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5432 lines
177 KiB
TeX
5432 lines
177 KiB
TeX
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% texinfo.tex -- TeX macros to handle Texinfo files.
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% $Id$
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%
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% Copyright (C) 1985, 86, 88, 90, 91, 92, 93, 94, 95, 96, 97, 98
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% Free Software Foundation, Inc.
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%
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% This texinfo.tex file is free software; you can redistribute it and/or
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% modify it under the terms of the GNU General Public License as
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% published by the Free Software Foundation; either version 2, or (at
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% your option) any later version.
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%
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% This texinfo.tex file is distributed in the hope that it will be
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% useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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% of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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% General Public License for more details.
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%
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% You should have received a copy of the GNU General Public License
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% along with this texinfo.tex file; see the file COPYING. If not, write
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% to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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% Boston, MA 02111-1307, USA.
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%
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% In other words, you are welcome to use, share and improve this program.
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% You are forbidden to forbid anyone else to use, share and improve
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% what you give them. Help stamp out software-hoarding!
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%
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% Please try the latest version of texinfo.tex before submitting bug
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% reports; you can get the latest version from:
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% ftp://ftp.gnu.org/pub/gnu/texinfo.tex
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% /home/gd/gnu/doc/texinfo.tex on the GNU machines.
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% (and all GNU mirrors, see http://www.gnu.org/order/ftp.html)
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% ftp://tug.org/tex/texinfo.tex
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% ftp://ctan.org/macros/texinfo/texinfo.tex
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% (and all CTAN mirrors, finger ctan@ctan.org for a list).
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% The texinfo.tex in the texinfo distribution itself could well be out
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% of date, so if that's what you're using, please check.
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%
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% Send bug reports to bug-texinfo@gnu.org.
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% Please include a precise test case in each bug report,
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% including a complete document with which we can reproduce the problem.
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%
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% To process a Texinfo manual with TeX, it's most reliable to use the
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% texi2dvi shell script that comes with the distribution. For simple
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% manuals, however, you can get away with:
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% tex foo.texi
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% texindex foo.??
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% tex foo.texi
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% tex foo.texi
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% dvips foo.dvi -o # or whatever, to process the dvi file.
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% The extra runs of TeX get the cross-reference information correct.
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% Sometimes one run after texindex suffices, and sometimes you need more
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% than two; texi2dvi does it as many times as necessary.
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% Make it possible to create a .fmt file just by loading this file:
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% if the underlying format is not loaded, start by loading it now.
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% Added by gildea November 1993.
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\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
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% This automatically updates the version number based on RCS.
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\def\deftexinfoversion$#1: #2 ${\def\texinfoversion{#2}}
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\deftexinfoversion$Revision$
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\message{Loading texinfo package [Version \texinfoversion]:}
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% If in a .fmt file, print the version number
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% and turn on active characters that we couldn't do earlier because
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% they might have appeared in the input file name.
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\everyjob{\message{[Texinfo version \texinfoversion]}\message{}
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\catcode`+=\active \catcode`\_=\active}
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% Save some parts of plain tex whose names we will redefine.
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\let\ptexb=\b
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\let\ptexbullet=\bullet
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\let\ptexc=\c
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\let\ptexcomma=\,
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\let\ptexdot=\.
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\let\ptexdots=\dots
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\let\ptexend=\end
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\let\ptexequiv=\equiv
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\let\ptexexclam=\!
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\let\ptexi=\i
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\let\ptexlbrace=\{
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\let\ptexrbrace=\}
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\let\ptexstar=\*
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\let\ptext=\t
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% We never want plain's outer \+ definition in Texinfo.
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% For @tex, we can use \tabalign.
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\let\+ = \relax
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\message{Basics,}
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\chardef\other=12
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% If this character appears in an error message or help string, it
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% starts a new line in the output.
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\newlinechar = `^^J
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% Set up fixed words for English if not already set.
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\ifx\putwordAppendix\undefined \gdef\putwordAppendix{Appendix}\fi
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\ifx\putwordChapter\undefined \gdef\putwordChapter{Chapter}\fi
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\ifx\putwordfile\undefined \gdef\putwordfile{file}\fi
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\ifx\putwordInfo\undefined \gdef\putwordInfo{Info}\fi
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\ifx\putwordMethodon\undefined \gdef\putwordMethodon{Method on}\fi
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\ifx\putwordon\undefined \gdef\putwordon{on}\fi
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\ifx\putwordpage\undefined \gdef\putwordpage{page}\fi
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\ifx\putwordsection\undefined \gdef\putwordsection{section}\fi
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\ifx\putwordSection\undefined \gdef\putwordSection{Section}\fi
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\ifx\putwordsee\undefined \gdef\putwordsee{see}\fi
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\ifx\putwordSee\undefined \gdef\putwordSee{See}\fi
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\ifx\putwordShortContents\undefined \gdef\putwordShortContents{Short Contents}\fi
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\ifx\putwordTableofContents\undefined\gdef\putwordTableofContents{Table of Contents}\fi
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% Ignore a token.
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%
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\def\gobble#1{}
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\hyphenation{ap-pen-dix}
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\hyphenation{mini-buf-fer mini-buf-fers}
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\hyphenation{eshell}
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\hyphenation{white-space}
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% Margin to add to right of even pages, to left of odd pages.
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\newdimen \bindingoffset
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\newdimen \normaloffset
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\newdimen\pagewidth \newdimen\pageheight
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% Sometimes it is convenient to have everything in the transcript file
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% and nothing on the terminal. We don't just call \tracingall here,
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% since that produces some useless output on the terminal.
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%
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\def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}%
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\ifx\eTeXversion\undefined
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\def\loggingall{\tracingcommands2 \tracingstats2
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\tracingpages1 \tracingoutput1 \tracinglostchars1
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\tracingmacros2 \tracingparagraphs1 \tracingrestores1
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\showboxbreadth\maxdimen\showboxdepth\maxdimen
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}%
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\else
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\def\loggingall{\tracingcommands3 \tracingstats2
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\tracingpages1 \tracingoutput1 \tracinglostchars1
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\tracingmacros2 \tracingparagraphs1 \tracingrestores1
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\tracingscantokens1 \tracingassigns1 \tracingifs1
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\tracinggroups1 \tracingnesting2
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\showboxbreadth\maxdimen\showboxdepth\maxdimen
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}%
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\fi
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% For @cropmarks command.
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% Do @cropmarks to get crop marks.
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%
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\newif\ifcropmarks
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\let\cropmarks = \cropmarkstrue
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%
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% Dimensions to add cropmarks at corners.
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% Added by P. A. MacKay, 12 Nov. 1986
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%
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\newdimen\outerhsize \newdimen\outervsize % set by the paper size routines
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\newdimen\cornerlong \cornerlong=1pc
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\newdimen\cornerthick \cornerthick=.3pt
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\newdimen\topandbottommargin \topandbottommargin=.75in
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% Main output routine.
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\chardef\PAGE = 255
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\output = {\onepageout{\pagecontents\PAGE}}
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\newbox\headlinebox
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\newbox\footlinebox
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% \onepageout takes a vbox as an argument. Note that \pagecontents
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% does insertions, but you have to call it yourself.
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\def\onepageout#1{%
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\ifcropmarks \hoffset=0pt \else \hoffset=\normaloffset \fi
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%
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\ifodd\pageno \advance\hoffset by \bindingoffset
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\else \advance\hoffset by -\bindingoffset\fi
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%
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% Do this outside of the \shipout so @code etc. will be expanded in
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% the headline as they should be, not taken literally (outputting ''code).
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\setbox\headlinebox = \vbox{\let\hsize=\pagewidth \makeheadline}%
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\setbox\footlinebox = \vbox{\let\hsize=\pagewidth \makefootline}%
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%
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{%
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% Have to do this stuff outside the \shipout because we want it to
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% take effect in \write's, yet the group defined by the \vbox ends
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% before the \shipout runs.
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%
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\escapechar = `\\ % use backslash in output files.
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\indexdummies % don't expand commands in the output.
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\normalturnoffactive % \ in index entries must not stay \, e.g., if
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% the page break happens to be in the middle of an example.
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\shipout\vbox{%
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\ifcropmarks \vbox to \outervsize\bgroup
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\hsize = \outerhsize
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\line{\ewtop\hfil\ewtop}%
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\nointerlineskip
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\line{%
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\vbox{\moveleft\cornerthick\nstop}%
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\hfill
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\vbox{\moveright\cornerthick\nstop}%
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}%
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\vskip\topandbottommargin
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\line\bgroup
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\hfil % center the page within the outer (page) hsize.
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\ifodd\pageno\hskip\bindingoffset\fi
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\vbox\bgroup
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\fi
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%
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\unvbox\headlinebox
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\pagebody{#1}%
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\ifdim\ht\footlinebox > 0pt
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% Only leave this space if the footline is nonempty.
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% (We lessened \vsize for it in \oddfootingxxx.)
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% The \baselineskip=24pt in plain's \makefootline has no effect.
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\vskip 2\baselineskip
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\unvbox\footlinebox
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\fi
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%
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\ifcropmarks
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\egroup % end of \vbox\bgroup
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\hfil\egroup % end of (centering) \line\bgroup
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\vskip\topandbottommargin plus1fill minus1fill
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\boxmaxdepth = \cornerthick
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\line{%
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\vbox{\moveleft\cornerthick\nsbot}%
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\hfill
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\vbox{\moveright\cornerthick\nsbot}%
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}%
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\nointerlineskip
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\line{\ewbot\hfil\ewbot}%
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\egroup % \vbox from first cropmarks clause
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\fi
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}% end of \shipout\vbox
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}% end of group with \turnoffactive
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\advancepageno
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\ifnum\outputpenalty>-20000 \else\dosupereject\fi
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}
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\newinsert\margin \dimen\margin=\maxdimen
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\def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}}
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{\catcode`\@ =11
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\gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi
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% marginal hacks, juha@viisa.uucp (Juha Takala)
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\ifvoid\margin\else % marginal info is present
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\rlap{\kern\hsize\vbox to\z@{\kern1pt\box\margin \vss}}\fi
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\dimen@=\dp#1 \unvbox#1
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\ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi
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\ifr@ggedbottom \kern-\dimen@ \vfil \fi}
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}
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% Here are the rules for the cropmarks. Note that they are
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% offset so that the space between them is truly \outerhsize or \outervsize
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% (P. A. MacKay, 12 November, 1986)
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%
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\def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong}
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\def\nstop{\vbox
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{\hrule height\cornerthick depth\cornerlong width\cornerthick}}
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\def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong}
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\def\nsbot{\vbox
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{\hrule height\cornerlong depth\cornerthick width\cornerthick}}
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% Parse an argument, then pass it to #1. The argument is the rest of
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% the input line (except we remove a trailing comment). #1 should be a
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% macro which expects an ordinary undelimited TeX argument.
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%
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\def\parsearg#1{%
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\let\next = #1%
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\begingroup
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\obeylines
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\futurelet\temp\parseargx
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}
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% If the next token is an obeyed space (from an @example environment or
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% the like), remove it and recurse. Otherwise, we're done.
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\def\parseargx{%
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% \obeyedspace is defined far below, after the definition of \sepspaces.
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\ifx\obeyedspace\temp
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\expandafter\parseargdiscardspace
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\else
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\expandafter\parseargline
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\fi
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}
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% Remove a single space (as the delimiter token to the macro call).
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{\obeyspaces %
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\gdef\parseargdiscardspace {\futurelet\temp\parseargx}}
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{\obeylines %
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\gdef\parseargline#1^^M{%
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\endgroup % End of the group started in \parsearg.
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%
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% First remove any @c comment, then any @comment.
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% Result of each macro is put in \toks0.
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\argremovec #1\c\relax %
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\expandafter\argremovecomment \the\toks0 \comment\relax %
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%
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% Call the caller's macro, saved as \next in \parsearg.
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\expandafter\next\expandafter{\the\toks0}%
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}%
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}
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% Since all \c{,omment} does is throw away the argument, we can let TeX
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% do that for us. The \relax here is matched by the \relax in the call
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% in \parseargline; it could be more or less anything, its purpose is
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% just to delimit the argument to the \c.
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\def\argremovec#1\c#2\relax{\toks0 = {#1}}
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\def\argremovecomment#1\comment#2\relax{\toks0 = {#1}}
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% \argremovec{,omment} might leave us with trailing spaces, though; e.g.,
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% @end itemize @c foo
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% will have two active spaces as part of the argument with the
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% `itemize'. Here we remove all active spaces from #1, and assign the
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% result to \toks0.
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%
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% This loses if there are any *other* active characters besides spaces
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% in the argument -- _ ^ +, for example -- since they get expanded.
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% Fortunately, Texinfo does not define any such commands. (If it ever
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% does, the catcode of the characters in questionwill have to be changed
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% here.) But this means we cannot call \removeactivespaces as part of
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% \argremovec{,omment}, since @c uses \parsearg, and thus the argument
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% that \parsearg gets might well have any character at all in it.
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%
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\def\removeactivespaces#1{%
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\begingroup
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\ignoreactivespaces
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\edef\temp{#1}%
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\global\toks0 = \expandafter{\temp}%
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\endgroup
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}
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% Change the active space to expand to nothing.
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%
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\begingroup
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|
|
\obeyspaces
|
||
|
|
\gdef\ignoreactivespaces{\obeyspaces\let =\empty}
|
||
|
|
\endgroup
|
||
|
|
|
||
|
|
|
||
|
|
\def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next}
|
||
|
|
|
||
|
|
%% 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
|
||
|
|
|
||
|
|
% @begin foo is the same as @foo, for now.
|
||
|
|
\newhelp\EMsimple{Press RETURN to continue.}
|
||
|
|
|
||
|
|
\outer\def\begin{\parsearg\beginxxx}
|
||
|
|
|
||
|
|
\def\beginxxx #1{%
|
||
|
|
\expandafter\ifx\csname #1\endcsname\relax
|
||
|
|
{\errhelp=\EMsimple \errmessage{Undefined command @begin #1}}\else
|
||
|
|
\csname #1\endcsname\fi}
|
||
|
|
|
||
|
|
% @end foo executes the definition of \Efoo.
|
||
|
|
%
|
||
|
|
\def\end{\parsearg\endxxx}
|
||
|
|
\def\endxxx #1{%
|
||
|
|
\removeactivespaces{#1}%
|
||
|
|
\edef\endthing{\the\toks0}%
|
||
|
|
%
|
||
|
|
\expandafter\ifx\csname E\endthing\endcsname\relax
|
||
|
|
\expandafter\ifx\csname \endthing\endcsname\relax
|
||
|
|
% There's no \foo, i.e., no ``environment'' foo.
|
||
|
|
\errhelp = \EMsimple
|
||
|
|
\errmessage{Undefined command `@end \endthing'}%
|
||
|
|
\else
|
||
|
|
\unmatchedenderror\endthing
|
||
|
|
\fi
|
||
|
|
\else
|
||
|
|
% Everything's ok; the right environment has been started.
|
||
|
|
\csname E\endthing\endcsname
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% There is an environment #1, but it hasn't been started. Give an error.
|
||
|
|
%
|
||
|
|
\def\unmatchedenderror#1{%
|
||
|
|
\errhelp = \EMsimple
|
||
|
|
\errmessage{This `@end #1' doesn't have a matching `@#1'}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% Define the control sequence \E#1 to give an unmatched @end error.
|
||
|
|
%
|
||
|
|
\def\defineunmatchedend#1{%
|
||
|
|
\expandafter\def\csname E#1\endcsname{\unmatchedenderror{#1}}%
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
% Single-spacing is done by various environments (specifically, in
|
||
|
|
% \nonfillstart and \quotations).
|
||
|
|
\newskip\singlespaceskip \singlespaceskip = 12.5pt
|
||
|
|
\def\singlespace{%
|
||
|
|
% Why was this kern here? It messes up equalizing space above and below
|
||
|
|
% environments. --karl, 6may93
|
||
|
|
%{\advance \baselineskip by -\singlespaceskip
|
||
|
|
%\kern \baselineskip}%
|
||
|
|
\setleading \singlespaceskip
|
||
|
|
}
|
||
|
|
|
||
|
|
%% Simple single-character @ commands
|
||
|
|
|
||
|
|
% @@ prints an @
|
||
|
|
% Kludge this until the fonts are right (grr).
|
||
|
|
\def\@{{\tt\char64}}
|
||
|
|
|
||
|
|
% This is turned off because it was never documented
|
||
|
|
% and you can use @w{...} around a quote to suppress ligatures.
|
||
|
|
%% Define @` and @' to be the same as ` and '
|
||
|
|
%% but suppressing ligatures.
|
||
|
|
%\def\`{{`}}
|
||
|
|
%\def\'{{'}}
|
||
|
|
|
||
|
|
% Used to generate quoted braces.
|
||
|
|
\def\mylbrace {{\tt\char123}}
|
||
|
|
\def\myrbrace {{\tt\char125}}
|
||
|
|
\let\{=\mylbrace
|
||
|
|
\let\}=\myrbrace
|
||
|
|
\begingroup
|
||
|
|
% Definitions to produce actual \{ & \} command in an index.
|
||
|
|
\catcode`\{ = 12 \catcode`\} = 12
|
||
|
|
\catcode`\[ = 1 \catcode`\] = 2
|
||
|
|
\catcode`\@ = 0 \catcode`\\ = 12
|
||
|
|
@gdef@lbracecmd[\{]%
|
||
|
|
@gdef@rbracecmd[\}]%
|
||
|
|
@endgroup
|
||
|
|
|
||
|
|
% Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent
|
||
|
|
% Others are defined by plain TeX: @` @' @" @^ @~ @= @v @H.
|
||
|
|
\let\, = \c
|
||
|
|
\let\dotaccent = \.
|
||
|
|
\def\ringaccent#1{{\accent23 #1}}
|
||
|
|
\let\tieaccent = \t
|
||
|
|
\let\ubaraccent = \b
|
||
|
|
\let\udotaccent = \d
|
||
|
|
|
||
|
|
% Other special characters: @questiondown @exclamdown
|
||
|
|
% Plain TeX defines: @AA @AE @O @OE @L (and lowercase versions) @ss.
|
||
|
|
\def\questiondown{?`}
|
||
|
|
\def\exclamdown{!`}
|
||
|
|
|
||
|
|
% Dotless i and dotless j, used for accents.
|
||
|
|
\def\imacro{i}
|
||
|
|
\def\jmacro{j}
|
||
|
|
\def\dotless#1{%
|
||
|
|
\def\temp{#1}%
|
||
|
|
\ifx\temp\imacro \ptexi
|
||
|
|
\else\ifx\temp\jmacro \j
|
||
|
|
\else \errmessage{@dotless can be used only with i or j}%
|
||
|
|
\fi\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% 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
|
||
|
|
% since \penalty is valid in vertical mode, we'd end up putting the
|
||
|
|
% penalty on the vertical list instead of in the new paragraph.
|
||
|
|
{\catcode`@ = 11
|
||
|
|
% Avoid using \@M directly, because that causes trouble
|
||
|
|
% if the definition is written into an index file.
|
||
|
|
\global\let\tiepenalty = \@M
|
||
|
|
\gdef\tie{\leavevmode\penalty\tiepenalty\ }
|
||
|
|
}
|
||
|
|
|
||
|
|
% @: forces normal size whitespace following.
|
||
|
|
\def\:{\spacefactor=1000 }
|
||
|
|
|
||
|
|
% @* forces a line break.
|
||
|
|
\def\*{\hfil\break\hbox{}\ignorespaces}
|
||
|
|
|
||
|
|
% @. is an end-of-sentence period.
|
||
|
|
\def\.{.\spacefactor=3000 }
|
||
|
|
|
||
|
|
% @! is an end-of-sentence bang.
|
||
|
|
\def\!{!\spacefactor=3000 }
|
||
|
|
|
||
|
|
% @? is an end-of-sentence query.
|
||
|
|
\def\?{?\spacefactor=3000 }
|
||
|
|
|
||
|
|
% @w prevents a word break. Without the \leavevmode, @w at the
|
||
|
|
% beginning of a paragraph, when TeX is still in vertical mode, would
|
||
|
|
% produce a whole line of output instead of starting the paragraph.
|
||
|
|
\def\w#1{\leavevmode\hbox{#1}}
|
||
|
|
|
||
|
|
% @group ... @end group forces ... to be all on one page, by enclosing
|
||
|
|
% it in a TeX vbox. We use \vtop instead of \vbox to construct the box
|
||
|
|
% to keep its height that of a normal line. According to the rules for
|
||
|
|
% \topskip (p.114 of the TeXbook), the glue inserted is
|
||
|
|
% max (\topskip - \ht (first item), 0). If that height is large,
|
||
|
|
% therefore, no glue is inserted, and the space between the headline and
|
||
|
|
% the text is small, which looks bad.
|
||
|
|
%
|
||
|
|
\def\group{\begingroup
|
||
|
|
\ifnum\catcode13=\active \else
|
||
|
|
\errhelp = \groupinvalidhelp
|
||
|
|
\errmessage{@group invalid in context where filling is enabled}%
|
||
|
|
\fi
|
||
|
|
%
|
||
|
|
% 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.
|
||
|
|
\endgroup % End the \group.
|
||
|
|
}%
|
||
|
|
%
|
||
|
|
\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
|
||
|
|
% the `@group' to put extra space in the output. Since @group
|
||
|
|
% should appear on a line by itself (according to the Texinfo
|
||
|
|
% manual), we don't worry about eating any user text.
|
||
|
|
\comment
|
||
|
|
}
|
||
|
|
%
|
||
|
|
% TeX puts in an \escapechar (i.e., `@') at the beginning of the help
|
||
|
|
% message, so this ends up printing `@group can only ...'.
|
||
|
|
%
|
||
|
|
\newhelp\groupinvalidhelp{%
|
||
|
|
group can only be used in environments such as @example,^^J%
|
||
|
|
where each line of input produces a line of output.}
|
||
|
|
|
||
|
|
% @need space-in-mils
|
||
|
|
% forces a page break if there is not space-in-mils remaining.
|
||
|
|
|
||
|
|
\newdimen\mil \mil=0.001in
|
||
|
|
|
||
|
|
\def\need{\parsearg\needx}
|
||
|
|
|
||
|
|
% Old definition--didn't work.
|
||
|
|
%\def\needx #1{\par %
|
||
|
|
%% This method tries to make TeX break the page naturally
|
||
|
|
%% if the depth of the box does not fit.
|
||
|
|
%{\baselineskip=0pt%
|
||
|
|
%\vtop to #1\mil{\vfil}\kern -#1\mil\nobreak
|
||
|
|
%\prevdepth=-1000pt
|
||
|
|
%}}
|
||
|
|
|
||
|
|
\def\needx#1{%
|
||
|
|
% Go into vertical mode, so we don't make a big box in the middle of a
|
||
|
|
% paragraph.
|
||
|
|
\par
|
||
|
|
%
|
||
|
|
% Don't add any leading before our big empty box, but allow a page
|
||
|
|
% break, since the best break might be right here.
|
||
|
|
\allowbreak
|
||
|
|
\nointerlineskip
|
||
|
|
\vtop to #1\mil{\vfil}%
|
||
|
|
%
|
||
|
|
% TeX does not even consider page breaks if a penalty added to the
|
||
|
|
% main vertical list is 10000 or more. But in order to see if the
|
||
|
|
% empty box we just added fits on the page, we must make it consider
|
||
|
|
% page breaks. On the other hand, we don't want to actually break the
|
||
|
|
% page after the empty box. So we use a penalty of 9999.
|
||
|
|
%
|
||
|
|
% There is an extremely small chance that TeX will actually break the
|
||
|
|
% page at this \penalty, if there are no other feasible breakpoints in
|
||
|
|
% sight. (If the user is using lots of big @group commands, which
|
||
|
|
% almost-but-not-quite fill up a page, TeX will have a hard time doing
|
||
|
|
% good page breaking, for example.) However, I could not construct an
|
||
|
|
% example where a page broke at this \penalty; if it happens in a real
|
||
|
|
% document, then we can reconsider our strategy.
|
||
|
|
\penalty9999
|
||
|
|
%
|
||
|
|
% Back up by the size of the box, whether we did a page break or not.
|
||
|
|
\kern -#1\mil
|
||
|
|
%
|
||
|
|
% Do not allow a page break right after this kern.
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
% @br forces paragraph break
|
||
|
|
|
||
|
|
\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}
|
||
|
|
|
||
|
|
% @exdent text....
|
||
|
|
% outputs text on separate line in roman font, starting at standard page margin
|
||
|
|
|
||
|
|
% This records the amount of indent in the innermost environment.
|
||
|
|
% That's how much \exdent should take out.
|
||
|
|
\newskip\exdentamount
|
||
|
|
|
||
|
|
% This defn is used inside fill environments such as @defun.
|
||
|
|
\def\exdent{\parsearg\exdentyyy}
|
||
|
|
\def\exdentyyy #1{{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break}}
|
||
|
|
|
||
|
|
% This defn is used inside nofill environments such as @example.
|
||
|
|
\def\nofillexdent{\parsearg\nofillexdentyyy}
|
||
|
|
\def\nofillexdentyyy #1{{\advance \leftskip by -\exdentamount
|
||
|
|
\leftline{\hskip\leftskip{\rm#1}}}}
|
||
|
|
|
||
|
|
% @inmargin{TEXT} puts TEXT in the margin next to the current paragraph.
|
||
|
|
|
||
|
|
\def\inmargin#1{%
|
||
|
|
\strut\vadjust{\nobreak\kern-\strutdepth
|
||
|
|
\vtop to \strutdepth{\baselineskip\strutdepth\vss
|
||
|
|
\llap{\rightskip=\inmarginspacing \vbox{\noindent #1}}\null}}}
|
||
|
|
\newskip\inmarginspacing \inmarginspacing=1cm
|
||
|
|
\def\strutdepth{\dp\strutbox}
|
||
|
|
|
||
|
|
%\hbox{{\rm#1}}\hfil\break}}
|
||
|
|
|
||
|
|
% @include file insert text of that file as input.
|
||
|
|
% Allow normal characters that we make active in the argument (a file name).
|
||
|
|
\def\include{\begingroup
|
||
|
|
\catcode`\\=12
|
||
|
|
\catcode`~=12
|
||
|
|
\catcode`^=12
|
||
|
|
\catcode`_=12
|
||
|
|
\catcode`|=12
|
||
|
|
\catcode`<=12
|
||
|
|
\catcode`>=12
|
||
|
|
\catcode`+=12
|
||
|
|
\parsearg\includezzz}
|
||
|
|
% Restore active chars for included file.
|
||
|
|
\def\includezzz#1{\endgroup\begingroup
|
||
|
|
% Read the included file in a group so nested @include's work.
|
||
|
|
\def\thisfile{#1}%
|
||
|
|
\input\thisfile
|
||
|
|
\endgroup}
|
||
|
|
|
||
|
|
\def\thisfile{}
|
||
|
|
|
||
|
|
% @center line outputs that line, centered
|
||
|
|
|
||
|
|
\def\center{\parsearg\centerzzz}
|
||
|
|
\def\centerzzz #1{{\advance\hsize by -\leftskip
|
||
|
|
\advance\hsize by -\rightskip
|
||
|
|
\centerline{#1}}}
|
||
|
|
|
||
|
|
% @sp n outputs n lines of vertical space
|
||
|
|
|
||
|
|
\def\sp{\parsearg\spxxx}
|
||
|
|
\def\spxxx #1{\vskip #1\baselineskip}
|
||
|
|
|
||
|
|
% @comment ...line which is ignored...
|
||
|
|
% @c is the same as @comment
|
||
|
|
% @ignore ... @end ignore is another way to write a comment
|
||
|
|
|
||
|
|
\def\comment{\begingroup \catcode`\^^M=\other%
|
||
|
|
\catcode`\@=\other \catcode`\{=\other \catcode`\}=\other%
|
||
|
|
\commentxxx}
|
||
|
|
{\catcode`\^^M=\other \gdef\commentxxx#1^^M{\endgroup}}
|
||
|
|
|
||
|
|
\let\c=\comment
|
||
|
|
|
||
|
|
% @paragraphindent is defined for the Info formatting commands only.
|
||
|
|
\let\paragraphindent=\comment
|
||
|
|
|
||
|
|
% Prevent errors for section commands.
|
||
|
|
% Used in @ignore and in failing conditionals.
|
||
|
|
\def\ignoresections{%
|
||
|
|
\let\chapter=\relax
|
||
|
|
\let\unnumbered=\relax
|
||
|
|
\let\top=\relax
|
||
|
|
\let\unnumberedsec=\relax
|
||
|
|
\let\unnumberedsection=\relax
|
||
|
|
\let\unnumberedsubsec=\relax
|
||
|
|
\let\unnumberedsubsection=\relax
|
||
|
|
\let\unnumberedsubsubsec=\relax
|
||
|
|
\let\unnumberedsubsubsection=\relax
|
||
|
|
\let\section=\relax
|
||
|
|
\let\subsec=\relax
|
||
|
|
\let\subsubsec=\relax
|
||
|
|
\let\subsection=\relax
|
||
|
|
\let\subsubsection=\relax
|
||
|
|
\let\appendix=\relax
|
||
|
|
\let\appendixsec=\relax
|
||
|
|
\let\appendixsection=\relax
|
||
|
|
\let\appendixsubsec=\relax
|
||
|
|
\let\appendixsubsection=\relax
|
||
|
|
\let\appendixsubsubsec=\relax
|
||
|
|
\let\appendixsubsubsection=\relax
|
||
|
|
\let\contents=\relax
|
||
|
|
\let\smallbook=\relax
|
||
|
|
\let\titlepage=\relax
|
||
|
|
}
|
||
|
|
|
||
|
|
% Used in nested conditionals, where we have to parse the Texinfo source
|
||
|
|
% and so want to turn off most commands, in case they are used
|
||
|
|
% incorrectly.
|
||
|
|
%
|
||
|
|
\def\ignoremorecommands{%
|
||
|
|
\let\defcodeindex = \relax
|
||
|
|
\let\defcv = \relax
|
||
|
|
\let\deffn = \relax
|
||
|
|
\let\deffnx = \relax
|
||
|
|
\let\defindex = \relax
|
||
|
|
\let\defivar = \relax
|
||
|
|
\let\defmac = \relax
|
||
|
|
\let\defmethod = \relax
|
||
|
|
\let\defop = \relax
|
||
|
|
\let\defopt = \relax
|
||
|
|
\let\defspec = \relax
|
||
|
|
\let\deftp = \relax
|
||
|
|
\let\deftypefn = \relax
|
||
|
|
\let\deftypefun = \relax
|
||
|
|
\let\deftypevar = \relax
|
||
|
|
\let\deftypevr = \relax
|
||
|
|
\let\defun = \relax
|
||
|
|
\let\defvar = \relax
|
||
|
|
\let\defvr = \relax
|
||
|
|
\let\ref = \relax
|
||
|
|
\let\xref = \relax
|
||
|
|
\let\printindex = \relax
|
||
|
|
\let\pxref = \relax
|
||
|
|
\let\settitle = \relax
|
||
|
|
\let\setchapternewpage = \relax
|
||
|
|
\let\setchapterstyle = \relax
|
||
|
|
\let\everyheading = \relax
|
||
|
|
\let\evenheading = \relax
|
||
|
|
\let\oddheading = \relax
|
||
|
|
\let\everyfooting = \relax
|
||
|
|
\let\evenfooting = \relax
|
||
|
|
\let\oddfooting = \relax
|
||
|
|
\let\headings = \relax
|
||
|
|
\let\include = \relax
|
||
|
|
\let\lowersections = \relax
|
||
|
|
\let\down = \relax
|
||
|
|
\let\raisesections = \relax
|
||
|
|
\let\up = \relax
|
||
|
|
\let\set = \relax
|
||
|
|
\let\clear = \relax
|
||
|
|
\let\item = \relax
|
||
|
|
}
|
||
|
|
|
||
|
|
% Ignore @ignore ... @end ignore.
|
||
|
|
%
|
||
|
|
\def\ignore{\doignore{ignore}}
|
||
|
|
|
||
|
|
% Ignore @ifinfo, @ifhtml, @ifnottex, @html, @menu, and @direntry text.
|
||
|
|
%
|
||
|
|
\def\ifinfo{\doignore{ifinfo}}
|
||
|
|
\def\ifhtml{\doignore{ifhtml}}
|
||
|
|
\def\ifnottex{\doignore{ifnottex}}
|
||
|
|
\def\html{\doignore{html}}
|
||
|
|
\def\menu{\doignore{menu}}
|
||
|
|
\def\direntry{\doignore{direntry}}
|
||
|
|
|
||
|
|
% @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'.
|
||
|
|
%
|
||
|
|
\def\doignore#1{\begingroup
|
||
|
|
% Don't complain about control sequences we have declared \outer.
|
||
|
|
\ignoresections
|
||
|
|
%
|
||
|
|
% Define a command to swallow text until we reach `@end #1'.
|
||
|
|
% This @ is a catcode 12 token (that is the normal catcode of @ in
|
||
|
|
% this texinfo.tex file). We change the catcode of @ below to match.
|
||
|
|
\long\def\doignoretext##1@end #1{\enddoignore}%
|
||
|
|
%
|
||
|
|
% Make sure that spaces turn into tokens that match what \doignoretext wants.
|
||
|
|
\catcode32 = 10
|
||
|
|
%
|
||
|
|
% Ignore braces, too, so mismatched braces don't cause trouble.
|
||
|
|
\catcode`\{ = 9
|
||
|
|
\catcode`\} = 9
|
||
|
|
%
|
||
|
|
% We must not have @c interpreted as a control sequence.
|
||
|
|
\catcode`\@ = 12
|
||
|
|
%
|
||
|
|
% Make the letter c a comment character so that the rest of the line
|
||
|
|
% will be ignored. This way, the document can have (for example)
|
||
|
|
% @c @end ifinfo
|
||
|
|
% and the @end ifinfo will be properly ignored.
|
||
|
|
% (We've just changed @ to catcode 12.)
|
||
|
|
\catcode`\c = 14
|
||
|
|
%
|
||
|
|
% And now expand that command.
|
||
|
|
\doignoretext
|
||
|
|
}
|
||
|
|
|
||
|
|
% What we do to finish off ignored text.
|
||
|
|
%
|
||
|
|
\def\enddoignore{\endgroup\ignorespaces}%
|
||
|
|
|
||
|
|
\newif\ifwarnedobs\warnedobsfalse
|
||
|
|
\def\obstexwarn{%
|
||
|
|
\ifwarnedobs\relax\else
|
||
|
|
% We need to warn folks that they may have trouble with TeX 3.0.
|
||
|
|
% This uses \immediate\write16 rather than \message to get newlines.
|
||
|
|
\immediate\write16{}
|
||
|
|
\immediate\write16{***WARNING*** for users of Unix TeX 3.0!}
|
||
|
|
\immediate\write16{This manual trips a bug in TeX version 3.0 (tex hangs).}
|
||
|
|
\immediate\write16{If you are running another version of TeX, relax.}
|
||
|
|
\immediate\write16{If you are running Unix TeX 3.0, kill this TeX process.}
|
||
|
|
\immediate\write16{ Then upgrade your TeX installation if you can.}
|
||
|
|
\immediate\write16{ (See ftp://ftp.gnu.ai.mit.edu/pub/gnu/TeX.README.)}
|
||
|
|
\immediate\write16{If you are stuck with version 3.0, run the}
|
||
|
|
\immediate\write16{ script ``tex3patch'' from the Texinfo distribution}
|
||
|
|
\immediate\write16{ to use a workaround.}
|
||
|
|
\immediate\write16{}
|
||
|
|
\global\warnedobstrue
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% **In TeX 3.0, setting text in \nullfont hangs tex. For a
|
||
|
|
% workaround (which requires the file ``dummy.tfm'' to be installed),
|
||
|
|
% uncomment the following line:
|
||
|
|
%%%%%\font\nullfont=dummy\let\obstexwarn=\relax
|
||
|
|
|
||
|
|
% Ignore text, except that we keep track of conditional commands for
|
||
|
|
% purposes of nesting, up to an `@end #1' command.
|
||
|
|
%
|
||
|
|
\def\nestedignore#1{%
|
||
|
|
\obstexwarn
|
||
|
|
% We must actually expand the ignored text to look for the @end
|
||
|
|
% command, so that nested ignore constructs work. Thus, we put the
|
||
|
|
% text into a \vbox and then do nothing with the result. To minimize
|
||
|
|
% the change of memory overflow, we follow the approach outlined on
|
||
|
|
% page 401 of the TeXbook: make the current font be a dummy font.
|
||
|
|
%
|
||
|
|
\setbox0 = \vbox\bgroup
|
||
|
|
% Don't complain about control sequences we have declared \outer.
|
||
|
|
\ignoresections
|
||
|
|
%
|
||
|
|
% Define `@end #1' to end the box, which will in turn undefine the
|
||
|
|
% @end command again.
|
||
|
|
\expandafter\def\csname E#1\endcsname{\egroup\ignorespaces}%
|
||
|
|
%
|
||
|
|
% We are going to be parsing Texinfo commands. Most cause no
|
||
|
|
% trouble when they are used incorrectly, but some commands do
|
||
|
|
% complicated argument parsing or otherwise get confused, so we
|
||
|
|
% undefine them.
|
||
|
|
%
|
||
|
|
% We can't do anything about stray @-signs, unfortunately;
|
||
|
|
% they'll produce `undefined control sequence' errors.
|
||
|
|
\ignoremorecommands
|
||
|
|
%
|
||
|
|
% Set the current font to be \nullfont, a TeX primitive, and define
|
||
|
|
% all the font commands to also use \nullfont. We don't use
|
||
|
|
% dummy.tfm, as suggested in the TeXbook, because not all sites
|
||
|
|
% might have that installed. Therefore, math mode will still
|
||
|
|
% produce output, but that should be an extremely small amount of
|
||
|
|
% stuff compared to the main input.
|
||
|
|
%
|
||
|
|
\nullfont
|
||
|
|
\let\tenrm = \nullfont \let\tenit = \nullfont \let\tensl = \nullfont
|
||
|
|
\let\tenbf = \nullfont \let\tentt = \nullfont \let\smallcaps = \nullfont
|
||
|
|
\let\tensf = \nullfont
|
||
|
|
% Similarly for index fonts (mostly for their use in
|
||
|
|
% smallexample)
|
||
|
|
\let\indrm = \nullfont \let\indit = \nullfont \let\indsl = \nullfont
|
||
|
|
\let\indbf = \nullfont \let\indtt = \nullfont \let\indsc = \nullfont
|
||
|
|
\let\indsf = \nullfont
|
||
|
|
%
|
||
|
|
% Don't complain when characters are missing from the fonts.
|
||
|
|
\tracinglostchars = 0
|
||
|
|
%
|
||
|
|
% Don't bother to do space factor calculations.
|
||
|
|
\frenchspacing
|
||
|
|
%
|
||
|
|
% Don't report underfull hboxes.
|
||
|
|
\hbadness = 10000
|
||
|
|
%
|
||
|
|
% Do minimal line-breaking.
|
||
|
|
\pretolerance = 10000
|
||
|
|
%
|
||
|
|
% Do not execute instructions in @tex
|
||
|
|
\def\tex{\doignore{tex}}%
|
||
|
|
% Do not execute macro definitions.
|
||
|
|
% `c' is a comment character, so the word `macro' will get cut off.
|
||
|
|
\def\macro{\doignore{ma}}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% @set VAR sets the variable VAR to an empty value.
|
||
|
|
% @set VAR REST-OF-LINE sets VAR to the value REST-OF-LINE.
|
||
|
|
%
|
||
|
|
% Since we want to separate VAR from REST-OF-LINE (which might be
|
||
|
|
% empty), we can't just use \parsearg; we have to insert a space of our
|
||
|
|
% own to delimit the rest of the line, and then take it out again if we
|
||
|
|
% didn't need it. Make sure the catcode of space is correct to avoid
|
||
|
|
% losing inside @example, for instance.
|
||
|
|
%
|
||
|
|
\def\set{\begingroup\catcode` =10
|
||
|
|
\catcode`\-=12 \catcode`\_=12 % Allow - and _ in VAR.
|
||
|
|
\parsearg\setxxx}
|
||
|
|
\def\setxxx#1{\setyyy#1 \endsetyyy}
|
||
|
|
\def\setyyy#1 #2\endsetyyy{%
|
||
|
|
\def\temp{#2}%
|
||
|
|
\ifx\temp\empty \global\expandafter\let\csname SET#1\endcsname = \empty
|
||
|
|
\else \setzzz{#1}#2\endsetzzz % Remove the trailing space \setxxx inserted.
|
||
|
|
\fi
|
||
|
|
\endgroup
|
||
|
|
}
|
||
|
|
% Can't use \xdef to pre-expand #2 and save some time, since \temp or
|
||
|
|
% \next or other control sequences that we've defined might get us into
|
||
|
|
% an infinite loop. Consider `@set foo @cite{bar}'.
|
||
|
|
\def\setzzz#1#2 \endsetzzz{\expandafter\gdef\csname SET#1\endcsname{#2}}
|
||
|
|
|
||
|
|
% @clear VAR clears (i.e., unsets) the variable VAR.
|
||
|
|
%
|
||
|
|
\def\clear{\parsearg\clearxxx}
|
||
|
|
\def\clearxxx#1{\global\expandafter\let\csname SET#1\endcsname=\relax}
|
||
|
|
|
||
|
|
% @value{foo} gets the text saved in variable foo.
|
||
|
|
%
|
||
|
|
{
|
||
|
|
\catcode`\_ = \active
|
||
|
|
%
|
||
|
|
% We might end up with active _ or - characters in the argument if
|
||
|
|
% we're called from @code, as @code{@value{foo-bar_}}. So \let any
|
||
|
|
% such active characters to their normal equivalents.
|
||
|
|
\gdef\value{\begingroup
|
||
|
|
\catcode`\-=12 \catcode`\_=12
|
||
|
|
\indexbreaks \let_\normalunderscore
|
||
|
|
\valuexxx}
|
||
|
|
}
|
||
|
|
\def\valuexxx#1{\expandablevalue{#1}\endgroup}
|
||
|
|
|
||
|
|
% We have this subroutine so that we can handle at least some @value's
|
||
|
|
% properly in indexes (we \let\value to this in \indexdummies). Ones
|
||
|
|
% whose names contain - or _ still won't work, but we can't do anything
|
||
|
|
% about that. The command has to be fully expandable, since the result
|
||
|
|
% winds up in the index file. This means that if the variable's value
|
||
|
|
% contains other Texinfo commands, it's almost certain it will fail
|
||
|
|
% (although perhaps we could fix that with sufficient work to do a
|
||
|
|
% one-level expansion on the result, instead of complete).
|
||
|
|
%
|
||
|
|
\def\expandablevalue#1{%
|
||
|
|
\expandafter\ifx\csname SET#1\endcsname\relax
|
||
|
|
{[No value for ``#1'']v}%
|
||
|
|
\else
|
||
|
|
\csname SET#1\endcsname
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% @ifset VAR ... @end ifset reads the `...' iff VAR has been defined
|
||
|
|
% with @set.
|
||
|
|
%
|
||
|
|
\def\ifset{\parsearg\ifsetxxx}
|
||
|
|
\def\ifsetxxx #1{%
|
||
|
|
\expandafter\ifx\csname SET#1\endcsname\relax
|
||
|
|
\expandafter\ifsetfail
|
||
|
|
\else
|
||
|
|
\expandafter\ifsetsucceed
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
\def\ifsetsucceed{\conditionalsucceed{ifset}}
|
||
|
|
\def\ifsetfail{\nestedignore{ifset}}
|
||
|
|
\defineunmatchedend{ifset}
|
||
|
|
|
||
|
|
% @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been
|
||
|
|
% defined with @set, or has been undefined with @clear.
|
||
|
|
%
|
||
|
|
\def\ifclear{\parsearg\ifclearxxx}
|
||
|
|
\def\ifclearxxx #1{%
|
||
|
|
\expandafter\ifx\csname SET#1\endcsname\relax
|
||
|
|
\expandafter\ifclearsucceed
|
||
|
|
\else
|
||
|
|
\expandafter\ifclearfail
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
\def\ifclearsucceed{\conditionalsucceed{ifclear}}
|
||
|
|
\def\ifclearfail{\nestedignore{ifclear}}
|
||
|
|
\defineunmatchedend{ifclear}
|
||
|
|
|
||
|
|
% @iftex, @ifnothtml, @ifnotinfo always succeed; we read the text
|
||
|
|
% following, through the first @end iftex (etc.). Make `@end iftex'
|
||
|
|
% (etc.) valid only after an @iftex.
|
||
|
|
%
|
||
|
|
\def\iftex{\conditionalsucceed{iftex}}
|
||
|
|
\def\ifnothtml{\conditionalsucceed{ifnothtml}}
|
||
|
|
\def\ifnotinfo{\conditionalsucceed{ifnotinfo}}
|
||
|
|
\defineunmatchedend{iftex}
|
||
|
|
\defineunmatchedend{ifnothtml}
|
||
|
|
\defineunmatchedend{ifnotinfo}
|
||
|
|
|
||
|
|
% We can't just want to start a group at @iftex (for example) and end it
|
||
|
|
% at @end iftex, since then @set commands inside the conditional have no
|
||
|
|
% effect (they'd get reverted at the end of the group). So we must
|
||
|
|
% define \Eiftex to redefine itself to be its previous value. (We can't
|
||
|
|
% just define it to fail again with an ``unmatched end'' error, since
|
||
|
|
% the @ifset might be nested.)
|
||
|
|
%
|
||
|
|
\def\conditionalsucceed#1{%
|
||
|
|
\edef\temp{%
|
||
|
|
% Remember the current value of \E#1.
|
||
|
|
\let\nece{prevE#1} = \nece{E#1}%
|
||
|
|
%
|
||
|
|
% At the `@end #1', redefine \E#1 to be its previous value.
|
||
|
|
\def\nece{E#1}{\let\nece{E#1} = \nece{prevE#1}}%
|
||
|
|
}%
|
||
|
|
\temp
|
||
|
|
}
|
||
|
|
|
||
|
|
% We need to expand lots of \csname's, but we don't want to expand the
|
||
|
|
% control sequences after we've constructed them.
|
||
|
|
%
|
||
|
|
\def\nece#1{\expandafter\noexpand\csname#1\endcsname}
|
||
|
|
|
||
|
|
% @asis just yields its argument. Used with @table, for example.
|
||
|
|
%
|
||
|
|
\def\asis#1{#1}
|
||
|
|
|
||
|
|
% @math means output in math mode.
|
||
|
|
% We don't use $'s directly in the definition of \math because control
|
||
|
|
% sequences like \math are expanded when the toc file is written. Then,
|
||
|
|
% we read the toc file back, the $'s will be normal characters (as they
|
||
|
|
% should be, according to the definition of Texinfo). So we must use a
|
||
|
|
% control sequence to switch into and out of math mode.
|
||
|
|
%
|
||
|
|
% This isn't quite enough for @math to work properly in indices, but it
|
||
|
|
% seems unlikely it will ever be needed there.
|
||
|
|
%
|
||
|
|
\let\implicitmath = $
|
||
|
|
\def\math#1{\implicitmath #1\implicitmath}
|
||
|
|
|
||
|
|
% @bullet and @minus need the same treatment as @math, just above.
|
||
|
|
\def\bullet{\implicitmath\ptexbullet\implicitmath}
|
||
|
|
\def\minus{\implicitmath-\implicitmath}
|
||
|
|
|
||
|
|
% @refill is a no-op.
|
||
|
|
\let\refill=\relax
|
||
|
|
|
||
|
|
% If working on a large document in chapters, it is convenient to
|
||
|
|
% be able to disable indexing, cross-referencing, and contents, for test runs.
|
||
|
|
% This is done with @novalidate (before @setfilename).
|
||
|
|
%
|
||
|
|
\newif\iflinks \linkstrue % by default we want the aux files.
|
||
|
|
\let\novalidate = \linksfalse
|
||
|
|
|
||
|
|
% @setfilename is done at the beginning of every texinfo file.
|
||
|
|
% 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{%
|
||
|
|
\iflinks
|
||
|
|
\readauxfile
|
||
|
|
\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.
|
||
|
|
%
|
||
|
|
% 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
|
||
|
|
%
|
||
|
|
\comment % Ignore the actual filename.
|
||
|
|
}
|
||
|
|
|
||
|
|
% Called from \setfilename.
|
||
|
|
%
|
||
|
|
\def\openindices{%
|
||
|
|
\newindex{cp}%
|
||
|
|
\newcodeindex{fn}%
|
||
|
|
\newcodeindex{vr}%
|
||
|
|
\newcodeindex{tp}%
|
||
|
|
\newcodeindex{ky}%
|
||
|
|
\newcodeindex{pg}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% @bye.
|
||
|
|
\outer\def\bye{\pagealignmacro\tracingstats=1\ptexend}
|
||
|
|
|
||
|
|
|
||
|
|
\message{fonts,}
|
||
|
|
% Font-change commands.
|
||
|
|
|
||
|
|
% 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.
|
||
|
|
\newfam\sffam
|
||
|
|
\def\sf{\fam=\sffam \tensf}
|
||
|
|
\let\li = \sf % Sometimes we call it \li, not \sf.
|
||
|
|
|
||
|
|
% We don't need math for this one.
|
||
|
|
\def\ttsl{\tenttsl}
|
||
|
|
|
||
|
|
% Use Computer Modern fonts at \magstephalf (11pt).
|
||
|
|
\newcount\mainmagstep
|
||
|
|
\mainmagstep=\magstephalf
|
||
|
|
|
||
|
|
% Set the font macro #1 to the font named #2, adding on the
|
||
|
|
% specified font prefix (normally `cm').
|
||
|
|
% #3 is the font's design size, #4 is a scale factor
|
||
|
|
\def\setfont#1#2#3#4{\font#1=\fontprefix#2#3 scaled #4}
|
||
|
|
|
||
|
|
% Use cm as the default font prefix.
|
||
|
|
% To specify the font prefix, you must define \fontprefix
|
||
|
|
% before you read in texinfo.tex.
|
||
|
|
\ifx\fontprefix\undefined
|
||
|
|
\def\fontprefix{cm}
|
||
|
|
\fi
|
||
|
|
% Support font families that don't use the same naming scheme as CM.
|
||
|
|
\def\rmshape{r}
|
||
|
|
\def\rmbshape{bx} %where the normal face is bold
|
||
|
|
\def\bfshape{b}
|
||
|
|
\def\bxshape{bx}
|
||
|
|
\def\ttshape{tt}
|
||
|
|
\def\ttbshape{tt}
|
||
|
|
\def\ttslshape{sltt}
|
||
|
|
\def\itshape{ti}
|
||
|
|
\def\itbshape{bxti}
|
||
|
|
\def\slshape{sl}
|
||
|
|
\def\slbshape{bxsl}
|
||
|
|
\def\sfshape{ss}
|
||
|
|
\def\sfbshape{ss}
|
||
|
|
\def\scshape{csc}
|
||
|
|
\def\scbshape{csc}
|
||
|
|
|
||
|
|
\ifx\bigger\relax
|
||
|
|
\let\mainmagstep=\magstep1
|
||
|
|
\setfont\textrm\rmshape{12}{1000}
|
||
|
|
\setfont\texttt\ttshape{12}{1000}
|
||
|
|
\else
|
||
|
|
\setfont\textrm\rmshape{10}{\mainmagstep}
|
||
|
|
\setfont\texttt\ttshape{10}{\mainmagstep}
|
||
|
|
\fi
|
||
|
|
% Instead of cmb10, you many want to use cmbx10.
|
||
|
|
% cmbx10 is a prettier font on its own, but cmb10
|
||
|
|
% looks better when embedded in a line with cmr10.
|
||
|
|
\setfont\textbf\bfshape{10}{\mainmagstep}
|
||
|
|
\setfont\textit\itshape{10}{\mainmagstep}
|
||
|
|
\setfont\textsl\slshape{10}{\mainmagstep}
|
||
|
|
\setfont\textsf\sfshape{10}{\mainmagstep}
|
||
|
|
\setfont\textsc\scshape{10}{\mainmagstep}
|
||
|
|
\setfont\textttsl\ttslshape{10}{\mainmagstep}
|
||
|
|
\font\texti=cmmi10 scaled \mainmagstep
|
||
|
|
\font\textsy=cmsy10 scaled \mainmagstep
|
||
|
|
|
||
|
|
% A few fonts for @defun, etc.
|
||
|
|
\setfont\defbf\bxshape{10}{\magstep1} %was 1314
|
||
|
|
\setfont\deftt\ttshape{10}{\magstep1}
|
||
|
|
\def\df{\let\tentt=\deftt \let\tenbf = \defbf \bf}
|
||
|
|
|
||
|
|
% Fonts for indices and small examples (9pt).
|
||
|
|
% We actually use the slanted font rather than the italic,
|
||
|
|
% because texinfo normally uses the slanted fonts for that.
|
||
|
|
% Do not make many font distinctions in general in the index, since they
|
||
|
|
% aren't very useful.
|
||
|
|
\setfont\ninett\ttshape{9}{1000}
|
||
|
|
\setfont\ninettsl\ttslshape{10}{900}
|
||
|
|
\setfont\indrm\rmshape{9}{1000}
|
||
|
|
\setfont\indit\itshape{9}{1000}
|
||
|
|
\setfont\indsl\slshape{9}{1000}
|
||
|
|
\let\indtt=\ninett
|
||
|
|
\let\indttsl=\ninettsl
|
||
|
|
\let\indsf=\indrm
|
||
|
|
\let\indbf=\indrm
|
||
|
|
\setfont\indsc\scshape{10}{900}
|
||
|
|
\font\indi=cmmi9
|
||
|
|
\font\indsy=cmsy9
|
||
|
|
|
||
|
|
% Fonts for title page:
|
||
|
|
\setfont\titlerm\rmbshape{12}{\magstep3}
|
||
|
|
\setfont\titleit\itbshape{10}{\magstep4}
|
||
|
|
\setfont\titlesl\slbshape{10}{\magstep4}
|
||
|
|
\setfont\titlett\ttbshape{12}{\magstep3}
|
||
|
|
\setfont\titlettsl\ttslshape{10}{\magstep4}
|
||
|
|
\setfont\titlesf\sfbshape{17}{\magstep1}
|
||
|
|
\let\titlebf=\titlerm
|
||
|
|
\setfont\titlesc\scbshape{10}{\magstep4}
|
||
|
|
\font\titlei=cmmi12 scaled \magstep3
|
||
|
|
\font\titlesy=cmsy10 scaled \magstep4
|
||
|
|
\def\authorrm{\secrm}
|
||
|
|
|
||
|
|
% Chapter (and unnumbered) fonts (17.28pt).
|
||
|
|
\setfont\chaprm\rmbshape{12}{\magstep2}
|
||
|
|
\setfont\chapit\itbshape{10}{\magstep3}
|
||
|
|
\setfont\chapsl\slbshape{10}{\magstep3}
|
||
|
|
\setfont\chaptt\ttbshape{12}{\magstep2}
|
||
|
|
\setfont\chapttsl\ttslshape{10}{\magstep3}
|
||
|
|
\setfont\chapsf\sfbshape{17}{1000}
|
||
|
|
\let\chapbf=\chaprm
|
||
|
|
\setfont\chapsc\scbshape{10}{\magstep3}
|
||
|
|
\font\chapi=cmmi12 scaled \magstep2
|
||
|
|
\font\chapsy=cmsy10 scaled \magstep3
|
||
|
|
|
||
|
|
% Section fonts (14.4pt).
|
||
|
|
\setfont\secrm\rmbshape{12}{\magstep1}
|
||
|
|
\setfont\secit\itbshape{10}{\magstep2}
|
||
|
|
\setfont\secsl\slbshape{10}{\magstep2}
|
||
|
|
\setfont\sectt\ttbshape{12}{\magstep1}
|
||
|
|
\setfont\secttsl\ttslshape{10}{\magstep2}
|
||
|
|
\setfont\secsf\sfbshape{12}{\magstep1}
|
||
|
|
\let\secbf\secrm
|
||
|
|
\setfont\secsc\scbshape{10}{\magstep2}
|
||
|
|
\font\seci=cmmi12 scaled \magstep1
|
||
|
|
\font\secsy=cmsy10 scaled \magstep2
|
||
|
|
|
||
|
|
% \setfont\ssecrm\bxshape{10}{\magstep1} % This size an font looked bad.
|
||
|
|
% \setfont\ssecit\itshape{10}{\magstep1} % The letters were too crowded.
|
||
|
|
% \setfont\ssecsl\slshape{10}{\magstep1}
|
||
|
|
% \setfont\ssectt\ttshape{10}{\magstep1}
|
||
|
|
% \setfont\ssecsf\sfshape{10}{\magstep1}
|
||
|
|
|
||
|
|
%\setfont\ssecrm\bfshape{10}{1315} % Note the use of cmb rather than cmbx.
|
||
|
|
%\setfont\ssecit\itshape{10}{1315} % Also, the size is a little larger than
|
||
|
|
%\setfont\ssecsl\slshape{10}{1315} % being scaled magstep1.
|
||
|
|
%\setfont\ssectt\ttshape{10}{1315}
|
||
|
|
%\setfont\ssecsf\sfshape{10}{1315}
|
||
|
|
|
||
|
|
%\let\ssecbf=\ssecrm
|
||
|
|
|
||
|
|
% Subsection fonts (13.15pt).
|
||
|
|
\setfont\ssecrm\rmbshape{12}{\magstephalf}
|
||
|
|
\setfont\ssecit\itbshape{10}{1315}
|
||
|
|
\setfont\ssecsl\slbshape{10}{1315}
|
||
|
|
\setfont\ssectt\ttbshape{12}{\magstephalf}
|
||
|
|
\setfont\ssecttsl\ttslshape{10}{1315}
|
||
|
|
\setfont\ssecsf\sfbshape{12}{\magstephalf}
|
||
|
|
\let\ssecbf\ssecrm
|
||
|
|
\setfont\ssecsc\scbshape{10}{\magstep1}
|
||
|
|
\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.
|
||
|
|
|
||
|
|
% In order for the font changes to affect most math symbols and letters,
|
||
|
|
% we have to define the \textfont of the standard families. Since
|
||
|
|
% texinfo doesn't allow for producing subscripts and superscripts, we
|
||
|
|
% don't bother to reset \scriptfont and \scriptscriptfont (which would
|
||
|
|
% also require loading a lot more fonts).
|
||
|
|
%
|
||
|
|
\def\resetmathfonts{%
|
||
|
|
\textfont0 = \tenrm \textfont1 = \teni \textfont2 = \tensy
|
||
|
|
\textfont\itfam = \tenit \textfont\slfam = \tensl \textfont\bffam = \tenbf
|
||
|
|
\textfont\ttfam = \tentt \textfont\sffam = \tensf
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
% 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.
|
||
|
|
\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
|
||
|
|
\resetmathfonts}
|
||
|
|
\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
|
||
|
|
\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
|
||
|
|
\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
|
||
|
|
\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
|
||
|
|
\resetmathfonts \setleading{15pt}}
|
||
|
|
\let\subsubsecfonts = \subsecfonts % Maybe make sssec fonts scaled magstephalf?
|
||
|
|
\def\indexfonts{%
|
||
|
|
\let\tenrm=\indrm \let\tenit=\indit \let\tensl=\indsl
|
||
|
|
\let\tenbf=\indbf \let\tentt=\indtt \let\smallcaps=\indsc
|
||
|
|
\let\tensf=\indsf \let\teni=\indi \let\tensy=\indsy \let\tenttsl=\indttsl
|
||
|
|
\resetmathfonts \setleading{12pt}}
|
||
|
|
|
||
|
|
% Set up the default fonts, so we can use them for creating boxes.
|
||
|
|
%
|
||
|
|
\textfonts
|
||
|
|
|
||
|
|
% Define these so they can be easily changed for other fonts.
|
||
|
|
\def\angleleft{$\langle$}
|
||
|
|
\def\angleright{$\rangle$}
|
||
|
|
|
||
|
|
% Count depth in font-changes, for error checks
|
||
|
|
\newcount\fontdepth \fontdepth=0
|
||
|
|
|
||
|
|
% Fonts for short table of contents.
|
||
|
|
\setfont\shortcontrm\rmshape{12}{1000}
|
||
|
|
\setfont\shortcontbf\bxshape{12}{1000}
|
||
|
|
\setfont\shortcontsl\slshape{12}{1000}
|
||
|
|
|
||
|
|
%% Add scribe-like font environments, plus @l for inline lisp (usually sans
|
||
|
|
%% serif) and @ii for TeX italic
|
||
|
|
|
||
|
|
% \smartitalic{ARG} outputs arg in italics, followed by an italic correction
|
||
|
|
% unless the following character is such as not to need one.
|
||
|
|
\def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else\/\fi\fi\fi}
|
||
|
|
\def\smartslanted#1{{\sl #1}\futurelet\next\smartitalicx}
|
||
|
|
\def\smartitalic#1{{\it #1}\futurelet\next\smartitalicx}
|
||
|
|
|
||
|
|
\let\i=\smartitalic
|
||
|
|
\let\var=\smartslanted
|
||
|
|
\let\dfn=\smartslanted
|
||
|
|
\let\emph=\smartitalic
|
||
|
|
\let\cite=\smartslanted
|
||
|
|
|
||
|
|
\def\b#1{{\bf #1}}
|
||
|
|
\let\strong=\b
|
||
|
|
|
||
|
|
% We can't just use \exhyphenpenalty, because that only has effect at
|
||
|
|
% the end of a paragraph. Restore normal hyphenation at the end of the
|
||
|
|
% group within which \nohyphenation is presumably called.
|
||
|
|
%
|
||
|
|
\def\nohyphenation{\hyphenchar\font = -1 \aftergroup\restorehyphenation}
|
||
|
|
\def\restorehyphenation{\hyphenchar\font = `- }
|
||
|
|
|
||
|
|
\def\t#1{%
|
||
|
|
{\tt \rawbackslash \frenchspacing #1}%
|
||
|
|
\null
|
||
|
|
}
|
||
|
|
\let\ttfont=\t
|
||
|
|
\def\samp#1{`\tclose{#1}'\null}
|
||
|
|
\setfont\smallrm\rmshape{8}{1000}
|
||
|
|
\font\smallsy=cmsy9
|
||
|
|
\def\key#1{{\smallrm\textfont2=\smallsy \leavevmode\hbox{%
|
||
|
|
\raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{%
|
||
|
|
\vbox{\hrule\kern-0.4pt
|
||
|
|
\hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}%
|
||
|
|
\kern-0.4pt\hrule}%
|
||
|
|
\kern-.06em\raise0.4pt\hbox{\angleright}}}}
|
||
|
|
% The old definition, with no lozenge:
|
||
|
|
%\def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null}
|
||
|
|
\def\ctrl #1{{\tt \rawbackslash \hat}#1}
|
||
|
|
|
||
|
|
% @file, @option are the same as @samp.
|
||
|
|
\let\file=\samp
|
||
|
|
\let\option=\samp
|
||
|
|
|
||
|
|
% @code is a modification of @t,
|
||
|
|
% which makes spaces the same size as normal in the surrounding text.
|
||
|
|
\def\tclose#1{%
|
||
|
|
{%
|
||
|
|
% Change normal interword space to be same as for the current font.
|
||
|
|
\spaceskip = \fontdimen2\font
|
||
|
|
%
|
||
|
|
% Switch to typewriter.
|
||
|
|
\tt
|
||
|
|
%
|
||
|
|
% But `\ ' produces the large typewriter interword space.
|
||
|
|
\def\ {{\spaceskip = 0pt{} }}%
|
||
|
|
%
|
||
|
|
% Turn off hyphenation.
|
||
|
|
\nohyphenation
|
||
|
|
%
|
||
|
|
\rawbackslash
|
||
|
|
\frenchspacing
|
||
|
|
#1%
|
||
|
|
}%
|
||
|
|
\null
|
||
|
|
}
|
||
|
|
|
||
|
|
% 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.
|
||
|
|
|
||
|
|
% Unfortunately, TeX uses one parameter (\hyphenchar) to control
|
||
|
|
% both hyphenation at - and hyphenation within words.
|
||
|
|
% We must therefore turn them both off (\tclose does that)
|
||
|
|
% and arrange explicitly to hyphenate at a dash.
|
||
|
|
% -- rms.
|
||
|
|
{
|
||
|
|
\catcode`\-=\active
|
||
|
|
\catcode`\_=\active
|
||
|
|
%
|
||
|
|
\global\def\code{\begingroup
|
||
|
|
\catcode`\-=\active \let-\codedash
|
||
|
|
\catcode`\_=\active \let_\codeunder
|
||
|
|
\codex
|
||
|
|
}
|
||
|
|
%
|
||
|
|
% If we end up with any active - characters when handling the index,
|
||
|
|
% just treat them as a normal -.
|
||
|
|
\global\def\indexbreaks{\catcode`\-=\active \let-\realdash}
|
||
|
|
}
|
||
|
|
|
||
|
|
\def\realdash{-}
|
||
|
|
\def\codedash{-\discretionary{}{}{}}
|
||
|
|
\def\codeunder{\ifusingtt{\normalunderscore\discretionary{}{}{}}{\_}}
|
||
|
|
\def\codex #1{\tclose{#1}\endgroup}
|
||
|
|
|
||
|
|
%\let\exp=\tclose %Was temporary
|
||
|
|
|
||
|
|
% @kbd is like @code, except that if the argument is just one @key command,
|
||
|
|
% then @kbd has no effect.
|
||
|
|
|
||
|
|
% @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always),
|
||
|
|
% `example' (@kbd uses ttsl only inside of @example and friends),
|
||
|
|
% or `code' (@kbd uses normal tty font always).
|
||
|
|
\def\kbdinputstyle{\parsearg\kbdinputstylexxx}
|
||
|
|
\def\kbdinputstylexxx#1{%
|
||
|
|
\def\arg{#1}%
|
||
|
|
\ifx\arg\worddistinct
|
||
|
|
\gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}%
|
||
|
|
\else\ifx\arg\wordexample
|
||
|
|
\gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}%
|
||
|
|
\else\ifx\arg\wordcode
|
||
|
|
\gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}%
|
||
|
|
\fi\fi\fi
|
||
|
|
}
|
||
|
|
\def\worddistinct{distinct}
|
||
|
|
\def\wordexample{example}
|
||
|
|
\def\wordcode{code}
|
||
|
|
|
||
|
|
% Default is kbdinputdistinct. (Too much of a hassle to call the macro,
|
||
|
|
% the catcodes are wrong for parsearg to work.)
|
||
|
|
\gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}
|
||
|
|
|
||
|
|
\def\xkey{\key}
|
||
|
|
\def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}%
|
||
|
|
\ifx\one\xkey\ifx\threex\three \key{#2}%
|
||
|
|
\else{\tclose{\kbdfont\look}}\fi
|
||
|
|
\else{\tclose{\kbdfont\look}}\fi}
|
||
|
|
|
||
|
|
% For @url, @env, @command quotes seem unnecessary, so use \code.
|
||
|
|
\let\url=\code
|
||
|
|
\let\env=\code
|
||
|
|
\let\command=\code
|
||
|
|
|
||
|
|
% @uref (abbreviation for `urlref') takes an optional second argument
|
||
|
|
% specifying the text to display. First (mandatory) arg is the url.
|
||
|
|
% Perhaps eventually put in a hypertex \special here.
|
||
|
|
%
|
||
|
|
\def\uref#1{\urefxxx #1,,\finish}
|
||
|
|
\def\urefxxx#1,#2,#3\finish{%
|
||
|
|
\setbox0 = \hbox{\ignorespaces #2}%
|
||
|
|
\ifdim\wd0 > 0pt
|
||
|
|
\unhbox0\ (\code{#1})%
|
||
|
|
\else
|
||
|
|
\code{#1}%
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% rms does not like the angle brackets --karl, 17may97.
|
||
|
|
% So now @email is just like @uref.
|
||
|
|
%\def\email#1{\angleleft{\tt #1}\angleright}
|
||
|
|
\let\email=\uref
|
||
|
|
|
||
|
|
% Check if we are currently using a typewriter font. Since all the
|
||
|
|
% Computer Modern typewriter fonts have zero interword stretch (and
|
||
|
|
% shrink), and it is reasonable to expect all typewriter fonts to have
|
||
|
|
% this property, we can check that font parameter.
|
||
|
|
%
|
||
|
|
\def\ifmonospace{\ifdim\fontdimen3\font=0pt }
|
||
|
|
|
||
|
|
% Typeset a dimension, e.g., `in' or `pt'. The only reason for the
|
||
|
|
% argument is to make the input look right: @dmn{pt} instead of @dmn{}pt.
|
||
|
|
%
|
||
|
|
\def\dmn#1{\thinspace #1}
|
||
|
|
|
||
|
|
\def\kbd#1{\def\look{#1}\expandafter\kbdfoo\look??\par}
|
||
|
|
|
||
|
|
% @l was never documented to mean ``switch to the Lisp font'',
|
||
|
|
% and it is not used as such in any manual I can find. We need it for
|
||
|
|
% Polish suppressed-l. --karl, 22sep96.
|
||
|
|
%\def\l#1{{\li #1}\null}
|
||
|
|
|
||
|
|
% Explicit font changes: @r, @sc, undocumented @ii.
|
||
|
|
\def\r#1{{\rm #1}} % roman font
|
||
|
|
\def\sc#1{{\smallcaps#1}} % smallcaps font
|
||
|
|
\def\ii#1{{\it #1}} % italic font
|
||
|
|
|
||
|
|
% @acronym downcases the argument and prints in smallcaps.
|
||
|
|
\def\acronym#1{{\smallcaps \lowercase{#1}}}
|
||
|
|
|
||
|
|
% @pounds{} is a sterling sign.
|
||
|
|
\def\pounds{{\it\$}}
|
||
|
|
|
||
|
|
|
||
|
|
\message{page headings,}
|
||
|
|
|
||
|
|
\newskip\titlepagetopglue \titlepagetopglue = 1.5in
|
||
|
|
\newskip\titlepagebottomglue \titlepagebottomglue = 2pc
|
||
|
|
|
||
|
|
% First the title page. Must do @settitle before @titlepage.
|
||
|
|
\newif\ifseenauthor
|
||
|
|
\newif\iffinishedtitlepage
|
||
|
|
|
||
|
|
% Do an implicit @contents or @shortcontents after @end titlepage if the
|
||
|
|
% user says @contentsaftertitlepage or @shortcontentsaftertitlepage.
|
||
|
|
%
|
||
|
|
\newif\ifsetcontentsaftertitlepage
|
||
|
|
\let\setcontentsaftertitlepage = \setcontentsaftertitlepagetrue
|
||
|
|
\newif\ifsetshortcontentsaftertitlepage
|
||
|
|
\let\setshortcontentsaftertitlepage = \setshortcontentsaftertitlepagetrue
|
||
|
|
|
||
|
|
\def\shorttitlepage{\parsearg\shorttitlepagezzz}
|
||
|
|
\def\shorttitlepagezzz #1{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}%
|
||
|
|
\endgroup\page\hbox{}\page}
|
||
|
|
|
||
|
|
\def\titlepage{\begingroup \parindent=0pt \textfonts
|
||
|
|
\let\subtitlerm=\tenrm
|
||
|
|
\def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}%
|
||
|
|
%
|
||
|
|
\def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines}%
|
||
|
|
%
|
||
|
|
% Leave some space at the very top of the page.
|
||
|
|
\vglue\titlepagetopglue
|
||
|
|
%
|
||
|
|
% Now you can print the title using @title.
|
||
|
|
\def\title{\parsearg\titlezzz}%
|
||
|
|
\def\titlezzz##1{\leftline{\titlefonts\rm ##1}
|
||
|
|
% print a rule at the page bottom also.
|
||
|
|
\finishedtitlepagefalse
|
||
|
|
\vskip4pt \hrule height 4pt width \hsize \vskip4pt}%
|
||
|
|
% No rule at page bottom unless we print one at the top with @title.
|
||
|
|
\finishedtitlepagetrue
|
||
|
|
%
|
||
|
|
% Now you can put text using @subtitle.
|
||
|
|
\def\subtitle{\parsearg\subtitlezzz}%
|
||
|
|
\def\subtitlezzz##1{{\subtitlefont \rightline{##1}}}%
|
||
|
|
%
|
||
|
|
% @author should come last, but may come many times.
|
||
|
|
\def\author{\parsearg\authorzzz}%
|
||
|
|
\def\authorzzz##1{\ifseenauthor\else\vskip 0pt plus 1filll\seenauthortrue\fi
|
||
|
|
{\authorfont \leftline{##1}}}%
|
||
|
|
%
|
||
|
|
% 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
|
||
|
|
\oldpage
|
||
|
|
\let\page = \oldpage
|
||
|
|
\hbox{}}%
|
||
|
|
% \def\page{\oldpage \hbox{}}
|
||
|
|
}
|
||
|
|
|
||
|
|
\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
|
||
|
|
%
|
||
|
|
% If they want short, they certainly want long too.
|
||
|
|
\ifsetshortcontentsaftertitlepage
|
||
|
|
\shortcontents
|
||
|
|
\contents
|
||
|
|
\global\let\shortcontents = \relax
|
||
|
|
\global\let\contents = \relax
|
||
|
|
\fi
|
||
|
|
%
|
||
|
|
\ifsetcontentsaftertitlepage
|
||
|
|
\contents
|
||
|
|
\global\let\contents = \relax
|
||
|
|
\global\let\shortcontents = \relax
|
||
|
|
\fi
|
||
|
|
%
|
||
|
|
\HEADINGSon
|
||
|
|
}
|
||
|
|
|
||
|
|
\def\finishtitlepage{%
|
||
|
|
\vskip4pt \hrule height 2pt width \hsize
|
||
|
|
\vskip\titlepagebottomglue
|
||
|
|
\finishedtitlepagetrue
|
||
|
|
}
|
||
|
|
|
||
|
|
%%% Set up page headings and footings.
|
||
|
|
|
||
|
|
\let\thispage=\folio
|
||
|
|
|
||
|
|
\newtoks\evenheadline % headline on even pages
|
||
|
|
\newtoks\oddheadline % headline on odd pages
|
||
|
|
\newtoks\evenfootline % footline on even pages
|
||
|
|
\newtoks\oddfootline % footline on odd pages
|
||
|
|
|
||
|
|
% Now make Tex use those variables
|
||
|
|
\headline={{\textfonts\rm \ifodd\pageno \the\oddheadline
|
||
|
|
\else \the\evenheadline \fi}}
|
||
|
|
\footline={{\textfonts\rm \ifodd\pageno \the\oddfootline
|
||
|
|
\else \the\evenfootline \fi}\HEADINGShook}
|
||
|
|
\let\HEADINGShook=\relax
|
||
|
|
|
||
|
|
% Commands to set those variables.
|
||
|
|
% For example, this is what @headings on does
|
||
|
|
% @evenheading @thistitle|@thispage|@thischapter
|
||
|
|
% @oddheading @thischapter|@thispage|@thistitle
|
||
|
|
% @evenfooting @thisfile||
|
||
|
|
% @oddfooting ||@thisfile
|
||
|
|
|
||
|
|
\def\evenheading{\parsearg\evenheadingxxx}
|
||
|
|
\def\oddheading{\parsearg\oddheadingxxx}
|
||
|
|
\def\everyheading{\parsearg\everyheadingxxx}
|
||
|
|
|
||
|
|
\def\evenfooting{\parsearg\evenfootingxxx}
|
||
|
|
\def\oddfooting{\parsearg\oddfootingxxx}
|
||
|
|
\def\everyfooting{\parsearg\everyfootingxxx}
|
||
|
|
|
||
|
|
{\catcode`\@=0 %
|
||
|
|
|
||
|
|
\gdef\evenheadingxxx #1{\evenheadingyyy #1@|@|@|@|\finish}
|
||
|
|
\gdef\evenheadingyyy #1@|#2@|#3@|#4\finish{%
|
||
|
|
\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
|
||
|
|
|
||
|
|
\gdef\oddheadingxxx #1{\oddheadingyyy #1@|@|@|@|\finish}
|
||
|
|
\gdef\oddheadingyyy #1@|#2@|#3@|#4\finish{%
|
||
|
|
\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
|
||
|
|
|
||
|
|
\gdef\everyheadingxxx#1{\oddheadingxxx{#1}\evenheadingxxx{#1}}%
|
||
|
|
|
||
|
|
\gdef\evenfootingxxx #1{\evenfootingyyy #1@|@|@|@|\finish}
|
||
|
|
\gdef\evenfootingyyy #1@|#2@|#3@|#4\finish{%
|
||
|
|
\global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
|
||
|
|
|
||
|
|
\gdef\oddfootingxxx #1{\oddfootingyyy #1@|@|@|@|\finish}
|
||
|
|
\gdef\oddfootingyyy #1@|#2@|#3@|#4\finish{%
|
||
|
|
\global\oddfootline = {\rlap{\centerline{#2}}\line{#1\hfil#3}}%
|
||
|
|
%
|
||
|
|
% Leave some space for the footline. Hopefully ok to assume
|
||
|
|
% @evenfooting will not be used by itself.
|
||
|
|
\global\advance\pageheight by -\baselineskip
|
||
|
|
\global\advance\vsize by -\baselineskip
|
||
|
|
}
|
||
|
|
|
||
|
|
\gdef\everyfootingxxx#1{\oddfootingxxx{#1}\evenfootingxxx{#1}}
|
||
|
|
%
|
||
|
|
}% unbind the catcode of @.
|
||
|
|
|
||
|
|
% @headings double turns headings on for double-sided printing.
|
||
|
|
% @headings single turns headings on for single-sided printing.
|
||
|
|
% @headings off turns them off.
|
||
|
|
% @headings on same as @headings double, retained for compatibility.
|
||
|
|
% @headings after turns on double-sided headings after this page.
|
||
|
|
% @headings doubleafter turns on double-sided headings after this page.
|
||
|
|
% @headings singleafter turns on single-sided headings after this page.
|
||
|
|
% By default, they are off at the start of a document,
|
||
|
|
% and turned `on' after @end titlepage.
|
||
|
|
|
||
|
|
\def\headings #1 {\csname HEADINGS#1\endcsname}
|
||
|
|
|
||
|
|
\def\HEADINGSoff{
|
||
|
|
\global\evenheadline={\hfil} \global\evenfootline={\hfil}
|
||
|
|
\global\oddheadline={\hfil} \global\oddfootline={\hfil}}
|
||
|
|
\HEADINGSoff
|
||
|
|
% When we turn headings on, set the page number to 1.
|
||
|
|
% For double-sided printing, put current file name in lower left corner,
|
||
|
|
% chapter name on inside top of right hand pages, document
|
||
|
|
% title on inside top of left hand pages, and page numbers on outside top
|
||
|
|
% edge of all pages.
|
||
|
|
\def\HEADINGSdouble{
|
||
|
|
\global\pageno=1
|
||
|
|
\global\evenfootline={\hfil}
|
||
|
|
\global\oddfootline={\hfil}
|
||
|
|
\global\evenheadline={\line{\folio\hfil\thistitle}}
|
||
|
|
\global\oddheadline={\line{\thischapter\hfil\folio}}
|
||
|
|
\global\let\contentsalignmacro = \chapoddpage
|
||
|
|
}
|
||
|
|
\let\contentsalignmacro = \chappager
|
||
|
|
|
||
|
|
% For single-sided printing, chapter title goes across top left of page,
|
||
|
|
% page number on top right.
|
||
|
|
\def\HEADINGSsingle{
|
||
|
|
\global\pageno=1
|
||
|
|
\global\evenfootline={\hfil}
|
||
|
|
\global\oddfootline={\hfil}
|
||
|
|
\global\evenheadline={\line{\thischapter\hfil\folio}}
|
||
|
|
\global\oddheadline={\line{\thischapter\hfil\folio}}
|
||
|
|
\global\let\contentsalignmacro = \chappager
|
||
|
|
}
|
||
|
|
\def\HEADINGSon{\HEADINGSdouble}
|
||
|
|
|
||
|
|
\def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex}
|
||
|
|
\let\HEADINGSdoubleafter=\HEADINGSafter
|
||
|
|
\def\HEADINGSdoublex{%
|
||
|
|
\global\evenfootline={\hfil}
|
||
|
|
\global\oddfootline={\hfil}
|
||
|
|
\global\evenheadline={\line{\folio\hfil\thistitle}}
|
||
|
|
\global\oddheadline={\line{\thischapter\hfil\folio}}
|
||
|
|
\global\let\contentsalignmacro = \chapoddpage
|
||
|
|
}
|
||
|
|
|
||
|
|
\def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex}
|
||
|
|
\def\HEADINGSsinglex{%
|
||
|
|
\global\evenfootline={\hfil}
|
||
|
|
\global\oddfootline={\hfil}
|
||
|
|
\global\evenheadline={\line{\thischapter\hfil\folio}}
|
||
|
|
\global\oddheadline={\line{\thischapter\hfil\folio}}
|
||
|
|
\global\let\contentsalignmacro = \chappager
|
||
|
|
}
|
||
|
|
|
||
|
|
% Subroutines used in generating headings
|
||
|
|
% Produces Day Month Year style of output.
|
||
|
|
\def\today{\number\day\space
|
||
|
|
\ifcase\month\or
|
||
|
|
January\or February\or March\or April\or May\or June\or
|
||
|
|
July\or August\or September\or October\or November\or December\fi
|
||
|
|
\space\number\year}
|
||
|
|
|
||
|
|
% Use this if you want the Month Day, Year style of output.
|
||
|
|
%\def\today{\ifcase\month\or
|
||
|
|
%January\or February\or March\or April\or May\or June\or
|
||
|
|
%July\or August\or September\or October\or November\or December\fi
|
||
|
|
%\space\number\day, \number\year}
|
||
|
|
|
||
|
|
% @settitle line... specifies the title of the document, for headings
|
||
|
|
% It generates no output of its own
|
||
|
|
|
||
|
|
\def\thistitle{No Title}
|
||
|
|
\def\settitle{\parsearg\settitlezzz}
|
||
|
|
\def\settitlezzz #1{\gdef\thistitle{#1}}
|
||
|
|
|
||
|
|
|
||
|
|
\message{tables,}
|
||
|
|
% Tables -- @table, @ftable, @vtable, @item(x), @kitem(x), @xitem(x).
|
||
|
|
|
||
|
|
% default indentation of table text
|
||
|
|
\newdimen\tableindent \tableindent=.8in
|
||
|
|
% default indentation of @itemize and @enumerate text
|
||
|
|
\newdimen\itemindent \itemindent=.3in
|
||
|
|
% margin between end of table item and start of table text.
|
||
|
|
\newdimen\itemmargin \itemmargin=.1in
|
||
|
|
|
||
|
|
% used internally for \itemindent minus \itemmargin
|
||
|
|
\newdimen\itemmax
|
||
|
|
|
||
|
|
% Note @table, @vtable, and @vtable define @item, @itemx, etc., with
|
||
|
|
% these defs.
|
||
|
|
% They also define \itemindex
|
||
|
|
% to index the item name in whatever manner is desired (perhaps none).
|
||
|
|
|
||
|
|
\newif\ifitemxneedsnegativevskip
|
||
|
|
|
||
|
|
\def\itemxpar{\par\ifitemxneedsnegativevskip\nobreak\vskip-\parskip\nobreak\fi}
|
||
|
|
|
||
|
|
\def\internalBitem{\smallbreak \parsearg\itemzzz}
|
||
|
|
\def\internalBitemx{\itemxpar \parsearg\itemzzz}
|
||
|
|
|
||
|
|
\def\internalBxitem "#1"{\def\xitemsubtopix{#1} \smallbreak \parsearg\xitemzzz}
|
||
|
|
\def\internalBxitemx "#1"{\def\xitemsubtopix{#1} \itemxpar \parsearg\xitemzzz}
|
||
|
|
|
||
|
|
\def\internalBkitem{\smallbreak \parsearg\kitemzzz}
|
||
|
|
\def\internalBkitemx{\itemxpar \parsearg\kitemzzz}
|
||
|
|
|
||
|
|
\def\kitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \lastfunction}}%
|
||
|
|
\itemzzz {#1}}
|
||
|
|
|
||
|
|
\def\xitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \xitemsubtopic}}%
|
||
|
|
\itemzzz {#1}}
|
||
|
|
|
||
|
|
\def\itemzzz #1{\begingroup %
|
||
|
|
\advance\hsize by -\rightskip
|
||
|
|
\advance\hsize by -\tableindent
|
||
|
|
\setbox0=\hbox{\itemfont{#1}}%
|
||
|
|
\itemindex{#1}%
|
||
|
|
\nobreak % This prevents a break before @itemx.
|
||
|
|
%
|
||
|
|
% If the item text does not fit in the space we have, put it on a line
|
||
|
|
% by itself, and do not allow a page break either before or after that
|
||
|
|
% line. We do not start a paragraph here because then if the next
|
||
|
|
% command is, e.g., @kindex, the whatsit would get put into the
|
||
|
|
% horizontal list on a line by itself, resulting in extra blank space.
|
||
|
|
\ifdim \wd0>\itemmax
|
||
|
|
%
|
||
|
|
% Make this a paragraph so we get the \parskip glue and wrapping,
|
||
|
|
% but leave it ragged-right.
|
||
|
|
\begingroup
|
||
|
|
\advance\leftskip by-\tableindent
|
||
|
|
\advance\hsize by\tableindent
|
||
|
|
\advance\rightskip by0pt plus1fil
|
||
|
|
\leavevmode\unhbox0\par
|
||
|
|
\endgroup
|
||
|
|
%
|
||
|
|
% We're going to be starting a paragraph, but we don't want the
|
||
|
|
% \parskip glue -- logically it's part of the @item we just started.
|
||
|
|
\nobreak \vskip-\parskip
|
||
|
|
%
|
||
|
|
% Stop a page break at the \parskip glue coming up. Unfortunately
|
||
|
|
% we can't prevent a possible page break at the following
|
||
|
|
% \baselineskip glue.
|
||
|
|
\nobreak
|
||
|
|
\endgroup
|
||
|
|
\itemxneedsnegativevskipfalse
|
||
|
|
\else
|
||
|
|
% The item text fits into the space. Start a paragraph, so that the
|
||
|
|
% following text (if any) will end up on the same line.
|
||
|
|
\noindent
|
||
|
|
% Do this with kerns and \unhbox so that if there is a footnote in
|
||
|
|
% the item text, it can migrate to the main vertical list and
|
||
|
|
% eventually be printed.
|
||
|
|
\nobreak\kern-\tableindent
|
||
|
|
\dimen0 = \itemmax \advance\dimen0 by \itemmargin \advance\dimen0 by -\wd0
|
||
|
|
\unhbox0
|
||
|
|
\nobreak\kern\dimen0
|
||
|
|
\endgroup
|
||
|
|
\itemxneedsnegativevskiptrue
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
\def\item{\errmessage{@item while not in a table}}
|
||
|
|
\def\itemx{\errmessage{@itemx while not in a table}}
|
||
|
|
\def\kitem{\errmessage{@kitem while not in a table}}
|
||
|
|
\def\kitemx{\errmessage{@kitemx while not in a table}}
|
||
|
|
\def\xitem{\errmessage{@xitem while not in a table}}
|
||
|
|
\def\xitemx{\errmessage{@xitemx while not in a table}}
|
||
|
|
|
||
|
|
% Contains a kludge to get @end[description] to work.
|
||
|
|
\def\description{\tablez{\dontindex}{1}{}{}{}{}}
|
||
|
|
|
||
|
|
% @table, @ftable, @vtable.
|
||
|
|
\def\table{\begingroup\inENV\obeylines\obeyspaces\tablex}
|
||
|
|
{\obeylines\obeyspaces%
|
||
|
|
\gdef\tablex #1^^M{%
|
||
|
|
\tabley\dontindex#1 \endtabley}}
|
||
|
|
|
||
|
|
\def\ftable{\begingroup\inENV\obeylines\obeyspaces\ftablex}
|
||
|
|
{\obeylines\obeyspaces%
|
||
|
|
\gdef\ftablex #1^^M{%
|
||
|
|
\tabley\fnitemindex#1 \endtabley
|
||
|
|
\def\Eftable{\endgraf\afterenvbreak\endgroup}%
|
||
|
|
\let\Etable=\relax}}
|
||
|
|
|
||
|
|
\def\vtable{\begingroup\inENV\obeylines\obeyspaces\vtablex}
|
||
|
|
{\obeylines\obeyspaces%
|
||
|
|
\gdef\vtablex #1^^M{%
|
||
|
|
\tabley\vritemindex#1 \endtabley
|
||
|
|
\def\Evtable{\endgraf\afterenvbreak\endgroup}%
|
||
|
|
\let\Etable=\relax}}
|
||
|
|
|
||
|
|
\def\dontindex #1{}
|
||
|
|
\def\fnitemindex #1{\doind {fn}{\code{#1}}}%
|
||
|
|
\def\vritemindex #1{\doind {vr}{\code{#1}}}%
|
||
|
|
|
||
|
|
{\obeyspaces %
|
||
|
|
\gdef\tabley#1#2 #3 #4 #5 #6 #7\endtabley{\endgroup%
|
||
|
|
\tablez{#1}{#2}{#3}{#4}{#5}{#6}}}
|
||
|
|
|
||
|
|
\def\tablez #1#2#3#4#5#6{%
|
||
|
|
\aboveenvbreak %
|
||
|
|
\begingroup %
|
||
|
|
\def\Edescription{\Etable}% Necessary kludge.
|
||
|
|
\let\itemindex=#1%
|
||
|
|
\ifnum 0#3>0 \advance \leftskip by #3\mil \fi %
|
||
|
|
\ifnum 0#4>0 \tableindent=#4\mil \fi %
|
||
|
|
\ifnum 0#5>0 \advance \rightskip by #5\mil \fi %
|
||
|
|
\def\itemfont{#2}%
|
||
|
|
\itemmax=\tableindent %
|
||
|
|
\advance \itemmax by -\itemmargin %
|
||
|
|
\advance \leftskip by \tableindent %
|
||
|
|
\exdentamount=\tableindent
|
||
|
|
\parindent = 0pt
|
||
|
|
\parskip = \smallskipamount
|
||
|
|
\ifdim \parskip=0pt \parskip=2pt \fi%
|
||
|
|
\def\Etable{\endgraf\afterenvbreak\endgroup}%
|
||
|
|
\let\item = \internalBitem %
|
||
|
|
\let\itemx = \internalBitemx %
|
||
|
|
\let\kitem = \internalBkitem %
|
||
|
|
\let\kitemx = \internalBkitemx %
|
||
|
|
\let\xitem = \internalBxitem %
|
||
|
|
\let\xitemx = \internalBxitemx %
|
||
|
|
}
|
||
|
|
|
||
|
|
% This is the counter used by @enumerate, which is really @itemize
|
||
|
|
|
||
|
|
\newcount \itemno
|
||
|
|
|
||
|
|
\def\itemize{\parsearg\itemizezzz}
|
||
|
|
|
||
|
|
\def\itemizezzz #1{%
|
||
|
|
\begingroup % ended by the @end itemize
|
||
|
|
\itemizey {#1}{\Eitemize}
|
||
|
|
}
|
||
|
|
|
||
|
|
\def\itemizey #1#2{%
|
||
|
|
\aboveenvbreak %
|
||
|
|
\itemmax=\itemindent %
|
||
|
|
\advance \itemmax by -\itemmargin %
|
||
|
|
\advance \leftskip by \itemindent %
|
||
|
|
\exdentamount=\itemindent
|
||
|
|
\parindent = 0pt %
|
||
|
|
\parskip = \smallskipamount %
|
||
|
|
\ifdim \parskip=0pt \parskip=2pt \fi%
|
||
|
|
\def#2{\endgraf\afterenvbreak\endgroup}%
|
||
|
|
\def\itemcontents{#1}%
|
||
|
|
\let\item=\itemizeitem}
|
||
|
|
|
||
|
|
% Set sfcode to normal for the chars that usually have another value.
|
||
|
|
% These are `.?!:;,'
|
||
|
|
\def\frenchspacing{\sfcode46=1000 \sfcode63=1000 \sfcode33=1000
|
||
|
|
\sfcode58=1000 \sfcode59=1000 \sfcode44=1000 }
|
||
|
|
|
||
|
|
% \splitoff TOKENS\endmark defines \first to be the first token in
|
||
|
|
% TOKENS, and \rest to be the remainder.
|
||
|
|
%
|
||
|
|
\def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}%
|
||
|
|
|
||
|
|
% Allow an optional argument of an uppercase letter, lowercase letter,
|
||
|
|
% or number, to specify the first label in the enumerated list. No
|
||
|
|
% argument is the same as `1'.
|
||
|
|
%
|
||
|
|
\def\enumerate{\parsearg\enumeratezzz}
|
||
|
|
\def\enumeratezzz #1{\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
|
||
|
|
%
|
||
|
|
% Detect if the argument is a single token. If so, it might be a
|
||
|
|
% letter. Otherwise, the only valid thing it can be is a number.
|
||
|
|
% (We will always have one token, because of the test we just made.
|
||
|
|
% This is a good thing, since \splitoff doesn't work given nothing at
|
||
|
|
% all -- the first parameter is undelimited.)
|
||
|
|
\expandafter\splitoff\thearg\endmark
|
||
|
|
\ifx\rest\empty
|
||
|
|
% Only one token in the argument. It could still be anything.
|
||
|
|
% A ``lowercase letter'' is one whose \lccode is nonzero.
|
||
|
|
% An ``uppercase letter'' is one whose \lccode is both nonzero, and
|
||
|
|
% not equal to itself.
|
||
|
|
% Otherwise, we assume it's a number.
|
||
|
|
%
|
||
|
|
% We need the \relax at the end of the \ifnum lines to stop TeX from
|
||
|
|
% continuing to look for a <number>.
|
||
|
|
%
|
||
|
|
\ifnum\lccode\expandafter`\thearg=0\relax
|
||
|
|
\numericenumerate % a number (we hope)
|
||
|
|
\else
|
||
|
|
% It's a letter.
|
||
|
|
\ifnum\lccode\expandafter`\thearg=\expandafter`\thearg\relax
|
||
|
|
\lowercaseenumerate % lowercase letter
|
||
|
|
\else
|
||
|
|
\uppercaseenumerate % uppercase letter
|
||
|
|
\fi
|
||
|
|
\fi
|
||
|
|
\else
|
||
|
|
% Multiple tokens in the argument. We hope it's a number.
|
||
|
|
\numericenumerate
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% An @enumerate whose labels are integers. The starting integer is
|
||
|
|
% given in \thearg.
|
||
|
|
%
|
||
|
|
\def\numericenumerate{%
|
||
|
|
\itemno = \thearg
|
||
|
|
\startenumeration{\the\itemno}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% The starting (lowercase) letter is in \thearg.
|
||
|
|
\def\lowercaseenumerate{%
|
||
|
|
\itemno = \expandafter`\thearg
|
||
|
|
\startenumeration{%
|
||
|
|
% Be sure we're not beyond the end of the alphabet.
|
||
|
|
\ifnum\itemno=0
|
||
|
|
\errmessage{No more lowercase letters in @enumerate; get a bigger
|
||
|
|
alphabet}%
|
||
|
|
\fi
|
||
|
|
\char\lccode\itemno
|
||
|
|
}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% The starting (uppercase) letter is in \thearg.
|
||
|
|
\def\uppercaseenumerate{%
|
||
|
|
\itemno = \expandafter`\thearg
|
||
|
|
\startenumeration{%
|
||
|
|
% Be sure we're not beyond the end of the alphabet.
|
||
|
|
\ifnum\itemno=0
|
||
|
|
\errmessage{No more uppercase letters in @enumerate; get a bigger
|
||
|
|
alphabet}
|
||
|
|
\fi
|
||
|
|
\char\uccode\itemno
|
||
|
|
}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% Call itemizey, 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
|
||
|
|
}
|
||
|
|
|
||
|
|
% @alphaenumerate and @capsenumerate are abbreviations for giving an arg
|
||
|
|
% to @enumerate.
|
||
|
|
%
|
||
|
|
\def\alphaenumerate{\enumerate{a}}
|
||
|
|
\def\capsenumerate{\enumerate{A}}
|
||
|
|
\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
|
||
|
|
%
|
||
|
|
% @multitable ... @end multitable will make as many columns as desired.
|
||
|
|
% Contents of each column will wrap at width given in preamble. Width
|
||
|
|
% can be specified either with sample text given in a template line,
|
||
|
|
% or in percent of \hsize, the current width of text on page.
|
||
|
|
|
||
|
|
% Table can continue over pages but will only break between lines.
|
||
|
|
|
||
|
|
% To make preamble:
|
||
|
|
%
|
||
|
|
% Either define widths of columns in terms of percent of \hsize:
|
||
|
|
% @multitable @columnfractions .25 .3 .45
|
||
|
|
% @item ...
|
||
|
|
%
|
||
|
|
% Numbers following @columnfractions are the percent of the total
|
||
|
|
% current hsize to be used for each column. You may use as many
|
||
|
|
% columns as desired.
|
||
|
|
|
||
|
|
|
||
|
|
% Or use a template:
|
||
|
|
% @multitable {Column 1 template} {Column 2 template} {Column 3 template}
|
||
|
|
% @item ...
|
||
|
|
% using the widest term desired in each column.
|
||
|
|
%
|
||
|
|
% For those who want to use more than one line's worth of words in
|
||
|
|
% the preamble, break the line within one argument and it
|
||
|
|
% will parse correctly, i.e.,
|
||
|
|
%
|
||
|
|
% @multitable {Column 1 template} {Column 2 template} {Column 3
|
||
|
|
% template}
|
||
|
|
% Not:
|
||
|
|
% @multitable {Column 1 template} {Column 2 template}
|
||
|
|
% {Column 3 template}
|
||
|
|
|
||
|
|
% Each new table line starts with @item, each subsequent new column
|
||
|
|
% starts with @tab. Empty columns may be produced by supplying @tab's
|
||
|
|
% with nothing between them for as many times as empty columns are needed,
|
||
|
|
% ie, @tab@tab@tab will produce two empty columns.
|
||
|
|
|
||
|
|
% @item, @tab, @multitable or @end multitable do not need to be on their
|
||
|
|
% own lines, but it will not hurt if they are.
|
||
|
|
|
||
|
|
% Sample multitable:
|
||
|
|
|
||
|
|
% @multitable {Column 1 template} {Column 2 template} {Column 3 template}
|
||
|
|
% @item first col stuff @tab second col stuff @tab third col
|
||
|
|
% @item
|
||
|
|
% first col stuff
|
||
|
|
% @tab
|
||
|
|
% second col stuff
|
||
|
|
% @tab
|
||
|
|
% third col
|
||
|
|
% @item first col stuff @tab second col stuff
|
||
|
|
% @tab Many paragraphs of text may be used in any column.
|
||
|
|
%
|
||
|
|
% They will wrap at the width determined by the template.
|
||
|
|
% @item@tab@tab This will be in third column.
|
||
|
|
% @end multitable
|
||
|
|
|
||
|
|
% Default dimensions may be reset by user.
|
||
|
|
% @multitableparskip is vertical space between paragraphs in table.
|
||
|
|
% @multitableparindent is paragraph indent in table.
|
||
|
|
% @multitablecolmargin is horizontal space to be left between columns.
|
||
|
|
% @multitablelinespace is space to leave between table items, baseline
|
||
|
|
% to baseline.
|
||
|
|
% 0pt means it depends on current normal line spacing.
|
||
|
|
%
|
||
|
|
\newskip\multitableparskip
|
||
|
|
\newskip\multitableparindent
|
||
|
|
\newdimen\multitablecolspace
|
||
|
|
\newskip\multitablelinespace
|
||
|
|
\multitableparskip=0pt
|
||
|
|
\multitableparindent=6pt
|
||
|
|
\multitablecolspace=12pt
|
||
|
|
\multitablelinespace=0pt
|
||
|
|
|
||
|
|
% Macros used to set up halign preamble:
|
||
|
|
%
|
||
|
|
\let\endsetuptable\relax
|
||
|
|
\def\xendsetuptable{\endsetuptable}
|
||
|
|
\let\columnfractions\relax
|
||
|
|
\def\xcolumnfractions{\columnfractions}
|
||
|
|
\newif\ifsetpercent
|
||
|
|
|
||
|
|
% 2/1/96, to allow fractions to be given with more than one digit.
|
||
|
|
\def\pickupwholefraction#1 {\global\advance\colcount by1 %
|
||
|
|
\expandafter\xdef\csname col\the\colcount\endcsname{.#1\hsize}%
|
||
|
|
\setuptable}
|
||
|
|
|
||
|
|
\newcount\colcount
|
||
|
|
\def\setuptable#1{\def\firstarg{#1}%
|
||
|
|
\ifx\firstarg\xendsetuptable\let\go\relax%
|
||
|
|
\else
|
||
|
|
\ifx\firstarg\xcolumnfractions\global\setpercenttrue%
|
||
|
|
\else
|
||
|
|
\ifsetpercent
|
||
|
|
\let\go\pickupwholefraction % In this case arg of setuptable
|
||
|
|
% is the decimal point before the
|
||
|
|
% number given in percent of hsize.
|
||
|
|
% We don't need this so we don't use it.
|
||
|
|
\else
|
||
|
|
\global\advance\colcount by1
|
||
|
|
\setbox0=\hbox{#1 }% Add a normal word space as a separator;
|
||
|
|
% typically that is always in the input, anyway.
|
||
|
|
\expandafter\xdef\csname col\the\colcount\endcsname{\the\wd0}%
|
||
|
|
\fi%
|
||
|
|
\fi%
|
||
|
|
\ifx\go\pickupwholefraction\else\let\go\setuptable\fi%
|
||
|
|
\fi\go}
|
||
|
|
|
||
|
|
% multitable syntax
|
||
|
|
\def\tab{&\hskip1sp\relax} % 2/2/96
|
||
|
|
% tiny skip here makes sure this column space is
|
||
|
|
% maintained, even if it is never used.
|
||
|
|
|
||
|
|
% @multitable ... @end multitable definitions:
|
||
|
|
|
||
|
|
\def\multitable{\parsearg\dotable}
|
||
|
|
\def\dotable#1{\bgroup
|
||
|
|
\vskip\parskip
|
||
|
|
\let\item\crcr
|
||
|
|
\tolerance=9500
|
||
|
|
\hbadness=9500
|
||
|
|
\setmultitablespacing
|
||
|
|
\parskip=\multitableparskip
|
||
|
|
\parindent=\multitableparindent
|
||
|
|
\overfullrule=0pt
|
||
|
|
\global\colcount=0
|
||
|
|
\def\Emultitable{\global\setpercentfalse\cr\egroup\egroup}%
|
||
|
|
%
|
||
|
|
% 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\setmultitablespacing{% test to see if user has set \multitablelinespace.
|
||
|
|
% If so, do nothing. If not, give it an appropriate dimension based on
|
||
|
|
% current baselineskip.
|
||
|
|
\ifdim\multitablelinespace=0pt
|
||
|
|
%% strut to put in table in case some entry doesn't have descenders,
|
||
|
|
%% to keep lines equally spaced
|
||
|
|
\let\multistrut = \strut
|
||
|
|
%% Test to see if parskip is larger than space between lines of
|
||
|
|
%% table. If not, do nothing.
|
||
|
|
%% If so, set to same dimension as multitablelinespace.
|
||
|
|
\else
|
||
|
|
\gdef\multistrut{\vrule height\multitablelinespace depth\dp0
|
||
|
|
width0pt\relax} \fi
|
||
|
|
\ifdim\multitableparskip>\multitablelinespace
|
||
|
|
\global\multitableparskip=\multitablelinespace
|
||
|
|
\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
|
||
|
|
%% than skip between lines in the table.
|
||
|
|
\fi%
|
||
|
|
\ifdim\multitableparskip=0pt
|
||
|
|
\global\multitableparskip=\multitablelinespace
|
||
|
|
\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
|
||
|
|
%% than skip between lines in the table.
|
||
|
|
\fi}
|
||
|
|
|
||
|
|
|
||
|
|
\message{indexing,}
|
||
|
|
% Index generation facilities
|
||
|
|
|
||
|
|
% Define \newwrite to be identical to plain tex's \newwrite
|
||
|
|
% except not \outer, so it can be used within \newindex.
|
||
|
|
{\catcode`\@=11
|
||
|
|
\gdef\newwrite{\alloc@7\write\chardef\sixt@@n}}
|
||
|
|
|
||
|
|
% \newindex {foo} defines an index named foo.
|
||
|
|
% It automatically defines \fooindex such that
|
||
|
|
% \fooindex ...rest of line... puts an entry in the index foo.
|
||
|
|
% It also defines \fooindfile to be the number of the output channel for
|
||
|
|
% the file that accumulates this index. The file's extension is foo.
|
||
|
|
% The name of an index should be no more than 2 characters long
|
||
|
|
% for the sake of vms.
|
||
|
|
%
|
||
|
|
\def\newindex#1{%
|
||
|
|
\iflinks
|
||
|
|
\expandafter\newwrite \csname#1indfile\endcsname
|
||
|
|
\openout \csname#1indfile\endcsname \jobname.#1 % Open the file
|
||
|
|
\fi
|
||
|
|
\expandafter\xdef\csname#1index\endcsname{% % Define @#1index
|
||
|
|
\noexpand\doindex{#1}}
|
||
|
|
}
|
||
|
|
|
||
|
|
% @defindex foo == \newindex{foo}
|
||
|
|
|
||
|
|
\def\defindex{\parsearg\newindex}
|
||
|
|
|
||
|
|
% Define @defcodeindex, like @defindex except put all entries in @code.
|
||
|
|
|
||
|
|
\def\newcodeindex#1{%
|
||
|
|
\iflinks
|
||
|
|
\expandafter\newwrite \csname#1indfile\endcsname
|
||
|
|
\openout \csname#1indfile\endcsname \jobname.#1
|
||
|
|
\fi
|
||
|
|
\expandafter\xdef\csname#1index\endcsname{%
|
||
|
|
\noexpand\docodeindex{#1}}
|
||
|
|
}
|
||
|
|
|
||
|
|
\def\defcodeindex{\parsearg\newcodeindex}
|
||
|
|
|
||
|
|
% @synindex foo bar makes index foo feed into index bar.
|
||
|
|
% Do this instead of @defindex foo if you don't want it as a separate index.
|
||
|
|
% The \closeout helps reduce unnecessary open files; the limit on the
|
||
|
|
% Acorn RISC OS is a mere 16 files.
|
||
|
|
\def\synindex#1 #2 {%
|
||
|
|
\expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
|
||
|
|
\expandafter\closeout\csname#1indfile\endcsname
|
||
|
|
\expandafter\let\csname#1indfile\endcsname=\synindexfoo
|
||
|
|
\expandafter\xdef\csname#1index\endcsname{% define \xxxindex
|
||
|
|
\noexpand\doindex{#2}}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% @syncodeindex foo bar similar, but put all entries made for index foo
|
||
|
|
% inside @code.
|
||
|
|
\def\syncodeindex#1 #2 {%
|
||
|
|
\expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
|
||
|
|
\expandafter\closeout\csname#1indfile\endcsname
|
||
|
|
\expandafter\let\csname#1indfile\endcsname=\synindexfoo
|
||
|
|
\expandafter\xdef\csname#1index\endcsname{% define \xxxindex
|
||
|
|
\noexpand\docodeindex{#2}}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% Define \doindex, the driver for all \fooindex macros.
|
||
|
|
% Argument #1 is generated by the calling \fooindex macro,
|
||
|
|
% and it is "foo", the name of the index.
|
||
|
|
|
||
|
|
% \doindex just uses \parsearg; it calls \doind for the actual work.
|
||
|
|
% This is because \doind is more useful to call from other macros.
|
||
|
|
|
||
|
|
% There is also \dosubind {index}{topic}{subtopic}
|
||
|
|
% which makes an entry in a two-level index such as the operation index.
|
||
|
|
|
||
|
|
\def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer}
|
||
|
|
\def\singleindexer #1{\doind{\indexname}{#1}}
|
||
|
|
|
||
|
|
% like the previous two, but they put @code around the argument.
|
||
|
|
\def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer}
|
||
|
|
\def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}}
|
||
|
|
|
||
|
|
\def\indexdummies{%
|
||
|
|
\def\ { }%
|
||
|
|
% Take care of the plain tex accent commands.
|
||
|
|
\def\"{\realbackslash "}%
|
||
|
|
\def\`{\realbackslash `}%
|
||
|
|
\def\'{\realbackslash '}%
|
||
|
|
\def\^{\realbackslash ^}%
|
||
|
|
\def\~{\realbackslash ~}%
|
||
|
|
\def\={\realbackslash =}%
|
||
|
|
\def\b{\realbackslash b}%
|
||
|
|
\def\c{\realbackslash c}%
|
||
|
|
\def\d{\realbackslash d}%
|
||
|
|
\def\u{\realbackslash u}%
|
||
|
|
\def\v{\realbackslash v}%
|
||
|
|
\def\H{\realbackslash H}%
|
||
|
|
% Take care of the plain tex special European modified letters.
|
||
|
|
\def\oe{\realbackslash oe}%
|
||
|
|
\def\ae{\realbackslash ae}%
|
||
|
|
\def\aa{\realbackslash aa}%
|
||
|
|
\def\OE{\realbackslash OE}%
|
||
|
|
\def\AE{\realbackslash AE}%
|
||
|
|
\def\AA{\realbackslash AA}%
|
||
|
|
\def\o{\realbackslash o}%
|
||
|
|
\def\O{\realbackslash O}%
|
||
|
|
\def\l{\realbackslash l}%
|
||
|
|
\def\L{\realbackslash L}%
|
||
|
|
\def\ss{\realbackslash ss}%
|
||
|
|
% Take care of texinfo commands likely to appear in an index entry.
|
||
|
|
% (Must be a way to avoid doing expansion at all, and thus not have to
|
||
|
|
% laboriously list every single command here.)
|
||
|
|
\def\@{@}% will be @@ when we switch to @ as escape char.
|
||
|
|
%\let\{ = \lbracecmd
|
||
|
|
%\let\} = \rbracecmd
|
||
|
|
\def\_{{\realbackslash _}}%
|
||
|
|
\def\w{\realbackslash w }%
|
||
|
|
\def\bf{\realbackslash bf }%
|
||
|
|
%\def\rm{\realbackslash rm }%
|
||
|
|
\def\sl{\realbackslash sl }%
|
||
|
|
\def\sf{\realbackslash sf}%
|
||
|
|
\def\tt{\realbackslash tt}%
|
||
|
|
\def\gtr{\realbackslash gtr}%
|
||
|
|
\def\less{\realbackslash less}%
|
||
|
|
\def\hat{\realbackslash hat}%
|
||
|
|
\def\TeX{\realbackslash TeX}%
|
||
|
|
\def\dots{\realbackslash dots }%
|
||
|
|
\def\result{\realbackslash result}%
|
||
|
|
\def\equiv{\realbackslash equiv}%
|
||
|
|
\def\expansion{\realbackslash expansion}%
|
||
|
|
\def\print{\realbackslash print}%
|
||
|
|
\def\error{\realbackslash error}%
|
||
|
|
\def\point{\realbackslash point}%
|
||
|
|
\def\copyright{\realbackslash copyright}%
|
||
|
|
\def\tclose##1{\realbackslash tclose {##1}}%
|
||
|
|
\def\code##1{\realbackslash code {##1}}%
|
||
|
|
\def\dotless##1{\realbackslash dotless {##1}}%
|
||
|
|
\def\samp##1{\realbackslash samp {##1}}%
|
||
|
|
\def\,##1{\realbackslash ,{##1}}%
|
||
|
|
\def\t##1{\realbackslash t {##1}}%
|
||
|
|
\def\r##1{\realbackslash r {##1}}%
|
||
|
|
\def\i##1{\realbackslash i {##1}}%
|
||
|
|
\def\b##1{\realbackslash b {##1}}%
|
||
|
|
\def\sc##1{\realbackslash sc {##1}}%
|
||
|
|
\def\cite##1{\realbackslash cite {##1}}%
|
||
|
|
\def\key##1{\realbackslash key {##1}}%
|
||
|
|
\def\file##1{\realbackslash file {##1}}%
|
||
|
|
\def\var##1{\realbackslash var {##1}}%
|
||
|
|
\def\kbd##1{\realbackslash kbd {##1}}%
|
||
|
|
\def\dfn##1{\realbackslash dfn {##1}}%
|
||
|
|
\def\emph##1{\realbackslash emph {##1}}%
|
||
|
|
%
|
||
|
|
% Handle some cases of @value -- where the variable name does not
|
||
|
|
% contain - or _, and the value does not contain any
|
||
|
|
% (non-fully-expandable) commands.
|
||
|
|
\let\value = \expandablevalue
|
||
|
|
%
|
||
|
|
\unsepspaces
|
||
|
|
}
|
||
|
|
|
||
|
|
% If an index command is used in an @example environment, any spaces
|
||
|
|
% therein should become regular spaces in the raw index file, not the
|
||
|
|
% expansion of \tie (\\leavevmode \penalty \@M \ ).
|
||
|
|
{\obeyspaces
|
||
|
|
\gdef\unsepspaces{\obeyspaces\let =\space}}
|
||
|
|
|
||
|
|
% \indexnofonts no-ops all font-change commands.
|
||
|
|
% This is used when outputting the strings to sort the index by.
|
||
|
|
\def\indexdummyfont#1{#1}
|
||
|
|
\def\indexdummytex{TeX}
|
||
|
|
\def\indexdummydots{...}
|
||
|
|
|
||
|
|
\def\indexnofonts{%
|
||
|
|
% Just ignore accents.
|
||
|
|
\let\,=\indexdummyfont
|
||
|
|
\let\"=\indexdummyfont
|
||
|
|
\let\`=\indexdummyfont
|
||
|
|
\let\'=\indexdummyfont
|
||
|
|
\let\^=\indexdummyfont
|
||
|
|
\let\~=\indexdummyfont
|
||
|
|
\let\==\indexdummyfont
|
||
|
|
\let\b=\indexdummyfont
|
||
|
|
\let\c=\indexdummyfont
|
||
|
|
\let\d=\indexdummyfont
|
||
|
|
\let\u=\indexdummyfont
|
||
|
|
\let\v=\indexdummyfont
|
||
|
|
\let\H=\indexdummyfont
|
||
|
|
\let\dotless=\indexdummyfont
|
||
|
|
% Take care of the plain tex special European modified letters.
|
||
|
|
\def\oe{oe}%
|
||
|
|
\def\ae{ae}%
|
||
|
|
\def\aa{aa}%
|
||
|
|
\def\OE{OE}%
|
||
|
|
\def\AE{AE}%
|
||
|
|
\def\AA{AA}%
|
||
|
|
\def\o{o}%
|
||
|
|
\def\O{O}%
|
||
|
|
\def\l{l}%
|
||
|
|
\def\L{L}%
|
||
|
|
\def\ss{ss}%
|
||
|
|
\let\w=\indexdummyfont
|
||
|
|
\let\t=\indexdummyfont
|
||
|
|
\let\r=\indexdummyfont
|
||
|
|
\let\i=\indexdummyfont
|
||
|
|
\let\b=\indexdummyfont
|
||
|
|
\let\emph=\indexdummyfont
|
||
|
|
\let\strong=\indexdummyfont
|
||
|
|
\let\cite=\indexdummyfont
|
||
|
|
\let\sc=\indexdummyfont
|
||
|
|
%Don't no-op \tt, since it isn't a user-level command
|
||
|
|
% and is used in the definitions of the active chars like <, >, |...
|
||
|
|
%\let\tt=\indexdummyfont
|
||
|
|
\let\tclose=\indexdummyfont
|
||
|
|
\let\code=\indexdummyfont
|
||
|
|
\let\file=\indexdummyfont
|
||
|
|
\let\samp=\indexdummyfont
|
||
|
|
\let\kbd=\indexdummyfont
|
||
|
|
\let\key=\indexdummyfont
|
||
|
|
\let\var=\indexdummyfont
|
||
|
|
\let\TeX=\indexdummytex
|
||
|
|
\let\dots=\indexdummydots
|
||
|
|
\def\@{@}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% To define \realbackslash, we must make \ not be an escape.
|
||
|
|
% We must first make another character (@) an escape
|
||
|
|
% so we do not become unable to do a definition.
|
||
|
|
|
||
|
|
{\catcode`\@=0 \catcode`\\=\other
|
||
|
|
@gdef@realbackslash{\}}
|
||
|
|
|
||
|
|
\let\indexbackslash=0 %overridden during \printindex.
|
||
|
|
\let\SETmarginindex=\relax % put index entries in margin (undocumented)?
|
||
|
|
|
||
|
|
% For \ifx comparisons.
|
||
|
|
\def\emptymacro{\empty}
|
||
|
|
|
||
|
|
% Most index entries go through here, but \dosubind is the general case.
|
||
|
|
%
|
||
|
|
\def\doind#1#2{\dosubind{#1}{#2}\empty}
|
||
|
|
|
||
|
|
% Workhorse for all \fooindexes.
|
||
|
|
% #1 is name of index, #2 is stuff to put there, #3 is subentry --
|
||
|
|
% \empty if called from \doind, as we usually are. The main exception
|
||
|
|
% is with defuns, which call us directly.
|
||
|
|
%
|
||
|
|
\def\dosubind#1#2#3{%
|
||
|
|
% Put the index entry in the margin if desired.
|
||
|
|
\ifx\SETmarginindex\relax\else
|
||
|
|
\insert\margin{\hbox{\vrule height8pt depth3pt width0pt #2}}%
|
||
|
|
\fi
|
||
|
|
{%
|
||
|
|
\count255=\lastpenalty
|
||
|
|
{%
|
||
|
|
\indexdummies % Must do this here, since \bf, etc expand at this stage
|
||
|
|
\escapechar=`\\
|
||
|
|
{%
|
||
|
|
\let\folio = 0% We will expand all macros now EXCEPT \folio.
|
||
|
|
\def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now
|
||
|
|
% so it will be output as is; and it will print as backslash.
|
||
|
|
%
|
||
|
|
\def\thirdarg{#3}%
|
||
|
|
%
|
||
|
|
% If third arg is present, precede it with space in sort key.
|
||
|
|
\ifx\thirdarg\emptymacro
|
||
|
|
\let\subentry = \empty
|
||
|
|
\else
|
||
|
|
\def\subentry{ #3}%
|
||
|
|
\fi
|
||
|
|
%
|
||
|
|
% First process the index-string with all font commands turned off
|
||
|
|
% to get the string to sort by.
|
||
|
|
{\indexnofonts \xdef\indexsorttmp{#2\subentry}}%
|
||
|
|
%
|
||
|
|
% Now produce the complete index entry, with both the sort key and the
|
||
|
|
% original text, including any font commands.
|
||
|
|
\toks0 = {#2}%
|
||
|
|
\edef\temp{%
|
||
|
|
\write\csname#1indfile\endcsname{%
|
||
|
|
\realbackslash entry{\indexsorttmp}{\folio}{\the\toks0}}%
|
||
|
|
}%
|
||
|
|
%
|
||
|
|
% If third (subentry) arg is present, add it to the index string.
|
||
|
|
\ifx\thirdarg\emptymacro \else
|
||
|
|
\toks0 = {#3}%
|
||
|
|
\edef\temp{\temp{\the\toks0}}%
|
||
|
|
\fi
|
||
|
|
%
|
||
|
|
% If a skip is the last thing on the list now, preserve it
|
||
|
|
% by backing up by \lastskip, doing the \write, then inserting
|
||
|
|
% the skip again. Otherwise, the whatsit generated by the
|
||
|
|
% \write will make \lastskip zero. The result is that sequences
|
||
|
|
% like this:
|
||
|
|
% @end defun
|
||
|
|
% @tindex whatever
|
||
|
|
% @defun ...
|
||
|
|
% will have extra space inserted, because the \medbreak in the
|
||
|
|
% start of the @defun won't see the skip inserted by the @end of
|
||
|
|
% the previous defun.
|
||
|
|
%
|
||
|
|
% But don't do any of this if we're not in vertical mode. We
|
||
|
|
% don't want to do a \vskip and prematurely end a paragraph.
|
||
|
|
%
|
||
|
|
% Avoid page breaks due to these extra skips, too.
|
||
|
|
%
|
||
|
|
\iflinks
|
||
|
|
\ifvmode
|
||
|
|
\skip0 = \lastskip
|
||
|
|
\ifdim\lastskip = 0pt \else \nobreak\vskip-\lastskip \fi
|
||
|
|
\fi
|
||
|
|
%
|
||
|
|
\temp % do the write
|
||
|
|
%
|
||
|
|
%
|
||
|
|
\ifvmode \ifdim\skip0 = 0pt \else \nobreak\vskip\skip0 \fi \fi
|
||
|
|
\fi
|
||
|
|
}%
|
||
|
|
}%
|
||
|
|
\penalty\count255
|
||
|
|
}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% The index entry written in the file actually looks like
|
||
|
|
% \entry {sortstring}{page}{topic}
|
||
|
|
% or
|
||
|
|
% \entry {sortstring}{page}{topic}{subtopic}
|
||
|
|
% The texindex program reads in these files and writes files
|
||
|
|
% containing these kinds of lines:
|
||
|
|
% \initial {c}
|
||
|
|
% before the first topic whose initial is c
|
||
|
|
% \entry {topic}{pagelist}
|
||
|
|
% for a topic that is used without subtopics
|
||
|
|
% \primary {topic}
|
||
|
|
% for the beginning of a topic that is used with subtopics
|
||
|
|
% \secondary {subtopic}{pagelist}
|
||
|
|
% for each subtopic.
|
||
|
|
|
||
|
|
% Define the user-accessible indexing commands
|
||
|
|
% @findex, @vindex, @kindex, @cindex.
|
||
|
|
|
||
|
|
\def\findex {\fnindex}
|
||
|
|
\def\kindex {\kyindex}
|
||
|
|
\def\cindex {\cpindex}
|
||
|
|
\def\vindex {\vrindex}
|
||
|
|
\def\tindex {\tpindex}
|
||
|
|
\def\pindex {\pgindex}
|
||
|
|
|
||
|
|
\def\cindexsub {\begingroup\obeylines\cindexsub}
|
||
|
|
{\obeylines %
|
||
|
|
\gdef\cindexsub "#1" #2^^M{\endgroup %
|
||
|
|
\dosubind{cp}{#2}{#1}}}
|
||
|
|
|
||
|
|
% Define the macros used in formatting output of the sorted index material.
|
||
|
|
|
||
|
|
% @printindex causes a particular index (the ??s file) to get printed.
|
||
|
|
% It does not print any chapter heading (usually an @unnumbered).
|
||
|
|
%
|
||
|
|
\def\printindex{\parsearg\doprintindex}
|
||
|
|
\def\doprintindex#1{\begingroup
|
||
|
|
\dobreak \chapheadingskip{10000}%
|
||
|
|
%
|
||
|
|
\indexfonts \rm
|
||
|
|
\tolerance = 9500
|
||
|
|
\indexbreaks
|
||
|
|
%
|
||
|
|
% See if the index file exists and is nonempty.
|
||
|
|
% Change catcode of @ here so that if the index file contains
|
||
|
|
% \initial {@}
|
||
|
|
% as its first line, TeX doesn't complain about mismatched braces
|
||
|
|
% (because it thinks @} is a control sequence).
|
||
|
|
\catcode`\@ = 11
|
||
|
|
\openin 1 \jobname.#1s
|
||
|
|
\ifeof 1
|
||
|
|
% \enddoublecolumns gets confused if there is no text in the index,
|
||
|
|
% and it loses the chapter title and the aux file entries for the
|
||
|
|
% index. The easiest way to prevent this problem is to make sure
|
||
|
|
% there is some text.
|
||
|
|
(Index is nonexistent)
|
||
|
|
\else
|
||
|
|
%
|
||
|
|
% If the index file exists but is empty, then \openin leaves \ifeof
|
||
|
|
% false. We have to make TeX try to read something from the file, so
|
||
|
|
% it can discover if there is anything in it.
|
||
|
|
\read 1 to \temp
|
||
|
|
\ifeof 1
|
||
|
|
(Index is empty)
|
||
|
|
\else
|
||
|
|
% 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}%
|
||
|
|
\catcode`\\ = 0
|
||
|
|
\escapechar = `\\
|
||
|
|
\begindoublecolumns
|
||
|
|
\input \jobname.#1s
|
||
|
|
\enddoublecolumns
|
||
|
|
\fi
|
||
|
|
\fi
|
||
|
|
\closein 1
|
||
|
|
\endgroup}
|
||
|
|
|
||
|
|
% These macros are used by the sorted index file itself.
|
||
|
|
% Change them to control the appearance of the index.
|
||
|
|
|
||
|
|
\def\initial#1{{%
|
||
|
|
% Some minor font changes for the special characters.
|
||
|
|
\let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt
|
||
|
|
%
|
||
|
|
% Remove any glue we may have, we'll be inserting our own.
|
||
|
|
\removelastskip
|
||
|
|
%
|
||
|
|
% We like breaks before the index initials, so insert a bonus.
|
||
|
|
\penalty -300
|
||
|
|
%
|
||
|
|
% Typeset the initial. Making this add up to a whole number of
|
||
|
|
% baselineskips increases the chance of the dots lining up from column
|
||
|
|
% to column. It still won't often be perfect, because of the stretch
|
||
|
|
% we need before each entry, but it's better.
|
||
|
|
%
|
||
|
|
% No shrink because it confuses \balancecolumns.
|
||
|
|
\vskip 1.67\baselineskip plus .5\baselineskip
|
||
|
|
\leftline{\secbf #1}%
|
||
|
|
\vskip .33\baselineskip plus .1\baselineskip
|
||
|
|
%
|
||
|
|
% Do our best not to break after the initial.
|
||
|
|
\nobreak
|
||
|
|
}}
|
||
|
|
|
||
|
|
% This typesets a paragraph consisting of #1, dot leaders, and then #2
|
||
|
|
% flush to the right margin. It is used for index and table of contents
|
||
|
|
% entries. The paragraph is indented by \leftskip.
|
||
|
|
%
|
||
|
|
\def\entry#1#2{\begingroup
|
||
|
|
%
|
||
|
|
% Start a new paragraph if necessary, so our assignments below can't
|
||
|
|
% affect previous text.
|
||
|
|
\par
|
||
|
|
%
|
||
|
|
% Do not fill out the last line with white space.
|
||
|
|
\parfillskip = 0in
|
||
|
|
%
|
||
|
|
% No extra space above this paragraph.
|
||
|
|
\parskip = 0in
|
||
|
|
%
|
||
|
|
% Do not prefer a separate line ending with a hyphen to fewer lines.
|
||
|
|
\finalhyphendemerits = 0
|
||
|
|
%
|
||
|
|
% \hangindent is only relevant when the entry text and page number
|
||
|
|
% don't both fit on one line. In that case, bob suggests starting the
|
||
|
|
% dots pretty far over on the line. Unfortunately, a large
|
||
|
|
% indentation looks wrong when the entry text itself is broken across
|
||
|
|
% lines. So we use a small indentation and put up with long leaders.
|
||
|
|
%
|
||
|
|
% \hangafter is reset to 1 (which is the value we want) at the start
|
||
|
|
% of each paragraph, so we need not do anything with that.
|
||
|
|
\hangindent = 2em
|
||
|
|
%
|
||
|
|
% When the entry text needs to be broken, just fill out the first line
|
||
|
|
% with blank space.
|
||
|
|
\rightskip = 0pt plus1fil
|
||
|
|
%
|
||
|
|
% A bit of stretch before each entry for the benefit of balancing columns.
|
||
|
|
\vskip 0pt plus1pt
|
||
|
|
%
|
||
|
|
% Start a ``paragraph'' for the index entry so the line breaking
|
||
|
|
% parameters we've set above will have an effect.
|
||
|
|
\noindent
|
||
|
|
%
|
||
|
|
% Insert the text of the index entry. TeX will do line-breaking on it.
|
||
|
|
#1%
|
||
|
|
% The following is kludged to not output a line of dots in the index if
|
||
|
|
% there are no page numbers. The next person who breaks this will be
|
||
|
|
% cursed by a Unix daemon.
|
||
|
|
\def\tempa{{\rm }}%
|
||
|
|
\def\tempb{#2}%
|
||
|
|
\edef\tempc{\tempa}%
|
||
|
|
\edef\tempd{\tempb}%
|
||
|
|
\ifx\tempc\tempd\ \else%
|
||
|
|
%
|
||
|
|
% If we must, put the page number on a line of its own, and fill out
|
||
|
|
% this line with blank space. (The \hfil is overwhelmed with the
|
||
|
|
% fill leaders glue in \indexdotfill if the page number does fit.)
|
||
|
|
\hfil\penalty50
|
||
|
|
\null\nobreak\indexdotfill % Have leaders before the page number.
|
||
|
|
%
|
||
|
|
% The `\ ' here is removed by the implicit \unskip that TeX does as
|
||
|
|
% part of (the primitive) \par. Without it, a spurious underfull
|
||
|
|
% \hbox ensues.
|
||
|
|
\ #2% The page number ends the paragraph.
|
||
|
|
\fi%
|
||
|
|
\par
|
||
|
|
\endgroup}
|
||
|
|
|
||
|
|
% Like \dotfill except takes at least 1 em.
|
||
|
|
\def\indexdotfill{\cleaders
|
||
|
|
\hbox{$\mathsurround=0pt \mkern1.5mu ${\it .}$ \mkern1.5mu$}\hskip 1em plus 1fill}
|
||
|
|
|
||
|
|
\def\primary #1{\line{#1\hfil}}
|
||
|
|
|
||
|
|
\newskip\secondaryindent \secondaryindent=0.5cm
|
||
|
|
|
||
|
|
\def\secondary #1#2{
|
||
|
|
{\parfillskip=0in \parskip=0in
|
||
|
|
\hangindent =1in \hangafter=1
|
||
|
|
\noindent\hskip\secondaryindent\hbox{#1}\indexdotfill #2\par
|
||
|
|
}}
|
||
|
|
|
||
|
|
% Define two-column mode, which we use to typeset indexes.
|
||
|
|
% Adapted from the TeXbook, page 416, which is to say,
|
||
|
|
% the manmac.tex format used to print the TeXbook itself.
|
||
|
|
\catcode`\@=11
|
||
|
|
|
||
|
|
\newbox\partialpage
|
||
|
|
\newdimen\doublecolumnhsize
|
||
|
|
|
||
|
|
\def\begindoublecolumns{\begingroup % ended by \enddoublecolumns
|
||
|
|
% Grab any single-column material above us.
|
||
|
|
\output = {\global\setbox\partialpage = \vbox{%
|
||
|
|
%
|
||
|
|
% Here is a possibility not foreseen in manmac: if we accumulate a
|
||
|
|
% whole lot of material, we might end up calling this \output
|
||
|
|
% routine twice in a row (see the doublecol-lose test, which is
|
||
|
|
% essentially a couple of indexes with @setchapternewpage off). In
|
||
|
|
% that case, we must prevent the second \partialpage from
|
||
|
|
% simply overwriting the first, causing us to lose the page.
|
||
|
|
% This will preserve it until a real output routine can ship it
|
||
|
|
% out. Generally, \partialpage will be empty when this runs and
|
||
|
|
% this will be a no-op.
|
||
|
|
\unvbox\partialpage
|
||
|
|
%
|
||
|
|
% Unvbox the main output page.
|
||
|
|
\unvbox255
|
||
|
|
\kern-\topskip \kern\baselineskip
|
||
|
|
}}%
|
||
|
|
\eject
|
||
|
|
%
|
||
|
|
% Use the double-column output routine for subsequent pages.
|
||
|
|
\output = {\doublecolumnout}%
|
||
|
|
%
|
||
|
|
% Change the page size parameters. We could do this once outside this
|
||
|
|
% routine, in each of @smallbook, @afourpaper, and the default 8.5x11
|
||
|
|
% format, but then we repeat the same computation. Repeating a couple
|
||
|
|
% of assignments once per index is clearly meaningless for the
|
||
|
|
% execution time, so we may as well do it in one place.
|
||
|
|
%
|
||
|
|
% First we halve the line length, less a little for the gutter between
|
||
|
|
% the columns. We compute the gutter based on the line length, so it
|
||
|
|
% changes automatically with the paper format. The magic constant
|
||
|
|
% below is chosen so that the gutter has the same value (well, +-<1pt)
|
||
|
|
% as it did when we hard-coded it.
|
||
|
|
%
|
||
|
|
% We put the result in a separate register, \doublecolumhsize, so we
|
||
|
|
% can restore it in \pagesofar, after \hsize itself has (potentially)
|
||
|
|
% been clobbered.
|
||
|
|
%
|
||
|
|
\doublecolumnhsize = \hsize
|
||
|
|
\advance\doublecolumnhsize by -.04154\hsize
|
||
|
|
\divide\doublecolumnhsize by 2
|
||
|
|
\hsize = \doublecolumnhsize
|
||
|
|
%
|
||
|
|
% Double the \vsize as well. (We don't need a separate register here,
|
||
|
|
% since nobody clobbers \vsize.)
|
||
|
|
\advance\vsize by -\ht\partialpage
|
||
|
|
\vsize = 2\vsize
|
||
|
|
}
|
||
|
|
|
||
|
|
% The double-column output routine for all double-column pages except
|
||
|
|
% the last.
|
||
|
|
%
|
||
|
|
\def\doublecolumnout{%
|
||
|
|
\splittopskip=\topskip \splitmaxdepth=\maxdepth
|
||
|
|
% Get the available space for the double columns -- the normal
|
||
|
|
% (undoubled) page height minus any material left over from the
|
||
|
|
% previous page.
|
||
|
|
\dimen@ = \vsize
|
||
|
|
\divide\dimen@ by 2
|
||
|
|
%
|
||
|
|
% box0 will be the left-hand column, box2 the right.
|
||
|
|
\setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@
|
||
|
|
\onepageout\pagesofar
|
||
|
|
\unvbox255
|
||
|
|
\penalty\outputpenalty
|
||
|
|
}
|
||
|
|
\def\pagesofar{%
|
||
|
|
% Re-output the contents of the output page -- any previous material,
|
||
|
|
% followed by the two boxes we just split, in box0 and box2.
|
||
|
|
\advance\vsize by \ht\partialpage
|
||
|
|
\unvbox\partialpage
|
||
|
|
%
|
||
|
|
\hsize = \doublecolumnhsize
|
||
|
|
\wd0=\hsize \wd2=\hsize
|
||
|
|
\hbox to\pagewidth{\box0\hfil\box2}%
|
||
|
|
}
|
||
|
|
\def\enddoublecolumns{%
|
||
|
|
\output = {%
|
||
|
|
% Split the last of the double-column material. Leave on the
|
||
|
|
% current page, no automatic page break.
|
||
|
|
\balancecolumns
|
||
|
|
%
|
||
|
|
% If we end up splitting too much material for the current page,
|
||
|
|
% though, there will be another page break right after this \output
|
||
|
|
% invocation ends. Having called \balancecolumns once, we do not
|
||
|
|
% want to call it again. Therefore, reset \output to its normal
|
||
|
|
% definition right away. (We hope \balancecolumns will never be
|
||
|
|
% called on to balance too much material, but if it is, this makes
|
||
|
|
% the output somewhat more palatable.)
|
||
|
|
\global\output = {\onepageout{\pagecontents\PAGE}}%
|
||
|
|
%
|
||
|
|
% \pagegoal was set to the doubled \vsize above, since we restarted
|
||
|
|
% the current page. We're now back to normal single-column
|
||
|
|
% typesetting, so reset \pagegoal to the normal \vsize.
|
||
|
|
\pagegoal = \vsize
|
||
|
|
}%
|
||
|
|
\eject
|
||
|
|
\endgroup % started in \begindoublecolumns
|
||
|
|
}
|
||
|
|
\def\balancecolumns{%
|
||
|
|
% Called at the end of the double column material.
|
||
|
|
\setbox0 = \vbox{\unvbox255}% like \box255 but more efficient, see p.120.
|
||
|
|
\dimen@ = \ht0
|
||
|
|
\advance\dimen@ by \topskip
|
||
|
|
\advance\dimen@ by-\baselineskip
|
||
|
|
\divide\dimen@ by 2 % target to split to
|
||
|
|
%debug\message{final 2-column material height=\the\ht0, target=\the\dimen@.}%
|
||
|
|
\splittopskip = \topskip
|
||
|
|
% Loop until we get a decent breakpoint.
|
||
|
|
{%
|
||
|
|
\vbadness = 10000
|
||
|
|
\loop
|
||
|
|
\global\setbox3 = \copy0
|
||
|
|
\global\setbox1 = \vsplit3 to \dimen@
|
||
|
|
\ifdim\ht3>\dimen@
|
||
|
|
\global\advance\dimen@ by 1pt
|
||
|
|
\repeat
|
||
|
|
}%
|
||
|
|
%debug\message{split to \the\dimen@, column heights: \the\ht1, \the\ht3.}%
|
||
|
|
\setbox0=\vbox to\dimen@{\unvbox1}%
|
||
|
|
\setbox2=\vbox to\dimen@{\unvbox3}%
|
||
|
|
%
|
||
|
|
\pagesofar
|
||
|
|
}
|
||
|
|
\catcode`\@ = \other
|
||
|
|
|
||
|
|
|
||
|
|
\message{sectioning,}
|
||
|
|
% Define chapters, sections, etc.
|
||
|
|
|
||
|
|
\newcount\chapno
|
||
|
|
\newcount\secno \secno=0
|
||
|
|
\newcount\subsecno \subsecno=0
|
||
|
|
\newcount\subsubsecno \subsubsecno=0
|
||
|
|
|
||
|
|
% This counter is funny since it counts through charcodes of letters A, B, ...
|
||
|
|
\newcount\appendixno \appendixno = `\@
|
||
|
|
\def\appendixletter{\char\the\appendixno}
|
||
|
|
|
||
|
|
% Each @chapter defines this as the name of the chapter.
|
||
|
|
% page headings and footings can use it. @section does likewise.
|
||
|
|
\def\thischapter{}
|
||
|
|
\def\thissection{}
|
||
|
|
|
||
|
|
\newcount\absseclevel % used to calculate proper heading level
|
||
|
|
\newcount\secbase\secbase=0 % @raise/lowersections modify this count
|
||
|
|
|
||
|
|
% @raisesections: treat @section as chapter, @subsection as section, etc.
|
||
|
|
\def\raisesections{\global\advance\secbase by -1}
|
||
|
|
\let\up=\raisesections % original BFox name
|
||
|
|
|
||
|
|
% @lowersections: treat @chapter as section, @section as subsection, etc.
|
||
|
|
\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}
|
||
|
|
\else
|
||
|
|
\ifnum \absseclevel<0
|
||
|
|
\chapterzzz{#2}
|
||
|
|
\else
|
||
|
|
\numberedsubsubseczzz{#2}
|
||
|
|
\fi
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% 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}
|
||
|
|
\else
|
||
|
|
\ifnum \absseclevel<0
|
||
|
|
\appendixzzz{#2}
|
||
|
|
\else
|
||
|
|
\appendixsubsubseczzz{#2}
|
||
|
|
\fi
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% 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}
|
||
|
|
\else
|
||
|
|
\ifnum \absseclevel<0
|
||
|
|
\unnumberedzzz{#2}
|
||
|
|
\else
|
||
|
|
\unnumberedsubsubseczzz{#2}
|
||
|
|
\fi
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% @chapter, @appendix, @unnumbered.
|
||
|
|
\def\thischaptername{No Chapter Title}
|
||
|
|
\outer\def\chapter{\parsearg\chapteryyy}
|
||
|
|
\def\chapteryyy #1{\numhead0{#1}} % normally numhead0 calls chapterzzz
|
||
|
|
\def\chapterzzz #1{%
|
||
|
|
\secno=0 \subsecno=0 \subsubsecno=0
|
||
|
|
\global\advance \chapno by 1 \message{\putwordChapter\space \the\chapno}%
|
||
|
|
\chapmacro {#1}{\the\chapno}%
|
||
|
|
\gdef\thissection{#1}%
|
||
|
|
\gdef\thischaptername{#1}%
|
||
|
|
% We don't substitute the actual chapter name into \thischapter
|
||
|
|
% because we don't want its macros evaluated now.
|
||
|
|
\xdef\thischapter{\putwordChapter{} \the\chapno: \noexpand\thischaptername}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash chapentry{\the\toks0}%
|
||
|
|
{\the\chapno}}}%
|
||
|
|
\temp
|
||
|
|
\donoderef
|
||
|
|
\global\let\section = \numberedsec
|
||
|
|
\global\let\subsection = \numberedsubsec
|
||
|
|
\global\let\subsubsection = \numberedsubsubsec
|
||
|
|
}
|
||
|
|
|
||
|
|
\outer\def\appendix{\parsearg\appendixyyy}
|
||
|
|
\def\appendixyyy #1{\apphead0{#1}} % normally apphead0 calls appendixzzz
|
||
|
|
\def\appendixzzz #1{%
|
||
|
|
\secno=0 \subsecno=0 \subsubsecno=0
|
||
|
|
\global\advance \appendixno by 1
|
||
|
|
\message{\putwordAppendix\space \appendixletter}%
|
||
|
|
\chapmacro {#1}{\putwordAppendix{} \appendixletter}%
|
||
|
|
\gdef\thissection{#1}%
|
||
|
|
\gdef\thischaptername{#1}%
|
||
|
|
\xdef\thischapter{\putwordAppendix{} \appendixletter: \noexpand\thischaptername}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash chapentry{\the\toks0}%
|
||
|
|
{\putwordAppendix{} \appendixletter}}}%
|
||
|
|
\temp
|
||
|
|
\appendixnoderef
|
||
|
|
\global\let\section = \appendixsec
|
||
|
|
\global\let\subsection = \appendixsubsec
|
||
|
|
\global\let\subsubsection = \appendixsubsubsec
|
||
|
|
}
|
||
|
|
|
||
|
|
% @centerchap is like @unnumbered, but the heading is centered.
|
||
|
|
\outer\def\centerchap{\parsearg\centerchapyyy}
|
||
|
|
\def\centerchapyyy #1{{\let\unnumbchapmacro=\centerchapmacro \unnumberedyyy{#1}}}
|
||
|
|
|
||
|
|
% @top is like @unnumbered.
|
||
|
|
\outer\def\top{\parsearg\unnumberedyyy}
|
||
|
|
|
||
|
|
\outer\def\unnumbered{\parsearg\unnumberedyyy}
|
||
|
|
\def\unnumberedyyy #1{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz
|
||
|
|
\def\unnumberedzzz #1{%
|
||
|
|
\secno=0 \subsecno=0 \subsubsecno=0
|
||
|
|
%
|
||
|
|
% This used to be simply \message{#1}, but TeX fully expands the
|
||
|
|
% argument to \message. Therefore, if #1 contained @-commands, TeX
|
||
|
|
% expanded them. For example, in `@unnumbered The @cite{Book}', TeX
|
||
|
|
% expanded @cite (which turns out to cause errors because \cite is meant
|
||
|
|
% to be executed, not expanded).
|
||
|
|
%
|
||
|
|
% Anyway, we don't want the fully-expanded definition of @cite to appear
|
||
|
|
% as a result of the \message, we just want `@cite' itself. We use
|
||
|
|
% \the<toks register> to achieve this: TeX expands \the<toks> only once,
|
||
|
|
% simply yielding the contents of <toks register>. (We also do this for
|
||
|
|
% the toc entries.)
|
||
|
|
\toks0 = {#1}\message{(\the\toks0)}%
|
||
|
|
%
|
||
|
|
\unnumbchapmacro {#1}%
|
||
|
|
\gdef\thischapter{#1}\gdef\thissection{#1}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash unnumbchapentry{\the\toks0}}}%
|
||
|
|
\temp
|
||
|
|
\unnumbnoderef
|
||
|
|
\global\let\section = \unnumberedsec
|
||
|
|
\global\let\subsection = \unnumberedsubsec
|
||
|
|
\global\let\subsubsection = \unnumberedsubsubsec
|
||
|
|
}
|
||
|
|
|
||
|
|
% Sections.
|
||
|
|
\outer\def\numberedsec{\parsearg\secyyy}
|
||
|
|
\def\secyyy #1{\numhead1{#1}} % normally calls seczzz
|
||
|
|
\def\seczzz #1{%
|
||
|
|
\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
|
||
|
|
\gdef\thissection{#1}\secheading {#1}{\the\chapno}{\the\secno}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash secentry{\the\toks0}%
|
||
|
|
{\the\chapno}{\the\secno}}}%
|
||
|
|
\temp
|
||
|
|
\donoderef
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
\outer\def\appendixsection{\parsearg\appendixsecyyy}
|
||
|
|
\outer\def\appendixsec{\parsearg\appendixsecyyy}
|
||
|
|
\def\appendixsecyyy #1{\apphead1{#1}} % normally calls appendixsectionzzz
|
||
|
|
\def\appendixsectionzzz #1{%
|
||
|
|
\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
|
||
|
|
\gdef\thissection{#1}\secheading {#1}{\appendixletter}{\the\secno}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash secentry{\the\toks0}%
|
||
|
|
{\appendixletter}{\the\secno}}}%
|
||
|
|
\temp
|
||
|
|
\appendixnoderef
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
\outer\def\unnumberedsec{\parsearg\unnumberedsecyyy}
|
||
|
|
\def\unnumberedsecyyy #1{\unnmhead1{#1}} % normally calls unnumberedseczzz
|
||
|
|
\def\unnumberedseczzz #1{%
|
||
|
|
\plainsecheading {#1}\gdef\thissection{#1}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash unnumbsecentry{\the\toks0}}}%
|
||
|
|
\temp
|
||
|
|
\unnumbnoderef
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
% Subsections.
|
||
|
|
\outer\def\numberedsubsec{\parsearg\numberedsubsecyyy}
|
||
|
|
\def\numberedsubsecyyy #1{\numhead2{#1}} % normally calls numberedsubseczzz
|
||
|
|
\def\numberedsubseczzz #1{%
|
||
|
|
\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
|
||
|
|
\subsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash subsecentry{\the\toks0}%
|
||
|
|
{\the\chapno}{\the\secno}{\the\subsecno}}}%
|
||
|
|
\temp
|
||
|
|
\donoderef
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
\outer\def\appendixsubsec{\parsearg\appendixsubsecyyy}
|
||
|
|
\def\appendixsubsecyyy #1{\apphead2{#1}} % normally calls appendixsubseczzz
|
||
|
|
\def\appendixsubseczzz #1{%
|
||
|
|
\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
|
||
|
|
\subsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash subsecentry{\the\toks0}%
|
||
|
|
{\appendixletter}{\the\secno}{\the\subsecno}}}%
|
||
|
|
\temp
|
||
|
|
\appendixnoderef
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
\outer\def\unnumberedsubsec{\parsearg\unnumberedsubsecyyy}
|
||
|
|
\def\unnumberedsubsecyyy #1{\unnmhead2{#1}} %normally calls unnumberedsubseczzz
|
||
|
|
\def\unnumberedsubseczzz #1{%
|
||
|
|
\plainsubsecheading {#1}\gdef\thissection{#1}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash unnumbsubsecentry%
|
||
|
|
{\the\toks0}}}%
|
||
|
|
\temp
|
||
|
|
\unnumbnoderef
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
% Subsubsections.
|
||
|
|
\outer\def\numberedsubsubsec{\parsearg\numberedsubsubsecyyy}
|
||
|
|
\def\numberedsubsubsecyyy #1{\numhead3{#1}} % normally numberedsubsubseczzz
|
||
|
|
\def\numberedsubsubseczzz #1{%
|
||
|
|
\gdef\thissection{#1}\global\advance \subsubsecno by 1 %
|
||
|
|
\subsubsecheading {#1}
|
||
|
|
{\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash subsubsecentry{\the\toks0}%
|
||
|
|
{\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}}}%
|
||
|
|
\temp
|
||
|
|
\donoderef
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
\outer\def\appendixsubsubsec{\parsearg\appendixsubsubsecyyy}
|
||
|
|
\def\appendixsubsubsecyyy #1{\apphead3{#1}} % normally appendixsubsubseczzz
|
||
|
|
\def\appendixsubsubseczzz #1{%
|
||
|
|
\gdef\thissection{#1}\global\advance \subsubsecno by 1 %
|
||
|
|
\subsubsecheading {#1}
|
||
|
|
{\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash subsubsecentry{\the\toks0}%
|
||
|
|
{\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}}}%
|
||
|
|
\temp
|
||
|
|
\appendixnoderef
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
\outer\def\unnumberedsubsubsec{\parsearg\unnumberedsubsubsecyyy}
|
||
|
|
\def\unnumberedsubsubsecyyy #1{\unnmhead3{#1}} %normally unnumberedsubsubseczzz
|
||
|
|
\def\unnumberedsubsubseczzz #1{%
|
||
|
|
\plainsubsubsecheading {#1}\gdef\thissection{#1}%
|
||
|
|
\toks0 = {#1}%
|
||
|
|
\edef\temp{\noexpand\writetocentry{\realbackslash unnumbsubsubsecentry%
|
||
|
|
{\the\toks0}}}%
|
||
|
|
\temp
|
||
|
|
\unnumbnoderef
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
% These are variants which are not "outer", so they can appear in @ifinfo.
|
||
|
|
% Actually, they should now be obsolete; ordinary section commands should work.
|
||
|
|
\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.
|
||
|
|
\global\let\section = \numberedsec
|
||
|
|
\global\let\subsection = \numberedsubsec
|
||
|
|
\global\let\subsubsection = \numberedsubsubsec
|
||
|
|
|
||
|
|
% Define @majorheading, @heading and @subheading
|
||
|
|
|
||
|
|
% NOTE on use of \vbox for chapter headings, section headings, and such:
|
||
|
|
% 1) We use \vbox rather than the earlier \line to permit
|
||
|
|
% overlong headings to fold.
|
||
|
|
% 2) \hyphenpenalty is set to 10000 because hyphenation in a
|
||
|
|
% heading is obnoxious; this forbids it.
|
||
|
|
% 3) Likewise, headings look best if no \parindent is used, and
|
||
|
|
% if justification is not attempted. Hence \raggedright.
|
||
|
|
|
||
|
|
|
||
|
|
\def\majorheading{\parsearg\majorheadingzzz}
|
||
|
|
\def\majorheadingzzz #1{%
|
||
|
|
{\advance\chapheadingskip by 10pt \chapbreak }%
|
||
|
|
{\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
|
||
|
|
\parindent=0pt\raggedright
|
||
|
|
\rm #1\hfill}}\bigskip \par\penalty 200}
|
||
|
|
|
||
|
|
\def\chapheading{\parsearg\chapheadingzzz}
|
||
|
|
\def\chapheadingzzz #1{\chapbreak %
|
||
|
|
{\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
|
||
|
|
\parindent=0pt\raggedright
|
||
|
|
\rm #1\hfill}}\bigskip \par\penalty 200}
|
||
|
|
|
||
|
|
% @heading, @subheading, @subsubheading.
|
||
|
|
\def\heading{\parsearg\plainsecheading}
|
||
|
|
\def\subheading{\parsearg\plainsubsecheading}
|
||
|
|
\def\subsubheading{\parsearg\plainsubsubsecheading}
|
||
|
|
|
||
|
|
% These macros generate a chapter, section, etc. heading only
|
||
|
|
% (including whitespace, linebreaking, etc. around it),
|
||
|
|
% given all the information in convenient, parsed form.
|
||
|
|
|
||
|
|
%%% 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)
|
||
|
|
|
||
|
|
\newskip\chapheadingskip
|
||
|
|
|
||
|
|
\def\chapbreak{\dobreak \chapheadingskip {-4000}}
|
||
|
|
\def\chappager{\par\vfill\supereject}
|
||
|
|
\def\chapoddpage{\chappager \ifodd\pageno \else \hbox to 0pt{} \chappager\fi}
|
||
|
|
|
||
|
|
\def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname}
|
||
|
|
|
||
|
|
\def\CHAPPAGoff{%
|
||
|
|
\global\let\contentsalignmacro = \chappager
|
||
|
|
\global\let\pchapsepmacro=\chapbreak
|
||
|
|
\global\let\pagealignmacro=\chappager}
|
||
|
|
|
||
|
|
\def\CHAPPAGon{%
|
||
|
|
\global\let\contentsalignmacro = \chappager
|
||
|
|
\global\let\pchapsepmacro=\chappager
|
||
|
|
\global\let\pagealignmacro=\chappager
|
||
|
|
\global\def\HEADINGSon{\HEADINGSsingle}}
|
||
|
|
|
||
|
|
\def\CHAPPAGodd{
|
||
|
|
\global\let\contentsalignmacro = \chapoddpage
|
||
|
|
\global\let\pchapsepmacro=\chapoddpage
|
||
|
|
\global\let\pagealignmacro=\chapoddpage
|
||
|
|
\global\def\HEADINGSon{\HEADINGSdouble}}
|
||
|
|
|
||
|
|
\CHAPPAGon
|
||
|
|
|
||
|
|
\def\CHAPFplain{
|
||
|
|
\global\let\chapmacro=\chfplain
|
||
|
|
\global\let\unnumbchapmacro=\unnchfplain
|
||
|
|
\global\let\centerchapmacro=\centerchfplain}
|
||
|
|
|
||
|
|
% Plain chapter opening.
|
||
|
|
% #1 is the text, #2 the chapter number or empty if unnumbered.
|
||
|
|
\def\chfplain#1#2{%
|
||
|
|
\pchapsepmacro
|
||
|
|
{%
|
||
|
|
\chapfonts \rm
|
||
|
|
\def\chapnum{#2}%
|
||
|
|
\setbox0 = \hbox{#2\ifx\chapnum\empty\else\enspace\fi}%
|
||
|
|
\vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
|
||
|
|
\hangindent = \wd0 \centerparametersmaybe
|
||
|
|
\unhbox0 #1\par}%
|
||
|
|
}%
|
||
|
|
\nobreak\bigskip % no page break after a chapter title
|
||
|
|
\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
% Plain opening for unnumbered.
|
||
|
|
\def\unnchfplain#1{\chfplain{#1}{}}
|
||
|
|
|
||
|
|
% @centerchap -- centered and unnumbered.
|
||
|
|
\let\centerparametersmaybe = \relax
|
||
|
|
\def\centerchfplain#1{{%
|
||
|
|
\def\centerparametersmaybe{%
|
||
|
|
\advance\rightskip by 3\rightskip
|
||
|
|
\leftskip = \rightskip
|
||
|
|
\parfillskip = 0pt
|
||
|
|
}%
|
||
|
|
\chfplain{#1}{}%
|
||
|
|
}}
|
||
|
|
|
||
|
|
\CHAPFplain % The default
|
||
|
|
|
||
|
|
\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\unnumbchapmacro=\unnchfopen
|
||
|
|
\global\let\centerchapmacro=\centerchfopen}
|
||
|
|
|
||
|
|
|
||
|
|
% Section titles.
|
||
|
|
\newskip\secheadingskip
|
||
|
|
\def\secheadingbreak{\dobreak \secheadingskip {-1000}}
|
||
|
|
\def\secheading#1#2#3{\sectionheading{sec}{#2.#3}{#1}}
|
||
|
|
\def\plainsecheading#1{\sectionheading{sec}{}{#1}}
|
||
|
|
|
||
|
|
% Subsection titles.
|
||
|
|
\newskip \subsecheadingskip
|
||
|
|
\def\subsecheadingbreak{\dobreak \subsecheadingskip {-500}}
|
||
|
|
\def\subsecheading#1#2#3#4{\sectionheading{subsec}{#2.#3.#4}{#1}}
|
||
|
|
\def\plainsubsecheading#1{\sectionheading{subsec}{}{#1}}
|
||
|
|
|
||
|
|
% Subsubsection titles.
|
||
|
|
\let\subsubsecheadingskip = \subsecheadingskip
|
||
|
|
\let\subsubsecheadingbreak = \subsecheadingbreak
|
||
|
|
\def\subsubsecheading#1#2#3#4#5{\sectionheading{subsubsec}{#2.#3.#4.#5}{#1}}
|
||
|
|
\def\plainsubsubsecheading#1{\sectionheading{subsubsec}{}{#1}}
|
||
|
|
|
||
|
|
|
||
|
|
% Print any size section title.
|
||
|
|
%
|
||
|
|
% #1 is the section type (sec/subsec/subsubsec), #2 is the section
|
||
|
|
% number (maybe empty), #3 the text.
|
||
|
|
\def\sectionheading#1#2#3{%
|
||
|
|
{%
|
||
|
|
\expandafter\advance\csname #1headingskip\endcsname by \parskip
|
||
|
|
\csname #1headingbreak\endcsname
|
||
|
|
}%
|
||
|
|
{%
|
||
|
|
% Switch to the right set of fonts.
|
||
|
|
\csname #1fonts\endcsname \rm
|
||
|
|
%
|
||
|
|
% Only insert the separating space if we have a section number.
|
||
|
|
\def\secnum{#2}%
|
||
|
|
\setbox0 = \hbox{#2\ifx\secnum\empty\else\enspace\fi}%
|
||
|
|
%
|
||
|
|
\vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
|
||
|
|
\hangindent = \wd0 % zero if no section number
|
||
|
|
\unhbox0 #3}%
|
||
|
|
}%
|
||
|
|
\ifdim\parskip<10pt \nobreak\kern10pt\nobreak\kern-\parskip\fi \nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
\message{toc,}
|
||
|
|
\newwrite\tocfile
|
||
|
|
|
||
|
|
% Write an entry to the toc file, opening it if necessary.
|
||
|
|
% Called from @chapter, etc. We supply {\folio} at the end of the
|
||
|
|
% argument, which will end up as the last argument to the \...entry macro.
|
||
|
|
%
|
||
|
|
% We open the .toc file here instead of at @setfilename or any other
|
||
|
|
% given time so that @contents can be put in the document anywhere.
|
||
|
|
%
|
||
|
|
\newif\iftocfileopened
|
||
|
|
\def\writetocentry#1{%
|
||
|
|
\iftocfileopened\else
|
||
|
|
\immediate\openout\tocfile = \jobname.toc
|
||
|
|
\global\tocfileopenedtrue
|
||
|
|
\fi
|
||
|
|
\iflinks \write\tocfile{#1{\folio}}\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
\newskip\contentsrightmargin \contentsrightmargin=1in
|
||
|
|
\newcount\savepageno
|
||
|
|
\newcount\lastnegativepageno \lastnegativepageno = -1
|
||
|
|
|
||
|
|
% Finish up the main text 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.
|
||
|
|
\unnumbchapmacro{#1}\def\thischapter{}%
|
||
|
|
\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 \pageno = \lastnegativepageno \fi
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
% Normal (long) toc.
|
||
|
|
\def\contents{%
|
||
|
|
\startcontents{\putwordTableofContents}%
|
||
|
|
\openin 1 \jobname.toc
|
||
|
|
\ifeof 1 \else
|
||
|
|
\closein 1
|
||
|
|
\input \jobname.toc
|
||
|
|
\fi
|
||
|
|
\vfill \eject
|
||
|
|
\endgroup
|
||
|
|
\lastnegativepageno = \pageno
|
||
|
|
\pageno = \savepageno
|
||
|
|
}
|
||
|
|
|
||
|
|
% And just the chapters.
|
||
|
|
\def\summarycontents{%
|
||
|
|
\startcontents{\putwordShortContents}%
|
||
|
|
%
|
||
|
|
\let\chapentry = \shortchapentry
|
||
|
|
\let\unnumbchapentry = \shortunnumberedentry
|
||
|
|
% We want a true roman here for the page numbers.
|
||
|
|
\secfonts
|
||
|
|
\let\rm=\shortcontrm \let\bf=\shortcontbf \let\sl=\shortcontsl
|
||
|
|
\rm
|
||
|
|
\hyphenpenalty = 10000
|
||
|
|
\advance\baselineskip by 1pt % Open it up a little.
|
||
|
|
\def\secentry ##1##2##3##4{}
|
||
|
|
\def\unnumbsecentry ##1##2{}
|
||
|
|
\def\subsecentry ##1##2##3##4##5{}
|
||
|
|
\def\unnumbsubsecentry ##1##2{}
|
||
|
|
\def\subsubsecentry ##1##2##3##4##5##6{}
|
||
|
|
\def\unnumbsubsubsecentry ##1##2{}
|
||
|
|
\openin 1 \jobname.toc
|
||
|
|
\ifeof 1 \else
|
||
|
|
\closein 1
|
||
|
|
\input \jobname.toc
|
||
|
|
\fi
|
||
|
|
\vfill \eject
|
||
|
|
\endgroup
|
||
|
|
\lastnegativepageno = \pageno
|
||
|
|
\pageno = \savepageno
|
||
|
|
}
|
||
|
|
\let\shortcontents = \summarycontents
|
||
|
|
|
||
|
|
% These macros generate individual entries in the table of contents.
|
||
|
|
% The first argument is the chapter or section name.
|
||
|
|
% The last argument is the page number.
|
||
|
|
% The arguments in between are the chapter number, section number, ...
|
||
|
|
|
||
|
|
% Chapter-level things, for both the long and short contents.
|
||
|
|
\def\chapentry#1#2#3{\dochapentry{#2\labelspace#1}{#3}}
|
||
|
|
|
||
|
|
% See comments in \dochapentry re vbox and related settings
|
||
|
|
\def\shortchapentry#1#2#3{%
|
||
|
|
\tocentry{\shortchaplabel{#2}\labelspace #1}{\doshortpageno{#3}}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% Typeset the label for a chapter or appendix for the short contents.
|
||
|
|
% The arg is, e.g. `Appendix A' for an appendix, or `3' for a chapter.
|
||
|
|
% We could simplify the code here by writing out an \appendixentry
|
||
|
|
% command in the toc file for appendices, instead of using \chapentry
|
||
|
|
% for both, but it doesn't seem worth it.
|
||
|
|
\setbox0 = \hbox{\shortcontrm \putwordAppendix }
|
||
|
|
\newdimen\shortappendixwidth \shortappendixwidth = \wd0
|
||
|
|
|
||
|
|
\def\shortchaplabel#1{%
|
||
|
|
% We typeset #1 in a box of constant width, regardless of the text of
|
||
|
|
% #1, so the chapter titles will come out aligned.
|
||
|
|
\setbox0 = \hbox{#1}%
|
||
|
|
\dimen0 = \ifdim\wd0 > \shortappendixwidth \shortappendixwidth \else 0pt \fi
|
||
|
|
%
|
||
|
|
% This space should be plenty, since a single number is .5em, and the
|
||
|
|
% widest letter (M) is 1em, at least in the Computer Modern fonts.
|
||
|
|
% (This space doesn't include the extra space that gets added after
|
||
|
|
% the label; that gets put in by \shortchapentry above.)
|
||
|
|
\advance\dimen0 by 1.1em
|
||
|
|
\hbox to \dimen0{#1\hfil}%
|
||
|
|
}
|
||
|
|
|
||
|
|
\def\unnumbchapentry#1#2{\dochapentry{#1}{#2}}
|
||
|
|
\def\shortunnumberedentry#1#2{\tocentry{#1}{\doshortpageno{#2}}}
|
||
|
|
|
||
|
|
% Sections.
|
||
|
|
\def\secentry#1#2#3#4{\dosecentry{#2.#3\labelspace#1}{#4}}
|
||
|
|
\def\unnumbsecentry#1#2{\dosecentry{#1}{#2}}
|
||
|
|
|
||
|
|
% Subsections.
|
||
|
|
\def\subsecentry#1#2#3#4#5{\dosubsecentry{#2.#3.#4\labelspace#1}{#5}}
|
||
|
|
\def\unnumbsubsecentry#1#2{\dosubsecentry{#1}{#2}}
|
||
|
|
|
||
|
|
% And subsubsections.
|
||
|
|
\def\subsubsecentry#1#2#3#4#5#6{%
|
||
|
|
\dosubsubsecentry{#2.#3.#4.#5\labelspace#1}{#6}}
|
||
|
|
\def\unnumbsubsubsecentry#1#2{\dosubsubsecentry{#1}{#2}}
|
||
|
|
|
||
|
|
% This parameter controls the indentation of the various levels.
|
||
|
|
\newdimen\tocindent \tocindent = 3pc
|
||
|
|
|
||
|
|
% Now for the actual typesetting. In all these, #1 is the text and #2 is the
|
||
|
|
% page number.
|
||
|
|
%
|
||
|
|
% If the toc has to be broken over pages, we want it to be at chapters
|
||
|
|
% if at all possible; hence the \penalty.
|
||
|
|
\def\dochapentry#1#2{%
|
||
|
|
\penalty-300 \vskip1\baselineskip plus.33\baselineskip minus.25\baselineskip
|
||
|
|
\begingroup
|
||
|
|
\chapentryfonts
|
||
|
|
\tocentry{#1}{\dopageno{#2}}%
|
||
|
|
\endgroup
|
||
|
|
\nobreak\vskip .25\baselineskip plus.1\baselineskip
|
||
|
|
}
|
||
|
|
|
||
|
|
\def\dosecentry#1#2{\begingroup
|
||
|
|
\secentryfonts \leftskip=\tocindent
|
||
|
|
\tocentry{#1}{\dopageno{#2}}%
|
||
|
|
\endgroup}
|
||
|
|
|
||
|
|
\def\dosubsecentry#1#2{\begingroup
|
||
|
|
\subsecentryfonts \leftskip=2\tocindent
|
||
|
|
\tocentry{#1}{\dopageno{#2}}%
|
||
|
|
\endgroup}
|
||
|
|
|
||
|
|
\def\dosubsubsecentry#1#2{\begingroup
|
||
|
|
\subsubsecentryfonts \leftskip=3\tocindent
|
||
|
|
\tocentry{#1}{\dopageno{#2}}%
|
||
|
|
\endgroup}
|
||
|
|
|
||
|
|
% Final typesetting of a toc entry; we use the same \entry macro as for
|
||
|
|
% the index entries, but we want to suppress hyphenation here. (We
|
||
|
|
% can't do that in the \entry macro, since index entries might consist
|
||
|
|
% of hyphenated-identifiers-that-do-not-fit-on-a-line-and-nothing-else.)
|
||
|
|
\def\tocentry#1#2{\begingroup
|
||
|
|
\vskip 0pt plus1pt % allow a little stretch for the sake of nice page breaks
|
||
|
|
% Do not use \turnoffactive in these arguments. Since the toc is
|
||
|
|
% typeset in cmr, so characters such as _ would come out wrong; we
|
||
|
|
% have to do the usual translation tricks.
|
||
|
|
\entry{#1}{#2}%
|
||
|
|
\endgroup}
|
||
|
|
|
||
|
|
% Space between chapter (or whatever) number and the title.
|
||
|
|
\def\labelspace{\hskip1em \relax}
|
||
|
|
|
||
|
|
\def\dopageno#1{{\rm #1}}
|
||
|
|
\def\doshortpageno#1{{\rm #1}}
|
||
|
|
|
||
|
|
\def\chapentryfonts{\secfonts \rm}
|
||
|
|
\def\secentryfonts{\textfonts}
|
||
|
|
\let\subsecentryfonts = \textfonts
|
||
|
|
\let\subsubsecentryfonts = \textfonts
|
||
|
|
|
||
|
|
|
||
|
|
\message{environments,}
|
||
|
|
|
||
|
|
% Since these characters are used in examples, it should be an even number of
|
||
|
|
% \tt widths. Each \tt character is 1en, so two makes it 1em.
|
||
|
|
% Furthermore, these definitions must come after we define our fonts.
|
||
|
|
\newbox\dblarrowbox \newbox\longdblarrowbox
|
||
|
|
\newbox\pushcharbox \newbox\bullbox
|
||
|
|
\newbox\equivbox \newbox\errorbox
|
||
|
|
|
||
|
|
%{\tentt
|
||
|
|
%\global\setbox\dblarrowbox = \hbox to 1em{\hfil$\Rightarrow$\hfil}
|
||
|
|
%\global\setbox\longdblarrowbox = \hbox to 1em{\hfil$\mapsto$\hfil}
|
||
|
|
%\global\setbox\pushcharbox = \hbox to 1em{\hfil$\dashv$\hfil}
|
||
|
|
%\global\setbox\equivbox = \hbox to 1em{\hfil$\ptexequiv$\hfil}
|
||
|
|
% Adapted from the manmac format (p.420 of TeXbook)
|
||
|
|
%\global\setbox\bullbox = \hbox to 1em{\kern.15em\vrule height .75ex width .85ex
|
||
|
|
% depth .1ex\hfil}
|
||
|
|
%}
|
||
|
|
|
||
|
|
% @point{}, @result{}, @expansion{}, @print{}, @equiv{}.
|
||
|
|
\def\point{$\star$}
|
||
|
|
\def\result{\leavevmode\raise.15ex\hbox to 1em{\hfil$\Rightarrow$\hfil}}
|
||
|
|
\def\expansion{\leavevmode\raise.1ex\hbox to 1em{\hfil$\mapsto$\hfil}}
|
||
|
|
\def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}}
|
||
|
|
\def\equiv{\leavevmode\lower.1ex\hbox to 1em{\hfil$\ptexequiv$\hfil}}
|
||
|
|
|
||
|
|
% Adapted from the TeXbook's \boxit.
|
||
|
|
{\tentt \global\dimen0 = 3em}% Width of the box.
|
||
|
|
\dimen2 = .55pt % Thickness of rules
|
||
|
|
% The text. (`r' is open on the right, `e' somewhat less so on the left.)
|
||
|
|
\setbox0 = \hbox{\kern-.75pt \tensf error\kern-1.5pt}
|
||
|
|
|
||
|
|
\global\setbox\errorbox=\hbox to \dimen0{\hfil
|
||
|
|
\hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right.
|
||
|
|
\advance\hsize by -2\dimen2 % Rules.
|
||
|
|
\vbox{
|
||
|
|
\hrule height\dimen2
|
||
|
|
\hbox{\vrule width\dimen2 \kern3pt % Space to left of text.
|
||
|
|
\vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below.
|
||
|
|
\kern3pt\vrule width\dimen2}% Space to right.
|
||
|
|
\hrule height\dimen2}
|
||
|
|
\hfil}
|
||
|
|
|
||
|
|
% The @error{} command.
|
||
|
|
\def\error{\leavevmode\lower.7ex\copy\errorbox}
|
||
|
|
|
||
|
|
% @tex ... @end tex escapes into raw Tex temporarily.
|
||
|
|
% One exception: @ is still an escape character, so that @end tex works.
|
||
|
|
% But \@ or @@ will get a plain tex @ character.
|
||
|
|
|
||
|
|
\def\tex{\begingroup
|
||
|
|
\catcode `\\=0 \catcode `\{=1 \catcode `\}=2
|
||
|
|
\catcode `\$=3 \catcode `\&=4 \catcode `\#=6
|
||
|
|
\catcode `\^=7 \catcode `\_=8 \catcode `\~=13 \let~=\tie
|
||
|
|
\catcode `\%=14
|
||
|
|
\catcode 43=12 % plus
|
||
|
|
\catcode`\"=12
|
||
|
|
\catcode`\==12
|
||
|
|
\catcode`\|=12
|
||
|
|
\catcode`\<=12
|
||
|
|
\catcode`\>=12
|
||
|
|
\escapechar=`\\
|
||
|
|
%
|
||
|
|
\let\b=\ptexb
|
||
|
|
\let\bullet=\ptexbullet
|
||
|
|
\let\c=\ptexc
|
||
|
|
\let\,=\ptexcomma
|
||
|
|
\let\.=\ptexdot
|
||
|
|
\let\dots=\ptexdots
|
||
|
|
\let\equiv=\ptexequiv
|
||
|
|
\let\!=\ptexexclam
|
||
|
|
\let\i=\ptexi
|
||
|
|
\let\{=\ptexlbrace
|
||
|
|
\let\+=\tabalign
|
||
|
|
\let\}=\ptexrbrace
|
||
|
|
\let\*=\ptexstar
|
||
|
|
\let\t=\ptext
|
||
|
|
%
|
||
|
|
\def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}%
|
||
|
|
\def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}%
|
||
|
|
\def\@{@}%
|
||
|
|
\let\Etex=\endgroup}
|
||
|
|
|
||
|
|
% Define @lisp ... @endlisp.
|
||
|
|
% @lisp does a \begingroup so it can rebind things,
|
||
|
|
% including the definition of @endlisp (which normally is erroneous).
|
||
|
|
|
||
|
|
% Amount to narrow the margins by for @lisp.
|
||
|
|
\newskip\lispnarrowing \lispnarrowing=0.4in
|
||
|
|
|
||
|
|
% This is the definition that ^^M gets inside @lisp, @example, and other
|
||
|
|
% such environments. \null is better than a space, since it doesn't
|
||
|
|
% have any width.
|
||
|
|
\def\lisppar{\null\endgraf}
|
||
|
|
|
||
|
|
% Make each space character in the input produce a normal interword
|
||
|
|
% space in the output. Don't allow a line break at this space, as this
|
||
|
|
% is used only in environments like @example, where each line of input
|
||
|
|
% should produce a line of output anyway.
|
||
|
|
%
|
||
|
|
{\obeyspaces %
|
||
|
|
\gdef\sepspaces{\obeyspaces\let =\tie}}
|
||
|
|
|
||
|
|
% Define \obeyedspace to be our active space, whatever it is. This is
|
||
|
|
% for use in \parsearg.
|
||
|
|
{\sepspaces%
|
||
|
|
\global\let\obeyedspace= }
|
||
|
|
|
||
|
|
% This space is always present above and below environments.
|
||
|
|
\newskip\envskipamount \envskipamount = 0pt
|
||
|
|
|
||
|
|
% Make spacing and below environment symmetrical. We use \parskip here
|
||
|
|
% to help in doing that, since in @example-like environments \parskip
|
||
|
|
% is reset to zero; thus the \afterenvbreak inserts no space -- but the
|
||
|
|
% start of the next paragraph will insert \parskip
|
||
|
|
%
|
||
|
|
\def\aboveenvbreak{{\advance\envskipamount by \parskip
|
||
|
|
\endgraf \ifdim\lastskip<\envskipamount
|
||
|
|
\removelastskip \penalty-50 \vskip\envskipamount \fi}}
|
||
|
|
|
||
|
|
\let\afterenvbreak = \aboveenvbreak
|
||
|
|
|
||
|
|
% \nonarrowing is a flag. If "set", @lisp etc don't narrow margins.
|
||
|
|
\let\nonarrowing=\relax
|
||
|
|
|
||
|
|
% @cartouche ... @end cartouche: draw rectangle w/rounded corners around
|
||
|
|
% environment contents.
|
||
|
|
\font\circle=lcircle10
|
||
|
|
\newdimen\circthick
|
||
|
|
\newdimen\cartouter\newdimen\cartinner
|
||
|
|
\newskip\normbskip\newskip\normpskip\newskip\normlskip
|
||
|
|
\circthick=\fontdimen8\circle
|
||
|
|
%
|
||
|
|
\def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth
|
||
|
|
\def\ctr{{\hskip 6pt\circle\char'010}}
|
||
|
|
\def\cbl{{\circle\char'012\hskip -6pt}}
|
||
|
|
\def\cbr{{\hskip 6pt\circle\char'011}}
|
||
|
|
\def\carttop{\hbox to \cartouter{\hskip\lskip
|
||
|
|
\ctl\leaders\hrule height\circthick\hfil\ctr
|
||
|
|
\hskip\rskip}}
|
||
|
|
\def\cartbot{\hbox to \cartouter{\hskip\lskip
|
||
|
|
\cbl\leaders\hrule height\circthick\hfil\cbr
|
||
|
|
\hskip\rskip}}
|
||
|
|
%
|
||
|
|
\newskip\lskip\newskip\rskip
|
||
|
|
|
||
|
|
\long\def\cartouche{%
|
||
|
|
\begingroup
|
||
|
|
\lskip=\leftskip \rskip=\rightskip
|
||
|
|
\leftskip=0pt\rightskip=0pt %we want these *outside*.
|
||
|
|
\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
|
||
|
|
\normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip
|
||
|
|
% Flag to tell @lisp, etc., not to narrow margin.
|
||
|
|
\let\nonarrowing=\comment
|
||
|
|
\vbox\bgroup
|
||
|
|
\baselineskip=0pt\parskip=0pt\lineskip=0pt
|
||
|
|
\carttop
|
||
|
|
\hbox\bgroup
|
||
|
|
\hskip\lskip
|
||
|
|
\vrule\kern3pt
|
||
|
|
\vbox\bgroup
|
||
|
|
\hsize=\cartinner
|
||
|
|
\kern3pt
|
||
|
|
\begingroup
|
||
|
|
\baselineskip=\normbskip
|
||
|
|
\lineskip=\normlskip
|
||
|
|
\parskip=\normpskip
|
||
|
|
\vskip -\parskip
|
||
|
|
\def\Ecartouche{%
|
||
|
|
\endgroup
|
||
|
|
\kern3pt
|
||
|
|
\egroup
|
||
|
|
\kern3pt\vrule
|
||
|
|
\hskip\rskip
|
||
|
|
\egroup
|
||
|
|
\cartbot
|
||
|
|
\egroup
|
||
|
|
\endgroup
|
||
|
|
}}
|
||
|
|
|
||
|
|
|
||
|
|
% This macro is called at the beginning of all the @example variants,
|
||
|
|
% 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.
|
||
|
|
\singlespace
|
||
|
|
\let\par = \lisppar % don't ignore blank lines
|
||
|
|
\obeylines % each line of input is a line of output
|
||
|
|
\parskip = 0pt
|
||
|
|
\parindent = 0pt
|
||
|
|
\emergencystretch = 0pt % don't try to avoid overfull boxes
|
||
|
|
% @cartouche defines \nonarrowing to inhibit narrowing
|
||
|
|
% at next level down.
|
||
|
|
\ifx\nonarrowing\relax
|
||
|
|
\advance \leftskip by \lispnarrowing
|
||
|
|
\exdentamount=\lispnarrowing
|
||
|
|
\let\exdent=\nofillexdent
|
||
|
|
\let\nonarrowing=\relax
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% Define the \E... control sequence only if we are inside the particular
|
||
|
|
% environment, so the error checking in \end will work.
|
||
|
|
%
|
||
|
|
% 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}
|
||
|
|
|
||
|
|
% @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
|
||
|
|
}
|
||
|
|
|
||
|
|
% @example: Same as @lisp.
|
||
|
|
\def\example{\begingroup \def\Eexample{\nonfillfinish\endgroup}\lisp}
|
||
|
|
|
||
|
|
% @small... is usually equivalent to the non-small (@smallbook
|
||
|
|
% redefines). We must call \example (or whatever) last in the
|
||
|
|
% definition, since it reads the return following the @example (or
|
||
|
|
% whatever) command.
|
||
|
|
%
|
||
|
|
% This actually allows (for example) @end display inside an
|
||
|
|
% @smalldisplay. Too bad, but makeinfo will catch the error anyway.
|
||
|
|
%
|
||
|
|
\def\smalldisplay{\begingroup\def\Esmalldisplay{\nonfillfinish\endgroup}\display}
|
||
|
|
\def\smallexample{\begingroup\def\Esmallexample{\nonfillfinish\endgroup}\lisp}
|
||
|
|
\def\smallformat{\begingroup\def\Esmallformat{\nonfillfinish\endgroup}\format}
|
||
|
|
\def\smalllisp{\begingroup\def\Esmalllisp{\nonfillfinish\endgroup}\lisp}
|
||
|
|
|
||
|
|
% Real @smallexample and @smalllisp (when @smallbook): use smaller fonts.
|
||
|
|
% Originally contributed by Pavel@xerox.
|
||
|
|
\def\smalllispx{\begingroup
|
||
|
|
\def\Esmalllisp{\nonfillfinish\endgroup}%
|
||
|
|
\def\Esmallexample{\nonfillfinish\endgroup}%
|
||
|
|
\indexfonts
|
||
|
|
\lisp
|
||
|
|
}
|
||
|
|
|
||
|
|
% @display: same as @lisp except keep current font.
|
||
|
|
%
|
||
|
|
\def\display{\begingroup
|
||
|
|
\nonfillstart
|
||
|
|
\let\Edisplay = \nonfillfinish
|
||
|
|
\gobble
|
||
|
|
}
|
||
|
|
|
||
|
|
% @smalldisplay (when @smallbook): @display plus smaller fonts.
|
||
|
|
%
|
||
|
|
\def\smalldisplayx{\begingroup
|
||
|
|
\def\Esmalldisplay{\nonfillfinish\endgroup}%
|
||
|
|
\indexfonts \rm
|
||
|
|
\display
|
||
|
|
}
|
||
|
|
|
||
|
|
% @format: same as @display except don't narrow margins.
|
||
|
|
%
|
||
|
|
\def\format{\begingroup
|
||
|
|
\let\nonarrowing = t
|
||
|
|
\nonfillstart
|
||
|
|
\let\Eformat = \nonfillfinish
|
||
|
|
\gobble
|
||
|
|
}
|
||
|
|
|
||
|
|
% @smallformat (when @smallbook): @format plus smaller fonts.
|
||
|
|
%
|
||
|
|
\def\smallformatx{\begingroup
|
||
|
|
\def\Esmallformat{\nonfillfinish\endgroup}%
|
||
|
|
\indexfonts \rm
|
||
|
|
\format
|
||
|
|
}
|
||
|
|
|
||
|
|
% @flushleft (same as @format).
|
||
|
|
%
|
||
|
|
\def\flushleft{\begingroup \def\Eflushleft{\nonfillfinish\endgroup}\format}
|
||
|
|
|
||
|
|
% @flushright.
|
||
|
|
%
|
||
|
|
\def\flushright{\begingroup
|
||
|
|
\let\nonarrowing = t
|
||
|
|
\nonfillstart
|
||
|
|
\let\Eflushright = \nonfillfinish
|
||
|
|
\advance\leftskip by 0pt plus 1fill
|
||
|
|
\gobble
|
||
|
|
}
|
||
|
|
|
||
|
|
% @quotation does normal linebreaking (hence we can't use \nonfillstart)
|
||
|
|
% and narrows the margins.
|
||
|
|
%
|
||
|
|
\def\quotation{%
|
||
|
|
\begingroup\inENV %This group ends at the end of the @quotation body
|
||
|
|
{\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip
|
||
|
|
\singlespace
|
||
|
|
\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
|
||
|
|
\advance\leftskip by \lispnarrowing
|
||
|
|
\advance\rightskip by \lispnarrowing
|
||
|
|
\exdentamount = \lispnarrowing
|
||
|
|
\let\nonarrowing = \relax
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
\message{defuns,}
|
||
|
|
% Define formatter for defuns
|
||
|
|
% First, allow user to change definition object font (\df) internally
|
||
|
|
\def\setdeffont #1 {\csname DEF#1\endcsname}
|
||
|
|
|
||
|
|
\newskip\defbodyindent \defbodyindent=.4in
|
||
|
|
\newskip\defargsindent \defargsindent=50pt
|
||
|
|
\newskip\deftypemargin \deftypemargin=12pt
|
||
|
|
\newskip\deflastargmargin \deflastargmargin=18pt
|
||
|
|
|
||
|
|
\newcount\parencount
|
||
|
|
% define \functionparens, which makes ( and ) and & do special things.
|
||
|
|
% \functionparens affects the group it is contained in.
|
||
|
|
\def\activeparens{%
|
||
|
|
\catcode`\(=\active \catcode`\)=\active \catcode`\&=\active
|
||
|
|
\catcode`\[=\active \catcode`\]=\active}
|
||
|
|
|
||
|
|
% Make control sequences which act like normal parenthesis chars.
|
||
|
|
\let\lparen = ( \let\rparen = )
|
||
|
|
|
||
|
|
{\activeparens % Now, smart parens don't turn on until &foo (see \amprm)
|
||
|
|
|
||
|
|
% Be sure that we always have a definition for `(', etc. For example,
|
||
|
|
% if the fn name has parens in it, \boldbrax will not be in effect yet,
|
||
|
|
% so TeX would otherwise complain about undefined control sequence.
|
||
|
|
\global\let(=\lparen \global\let)=\rparen
|
||
|
|
\global\let[=\lbrack \global\let]=\rbrack
|
||
|
|
|
||
|
|
\gdef\functionparens{\boldbrax\let&=\amprm\parencount=0 }
|
||
|
|
\gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb}
|
||
|
|
% This is used to turn on special parens
|
||
|
|
% but make & act ordinary (given that it's active).
|
||
|
|
\gdef\boldbraxnoamp{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb\let&=\ampnr}
|
||
|
|
|
||
|
|
% Definitions of (, ) and & used in args for functions.
|
||
|
|
% This is the definition of ( outside of all parentheses.
|
||
|
|
\gdef\oprm#1 {{\rm\char`\(}#1 \bf \let(=\opnested
|
||
|
|
\global\advance\parencount by 1
|
||
|
|
}
|
||
|
|
%
|
||
|
|
% This is the definition of ( when already inside a level of parens.
|
||
|
|
\gdef\opnested{\char`\(\global\advance\parencount by 1 }
|
||
|
|
%
|
||
|
|
\gdef\clrm{% Print a paren in roman if it is taking us back to depth of 0.
|
||
|
|
% also in that case restore the outer-level definition of (.
|
||
|
|
\ifnum \parencount=1 {\rm \char `\)}\sl \let(=\oprm \else \char `\) \fi
|
||
|
|
\global\advance \parencount by -1 }
|
||
|
|
% If we encounter &foo, then turn on ()-hacking afterwards
|
||
|
|
\gdef\amprm#1 {{\rm\}\let(=\oprm \let)=\clrm\ }
|
||
|
|
%
|
||
|
|
\gdef\normalparens{\boldbrax\let&=\ampnr}
|
||
|
|
} % End of definition inside \activeparens
|
||
|
|
%% These parens (in \boldbrax) actually are a little bolder than the
|
||
|
|
%% contained text. This is especially needed for [ and ]
|
||
|
|
\def\opnr{{\sf\char`\(}\global\advance\parencount by 1 }
|
||
|
|
\def\clnr{{\sf\char`\)}\global\advance\parencount by -1 }
|
||
|
|
\def\ampnr{\&}
|
||
|
|
\def\lbrb{{\bf\char`\[}}
|
||
|
|
\def\rbrb{{\bf\char`\]}}
|
||
|
|
|
||
|
|
% First, defname, which formats the header line itself.
|
||
|
|
% #1 should be the function name.
|
||
|
|
% #2 should be the type of definition, such as "Function".
|
||
|
|
|
||
|
|
\def\defname #1#2{%
|
||
|
|
% Get the values of \leftskip and \rightskip as they were
|
||
|
|
% outside the @def...
|
||
|
|
\dimen2=\leftskip
|
||
|
|
\advance\dimen2 by -\defbodyindent
|
||
|
|
\noindent
|
||
|
|
\setbox0=\hbox{\hskip \deflastargmargin{\rm #2}\hskip \deftypemargin}%
|
||
|
|
\dimen0=\hsize \advance \dimen0 by -\wd0 % compute size for first line
|
||
|
|
\dimen1=\hsize \advance \dimen1 by -\defargsindent %size for continuations
|
||
|
|
\parshape 2 0in \dimen0 \defargsindent \dimen1
|
||
|
|
% Now output arg 2 ("Function" or some such)
|
||
|
|
% ending at \deftypemargin from the right margin,
|
||
|
|
% but stuck inside a box of width 0 so it does not interfere with linebreaking
|
||
|
|
{% Adjust \hsize to exclude the ambient margins,
|
||
|
|
% so that \rightline will obey them.
|
||
|
|
\advance \hsize by -\dimen2
|
||
|
|
\rlap{\rightline{{\rm #2}\hskip -1.25pc }}}%
|
||
|
|
% Make all lines underfull and no complaints:
|
||
|
|
\tolerance=10000 \hbadness=10000
|
||
|
|
\advance\leftskip by -\defbodyindent
|
||
|
|
\exdentamount=\defbodyindent
|
||
|
|
{\df #1}\enskip % Generate function name
|
||
|
|
}
|
||
|
|
|
||
|
|
% Actually process the body of a definition
|
||
|
|
% #1 should be the terminating control sequence, such as \Edefun.
|
||
|
|
% #2 should be the "another name" control sequence, such as \defunx.
|
||
|
|
% #3 should be the control sequence that actually processes the header,
|
||
|
|
% such as \defunheader.
|
||
|
|
|
||
|
|
\def\defparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
|
||
|
|
\medbreak %
|
||
|
|
% Define the end token that this defining construct specifies
|
||
|
|
% so that it will exit this group.
|
||
|
|
\def#1{\endgraf\endgroup\medbreak}%
|
||
|
|
\def#2{\begingroup\obeylines\activeparens\spacesplit#3}%
|
||
|
|
\parindent=0in
|
||
|
|
\advance\leftskip by \defbodyindent
|
||
|
|
\exdentamount=\defbodyindent
|
||
|
|
\begingroup %
|
||
|
|
\catcode 61=\active % 61 is `='
|
||
|
|
\obeylines\activeparens\spacesplit#3}
|
||
|
|
|
||
|
|
% #1 is the \E... control sequence to end the definition (which we define).
|
||
|
|
% #2 is the \...x control sequence for consecutive fns (which we define).
|
||
|
|
% #3 is the control sequence to call to resume processing.
|
||
|
|
% #4, delimited by the space, is the class name.
|
||
|
|
%
|
||
|
|
\def\defmethparsebody#1#2#3#4 {\begingroup\inENV %
|
||
|
|
\medbreak %
|
||
|
|
% Define the end token that this defining construct specifies
|
||
|
|
% so that it will exit this group.
|
||
|
|
\def#1{\endgraf\endgroup\medbreak}%
|
||
|
|
\def#2##1 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}}}%
|
||
|
|
\parindent=0in
|
||
|
|
\advance\leftskip by \defbodyindent
|
||
|
|
\exdentamount=\defbodyindent
|
||
|
|
\begingroup\obeylines\activeparens\spacesplit{#3{#4}}}
|
||
|
|
|
||
|
|
% @deftypemethod has an extra argument that nothing else does. Sigh.
|
||
|
|
% #1 is the \E... control sequence to end the definition (which we define).
|
||
|
|
% #2 is the \...x control sequence for consecutive fns (which we define).
|
||
|
|
% #3 is the control sequence to call to resume processing.
|
||
|
|
% #4, delimited by the space, is the class name.
|
||
|
|
% #5 is the method's return type.
|
||
|
|
%
|
||
|
|
\def\deftypemethparsebody#1#2#3#4 #5 {\begingroup\inENV %
|
||
|
|
\medbreak %
|
||
|
|
% Define the end token that this defining construct specifies
|
||
|
|
% so that it will exit this group.
|
||
|
|
\def#1{\endgraf\endgroup\medbreak}%
|
||
|
|
\def#2##1 ##2 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}{##2}}}%
|
||
|
|
\parindent=0in
|
||
|
|
\advance\leftskip by \defbodyindent
|
||
|
|
\exdentamount=\defbodyindent
|
||
|
|
\begingroup\obeylines\activeparens\spacesplit{#3{#4}{#5}}}
|
||
|
|
|
||
|
|
\def\defopparsebody #1#2#3#4#5 {\begingroup\inENV %
|
||
|
|
\medbreak %
|
||
|
|
% Define the end token that this defining construct specifies
|
||
|
|
% so that it will exit this group.
|
||
|
|
\def#1{\endgraf\endgroup\medbreak}%
|
||
|
|
\def#2##1 ##2 {\def#4{##1}%
|
||
|
|
\begingroup\obeylines\activeparens\spacesplit{#3{##2}}}%
|
||
|
|
\parindent=0in
|
||
|
|
\advance\leftskip by \defbodyindent
|
||
|
|
\exdentamount=\defbodyindent
|
||
|
|
\begingroup\obeylines\activeparens\spacesplit{#3{#5}}}
|
||
|
|
|
||
|
|
% These parsing functions are similar to the preceding ones
|
||
|
|
% except that they do not make parens into active characters.
|
||
|
|
% These are used for "variables" since they have no arguments.
|
||
|
|
|
||
|
|
\def\defvarparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
|
||
|
|
\medbreak %
|
||
|
|
% Define the end token that this defining construct specifies
|
||
|
|
% so that it will exit this group.
|
||
|
|
\def#1{\endgraf\endgroup\medbreak}%
|
||
|
|
\def#2{\begingroup\obeylines\spacesplit#3}%
|
||
|
|
\parindent=0in
|
||
|
|
\advance\leftskip by \defbodyindent
|
||
|
|
\exdentamount=\defbodyindent
|
||
|
|
\begingroup %
|
||
|
|
\catcode 61=\active %
|
||
|
|
\obeylines\spacesplit#3}
|
||
|
|
|
||
|
|
% This is used for \def{tp,vr}parsebody. It could probably be used for
|
||
|
|
% some of the others, too, with some judicious conditionals.
|
||
|
|
%
|
||
|
|
\def\parsebodycommon#1#2#3{%
|
||
|
|
\begingroup\inENV %
|
||
|
|
\medbreak %
|
||
|
|
% Define the end token that this defining construct specifies
|
||
|
|
% so that it will exit this group.
|
||
|
|
\def#1{\endgraf\endgroup\medbreak}%
|
||
|
|
\def#2##1 {\begingroup\obeylines\spacesplit{#3{##1}}}%
|
||
|
|
\parindent=0in
|
||
|
|
\advance\leftskip by \defbodyindent
|
||
|
|
\exdentamount=\defbodyindent
|
||
|
|
\begingroup\obeylines
|
||
|
|
}
|
||
|
|
|
||
|
|
\def\defvrparsebody#1#2#3#4 {%
|
||
|
|
\parsebodycommon{#1}{#2}{#3}%
|
||
|
|
\spacesplit{#3{#4}}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% This loses on `@deftp {Data Type} {struct termios}' -- it thinks the
|
||
|
|
% type is just `struct', because we lose the braces in `{struct
|
||
|
|
% termios}' when \spacesplit reads its undelimited argument. Sigh.
|
||
|
|
% \let\deftpparsebody=\defvrparsebody
|
||
|
|
%
|
||
|
|
% So, to get around this, we put \empty in with the type name. That
|
||
|
|
% way, TeX won't find exactly `{...}' as an undelimited argument, and
|
||
|
|
% won't strip off the braces.
|
||
|
|
%
|
||
|
|
\def\deftpparsebody #1#2#3#4 {%
|
||
|
|
\parsebodycommon{#1}{#2}{#3}%
|
||
|
|
\spacesplit{\parsetpheaderline{#3{#4}}}\empty
|
||
|
|
}
|
||
|
|
|
||
|
|
% Fine, but then we have to eventually remove the \empty *and* the
|
||
|
|
% braces (if any). That's what this does.
|
||
|
|
%
|
||
|
|
\def\removeemptybraces\empty#1\relax{#1}
|
||
|
|
|
||
|
|
% After \spacesplit has done its work, this is called -- #1 is the final
|
||
|
|
% thing to call, #2 the type name (which starts with \empty), and #3
|
||
|
|
% (which might be empty) the arguments.
|
||
|
|
%
|
||
|
|
\def\parsetpheaderline#1#2#3{%
|
||
|
|
#1{\removeemptybraces#2\relax}{#3}%
|
||
|
|
}%
|
||
|
|
|
||
|
|
\def\defopvarparsebody #1#2#3#4#5 {\begingroup\inENV %
|
||
|
|
\medbreak %
|
||
|
|
% Define the end token that this defining construct specifies
|
||
|
|
% so that it will exit this group.
|
||
|
|
\def#1{\endgraf\endgroup\medbreak}%
|
||
|
|
\def#2##1 ##2 {\def#4{##1}%
|
||
|
|
\begingroup\obeylines\spacesplit{#3{##2}}}%
|
||
|
|
\parindent=0in
|
||
|
|
\advance\leftskip by \defbodyindent
|
||
|
|
\exdentamount=\defbodyindent
|
||
|
|
\begingroup\obeylines\spacesplit{#3{#5}}}
|
||
|
|
|
||
|
|
% Split up #2 at the first space token.
|
||
|
|
% call #1 with two arguments:
|
||
|
|
% the first is all of #2 before the space token,
|
||
|
|
% the second is all of #2 after that space token.
|
||
|
|
% If #2 contains no space token, all of it is passed as the first arg
|
||
|
|
% and the second is passed as empty.
|
||
|
|
|
||
|
|
{\obeylines
|
||
|
|
\gdef\spacesplit#1#2^^M{\endgroup\spacesplitfoo{#1}#2 \relax\spacesplitfoo}%
|
||
|
|
\long\gdef\spacesplitfoo#1#2 #3#4\spacesplitfoo{%
|
||
|
|
\ifx\relax #3%
|
||
|
|
#1{#2}{}\else #1{#2}{#3#4}\fi}}
|
||
|
|
|
||
|
|
% So much for the things common to all kinds of definitions.
|
||
|
|
|
||
|
|
% Define @defun.
|
||
|
|
|
||
|
|
% First, define the processing that is wanted for arguments of \defun
|
||
|
|
% Use this to expand the args and terminate the paragraph they make up
|
||
|
|
|
||
|
|
\def\defunargs #1{\functionparens \sl
|
||
|
|
% Expand, preventing hyphenation at `-' chars.
|
||
|
|
% Note that groups don't affect changes in \hyphenchar.
|
||
|
|
\hyphenchar\tensl=0
|
||
|
|
#1%
|
||
|
|
\hyphenchar\tensl=45
|
||
|
|
\ifnum\parencount=0 \else \errmessage{Unbalanced parentheses in @def}\fi%
|
||
|
|
\interlinepenalty=10000
|
||
|
|
\advance\rightskip by 0pt plus 1fil
|
||
|
|
\endgraf\nobreak\vskip -\parskip\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
\def\deftypefunargs #1{%
|
||
|
|
% Expand, preventing hyphenation at `-' chars.
|
||
|
|
% Note that groups don't affect changes in \hyphenchar.
|
||
|
|
% Use \boldbraxnoamp, not \functionparens, so that & is not special.
|
||
|
|
\boldbraxnoamp
|
||
|
|
\tclose{#1}% avoid \code because of side effects on active chars
|
||
|
|
\interlinepenalty=10000
|
||
|
|
\advance\rightskip by 0pt plus 1fil
|
||
|
|
\endgraf\nobreak\vskip -\parskip\nobreak
|
||
|
|
}
|
||
|
|
|
||
|
|
% Do complete processing of one @defun or @defunx line already parsed.
|
||
|
|
|
||
|
|
% @deffn Command forward-char nchars
|
||
|
|
|
||
|
|
\def\deffn{\defmethparsebody\Edeffn\deffnx\deffnheader}
|
||
|
|
|
||
|
|
\def\deffnheader #1#2#3{\doind {fn}{\code{#2}}%
|
||
|
|
\begingroup\defname {#2}{#1}\defunargs{#3}\endgroup %
|
||
|
|
\catcode 61=\other % Turn off change made in \defparsebody
|
||
|
|
}
|
||
|
|
|
||
|
|
% @defun == @deffn Function
|
||
|
|
|
||
|
|
\def\defun{\defparsebody\Edefun\defunx\defunheader}
|
||
|
|
|
||
|
|
\def\defunheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
|
||
|
|
\begingroup\defname {#1}{Function}%
|
||
|
|
\defunargs {#2}\endgroup %
|
||
|
|
\catcode 61=\other % Turn off change made in \defparsebody
|
||
|
|
}
|
||
|
|
|
||
|
|
% @deftypefun int foobar (int @var{foo}, float @var{bar})
|
||
|
|
|
||
|
|
\def\deftypefun{\defparsebody\Edeftypefun\deftypefunx\deftypefunheader}
|
||
|
|
|
||
|
|
% #1 is the data type. #2 is the name and args.
|
||
|
|
\def\deftypefunheader #1#2{\deftypefunheaderx{#1}#2 \relax}
|
||
|
|
% #1 is the data type, #2 the name, #3 the args.
|
||
|
|
\def\deftypefunheaderx #1#2 #3\relax{%
|
||
|
|
\doind {fn}{\code{#2}}% Make entry in function index
|
||
|
|
\begingroup\defname {\defheaderxcond#1\relax$$$#2}{Function}%
|
||
|
|
\deftypefunargs {#3}\endgroup %
|
||
|
|
\catcode 61=\other % Turn off change made in \defparsebody
|
||
|
|
}
|
||
|
|
|
||
|
|
% @deftypefn {Library Function} int foobar (int @var{foo}, float @var{bar})
|
||
|
|
|
||
|
|
\def\deftypefn{\defmethparsebody\Edeftypefn\deftypefnx\deftypefnheader}
|
||
|
|
|
||
|
|
% \defheaderxcond#1\relax$$$
|
||
|
|
% puts #1 in @code, followed by a space, but does nothing if #1 is null.
|
||
|
|
\def\defheaderxcond#1#2$$${\ifx#1\relax\else\code{#1#2} \fi}
|
||
|
|
|
||
|
|
% #1 is the classification. #2 is the data type. #3 is the name and args.
|
||
|
|
\def\deftypefnheader #1#2#3{\deftypefnheaderx{#1}{#2}#3 \relax}
|
||
|
|
% #1 is the classification, #2 the data type, #3 the name, #4 the args.
|
||
|
|
\def\deftypefnheaderx #1#2#3 #4\relax{%
|
||
|
|
\doind {fn}{\code{#3}}% Make entry in function index
|
||
|
|
\begingroup
|
||
|
|
\normalparens % notably, turn off `&' magic, which prevents
|
||
|
|
% at least some C++ text from working
|
||
|
|
\defname {\defheaderxcond#2\relax$$$#3}{#1}%
|
||
|
|
\deftypefunargs {#4}\endgroup %
|
||
|
|
\catcode 61=\other % Turn off change made in \defparsebody
|
||
|
|
}
|
||
|
|
|
||
|
|
% @defmac == @deffn Macro
|
||
|
|
|
||
|
|
\def\defmac{\defparsebody\Edefmac\defmacx\defmacheader}
|
||
|
|
|
||
|
|
\def\defmacheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
|
||
|
|
\begingroup\defname {#1}{Macro}%
|
||
|
|
\defunargs {#2}\endgroup %
|
||
|
|
\catcode 61=\other % Turn off change made in \defparsebody
|
||
|
|
}
|
||
|
|
|
||
|
|
% @defspec == @deffn Special Form
|
||
|
|
|
||
|
|
\def\defspec{\defparsebody\Edefspec\defspecx\defspecheader}
|
||
|
|
|
||
|
|
\def\defspecheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
|
||
|
|
\begingroup\defname {#1}{Special Form}%
|
||
|
|
\defunargs {#2}\endgroup %
|
||
|
|
\catcode 61=\other % Turn off change made in \defparsebody
|
||
|
|
}
|
||
|
|
|
||
|
|
% This definition is run if you use @defunx
|
||
|
|
% anywhere other than immediately after a @defun or @defunx.
|
||
|
|
|
||
|
|
\def\deffnx #1 {\errmessage{@deffnx in invalid context}}
|
||
|
|
\def\defunx #1 {\errmessage{@defunx in invalid context}}
|
||
|
|
\def\defmacx #1 {\errmessage{@defmacx in invalid context}}
|
||
|
|
\def\defspecx #1 {\errmessage{@defspecx in invalid context}}
|
||
|
|
\def\deftypefnx #1 {\errmessage{@deftypefnx in invalid context}}
|
||
|
|
\def\deftypemethodx #1 {\errmessage{@deftypemethodx in invalid context}}
|
||
|
|
\def\deftypefunx #1 {\errmessage{@deftypefunx in invalid context}}
|
||
|
|
|
||
|
|
% @defmethod, and so on
|
||
|
|
|
||
|
|
% @defop CATEGORY CLASS OPERATION ARG...
|
||
|
|
|
||
|
|
\def\defop #1 {\def\defoptype{#1}%
|
||
|
|
\defopparsebody\Edefop\defopx\defopheader\defoptype}
|
||
|
|
|
||
|
|
\def\defopheader #1#2#3{%
|
||
|
|
\dosubind {fn}{\code{#2}}{\putwordon\ #1}% Make entry in function index
|
||
|
|
\begingroup\defname {#2}{\defoptype{} on #1}%
|
||
|
|
\defunargs {#3}\endgroup %
|
||
|
|
}
|
||
|
|
|
||
|
|
% @deftypemethod CLASS RETURN-TYPE METHOD ARG...
|
||
|
|
%
|
||
|
|
\def\deftypemethod{%
|
||
|
|
\deftypemethparsebody\Edeftypemethod\deftypemethodx\deftypemethodheader}
|
||
|
|
%
|
||
|
|
% #1 is the class name, #2 the data type, #3 the method name, #4 the args.
|
||
|
|
\def\deftypemethodheader#1#2#3#4{%
|
||
|
|
\dosubind{fn}{\code{#3}}{\putwordon\ \code{#1}}% entry in function index
|
||
|
|
\begingroup
|
||
|
|
\defname{\defheaderxcond#2\relax$$$#3}{\putwordMethodon\ \code{#1}}%
|
||
|
|
\deftypefunargs{#4}%
|
||
|
|
\endgroup
|
||
|
|
}
|
||
|
|
|
||
|
|
% @defmethod == @defop Method
|
||
|
|
%
|
||
|
|
\def\defmethod{\defmethparsebody\Edefmethod\defmethodx\defmethodheader}
|
||
|
|
%
|
||
|
|
% #1 is the class name, #2 the method name, #3 the args.
|
||
|
|
\def\defmethodheader#1#2#3{%
|
||
|
|
\dosubind{fn}{\code{#2}}{\putwordon\ \code{#1}}% entry in function index
|
||
|
|
\begingroup
|
||
|
|
\defname{#2}{\putwordMethodon\ \code{#1}}%
|
||
|
|
\defunargs{#3}%
|
||
|
|
\endgroup
|
||
|
|
}
|
||
|
|
|
||
|
|
% @defcv {Class Option} foo-class foo-flag
|
||
|
|
|
||
|
|
\def\defcv #1 {\def\defcvtype{#1}%
|
||
|
|
\defopvarparsebody\Edefcv\defcvx\defcvarheader\defcvtype}
|
||
|
|
|
||
|
|
\def\defcvarheader #1#2#3{%
|
||
|
|
\dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
|
||
|
|
\begingroup\defname {#2}{\defcvtype{} of #1}%
|
||
|
|
\defvarargs {#3}\endgroup %
|
||
|
|
}
|
||
|
|
|
||
|
|
% @defivar == @defcv {Instance Variable}
|
||
|
|
|
||
|
|
\def\defivar{\defvrparsebody\Edefivar\defivarx\defivarheader}
|
||
|
|
|
||
|
|
\def\defivarheader #1#2#3{%
|
||
|
|
\dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
|
||
|
|
\begingroup\defname {#2}{Instance Variable of #1}%
|
||
|
|
\defvarargs {#3}\endgroup %
|
||
|
|
}
|
||
|
|
|
||
|
|
% These definitions are run if you use @defmethodx, etc.,
|
||
|
|
% anywhere other than immediately after a @defmethod, etc.
|
||
|
|
|
||
|
|
\def\defopx #1 {\errmessage{@defopx in invalid context}}
|
||
|
|
\def\defmethodx #1 {\errmessage{@defmethodx in invalid context}}
|
||
|
|
\def\defcvx #1 {\errmessage{@defcvx in invalid context}}
|
||
|
|
\def\defivarx #1 {\errmessage{@defivarx in invalid context}}
|
||
|
|
|
||
|
|
% Now @defvar
|
||
|
|
|
||
|
|
% First, define the processing that is wanted for arguments of @defvar.
|
||
|
|
% This is actually simple: just print them in roman.
|
||
|
|
% This must expand the args and terminate the paragraph they make up
|
||
|
|
\def\defvarargs #1{\normalparens #1%
|
||
|
|
\interlinepenalty=10000
|
||
|
|
\endgraf\nobreak\vskip -\parskip\nobreak}
|
||
|
|
|
||
|
|
% @defvr Counter foo-count
|
||
|
|
|
||
|
|
\def\defvr{\defvrparsebody\Edefvr\defvrx\defvrheader}
|
||
|
|
|
||
|
|
\def\defvrheader #1#2#3{\doind {vr}{\code{#2}}%
|
||
|
|
\begingroup\defname {#2}{#1}\defvarargs{#3}\endgroup}
|
||
|
|
|
||
|
|
% @defvar == @defvr Variable
|
||
|
|
|
||
|
|
\def\defvar{\defvarparsebody\Edefvar\defvarx\defvarheader}
|
||
|
|
|
||
|
|
\def\defvarheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
|
||
|
|
\begingroup\defname {#1}{Variable}%
|
||
|
|
\defvarargs {#2}\endgroup %
|
||
|
|
}
|
||
|
|
|
||
|
|
% @defopt == @defvr {User Option}
|
||
|
|
|
||
|
|
\def\defopt{\defvarparsebody\Edefopt\defoptx\defoptheader}
|
||
|
|
|
||
|
|
\def\defoptheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
|
||
|
|
\begingroup\defname {#1}{User Option}%
|
||
|
|
\defvarargs {#2}\endgroup %
|
||
|
|
}
|
||
|
|
|
||
|
|
% @deftypevar int foobar
|
||
|
|
|
||
|
|
\def\deftypevar{\defvarparsebody\Edeftypevar\deftypevarx\deftypevarheader}
|
||
|
|
|
||
|
|
% #1 is the data type. #2 is the name, perhaps followed by text that
|
||
|
|
% is actually part of the data type, which should not be put into the index.
|
||
|
|
\def\deftypevarheader #1#2{%
|
||
|
|
\dovarind#2 \relax% Make entry in variables index
|
||
|
|
\begingroup\defname {\defheaderxcond#1\relax$$$#2}{Variable}%
|
||
|
|
\interlinepenalty=10000
|
||
|
|
\endgraf\nobreak\vskip -\parskip\nobreak
|
||
|
|
\endgroup}
|
||
|
|
\def\dovarind#1 #2\relax{\doind{vr}{\code{#1}}}
|
||
|
|
|
||
|
|
% @deftypevr {Global Flag} int enable
|
||
|
|
|
||
|
|
\def\deftypevr{\defvrparsebody\Edeftypevr\deftypevrx\deftypevrheader}
|
||
|
|
|
||
|
|
\def\deftypevrheader #1#2#3{\dovarind#3 \relax%
|
||
|
|
\begingroup\defname {\defheaderxcond#2\relax$$$#3}{#1}
|
||
|
|
\interlinepenalty=10000
|
||
|
|
\endgraf\nobreak\vskip -\parskip\nobreak
|
||
|
|
\endgroup}
|
||
|
|
|
||
|
|
% This definition is run if you use @defvarx
|
||
|
|
% anywhere other than immediately after a @defvar or @defvarx.
|
||
|
|
|
||
|
|
\def\defvrx #1 {\errmessage{@defvrx in invalid context}}
|
||
|
|
\def\defvarx #1 {\errmessage{@defvarx in invalid context}}
|
||
|
|
\def\defoptx #1 {\errmessage{@defoptx in invalid context}}
|
||
|
|
\def\deftypevarx #1 {\errmessage{@deftypevarx in invalid context}}
|
||
|
|
\def\deftypevrx #1 {\errmessage{@deftypevrx in invalid context}}
|
||
|
|
|
||
|
|
% Now define @deftp
|
||
|
|
% Args are printed in bold, a slight difference from @defvar.
|
||
|
|
|
||
|
|
\def\deftpargs #1{\bf \defvarargs{#1}}
|
||
|
|
|
||
|
|
% @deftp Class window height width ...
|
||
|
|
|
||
|
|
\def\deftp{\deftpparsebody\Edeftp\deftpx\deftpheader}
|
||
|
|
|
||
|
|
\def\deftpheader #1#2#3{\doind {tp}{\code{#2}}%
|
||
|
|
\begingroup\defname {#2}{#1}\deftpargs{#3}\endgroup}
|
||
|
|
|
||
|
|
% This definition is run if you use @deftpx, etc
|
||
|
|
% anywhere other than immediately after a @deftp, etc.
|
||
|
|
|
||
|
|
\def\deftpx #1 {\errmessage{@deftpx in invalid context}}
|
||
|
|
|
||
|
|
|
||
|
|
\message{macros,}
|
||
|
|
% @macro.
|
||
|
|
|
||
|
|
% 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
|
||
|
|
\immediate\openout\macscribble=\jobname.tmp
|
||
|
|
\immediate\write\macscribble{#1}%
|
||
|
|
\immediate\closeout\macscribble
|
||
|
|
\let\xeatspaces\eatspaces
|
||
|
|
\input \jobname.tmp
|
||
|
|
\endgroup
|
||
|
|
}
|
||
|
|
\else
|
||
|
|
\def\scanmacro#1{%
|
||
|
|
\begingroup \newlinechar`\^^M
|
||
|
|
\let\xeatspaces\eatspaces\scantokens{#1}\endgroup}
|
||
|
|
\fi
|
||
|
|
|
||
|
|
\newcount\paramno % Count of parameters
|
||
|
|
\newtoks\macname % Macro name
|
||
|
|
\newif\ifrecursive % Is it recursive?
|
||
|
|
|
||
|
|
% Utility routines.
|
||
|
|
% Thisdoes \let #1 = #2, except with \csnames.
|
||
|
|
\def\cslet#1#2{%
|
||
|
|
\expandafter\expandafter
|
||
|
|
\expandafter\let
|
||
|
|
\expandafter\expandafter
|
||
|
|
\csname#1\endcsname
|
||
|
|
\csname#2\endcsname}
|
||
|
|
|
||
|
|
% Trim leading and trailing spaces off a string.
|
||
|
|
% Concepts from aro-bend problem 15 (see CTAN).
|
||
|
|
{\catcode`\@=11
|
||
|
|
\gdef\eatspaces #1{\expandafter\trim@\expandafter{#1 }}
|
||
|
|
\gdef\trim@ #1{\trim@@ @#1 @ #1 @ @@}
|
||
|
|
\gdef\trim@@ #1@ #2@ #3@@{\trim@@@\empty #2 @}
|
||
|
|
\def\unbrace#1{#1}
|
||
|
|
\unbrace{\gdef\trim@@@ #1 } #2@{#1}
|
||
|
|
}
|
||
|
|
|
||
|
|
% Trim a single trailing ^^M off a string.
|
||
|
|
{\catcode`\^^M=12\catcode`\Q=3%
|
||
|
|
\gdef\eatcr #1{\eatcra #1Q^^MQ}%
|
||
|
|
\gdef\eatcra#1^^MQ{\eatcrb#1Q}%
|
||
|
|
\gdef\eatcrb#1Q#2Q{#1}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% Macro bodies are absorbed as an argument in a context where
|
||
|
|
% all characters are catcode 10, 11 or 12, except \ which is active
|
||
|
|
% (as in normal texinfo). It is necessary to change the definition of \.
|
||
|
|
|
||
|
|
% It's necessary to have hard CRs when the macro is executed. This is
|
||
|
|
% done by making ^^M (\endlinechar) catcode 12 when reading the macro
|
||
|
|
% body, and then making it the \newlinechar in \scanmacro.
|
||
|
|
|
||
|
|
\def\macrobodyctxt{%
|
||
|
|
\catcode`\~=12
|
||
|
|
\catcode`\^=12
|
||
|
|
\catcode`\_=12
|
||
|
|
\catcode`\|=12
|
||
|
|
\catcode`\<=12
|
||
|
|
\catcode`\>=12
|
||
|
|
\catcode`\+=12
|
||
|
|
\catcode`\{=12
|
||
|
|
\catcode`\}=12
|
||
|
|
\catcode`\@=12
|
||
|
|
\catcode`\^^M=12
|
||
|
|
\usembodybackslash}
|
||
|
|
|
||
|
|
% \mbodybackslash is the definition of \ in @macro bodies.
|
||
|
|
% It maps \foo\ => \csname macarg.foo\endcsname => #N
|
||
|
|
% where N is the macro parameter number.
|
||
|
|
% We define \csname macarg.\endcsname to be \realbackslash, so
|
||
|
|
% \\ in macro replacement text gets you a backslash.
|
||
|
|
|
||
|
|
{\catcode`@=0 @catcode`@\=@active
|
||
|
|
@gdef@usembodybackslash{@let\=@mbodybackslash}
|
||
|
|
@gdef@mbodybackslash#1\{@csname macarg.#1@endcsname}
|
||
|
|
}
|
||
|
|
\expandafter\def\csname macarg.\endcsname{\realbackslash}
|
||
|
|
|
||
|
|
\def\macro{\recursivefalse\parsearg\macroxxx}
|
||
|
|
\def\rmacro{\recursivetrue\parsearg\macroxxx}
|
||
|
|
|
||
|
|
\def\macroxxx#1{%
|
||
|
|
\getargs{#1}% now \macname is the macname and \argl the arglist
|
||
|
|
\ifx\argl\empty % no arguments
|
||
|
|
\paramno=0%
|
||
|
|
\else
|
||
|
|
\expandafter\parsemargdef \argl;%
|
||
|
|
\fi
|
||
|
|
\expandafter\ifx \csname macsave.\the\macname\endcsname \relax
|
||
|
|
\cslet{macsave.\the\macname}{\the\macname}%
|
||
|
|
\else
|
||
|
|
\message{Warning: redefining \the\macname}%
|
||
|
|
\fi
|
||
|
|
\begingroup \macrobodyctxt
|
||
|
|
\ifrecursive \expandafter\parsermacbody
|
||
|
|
\else \expandafter\parsemacbody
|
||
|
|
\fi}
|
||
|
|
|
||
|
|
\def\unmacro{\parsearg\unmacroxxx}
|
||
|
|
\def\unmacroxxx#1{%
|
||
|
|
\expandafter\ifx \csname macsave.\the\macname\endcsname \relax
|
||
|
|
\errmessage{Macro \the\macname\ not defined.}%
|
||
|
|
\else
|
||
|
|
\cslet{#1}{macsave.#1}%
|
||
|
|
\expandafter\let \csname macsave.\the\macname\endcsname \undefined
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% This makes use of the obscure feature that if the last token of a
|
||
|
|
% <parameter list> is #, then the preceding argument is delimited by
|
||
|
|
% an opening brace, and that opening brace is not consumed.
|
||
|
|
\def\getargs#1{\getargsxxx#1{}}
|
||
|
|
\def\getargsxxx#1#{\getmacname #1 \relax\getmacargs}
|
||
|
|
\def\getmacname #1 #2\relax{\macname={#1}}
|
||
|
|
\def\getmacargs#1{\def\argl{#1}}
|
||
|
|
|
||
|
|
% Parse the optional {params} list. Set up \paramno and \paramlist
|
||
|
|
% so \defmacro knows what to do. Define \macarg.blah for each blah
|
||
|
|
% in the params list, to be ##N where N is the position in that list.
|
||
|
|
% That gets used by \mbodybackslash (above).
|
||
|
|
|
||
|
|
% We need to get `macro parameter char #' into several definitions.
|
||
|
|
% The technique used is stolen from LaTeX: let \hash be something
|
||
|
|
% unexpandable, insert that wherever you need a #, and then redefine
|
||
|
|
% it to # just before using the token list produced.
|
||
|
|
%
|
||
|
|
% The same technique is used to protect \eatspaces till just before
|
||
|
|
% the macro is used.
|
||
|
|
|
||
|
|
\def\parsemargdef#1;{\paramno=0\def\paramlist{}%
|
||
|
|
\let\hash\relax\let\xeatspaces\relax\parsemargdefxxx#1,;,}
|
||
|
|
\def\parsemargdefxxx#1,{%
|
||
|
|
\if#1;\let\next=\relax
|
||
|
|
\else \let\next=\parsemargdefxxx
|
||
|
|
\advance\paramno by 1%
|
||
|
|
\expandafter\edef\csname macarg.\eatspaces{#1}\endcsname
|
||
|
|
{\xeatspaces{\hash\the\paramno}}%
|
||
|
|
\edef\paramlist{\paramlist\hash\the\paramno,}%
|
||
|
|
\fi\next}
|
||
|
|
|
||
|
|
% These two commands read recursive and nonrecursive macro bodies.
|
||
|
|
% (They're different since rec and nonrec macros end differently.)
|
||
|
|
|
||
|
|
\long\def\parsemacbody#1@end macro%
|
||
|
|
{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}%
|
||
|
|
\long\def\parsermacbody#1@end rmacro%
|
||
|
|
{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}%
|
||
|
|
|
||
|
|
% This defines the macro itself. There are six cases: recursive and
|
||
|
|
% nonrecursive macros of zero, one, and many arguments.
|
||
|
|
% Much magic with \expandafter here.
|
||
|
|
% \xdef is used so that macro definitions will survive the file
|
||
|
|
% they're defined in; @include reads the file inside a group.
|
||
|
|
\def\defmacro{%
|
||
|
|
\let\hash=##% convert placeholders to macro parameter chars
|
||
|
|
\ifrecursive
|
||
|
|
\ifcase\paramno
|
||
|
|
% 0
|
||
|
|
\expandafter\xdef\csname\the\macname\endcsname{%
|
||
|
|
\noexpand\scanmacro{\temp}}%
|
||
|
|
\or % 1
|
||
|
|
\expandafter\xdef\csname\the\macname\endcsname{%
|
||
|
|
\noexpand\braceorline\csname\the\macname xxx\endcsname}%
|
||
|
|
\expandafter\xdef\csname\the\macname xxx\endcsname##1{%
|
||
|
|
\noexpand\scanmacro{\temp}}%
|
||
|
|
\else % many
|
||
|
|
\expandafter\xdef\csname\the\macname\endcsname##1{%
|
||
|
|
\csname\the\macname xxx\endcsname ##1,}%
|
||
|
|
\expandafter\expandafter
|
||
|
|
\expandafter\xdef
|
||
|
|
\expandafter\expandafter
|
||
|
|
\csname\the\macname xxx\endcsname
|
||
|
|
\paramlist{\noexpand\scanmacro{\temp}}%
|
||
|
|
\fi
|
||
|
|
\else
|
||
|
|
\ifcase\paramno
|
||
|
|
% 0
|
||
|
|
\expandafter\xdef\csname\the\macname\endcsname{%
|
||
|
|
\noexpand\norecurse{\the\macname}%
|
||
|
|
\noexpand\scanmacro{\temp}\egroup}%
|
||
|
|
\or % 1
|
||
|
|
\expandafter\xdef\csname\the\macname\endcsname{%
|
||
|
|
\noexpand\braceorline\csname\the\macname xxx\endcsname}%
|
||
|
|
\expandafter\xdef\csname\the\macname xxx\endcsname##1{%
|
||
|
|
\noexpand\norecurse{\the\macname}%
|
||
|
|
\noexpand\scanmacro{\temp}\egroup}%
|
||
|
|
\else % many
|
||
|
|
\expandafter\xdef\csname\the\macname\endcsname##1{%
|
||
|
|
\csname\the\macname xxx\endcsname ##1,}%
|
||
|
|
\expandafter\expandafter
|
||
|
|
\expandafter\xdef
|
||
|
|
\expandafter\expandafter
|
||
|
|
\csname\the\macname xxx\endcsname
|
||
|
|
\paramlist{%
|
||
|
|
\noexpand\norecurse{\the\macname}%
|
||
|
|
\noexpand\scanmacro{\temp}\egroup}%
|
||
|
|
\fi
|
||
|
|
\fi}
|
||
|
|
|
||
|
|
\def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}}
|
||
|
|
|
||
|
|
% \braceorline decides whether the next nonwhitespace character is a
|
||
|
|
% {. If so it reads up to the closing }, if not, it reads the whole
|
||
|
|
% line. Whatever was read is then fed to the next control sequence
|
||
|
|
% as an argument (by \parsebrace or \parsearg)
|
||
|
|
\def\braceorline#1{\let\next=#1\futurelet\nchar\braceorlinexxx}
|
||
|
|
\def\braceorlinexxx{%
|
||
|
|
\ifx\nchar\bgroup\else
|
||
|
|
\expandafter\parsearg
|
||
|
|
\fi \next}
|
||
|
|
|
||
|
|
|
||
|
|
\message{cross references,}
|
||
|
|
\newwrite\auxfile
|
||
|
|
|
||
|
|
\newif\ifhavexrefs % True if xref values are known.
|
||
|
|
\newif\ifwarnedxrefs % True if we warned once that they aren't known.
|
||
|
|
|
||
|
|
% @inforef is relatively simple.
|
||
|
|
\def\inforef #1{\inforefzzz #1,,,,**}
|
||
|
|
\def\inforefzzz #1,#2,#3,#4**{\putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}},
|
||
|
|
node \samp{\ignorespaces#1{}}}
|
||
|
|
|
||
|
|
% @node's job is to define \lastnode.
|
||
|
|
\def\node{\ENVcheck\parsearg\nodezzz}
|
||
|
|
\def\nodezzz#1{\nodexxx [#1,]}
|
||
|
|
\def\nodexxx[#1,#2]{\gdef\lastnode{#1}}
|
||
|
|
\let\nwnode=\node
|
||
|
|
\let\lastnode=\relax
|
||
|
|
|
||
|
|
% The sectioning commands (@chapter, etc.) call these.
|
||
|
|
\def\donoderef{%
|
||
|
|
\ifx\lastnode\relax\else
|
||
|
|
\expandafter\expandafter\expandafter\setref{\lastnode}%
|
||
|
|
{Ysectionnumberandtype}%
|
||
|
|
\global\let\lastnode=\relax
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
\def\unnumbnoderef{%
|
||
|
|
\ifx\lastnode\relax\else
|
||
|
|
\expandafter\expandafter\expandafter\setref{\lastnode}{Ynothing}%
|
||
|
|
\global\let\lastnode=\relax
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
\def\appendixnoderef{%
|
||
|
|
\ifx\lastnode\relax\else
|
||
|
|
\expandafter\expandafter\expandafter\setref{\lastnode}%
|
||
|
|
{Yappendixletterandtype}%
|
||
|
|
\global\let\lastnode=\relax
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
% @anchor{NAME} -- define xref target at arbitrary point.
|
||
|
|
%
|
||
|
|
\def\anchor#1{\setref{#1}{Ynothing}}
|
||
|
|
|
||
|
|
|
||
|
|
% \setref{NAME}{SNT} defines a cross-reference point NAME, namely
|
||
|
|
% NAME-title, NAME-pg, and NAME-SNT. Called from \foonoderef. We have
|
||
|
|
% to set \indexdummies so commands such as @code in a section title
|
||
|
|
% aren't expanded. It would be nicer not to expand the titles in the
|
||
|
|
% first place, but there's so many layers that that is hard to do.
|
||
|
|
%
|
||
|
|
\def\setref#1#2{{%
|
||
|
|
\indexdummies
|
||
|
|
\dosetq{#1-title}{Ytitle}%
|
||
|
|
\dosetq{#1-pg}{Ypagenumber}%
|
||
|
|
\dosetq{#1-snt}{#2}
|
||
|
|
}}
|
||
|
|
|
||
|
|
% @xref, @pxref, and @ref generate cross-references. For \xrefX, #1 is
|
||
|
|
% the node name, #2 the name of the Info cross-reference, #3 the printed
|
||
|
|
% node name, #4 the name of the Info file, #5 the name of the printed
|
||
|
|
% manual. All but the node name can be omitted.
|
||
|
|
%
|
||
|
|
\def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]}
|
||
|
|
\def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]}
|
||
|
|
\def\ref#1{\xrefX[#1,,,,,,,]}
|
||
|
|
\def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup
|
||
|
|
\def\printedmanual{\ignorespaces #5}%
|
||
|
|
\def\printednodename{\ignorespaces #3}%
|
||
|
|
\setbox1=\hbox{\printedmanual}%
|
||
|
|
\setbox0=\hbox{\printednodename}%
|
||
|
|
\ifdim \wd0 = 0pt
|
||
|
|
% No printed node name was explicitly given.
|
||
|
|
\expandafter\ifx\csname SETxref-automatic-section-title\endcsname\relax
|
||
|
|
% Use the node name inside the square brackets.
|
||
|
|
\def\printednodename{\ignorespaces #1}%
|
||
|
|
\else
|
||
|
|
% Use the actual chapter/section title appear inside
|
||
|
|
% the square brackets. Use the real section title if we have it.
|
||
|
|
\ifdim \wd1 > 0pt
|
||
|
|
% It is in another manual, so we don't have it.
|
||
|
|
\def\printednodename{\ignorespaces #1}%
|
||
|
|
\else
|
||
|
|
\ifhavexrefs
|
||
|
|
% We know the real title if we have the xref values.
|
||
|
|
\def\printednodename{\refx{#1-title}{}}%
|
||
|
|
\else
|
||
|
|
% Otherwise just copy the Info node name.
|
||
|
|
\def\printednodename{\ignorespaces #1}%
|
||
|
|
\fi%
|
||
|
|
\fi
|
||
|
|
\fi
|
||
|
|
\fi
|
||
|
|
%
|
||
|
|
% 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{} ``\printednodename'' in \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.
|
||
|
|
{\normalturnoffactive
|
||
|
|
% 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
|
||
|
|
}%
|
||
|
|
% [mynode],
|
||
|
|
[\printednodename],\space
|
||
|
|
% page 3
|
||
|
|
\turnoffactive \putwordpage\tie\refx{#1-pg}{}%
|
||
|
|
\fi
|
||
|
|
\endgroup}
|
||
|
|
|
||
|
|
% \dosetq is the interface for calls from other macros
|
||
|
|
|
||
|
|
% Use \normalturnoffactive so that punctuation chars such as underscore
|
||
|
|
% and backslash work in node names. (\turnoffactive doesn't do \.)
|
||
|
|
\def\dosetq#1#2{%
|
||
|
|
{\let\folio=0
|
||
|
|
\normalturnoffactive
|
||
|
|
\edef\next{\write\auxfile{\internalsetq{#1}{#2}}}%
|
||
|
|
\iflinks
|
||
|
|
\next
|
||
|
|
\fi
|
||
|
|
}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% \internalsetq {foo}{page} expands into
|
||
|
|
% CHARACTERS 'xrdef {foo}{...expansion of \Ypage...}
|
||
|
|
% When the aux file is read, ' is the escape character
|
||
|
|
|
||
|
|
\def\internalsetq #1#2{'xrdef {#1}{\csname #2\endcsname}}
|
||
|
|
|
||
|
|
% Things to be expanded by \internalsetq
|
||
|
|
|
||
|
|
\def\Ypagenumber{\folio}
|
||
|
|
|
||
|
|
\def\Ytitle{\thissection}
|
||
|
|
|
||
|
|
\def\Ynothing{}
|
||
|
|
|
||
|
|
\def\Ysectionnumberandtype{%
|
||
|
|
\ifnum\secno=0 \putwordChapter\xreftie\the\chapno %
|
||
|
|
\else \ifnum \subsecno=0 \putwordSection\xreftie\the\chapno.\the\secno %
|
||
|
|
\else \ifnum \subsubsecno=0 %
|
||
|
|
\putwordSection\xreftie\the\chapno.\the\secno.\the\subsecno %
|
||
|
|
\else %
|
||
|
|
\putwordSection\xreftie\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno %
|
||
|
|
\fi \fi \fi }
|
||
|
|
|
||
|
|
\def\Yappendixletterandtype{%
|
||
|
|
\ifnum\secno=0 \putwordAppendix\xreftie'char\the\appendixno{}%
|
||
|
|
\else \ifnum \subsecno=0 \putwordSection\xreftie'char\the\appendixno.\the\secno %
|
||
|
|
\else \ifnum \subsubsecno=0 %
|
||
|
|
\putwordSection\xreftie'char\the\appendixno.\the\secno.\the\subsecno %
|
||
|
|
\else %
|
||
|
|
\putwordSection\xreftie'char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno %
|
||
|
|
\fi \fi \fi }
|
||
|
|
|
||
|
|
\gdef\xreftie{'tie}
|
||
|
|
|
||
|
|
% Use TeX 3.0's \inputlineno to get the line number, for better error
|
||
|
|
% messages, but if we're using an old version of TeX, don't do anything.
|
||
|
|
%
|
||
|
|
\ifx\inputlineno\thisisundefined
|
||
|
|
\let\linenumber = \empty % Non-3.0.
|
||
|
|
\else
|
||
|
|
\def\linenumber{\the\inputlineno:\space}
|
||
|
|
\fi
|
||
|
|
|
||
|
|
% Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME.
|
||
|
|
% If its value is nonempty, SUFFIX is output afterward.
|
||
|
|
|
||
|
|
\def\refx#1#2{%
|
||
|
|
\expandafter\ifx\csname X#1\endcsname\relax
|
||
|
|
% If not defined, say something at least.
|
||
|
|
\angleleft un\-de\-fined\angleright
|
||
|
|
\iflinks
|
||
|
|
\ifhavexrefs
|
||
|
|
\message{\linenumber Undefined cross reference `#1'.}%
|
||
|
|
\else
|
||
|
|
\ifwarnedxrefs\else
|
||
|
|
\global\warnedxrefstrue
|
||
|
|
\message{Cross reference values unknown; you must run TeX again.}%
|
||
|
|
\fi
|
||
|
|
\fi
|
||
|
|
\fi
|
||
|
|
\else
|
||
|
|
% It's defined, so just use it.
|
||
|
|
\csname X#1\endcsname
|
||
|
|
\fi
|
||
|
|
#2% Output the suffix in any case.
|
||
|
|
}
|
||
|
|
|
||
|
|
% This is the macro invoked by entries in the aux file.
|
||
|
|
%
|
||
|
|
\def\xrdef#1{\begingroup
|
||
|
|
% Reenable \ as an escape while reading the second argument.
|
||
|
|
\catcode`\\ = 0
|
||
|
|
\afterassignment\endgroup
|
||
|
|
\expandafter\gdef\csname X#1\endcsname
|
||
|
|
}
|
||
|
|
|
||
|
|
% Read the last existing aux file, if any. No error if none exists.
|
||
|
|
\def\readauxfile{\begingroup
|
||
|
|
\catcode`\^^@=\other
|
||
|
|
\catcode`\^^A=\other
|
||
|
|
\catcode`\^^B=\other
|
||
|
|
\catcode`\^^C=\other
|
||
|
|
\catcode`\^^D=\other
|
||
|
|
\catcode`\^^E=\other
|
||
|
|
\catcode`\^^F=\other
|
||
|
|
\catcode`\^^G=\other
|
||
|
|
\catcode`\^^H=\other
|
||
|
|
\catcode`\^^K=\other
|
||
|
|
\catcode`\^^L=\other
|
||
|
|
\catcode`\^^N=\other
|
||
|
|
\catcode`\^^P=\other
|
||
|
|
\catcode`\^^Q=\other
|
||
|
|
\catcode`\^^R=\other
|
||
|
|
\catcode`\^^S=\other
|
||
|
|
\catcode`\^^T=\other
|
||
|
|
\catcode`\^^U=\other
|
||
|
|
\catcode`\^^V=\other
|
||
|
|
\catcode`\^^W=\other
|
||
|
|
\catcode`\^^X=\other
|
||
|
|
\catcode`\^^Z=\other
|
||
|
|
\catcode`\^^[=\other
|
||
|
|
\catcode`\^^\=\other
|
||
|
|
\catcode`\^^]=\other
|
||
|
|
\catcode`\^^^=\other
|
||
|
|
\catcode`\^^_=\other
|
||
|
|
\catcode`\@=\other
|
||
|
|
\catcode`\^=\other
|
||
|
|
% It was suggested to define this as 7, which would allow ^^e4 etc.
|
||
|
|
% in xref tags, i.e., node names. But since ^^e4 notation isn't
|
||
|
|
% supported in the main text, it doesn't seem desirable. Furthermore,
|
||
|
|
% that is not enough: for node names that actually contain a ^
|
||
|
|
% character, we would end up writing a line like this: 'xrdef {'hat
|
||
|
|
% b-title}{'hat b} and \xrdef does a \csname...\endcsname on the first
|
||
|
|
% argument, and \hat is not an expandable control sequence. It could
|
||
|
|
% all be worked out, but why? Either we support ^^ or we don't.
|
||
|
|
%
|
||
|
|
% The other change necessary for this was to define \auxhat:
|
||
|
|
% \def\auxhat{\def^{'hat }}% extra space so ok if followed by letter
|
||
|
|
% and then to call \auxhat in \setq.
|
||
|
|
%
|
||
|
|
\catcode`\~=\other
|
||
|
|
\catcode`\[=\other
|
||
|
|
\catcode`\]=\other
|
||
|
|
\catcode`\"=\other
|
||
|
|
\catcode`\_=\other
|
||
|
|
\catcode`\|=\other
|
||
|
|
\catcode`\<=\other
|
||
|
|
\catcode`\>=\other
|
||
|
|
\catcode`\$=\other
|
||
|
|
\catcode`\#=\other
|
||
|
|
\catcode`\&=\other
|
||
|
|
\catcode`+=\other % avoid \+ for paranoia even though we've turned it off
|
||
|
|
% Make the characters 128-255 be printing characters
|
||
|
|
{%
|
||
|
|
\count 1=128
|
||
|
|
\def\loop{%
|
||
|
|
\catcode\count 1=\other
|
||
|
|
\advance\count 1 by 1
|
||
|
|
\ifnum \count 1<256 \loop \fi
|
||
|
|
}%
|
||
|
|
}%
|
||
|
|
% The aux file uses ' as the escape (for now).
|
||
|
|
% 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 $-fun}{page ...} made by @defun ^^
|
||
|
|
% Reference to such entries still does not work the way one would wish,
|
||
|
|
% but at least they do not bomb out when the aux file is read in.
|
||
|
|
\catcode`\{=1
|
||
|
|
\catcode`\}=2
|
||
|
|
\catcode`\%=\other
|
||
|
|
\catcode`\'=0
|
||
|
|
\catcode`\\=\other
|
||
|
|
%
|
||
|
|
\openin 1 \jobname.aux
|
||
|
|
\ifeof 1 \else
|
||
|
|
\closein 1
|
||
|
|
\input \jobname.aux
|
||
|
|
\global\havexrefstrue
|
||
|
|
\global\warnedobstrue
|
||
|
|
\fi
|
||
|
|
% Open the new aux file. TeX will close it automatically at exit.
|
||
|
|
\openout\auxfile=\jobname.aux
|
||
|
|
\endgroup}
|
||
|
|
|
||
|
|
|
||
|
|
% Footnotes.
|
||
|
|
|
||
|
|
\newcount \footnoteno
|
||
|
|
|
||
|
|
% The trailing space in the following definition for supereject is
|
||
|
|
% vital for proper filling; pages come out unaligned when you do a
|
||
|
|
% pagealignmacro call if that space before the closing brace is
|
||
|
|
% removed. (Generally, numeric constants should always be followed by a
|
||
|
|
% space to prevent strange expansion errors.)
|
||
|
|
\def\supereject{\par\penalty -20000\footnoteno =0 }
|
||
|
|
|
||
|
|
% @footnotestyle is meaningful for info output only.
|
||
|
|
\let\footnotestyle=\comment
|
||
|
|
|
||
|
|
\let\ptexfootnote=\footnote
|
||
|
|
|
||
|
|
{\catcode `\@=11
|
||
|
|
%
|
||
|
|
% Auto-number footnotes. Otherwise like plain.
|
||
|
|
\gdef\footnote{%
|
||
|
|
\global\advance\footnoteno by \@ne
|
||
|
|
\edef\thisfootno{$^{\the\footnoteno}$}%
|
||
|
|
%
|
||
|
|
% In case the footnote comes at the end of a sentence, preserve the
|
||
|
|
% extra spacing after we do the footnote number.
|
||
|
|
\let\@sf\empty
|
||
|
|
\ifhmode\edef\@sf{\spacefactor\the\spacefactor}\/\fi
|
||
|
|
%
|
||
|
|
% Remove inadvertent blank space before typesetting the footnote number.
|
||
|
|
\unskip
|
||
|
|
\thisfootno\@sf
|
||
|
|
\footnotezzz
|
||
|
|
}%
|
||
|
|
|
||
|
|
% Don't bother with the trickery in plain.tex to not require the
|
||
|
|
% footnote text as a parameter. Our footnotes don't need to be so general.
|
||
|
|
%
|
||
|
|
% Oh yes, they do; otherwise, @ifset and anything else that uses
|
||
|
|
% \parseargline fail inside footnotes because the tokens are fixed when
|
||
|
|
% the footnote is read. --karl, 16nov96.
|
||
|
|
%
|
||
|
|
\long\gdef\footnotezzz{\insert\footins\bgroup
|
||
|
|
% We want to typeset this text as a normal paragraph, even if the
|
||
|
|
% footnote reference occurs in (for example) a display environment.
|
||
|
|
% So reset some parameters.
|
||
|
|
\interlinepenalty\interfootnotelinepenalty
|
||
|
|
\splittopskip\ht\strutbox % top baseline for broken footnotes
|
||
|
|
\splitmaxdepth\dp\strutbox
|
||
|
|
\floatingpenalty\@MM
|
||
|
|
\leftskip\z@skip
|
||
|
|
\rightskip\z@skip
|
||
|
|
\spaceskip\z@skip
|
||
|
|
\xspaceskip\z@skip
|
||
|
|
\parindent\defaultparindent
|
||
|
|
%
|
||
|
|
% Hang the footnote text off the number.
|
||
|
|
\hang
|
||
|
|
\textindent{\thisfootno}%
|
||
|
|
%
|
||
|
|
% Don't crash into the line above the footnote text. Since this
|
||
|
|
% expands into a box, it must come within the paragraph, lest it
|
||
|
|
% provide a place where TeX can split the footnote.
|
||
|
|
\footstrut
|
||
|
|
\futurelet\next\fo@t
|
||
|
|
}
|
||
|
|
\def\fo@t{\ifcat\bgroup\noexpand\next \let\next\f@@t
|
||
|
|
\else\let\next\f@t\fi \next}
|
||
|
|
\def\f@@t{\bgroup\aftergroup\@foot\let\next}
|
||
|
|
\def\f@t#1{#1\@foot}
|
||
|
|
\def\@foot{\strut\egroup}
|
||
|
|
|
||
|
|
}%end \catcode `\@=11
|
||
|
|
|
||
|
|
% Set the baselineskip to #1, and the lineskip and strut size
|
||
|
|
% correspondingly. There is no deep meaning behind these magic numbers
|
||
|
|
% used as factors; they just match (closely enough) what Knuth defined.
|
||
|
|
%
|
||
|
|
\def\lineskipfactor{.08333}
|
||
|
|
\def\strutheightpercent{.70833}
|
||
|
|
\def\strutdepthpercent {.29167}
|
||
|
|
%
|
||
|
|
\def\setleading#1{%
|
||
|
|
\normalbaselineskip = #1\relax
|
||
|
|
\normallineskip = \lineskipfactor\normalbaselineskip
|
||
|
|
\normalbaselines
|
||
|
|
\setbox\strutbox =\hbox{%
|
||
|
|
\vrule width0pt height\strutheightpercent\baselineskip
|
||
|
|
depth \strutdepthpercent \baselineskip
|
||
|
|
}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% @| inserts a changebar to the left of the current line. It should
|
||
|
|
% surround any changed text. This approach does *not* work if the
|
||
|
|
% change spans more than two lines of output. To handle that, we would
|
||
|
|
% have adopt a much more difficult approach (putting marks into the main
|
||
|
|
% vertical list for the beginning and end of each change).
|
||
|
|
%
|
||
|
|
\def\|{%
|
||
|
|
% \vadjust can only be used in horizontal mode.
|
||
|
|
\leavevmode
|
||
|
|
%
|
||
|
|
% Append this vertical mode material after the current line in the output.
|
||
|
|
\vadjust{%
|
||
|
|
% We want to insert a rule with the height and depth of the current
|
||
|
|
% leading; that is exactly what \strutbox is supposed to record.
|
||
|
|
\vskip-\baselineskip
|
||
|
|
%
|
||
|
|
% \vadjust-items are inserted at the left edge of the type. So
|
||
|
|
% the \llap here moves out into the left-hand margin.
|
||
|
|
\llap{%
|
||
|
|
%
|
||
|
|
% For a thicker or thinner bar, change the `1pt'.
|
||
|
|
\vrule height\baselineskip width1pt
|
||
|
|
%
|
||
|
|
% This is the space between the bar and the text.
|
||
|
|
\hskip 12pt
|
||
|
|
}%
|
||
|
|
}%
|
||
|
|
}
|
||
|
|
|
||
|
|
% For a final copy, take out the rectangles
|
||
|
|
% that mark overfull boxes (in case you have decided
|
||
|
|
% that the text looks ok even though it passes the margin).
|
||
|
|
%
|
||
|
|
\def\finalout{\overfullrule=0pt}
|
||
|
|
|
||
|
|
% @image. We use the macros from epsf.tex to support this.
|
||
|
|
% If epsf.tex is not installed and @image is used, we complain.
|
||
|
|
%
|
||
|
|
% Check for and read epsf.tex up front. If we read it only at @image
|
||
|
|
% time, we might be inside a group, and then its definitions would get
|
||
|
|
% undone and the next image would fail.
|
||
|
|
\openin 1 = epsf.tex
|
||
|
|
\ifeof 1 \else
|
||
|
|
\closein 1
|
||
|
|
% Do not bother showing banner with post-v2.7 epsf.tex (available in
|
||
|
|
% doc/epsf.tex until it shows up on ctan).
|
||
|
|
\def\epsfannounce{\toks0 = }%
|
||
|
|
\input epsf.tex
|
||
|
|
\fi
|
||
|
|
%
|
||
|
|
\newif\ifwarnednoepsf
|
||
|
|
\newhelp\noepsfhelp{epsf.tex must be installed for images to
|
||
|
|
work. It is also included in the Texinfo distribution, or you can get
|
||
|
|
it from ftp://ftp.tug.org/tex/epsf.tex.}
|
||
|
|
%
|
||
|
|
% Only complain once about lack of epsf.tex.
|
||
|
|
\def\image#1{%
|
||
|
|
\ifx\epsfbox\undefined
|
||
|
|
\ifwarnednoepsf \else
|
||
|
|
\errhelp = \noepsfhelp
|
||
|
|
\errmessage{epsf.tex not found, images will be ignored}%
|
||
|
|
\global\warnednoepsftrue
|
||
|
|
\fi
|
||
|
|
\else
|
||
|
|
\imagexxx #1,,,\finish
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
%
|
||
|
|
% Arguments to @image:
|
||
|
|
% #1 is (mandatory) image filename; we tack on .eps extension.
|
||
|
|
% #2 is (optional) width, #3 is (optional) height.
|
||
|
|
% #4 is just the usual extra ignored arg for parsing this stuff.
|
||
|
|
\def\imagexxx#1,#2,#3,#4\finish{%
|
||
|
|
% \epsfbox itself resets \epsf?size at each figure.
|
||
|
|
\setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \epsfxsize=#2\relax \fi
|
||
|
|
\setbox0 = \hbox{\ignorespaces #3}\ifdim\wd0 > 0pt \epsfysize=#3\relax \fi
|
||
|
|
% If the image is by itself, center it.
|
||
|
|
\ifvmode
|
||
|
|
\nobreak\medskip
|
||
|
|
\nobreak
|
||
|
|
\centerline{\epsfbox{#1.eps}}%
|
||
|
|
\bigbreak
|
||
|
|
\else
|
||
|
|
\epsfbox{#1.eps}%
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
\message{paper sizes,}
|
||
|
|
% And other related parameters.
|
||
|
|
|
||
|
|
\newdimen\defaultparindent \defaultparindent = 15pt
|
||
|
|
|
||
|
|
\chapheadingskip = 15pt plus 4pt minus 2pt
|
||
|
|
\secheadingskip = 12pt plus 3pt minus 2pt
|
||
|
|
\subsecheadingskip = 9pt plus 2pt minus 2pt
|
||
|
|
|
||
|
|
% Prevent underfull vbox error messages.
|
||
|
|
\vbadness = 10000
|
||
|
|
|
||
|
|
% Don't be so finicky about underfull hboxes, either.
|
||
|
|
\hbadness = 2000
|
||
|
|
|
||
|
|
% Following George Bush, just get rid of widows and orphans.
|
||
|
|
\widowpenalty=10000
|
||
|
|
\clubpenalty=10000
|
||
|
|
|
||
|
|
% Use TeX 3.0's \emergencystretch to help line breaking, but if we're
|
||
|
|
% using an old version of TeX, don't do anything. We want the amount of
|
||
|
|
% stretch added to depend on the line length, hence the dependence on
|
||
|
|
% \hsize. This makes it come to about 9pt for the 8.5x11 format. We
|
||
|
|
% call this whenever the paper size is set.
|
||
|
|
%
|
||
|
|
\def\setemergencystretch{%
|
||
|
|
\ifx\emergencystretch\thisisundefined
|
||
|
|
% Allow us to assign to \emergencystretch anyway.
|
||
|
|
\def\emergencystretch{\dimen0}%
|
||
|
|
\else
|
||
|
|
\emergencystretch = \hsize
|
||
|
|
\divide\emergencystretch by 45
|
||
|
|
\fi
|
||
|
|
}
|
||
|
|
|
||
|
|
% Parameters in order: 1) textheight; 2) textwidth; 3) voffset;
|
||
|
|
% 4) hoffset; 5) binding offset; 6) topskip. Then whoever calls us can
|
||
|
|
% set \parskip and call \setleading for \baselineskip.
|
||
|
|
%
|
||
|
|
\def\internalpagesizes#1#2#3#4#5#6{%
|
||
|
|
\voffset = #3\relax
|
||
|
|
\topskip = #6\relax
|
||
|
|
\splittopskip = \topskip
|
||
|
|
%
|
||
|
|
\vsize = #1\relax
|
||
|
|
\advance\vsize by \topskip
|
||
|
|
\outervsize = \vsize
|
||
|
|
\advance\outervsize by 0.6in
|
||
|
|
\pageheight = \vsize
|
||
|
|
%
|
||
|
|
\hsize = #2\relax
|
||
|
|
\outerhsize = \hsize
|
||
|
|
\advance\outerhsize by 0.5in
|
||
|
|
\pagewidth = \hsize
|
||
|
|
%
|
||
|
|
\normaloffset = #4\relax
|
||
|
|
\bindingoffset = #5\relax
|
||
|
|
%
|
||
|
|
\parindent = \defaultparindent
|
||
|
|
\setemergencystretch
|
||
|
|
}
|
||
|
|
|
||
|
|
% @letterpaper (the default).
|
||
|
|
\def\letterpaper{{\globaldefs = 1
|
||
|
|
\parskip = 3pt plus 2pt minus 1pt
|
||
|
|
\setleading{13.2pt}%
|
||
|
|
%
|
||
|
|
% If page is nothing but text, make it come out even.
|
||
|
|
\internalpagesizes{46\baselineskip}{6in}{\voffset}{.25in}{\bindingoffset}{36pt}%
|
||
|
|
}}
|
||
|
|
|
||
|
|
% Use @smallbook to reset parameters for 7x9.5 (or so) format.
|
||
|
|
\def\smallbook{{\globaldefs = 1
|
||
|
|
\parskip = 2pt plus 1pt
|
||
|
|
\setleading{12pt}%
|
||
|
|
%
|
||
|
|
\internalpagesizes{7.5in}{5.in}{\voffset}{.25in}{\bindingoffset}{16pt}%
|
||
|
|
%
|
||
|
|
\lispnarrowing = 0.3in
|
||
|
|
\tolerance = 700
|
||
|
|
\hfuzz = 1pt
|
||
|
|
\contentsrightmargin = 0pt
|
||
|
|
\deftypemargin = 0pt
|
||
|
|
\defbodyindent = .5cm
|
||
|
|
%
|
||
|
|
\let\smalldisplay = \smalldisplayx
|
||
|
|
\let\smallexample = \smalllispx
|
||
|
|
\let\smallformat = \smallformatx
|
||
|
|
\let\smalllisp = \smalllispx
|
||
|
|
}}
|
||
|
|
|
||
|
|
% Use @afourpaper to print on European A4 paper.
|
||
|
|
\def\afourpaper{{\globaldefs = 1
|
||
|
|
\setleading{12pt}%
|
||
|
|
\parskip = 3pt plus 2pt minus 1pt
|
||
|
|
%
|
||
|
|
\internalpagesizes{53\baselineskip}{160mm}{\voffset}{4mm}{\bindingoffset}{44pt}%
|
||
|
|
%
|
||
|
|
\tolerance = 700
|
||
|
|
\hfuzz = 1pt
|
||
|
|
}}
|
||
|
|
|
||
|
|
% A specific text layout, 24x15cm overall, intended for A4 paper. Top margin
|
||
|
|
% 29mm, hence bottom margin 28mm, nominal side margin 3cm.
|
||
|
|
\def\afourlatex{{\globaldefs = 1
|
||
|
|
\setleading{13.6pt}%
|
||
|
|
%
|
||
|
|
\afourpaper
|
||
|
|
\internalpagesizes{237mm}{150mm}{3.6mm}{3.6mm}{3mm}{7mm}%
|
||
|
|
%
|
||
|
|
\globaldefs = 0
|
||
|
|
}}
|
||
|
|
|
||
|
|
% Use @afourwide to print on European A4 paper in wide format.
|
||
|
|
\def\afourwide{%
|
||
|
|
\afourpaper
|
||
|
|
\internalpagesizes{9.5in}{6.5in}{\hoffset}{\normaloffset}{\bindingoffset}{7mm}%
|
||
|
|
%
|
||
|
|
\globaldefs = 0
|
||
|
|
}
|
||
|
|
|
||
|
|
% @pagesizes TEXTHEIGHT[,TEXTWIDTH]
|
||
|
|
% Perhaps we should allow setting the margins, \topskip, \parskip,
|
||
|
|
% and/or leading, also. Or perhaps we should compute them somehow.
|
||
|
|
%
|
||
|
|
\def\pagesizes{\parsearg\pagesizesxxx}
|
||
|
|
\def\pagesizesxxx#1{\pagesizesyyy #1,,\finish}
|
||
|
|
\def\pagesizesyyy#1,#2,#3\finish{{%
|
||
|
|
\setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \hsize=#2\relax \fi
|
||
|
|
\globaldefs = 1
|
||
|
|
%
|
||
|
|
\parskip = 3pt plus 2pt minus 1pt
|
||
|
|
\setleading{13.2pt}%
|
||
|
|
%
|
||
|
|
\internalpagesizes{#1}{\hsize}{\voffset}{\normaloffset}{\bindingoffset}{44pt}%
|
||
|
|
}}
|
||
|
|
|
||
|
|
% Set default to letter.
|
||
|
|
%
|
||
|
|
\letterpaper
|
||
|
|
|
||
|
|
\message{and turning on texinfo input format.}
|
||
|
|
|
||
|
|
% Define macros to output various characters with catcode for normal text.
|
||
|
|
\catcode`\"=\other
|
||
|
|
\catcode`\~=\other
|
||
|
|
\catcode`\^=\other
|
||
|
|
\catcode`\_=\other
|
||
|
|
\catcode`\|=\other
|
||
|
|
\catcode`\<=\other
|
||
|
|
\catcode`\>=\other
|
||
|
|
\catcode`\+=\other
|
||
|
|
\def\normaldoublequote{"}
|
||
|
|
\def\normaltilde{~}
|
||
|
|
\def\normalcaret{^}
|
||
|
|
\def\normalunderscore{_}
|
||
|
|
\def\normalverticalbar{|}
|
||
|
|
\def\normalless{<}
|
||
|
|
\def\normalgreater{>}
|
||
|
|
\def\normalplus{+}
|
||
|
|
|
||
|
|
% 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,
|
||
|
|
% where something hairier probably needs to be done.
|
||
|
|
%
|
||
|
|
% #1 is what to print if we are indeed using \tt; #2 is what to print
|
||
|
|
% otherwise. Since all the Computer Modern typewriter fonts have zero
|
||
|
|
% interword stretch (and shrink), and it is reasonable to expect all
|
||
|
|
% typewriter fonts to have this, we can check that font parameter.
|
||
|
|
%
|
||
|
|
\def\ifusingtt#1#2{\ifdim \fontdimen3\the\font=0pt #1\else #2\fi}
|
||
|
|
|
||
|
|
% Turn off all special characters except @
|
||
|
|
% (and those which the user can use as if they were ordinary).
|
||
|
|
% Most of these we simply print from the \tt font, but for some, we can
|
||
|
|
% use math or other variants that look better in normal text.
|
||
|
|
|
||
|
|
\catcode`\"=\active
|
||
|
|
\def\activedoublequote{{\tt\char34}}
|
||
|
|
\let"=\activedoublequote
|
||
|
|
\catcode`\~=\active
|
||
|
|
\def~{{\tt\char126}}
|
||
|
|
\chardef\hat=`\^
|
||
|
|
\catcode`\^=\active
|
||
|
|
\def^{{\tt \hat}}
|
||
|
|
|
||
|
|
\catcode`\_=\active
|
||
|
|
\def_{\ifusingtt\normalunderscore\_}
|
||
|
|
% Subroutine for the previous macro.
|
||
|
|
\def\_{\leavevmode \kern.06em \vbox{\hrule width.3em height.1ex}}
|
||
|
|
|
||
|
|
\catcode`\|=\active
|
||
|
|
\def|{{\tt\char124}}
|
||
|
|
\chardef \less=`\<
|
||
|
|
\catcode`\<=\active
|
||
|
|
\def<{{\tt \less}}
|
||
|
|
\chardef \gtr=`\>
|
||
|
|
\catcode`\>=\active
|
||
|
|
\def>{{\tt \gtr}}
|
||
|
|
\catcode`\+=\active
|
||
|
|
\def+{{\tt \char 43}}
|
||
|
|
%\catcode 27=\active
|
||
|
|
%\def^^[{$\diamondsuit$}
|
||
|
|
|
||
|
|
% Set up an active definition for =, but don't enable it most of the time.
|
||
|
|
{\catcode`\==\active
|
||
|
|
\global\def={{\tt \char 61}}}
|
||
|
|
|
||
|
|
\catcode`+=\active
|
||
|
|
\catcode`\_=\active
|
||
|
|
|
||
|
|
% If a .fmt file is being used, characters that might appear in a file
|
||
|
|
% name cannot be active until we have parsed the command line.
|
||
|
|
% So turn them off again, and have \everyjob (or @setfilename) turn them on.
|
||
|
|
% \otherifyactive is called near the end of this file.
|
||
|
|
\def\otherifyactive{\catcode`+=\other \catcode`\_=\other}
|
||
|
|
|
||
|
|
\catcode`\@=0
|
||
|
|
|
||
|
|
% \rawbackslashxx output one backslash character in current font
|
||
|
|
\global\chardef\rawbackslashxx=`\\
|
||
|
|
%{\catcode`\\=\other
|
||
|
|
%@gdef@rawbackslashxx{\}}
|
||
|
|
|
||
|
|
% \rawbackslash redefines \ as input to do \rawbackslashxx.
|
||
|
|
{\catcode`\\=\active
|
||
|
|
@gdef@rawbackslash{@let\=@rawbackslashxx }}
|
||
|
|
|
||
|
|
% \normalbackslash outputs one backslash in fixed width font.
|
||
|
|
\def\normalbackslash{{\tt\rawbackslashxx}}
|
||
|
|
|
||
|
|
% Say @foo, not \foo, in error messages.
|
||
|
|
\escapechar=`\@
|
||
|
|
|
||
|
|
% \catcode 17=0 % Define control-q
|
||
|
|
\catcode`\\=\active
|
||
|
|
|
||
|
|
% Used sometimes to turn off (effectively) the active characters
|
||
|
|
% even after parsing them.
|
||
|
|
@def@turnoffactive{@let"=@normaldoublequote
|
||
|
|
@let\=@realbackslash
|
||
|
|
@let~=@normaltilde
|
||
|
|
@let^=@normalcaret
|
||
|
|
@let_=@normalunderscore
|
||
|
|
@let|=@normalverticalbar
|
||
|
|
@let<=@normalless
|
||
|
|
@let>=@normalgreater
|
||
|
|
@let+=@normalplus}
|
||
|
|
|
||
|
|
@def@normalturnoffactive{@let"=@normaldoublequote
|
||
|
|
@let\=@normalbackslash
|
||
|
|
@let~=@normaltilde
|
||
|
|
@let^=@normalcaret
|
||
|
|
@let_=@normalunderscore
|
||
|
|
@let|=@normalverticalbar
|
||
|
|
@let<=@normalless
|
||
|
|
@let>=@normalgreater
|
||
|
|
@let+=@normalplus}
|
||
|
|
|
||
|
|
% Make _ and + \other characters, temporarily.
|
||
|
|
% This is canceled by @fixbackslash.
|
||
|
|
@otherifyactive
|
||
|
|
|
||
|
|
% If a .fmt file is being used, we don't want the `\input texinfo' to show up.
|
||
|
|
% That is what \eatinput is for; after that, the `\' should revert to printing
|
||
|
|
% a backslash.
|
||
|
|
%
|
||
|
|
@gdef@eatinput input texinfo{@fixbackslash}
|
||
|
|
@global@let\ = @eatinput
|
||
|
|
|
||
|
|
% On the other hand, perhaps the file did not have a `\input texinfo'. Then
|
||
|
|
% the first `\{ in the file would cause an error. This macro tries to fix
|
||
|
|
% that, assuming it is called before the first `\' could plausibly occur.
|
||
|
|
% Also back turn on active characters that might appear in the input
|
||
|
|
% file name, in case not using a pre-dumped format.
|
||
|
|
%
|
||
|
|
@gdef@fixbackslash{@ifx\@eatinput @let\ = @normalbackslash @fi
|
||
|
|
@catcode`+=@active @catcode`@_=@active}
|
||
|
|
|
||
|
|
% These look ok in all fonts, so just make them not special. The @rm below
|
||
|
|
% makes sure that the current font starts out as the newly loaded cmr10
|
||
|
|
@catcode`@$=@other @catcode`@%=@other @catcode`@&=@other @catcode`@#=@other
|
||
|
|
|
||
|
|
@textfonts
|
||
|
|
@rm
|
||
|
|
|
||
|
|
@c Local variables:
|
||
|
|
@c page-delimiter: "^\\\\message"
|
||
|
|
@c End:
|