mbodybackslash#1\{@csname macarg.#1@endcsname}
}
\expandafter\def\csname macarg.\endcsname{\realbackslash}
+\def\margbackslash#1{\char`\#1 }
+
\def\macro{\recursivefalse\parsearg\macroxxx}
\def\rmacro{\recursivetrue\parsearg\macroxxx}
\def\macroxxx#1{%
- \getargs{#1}% now \macname is the macname and \argl the arglist
+ \getargs{#1}% now \macname is the macname and \argl the arglist
\ifx\argl\empty % no arguments
- \paramno=0%
+ \paramno=0\relax
\else
\expandafter\parsemargdef \argl;%
+ \if\paramno>256\relax
+ \ifx\eTeXversion\thisisundefined
+ \errhelp = \EMsimple
+ \errmessage{You need eTeX to compile a file with macros with more than 256 arguments}
+ \fi
+ \fi
\fi
\if1\csname ismacro.\the\macname\endcsname
\message{Warning: redefining \the\macname}%
@@ -6711,46 +7507,268 @@ end
% 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\getmacname#1 #2\relax{\macname={#1}}
\def\getmacargs#1{\def\argl{#1}}
+% For macro processing make @ a letter so that we can make Texinfo private macro names.
+\edef\texiatcatcode{\the\catcode`\@}
+\catcode `@=11\relax
+
% 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.
+% so \defmacro knows what to do. Define \macarg.BLAH for each BLAH
+% in the params list to some hook where the argument is to be expanded. If
+% there are less than 10 arguments that hook is to be replaced by ##N where N
+% is the position in that list, that is to say the macro arguments are to be
+% defined `a la TeX in the macro body.
+%
% That gets used by \mbodybackslash (above).
-
+%
% We need to get `macro parameter char #' into several definitions.
-% The technique used is stolen from LaTeX: let \hash be something
+% 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.
%
% The same technique is used to protect \eatspaces till just before
% the macro is used.
-
-\def\parsemargdef#1;{\paramno=0\def\paramlist{}%
- \let\hash\relax\let\xeatspaces\relax\parsemargdefxxx#1,;,}
+%
+% If there are 10 or more arguments, a different technique is used, where the
+% hook remains in the body, and when macro is to be expanded the body is
+% processed again to replace the arguments.
+%
+% In that case, the hook is \the\toks N-1, and we simply set \toks N-1 to the
+% argument N value and then \edef the body (nothing else will expand because of
+% the catcode regime underwhich the body was input).
+%
+% If you compile with TeX (not eTeX), and you have macros with 10 or more
+% arguments, no macro can have more than 256 arguments (else error).
+\def\parsemargdef#1;{%
+ \paramno=0\def\paramlist{}%
+ \let\hash\relax
+ \let\xeatspaces\relax
+ \parsemargdefxxx#1,;,%
+ % In case that there are 10 or more arguments we parse again the arguments
+ % list to set new definitions for the \macarg.BLAH macros corresponding to
+ % each BLAH argument. It was anyhow needed to parse already once this list
+ % in order to count the arguments, and as macros with at most 9 arguments
+ % are by far more frequent than macro with 10 or more arguments, defining
+ % twice the \macarg.BLAH macros does not cost too much processing power.
+ \ifnum\paramno<10\relax\else
+ \paramno0\relax
+ \parsemmanyargdef@@#1,;,% 10 or more arguments
+ \fi
+}
\def\parsemargdefxxx#1,{%
\if#1;\let\next=\relax
\else \let\next=\parsemargdefxxx
- \advance\paramno by 1%
+ \advance\paramno by 1
\expandafter\edef\csname macarg.\eatspaces{#1}\endcsname
{\xeatspaces{\hash\the\paramno}}%
\edef\paramlist{\paramlist\hash\the\paramno,}%
\fi\next}
+\def\parsemmanyargdef@@#1,{%
+ \if#1;\let\next=\relax
+ \else
+ \let\next=\parsemmanyargdef@@
+ \edef\tempb{\eatspaces{#1}}%
+ \expandafter\def\expandafter\tempa
+ \expandafter{\csname macarg.\tempb\endcsname}%
+ % Note that we need some extra \noexpand\noexpand, this is because we
+ % don't want \the to be expanded in the \parsermacbody as it uses an
+ % \xdef .
+ \expandafter\edef\tempa
+ {\noexpand\noexpand\noexpand\the\toks\the\paramno}%
+ \advance\paramno by 1\relax
+ \fi\next}
+
% These two commands read recursive and nonrecursive macro bodies.
% (They're different since rec and nonrec macros end differently.)
+%
+\catcode `\@\texiatcatcode
\long\def\parsemacbody#1@end macro%
{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}%
\long\def\parsermacbody#1@end rmacro%
{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}%
+\catcode `\@=11\relax
+
+\let\endargs@\relax
+\let\nil@\relax
+\def\nilm@{\nil@}%
+\long\def\nillm@{\nil@}%
+
+% This macro is expanded during the Texinfo macro expansion, not during its
+% definition. It gets all the arguments values and assigns them to macros
+% macarg.ARGNAME
+%
+% #1 is the macro name
+% #2 is the list of argument names
+% #3 is the list of argument values
+\def\getargvals@#1#2#3{%
+ \def\macargdeflist@{}%
+ \def\saveparamlist@{#2}% Need to keep a copy for parameter expansion.
+ \def\paramlist{#2,\nil@}%
+ \def\macroname{#1}%
+ \begingroup
+ \macroargctxt
+ \def\argvaluelist{#3,\nil@}%
+ \def\@tempa{#3}%
+ \ifx\@tempa\empty
+ \setemptyargvalues@
+ \else
+ \getargvals@@
+ \fi
+}
-% This defines the macro itself. There are six cases: recursive and
-% nonrecursive macros of zero, one, and many arguments.
+%
+\def\getargvals@@{%
+ \ifx\paramlist\nilm@
+ % Some sanity check needed here that \argvaluelist is also empty.
+ \ifx\argvaluelist\nillm@
+ \else
+ \errhelp = \EMsimple
+ \errmessage{Too many arguments in macro `\macroname'!}%
+ \fi
+ \let\next\macargexpandinbody@
+ \else
+ \ifx\argvaluelist\nillm@
+ % No more arguments values passed to macro. Set remaining named-arg
+ % macros to empty.
+ \let\next\setemptyargvalues@
+ \else
+ % pop current arg name into \@tempb
+ \def\@tempa##1{\pop@{\@tempb}{\paramlist}##1\endargs@}%
+ \expandafter\@tempa\expandafter{\paramlist}%
+ % pop current argument value into \@tempc
+ \def\@tempa##1{\longpop@{\@tempc}{\argvaluelist}##1\endargs@}%
+ \expandafter\@tempa\expandafter{\argvaluelist}%
+ % Here \@tempb is the current arg name and \@tempc is the current arg value.
+ % First place the new argument macro definition into \@tempd
+ \expandafter\macname\expandafter{\@tempc}%
+ \expandafter\let\csname macarg.\@tempb\endcsname\relax
+ \expandafter\def\expandafter\@tempe\expandafter{%
+ \csname macarg.\@tempb\endcsname}%
+ \edef\@tempd{\long\def\@tempe{\the\macname}}%
+ \push@\@tempd\macargdeflist@
+ \let\next\getargvals@@
+ \fi
+ \fi
+ \next
+}
+
+\def\push@#1#2{%
+ \expandafter\expandafter\expandafter\def
+ \expandafter\expandafter\expandafter#2%
+ \expandafter\expandafter\expandafter{%
+ \expandafter#1#2}%
+}
+
+% Replace arguments by their values in the macro body, and place the result
+% in macro \@tempa
+\def\macvalstoargs@{%
+ % To do this we use the property that token registers that are \the'ed
+ % within an \edef expand only once. So we are going to place all argument
+ % values into respective token registers.
+ %
+ % First we save the token context, and initialize argument numbering.
+ \begingroup
+ \paramno0\relax
+ % Then, for each argument number #N, we place the corresponding argument
+ % value into a new token list register \toks#N
+ \expandafter\putargsintokens@\saveparamlist@,;,%
+ % Then, we expand the body so that argument are replaced by their
+ % values. The trick for values not to be expanded themselves is that they
+ % are within tokens and that tokens expand only once in an \edef .
+ \edef\@tempc{\csname mac.\macroname .body\endcsname}%
+ % Now we restore the token stack pointer to free the token list registers
+ % which we have used, but we make sure that expanded body is saved after
+ % group.
+ \expandafter
+ \endgroup
+ \expandafter\def\expandafter\@tempa\expandafter{\@tempc}%
+ }
+
+\def\macargexpandinbody@{%
+ %% Define the named-macro outside of this group and then close this group.
+ \expandafter
+ \endgroup
+ \macargdeflist@
+ % First the replace in body the macro arguments by their values, the result
+ % is in \@tempa .
+ \macvalstoargs@
+ % Then we point at the \norecurse or \gobble (for recursive) macro value
+ % with \@tempb .
+ \expandafter\let\expandafter\@tempb\csname mac.\macroname .recurse\endcsname
+ % Depending on whether it is recursive or not, we need some tailing
+ % \egroup .
+ \ifx\@tempb\gobble
+ \let\@tempc\relax
+ \else
+ \let\@tempc\egroup
+ \fi
+ % And now we do the real job:
+ \edef\@tempd{\noexpand\@tempb{\macroname}\noexpand\scanmacro{\@tempa}\@tempc}%
+ \@tempd
+}
+
+\def\putargsintokens@#1,{%
+ \if#1;\let\next\relax
+ \else
+ \let\next\putargsintokens@
+ % First we allocate the new token list register, and give it a temporary
+ % alias \@tempb .
+ \toksdef\@tempb\the\paramno
+ % Then we place the argument value into that token list register.
+ \expandafter\let\expandafter\@tempa\csname macarg.#1\endcsname
+ \expandafter\@tempb\expandafter{\@tempa}%
+ \advance\paramno by 1\relax
+ \fi
+ \next
+}
+
+% Save the token stack pointer into macro #1
+\def\texisavetoksstackpoint#1{\edef#1{\the\@cclvi}}
+% Restore the token stack pointer from number in macro #1
+\def\texirestoretoksstackpoint#1{\expandafter\mathchardef\expandafter\@cclvi#1\relax}
+% newtoks that can be used non \outer .
+\def\texinonouternewtoks{\alloc@ 5\toks \toksdef \@cclvi}
+
+% Tailing missing arguments are set to empty
+\def\setemptyargvalues@{%
+ \ifx\paramlist\nilm@
+ \let\next\macargexpandinbody@
+ \else
+ \expandafter\setemptyargvaluesparser@\paramlist\endargs@
+ \let\next\setemptyargvalues@
+ \fi
+ \next
+}
+
+\def\setemptyargvaluesparser@#1,#2\endargs@{%
+ \expandafter\def\expandafter\@tempa\expandafter{%
+ \expandafter\def\csname macarg.#1\endcsname{}}%
+ \push@\@tempa\macargdeflist@
+ \def\paramlist{#2}%
+}
+
+% #1 is the element target macro
+% #2 is the list macro
+% #3,#4\endargs@ is the list value
+\def\pop@#1#2#3,#4\endargs@{%
+ \def#1{#3}%
+ \def#2{#4}%
+}
+\long\def\longpop@#1#2#3,#4\endargs@{%
+ \long\def#1{#3}%
+ \long\def#2{#4}%
+}
+
+% This defines a Texinfo @macro. There are eight cases: recursive and
+% nonrecursive macros of zero, one, up to nine, and many arguments.
% Much magic with \expandafter here.
% \xdef is used so that macro definitions will survive the file
% they're defined in; @include reads the file inside a group.
+%
\def\defmacro{%
\let\hash=##% convert placeholders to macro parameter chars
\ifrecursive
@@ -6765,17 +7783,25 @@ end
\expandafter\noexpand\csname\the\macname xxx\endcsname}%
\expandafter\xdef\csname\the\macname xxx\endcsname##1{%
\egroup\noexpand\scanmacro{\temp}}%
- \else % many
- \expandafter\xdef\csname\the\macname\endcsname{%
- \bgroup\noexpand\macroargctxt
- \noexpand\csname\the\macname xx\endcsname}%
- \expandafter\xdef\csname\the\macname xx\endcsname##1{%
- \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}%
- \expandafter\expandafter
- \expandafter\xdef
- \expandafter\expandafter
- \csname\the\macname xxx\endcsname
- \paramlist{\egroup\noexpand\scanmacro{\temp}}%
+ \else
+ \ifnum\paramno<10\relax % at most 9
+ \expandafter\xdef\csname\the\macname\endcsname{%
+ \bgroup\noexpand\macroargctxt
+ \noexpand\csname\the\macname xx\endcsname}%
+ \expandafter\xdef\csname\the\macname xx\endcsname##1{%
+ \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}%
+ \expandafter\expandafter
+ \expandafter\xdef
+ \expandafter\expandafter
+ \csname\the\macname xxx\endcsname
+ \paramlist{\egroup\noexpand\scanmacro{\temp}}%
+ \else % 10 or more
+ \expandafter\xdef\csname\the\macname\endcsname{%
+ \noexpand\getargvals@{\the\macname}{\argl}%
+ }%
+ \global\expandafter\let\csname mac.\the\macname .body\endcsname\temp
+ \global\expandafter\let\csname mac.\the\macname .recurse\endcsname\gobble
+ \fi
\fi
\else
\ifcase\paramno
@@ -6792,29 +7818,40 @@ end
\egroup
\noexpand\norecurse{\the\macname}%
\noexpand\scanmacro{\temp}\egroup}%
- \else % many
- \expandafter\xdef\csname\the\macname\endcsname{%
- \bgroup\noexpand\macroargctxt
- \expandafter\noexpand\csname\the\macname xx\endcsname}%
- \expandafter\xdef\csname\the\macname xx\endcsname##1{%
- \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}%
- \expandafter\expandafter
- \expandafter\xdef
- \expandafter\expandafter
- \csname\the\macname xxx\endcsname
- \paramlist{%
- \egroup
- \noexpand\norecurse{\the\macname}%
- \noexpand\scanmacro{\temp}\egroup}%
+ \else % at most 9
+ \ifnum\paramno<10\relax
+ \expandafter\xdef\csname\the\macname\endcsname{%
+ \bgroup\noexpand\macroargctxt
+ \expandafter\noexpand\csname\the\macname xx\endcsname}%
+ \expandafter\xdef\csname\the\macname xx\endcsname##1{%
+ \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}%
+ \expandafter\expandafter
+ \expandafter\xdef
+ \expandafter\expandafter
+ \csname\the\macname xxx\endcsname
+ \paramlist{%
+ \egroup
+ \noexpand\norecurse{\the\macname}%
+ \noexpand\scanmacro{\temp}\egroup}%
+ \else % 10 or more:
+ \expandafter\xdef\csname\the\macname\endcsname{%
+ \noexpand\getargvals@{\the\macname}{\argl}%
+ }%
+ \global\expandafter\let\csname mac.\the\macname .body\endcsname\temp
+ \global\expandafter\let\csname mac.\the\macname .recurse\endcsname\norecurse
+ \fi
\fi
\fi}
+\catcode `\@\texiatcatcode\relax
+
\def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}}
% \braceorline decides whether the next nonwhitespace character is a
% {. If so it reads up to the closing }, if not, it reads the whole
% line. Whatever was read is then fed to the next control sequence
-% as an argument (by \parsebrace or \parsearg)
+% as an argument (by \parsebrace or \parsearg).
+%
\def\braceorline#1{\let\macnamexxx=#1\futurelet\nchar\braceorlinexxx}
\def\braceorlinexxx{%
\ifx\nchar\bgroup\else
@@ -6824,7 +7861,8 @@ end
% @alias.
% We need some trickery to remove the optional spaces around the equal
-% sign. Just make them active and then expand them all to nothing.
+% sign. Make them active and then expand them all to nothing.
+%
\def\alias{\parseargusing\obeyspaces\aliasxxx}
\def\aliasxxx #1{\aliasyyy#1\relax}
\def\aliasyyy #1=#2\relax{%
@@ -6845,7 +7883,8 @@ end
% @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
@@ -6906,11 +7945,32 @@ end
\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
@@ -6919,26 +7979,41 @@ end
\def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]}
\def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]}
\def\ref#1{\xrefX[#1,,,,,,,]}
+%
+\newbox\toprefbox
+\newbox\printedrefnamebox
+\newbox\infofilenamebox
+\newbox\printedmanualbox
+%
\def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup
\unsepspaces
- \def\printedmanual{\ignorespaces #5}%
+ %
+ % Get args without leading/trailing spaces.
\def\printedrefname{\ignorespaces #3}%
- \setbox1=\hbox{\printedmanual\unskip}%
- \setbox0=\hbox{\printedrefname\unskip}%
- \ifdim \wd0 = 0pt
+ \setbox\printedrefnamebox = \hbox{\printedrefname\unskip}%
+ %
+ \def\infofilename{\ignorespaces #4}%
+ \setbox\infofilenamebox = \hbox{\infofilename\unskip}%
+ %
+ \def\printedmanual{\ignorespaces #5}%
+ \setbox\printedmanualbox = \hbox{\printedmanual\unskip}%
+ %
+ % If the printed reference name (arg #3) was not explicitly given in
+ % the @xref, figure out what we want to use.
+ \ifdim \wd\printedrefnamebox = 0pt
% No printed node name was explicitly given.
- \expandafter\ifx\csname SETxref-automatic-section-title\endcsname\relax
- % Use the node name inside the square brackets.
+ \expandafter\ifx\csname SETxref-automatic-section-title\endcsname \relax
+ % Not auto section-title: use node name inside the square brackets.
\def\printedrefname{\ignorespaces #1}%
\else
- % Use the actual chapter/section title appear inside
- % the square brackets. Use the real section title if we have it.
- \ifdim \wd1 > 0pt
- % It is in another manual, so we don't have it.
+ % Auto section-title: use chapter/section title inside
+ % the square brackets if we have it.
+ \ifdim \wd\printedmanualbox > 0pt
+ % It is in another manual, so we don't have it; use node name.
\def\printedrefname{\ignorespaces #1}%
\else
\ifhavexrefs
- % We know the real title if we have the xref values.
+ % We (should) know the real title if we have the xref values.
\def\printedrefname{\refx{#1-title}{}}%
\else
% Otherwise just copy the Info node name.
@@ -6950,20 +8025,29 @@ end
%
% Make link in pdf output.
\ifpdf
- \leavevmode
- \getfilename{#4}%
{\indexnofonts
\turnoffactive
- % See comments at \activebackslashdouble.
- {\activebackslashdouble \xdef\pdfxrefdest{#1}%
- \backslashparens\pdfxrefdest}%
+ \makevalueexpandable
+ % This expands tokens, so do it after making catcode changes, so _
+ % etc. don't get their TeX definitions. This ignores all spaces in
+ % #4, including (wrongly) those in the middle of the filename.
+ \getfilename{#4}%
+ %
+ % This (wrongly) does not take account of leading or trailing
+ % spaces in #1, which should be ignored.
+ \edef\pdfxrefdest{#1}%
+ \ifx\pdfxrefdest\empty
+ \def\pdfxrefdest{Top}% no empty targets
+ \else
+ \txiescapepdf\pdfxrefdest % escape PDF special chars
+ \fi
%
+ \leavevmode
+ \startlink attr{/Border [0 0 0]}%
\ifnum\filenamelength>0
- \startlink attr{/Border [0 0 0]}%
- goto file{\the\filename.pdf} name{\pdfxrefdest}%
+ goto file{\the\filename.pdf} name{\pdfxrefdest}%
\else
- \startlink attr{/Border [0 0 0]}%
- goto name{\pdfmkpgn{\pdfxrefdest}}%
+ goto name{\pdfmkpgn{\pdfxrefdest}}%
\fi
}%
\setcolor{\linkcolor}%
@@ -6983,29 +8067,42 @@ end
\iffloat\Xthisreftitle
% If the user specified the print name (third arg) to the ref,
% print it instead of our usual "Figure 1.2".
- \ifdim\wd0 = 0pt
+ \ifdim\wd\printedrefnamebox = 0pt
\refx{#1-snt}{}%
\else
\printedrefname
\fi
%
- % if the user also gave the printed manual name (fifth arg), append
+ % If the user also gave the printed manual name (fifth arg), append
% "in MANUALNAME".
- \ifdim \wd1 > 0pt
+ \ifdim \wd\printedmanualbox > 0pt
\space \putwordin{} \cite{\printedmanual}%
\fi
\else
% node/anchor (non-float) references.
+ %
+ % If we use \unhbox to print the node names, TeX does not insert
+ % empty discretionaries after hyphens, which means that it will not
+ % find a line break at a hyphen in a node names. Since some manuals
+ % are best written with fairly long node names, containing hyphens,
+ % this is a loss. Therefore, we give the text of the node name
+ % again, so it is as if TeX is seeing it for the first time.
+ %
+ \ifdim \wd\printedmanualbox > 0pt
+ % Cross-manual reference with a printed manual name.
+ %
+ \crossmanualxref{\cite{\printedmanual\unskip}}%
+ %
+ \else\ifdim \wd\infofilenamebox > 0pt
+ % Cross-manual reference with only an info filename (arg 4), no
+ % printed manual name (arg 5). This is essentially the same as
+ % the case above; we output the filename, since we have nothing else.
+ %
+ \crossmanualxref{\code{\infofilename\unskip}}%
%
- % If we use \unhbox0 and \unhbox1 to print the node names, TeX does not
- % insert empty discretionaries after hyphens, which means that it will
- % not find a line break at a hyphen in a node names. Since some manuals
- % are best written with fairly long node names, containing hyphens, this
- % is a loss. Therefore, we give the text of the node name again, so it
- % is as if TeX is seeing it for the first time.
- \ifdim \wd1 > 0pt
- \putwordSection{} ``\printedrefname'' \putwordin{} \cite{\printedmanual}%
\else
+ % Reference within this manual.
+ %
% _ (for example) has to be the character _ for the purposes of the
% control sequence corresponding to the node, but it has to expand
% into the usual \leavevmode...\vrule stuff for purposes of
@@ -7017,7 +8114,7 @@ end
\setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}%
\ifdim \wd2 > 0pt \refx{#1-snt}\space\fi
}%
- % output the `[mynode]' via a macro so it can be overridden.
+ % output the `[mynode]' via the macro below so it can be overridden.
\xrefprintnodename\printedrefname
%
% But we always want a comma and a space:
@@ -7025,11 +8122,37 @@ end
%
% output the `page 3'.
\turnoffactive \putwordpage\tie\refx{#1-pg}{}%
- \fi
+ \fi\fi
\fi
\endlink
\endgroup}
+% Output a cross-manual xref to #1. Used just above (twice).
+%
+% Only include the text "Section ``foo'' in" if the foo is neither
+% missing or Top. Thus, @xref{,,,foo,The Foo Manual} outputs simply
+% "see The Foo Manual", the idea being to refer to the whole manual.
+%
+% But, this being TeX, we can't easily compare our node name against the
+% string "Top" while ignoring the possible spaces before and after in
+% the input. By adding the arbitrary 7sp below, we make it much less
+% likely that a real node name would have the same width as "Top" (e.g.,
+% in a monospaced font). Hopefully it will never happen in practice.
+%
+% For the same basic reason, we retypeset the "Top" at every
+% reference, since the current font is indeterminate.
+%
+\def\crossmanualxref#1{%
+ \setbox\toprefbox = \hbox{Top\kern7sp}%
+ \setbox2 = \hbox{\ignorespaces \printedrefname \unskip \kern7sp}%
+ \ifdim \wd2 > 7sp % nonempty?
+ \ifdim \wd2 = \wd\toprefbox \else % same as Top?
+ \putwordSection{} ``\printedrefname'' \putwordin{}\space
+ \fi
+ \fi
+ #1%
+}
+
% This macro is called from \xrefX for the `[nodename]' part of xref
% output. It's a separate macro only so it can be changed more easily,
% since square brackets don't work well in some documents. Particularly
@@ -7080,7 +8203,8 @@ end
\angleleft un\-de\-fined\angleright
\iflinks
\ifhavexrefs
- \message{\linenumber Undefined cross reference `#1'.}%
+ {\toks0 = {#1}% avoid expansion of possibly-complex value
+ \message{\linenumber Undefined cross reference `\the\toks0'.}}%
\else
\ifwarnedxrefs\else
\global\warnedxrefstrue
@@ -7244,15 +8368,13 @@ end
% space to prevent strange expansion errors.)
\def\supereject{\par\penalty -20000\footnoteno =0 }
-% @footnotestyle is meaningful for info output only.
+% @footnotestyle is meaningful for Info output only.
\let\footnotestyle=\comment
{\catcode `\@=11
%
% Auto-number footnotes. Otherwise like plain.
\gdef\footnote{%
- \let\indent=\ptexindent
- \let\noindent=\ptexnoindent
\global\advance\footnoteno by \@ne
\edef\thisfootno{$^{\the\footnoteno}$}%
%
@@ -7276,6 +8398,11 @@ end
%
\gdef\dofootnote{%
\insert\footins\bgroup
+ %
+ % Nested footnotes are not supported in TeX, that would take a lot
+ % more work. (\startsavinginserts does not suffice.)
+ \let\footnote=\errfootnotenest
+ %
% We want to typeset this text as a normal paragraph, even if the
% footnote reference occurs in (for example) a display environment.
% So reset some parameters.
@@ -7307,17 +8434,30 @@ end
% expands into a box, it must come within the paragraph, lest it
% provide a place where TeX can split the footnote.
\footstrut
+ %
+ % Invoke rest of plain TeX footnote routine.
\futurelet\next\fo@t
}
}%end \catcode `\@=11
+\def\errfootnotenest{%
+ \errhelp=\EMsimple
+ \errmessage{Nested footnotes not supported in texinfo.tex,
+ even though they work in makeinfo; sorry}
+}
+
+\def\errfootnoteheading{%
+ \errhelp=\EMsimple
+ \errmessage{Footnotes in chapters, sections, etc., are not supported}
+}
+
% In case a @footnote appears in a vbox, save the footnote text and create
% the real \insert just after the vbox finished. Otherwise, the insertion
% would be lost.
-% Similarily, if a @footnote appears inside an alignment, save the footnote
+% Similarly, if a @footnote appears inside an alignment, save the footnote
% text to a box and make the \insert when a row of the table is finished.
% And the same can be done for other insert classes. --kasal, 16nov03.
-
+%
% Replace the \insert primitive by a cheating macro.
% Deeper inside, just make sure that the saved insertions are not spilled
% out prematurely.
@@ -7394,7 +8534,7 @@ end
it from ftp://tug.org/tex/epsf.tex.}
%
\def\image#1{%
- \ifx\epsfbox\undefined
+ \ifx\epsfbox\thisisundefined
\ifwarnednoepsf \else
\errhelp = \noepsfhelp
\errmessage{epsf.tex not found, images will be ignored}%
@@ -7410,7 +8550,7 @@ end
% #2 is (optional) width, #3 is (optional) height.
% #4 is (ignored optional) html alt text.
% #5 is (ignored optional) extension.
-% #6 is just the usual extra ignored arg for parsing this stuff.
+% #6 is just the usual extra ignored arg for parsing stuff.
\newif\ifimagevmode
\def\imagexxx#1,#2,#3,#4,#5,#6\finish{\begingroup
\catcode`\^^M = 5 % in case we're inside an example
@@ -7418,15 +8558,30 @@ end
% If the image is by itself, center it.
\ifvmode
\imagevmodetrue
- \nobreak\bigskip
+ \else \ifx\centersub\centerV
+ % for @center @image, we need a vbox so we can have our vertical space
+ \imagevmodetrue
+ \vbox\bgroup % vbox has better behavior than vtop herev
+ \fi\fi
+ %
+ \ifimagevmode
+ \nobreak\medskip
% Usually we'll have text after the image which will insert
% \parskip glue, so insert it here too to equalize the space
% above and below.
\nobreak\vskip\parskip
\nobreak
- \line\bgroup
\fi
%
+ % Leave vertical mode so that indentation from an enclosing
+ % environment such as @quotation is respected.
+ % However, if we're at the top level, we don't want the
+ % normal paragraph indentation.
+ % On the other hand, if we are in the case of @center @image, we don't
+ % want to start a paragraph, which will create a hsize-width box and
+ % eradicate the centering.
+ \ifx\centersub\centerV\else \noindent \fi
+ %
% Output the image.
\ifpdf
\dopdfimage{#1}{#2}{#3}%
@@ -7437,7 +8592,10 @@ end
\epsfbox{#1.eps}%
\fi
%
- \ifimagevmode \egroup \bigbreak \fi % space after the image
+ \ifimagevmode
+ \medskip % space after a standalone image
+ \fi
+ \ifx\centersub\centerV \egroup \fi
\endgroup}
@@ -7709,47 +8867,75 @@ end
\message{localization,}
-% @documentlanguage is usually given very early, just after
-% @setfilename. If done too late, it may not override everything
-% properly. Single argument is the language (de) or locale (de_DE)
-% abbreviation. It would be nice if we could set up a hyphenation file.
+% For single-language documents, @documentlanguage is usually given very
+% early, just after @documentencoding. Single argument is the language
+% (de) or locale (de_DE) abbreviation.
%
{
\catcode`\_ = \active
\globaldefs=1
-\parseargdef\documentlanguage{\begingroup
- \let_=\normalunderscore % normal _ character for filenames
+\parseargdef\documentlanguage{%
\tex % read txi-??.tex file in plain TeX.
% Read the file by the name they passed if it exists.
+ \let_ = \normalunderscore % normal _ character for filename test
\openin 1 txi-#1.tex
\ifeof 1
- \documentlanguagetrywithoutunderscore{#1_\finish}%
+ \documentlanguagetrywithoutunderscore #1_\finish
\else
+ \globaldefs = 1 % everything in the txi-LL files needs to persist
\input txi-#1.tex
\fi
\closein 1
- \endgroup
-\endgroup}
+ \endgroup % end raw TeX
}
%
% If they passed de_DE, and txi-de_DE.tex doesn't exist,
% try txi-de.tex.
-%
-\def\documentlanguagetrywithoutunderscore#1_#2\finish{%
+%
+\gdef\documentlanguagetrywithoutunderscore#1_#2\finish{%
\openin 1 txi-#1.tex
\ifeof 1
\errhelp = \nolanghelp
\errmessage{Cannot read language file txi-#1.tex}%
\else
+ \globaldefs = 1 % everything in the txi-LL files needs to persist
\input txi-#1.tex
\fi
\closein 1
}
+}% end of special _ catcode
%
\newhelp\nolanghelp{The given language definition file cannot be found or
-is empty. Maybe you need to install it? In the current directory
-should work if nowhere else does.}
+is empty. Maybe you need to install it? Putting it in the current
+directory should work if nowhere else does.}
+
+% This macro is called from txi-??.tex files; the first argument is the
+% \language name to set (without the "\lang@" prefix), the second and
+% third args are \{left,right}hyphenmin.
+%
+% The language names to pass are determined when the format is built.
+% See the etex.log file created at that time, e.g.,
+% /usr/local/texlive/2008/texmf-var/web2c/pdftex/etex.log.
+%
+% With TeX Live 2008, etex now includes hyphenation patterns for all
+% available languages. This means we can support hyphenation in
+% Texinfo, at least to some extent. (This still doesn't solve the
+% accented characters problem.)
+%
+\catcode`@=11
+\def\txisetlanguage#1#2#3{%
+ % do not set the language if the name is undefined in the current TeX.
+ \expandafter\ifx\csname lang@#1\endcsname \relax
+ \message{no patterns for #1}%
+ \else
+ \global\language = \csname lang@#1\endcsname
+ \fi
+ % but there is no harm in adjusting the hyphenmin values regardless.
+ \global\lefthyphenmin = #2\relax
+ \global\righthyphenmin = #3\relax
+}
+% Helpers for encodings.
% Set the catcode of characters 128 through 255 to the specified number.
%
\def\setnonasciicharscatcode#1{%
@@ -7790,7 +8976,7 @@ should work if nowhere else does.}
\setnonasciicharscatcode\active
\lattwochardefs
%
- \else \ifx \declaredencoding \latone
+ \else \ifx \declaredencoding \latone
\setnonasciicharscatcode\active
\latonechardefs
%
@@ -7802,7 +8988,7 @@ should work if nowhere else does.}
\setnonasciicharscatcode\active
\utfeightchardefs
%
- \else
+ \else
\message{Unknown document encoding #1, ignoring.}%
%
\fi % utfeight
@@ -7814,7 +9000,7 @@ should work if nowhere else does.}
% A message to be logged when using a character that isn't available
% the default font encoding (OT1).
-%
+%
\def\missingcharmsg#1{\message{Character missing in OT1 encoding: #1.}}
% Take account of \c (plain) vs. \, (Texinfo) difference.
@@ -7827,21 +9013,21 @@ should work if nowhere else does.}
%
% Latin1 (ISO-8859-1) character definitions.
\def\latonechardefs{%
- \gdef^^a0{~}
+ \gdef^^a0{\tie}
\gdef^^a1{\exclamdown}
- \gdef^^a2{\missingcharmsg{CENT SIGN}}
+ \gdef^^a2{\missingcharmsg{CENT SIGN}}
\gdef^^a3{{\pounds}}
\gdef^^a4{\missingcharmsg{CURRENCY SIGN}}
\gdef^^a5{\missingcharmsg{YEN SIGN}}
- \gdef^^a6{\missingcharmsg{BROKEN BAR}}
+ \gdef^^a6{\missingcharmsg{BROKEN BAR}}
\gdef^^a7{\S}
- \gdef^^a8{\"{}}
- \gdef^^a9{\copyright}
+ \gdef^^a8{\"{}}
+ \gdef^^a9{\copyright}
\gdef^^aa{\ordf}
- \gdef^^ab{\missingcharmsg{LEFT-POINTING DOUBLE ANGLE QUOTATION MARK}}
+ \gdef^^ab{\guillemetleft}
\gdef^^ac{$\lnot$}
- \gdef^^ad{\-}
- \gdef^^ae{\registeredsymbol}
+ \gdef^^ad{\-}
+ \gdef^^ae{\registeredsymbol}
\gdef^^af{\={}}
%
\gdef^^b0{\textdegree}
@@ -7857,7 +9043,7 @@ should work if nowhere else does.}
\gdef^^b9{$^1$}
\gdef^^ba{\ordm}
%
- \gdef^^bb{\missingcharmsg{RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK}}
+ \gdef^^bb{\guillemetright}
\gdef^^bc{$1\over4$}
\gdef^^bd{$1\over2$}
\gdef^^be{$3\over4$}
@@ -7868,7 +9054,7 @@ should work if nowhere else does.}
\gdef^^c2{\^A}
\gdef^^c3{\~A}
\gdef^^c4{\"A}
- \gdef^^c5{\ringaccent A}
+ \gdef^^c5{\ringaccent A}
\gdef^^c6{\AE}
\gdef^^c7{\cedilla C}
\gdef^^c8{\`E}
@@ -7880,7 +9066,7 @@ should work if nowhere else does.}
\gdef^^ce{\^I}
\gdef^^cf{\"I}
%
- \gdef^^d0{\missingcharmsg{LATIN CAPITAL LETTER ETH}}
+ \gdef^^d0{\DH}
\gdef^^d1{\~N}
\gdef^^d2{\`O}
\gdef^^d3{\'O}
@@ -7894,7 +9080,7 @@ should work if nowhere else does.}
\gdef^^db{\^U}
\gdef^^dc{\"U}
\gdef^^dd{\'Y}
- \gdef^^de{\missingcharmsg{LATIN CAPITAL LETTER THORN}}
+ \gdef^^de{\TH}
\gdef^^df{\ss}
%
\gdef^^e0{\`a}
@@ -7914,7 +9100,7 @@ should work if nowhere else does.}
\gdef^^ee{\^{\dotless i}}
\gdef^^ef{\"{\dotless i}}
%
- \gdef^^f0{\missingcharmsg{LATIN SMALL LETTER ETH}}
+ \gdef^^f0{\dh}
\gdef^^f1{\~n}
\gdef^^f2{\`o}
\gdef^^f3{\'o}
@@ -7928,7 +9114,7 @@ should work if nowhere else does.}
\gdef^^fb{\^u}
\gdef^^fc{\"u}
\gdef^^fd{\'y}
- \gdef^^fe{\missingcharmsg{LATIN SMALL LETTER THORN}}
+ \gdef^^fe{\th}
\gdef^^ff{\"y}
}
@@ -7949,8 +9135,8 @@ should work if nowhere else does.}
% Latin2 (ISO-8859-2) character definitions.
\def\lattwochardefs{%
- \gdef^^a0{~}
- \gdef^^a1{\missingcharmsg{LATIN CAPITAL LETTER A WITH OGONEK}}
+ \gdef^^a0{\tie}
+ \gdef^^a1{\ogonek{A}}
\gdef^^a2{\u{}}
\gdef^^a3{\L}
\gdef^^a4{\missingcharmsg{CURRENCY SIGN}}
@@ -7967,8 +9153,8 @@ should work if nowhere else does.}
\gdef^^af{\dotaccent Z}
%
\gdef^^b0{\textdegree}
- \gdef^^b1{\missingcharmsg{LATIN SMALL LETTER A WITH OGONEK}}
- \gdef^^b2{\missingcharmsg{OGONEK}}
+ \gdef^^b1{\ogonek{a}}
+ \gdef^^b2{\ogonek{ }}
\gdef^^b3{\l}
\gdef^^b4{\'{}}
\gdef^^b5{\v l}
@@ -7993,14 +9179,14 @@ should work if nowhere else does.}
\gdef^^c7{\cedilla C}
\gdef^^c8{\v C}
\gdef^^c9{\'E}
- \gdef^^ca{\missingcharmsg{LATIN CAPITAL LETTER E WITH OGONEK}}
+ \gdef^^ca{\ogonek{E}}
\gdef^^cb{\"E}
\gdef^^cc{\v E}
\gdef^^cd{\'I}
\gdef^^ce{\^I}
\gdef^^cf{\v D}
%
- \gdef^^d0{\missingcharmsg{LATIN CAPITAL LETTER D WITH STROKE}}
+ \gdef^^d0{\DH}
\gdef^^d1{\'N}
\gdef^^d2{\v N}
\gdef^^d3{\'O}
@@ -8009,7 +9195,7 @@ should work if nowhere else does.}
\gdef^^d6{\"O}
\gdef^^d7{$\times$}
\gdef^^d8{\v R}
- \gdef^^d9{\ringaccent U}
+ \gdef^^d9{\ringaccent U}
\gdef^^da{\'U}
\gdef^^db{\H U}
\gdef^^dc{\"U}
@@ -8027,14 +9213,14 @@ should work if nowhere else does.}
\gdef^^e7{\cedilla c}
\gdef^^e8{\v c}
\gdef^^e9{\'e}
- \gdef^^ea{\missingcharmsg{LATIN SMALL LETTER E WITH OGONEK}}
+ \gdef^^ea{\ogonek{e}}
\gdef^^eb{\"e}
\gdef^^ec{\v e}
- \gdef^^ed{\'\i}
- \gdef^^ee{\^\i}
+ \gdef^^ed{\'{\dotless{i}}}
+ \gdef^^ee{\^{\dotless{i}}}
\gdef^^ef{\v d}
%
- \gdef^^f0{\missingcharmsg{LATIN SMALL LETTER D WITH STROKE}}
+ \gdef^^f0{\dh}
\gdef^^f1{\'n}
\gdef^^f2{\v n}
\gdef^^f3{\'o}
@@ -8053,11 +9239,11 @@ should work if nowhere else does.}
}
% UTF-8 character definitions.
-%
+%
% This code to support UTF-8 is based on LaTeX's utf8.def, with some
% changes for Texinfo conventions. It is included here under the GPL by
% permission from Frank Mittelbach and the LaTeX team.
-%
+%
\newcount\countUTFx
\newcount\countUTFy
\newcount\countUTFz
@@ -8111,6 +9297,18 @@ should work if nowhere else does.}
\UTFviiiLoop
\endgroup
+\def\globallet{\global\let} % save some \expandafter's below
+
+% @U{xxxx} to produce U+xxxx, if we support it.
+\def\U#1{%
+ \expandafter\ifx\csname uni:#1\endcsname \relax
+ \errhelp = \EMsimple
+ \errmessage{Unicode character U+#1 not supported, sorry}%
+ \else
+ \csname uni:#1\endcsname
+ \fi
+}
+
\begingroup
\catcode`\"=12
\catcode`\<=12
@@ -8119,10 +9317,9 @@ should work if nowhere else does.}
\catcode`\;=12
\catcode`\!=12
\catcode`\~=13
-
\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{%
@@ -8134,6 +9331,8 @@ should work if nowhere else does.}
\expandafter\expandafter\expandafter\expandafter
\expandafter\expandafter\expandafter
\gdef\UTFviiiTmp{#2}%
+ % define an additional control sequence for this code point.
+ \expandafter\globallet\csname uni:#1\endcsname \UTFviiiTmp
\endgroup}
\gdef\parseXMLCharref{%
@@ -8207,6 +9406,7 @@ should work if nowhere else does.}
\DeclareUnicodeCharacter{00CE}{\^I}
\DeclareUnicodeCharacter{00CF}{\"I}
+ \DeclareUnicodeCharacter{00D0}{\DH}
\DeclareUnicodeCharacter{00D1}{\~N}
\DeclareUnicodeCharacter{00D2}{\`O}
\DeclareUnicodeCharacter{00D3}{\'O}
@@ -8219,6 +9419,7 @@ should work if nowhere else does.}
\DeclareUnicodeCharacter{00DB}{\^U}
\DeclareUnicodeCharacter{00DC}{\"U}
\DeclareUnicodeCharacter{00DD}{\'Y}
+ \DeclareUnicodeCharacter{00DE}{\TH}
\DeclareUnicodeCharacter{00DF}{\ss}
\DeclareUnicodeCharacter{00E0}{\`a}
@@ -8238,6 +9439,7 @@ should work if nowhere else does.}
\DeclareUnicodeCharacter{00EE}{\^{\dotless{i}}}
\DeclareUnicodeCharacter{00EF}{\"{\dotless{i}}}
+ \DeclareUnicodeCharacter{00F0}{\dh}
\DeclareUnicodeCharacter{00F1}{\~n}
\DeclareUnicodeCharacter{00F2}{\`o}
\DeclareUnicodeCharacter{00F3}{\'o}
@@ -8250,16 +9452,21 @@ should work if nowhere else does.}
\DeclareUnicodeCharacter{00FB}{\^u}
\DeclareUnicodeCharacter{00FC}{\"u}
\DeclareUnicodeCharacter{00FD}{\'y}
+ \DeclareUnicodeCharacter{00FE}{\th}
\DeclareUnicodeCharacter{00FF}{\"y}
\DeclareUnicodeCharacter{0100}{\=A}
\DeclareUnicodeCharacter{0101}{\=a}
\DeclareUnicodeCharacter{0102}{\u{A}}
\DeclareUnicodeCharacter{0103}{\u{a}}
+ \DeclareUnicodeCharacter{0104}{\ogonek{A}}
+ \DeclareUnicodeCharacter{0105}{\ogonek{a}}
\DeclareUnicodeCharacter{0106}{\'C}
\DeclareUnicodeCharacter{0107}{\'c}
\DeclareUnicodeCharacter{0108}{\^C}
\DeclareUnicodeCharacter{0109}{\^c}
+ \DeclareUnicodeCharacter{0118}{\ogonek{E}}
+ \DeclareUnicodeCharacter{0119}{\ogonek{e}}
\DeclareUnicodeCharacter{010A}{\dotaccent{C}}
\DeclareUnicodeCharacter{010B}{\dotaccent{c}}
\DeclareUnicodeCharacter{010C}{\v{C}}
@@ -8407,6 +9614,8 @@ should work if nowhere else does.}
\DeclareUnicodeCharacter{0233}{\=y}
\DeclareUnicodeCharacter{0237}{\dotless{j}}
+ \DeclareUnicodeCharacter{02DB}{\ogonek{ }}
+
\DeclareUnicodeCharacter{1E02}{\dotaccent{B}}
\DeclareUnicodeCharacter{1E03}{\dotaccent{b}}
\DeclareUnicodeCharacter{1E04}{\udotaccent{B}}
@@ -8580,8 +9789,8 @@ should work if nowhere else does.}
% Prevent underfull vbox error messages.
\vbadness = 10000
-% Don't be so finicky about underfull hboxes, either.
-\hbadness = 2000
+% Don't be very finicky about underfull hboxes, either.
+\hbadness = 6666
% Following George Bush, get rid of widows and orphans.
\widowpenalty=10000
@@ -8788,25 +9997,21 @@ should work if nowhere else does.}
\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,
@@ -8833,11 +10038,9 @@ should work if nowhere else does.}
\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\_}
@@ -8847,16 +10050,26 @@ should work if nowhere else does.}
\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.
@@ -8884,32 +10097,48 @@ should work if nowhere else does.}
% In texinfo, backslash is an active character; it prints the backslash
% in fixed width font.
-\catcode`\\=\active
-@def@normalbackslash{{@tt@backslashcurfont}}
+\catcode`\\=\active % @ for escape char from now on.
+
+% The story here is that in math mode, the \char of \backslashcurfont
+% ends up printing the roman \ from the math symbol font (because \char
+% in math mode uses the \mathcode, and plain.tex sets
+% \mathcode`\\="026E). It seems better for @backslashchar{} to always
+% print a typewriter backslash, hence we use an explicit \mathchar,
+% which is the decimal equivalent of "715c (class 7, e.g., use \fam;
+% ignored family value; char position "5C). We can't use " for the
+% usual hex value because it has already been made active.
+@def@normalbackslash{{@tt @ifmmode @mathchar29020 @else @backslashcurfont @fi}}
+@let@backslashchar = @normalbackslash % @backslashchar{} is for user documents.
+
% On startup, @fixbackslash assigns:
% @let \ = @normalbackslash
-
% \rawbackslash defines an active \ to do \backslashcurfont.
% \otherbackslash defines an active \ to be a literal `\' character with
-% catcode other.
+% catcode other. We switch back and forth between these.
@gdef@rawbackslash{@let\=@backslashcurfont}
@gdef@otherbackslash{@let\=@realbackslash}
% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of
-% the literal character `\'.
-%
-@def@normalturnoffactive{%
- @let\=@normalbackslash
- @let"=@normaldoublequote
- @let~=@normaltilde
- @let^=@normalcaret
- @let_=@normalunderscore
- @let|=@normalverticalbar
- @let<=@normalless
- @let>=@normalgreater
- @let+=@normalplus
- @let$=@normaldollar %$ font-lock fix
- @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.
@@ -8938,11 +10167,28 @@ should work if nowhere else does.}
% Say @foo, not \foo, in error messages.
@escapechar = `@@
-% These look ok in all fonts, so just make them not special.
-@catcode`@& = @other
-@catcode`@# = @other
-@catcode`@% = @other
+% 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.
+% @hashchar{} gets its own user-level command, because of #line.
+@catcode`@& = @other @def@normalamp{&}
+@catcode`@# = @other @def@normalhash{#}
+@catcode`@% = @other @def@normalpercent{%}
+
+@let @hashchar = @normalhash
+
+@c Finally, make ` and ' active, so that txicodequoteundirected and
+@c txicodequotebacktick work right in, e.g., @w{@code{`foo'}}. If we
+@c don't make ` and ' active, @code will not get them as active chars.
+@c Do this last of all since we use ` in the previous @catcode assignments.
+@catcode`@'=@active
+@catcode`@`=@active
+@markupsetuplqdefault
+@markupsetuprqdefault
@c Local variables:
@c eval: (add-hook 'write-file-hooks 'time-stamp)