% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2003-12-07.11}
+\def\texinfoversion{2004-02-25.17}
%
% Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
-% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 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
\chardef\exclamChar= `\!
\chardef\questChar = `\?
\chardef\semiChar = `\;
-\chardef\spaceChar = `\ %
\chardef\underChar = `\_
+\chardef\spaceChar = `\ %
+\chardef\spacecat = 10
+\def\spaceisspace{\catcode\spaceChar=\spacecat}
+
% Ignore a token.
%
\def\gobble#1{}
% The following is used inside several \edef's.
\def\makecsname#1{\expandafter\noexpand\csname#1\endcsname}
-% Make an outer definition into an inner one (due to Chris Thompson).
-% The arguments should be the control sequence to be defined, and the
-% new of the \outer control sequence, as characters; the control
-% sequence #1 is defined to be just the same as \csname#2\endcsname, but
-% not \outer.
-%
-% For example, \innerdef\innernewcount{newcount} defines \innernewcount
-% to be a non-outer version of \newcount.
-%
-\def\innerdef#1#2{\edef#1{\expandafter\noexpand\csname #2\endcsname}}%
-%
-\innerdef\innernewcount{newcount}%
-
% Hyphenation fixes.
-\hyphenation{ap-pen-dix}
-\hyphenation{eshell}
-\hyphenation{mini-buf-fer mini-buf-fers}
-\hyphenation{time-stamp}
-\hyphenation{white-space}
+\hyphenation{
+ Flor-i-da Ghost-script Ghost-view Mac-OS ap-pen-dix bit-map bit-maps
+ data-base data-bases eshell fall-ing half-way long-est man-u-script
+ man-u-scripts mini-buf-fer mini-buf-fers over-view par-a-digm
+ par-a-digms rec-tan-gu-lar ro-bot-ics se-vere-ly set-up spa-ces
+ stand-alone strong-est time-stamp time-stamps which-ever white-space
+ wide-spread wrap-around
+}
% Margin to add to right of even pages, to left of odd pages.
\newdimen\bindingoffset
\tracingassigns1
\fi
\tracingcommands3 % 3 gives us more in etex
- \errorcontextlines\maxdimen
+ \errorcontextlines16
}%
% add check for \lastpenalty to plain's definitions. If the last thing
\def\next{#2}%
\begingroup
\obeylines
- \catcode`\ =10
+ \spaceisspace
#1%
\parseargline\empty% Insert the \empty token, see \finishparsearg below.
}
% First remove any @comment, then any @c comment.
\def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm}
-\def\argremovec#1\c#2\ArgTerm{\argremovespace#1$ $\ArgTerm}
-% \argremovec might leave us with trailing space, though; e.g.,
+\def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm}
+
+% Each occurence of `\^^M' or `<space>\^^M' is replaced by a single space.
+%
+% \argremovec might leave us with trailing space, e.g.,
% @end itemize @c foo
-% Note that the argument cannot contain the TeX $, as its catcode is
-% changed to \other when Texinfo source is read.
-\def\argremovespace#1 $#2\ArgTerm{\finishparsearg#1$\ArgTerm}
+% This space token undergoes the same procedure and is eventually removed
+% by \finishparsearg.
+%
+\def\argcheckspaces#1\^^M{\argcheckspacesX#1\^^M \^^M}
+\def\argcheckspacesX#1 \^^M{\argcheckspacesY#1\^^M}
+\def\argcheckspacesY#1\^^M#2\^^M#3\ArgTerm{%
+ \def\temp{#3}%
+ \ifx\temp\empty
+ % We cannot use \next here, as it holds the macro to run;
+ % thus we reuse \temp.
+ \let\temp\finishparsearg
+ \else
+ \let\temp\argcheckspaces
+ \fi
+ % Put the space token in:
+ \temp#1 #3\ArgTerm
+}
% If a _delimited_ argument is enclosed in braces, they get stripped; so
% 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
+% We prepended an \empty token at the very beginning and we expand it now,
% just before passing the control to \next.
-% (But first, we have to spend the remaining $ or two.)
-\def\finishparsearg#1$#2\ArgTerm{\expandafter\next\expandafter{#1}}
+% (Similarily, 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.
+%
+% But first, we have to remove the trailing space token.
+%
+\def\finishparsearg#1 \ArgTerm{\expandafter\next\expandafter{#1}}
-% \defparsearg\foo{...}
-% is roughly equivalent to
+% \parseargdef\foo{...}
+% is roughly equivalent to
% \def\foo{\parsearg\Xfoo}
% \def\Xfoo#1{...}
%
% Actually, I use \csname\string\foo\endcsname, ie. \\foo, as it is my
% favourite TeX trick. --kasal, 16nov03
-\def\defparsearg#1{%
- \expandafter \dodefparsearg \csname\string#1\endcsname #1%
+\def\parseargdef#1{%
+ \expandafter \doparseargdef \csname\string#1\endcsname #1%
}
-\def\dodefparsearg#1#2{%
+\def\doparseargdef#1#2{%
\def#2{\parsearg#1}%
\def#1##1%
}
\def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next}
+% Define the framework for environments in texinfo.tex. It's used like this:
+%
+% \envdef\foo{...}
+% \def\Efoo{...}
+%
+% It's the responsibility of \envdef to insert \begingroup before the
+% actual body; @end closes the group after calling \Efoo. \envdef also
+% defines \thisenv, so the current environment is known; @end checks
+% whether the environment name matches. The \checkenv macro can also be
+% 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
+% implementation of @end takes care not to call \endgroup in this
+% special case.)
-%% These are used to keep @begin/@end levels from running away
-%% Call \inENV within environments (after a \begingroup)
-\newif\ifENV \ENVfalse \def\inENV{\ifENV\relax\else\ENVtrue\fi}
-\def\ENVcheck{%
-\ifENV\errmessage{Still within an environment; press RETURN to continue}
-\endgroup\fi} % This is not perfect, but it should reduce lossage
-% @end foo executes the definition of \Efoo.
-%
-\defparsearg\end{%
- \expandafter\ifx\csname E#1\endcsname\relax
- \badenderror{#1}%
- \else
- % Everything's ok; the right environment has been started.
- \csname E#1\endcsname
- \fi
-}
+% At runtime, environments start with this:
+\def\startenvironment#1{\begingroup\def\thisenv{#1}}
+% initialize
+\let\thisenv\empty
-\def\badenderror#1{%
- \expandafter\ifx\csname#1\endcsname\relax
- % There's no \foo, i.e., no ``environment'' foo.
- \errhelp = \EMsimple
- \errmessage{Undefined command `@end #1'}%
+% ... but they get defined via ``\envdef\foo{...}'':
+\long\def\envdef#1#2{\def#1{\startenvironment#1#2}}
+\def\envparseargdef#1#2{\parseargdef#1{\startenvironment#1#2}}
+
+% Check whether we're in the right environment:
+\def\checkenv#1{%
+ \def\temp{#1}%
+ \ifx\thisenv\temp
\else
- \unmatchedenderror{#1}%
+ \badenverr
\fi
}
-% There is an environment #1, but it hasn't been started. Give an error.
-%
-\def\unmatchedenderror#1{%
+% Evironment mismatch, #1 expected:
+\def\badenverr{%
\errhelp = \EMsimple
- \errmessage{This `@end #1' doesn't have a matching `@#1'}%
+ \errmessage{This command can appear only \inenvironment\temp,
+ not \inenvironment\thisenv}%
+}
+\def\inenvironment#1{%
+ \ifx#1\empty
+ out of any environment%
+ \else
+ in environment \expandafter\string#1%
+ \fi
}
-% Define the control sequence \E#1 to give an unmatched @end error.
+% @end foo executes the definition of \Efoo.
+% But first, it executes a specialized version of \checkenv
%
-\def\defineunmatchedend#1{%
- \expandafter\def\csname E#1\endcsname{\unmatchedenderror{#1}}%
+\parseargdef\end{%
+ \if 1\csname iscond.#1\endcsname
+ \else
+ % The general wording of \badenverr may not be ideal, but... --kasal, 06nov03
+ \expandafter\checkenv\csname#1\endcsname
+ \csname E#1\endcsname
+ \endgroup
+ \fi
}
\newhelp\EMsimple{Press RETURN to continue.}
!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\ubaraccent = \b
\let\udotaccent = \d
-% Other special characters: @questiondown @exclamdown
+% 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}
\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=3000 }
+
+% @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
\newbox\groupbox
\def\vfilllimit{0.7}
%
-\def\group{\begingroup
+\envdef\group{%
\ifnum\catcode`\^^M=\active \else
\errhelp = \groupinvalidhelp
\errmessage{@group invalid in context where filling is enabled}%
\fi
\startsavinginserts
%
- % The \vtop we start below produces a box with normal height and large
- % depth; thus, TeX puts \baselineskip glue before it, and (when the
- % next line of text is done) \lineskip glue after it. (See p.82 of
- % the TeXbook.) Thus, space below is not quite equal to space
- % above. But it's pretty close.
- \def\Egroup{%
- \egroup % End the \vtop.
- % \dimen0 is the vertical size of the group's box.
- \dimen0 = \ht\groupbox \advance\dimen0 by \dp\groupbox
- % \dimen2 is how much space is left on the page (more or less).
- \dimen2 = \pageheight \advance\dimen2 by -\pagetotal
- % if the group doesn't fit on the current page, and it's a big big
- % group, force a page break.
- \ifdim \dimen0 > \dimen2
- \ifdim \pagetotal < \vfilllimit\pageheight
- \page
- \fi
- \fi
- \box\groupbox
- \checkinserts
- \endgroup % End the \group.
- }%
- %
\setbox\groupbox = \vtop\bgroup
- % We have to put a strut on the last line in case the @group is in
- % the midst of an example, rather than completely enclosing it.
- % Otherwise, the interline space between the last line of the group
- % and the first line afterwards is too small. But we can't put the
- % strut in \Egroup, since there it would be on a line by itself.
- % Hence this just inserts a strut at the beginning of each line.
- \everypar = {\strut}%
- %
- % Since we have a strut on every line, we don't need any of TeX's
- % normal interline spacing.
- \offinterlineskip
- %
- % OK, but now we have to do something about blank
- % lines in the input in @example-like environments, which normally
- % just turn into \lisppar, which will insert no space now that we've
- % turned off the interline space. Simplest is to make them be an
- % empty paragraph.
- \ifx\par\lisppar
- \edef\par{\leavevmode \par}%
- %
- % Reset ^^M's definition to new definition of \par.
- \obeylines
- \fi
- %
% Do @comment since we are called inside an environment such as
% @example, where each end-of-line in the input causes an
% end-of-line in the output. We don't want the end-of-line after
\comment
}
%
+% The \vtop produces a box with normal height and large depth; thus, TeX puts
+% \baselineskip glue before it, and (when the next line of text is done)
+% \lineskip glue after it. Thus, space below is not quite equal to space
+% above. But it's pretty close.
+\def\Egroup{%
+ % To get correct interline space between the last line of the group
+ % and the first line afterwards, we have to propagate \prevdepth.
+ \endgraf % Not \par, as it may have been set to \lisppar.
+ \global\dimen1 = \prevdepth
+ \egroup % End the \vtop.
+ % \dimen0 is the vertical size of the group's box.
+ \dimen0 = \ht\groupbox \advance\dimen0 by \dp\groupbox
+ % \dimen2 is how much space is left on the page (more or less).
+ \dimen2 = \pageheight \advance\dimen2 by -\pagetotal
+ % if the group doesn't fit on the current page, and it's a big big
+ % group, force a page break.
+ \ifdim \dimen0 > \dimen2
+ \ifdim \pagetotal < \vfilllimit\pageheight
+ \page
+ \fi
+ \fi
+ \box\groupbox
+ \prevdepth = \dimen1
+ \checkinserts
+}
+%
% TeX puts in an \escapechar (i.e., `@') at the beginning of the help
% message, so this ends up printing `@group can only ...'.
%
\newdimen\mil \mil=0.001in
% Old definition--didn't work.
-%\defparsearg\need{\par %
+%\parseargdef\need{\par %
%% This method tries to make TeX break the page naturally
%% if the depth of the box does not fit.
%{\baselineskip=0pt%
%\prevdepth=-1000pt
%}}
-\defparsearg\need{%
+\parseargdef\need{%
% Ensure vertical mode, so we don't make a big box in the middle of a
% paragraph.
\par
\fi
}
-% @br forces paragraph break
+% @br forces paragraph break (and is undocumented).
\let\br = \par
-% @dots{} output an ellipsis using the current font.
-% We do .5em per period so that it has the same spacing in a typewriter
-% font as three actual period characters.
-%
-\def\dots{%
- \leavevmode
- \hbox to 1.5em{%
- \hskip 0pt plus 0.25fil minus 0.25fil
- .\hss.\hss.%
- \hskip 0pt plus 0.5fil minus 0.5fil
- }%
-}
-
-% @enddots{} is an end-of-sentence ellipsis.
-%
-\def\enddots{%
- \leavevmode
- \hbox to 2em{%
- \hskip 0pt plus 0.25fil minus 0.25fil
- .\hss.\hss.\hss.%
- \hskip 0pt plus 0.5fil minus 0.5fil
- }%
- \spacefactor=3000
-}
-
% @page forces the start of a new page.
%
\def\page{\par\vfill\supereject}
\newskip\exdentamount
% This defn is used inside fill environments such as @defun.
-\defparsearg\exdent{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break}
+\parseargdef\exdent{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break}
% This defn is used inside nofill environments such as @example.
-\defparsearg\nofillexdent{{\advance \leftskip by -\exdentamount
+\parseargdef\nofillexdent{{\advance \leftskip by -\exdentamount
\leftline{\hskip\leftskip{\rm#1}}}}
% @inmargin{WHICH}{TEXT} puts TEXT in the WHICH margin next to the current
% @center line
% outputs that line, centered.
%
-\defparsearg\center{%
- \ifhmode \hfil\break \fi
+\parseargdef\center{%
+ \ifhmode
+ \let\next\centerH
+ \else
+ \let\next\centerV
+ \fi
+ \next{\hfil \ignorespaces#1\unskip \hfil}%
+}
+\def\centerH#1{%
{%
+ \hfil\break
\advance\hsize by -\leftskip
\advance\hsize by -\rightskip
- \line{\hfil \ignorespaces#1\unskip \hfil}%
+ \line{#1}%
+ \break
}%
- \ifhmode \break \fi
}
+\def\centerV#1{\line{\kern\leftskip #1\kern\rightskip}}
% @sp n outputs n lines of vertical space
-\defparsearg\sp{\vskip #1\baselineskip}
+\parseargdef\sp{\vskip #1\baselineskip}
% @comment ...line which is ignored...
% @c is the same as @comment
\def\asisword{asis} % no translation, these are keywords
\def\noneword{none}
%
-\defparsearg\paragraphindent{%
+\parseargdef\paragraphindent{%
\def\temp{#1}%
\ifx\temp\asisword
\else
% We'll use ems for NCHARS like @paragraphindent.
% It seems @exampleindent asis isn't necessary, but
% I preserve it to make it similar to @paragraphindent.
-\defparsearg\exampleindent{%
+\parseargdef\exampleindent{%
\def\temp{#1}%
\ifx\temp\asisword
\else
% By default, we suppress indentation.
%
\def\suppressfirstparagraphindent{\dosuppressfirstparagraphindent}
-\newdimen\currentparindent
-%
\def\insertword{insert}
%
-\defparsearg\firstparagraphindent{%
+\parseargdef\firstparagraphindent{%
\def\temp{#1}%
\ifx\temp\noneword
\let\suppressfirstparagraphindent = \dosuppressfirstparagraphindent
\mathactive
$\finishmath
}
-\def\finishmath#1{#1$\Etex}
+\def\finishmath#1{#1$\endgroup} % Close the group opened by \tex.
% Some active characters (such as <) are spaced differently in math.
% We have to reset their definitions in case the @math was an argument
\def\bullet{$\ptexbullet$}
\def\minus{$-$}
+% @dots{} outputs an ellipsis using the current font.
+% We do .5em per period so that it has the same spacing in a typewriter
+% font as three actual period characters.
+%
+\def\dots{%
+ \leavevmode
+ \hbox to 1.5em{%
+ \hskip 0pt plus 0.25fil
+ .\hfil.\hfil.%
+ \hskip 0pt plus 0.5fil
+ }%
+}
+
+% @enddots{} is an end-of-sentence ellipsis.
+%
+\def\enddots{%
+ \dots
+ \spacefactor=3000
+}
+
+% @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
% So open here the files we need to have open while reading the input.
% This makes it possible to make a .fmt file for texinfo.
\def\setfilename{%
+ \fixbackslash % Turn off hack to swallow `\input texinfo'.
\iflinks
- \readauxfile
+ \tryauxfile
+ % Open the new aux file. TeX will close it automatically at exit.
+ \immediate\openout\auxfile=\jobname.aux
\fi % \openindices needs to do some work in any case.
\openindices
- \fixbackslash % Turn off hack to swallow `\input texinfo'.
- \global\let\setfilename=\comment % Ignore extra @setfilename cmds.
+ \let\setfilename=\comment % Ignore extra @setfilename cmds.
%
% If texinfo.cnf is present on the system, read it.
% Useful for site-wide @afourpaper, etc.
- % Just to be on the safe side, close the input stream before the \input.
\openin 1 texinfo.cnf
- \ifeof1 \let\temp=\relax \else \def\temp{\input texinfo.cnf }\fi
- \closein1
- \temp
+ \ifeof 1 \else \input texinfo.cnf \fi
+ \closein 1
%
\comment % Ignore the actual filename.
}
}
%
\def\pdfmakeoutlines{%
- \openin 1 \jobname.toc
- \ifeof 1\else\begingroup
- \closein 1
+ \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\numchapentry##1##2##3##4{\def\thischapnum{##2}}%
+ \def\numchapentry##1##2##3##4{%
+ \def\thischapnum{##2}%
+ \let\thissecnum\empty
+ \let\thissubsecnum\empty
+ }%
\def\numsecentry##1##2##3##4{%
+ \advancenumber{chap\thischapnum}%
\def\thissecnum{##2}%
- \advancenumber{chap\thischapnum}}%
+ \let\thissubsecnum\empty
+ }%
\def\numsubsecentry##1##2##3##4{%
+ \advancenumber{sec\thissecnum}%
\def\thissubsecnum{##2}%
- \advancenumber{sec\thissecnum}}%
- \def\numsubsubsecentry##1##2##3##4{\advancenumber{subsec\thissubsecnum}}%
+ }%
+ \def\numsubsubsecentry##1##2##3##4{%
+ \advancenumber{subsec\thissubsecnum}%
+ }%
+ \let\thischapnum\empty
+ \let\thissecnum\empty
+ \let\thissubsecnum\empty
%
% use \def rather than \let here because we redefine \chapentry et
% al. a second time, below.
\def\numsubsubsecentry##1##2##3##4{% count is always zero
\dopdfoutline{##1}{}{##3}{##4}}%
%
- % Make special characters normal for writing to the pdf file.
+ % PDF outlines are displayed using system fonts, instead of
+ % document fonts. Therefore we cannot use special characters,
+ % since the encoding is unknown. For example, the eogonek from
+ % 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.
\indexnofonts
\turnoffactive
\input \jobname.toc
- \endgroup\fi
+ \endgroup
}
%
\def\makelinks #1,{%
\def\ppn#1{\pgn=#1\gobble}
\def\ppnn{\pgn=\first}
\def\pdfmklnk#1{\lnkcount=0\makelinks #1,END,}
- \def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks}
\def\skipspaces#1{\def\PP{#1}\def\D{|}%
\ifx\PP\D\let\nextsp\relax
\else\let\nextsp\skipspaces
\leavevmode\Red
\startlink attr{/Border [0 0 0]}%
user{/Subtype /Link /A << /S /URI /URI (#1) >>}%
- % #1
\endgroup}
\def\pdfgettoks#1.{\setbox\boxA=\hbox{\toksA={#1.}\toksB={}\maketoks}}
\def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks}
\def\adn#1{\addtokens{\toksC}{#1}\global\countA=1\let\next=\maketoks}
\def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}}
\def\maketoks{%
- \expandafter\poptoks\the\toksA|ENDTOKS|
+ \expandafter\poptoks\the\toksA|ENDTOKS|\relax
\ifx\first0\adn0
\else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3
\else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6
\message{fonts,}
-% Font-change commands.
+
+% Change the current font style to #1, remembering it in \curfontstyle.
+% For now, we do not accumulate font styles: @b{@i{foo}} prints foo in
+% italics, not bold italics.
+%
+\def\setfontstyle#1{%
+ \def\curfontstyle{#1}% not as a control sequence, because we are \edef'd.
+ \csname ten#1\endcsname % change the current font
+}
+
+% Select #1 fonts with the current style.
+%
+\def\selectfonts#1{\csname #1fonts\endcsname \csname\curfontstyle\endcsname}
+
+\def\rm{\fam=0 \setfontstyle{rm}}
+\def\it{\fam=\itfam \setfontstyle{it}}
+\def\sl{\fam=\slfam \setfontstyle{sl}}
+\def\bf{\fam=\bffam \setfontstyle{bf}}
+\def\tt{\fam=\ttfam \setfontstyle{tt}}
% Texinfo sort of supports the sans serif font style, which plain TeX does not.
-% So we set up a \sf analogous to plain's \rm, etc.
+% So we set up a \sf.
\newfam\sffam
-\def\sf{\fam=\sffam \tensf}
+\def\sf{\fam=\sffam \setfontstyle{sf}}
\let\li = \sf % Sometimes we call it \li, not \sf.
-% We don't need math for this one.
-\def\ttsl{\tenttsl}
+% We don't need math for this font style.
+\def\ttsl{\setfontstyle{ttsl}}
% Default leading.
\newdimen\textleading \textleading = 13.2pt
\def\scshape{csc}
\def\scbshape{csc}
+% Text fonts (11.2pt, magstep1).
\newcount\mainmagstep
\ifx\bigger\relax
% not really supported.
\font\smalleri=cmmi8
\font\smallersy=cmsy8
-% Fonts for title page:
+% Fonts for title page (20.4pt):
\setfont\titlerm\rmbshape{12}{\magstep3}
\setfont\titleit\itbshape{10}{\magstep4}
\setfont\titlesl\slbshape{10}{\magstep4}
\setfont\ssecttsl\ttslshape{10}{1315}
\setfont\ssecsf\sfbshape{12}{\magstephalf}
\let\ssecbf\ssecrm
-\setfont\ssecsc\scbshape{10}{\magstep1}
+\setfont\ssecsc\scbshape{10}{1315}
\font\sseci=cmmi12 scaled \magstephalf
\font\ssecsy=cmsy10 scaled 1315
-% The smallcaps and symbol fonts should actually be scaled \magstep1.5,
-% but that is not a standard magnification.
+
+% Reduced fonts for @acro in text (10pt).
+\setfont\reducedrm\rmshape{10}{1000}
+\setfont\reducedtt\ttshape{10}{1000}
+\setfont\reducedbf\bfshape{10}{1000}
+\setfont\reducedit\itshape{10}{1000}
+\setfont\reducedsl\slshape{10}{1000}
+\setfont\reducedsf\sfshape{10}{1000}
+\setfont\reducedsc\scshape{10}{1000}
+\setfont\reducedttsl\ttslshape{10}{1000}
+\font\reducedi=cmmi10
+\font\reducedsy=cmsy10
% In order for the font changes to affect most math symbols and letters,
% we have to define the \textfont of the standard families. Since
}
% The font-changing commands redefine the meanings of \tenSTYLE, instead
-% of just \STYLE. We do this so that font changes will continue to work
-% in math mode, where it is the current \fam that is relevant in most
-% cases, not the current font. Plain TeX does \def\bf{\fam=\bffam
-% \tenbf}, for example. By redefining \tenbf, we obviate the need to
-% redefine \bf itself.
+% of just \STYLE. We do this because \STYLE needs to also set the
+% current \fam for math mode. Our \STYLE (e.g., \rm) commands hardwire
+% \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.
+%
+% This all needs generalizing, badly.
+%
\def\textfonts{%
\let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl
\let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc
- \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy \let\tenttsl=\textttsl
+ \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy
+ \let\tenttsl=\textttsl
+ \def\lsize{reduced}\def\lllsize{smaller}%
\resetmathfonts \setleading{\textleading}}
\def\titlefonts{%
\let\tenrm=\titlerm \let\tenit=\titleit \let\tensl=\titlesl
\let\tenbf=\titlebf \let\tentt=\titlett \let\smallcaps=\titlesc
\let\tensf=\titlesf \let\teni=\titlei \let\tensy=\titlesy
\let\tenttsl=\titlettsl
+ \def\lsize{chap}\def\lllsize{subsec}%
\resetmathfonts \setleading{25pt}}
\def\titlefont#1{{\titlefonts\rm #1}}
\def\chapfonts{%
\let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl
\let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc
\let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy \let\tenttsl=\chapttsl
+ \def\lsize{sec}\def\lllsize{text}%
\resetmathfonts \setleading{19pt}}
\def\secfonts{%
\let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl
\let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc
- \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy \let\tenttsl=\secttsl
+ \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy
+ \let\tenttsl=\secttsl
+ \def\lsize{subsec}\def\lllsize{reduced}%
\resetmathfonts \setleading{16pt}}
\def\subsecfonts{%
\let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl
\let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc
- \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy \let\tenttsl=\ssecttsl
+ \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy
+ \let\tenttsl=\ssecttsl
+ \def\lsize{text}\def\lllsize{small}%
\resetmathfonts \setleading{15pt}}
-\let\subsubsecfonts = \subsecfonts % Maybe make sssec fonts scaled magstephalf?
+\let\subsubsecfonts = \subsecfonts
+\def\reducedfonts{%
+ \let\tenrm=\reducedrm \let\tenit=\reducedit \let\tensl=\reducedsl
+ \let\tenbf=\reducedbf \let\tentt=\reducedtt \let\reducedcaps=\reducedsc
+ \let\tensf=\reducedsf \let\teni=\reducedi \let\tensy=\reducedsy
+ \let\tenttsl=\reducedttsl
+ \def\lsize{small}\def\lllsize{smaller}%
+ \resetmathfonts \setleading{10.5pt}}
\def\smallfonts{%
\let\tenrm=\smallrm \let\tenit=\smallit \let\tensl=\smallsl
\let\tenbf=\smallbf \let\tentt=\smalltt \let\smallcaps=\smallsc
\let\tensf=\smallsf \let\teni=\smalli \let\tensy=\smallsy
\let\tenttsl=\smallttsl
+ \def\lsize{smaller}\def\lllsize{smaller}%
\resetmathfonts \setleading{10.5pt}}
\def\smallerfonts{%
\let\tenrm=\smallerrm \let\tenit=\smallerit \let\tensl=\smallersl
\let\tenbf=\smallerbf \let\tentt=\smallertt \let\smallcaps=\smallersc
\let\tensf=\smallersf \let\teni=\smalleri \let\tensy=\smallersy
\let\tenttsl=\smallerttsl
+ \def\lsize{smaller}\def\lllsize{smaller}%
\resetmathfonts \setleading{9.5pt}}
% Set the fonts to use with the @small... environments.
% About \smallexamplefonts. If we use \smallfonts (9pt), @smallexample
% can fit this many characters:
% 8.5x11=86 smallbook=72 a4=90 a5=69
-% If we use \smallerfonts (8pt), then we can fit this many characters:
+% If we use \scriptfonts (8pt), then we can fit this many characters:
% 8.5x11=90+ smallbook=80 a4=90+ a5=77
% For me, subjectively, the few extra characters that fit aren't worth
% the additional smallness of 8pt. So I'm making the default 9pt.
% By the way, for comparison, here's what fits with @example (10pt):
% 8.5x11=71 smallbook=60 a4=75 a5=58
%
-% I wish we used A4 paper on this side of the Atlantic.
-%
+% I wish the USA used A4 paper.
% --karl, 24jan03.
% Set up the default fonts, so we can use them for creating boxes.
%
-\textfonts
+\textfonts \rm
% Define these so they can be easily changed for other fonts.
\def\angleleft{$\langle$}
{\tt \rawbackslash \frenchspacing #1}%
\null
}
-\let\ttfont=\t
\def\samp#1{`\tclose{#1}'\null}
\setfont\keyrm\rmshape{8}{1000}
\font\keysy=cmsy9
\null
}
-% We *must* turn on hyphenation at `-' and `_' in \code.
+% We *must* turn on hyphenation at `-' and `_' in @code.
% Otherwise, it is too hard to avoid overfull hboxes
% in the Emacs manual, the Library manual, etc.
% @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).
-\defparsearg\kbdinputstyle{%
+\parseargdef\kbdinputstyle{%
\def\arg{#1}%
\ifx\arg\worddistinct
\gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}%
\def\sc#1{{\smallcaps#1}} % smallcaps font
\def\ii#1{{\it #1}} % italic font
-% @acronym downcases the argument and prints in smallcaps.
-% It would be nicer to go one point size down.
-\def\acronym#1{{\smallcaps \lowercase{#1}}}
+\def\acronym#1{\doacronym #1,,\finish}
+\def\doacronym#1,#2,#3\finish{%
+ {\selectfonts\lsize #1}%
+ \def\temp{#2}%
+ \ifx\temp\empty \else
+ \space ({\unsepspaces \ignorespaces \temp \unskip})%
+ \fi
+}
-% @pounds{} is a sterling sign.
+% @pounds{} is a sterling sign, which is in the CM italic font.
+%
\def\pounds{{\it\$}}
-% @registeredsymbol - R in a circle. For now, only works in text size;
-% we'd have to redo the font mechanism to change the \scriptstyle and
-% \scriptscriptstyle font sizes to make it look right in headings.
+% @registeredsymbol - R in a circle. The font for the R should really
+% be smaller yet, but lllsize is the best we can do for now.
% Adapted from the plain.tex definition of \copyright.
%
\def\registeredsymbol{%
- $^{{\ooalign{\hfil\raise.07ex\hbox{$\scriptstyle\rm R$}\hfil\crcr\Orb}}%
+ $^{{\ooalign{\hfil\raise.07ex\hbox{\selectfonts\lllsize R}%
+ \hfil\crcr\Orb}}%
}$%
}
\newif\ifsetshortcontentsaftertitlepage
\let\setshortcontentsaftertitlepage = \setshortcontentsaftertitlepagetrue
-\defparsearg\shorttitlepage{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}%
+\parseargdef\shorttitlepage{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}%
\endgroup\page\hbox{}\page}
-\def\titlepage{%
- \begingroup \parindent=0pt \textfonts
- % Leave some space at the very top of the page.
- \vglue\titlepagetopglue
- % No rule at page bottom unless we print one at the top with @title.
- \finishedtitlepagetrue
- %
- % Most title ``pages'' are actually two pages long, with space
- % at the top of the second. We don't want the ragged left on the second.
- \let\oldpage = \page
- \def\page{%
- \iffinishedtitlepage\else
- \finishtitlepage
- \fi
- \let\page = \oldpage
- \page
- \null
- }%
+\envdef\titlepage{%
+ % Open one extra group, as we want to close it in the middle of \Etitlepage.
+ \begingroup
+ \parindent=0pt \textfonts
+ % Leave some space at the very top of the page.
+ \vglue\titlepagetopglue
+ % No rule at page bottom unless we print one at the top with @title.
+ \finishedtitlepagetrue
+ %
+ % Most title ``pages'' are actually two pages long, with space
+ % at the top of the second. We don't want the ragged left on the second.
+ \let\oldpage = \page
+ \def\page{%
+ \iffinishedtitlepage\else
+ \finishtitlepage
+ \fi
+ \let\page = \oldpage
+ \page
+ \null
+ }%
}
\def\Etitlepage{%
- \iffinishedtitlepage\else
- \finishtitlepage
- \fi
- % It is important to do the page break before ending the group,
- % because the headline and footline are only empty inside the group.
- % If we use the new definition of \page, we always get a blank page
- % after the title page, which we certainly don't want.
- \oldpage
- \endgroup
- %
- % Need this before the \...aftertitlepage checks so that if they are
- % in effect the toc pages will come out with page numbers.
- \HEADINGSon
- %
- % If they want short, they certainly want long too.
- \ifsetshortcontentsaftertitlepage
- \shortcontents
- \contents
- \global\let\shortcontents = \relax
- \global\let\contents = \relax
- \fi
- %
- \ifsetcontentsaftertitlepage
- \contents
- \global\let\contents = \relax
- \global\let\shortcontents = \relax
- \fi
+ \iffinishedtitlepage\else
+ \finishtitlepage
+ \fi
+ % It is important to do the page break before ending the group,
+ % because the headline and footline are only empty inside the group.
+ % If we use the new definition of \page, we always get a blank page
+ % after the title page, which we certainly don't want.
+ \oldpage
+ \endgroup
+ %
+ % Need this before the \...aftertitlepage checks so that if they are
+ % in effect the toc pages will come out with page numbers.
+ \HEADINGSon
+ %
+ % If they want short, they certainly want long too.
+ \ifsetshortcontentsaftertitlepage
+ \shortcontents
+ \contents
+ \global\let\shortcontents = \relax
+ \global\let\contents = \relax
+ \fi
+ %
+ \ifsetcontentsaftertitlepage
+ \contents
+ \global\let\contents = \relax
+ \global\let\shortcontents = \relax
+ \fi
}
\def\finishtitlepage{%
- \vskip4pt \hrule height 2pt width \hsize
- \vskip\titlepagebottomglue
- \finishedtitlepagetrue
+ \vskip4pt \hrule height 2pt width \hsize
+ \vskip\titlepagebottomglue
+ \finishedtitlepagetrue
}
%%% Macros to be used within @titlepage:
\def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}
\def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines
- \let\tt=\authortt}
+ \let\tt=\authortt}
-\defparsearg\title{\leftline{\titlefonts\rm #1}
- % print a rule at the page bottom also.
- \finishedtitlepagefalse
- \vskip4pt \hrule height 4pt width \hsize \vskip4pt}
+\parseargdef\title{%
+ \checkenv\titlepage
+ \leftline{\titlefonts\rm #1}
+ % print a rule at the page bottom also.
+ \finishedtitlepagefalse
+ \vskip4pt \hrule height 4pt width \hsize \vskip4pt
+}
-\defparsearg\subtitle{{\subtitlefont \rightline{#1}}}
+\parseargdef\subtitle{%
+ \checkenv\titlepage
+ {\subtitlefont \rightline{#1}}%
+}
% @author should come last, but may come many times.
-\defparsearg\author{\ifseenauthor\else\vskip 0pt plus 1filll\seenauthortrue\fi
- {\authorfont \leftline{#1}}}
+% It can also be used inside @quotation.
+%
+\parseargdef\author{%
+ \def\temp{\quotation}%
+ \ifx\thisenv\temp
+ \def\quotationauthor{#1}% printed in \Equotation.
+ \else
+ \checkenv\titlepage
+ \ifseenauthor\else \vskip 0pt plus 1filll \seenauthortrue \fi
+ {\authorfont \leftline{#1}}%
+ \fi
+}
%%% Set up page headings and footings.
\def\oddheadingyyy #1\|#2\|#3\|#4\finish{%
\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
-\defparsearg\everyheading{\oddheadingxxx{#1}\evenheadingxxx{#1}}%
+\parseargdef\everyheading{\oddheadingxxx{#1}\evenheadingxxx{#1}}%
\def\evenfooting{\parsearg\evenfootingxxx}
\def\evenfootingxxx #1{\evenfootingyyy #1\|\|\|\|\finish}
\global\advance\vsize by -\baselineskip
}
-\defparsearg\everyfooting{\oddfootingxxx{#1}\evenfootingxxx{#1}}
+\parseargdef\everyfooting{\oddfootingxxx{#1}\evenfootingxxx{#1}}
% @headings double turns headings on for double-sided printing.
\def\itemx{\errmessage{@itemx while not in a list environment}}
% @table, @ftable, @vtable.
-\def\table{%
- \begingroup\inENV
+\envdef\table{%
\let\itemindex\gobble
\tablex
}
-\def\ftable{%
- \begingroup\inENV
+\envdef\ftable{%
\def\itemindex ##1{\doind {fn}{\code{##1}}}%
\tablex
}
-\def\vtable{%
- \begingroup\inENV
+\envdef\vtable{%
\def\itemindex ##1{\doind {vr}{\code{##1}}}%
\tablex
}
\let\item = \internalBitem
\let\itemx = \internalBitemx
}
-\def\Etable{\endgraf\afterenvbreak\endgroup}
+\def\Etable{\endgraf\afterenvbreak}
\let\Eftable\Etable
\let\Evtable\Etable
+\let\Eitemize\Etable
+\let\Eenumerate\Etable
% This is the counter used by @enumerate, which is really @itemize
\newcount \itemno
-\defparsearg\itemize{%
- \begingroup % ended by the @end itemize
- \itemizey {#1}{\Eitemize}
-}
+\envdef\itemize{\parsearg\doitemize}
-\def\itemizey#1#2{%
+\def\doitemize#1{%
\aboveenvbreak
\itemmax=\itemindent
\advance\itemmax by -\itemmargin
\parindent=0pt
\parskip=\smallskipamount
\ifdim\parskip=0pt \parskip=2pt \fi
- \def#2{\endgraf\afterenvbreak\endgroup}%
\def\itemcontents{#1}%
% @itemize with no arg is equivalent to @itemize @bullet.
\ifx\itemcontents\empty\def\itemcontents{\bullet}\fi
\let\item=\itemizeitem
}
+% Definition of @item while inside @itemize and @enumerate.
+%
+\def\itemizeitem{%
+ \advance\itemno by 1 % for enumerations
+ {\let\par=\endgraf \smallbreak}% reasonable place to break
+ {%
+ % If the document has an @itemize directly after a section title, a
+ % \nobreak will be last on the list, and \sectionheading will have
+ % done a \vskip-\parskip. In that case, we don't want to zero
+ % parskip, or the item text will crash with the heading. On the
+ % other hand, when there is normal text preceding the item (as there
+ % usually is), we do want to zero parskip, or there would be too much
+ % space. In that case, we won't have a \nobreak before. At least
+ % that's the theory.
+ \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
+}
+
% \splitoff TOKENS\endmark defines \first to be the first token in
% TOKENS, and \rest to be the remainder.
%
% or number, to specify the first label in the enumerated list. No
% argument is the same as `1'.
%
-\defparsearg\enumerate{\enumeratey #1 \endenumeratey}
+\envparseargdef\enumerate{\enumeratey #1 \endenumeratey}
\def\enumeratey #1 #2\endenumeratey{%
- \begingroup % ended by the @end enumerate
- %
% If we were given no argument, pretend we were given `1'.
\def\thearg{#1}%
\ifx\thearg\empty \def\thearg{1}\fi
}%
}
-% Call itemizey, adding a period to the first argument and supplying the
+% Call \doitemize, adding a period to the first argument and supplying the
% common last two arguments. Also subtract one from the initial value in
% \itemno, since @item increments \itemno.
%
\def\startenumeration#1{%
\advance\itemno by -1
- \itemizey{#1.}\Eenumerate\flushcr
+ \doitemize{#1.}\flushcr
}
% @alphaenumerate and @capsenumerate are abbreviations for giving an arg
\def\Ealphaenumerate{\Eenumerate}
\def\Ecapsenumerate{\Eenumerate}
-% Definition of @item while inside @itemize.
-
-\def\itemizeitem{%
-\advance\itemno by 1
-{\let\par=\endgraf \smallbreak}%
-\ifhmode \errmessage{In hmode at itemizeitem}\fi
-{\parskip=0in \hskip 0pt
-\hbox to 0pt{\hss \itemcontents\hskip \itemmargin}%
-\vadjust{\penalty 1200}}%
-\flushcr}
% @multitable macros
% Amy Hendrickson, 8/18/94, 3/6/96
\def\xcolumnfractions{\columnfractions}
\newif\ifsetpercent
-% #1 is the part of the @columnfraction before the decimal point, which
-% is presumably either 0 or the empty string (but we don't check, we
-% just throw it away). #2 is the decimal part, which we use as the
-% percent of \hsize for this column.
-\def\pickupwholefraction#1.#2 {%
+% #1 is the @columnfraction, usually a decimal number like .5, but might
+% be just 1. We just use it, whatever it is.
+%
+\def\pickupwholefraction#1 {%
\global\advance\colcount by 1
- \expandafter\xdef\csname col\the\colcount\endcsname{.#2\hsize}%
+ \expandafter\xdef\csname col\the\colcount\endcsname{#1\hsize}%
\setuptable
}
}
% multitable-only commands.
-\def\headitem{\errmessage{@headitem outside of @multitable}}
-\def\tab{\errmessage{@tab outside of @multitable}}
+%
+% @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}%
+%
+% 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.
+% --karl, nathan@acm.org, 20apr99.
+\def\tab{\checkenv\multitable &\the\everytab}%
% @multitable ... @end multitable definitions:
%
\newtoks\everytab % insert after every tab.
%
-\defparsearg\multitable{\bgroup
+\envdef\multitable{%
\vskip\parskip
\startsavinginserts
%
- % @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.
- \def\headitem{\crcrwithinserts \global\everytab={\bf}\the\everytab}%
- %
- % @item within a multitable starts a normal row, get rid of any bold.
- \def\item{\crcrwithinserts \global\everytab={}}%
- %
- % 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. --karl,
- % nathan@acm.org, 20apr99.
- \def\tab{&\the\everytab}%
+ % @item within a multitable starts a normal row.
+ \let\item\crcr
%
\tolerance=9500
\hbadness=9500
\overfullrule=0pt
\global\colcount=0
%
- \def\Emultitable{%
- \global\setpercentfalse
- \crcrwithinserts
- \egroup\egroup
+ \everycr = {%
+ \noalign{%
+ \global\everytab={}%
+ \global\colcount=0 % Reset the column counter.
+ % 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.
+ }%
}%
%
+ \parsearg\domultitable
+}
+\def\domultitable#1{%
% To parse everything between @multitable and @item:
\setuptable#1 \endsetuptable
%
- % \everycr will reset column counter, \colcount, at the end of
- % each line. Every column entry will cause \colcount to advance by one.
- % The table preamble
- % looks at the current \colcount to find the correct column width.
- \everycr{\noalign{%
- %
- % \filbreak%% keeps underfull box messages off when table breaks over pages.
- % 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.
- \global\colcount=0\relax}}%
- %
% This preamble sets up a generic column definition, which will
% be used as many times as user calls for columns.
% \vtop will set a single line and will also let text wrap and
% continue for many paragraphs if desired.
- \halign\bgroup&\global\advance\colcount by 1\relax
- \multistrut\vtop{\hsize=\expandafter\csname col\the\colcount\endcsname
- %
- % In order to keep entries from bumping into each other
- % we will add a \leftskip of \multitablecolspace to all columns after
- % the first one.
- %
- % If a template has been used, we will add \multitablecolspace
- % to the width of each template entry.
- %
- % If the user has set preamble in terms of percent of \hsize we will
- % use that dimension as the width of the column, and the \leftskip
- % will keep entries from bumping into each other. Table will start at
- % left margin and final column will justify at right margin.
- %
- % Make sure we don't inherit \rightskip from the outer environment.
- \rightskip=0pt
- \ifnum\colcount=1
- % The first column will be indented with the surrounding text.
- \advance\hsize by\leftskip
- \else
- \ifsetpercent \else
- % If user has not set preamble in terms of percent of \hsize
- % we will advance \hsize by \multitablecolspace.
- \advance\hsize by \multitablecolspace
- \fi
- % In either case we will make \leftskip=\multitablecolspace:
- \leftskip=\multitablecolspace
- \fi
- % Ignoring space at the beginning and end avoids an occasional spurious
- % blank line, when TeX decides to break the line at the space before the
- % box from the multistrut, so the strut ends up on a line by itself.
- % For example:
- % @multitable @columnfractions .11 .89
- % @item @code{#}
- % @tab Legal holiday which is valid in major parts of the whole country.
- % Is automatically provided with highlighting sequences respectively marking
- % characters.
- \noindent\ignorespaces##\unskip\multistrut}\cr
-}
-\def\crcrwithinserts{\crcr\noalign{\checkinserts}}
+ \halign\bgroup &%
+ \global\advance\colcount by 1
+ \multistrut
+ \vtop{%
+ % Use the current \colcount to find the correct column width:
+ \hsize=\expandafter\csname col\the\colcount\endcsname
+ %
+ % In order to keep entries from bumping into each other
+ % we will add a \leftskip of \multitablecolspace to all columns after
+ % the first one.
+ %
+ % If a template has been used, we will add \multitablecolspace
+ % to the width of each template entry.
+ %
+ % If the user has set preamble in terms of percent of \hsize we will
+ % use that dimension as the width of the column, and the \leftskip
+ % will keep entries from bumping into each other. Table will start at
+ % left margin and final column will justify at right margin.
+ %
+ % Make sure we don't inherit \rightskip from the outer environment.
+ \rightskip=0pt
+ \ifnum\colcount=1
+ % The first column will be indented with the surrounding text.
+ \advance\hsize by\leftskip
+ \else
+ \ifsetpercent \else
+ % If user has not set preamble in terms of percent of \hsize
+ % we will advance \hsize by \multitablecolspace.
+ \advance\hsize by \multitablecolspace
+ \fi
+ % In either case we will make \leftskip=\multitablecolspace:
+ \leftskip=\multitablecolspace
+ \fi
+ % Ignoring space at the beginning and end avoids an occasional spurious
+ % blank line, when TeX decides to break the line at the space before the
+ % box from the multistrut, so the strut ends up on a line by itself.
+ % For example:
+ % @multitable @columnfractions .11 .89
+ % @item @code{#}
+ % @tab Legal holiday which is valid in major parts of the whole country.
+ % Is automatically provided with highlighting sequences respectively
+ % marking characters.
+ \noindent\ignorespaces##\unskip\multistrut
+ }\cr
+}
+\def\Emultitable{%
+ \crcr
+ \egroup % end the \halign
+ \global\setpercentfalse
+}
\def\setmultitablespacing{% test to see if user has set \multitablelinespace.
% If so, do nothing. If not, give it an appropriate dimension based on
\message{conditionals,}
-% Prevent errors for section commands.
-% Used in @ignore and in failing conditionals.
-\def\ignoresections{%
- \let\appendix=\relax
- \let\appendixsec=\relax
- \let\appendixsection=\relax
- \let\appendixsubsec=\relax
- \let\appendixsubsection=\relax
- \let\appendixsubsubsec=\relax
- \let\appendixsubsubsection=\relax
- %\let\begin=\relax
- %\let\bye=\relax
- \let\centerchap=\relax
- \let\chapter=\relax
- \let\contents=\relax
- \let\section=\relax
- \let\smallbook=\relax
- \let\subsec=\relax
- \let\subsection=\relax
- \let\subsubsec=\relax
- \let\subsubsection=\relax
- \let\titlepage=\relax
- \let\top=\relax
- \let\unnumbered=\relax
- \let\unnumberedsec=\relax
- \let\unnumberedsection=\relax
- \let\unnumberedsubsec=\relax
- \let\unnumberedsubsection=\relax
- \let\unnumberedsubsubsec=\relax
- \let\unnumberedsubsubsection=\relax
+
+% @iftex, @ifnotdocbook, @ifnothtml, @ifnotinfo, @ifnotplaintext,
+% @ifnotxml always succeed. They currently do nothing; we don't
+% attempt to check whether the conditionals are properly nested. But we
+% have to remember that they are conditionals, so that @end doesn't
+% attempt to close an environment group.
+%
+\def\makecond#1{%
+ \expandafter\let\csname #1\endcsname = \relax
+ \expandafter\let\csname iscond.#1\endcsname = 1
}
+\makecond{iftex}
+\makecond{ifnotdocbook}
+\makecond{ifnothtml}
+\makecond{ifnotinfo}
+\makecond{ifnotplaintext}
+\makecond{ifnotxml}
% Ignore @ignore, @ifhtml, @ifinfo, and the like.
%
\def\direntry{\doignore{direntry}}
-\def\documentdescriptionword{documentdescription}
\def\documentdescription{\doignore{documentdescription}}
\def\docbook{\doignore{docbook}}
\def\html{\doignore{html}}
\def\menu{\doignore{menu}}
\def\xml{\doignore{xml}}
-% @dircategory CATEGORY -- specify a category of the dir file
-% which this file should belong to. Ignore this in TeX.
-\let\dircategory = \comment
-
% Ignore text until a line `@end #1', keeping track of nested conditionals.
%
% A count to remember the depth of nesting.
\catcode`\} = \other
%
% Make sure that spaces turn into tokens that match what \doignoretext wants.
- \catcode\spaceChar = 10
+ \spaceisspace
%
% Count number of #1's that we've seen.
\doignorecount = 0
\def\doignoreyyy#1{%
\def\temp{#1}%
- \ifx\temp\empty % Nothing found.
+ \ifx\temp\empty % Nothing found.
\let\next\doignoretextzzz
- \else % Found a nested condition, ...
+ \else % Found a nested condition, ...
\advance\doignorecount by 1
- \let\next\doignoretextyyy % ..., look for another.
+ \let\next\doignoretextyyy % ..., look for another.
% If we're here, #1 ends with ^^M\ifinfo (for example).
\fi
\next #1% the token \_STOP_ is present just after this macro.
% We have to swallow the remaining "\_STOP_".
%
\def\doignoretextzzz#1{%
- \ifnum\doignorecount = 0 % We have just found the outermost @end.
+ \ifnum\doignorecount = 0 % We have just found the outermost @end.
\let\next\enddoignore
- \else % Still inside a nested condition.
+ \else % Still inside a nested condition.
\advance\doignorecount by -1
\let\next\doignoretext % Look for the next @end.
\fi
% didn't need it.
% We rely on the fact that \parsearg sets \catcode`\ =10.
%
-\def\set{\parseargusing{\catcode`\-=\other \catcode`\_=\other}\setxxx}
-\def\setxxx#1{\setyyy#1 \endsetyyy}
+\parseargdef\set{\setyyy#1 \endsetyyy}
\def\setyyy#1 #2\endsetyyy{%
- \def\temp{#2}%
- \edef\next{\gdef\makecsname{SET#1}}%
- \ifx\temp\empty
- \next{}%
- \else
- \setzzz#2\endsetzzz
- \fi
+ {%
+ \makevalueexpandable
+ \def\temp{#2}%
+ \edef\next{\gdef\makecsname{SET#1}}%
+ \ifx\temp\empty
+ \next{}%
+ \else
+ \setzzz#2\endsetzzz
+ \fi
+ }%
}
% Remove the trailing space \setxxx inserted.
\def\setzzz#1 \endsetzzz{\next{#1}}
% @clear VAR clears (i.e., unsets) the variable VAR.
%
-\defparsearg\clear{\global\expandafter\let\csname SET#1\endcsname=\relax}
+\parseargdef\clear{%
+ {%
+ \makevalueexpandable
+ \global\expandafter\let\csname SET#1\endcsname=\relax
+ }%
+}
% @value{foo} gets the text saved in variable foo.
\def\value{\begingroup\makevalueexpandable\valuexxx}
% @ifset VAR ... @end ifset reads the `...' iff VAR has been defined
% with @set.
%
-\defparsearg\ifset{%
- \expandafter\ifx\csname SET#1\endcsname\relax
- \let\next=\ifsetfail
- \else
- \let\next=\ifsetsucceed
- \fi
- \next
+% To get special treatment of `@end ifset,' call \makeond and the redefine.
+%
+\makecond{ifset}
+\def\ifset{\parsearg{\doifset{\let\next=\ifsetfail}}}
+\def\doifset#1#2{%
+ {%
+ \makevalueexpandable
+ \let\next=\empty
+ \expandafter\ifx\csname SET#2\endcsname\relax
+ #1% If not set, redefine \next.
+ \fi
+ \expandafter
+ }\next
}
-\def\ifsetsucceed{\conditionalsucceed{ifset}}
\def\ifsetfail{\doignore{ifset}}
-\defineunmatchedend{ifset}
% @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been
% defined with @set, or has been undefined with @clear.
%
-\defparsearg\ifclear{%
- \expandafter\ifx\csname SET#1\endcsname\relax
- \let\next=\ifclearsucceed
- \else
- \let\next=\ifclearfail
- \fi
- \next
-}
-\def\ifclearsucceed{\conditionalsucceed{ifclear}}
-\def\ifclearfail{\doignore{ifclear}}
-\defineunmatchedend{ifclear}
-
-% @iftex, @ifnothtml, @ifnotinfo, @ifnotplaintext always succeed; we
-% read the text following, through the first @end iftex (etc.). Make
-% `@end iftex' (etc.) valid only after an @iftex.
+% The `\else' inside the `\doifset' parameter is a trick to reuse the
+% above code: if the variable is not set, do nothing, if it is set,
+% then redefine \next to \ifclearfail.
%
-\def\iftex{\conditionalsucceed{iftex}}
-\def\ifnothtml{\conditionalsucceed{ifnothtml}}
-\def\ifnotinfo{\conditionalsucceed{ifnotinfo}}
-\def\ifnotplaintext{\conditionalsucceed{ifnotplaintext}}
-\defineunmatchedend{iftex}
-\defineunmatchedend{ifnothtml}
-\defineunmatchedend{ifnotinfo}
-\defineunmatchedend{ifnotplaintext}
+\makecond{ifclear}
+\def\ifclear{\parsearg{\doifset{\else \let\next=\ifclearfail}}}
+\def\ifclearfail{\doignore{ifclear}}
-% True conditional. Since \set globally defines its variables, we can
-% just start and end a group (to keep the @end definition undefined at
-% the outer level).
-%
-\def\conditionalsucceed#1{\begingroup
- \expandafter\def\csname E#1\endcsname{\endgroup}%
-}
+% @dircategory CATEGORY -- specify a category of the dir file
+% which this file should belong to. Ignore this in TeX.
+\let\dircategory=\comment
% @defininfoenclose.
\let\definfoenclose=\comment
%
\normalturnoffactive
%
- % Control letters and accents.
+ \commondummiesnofonts
+ %
\definedummyletter{_}%
- \definedummyletter{,}%
- \definedummyletter{"}%
- \definedummyletter{`}%
- \definedummyletter{'}%
- \definedummyletter{^}%
- \definedummyletter{~}%
- \definedummyletter{=}%
- \definedummyword{u}%
- \definedummyword{v}%
- \definedummyword{H}%
- \definedummyword{dotaccent}%
- \definedummyword{ringaccent}%
- \definedummyword{tieaccent}%
- \definedummyword{ubaraccent}%
- \definedummyword{udotaccent}%
- \definedummyword{dotless}%
- %
- % Other non-English letters.
+ %
+ % Non-English letters.
\definedummyword{AA}%
\definedummyword{AE}%
\definedummyword{L}%
\definedummyword{oe}%
\definedummyword{o}%
\definedummyword{ss}%
+ \definedummyword{exclamdown}%
+ \definedummyword{questiondown}%
+ \definedummyword{ordf}%
+ \definedummyword{ordm}%
%
% Although these internal commands shouldn't show up, sometimes they do.
\definedummyword{bf}%
\definedummyword{tclose}%
\definedummyword{tt}%
%
- % Texinfo font commands.
- \definedummyword{b}%
- \definedummyword{i}%
- \definedummyword{r}%
- \definedummyword{sc}%
- \definedummyword{t}%
- %
+ \definedummyword{LaTeX}%
\definedummyword{TeX}%
- \definedummyword{acronym}%
- \definedummyword{cite}%
- \definedummyword{code}%
- \definedummyword{command}%
- \definedummyword{dfn}%
- \definedummyword{dots}%
- \definedummyword{emph}%
- \definedummyword{env}%
- \definedummyword{file}%
- \definedummyword{kbd}%
- \definedummyword{key}%
- \definedummyword{math}%
- \definedummyword{option}%
- \definedummyword{samp}%
- \definedummyword{strong}%
- \definedummyword{uref}%
- \definedummyword{url}%
- \definedummyword{var}%
- \definedummyword{verb}%
- \definedummyword{w}%
%
% Assorted special characters.
\definedummyword{bullet}%
\turnoffmacros
}
+% \commondummiesnofonts: common to \commondummies and \indexnofonts.
+%
+% Better have this without active chars.
+{
+ \catcode`\~=\other
+ \gdef\commondummiesnofonts{%
+ % Control letters and accents.
+ \definedummyletter{!}%
+ \definedummyletter{"}%
+ \definedummyletter{'}%
+ \definedummyletter{*}%
+ \definedummyletter{,}%
+ \definedummyletter{.}%
+ \definedummyletter{/}%
+ \definedummyletter{:}%
+ \definedummyletter{=}%
+ \definedummyletter{?}%
+ \definedummyletter{^}%
+ \definedummyletter{`}%
+ \definedummyletter{~}%
+ \definedummyword{u}%
+ \definedummyword{v}%
+ \definedummyword{H}%
+ \definedummyword{dotaccent}%
+ \definedummyword{ringaccent}%
+ \definedummyword{tieaccent}%
+ \definedummyword{ubaraccent}%
+ \definedummyword{udotaccent}%
+ \definedummyword{dotless}%
+ %
+ % Texinfo font commands.
+ \definedummyword{b}%
+ \definedummyword{i}%
+ \definedummyword{r}%
+ \definedummyword{sc}%
+ \definedummyword{t}%
+ %
+ % Commands that take arguments.
+ \definedummyword{acronym}%
+ \definedummyword{cite}%
+ \definedummyword{code}%
+ \definedummyword{command}%
+ \definedummyword{dfn}%
+ \definedummyword{emph}%
+ \definedummyword{env}%
+ \definedummyword{file}%
+ \definedummyword{kbd}%
+ \definedummyword{key}%
+ \definedummyword{math}%
+ \definedummyword{option}%
+ \definedummyword{samp}%
+ \definedummyword{strong}%
+ \definedummyword{tie}%
+ \definedummyword{uref}%
+ \definedummyword{url}%
+ \definedummyword{var}%
+ \definedummyword{verb}%
+ \definedummyword{w}%
+ }
+}
% \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
% would be for a given command (usually its argument).
%
-\def\indexdummytex{TeX}
-\def\indexdummydots{...}
-%
\def\indexnofonts{%
+ \def\definedummyword##1{%
+ \expandafter\let\csname ##1\endcsname\asis
+ }%
+ \let\definedummyletter=\definedummyword
+ %
+ \commondummiesnofonts
+ %
+ % Don't no-op \tt, since it isn't a user-level command
+ % and is used in the definitions of the active chars like <, >, |, etc.
+ % Likewise with the other plain tex font commands.
+ %\let\tt=\asis
+ %
\def\ { }%
\def\@{@}%
% how to handle braces?
\def\_{\normalunderscore}%
%
- \let\,=\asis
- \let\"=\asis
- \let\`=\asis
- \let\'=\asis
- \let\^=\asis
- \let\~=\asis
- \let\==\asis
- \let\u=\asis
- \let\v=\asis
- \let\H=\asis
- \let\dotaccent=\asis
- \let\ringaccent=\asis
- \let\tieaccent=\asis
- \let\ubaraccent=\asis
- \let\udotaccent=\asis
- \let\dotless=\asis
- %
- % Other non-English letters.
+ % Non-English letters.
\def\AA{AA}%
\def\AE{AE}%
\def\L{L}%
\def\ss{ss}%
\def\exclamdown{!}%
\def\questiondown{?}%
+ \def\ordf{a}%
+ \def\ordm{o}%
%
- % Don't no-op \tt, since it isn't a user-level command
- % and is used in the definitions of the active chars like <, >, |, etc.
- % Likewise with the other plain tex font commands.
- %\let\tt=\asis
+ \def\LaTeX{LaTeX}%
+ \def\TeX{TeX}%
%
- % Texinfo font commands.
- \let\b=\asis
- \let\i=\asis
- \let\r=\asis
- \let\sc=\asis
- \let\t=\asis
- %
- \let\TeX=\indexdummytex
- \let\acronym=\asis
- \let\cite=\asis
- \let\code=\asis
- \let\command=\asis
- \let\dfn=\asis
- \let\dots=\indexdummydots
- \let\emph=\asis
- \let\env=\asis
- \let\file=\asis
- \let\kbd=\asis
- \let\key=\asis
- \let\math=\asis
- \let\option=\asis
- \let\samp=\asis
- \let\strong=\asis
- \let\uref=\asis
- \let\url=\asis
- \let\var=\asis
- \let\verb=\asis
- \let\w=\asis
+ % Assorted special characters.
+ % (The following {} will end up in the sort string, but that's ok.)
+ \def\bullet{bullet}%
+ \def\copyright{copyright}%
+ \def\registeredsymbol{R}%
+ \def\dots{...}%
+ \def\enddots{...}%
+ \def\equiv{==}%
+ \def\error{error}%
+ \def\expansion{==>}%
+ \def\minus{-}%
+ \def\pounds{pounds}%
+ \def\point{.}%
+ \def\print{-|}%
+ \def\result{=>}%
}
\let\indexbackslash=0 %overridden during \printindex.
% Remember, we are within a group.
\indexdummies % Must do this here, since \bf, etc expand at this stage
\escapechar=`\\
- \def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now
+ \def\backslashcurfont{\indexbackslash}% \indexbackslash isn't defined now
% so it will be output as is; and it will print as backslash.
%
% Process the index entry with all font commands turned off, to
% @printindex causes a particular index (the ??s file) to get printed.
% It does not print any chapter heading (usually an @unnumbered).
%
-\defparsearg\printindex{\begingroup
+\parseargdef\printindex{\begingroup
\dobreak \chapheadingskip{10000}%
%
\smallfonts \rm
% Index files are almost Texinfo source, but we use \ as the escape
% character. It would be better to use @, but that's too big a change
% to make right now.
- \def\indexbackslash{\rawbackslashxx}%
+ \def\indexbackslash{\backslashcurfont}%
\catcode`\\ = 0
\escapechar = `\\
\begindoublecolumns
% then page number (#2) flushed to the right margin. It is used for index
% and table of contents entries. The paragraph is indented by \leftskip.
%
-% A straigtforward implementation would start like this:
-% \def\entry#1#2{...
+% A straightforward implementation would start like this:
+% \def\entry#1#2{...
% But this frozes the catcodes in the argument, and can cause problems to
-% @code, which set's active ``-''. This problem was fixed by a kludge---
-% ``-'' was active throughout whole index, but this isn't what we really
-% want.
+% @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{%
% part of (the primitive) \par. Without it, a spurious underfull
% \hbox ensues.
\ifpdf
- \pdfgettoks#1.\ \the\toksA
+ \pdfgettoks#1.%
+ \ \the\toksA
\else
- \ #1%
+ \ #1%
\fi
\fi
\par
\def\lowersections{\global\advance\secbase by 1}
\let\down=\lowersections % original BFox name
-% Choose a numbered-heading macro
-% #1 is heading level if unmodified by @raisesections or @lowersections
-% #2 is text for heading
-\def\numhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
-\ifcase\absseclevel
- \chapterzzz{#2}%
- \or \seczzz{#2}%
- \or \numberedsubseczzz{#2}%
- \or \numberedsubsubseczzz{#2}%
+% we only have subsub.
+\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
+%
+% Trace whether the current chapter is an appendix or not:
+% \chapheadtype is "N" or "A", unnumbered chapters are ignored.
+\def\chapheadtype{N}
+
+% Choose a heading macro
+% #1 is heading type
+% #2 is heading level
+% #3 is text for heading
+\def\genhead#1#2#3{%
+ % Compute the abs. sec. level:
+ \absseclevel=#2
+ \advance\absseclevel by \secbase
+ % Make sure \absseclevel doesn't fall outside the range:
+ \ifnum \absseclevel < 0
+ \absseclevel = 0
\else
- \ifnum \absseclevel<0 \chapterzzz{#2}%
- \else \numberedsubsubseczzz{#2}%
+ \ifnum \absseclevel > 3
+ \absseclevel = 3
\fi
\fi
- \suppressfirstparagraphindent
-}
-
-% like \numhead, but chooses appendix heading levels
-\def\apphead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
-\ifcase\absseclevel
- \appendixzzz{#2}%
- \or \appendixsectionzzz{#2}%
- \or \appendixsubseczzz{#2}%
- \or \appendixsubsubseczzz{#2}%
+ % The heading type:
+ \def\headtype{#1}%
+ \if \headtype U%
+ \ifnum \absseclevel < \unmlevel
+ \chardef\unmlevel = \absseclevel
+ \fi
\else
- \ifnum \absseclevel<0 \appendixzzz{#2}%
- \else \appendixsubsubseczzz{#2}%
+ % Check for appendix sections:
+ \ifnum \absseclevel = 0
+ \edef\chapheadtype{\headtype}%
+ \else
+ \if \headtype A\if \chapheadtype N%
+ \errmessage{@appendix... within a non-appendix chapter}%
+ \fi\fi
+ \fi
+ % Check for numbered within unnumbered:
+ \ifnum \absseclevel > \unmlevel
+ \def\headtype{U}%
+ \else
+ \chardef\unmlevel = 3
\fi
\fi
- \suppressfirstparagraphindent
-}
-
-% like \numhead, but chooses numberless heading levels
-\def\unnmhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
- \ifcase\absseclevel
- \unnumberedzzz{#2}%
- \or \unnumberedseczzz{#2}%
- \or \unnumberedsubseczzz{#2}%
- \or \unnumberedsubsubseczzz{#2}%
+ % Now print the heading:
+ \if \headtype U%
+ \ifcase\absseclevel
+ \unnumberedzzz{#3}%
+ \or \unnumberedseczzz{#3}%
+ \or \unnumberedsubseczzz{#3}%
+ \or \unnumberedsubsubseczzz{#3}%
+ \fi
\else
- \ifnum \absseclevel<0 \unnumberedzzz{#2}%
- \else \unnumberedsubsubseczzz{#2}%
+ \if \headtype A%
+ \ifcase\absseclevel
+ \appendixzzz{#3}%
+ \or \appendixsectionzzz{#3}%
+ \or \appendixsubseczzz{#3}%
+ \or \appendixsubsubseczzz{#3}%
+ \fi
+ \else
+ \ifcase\absseclevel
+ \chapterzzz{#3}%
+ \or \seczzz{#3}%
+ \or \numberedsubseczzz{#3}%
+ \or \numberedsubsubseczzz{#3}%
+ \fi
\fi
\fi
\suppressfirstparagraphindent
}
+% an interface:
+\def\numhead{\genhead N}
+\def\apphead{\genhead A}
+\def\unnmhead{\genhead U}
+
% @chapter, @appendix, @unnumbered. Increment top-level counter, reset
% all lower-level sectioning counters to zero.
%
% (e.g., figures), q.v. By default (before any chapter), that is empty.
\let\chaplevelprefix = \empty
%
-\outer\defparsearg\chapter{\numhead0{#1}} % normally numhead0 calls chapterzzz
+\outer\parseargdef\chapter{\numhead0{#1}} % normally numhead0 calls chapterzzz
\def\chapterzzz#1{%
% section resetting is \global in case the chapter is in a group, such
% as an @include file.
\global\let\subsubsection = \numberedsubsubsec
}
-\outer\defparsearg\appendix{\apphead0{#1}} % normally apphead0 calls appendixzzz
+\outer\parseargdef\appendix{\apphead0{#1}} % normally apphead0 calls appendixzzz
\def\appendixzzz#1{%
\global\secno=0 \global\subsecno=0 \global\subsubsecno=0
\global\advance\appendixno by 1
\global\let\subsubsection = \appendixsubsubsec
}
-% @centerchap is like @unnumbered, but the heading is centered.
-\outer\defparsearg\centerchap{{\unnumberedyyy{#1}}}
-
-\outer\defparsearg\unnumbered{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz
+\outer\parseargdef\unnumbered{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz
\def\unnumberedzzz#1{%
\global\secno=0 \global\subsecno=0 \global\subsubsecno=0
\global\advance\unnumberedno by 1
%
- % Since an unnumbered as no number, no prefix for figures.
+ % Since an unnumbered has no number, no prefix for figures.
\global\let\chaplevelprefix = \empty
\resetallfloatnos
%
\global\let\subsubsection = \unnumberedsubsubsec
}
+% @centerchap is like @unnumbered, but the heading is centered.
+\outer\parseargdef\centerchap{%
+ % Well, we could do the following in a group, but that would break
+ % an assumption that \chapmacro is called at the outermost level.
+ % Thus we are safer this way: --kasal, 24feb04
+ \let\centerparametersmaybe = \centerparameters
+ \unnmhead0{#1}%
+ \let\centerparametersmaybe = \relax
+}
+
% @top is like @unnumbered.
\let\top\unnumbered
% Sections.
-\outer\defparsearg\numberedsec{\numhead1{#1}} % normally calls seczzz
+\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\defparsearg\appendixsection{\apphead1{#1}} % normally calls appendixsectionzzz
+\outer\parseargdef\appendixsection{\apphead1{#1}} % normally calls appendixsectionzzz
\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\defparsearg\unnumberedsec{\unnmhead1{#1}} % normally calls unnumberedseczzz
+\outer\parseargdef\unnumberedsec{\unnmhead1{#1}} % normally calls unnumberedseczzz
\def\unnumberedseczzz#1{%
\global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1
\sectionheading{#1}{sec}{Ynothing}{\the\unnumberedno.\the\secno}%
}
% Subsections.
-\outer\defparsearg\numberedsubsec{\numhead2{#1}} % normally calls numberedsubseczzz
+\outer\parseargdef\numberedsubsec{\numhead2{#1}} % normally calls numberedsubseczzz
\def\numberedsubseczzz#1{%
\global\subsubsecno=0 \global\advance\subsecno by 1
\sectionheading{#1}{subsec}{Ynumbered}{\the\chapno.\the\secno.\the\subsecno}%
}
-\outer\defparsearg\appendixsubsec{\apphead2{#1}} % normally calls appendixsubseczzz
+\outer\parseargdef\appendixsubsec{\apphead2{#1}} % normally calls appendixsubseczzz
\def\appendixsubseczzz#1{%
\global\subsubsecno=0 \global\advance\subsecno by 1
\sectionheading{#1}{subsec}{Yappendix}%
{\appendixletter.\the\secno.\the\subsecno}%
}
-\outer\defparsearg\unnumberedsubsec{\unnmhead2{#1}} %normally calls unnumberedsubseczzz
+\outer\parseargdef\unnumberedsubsec{\unnmhead2{#1}} %normally calls unnumberedsubseczzz
\def\unnumberedsubseczzz#1{%
\global\subsubsecno=0 \global\advance\subsecno by 1
\sectionheading{#1}{subsec}{Ynothing}%
}
% Subsubsections.
-\outer\defparsearg\numberedsubsubsec{\numhead3{#1}} % normally numberedsubsubseczzz
+\outer\parseargdef\numberedsubsubsec{\numhead3{#1}} % normally numberedsubsubseczzz
\def\numberedsubsubseczzz#1{%
\global\advance\subsubsecno by 1
\sectionheading{#1}{subsubsec}{Ynumbered}%
{\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno}%
}
-\outer\defparsearg\appendixsubsubsec{\apphead3{#1}} % normally appendixsubsubseczzz
+\outer\parseargdef\appendixsubsubsec{\apphead3{#1}} % normally appendixsubsubseczzz
\def\appendixsubsubseczzz#1{%
\global\advance\subsubsecno by 1
\sectionheading{#1}{subsubsec}{Yappendix}%
{\appendixletter.\the\secno.\the\subsecno.\the\subsubsecno}%
}
-\outer\defparsearg\unnumberedsubsubsec{\unnmhead3{#1}} %normally unnumberedsubsubseczzz
+\outer\parseargdef\unnumberedsubsubsec{\unnmhead3{#1}} %normally unnumberedsubsubseczzz
\def\unnumberedsubsubseczzz#1{%
\global\advance\subsubsecno by 1
\sectionheading{#1}{subsubsec}{Ynothing}%
{\the\unnumberedno.\the\secno.\the\subsecno.\the\subsubsecno}%
}
-% These are variants which are not "outer", so they can appear in @ifinfo.
-% Actually, they are now be obsolete; ordinary section commands should work.
-\def\infotop{\parsearg\unnumberedzzz}
-\def\infounnumbered{\parsearg\unnumberedzzz}
-\def\infounnumberedsec{\parsearg\unnumberedseczzz}
-\def\infounnumberedsubsec{\parsearg\unnumberedsubseczzz}
-\def\infounnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz}
-
-\def\infoappendix{\parsearg\appendixzzz}
-\def\infoappendixsec{\parsearg\appendixseczzz}
-\def\infoappendixsubsec{\parsearg\appendixsubseczzz}
-\def\infoappendixsubsubsec{\parsearg\appendixsubsubseczzz}
-
-\def\infochapter{\parsearg\chapterzzz}
-\def\infosection{\parsearg\sectionzzz}
-\def\infosubsection{\parsearg\subsectionzzz}
-\def\infosubsubsection{\parsearg\subsubsectionzzz}
-
% These macros control what the section commands do, according
% to what kind of chapter we are in (ordinary, appendix, or unnumbered).
% Define them by default for a numbered chapter.
}
% @heading, @subheading, @subsubheading.
-\defparsearg\heading{\sectionheading{#1}{sec}{Yomitfromtoc}{}
+\parseargdef\heading{\sectionheading{#1}{sec}{Yomitfromtoc}{}
\suppressfirstparagraphindent}
-\defparsearg\subheading{\sectionheading{#1}{subsec}{Yomitfromtoc}{}
+\parseargdef\subheading{\sectionheading{#1}{subsec}{Yomitfromtoc}{}
\suppressfirstparagraphindent}
-\defparsearg\subsubheading{\sectionheading{#1}{subsubsec}{Yomitfromtoc}{}
+\parseargdef\subsubheading{\sectionheading{#1}{subsubsec}{Yomitfromtoc}{}
\suppressfirstparagraphindent}
% These macros generate a chapter, section, etc. heading only
%%% Args are the skip and penalty (usually negative)
\def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi}
-\def\setchapterstyle #1 {\csname CHAPF#1\endcsname}
-
%%% Define plain chapter starts, and page on/off switching for it
% Parameter controlling skip before chapter headings (if needed)
\CHAPPAGon
-\def\CHAPFplain{%
-\global\let\chapmacro=\chfplain
-\global\let\centerchapmacro=\centerchfplain}
-
-% Normal chapter opening.
+% Chapter opening.
%
% #1 is the text, #2 is the section type (Ynumbered, Ynothing,
% Yappendix, Yomitfromtoc), #3 the chapter number.
\def\Yomitfromtockeyword{Yomitfromtoc}
\def\Yappendixkeyword{Yappendix}
%
-\def\chfplain#1#2#3{%
+\def\chapmacro#1#2#3{%
\pchapsepmacro
{%
\chapfonts \rm
% @centerchap -- centered and unnumbered.
\let\centerparametersmaybe = \relax
-\def\centerchfplain#1{{%
- \def\centerparametersmaybe{%
- \advance\rightskip by 3\rightskip
- \leftskip = \rightskip
- \parfillskip = 0pt
- }%
- \chfplain{#1}{Ynothing}{}%
-}}
+\def\centerparameters{%
+ \advance\rightskip by 3\rightskip
+ \leftskip = \rightskip
+ \parfillskip = 0pt
+}
-\CHAPFplain % The default
% I don't think this chapter style is supported any more, so I'm not
% updating it with the new noderef stuff. We'll see. --karl, 11aug03.
%
+\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
}
-
\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
}
-
\def\CHAPFopen{%
-\global\let\chapmacro=\chfopen
-\global\let\centerchapmacro=\centerchfopen}
+ \global\let\chapmacro=\chfopen
+ \global\let\centerchapmacro=\centerchfopen}
% Section titles. These macros combine the section number parts and
% Prepare to read what we've written to \tocfile.
%
\def\startcontents#1{%
- % If @setchapternewpage on, and @headings double, the contents should
- % start on an odd page, unlike chapters. Thus, we maintain
- % \contentsalignmacro in parallel with \pagealignmacro.
- % From: Torbjorn Granlund <tege@matematik.su.se>
- \contentsalignmacro
- \immediate\closeout\tocfile
- %
- % Don't need to put `Contents' or `Short Contents' in the headline.
- % It is abundantly clear what they are.
- \def\thischapter{}%
- \chapmacro{#1}{Yomitfromtoc}{}%
- %
- \savepageno = \pageno
- \begingroup % Set up to handle contents files properly.
- \catcode`\\=0 \catcode`\{=1 \catcode`\}=2 \catcode`\@=11
- % We can't do this, because then an actual ^ in a section
- % title fails, e.g., @chapter ^ -- exponentiation. --karl, 9jul97.
- %\catcode`\^=7 % to see ^^e4 as \"a etc. juha@piuha.ydi.vtt.fi
- \raggedbottom % Worry more about breakpoints than the bottom.
- \advance\hsize by -\contentsrightmargin % Don't use the full line length.
- %
- % Roman numerals for page numbers.
- \ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi
+ % If @setchapternewpage on, and @headings double, the contents should
+ % start on an odd page, unlike chapters. Thus, we maintain
+ % \contentsalignmacro in parallel with \pagealignmacro.
+ % From: Torbjorn Granlund <tege@matematik.su.se>
+ \contentsalignmacro
+ \immediate\closeout\tocfile
+ %
+ % Don't need to put `Contents' or `Short Contents' in the headline.
+ % It is abundantly clear what they are.
+ \def\thischapter{}%
+ \chapmacro{#1}{Yomitfromtoc}{}%
+ %
+ \savepageno = \pageno
+ \begingroup % Set up to handle contents files properly.
+ \catcode`\\=0 \catcode`\{=1 \catcode`\}=2 \catcode`\@=11
+ % We can't do this, because then an actual ^ in a section
+ % title fails, e.g., @chapter ^ -- exponentiation. --karl, 9jul97.
+ %\catcode`\^=7 % to see ^^e4 as \"a etc. juha@piuha.ydi.vtt.fi
+ \raggedbottom % Worry more about breakpoints than the bottom.
+ \advance\hsize by -\contentsrightmargin % Don't use the full line length.
+ %
+ % Roman numerals for page numbers.
+ \ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi
}
% Normal (long) toc.
\def\contents{%
- \startcontents{\putwordTOC}%
- \openin 1 \jobname.toc
- \ifeof 1 \else
- \closein 1
- \input \jobname.toc
- \fi
- \vfill \eject
- \contentsalignmacro % in case @setchapternewpage odd is in effect
- \pdfmakeoutlines
- \endgroup
- \lastnegativepageno = \pageno
- \global\pageno = \savepageno
+ \startcontents{\putwordTOC}%
+ \openin 1 \jobname.toc
+ \ifeof 1 \else
+ \input \jobname.toc
+ \fi
+ \vfill \eject
+ \contentsalignmacro % in case @setchapternewpage odd is in effect
+ \ifeof 1 \else
+ \pdfmakeoutlines
+ \fi
+ \closein 1
+ \endgroup
+ \lastnegativepageno = \pageno
+ \global\pageno = \savepageno
}
% And just the chapters.
\def\summarycontents{%
- \startcontents{\putwordShortTOC}%
- %
- \let\numchapentry = \shortchapentry
- \let\appentry = \shortchapentry
- \let\unnchapentry = \shortunnchapentry
- % We want a true roman here for the page numbers.
- \secfonts
- \let\rm=\shortcontrm \let\bf=\shortcontbf
- \let\sl=\shortcontsl \let\tt=\shortconttt
- \rm
- \hyphenpenalty = 10000
- \advance\baselineskip by 1pt % Open it up a little.
- \def\numsecentry##1##2##3##4{}
- \let\appsecentry = \numsecentry
- \let\unnsecentry = \numsecentry
- \let\numsubsecentry = \numsecentry
- \let\appsubsecentry = \numsecentry
- \let\unnsubsecentry = \numsecentry
- \let\numsubsubsecentry = \numsecentry
- \let\appsubsubsecentry = \numsecentry
- \let\unnsubsubsecentry = \numsecentry
- \openin 1 \jobname.toc
- \ifeof 1 \else
- \closein 1
- \input \jobname.toc
- \fi
- \vfill \eject
- \contentsalignmacro % in case @setchapternewpage odd is in effect
- \endgroup
- \lastnegativepageno = \pageno
- \global\pageno = \savepageno
+ \startcontents{\putwordShortTOC}%
+ %
+ \let\numchapentry = \shortchapentry
+ \let\appentry = \shortchapentry
+ \let\unnchapentry = \shortunnchapentry
+ % We want a true roman here for the page numbers.
+ \secfonts
+ \let\rm=\shortcontrm \let\bf=\shortcontbf
+ \let\sl=\shortcontsl \let\tt=\shortconttt
+ \rm
+ \hyphenpenalty = 10000
+ \advance\baselineskip by 1pt % Open it up a little.
+ \def\numsecentry##1##2##3##4{}
+ \let\appsecentry = \numsecentry
+ \let\unnsecentry = \numsecentry
+ \let\numsubsecentry = \numsecentry
+ \let\appsubsecentry = \numsecentry
+ \let\unnsubsecentry = \numsecentry
+ \let\numsubsubsecentry = \numsecentry
+ \let\appsubsubsecentry = \numsecentry
+ \let\unnsubsubsecentry = \numsecentry
+ \openin 1 \jobname.toc
+ \ifeof 1 \else
+ \input \jobname.toc
+ \fi
+ \closein 1
+ \vfill \eject
+ \contentsalignmacro % in case @setchapternewpage odd is in effect
+ \endgroup
+ \lastnegativepageno = \pageno
+ \global\pageno = \savepageno
}
\let\shortcontents = \summarycontents
\def\unnsubsubsecentry#1#2#3#4{\dosubsubsecentry{#1}{#4}}
% This parameter controls the indentation of the various levels.
-\newdimen\tocindent \tocindent = 2pc
+% Same as \defaultparindent.
+\newdimen\tocindent \tocindent = 15pt
% Now for the actual typesetting. In all these, #1 is the text and #2 is the
% page number.
% One exception: @ is still an escape character, so that @end tex works.
% But \@ or @@ will get a plain tex @ character.
-\def\tex{\begingroup
+\envdef\tex{%
\catcode `\\=0 \catcode `\{=1 \catcode `\}=2
\catcode `\$=3 \catcode `\&=4 \catcode `\#=6
\catcode `\^=7 \catcode `\_=8 \catcode `\~=\active \let~=\tie
\def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}%
\def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}%
\def\@{@}%
-\let\Etex=\endgroup}
+}
+% There is no need to define \Etex.
% Define @lisp ... @end lisp.
-% @lisp does a \begingroup so it can rebind things,
+% @lisp environment forms a group so it can rebind things,
% including the definition of @end lisp (which normally is erroneous).
% Amount to narrow the margins by for @lisp.
\removelastskip
% it's not a good place to break if the last penalty was \nobreak
% or better ...
- \ifnum\lastpenalty>10000 \else \penalty-50 \fi
+ \ifnum\lastpenalty<10000 \penalty-50 \fi
\vskip\envskipamount
\fi
\fi
%
\newskip\lskip\newskip\rskip
-\def\cartouche{%
-\begingroup\inENV
+\envdef\cartouche{%
\ifhmode\par\fi % can't be in the midst of a paragraph.
\startsavinginserts
\lskip=\leftskip \rskip=\rightskip
\cartinner=\hsize \advance\cartinner by-\lskip
\advance\cartinner by-\rskip
\cartouter=\hsize
- \advance\cartouter by 18.4pt % allow for 3pt kerns on either
- % side, and for 6pt waste from
- % each corner char, and rule thickness
+ \advance\cartouter by 18.4pt % allow for 3pt kerns on either
+ % 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=\comment
\baselineskip=0pt\parskip=0pt\lineskip=0pt
\carttop
\hbox\bgroup
- \hskip\lskip
- \vrule\kern3pt
- \vbox\bgroup
- \kern3pt
- \hsize=\cartinner
- \baselineskip=\normbskip
- \lineskip=\normlskip
- \parskip=\normpskip
- \vskip -\parskip
- \comment % For explanation, see the end of \def\group.
+ \hskip\lskip
+ \vrule\kern3pt
+ \vbox\bgroup
+ \kern3pt
+ \hsize=\cartinner
+ \baselineskip=\normbskip
+ \lineskip=\normlskip
+ \parskip=\normpskip
+ \vskip -\parskip
+ \comment % For explanation, see the end of \def\group.
}
\def\Ecartouche{%
\ifhmode\par\fi
- \kern3pt
- \egroup
- \kern3pt\vrule
- \hskip\rskip
+ \kern3pt
+ \egroup
+ \kern3pt\vrule
+ \hskip\rskip
\egroup
\cartbot
\egroup
\checkinserts
-\endgroup
}
% inside a group.
\def\nonfillstart{%
\aboveenvbreak
- \inENV % This group ends at the end of the body
\hfuzz = 12pt % Don't be fussy
\sepspaces % Make spaces be word-separators rather than space tokens.
\let\par = \lisppar % don't ignore blank lines
\ifx\nonarrowing\relax
\advance \leftskip by \lispnarrowing
\exdentamount=\lispnarrowing
- \let\exdent=\nofillexdent
- \let\nonarrowing=\relax
\fi
+ \let\exdent=\nofillexdent
}
-% Define the \E... control sequence only if we are inside the particular
-% environment, so the error checking in \end will work.
+% 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:
+% @example, @display, @format, @lisp
%
-% To end an @example-like environment, we first end the paragraph (via
-% \afterenvbreak's vertical glue), and then the group. That way we keep
-% the zero \parskip that the environments set -- \parskip glue will be
-% inserted at the beginning of the next paragraph in the document, after
-% the environment.
-%
-\def\nonfillfinish{\afterenvbreak\endgroup}
+\def\smallword{small}
+\def\nosmallword{nosmall}
+\let\SETdispenvsize\relax
+\def\setnormaldispenv{%
+ \ifx\SETdispenvsize\smallword
+ \smallexamplefonts \rm
+ \fi
+}
+\def\setsmalldispenv{%
+ \ifx\SETdispenvsize\nosmallword
+ \else
+ \smallexamplefonts \rm
+ \fi
+}
-% @lisp: indented, narrowed, typewriter font.
-\def\lisp{\begingroup
- \nonfillstart
- \let\Elisp = \nonfillfinish
- \tt
- \let\kbdfont = \kbdexamplefont % Allow @kbd to do something special.
- \gobble % eat return
+% 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}
+ \expandafter\let\csname E#1\endcsname \afterenvbreak
+ \expandafter\let\csname Esmall#1\endcsname \afterenvbreak
}
-% @example: Same as @lisp.
-\def\example{\begingroup \def\Eexample{\nonfillfinish\endgroup}\lisp}
+% Define two synonyms:
+\def\maketwodispenvs #1#2#3{
+ \makedispenv{#1}{#3}
+ \makedispenv{#2}{#3}
+}
+% @lisp: indented, narrowed, typewriter font; @example: same as @lisp.
+%
% @smallexample and @smalllisp: use smaller fonts.
% Originally contributed by Pavel@xerox.
-\def\smalllisp{\begingroup
- \def\Esmalllisp{\nonfillfinish\endgroup}%
- \def\Esmallexample{\nonfillfinish\endgroup}%
- \smallexamplefonts
- \lisp
+%
+\maketwodispenvs {lisp}{example}{%
+ \nonfillstart
+ \tt
+ \let\kbdfont = \kbdexamplefont % Allow @kbd to do something special.
+ \gobble % eat return
}
-\let\smallexample = \smalllisp
-
-% @display: same as @lisp except keep current font.
+% @display/@smalldisplay: same as @lisp except keep current font.
%
-\def\display{\begingroup
+\makedispenv {display}{%
\nonfillstart
- \let\Edisplay = \nonfillfinish
\gobble
}
-%
-% @smalldisplay: @display plus smaller fonts.
-%
-\def\smalldisplay{\begingroup
- \def\Esmalldisplay{\nonfillfinish\endgroup}%
- \smallexamplefonts \rm
- \display
-}
-% @format: same as @display except don't narrow margins.
+% @format/@smallformat: same as @display except don't narrow margins.
%
-\def\format{\begingroup
+\makedispenv{format}{%
\let\nonarrowing = t%
\nonfillstart
- \let\Eformat = \nonfillfinish
\gobble
}
-%
-% @smallformat: @format plus smaller fonts.
-%
-\def\smallformat{\begingroup
- \def\Esmallformat{\nonfillfinish\endgroup}%
- \smallexamplefonts \rm
- \format
-}
-% @flushleft (same as @format).
-%
-\def\flushleft{\begingroup \def\Eflushleft{\nonfillfinish\endgroup}\format}
+% @flushleft: same as @format, but doesn't obey \SETdispenvsize.
+\envdef\flushleft{%
+ \let\nonarrowing = t%
+ \nonfillstart
+ \gobble
+}
+\let\Eflushleft = \afterenvbreak
% @flushright.
%
-\def\flushright{\begingroup
+\envdef\flushright{%
\let\nonarrowing = t%
\nonfillstart
- \let\Eflushright = \nonfillfinish
\advance\leftskip by 0pt plus 1fill
\gobble
}
+\let\Eflushright = \afterenvbreak
% @quotation does normal linebreaking (hence we can't use \nonfillstart)
-% and narrows the margins.
+% 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.
%
-\def\quotation{%
- \begingroup\inENV %This group ends at the end of the @quotation body
+\envdef\quotation{%
{\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip
\parindent=0pt
- % We have retained a nonzero parskip for the environment, since we're
- % doing normal filling. So to avoid extra space below the environment...
- \def\Equotation{\parskip = 0pt \nonfillfinish}%
%
% @cartouche defines \nonarrowing to inhibit narrowing at next level down.
\ifx\nonarrowing\relax
\parsearg\quotationlabel
}
+% We have retained a nonzero parskip for the environment, since we're
+% doing normal filling.
+%
+\def\Equotation{%
+ \par
+ \ifx\quotationauthor\undefined\else
+ % indent a bit.
+ \leftline{\kern 2\leftskip \sl ---\quotationauthor}%
+ \fi
+ {\parskip=0pt \afterenvbreak}%
+}
+
% If we're given an argument, typeset it in bold with a colon after.
\def\quotationlabel#1{%
\def\temp{#1}%
% without the active space; thus we have to use \xdef and \gobble.
\endgroup
%
-\def\verbatim{%
- \let\Everbatim\nonfillfinish
- \begingroup
+\envdef\verbatim{%
\setupverbatim\doverbatim
}
+\let\Everbatim = \afterenvbreak
+
% @verbatiminclude FILE - insert text of file in verbatim environment.
%
\def\verbatiminclude{\parseargusing\filenamecatcodes\doverbatiminclude}
%
\def\doverbatiminclude#1{%
- \begingroup
+ {%
\makevalueexpandable
\setupverbatim
\input #1
- \nonfillfinish % contains \endgroup
+ \afterenvbreak
+ }%
}
% @copying ... @end copying.
\newskip\defargsindent \defargsindent=50pt
\newskip\deflastargmargin \deflastargmargin=18pt
-% \startdefun \deffn
-% -- starts the processing of @deffn
-\def\startdefun#1{%
- \begingroup\inENV
- \def\thisenv{#1}%
+% Start the processing of @deffn:
+\def\startdefun{%
\ifnum\lastpenalty<10000
\medbreak
\else
\exdentamount=\defbodyindent
}
-% \dodefunx \startdefun \deffn
-% -- converts \deffn expansion to \deffnx, omitting \startdefun.
-\def\dodefunx \startdefun #1{%
+\def\dodefunx#1{%
+ % First, check whether we are in the right environment:
+ \checkenv#1%
+ %
% As above, allow line break if we have multiple x headers in a row.
% It's not a great place, though.
\ifnum\lastpenalty=10002 \penalty3000 \fi
%
- % Check whether we are inside the corresponding @defun.
- \def\temp{#1}%
- \ifx\thisenv\temp
- \else
- \errmessage{\expandafter\string\temp x inside
- \expandafter\noexpand\thisenv environment}%
- \fi
+ % And now, it's time to reuse the body of the original defun:
+ \expandafter\gobbledefun#1%
}
+\def\gobbledefun#1\startdefun{}
-% Without continued lines we'd just have:
-% \def\parsedefunline#1{\parseargusing\activeparens{\parsedefunlineX#1}}
-% \def\parsedefunlineX#1#2{\printdefunline #1#2\DefunTerm}
-% but with continuations, things are much more complicated.
+% \printdefunline \deffnheader{text}
%
-\def\parsedefunline#1{%
- \def\defunlinemacro{#1}% store \deffnheader (initially)
- \parsedefunlineX
-}
-\def\parsedefunlineX{%
- \parseargusing\activeparens\parsedefunlineY
-}
-\def\parsedefunlineY#1{%
- % We have to prepend a token to prevent brace stripping;
- % \defunlinemacro just comes handy.
- \defunchkspace\defunlinemacro#1\DefunMid\ \DefunMid\DefunTerm
-}
-\def\defunchkspace#1\ \DefunMid#2\DefunTerm{%
- \def\temp{#2}%
- \ifx\temp\empty
- % The line doesn't end with `@ '; in this case, #1 ends with \DefunMid.
- \let\next\defunchktab
- \else
- % `@ ' was found and stripped.
- \let\next\defunloop
- \fi
- \next#1\^^I\DefunMid\DefunTerm
-}
-\def\defunchktab#1\^^I\DefunMid#2\DefunTerm{%
- \def\temp{#2}%
- \ifx\temp\empty
- % The line doesn't end with `@TAB', either.
- \let\next\defunchkfinish
- \else
- % `@TAB' was found and stripped.
- \let\next\defunloop
- \fi
- \next#1\^^I\DefunMid\DefunTerm
-}
-\def\defunloop#1\^^I\DefunMid\DefunTerm{%
- % Expand the \defunlinemacro token at the beginning of #1.
- \expandafter\def\expandafter\defunlinemacro
- \expandafter{#1 }%
- \parsedefunlineX
-}
-\def\defunchkfinish#1\DefunMid\^^I%\DefunMid\DefunTerm -- stays here
-{%
- % #1 starts with \defunlinemacro, which is expanded and its expansion
- % starts with eg. \deffnheader.
- \expandafter\replaceeols #1\^^M%\DefunMid\DefunTerm -- stays here
-}
-
-% Each occurence of `\^^M' or `<space>\^^M' is replaced by a single space.
-%
-% The parameters start with \deffnheader token, so trere is no risk braces
-% could be stripped at #1. And we have a \DefunMid token just before
-% \DefunTerm, so we cannot loose braces at #2 either. Uff!
-%
-\def\replaceeols#1\^^M#2\DefunTerm{%
- \stripDefunMid #2%
- \ifx\temp\empty
- % This \^^M is the terminating one.
- \printdefunline #1\DefunTerm
- \else
- \replaceeolsX#1\^^M \^^M#2\DefunTerm
- \fi
-}
-\def\replaceeolsX#1 \^^M{\replaceeolsY#1\^^M}
-\def\replaceeolsY#1\^^M#2\^^M{\replaceeols#1 }
-\def\stripDefunMid#1\DefunMid{\def\temp{#1}}
-
-% \printdefunline \deffnheader text\DefunTerm
-%
-\def\printdefunline#1\DefunTerm{%
+\def\printdefunline#1#2{%
\begingroup
% call \deffnheader:
- #1 \endheader
+ #1#2 \endheader
% common ending:
\interlinepenalty = 10000
\advance\rightskip by 0pt plus 1fil
\endgroup
}
-\def\Edefun{\endgraf\endgroup\medbreak}
+\def\Edefun{\endgraf\medbreak}
% \makedefun{deffn} creates \deffn, \deffnx and \Edeffn;
% the only thing remainnig is to define \deffnheader.
% \deffnheader has to be defined explicitly.
%
\def\domakedefun#1#2#3{%
- \def#1{%
- \startdefun#1%
- \parsedefunline#3%
+ \envdef#1{%
+ \startdefun
+ \parseargusing\activeparens{\printdefunline#3}%
}%
- % A tricky way to recycle the code defined above:
- \def#2{\expandafter\dodefunx#1}%
+ \def#2{\dodefunx#1}%
+ \def#3%
}
-% Untyped functions (@deffn, @defop):
+%%% Untyped functions:
-\makedefun{deffn} % category name args
-\def\deffnheader{\deffngeneral{}}
+% @deffn category name args
+\makedefun{deffn}{\deffngeneral{}}
-\makedefun{defop} % category class name args
-\def\defopheader#1 {\defopon{#1\ \putwordon}}
+% @deffn category class name args
+\makedefun{defop}#1 {\defopon{#1\ \putwordon}}
% \defopon {category on}class name args
\def\defopon#1#2 {\deffngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} }
% \deffngeneral {subind}category name args
%
\def\deffngeneral#1#2 #3 #4\endheader{%
- % Remember that \dosubin{fn}{xxx}{} is equivalent to \doind{fn}{xxx}.
+ % Remember that \dosubind{fn}{foo}{} is equivalent to \doind{fn}{foo}.
\dosubind{fn}{\code{#3}}{#1}%
- \defname{#2}{}{#3}\ampdefunargs{#4\unskip}%
+ \defname{#2}{}{#3}\magicamp\defunargs{#4\unskip}%
}
-% Typed functions (@deftypefn, @deftypeop):
+%%% Typed functions:
-\makedefun{deftypefn} % category type name args
-\def\deftypefnheader{\deftypefngeneral{}}
+% @deftypefn category type name args
+\makedefun{deftypefn}{\deftypefngeneral{}}
-\makedefun{deftypeop} % category class type name args
-\def\deftypeopheader#1 {\deftypeopon{#1\ \putwordon}}
+% @deftypeop category class type name args
+\makedefun{deftypeop}#1 {\deftypeopon{#1\ \putwordon}}
% \deftypeopon {category on}class type name args
\def\deftypeopon#1#2 {\deftypefngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} }
%
\def\deftypefngeneral#1#2 #3 #4 #5\endheader{%
\dosubind{fn}{\code{#4}}{#1}%
- \defname{#2}{#3}{#4}\normaldefunargs{#5\unskip}%
+ \defname{#2}{#3}{#4}\defunargs{#5\unskip}%
}
-% Typed variables (@deftypevr, @deftypecv):
+%%% Typed variables:
-\makedefun{deftypevr}% category type var args
-\def\deftypevrheader{\deftypecvgeneral{}}
+% @deftypevr category type var args
+\makedefun{deftypevr}{\deftypecvgeneral{}}
-\makedefun{deftypecv}% category class type var args
-\def\deftypecvheader#1 {\deftypecvof{#1\ \putwordof}}
+% @deftypecv category class type var args
+\makedefun{deftypecv}#1 {\deftypecvof{#1\ \putwordof}}
% \deftypecvof {category of}class type var args
\def\deftypecvof#1#2 {\deftypecvgeneral{\putwordof\ \code{#2}}{#1\ \code{#2}} }
%
\def\deftypecvgeneral#1#2 #3 #4 #5\endheader{%
\dosubind{vr}{\code{#4}}{#1}%
- \defname{#2}{#3}{#4}\normaldefunargs{#5\unskip}%
+ \defname{#2}{#3}{#4}\defunargs{#5\unskip}%
}
-% Untyped variables (@defvr, @defcv):
-\makedefun{defvr}% category var args
-\def\defvrheader#1 {\deftypevrheader{#1} {} }
+%%% Untyped variables:
-\makedefun{defcv}% category class var args
-\def\defcvheader#1 {\defcvof{#1\ \putwordof}}
+% @defvr category var args
+\makedefun{defvr}#1 {\deftypevrheader{#1} {} }
+
+% @defcv category class var args
+\makedefun{defcv}#1 {\defcvof{#1\ \putwordof}}
% \defcvof {category of}class var args
\def\defcvof#1#2 {\deftypecvof{#1}#2 {} }
-% Type (@deftp):
-\makedefun{deftp}% category name args
-\def\deftpheader#1 #2 #3\endheader{%
+%%% Type:
+% @deftp category name args
+\makedefun{deftp}#1 #2 #3\endheader{%
\doind{tp}{\code{#2}}%
- \defname{#1}{}{#2}\normaldefunargs{#3\unskip}%
+ \defname{#1}{}{#2}\defunargs{#3\unskip}%
}
% Remaining @defun-like shortcuts:
-\makedefun{defun} \def\defunheader{\deffnheader{\putwordDeffunc} }
-\makedefun{defmac} \def\defmacheader{\deffnheader{\putwordDefmac} }
-\makedefun{defspec} \def\defspecheader{\deffnheader{\putwordDefspec} }
-\makedefun{deftypefun}\def\deftypefunheader{\deftypefnheader{\putwordDeffunc} }
-\makedefun{defvar} \def\defvarheader{\defvrheader{\putwordDefvar} }
-\makedefun{defopt} \def\defoptheader{\defvrheader{\putwordDefopt} }
-\makedefun{deftypevar}\def\deftypevarheader{\deftypevrheader{\putwordDefvar} }
-\makedefun{defmethod} \def\defmethodheader{\defopon\putwordMethodon}
-\makedefun{deftypemethod}\def\deftypemethodheader{\deftypeopon\putwordMethodon}
-\makedefun{defivar} \def\defivarheader{\defcvof\putwordInstanceVariableof}
-\makedefun{deftypeivar}\def\deftypeivarheader{\deftypecvof\putwordInstanceVariableof}
+\makedefun{defun}{\deffnheader{\putwordDeffunc} }
+\makedefun{defmac}{\deffnheader{\putwordDefmac} }
+\makedefun{defspec}{\deffnheader{\putwordDefspec} }
+\makedefun{deftypefun}{\deftypefnheader{\putwordDeffunc} }
+\makedefun{defvar}{\defvrheader{\putwordDefvar} }
+\makedefun{defopt}{\defvrheader{\putwordDefopt} }
+\makedefun{deftypevar}{\deftypevrheader{\putwordDefvar} }
+\makedefun{defmethod}{\defopon\putwordMethodon}
+\makedefun{deftypemethod}{\deftypeopon\putwordMethodon}
+\makedefun{defivar}{\defcvof\putwordInstanceVariableof}
+\makedefun{deftypeivar}{\deftypecvof\putwordInstanceVariableof}
% \defname, which formats the name of the @def (not the args).
% #1 is the category, such as "Function".
% arguments will be output next, if any.
}
-% This expands the args, with & being treated magically.
-%
-\def\ampdefunargs{%
- \magicamp
- \normaldefunargs
-}
-
-% Print arguments in slanted typewriter, prevent hyphenation at `-' chars.
+% Print arguments in slanted roman (not ttsl), inconsistently with using
+% tt for the name. This is because literal text is sometimes needed in
+% the argument list (groff manual), and ttsl and tt are not very
+% distinguishable. Prevent hyphenation at `-' chars.
%
-\def\normaldefunargs#1{%
- % use sl by default (not ttsl), inconsistently with using tt for the
- % name. This is because literal text is sometimes needed in the
- % argument list (groff manual), and ttsl and tt are not very
- % distinguishable.
+\def\defunargs#1{%
+ % use sl by default (not ttsl),
% tt for the names.
\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
% 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
- \newwrite\macscribble
- \def\scanmacro#1{%
- \begingroup \newlinechar`\^^M
- % Undo catcode changes of \startcontents and \doprintindex
- \catcode`\@=0 \catcode`\\=\other \escapechar=`\@
- % Append \endinput to make sure that TeX does not see the ending newline.
- \toks0={#1\endinput}%
- \immediate\openout\macscribble=\jobname.tmp
- \immediate\write\macscribble{\the\toks0}%
- \immediate\closeout\macscribble
- \let\xeatspaces\eatspaces
- \input \jobname.tmp
- \endgroup
-}
-\else
-\def\scanmacro#1{%
-\begingroup \newlinechar`\^^M
-% Undo catcode changes of \startcontents and \doprintindex
-\catcode`\@=0 \catcode`\\=\other \escapechar=`\@
-\let\xeatspaces\eatspaces\scantokens{#1\endinput}\endgroup}
+ \newwrite\macscribble
+ \def\scantokens#1{%
+ \toks0={#1\endinput}%
+ \immediate\openout\macscribble=\jobname.tmp
+ \immediate\write\macscribble{\the\toks0}%
+ \immediate\closeout\macscribble
+ \input \jobname.tmp
+ }
\fi
+\def\scanmacro#1{%
+ \begingroup
+ \newlinechar`\^^M
+ \let\xeatspaces\eatspaces
+ % Undo catcode changes of \startcontents and \doprintindex
+ \catcode`\@=0 \catcode`\\=\other \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
+}
+
\newcount\paramno % Count of parameters
\newtoks\macname % Macro name
\newif\ifrecursive % Is it recursive?
% \do\macro1\do\macro2...
% Utility routines.
-% Thisdoes \let #1 = #2, except with \csnames.
+% This does \let #1 = #2, except with \csnames.
\def\cslet#1#2{%
\expandafter\expandafter
\expandafter\let
\else \expandafter\parsemacbody
\fi}
-\defparsearg\unmacro{%
+\parseargdef\unmacro{%
\if1\csname ismacro.#1\endcsname
\global\cslet{#1}{macsave.#1}%
\global\expandafter\let \csname ismacro.#1\endcsname=0%
% @node's only job in TeX is to define \lastnode, which is used in
% cross-references.
-\defparsearg\node{\ENVcheck\nodexxx #1,\finishnodeparse}
+\parseargdef\node{\checkenv{}\nodexxx #1,\finishnodeparse}
\def\nodexxx#1,#2\finishnodeparse{\gdef\lastnode{#1}}
\let\nwnode=\node
\let\lastnode=\empty
%
\newcount\savesfregister
%
-\gdef\savesf{\relax \ifhmode \savesfregister=\spacefactor \fi}
-\gdef\restoresf{\relax \ifhmode \spacefactor=\savesfregister \fi}
-\gdef\anchor#1{%
- \savesf
- \setref{#1}{Ynothing}%
- \restoresf
- \ignorespaces
-}
+\def\savesf{\relax \ifhmode \savesfregister=\spacefactor \fi}
+\def\restoresf{\relax \ifhmode \spacefactor=\savesfregister \fi}
+\def\anchor#1{\savesf \setref{#1}{Ynothing}\restoresf \ignorespaces}
% \setref{NAME}{SNT} defines a cross-reference point NAME (a node or an
% anchor), which consists of three parts:
-% 1) NAME-title - the current sectioning name, taken from \thissection;
-% 2) NAME-snt - section number and type, defined as the SNT arg;
+% 1) NAME-title - the current sectioning name taken from \thissection,
+% or the anchor name.
+% 2) NAME-snt - section number and type, passed as the SNT arg, or
+% empty for anchors.
% 3) NAME-pg - the page number.
-% This is called from \donoderef, \anchor, and \dofloat.
%
-% We take care not to fully expand the title, since it may contain
-% arbitrary macros.
-%
-% Use \turnoffactive so that punctuation chars such as underscore
-% and backslash work in node names.
-%
+% This is called from \donoderef, \anchor, and \dofloat. In the case of
+% floats, there is an additional part, which is not written here:
+% 4) NAME-lof - the text as it should appear in a @listoffloats.
+%
\def\setref#1#2{%
\pdfmkdest{#1}%
\iflinks
{%
+ \atdummies % preserve commands, but don't expand them
\turnoffactive
+ \otherbackslash
\edef\writexrdef##1##2{%
- \write\auxfile{@xrdef{#1-% #1 of \setref, expanded by the \edef
- ##1}{##2}}% these are parameters of \writexrdef
+ \write\auxfile{@xrdef{#1-% #1 of \setref, expanded by the \edef
+ ##1}{##2}}% these are parameters of \writexrdef
}%
\toks0 = \expandafter{\thissection}%
\immediate \writexrdef{title}{\the\toks0 }%
\fi
%
% Make link in pdf output.
- %
\ifpdf
\leavevmode
\getfilename{#4}%
% Float references are printed completely differently: "Figure 1.2"
% instead of "[somenode], p.3". We distinguish them by the
% LABEL-title being set to a magic string.
- \expandafter\ifx \csname X#1-title\endcsname \floatmagic
+ {%
+ % Have to otherify everything special to allow the \csname to
+ % include an _ in the xref name, etc.
+ \indexnofonts
+ \turnoffactive
+ \otherbackslash
+ \expandafter\global\expandafter\let\expandafter\Xthisreftitle
+ \csname XR#1-title\endcsname
+ }%
+ \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
\space \putwordin{} \cite{\printedmanual}%
\fi
\else
- %
- % 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
- % _ (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
- % printing. So we \turnoffactive for the \refx-snt, back on for the
- % printing, back off for the \refx-pg.
- {\turnoffactive \otherbackslash
- % Only output a following space if the -snt ref is nonempty; for
- % @unnumbered and @anchor, it won't be.
- \setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}%
- \ifdim \wd2 > 0pt \refx{#1-snt}\space\fi
- }%
- % output the `[mynode]' via a macro.
- \xrefprintnodename\printedrefname
- %
- % But we always want a comma and a space:
- ,\space
- %
- % output the `page 3'.
- \turnoffactive \otherbackslash \putwordpage\tie\refx{#1-pg}{}%
+ % node/anchor (non-float) references.
+ %
+ % 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
+ % _ (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
+ % printing. So we \turnoffactive for the \refx-snt, back on for the
+ % printing, back off for the \refx-pg.
+ {\turnoffactive \otherbackslash
+ % Only output a following space if the -snt ref is nonempty; for
+ % @unnumbered and @anchor, it won't be.
+ \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.
+ \xrefprintnodename\printedrefname
+ %
+ % But we always want a comma and a space:
+ ,\space
+ %
+ % output the `page 3'.
+ \turnoffactive \otherbackslash \putwordpage\tie\refx{#1-pg}{}%
+ \fi
\fi
\endlink
- \fi
\endgroup}
% This macro is called from \xrefX for the `[nodename]' part of xref
\indexnofonts
\otherbackslash
\expandafter\global\expandafter\let\expandafter\thisrefX
- \csname X#1\endcsname
+ \csname XR#1\endcsname
}%
\ifx\thisrefX\relax
% If not defined, say something at least.
#2% Output the suffix in any case.
}
-% This is the macro invoked by entries in the aux file.
+% This is the macro invoked by entries in the aux file. Usually it's
+% just a \def (we prepend XR to the control sequence name to avoid
+% collisions). But if this is a float type, we have more work to do.
%
-\def\xrdef#1{\expandafter\gdef\csname X#1\endcsname}
+\def\xrdef#1#2{%
+ \expandafter\gdef\csname XR#1\endcsname{#2}% remember this xref value.
+ %
+ % Was that xref control sequence that we just defined for a float?
+ \expandafter\iffloat\csname XR#1\endcsname
+ % it was a float, and we have the (safe) float type in \iffloattype.
+ \expandafter\let\expandafter\floatlist
+ \csname floatlist\iffloattype\endcsname
+ %
+ % Is this the first time we've seen this float type?
+ \expandafter\ifx\floatlist\relax
+ \toks0 = {\do}% yes, so just \do
+ \else
+ % had it before, so preserve previous elements in list.
+ \toks0 = \expandafter{\floatlist\do}%
+ \fi
+ %
+ % Remember this xref in the control sequence \floatlistFLOATTYPE,
+ % for later use in \listoffloats.
+ \expandafter\xdef\csname floatlist\iffloattype\endcsname{\the\toks0{#1}}%
+ \fi
+}
% Read the last existing aux file, if any. No error if none exists.
-% Open the new one.
%
+\def\tryauxfile{%
+ \openin 1 \jobname.aux
+ \ifeof 1 \else
+ \readauxfile
+ \global\havexrefstrue
+ \fi
+ \closein 1
+}
+
\def\readauxfile{\begingroup
\catcode`\^^@=\other
\catcode`\^^A=\other
\catcode`\%=\other
\catcode`+=\other % avoid \+ for paranoia even though we've turned it off
%
- % Make the characters 128-255 be printing characters
+ % This is to support \ in node names and titles, since the \
+ % characters end up in a \csname. It's easier than
+ % leaving it active and making its active definition an actual \
+ % character. What I don't understand is why it works in the *value*
+ % of the xrdef. Seems like it should be a catcode12 \, and that
+ % should not typeset properly. But it works, so I'm moving on for
+ % now. --karl, 15jan04.
+ \catcode`\\=\other
+ %
+ % Make the characters 128-255 be printing characters.
{%
\count 1=128
\def\loop{%
}%
}%
%
- % Turn off \ as an escape so we do not lose on
- % entries which were dumped with control sequences in their names.
- % For example, @xrdef{$\leq $-fun}{page ...} made by @defun ^^
- % Reference to such entries still does not work the way one would wish,
- % but at least they do not bomb out when the aux file is read in.
- \catcode`\\=\other
- %
- % @ is our escape character in .aux files.
+ % @ is our escape character in .aux files, and we need braces.
\catcode`\{=1
\catcode`\}=2
\catcode`\@=0
%
- \openin 1 \jobname.aux
- \ifeof 1 \else
- \closein 1
- \input \jobname.aux
- \global\havexrefstrue
- \fi
- % Open the new aux file right away (otherwise the \immediate's in
- % \setref cause spurious terminal output). TeX will close it
- % automatically at exit.
- \immediate\openout\auxfile=\jobname.aux
+ \input \jobname.aux
\endgroup}
\fi
}
-% This \insert replacements works for both \insert\footins{xx} and
-% \insert\footins\bgroup xx\egroup, but it doesn't work for \insert27{xx}.
+% This \insert replacement works for both \insert\footins{foo} and
+% \insert\footins\bgroup foo\egroup, but it doesn't work for \insert27{foo}.
%
\def\saveinsert#1{%
\edef\next{\noexpand\savetobox \makeSAVEname#1}%
\next
}
\def\newsaveinsX #1{%
- \csname newbox\endcsname #1% \newbox cannot be pronounced, as it is outer
+ \csname newbox\endcsname #1%
\expandafter\def\expandafter\checkinserts\expandafter{\checkinserts
- \checksaveins#1}%
+ \checksaveins #1}%
}
% initialize:
% undone and the next image would fail.
\openin 1 = epsf.tex
\ifeof 1 \else
- \closein 1
% Do not bother showing banner with epsf.tex v2.7k (available in
% doc/epsf.tex and on ctan).
\def\epsfannounce{\toks0 = }%
\input epsf.tex
\fi
+\closein 1
%
% We will only complain once about lack of epsf.tex.
\newif\ifwarnednoepsf
% We don't actually implement floating yet, we just plop the float "here".
% But it seemed the best name for the future.
%
-\def\float{\parsearg\parsefloat}
-\def\parsefloat#1{\dofloat #1,,,\finish}
+\envparseargdef\float{\dofloat #1,,,\finish}
% #1 is the optional FLOATTYPE, the text label for this float, typically
% "Figure", "Table", "Example", etc. Can't contain commas. If omitted,
% chapter-level command.
\let\resetallfloatnos=\empty
%
-\def\dofloat#1,#2,#3,#4\finish{\vtop\bgroup
- \def\floattype{#1}%
- \def\floatlabel{#2}%
- \def\floatloc{#3}% we do nothing with this yet.
- % xx should we indent the whole thing? center it?
- %
- % allow @[short]caption now.
+\def\dofloat#1,#2,#3,#4\finish{%
\let\thiscaption=\empty
- \def\caption##1{\def\thiscaption{##1}}%
- %
\let\thisshortcaption=\empty
- \def\shortcaption##1{\def\thisshortcaption{##1}}%
- %
- \ifx\floattype\empty \else
- % For now, assume the FLOATTYPE is entirely letters, so we just use it
- % in a control sequence name literally. We want each FLOATTYPE to be
- % numbered separately (Figure 1, Table 1, Figure 2, ...).
- \expandafter\let\expandafter\floatno\csname\floattype floatno\endcsname
- \ifx\floatno\relax
- % Haven't seen this figure type before, so need to define
- % the counter for it, and then redefine \floatno.
- \expandafter\innernewcount\csname\floattype floatno\endcsname
- \expandafter\let\expandafter\floatno\csname\floattype floatno\endcsname
- %
- % Remember to reset this floatno at the next chap.
- \toks0 = \expandafter{\resetallfloatnos}%
- \xdef\resetallfloatnos{\the\toks0 \makecsname{\floattype floatno}=0 }%
+ %
+ % don't lose footnotes inside @float.
+ \startsavinginserts
+ %
+ % We can't be used inside a paragraph.
+ \par
+ %
+ \vtop\bgroup
+ \def\floattype{#1}%
+ \def\floatlabel{#2}%
+ \def\floatloc{#3}% we do nothing with this yet.
+ %
+ \ifx\floattype\empty
+ \let\safefloattype=\empty
+ \else
+ {%
+ % the floattype might have accents or other special characters,
+ % but we need to use it in a control sequence name.
+ \indexnofonts
+ \turnoffactive
+ \xdef\safefloattype{\floattype}%
+ }%
\fi
- \global\advance\floatno by 1
%
+ % If label is given but no type, we handle that as the empty type.
\ifx\floatlabel\empty \else
+ % We want each FLOATTYPE to be numbered separately (Figure 1,
+ % Table 1, Figure 2, ...). (And if no label, no number.)
+ %
+ \expandafter\getfloatno\csname\safefloattype floatno\endcsname
+ \global\advance\floatno by 1
+ %
{%
% This magic value for \thissection is output by \setref as the
% XREFLABEL-title value. \xrefX uses it to distinguish float
% labels (which have a completely different output format) from
- % nodes and xref labels.
+ % node and anchor labels. And \xrdef uses it to construct the
+ % lists of floats.
%
- \let\thissection=\floatmagic
+ \edef\thissection{\floatmagic=\safefloattype}%
\setref{\floatlabel}{Yfloat}%
}%
\fi
- \fi
- %
- \def\Efloat{%
- % we have four possibilities:
- % @float Foo & @caption{Cap}: Foo 1.1: Cap
- % @float Foo & no caption: Foo 1.1
- % @float & @caption{cap}: Cap
- % @float & no caption:
%
- \let\printedsomething = \empty
+ % start with \parskip glue, I guess.
+ \vskip\parskip
%
- \ifx\floattype\empty \else
- \vskip.5\parskip % space above caption
- %
- % Print the float number preceded by the chapter-level number
- % (empty in the case of unnumbered). Although there are other
- % styles of float numbering, we hardwire this one.
- \floattype\space\chaplevelprefix\the\floatno
- \let\printedsomething = t%
+ % Don't suppress indentation if a float happens to start a section.
+ \restorefirstparagraphindent
+}
+
+% we have these possibilities:
+% @float Foo,lbl & @caption{Cap}: Foo 1.1: Cap
+% @float Foo,lbl & no caption: Foo 1.1
+% @float Foo & @caption{Cap}: Foo: Cap
+% @float Foo & no caption: Foo
+% @float ,lbl & Caption{Cap}: 1.1: Cap
+% @float ,lbl & no caption: 1.1
+% @float & @caption{Cap}: Cap
+% @float & no caption:
+%
+\def\Efloat{%
+ \let\floatident = \empty
+ %
+ % In all cases, if we have a float type, it comes first.
+ \ifx\floattype\empty \else \def\floatident{\floattype}\fi
+ %
+ % If we have an xref label, the number comes next.
+ \ifx\floatlabel\empty \else
+ \ifx\floattype\empty \else % if also had float type, need tie first.
+ \appendtomacro\floatident{\tie}%
+ \fi
+ % the number.
+ \appendtomacro\floatident{\chaplevelprefix\the\floatno}%
\fi
%
+ % Start the printed caption with what we've constructed in
+ % \floatident, but keep it separate; we need \floatident again.
+ \let\captionline = \floatident
+ %
\ifx\thiscaption\empty \else
- \ifx\printedsomething\empty
- \vskip.5\parskip % space above caption
- \else
- :\space % had a number, so print a colon.
+ \ifx\floatident\empty \else
+ \appendtomacro\captionline{: }% had ident, so need a colon between
\fi
%
- % Print caption text.
- \thiscaption
- \let\printedsomething = t%
+ % caption text.
+ \appendtomacro\captionline\thiscaption
+ \fi
+ %
+ % If we have anything to print, print it, with space before.
+ % Eventually this needs to become an \insert.
+ \ifx\captionline\empty \else
+ \vskip.5\parskip
+ \captionline
+ \fi
+ %
+ % If have an xref label, write the list of floats info. Do this
+ % after the caption, to avoid chance of it being a breakpoint.
+ \ifx\floatlabel\empty \else
+ % Write the text that goes in the lof to the aux file as
+ % \floatlabel-lof. Besides \floatident, we include the short
+ % caption if specified, else the full caption if specified, else nothing.
+ {%
+ \atdummies \turnoffactive \otherbackslash
+ \immediate\write\auxfile{@xrdef{\floatlabel-lof}{%
+ \floatident
+ \ifx\thisshortcaption\empty
+ \ifx\thiscaption\empty \else : \thiscaption \fi
+ \else
+ : \thisshortcaption
+ \fi
+ }}%
+ }%
\fi
%
% Space below caption, if we printed anything.
\ifx\printedsomething\empty \else \vskip\parskip \fi
- %
- \egroup % end of \vtop
- }%
+ \egroup % end of \vtop
+ \checkinserts
+}
+
+% Append the tokens #2 to the definition of macro #1, not expanding either.
+%
+\newtoks\appendtomacroAtoks
+\newtoks\appendtomacroBtoks
+\def\appendtomacro#1#2{%
+ \appendtomacroAtoks = \expandafter{#1}%
+ \appendtomacroBtoks = {#2}%
+ \edef#1{\the\appendtomacroAtoks \the\appendtomacroBtoks}%
+}
+
+% @caption, @shortcaption are easy.
+%
+\long\def\caption#1{\checkenv\float \def\thiscaption{#1}}
+\def\shortcaption#1{\checkenv\float \def\thisshortcaption{#1}}
+
+% The parameter is the control sequence identifying the counter we are
+% going to use. Create it if it doesn't exist and assign it to \floatno.
+\def\getfloatno#1{%
+ \ifx#1\relax
+ % Haven't seen this figure type before.
+ \csname newcount\endcsname #1%
+ %
+ % Remember to reset this floatno at the next chap.
+ \expandafter\gdef\expandafter\resetallfloatnos
+ \expandafter{\resetallfloatnos #1=0 }%
+ \fi
+ \let\floatno#1%
}
% \setref calls this to get the XREFLABEL-snt value. We want an @xref
% to the FLOATLABEL to expand to "Figure 3.1". We call \setref when we
% first read the @float command.
%
-\def\Yfloat{\floattype @tie{}\chaplevelprefix\the\floatno}%
+\def\Yfloat{\floattype@tie \chaplevelprefix\the\floatno}%
+% Magic string used for the XREFLABEL-title value, so \xrefX can
+% distinguish floats from other xref types.
\def\floatmagic{!!float!!}
-% @listoffloats FLOATTYPE - print a list of floats like a table of contents.
-\def\listoffloats{\parsearg\dolistoffloats}
-\def\dolistoffloats#1{%xx
+% #1 is the control sequence we are passed; we expand into a conditional
+% which is true if #1 represents a float ref. That is, the magic
+% \thissection value which we \setref above.
+%
+\def\iffloat#1{\expandafter\doiffloat#1==\finish}
+%
+% #1 is (maybe) the \floatmagic string. If so, #2 will be the
+% (safe) float type for this float. We set \iffloattype to #2.
+%
+\def\doiffloat#1=#2=#3\finish{%
+ \def\temp{#1}%
+ \def\iffloattype{#2}%
+ \ifx\temp\floatmagic
}
-% Default definitions.
-\def\caption{\errmessage{@caption while not in @float environment}}
-\def\shortcaption{\errmessage{@shortcaption while not in @float environment}}
+% @listoffloats FLOATTYPE - print a list of floats like a table of contents.
+%
+\parseargdef\listoffloats{%
+ \def\floattype{#1}% floattype
+ {%
+ % the floattype might have accents or other special characters,
+ % but we need to use it in a control sequence name.
+ \indexnofonts
+ \turnoffactive
+ \xdef\safefloattype{\floattype}%
+ }%
+ %
+ % \xrdef saves the floats as a \do-list in \floatlistSAFEFLOATTYPE.
+ \expandafter\ifx\csname floatlist\safefloattype\endcsname \relax
+ \ifhavexrefs
+ % if the user said @listoffloats foo but never @float foo.
+ \message{\linenumber No `\safefloattype' floats to list.}%
+ \fi
+ \else
+ \begingroup
+ \leftskip=\tocindent % indent these entries like a toc
+ \let\do=\listoffloatsdo
+ \csname floatlist\safefloattype\endcsname
+ \endgroup
+ \fi
+}
+% This is called on each entry in a list of floats. We're passed the
+% xref label, in the form LABEL-title, which is how we save it in the
+% aux file. We strip off the -title and look up \XRLABEL-lof, which
+% has the text we're supposed to typeset here.
+%
+% Figures without xref labels will not be included in the list (since
+% they won't appear in the aux file).
+%
+\def\listoffloatsdo#1{\listoffloatsdoentry#1\finish}
+\def\listoffloatsdoentry#1-title\finish{{%
+ % Can't fully expand XR#1-lof because it can contain anything. Just
+ % pass the control sequence. On the other hand, XR#1-pg is just the
+ % page number, and we want to fully expand that so we can get a link
+ % in pdf output.
+ \toksA = \expandafter{\csname XR#1-lof\endcsname}%
+ %
+ % use the same \entry macro we use to generate the TOC and index.
+ \edef\writeentry{\noexpand\entry{\the\toksA}{\csname XR#1-pg\endcsname}}%
+ \writeentry
+}}
\message{localization,}
% and i18n.
% properly. Single argument is the language abbreviation.
% It would be nice if we could set up a hyphenation file here.
%
-\defparsearg\documentlanguage{%
+\parseargdef\documentlanguage{%
\tex % read txi-??.tex file in plain TeX.
- % Read the file if it exists.
- \openin 1 txi-#1.tex
- \ifeof1
- \errhelp = \nolanghelp
- \errmessage{Cannot read language file txi-#1.tex}%
- \let\temp = \relax
- \else
- \def\temp{\input txi-#1.tex }%
- \fi
- \temp
+ % Read the file if it exists.
+ \openin 1 txi-#1.tex
+ \ifeof 1
+ \errhelp = \nolanghelp
+ \errmessage{Cannot read language file txi-#1.tex}%
+ \else
+ \input txi-#1.tex
+ \fi
+ \closein 1
\endgroup
}
\newhelp\nolanghelp{The given language definition file cannot be found or
% Perhaps we should allow setting the margins, \topskip, \parskip,
% and/or leading, also. Or perhaps we should compute them somehow.
%
-\defparsearg\pagesizes{\pagesizesyyy #1,,\finish}
+\parseargdef\pagesizes{\pagesizesyyy #1,,\finish}
\def\pagesizesyyy#1,#2,#3\finish{{%
\setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \hsize=#2\relax \fi
\globaldefs = 1
\def\normalplus{+}
\def\normaldollar{$}%$ font-lock fix
-% This macro is used to make a character print one way in ttfont
-% where it can probably just be output, and another way in other fonts,
+% 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,
% where something hairier probably needs to be done.
%
% #1 is what to print if we are indeed using \tt; #2 is what to print
\catcode`\@=0
-% \rawbackslashxx outputs one backslash character in current font,
+% \backslashcurfont outputs one backslash character in current font,
% as in \char`\\.
-\global\chardef\rawbackslashxx=`\\
+\global\chardef\backslashcurfont=`\\
+\global\let\rawbackslashxx=\backslashcurfont % let existing .??s files work
-% \rawbackslash defines an active \ to do \rawbackslashxx.
+% \rawbackslash defines an active \ to do \backslashcurfont.
% \otherbackslash defines an active \ to be a literal `\' character with
% catcode other.
{\catcode`\\=\active
- @gdef@rawbackslash{@let\=@rawbackslashxx}
+ @gdef@rawbackslash{@let\=@backslashcurfont}
@gdef@otherbackslash{@let\=@realbackslash}
}
{\catcode`\\=\other @gdef@realbackslash{\}}
% \normalbackslash outputs one backslash in fixed width font.
-\def\normalbackslash{{\tt\rawbackslashxx}}
+\def\normalbackslash{{\tt\backslashcurfont}}
\catcode`\\=\active
@catcode`@# = @other
@catcode`@% = @other
-@c Set initial fonts.
-@textfonts
-@rm
-
@c Local variables:
@c eval: (add-hook 'write-file-hooks 'time-stamp)