X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=tex%2Ftexinfo.tex;h=0b40cc27b6706b7b79f129c065ed403136e56c33;hb=6a00fa3d4001d7d9e759a83b1fc210e4e74915de;hp=88a09ccb445383b84fe031f31c61f4b7ae4b7ed5;hpb=43322cb706249b8731e302bfc55e60008d4ceddc;p=lilypond.git diff --git a/tex/texinfo.tex b/tex/texinfo.tex index 88a09ccb44..0b40cc27b6 100644 --- a/tex/texinfo.tex +++ b/tex/texinfo.tex @@ -1,17 +1,20 @@ % texinfo.tex -- TeX macros to handle Texinfo files. -% +% % Load plain if necessary, i.e., if running under initex. \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi % -\def\texinfoversion{2003-12-07.11} +\def\texinfoversion{2012-07-03.16@LP} % -% Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, -% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. +% Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, +% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, +% 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. % -% This texinfo.tex file is free software; you can redistribute it and/or +% Modified version used in LilyPond, changed in 2012. +% +% This texinfo.tex file is free software: you can redistribute it and/or % modify it under the terms of the GNU General Public License as -% published by the Free Software Foundation; either version 2, or (at -% your option) any later version. +% published by the Free Software Foundation, either version 3 of the +% License, or (at your option) any later version. % % This texinfo.tex file is distributed in the hope that it will be % useful, but WITHOUT ANY WARRANTY; without even the implied warranty @@ -19,19 +22,17 @@ % General Public License for more details. % % You should have received a copy of the GNU General Public License -% along with this texinfo.tex file; see the file COPYING. If not, write -% to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -% Boston, MA 02111-1307, USA. +% along with this program. If not, see . % % As a special exception, when this file is read by TeX when processing % a Texinfo source document, you may use the result without % restriction. (This has been our intent since Texinfo was invented.) -% +% % Please try the latest version of texinfo.tex before submitting bug % reports; you can get the latest version from: -% http://www.gnu.org/software/texinfo/ (the Texinfo home page), or -% ftp://tug.org/tex/texinfo.tex -% (and all CTAN mirrors, see http://www.ctan.org). +% http://ftp.gnu.org/gnu/texinfo/ (the Texinfo release area), or +% http://ftpmirror.gnu.org/texinfo/ (same, via a mirror), or +% http://www.gnu.org/software/texinfo/ (the Texinfo home page) % The texinfo.tex in any given distribution could well be out % of date, so if that's what you're using, please check. % @@ -54,7 +55,7 @@ % It is possible to adapt texinfo.tex for other languages, to some % extent. You can get the existing language-specific files from the % full Texinfo distribution. -% +% % The GNU Texinfo home page is http://www.gnu.org/software/texinfo. @@ -66,7 +67,6 @@ \everyjob{\message{[Texinfo version \texinfoversion]}% \catcode`+=\active \catcode`\_=\active} -\message{Basics,} \chardef\other=12 % We never want plain's \outer definition of \+ in Texinfo. @@ -88,15 +88,19 @@ \let\ptexhat=^ \let\ptexi=\i \let\ptexindent=\indent -\let\ptexnoindent=\noindent \let\ptexinsert=\insert \let\ptexlbrace=\{ \let\ptexless=< +\let\ptexnewwrite\newwrite +\let\ptexnoindent=\noindent \let\ptexplus=+ +\let\ptexraggedright=\raggedright \let\ptexrbrace=\} \let\ptexslash=\/ \let\ptexstar=\* \let\ptext=\t +\let\ptextop=\top +{\catcode`\'=\active \global\let\ptexquoteright'}% active in plain's math mode % If this character appears in an error message or help string, it % starts a new line in the output. @@ -114,10 +118,11 @@ % Set up fixed words for English if not already set. \ifx\putwordAppendix\undefined \gdef\putwordAppendix{Appendix}\fi \ifx\putwordChapter\undefined \gdef\putwordChapter{Chapter}\fi +\ifx\putworderror\undefined \gdef\putworderror{error}\fi \ifx\putwordfile\undefined \gdef\putwordfile{file}\fi \ifx\putwordin\undefined \gdef\putwordin{in}\fi -\ifx\putwordIndexIsEmpty\undefined \gdef\putwordIndexIsEmpty{(Index is empty)}\fi -\ifx\putwordIndexNonexistent\undefined \gdef\putwordIndexNonexistent{(Index is nonexistent)}\fi +\ifx\putwordIndexIsEmpty\undefined \gdef\putwordIndexIsEmpty{(Index is empty)}\fi +\ifx\putwordIndexNonexistent\undefined \gdef\putwordIndexNonexistent{(Index is nonexistent)}\fi \ifx\putwordInfo\undefined \gdef\putwordInfo{Info}\fi \ifx\putwordInstanceVariableof\undefined \gdef\putwordInstanceVariableof{Instance Variable of}\fi \ifx\putwordMethodon\undefined \gdef\putwordMethodon{Method on}\fi @@ -151,15 +156,23 @@ \ifx\putwordDefopt\undefined \gdef\putwordDefopt{User Option}\fi \ifx\putwordDeffunc\undefined \gdef\putwordDeffunc{Function}\fi -% In some macros, we cannot use the `\? notation---the left quote is -% in some cases the escape char. +% Since the category of space is not known, we have to be careful. +\chardef\spacecat = 10 +\def\spaceisspace{\catcode`\ =\spacecat} + +% sometimes characters are active, so we need control sequences. +\chardef\ampChar = `\& \chardef\colonChar = `\: \chardef\commaChar = `\, +\chardef\dashChar = `\- \chardef\dotChar = `\. \chardef\exclamChar= `\! +\chardef\hashChar = `\# +\chardef\lquoteChar= `\` \chardef\questChar = `\? +\chardef\rquoteChar= `\' \chardef\semiChar = `\; -\chardef\spaceChar = `\ % +\chardef\slashChar = `\/ \chardef\underChar = `\_ % Ignore a token. @@ -169,25 +182,17 @@ % The following is used inside several \edef's. \def\makecsname#1{\expandafter\noexpand\csname#1\endcsname} -% Make an outer definition into an inner one (due to Chris Thompson). -% The arguments should be the control sequence to be defined, and the -% new of the \outer control sequence, as characters; the control -% sequence #1 is defined to be just the same as \csname#2\endcsname, but -% not \outer. -% -% For example, \innerdef\innernewcount{newcount} defines \innernewcount -% to be a non-outer version of \newcount. -% -\def\innerdef#1#2{\edef#1{\expandafter\noexpand\csname #2\endcsname}}% -% -\innerdef\innernewcount{newcount}% - % Hyphenation fixes. -\hyphenation{ap-pen-dix} -\hyphenation{eshell} -\hyphenation{mini-buf-fer mini-buf-fers} -\hyphenation{time-stamp} -\hyphenation{white-space} +\hyphenation{ + Flor-i-da Ghost-script Ghost-view Mac-OS Post-Script + ap-pen-dix bit-map bit-maps + data-base data-bases eshell fall-ing half-way long-est man-u-script + man-u-scripts mini-buf-fer mini-buf-fers over-view par-a-digm + par-a-digms rath-er rec-tan-gu-lar ro-bot-ics se-vere-ly set-up spa-ces + spell-ing spell-ings + stand-alone strong-est time-stamp time-stamps which-ever white-space + wide-spread wrap-around +} % Margin to add to right of even pages, to left of odd pages. \newdimen\bindingoffset @@ -198,36 +203,7 @@ % that mark overfull boxes (in case you have decided % that the text looks ok even though it passes the margin). % -\def\finalout{\overfullrule=0pt} - -% @| inserts a changebar to the left of the current line. It should -% surround any changed text. This approach does *not* work if the -% change spans more than two lines of output. To handle that, we would -% have adopt a much more difficult approach (putting marks into the main -% vertical list for the beginning and end of each change). -% -\def\|{% - % \vadjust can only be used in horizontal mode. - \leavevmode - % - % Append this vertical mode material after the current line in the output. - \vadjust{% - % We want to insert a rule with the height and depth of the current - % leading; that is exactly what \strutbox is supposed to record. - \vskip-\baselineskip - % - % \vadjust-items are inserted at the left edge of the type. So - % the \llap here moves out into the left-hand margin. - \llap{% - % - % For a thicker or thinner bar, change the `1pt'. - \vrule height\baselineskip width1pt - % - % This is the space between the bar and the text. - \hskip 12pt - }% - }% -} +\def\finalout{\overfullrule=0pt } % Sometimes it is convenient to have everything in the transcript file % and nothing on the terminal. We don't just call \tracingall here, @@ -245,7 +221,7 @@ \tracingmacros2 \tracingrestores1 \showboxbreadth\maxdimen \showboxdepth\maxdimen - \ifx\eTeXversion\undefined\else % etex gives us more logging + \ifx\eTeXversion\thisisundefined\else % etex gives us more logging \tracingscantokens1 \tracingifs1 \tracinggroups1 @@ -253,9 +229,16 @@ \tracingassigns1 \fi \tracingcommands3 % 3 gives us more in etex - \errorcontextlines\maxdimen + \errorcontextlines16 }% +% @errormsg{MSG}. Do the index-like expansions on MSG, but if things +% aren't perfect, it's not the end of the world, being an error message, +% after all. +% +\def\errormsg{\begingroup \indexnofonts \doerrormsg} +\def\doerrormsg#1{\errmessage{#1}} + % add check for \lastpenalty to plain's definitions. If the last thing % we did was a \nobreak, we don't want to insert more space. % @@ -266,7 +249,6 @@ \def\bigbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\bigskipamount \removelastskip\penalty-200\bigskip\fi\fi} -% For @cropmarks command. % Do @cropmarks to get crop marks. % \newif\ifcropmarks @@ -280,6 +262,50 @@ \newdimen\cornerthick \cornerthick=.3pt \newdimen\topandbottommargin \topandbottommargin=.75in +% Output a mark which sets \thischapter, \thissection and \thiscolor. +% We dump everything together because we only have one kind of mark. +% This works because we only use \botmark / \topmark, not \firstmark. +% +% A mark contains a subexpression of the \ifcase ... \fi construct. +% \get*marks macros below extract the needed part using \ifcase. +% +% Another complication is to let the user choose whether \thischapter +% (\thissection) refers to the chapter (section) in effect at the top +% of a page, or that at the bottom of a page. The solution is +% described on page 260 of The TeXbook. It involves outputting two +% marks for the sectioning macros, one before the section break, and +% one after. I won't pretend I can describe this better than DEK... +\def\domark{% + \toks0=\expandafter{\lastchapterdefs}% + \toks2=\expandafter{\lastsectiondefs}% + \toks4=\expandafter{\prevchapterdefs}% + \toks6=\expandafter{\prevsectiondefs}% + \toks8=\expandafter{\lastcolordefs}% + \mark{% + \the\toks0 \the\toks2 + \noexpand\or \the\toks4 \the\toks6 + \noexpand\else \the\toks8 + }% +} +% \topmark doesn't work for the very first chapter (after the title +% page or the contents), so we use \firstmark there -- this gets us +% the mark with the chapter defs, unless the user sneaks in, e.g., +% @setcolor (or @url, or @link, etc.) between @contents and the very +% first @chapter. +\def\gettopheadingmarks{% + \ifcase0\topmark\fi + \ifx\thischapter\empty \ifcase0\firstmark\fi \fi +} +\def\getbottomheadingmarks{\ifcase1\botmark\fi} +\def\getcolormarks{\ifcase2\topmark\fi} + +% Avoid "undefined control sequence" errors. +\def\lastchapterdefs{} +\def\lastsectiondefs{} +\def\prevchapterdefs{} +\def\prevsectiondefs{} +\def\lastcolordefs{} + % Main output routine. \chardef\PAGE = 255 \output = {\onepageout{\pagecontents\PAGE}} @@ -297,7 +323,9 @@ % % Do this outside of the \shipout so @code etc. will be expanded in % the headline as they should be, not taken literally (outputting ''code). + \ifodd\pageno \getoddheadingmarks \else \getevenheadingmarks \fi \setbox\headlinebox = \vbox{\let\hsize=\pagewidth \makeheadline}% + \ifodd\pageno \getoddfootingmarks \else \getevenfootingmarks \fi \setbox\footlinebox = \vbox{\let\hsize=\pagewidth \makefootline}% % {% @@ -305,10 +333,14 @@ % take effect in \write's, yet the group defined by the \vbox ends % before the \shipout runs. % - \escapechar = `\\ % use backslash in output files. \indexdummies % don't expand commands in the output. \normalturnoffactive % \ in index entries must not stay \, e.g., if - % the page break happens to be in the middle of an example. + % the page break happens to be in the middle of an example. + % We don't want .vr (or whatever) entries like this: + % \entry{{\tt \indexbackslash }acronym}{32}{\code {\acronym}} + % "\acronym" won't work when it's read back in; + % it needs to be + % {\code {{\tt \backslashcurfont }acronym} \shipout\vbox{% % Do this early so pdf references go to the beginning of the page. \ifpdfmakepagedest \pdfdest name{\the\pageno} xyz\fi @@ -336,9 +368,9 @@ \pagebody{#1}% \ifdim\ht\footlinebox > 0pt % Only leave this space if the footline is nonempty. - % (We lessened \vsize for it in \oddfootingxxx.) + % (We lessened \vsize for it in \oddfootingyyy.) % The \baselineskip=24pt in plain's \makefootline has no effect. - \vskip 2\baselineskip + \vskip 24pt \unvbox\footlinebox \fi % @@ -359,7 +391,7 @@ \egroup % \vbox from first cropmarks clause \fi }% end of \shipout\vbox - }% end of group with \normalturnoffactive + }% end of group with \indexdummies \advancepageno \ifnum\outputpenalty>-20000 \else\dosupereject\fi } @@ -372,7 +404,7 @@ % marginal hacks, juha@viisa.uucp (Juha Takala) \ifvoid\margin\else % marginal info is present \rlap{\kern\hsize\vbox to\z@{\kern1pt\box\margin \vss}}\fi -\dimen@=\dp#1 \unvbox#1 +\dimen@=\dp#1\relax \unvbox#1\relax \ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi \ifr@ggedbottom \kern-\dimen@ \vfil \fi} } @@ -394,10 +426,10 @@ % \def\parsearg{\parseargusing{}} \def\parseargusing#1#2{% - \def\next{#2}% + \def\argtorun{#2}% \begingroup \obeylines - \catcode`\ =10 + \spaceisspace #1% \parseargline\empty% Insert the \empty token, see \finishparsearg below. } @@ -411,21 +443,42 @@ % First remove any @comment, then any @c comment. \def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm} -\def\argremovec#1\c#2\ArgTerm{\argremovespace#1$ $\ArgTerm} -% \argremovec might leave us with trailing space, though; e.g., +\def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm} + +% Each occurrence of `\^^M' or `\^^M' is replaced by a single space. +% +% \argremovec might leave us with trailing space, e.g., % @end itemize @c foo -% Note that the argument cannot contain the TeX $, as its catcode is -% changed to \other when Texinfo source is read. -\def\argremovespace#1 $#2\ArgTerm{\finishparsearg#1$\ArgTerm} +% This space token undergoes the same procedure and is eventually removed +% by \finishparsearg. +% +\def\argcheckspaces#1\^^M{\argcheckspacesX#1\^^M \^^M} +\def\argcheckspacesX#1 \^^M{\argcheckspacesY#1\^^M} +\def\argcheckspacesY#1\^^M#2\^^M#3\ArgTerm{% + \def\temp{#3}% + \ifx\temp\empty + % Do not use \next, perhaps the caller of \parsearg uses it; reuse \temp: + \let\temp\finishparsearg + \else + \let\temp\argcheckspaces + \fi + % Put the space token in: + \temp#1 #3\ArgTerm +} % If a _delimited_ argument is enclosed in braces, they get stripped; so % to get _exactly_ the rest of the line, we had to prevent such situation. -% We prepended an \empty token at the very beginning and we expand it -% just before passing the control to \next. -% (But first, we have to spend the remaining $ or two.) -\def\finishparsearg#1$#2\ArgTerm{\expandafter\next\expandafter{#1}} +% We prepended an \empty token at the very beginning and we expand it now, +% just before passing the control to \argtorun. +% (Similarly, we have to think about #3 of \argcheckspacesY above: it is +% either the null string, or it ends with \^^M---thus there is no danger +% that a pair of braces would be stripped. +% +% But first, we have to remove the trailing space token. +% +\def\finishparsearg#1 \ArgTerm{\expandafter\argtorun\expandafter{#1}} -% \defparsearg\foo{...} +% \parseargdef\foo{...} % is roughly equivalent to % \def\foo{\parsearg\Xfoo} % \def\Xfoo#1{...} @@ -433,10 +486,10 @@ % Actually, I use \csname\string\foo\endcsname, ie. \\foo, as it is my % favourite TeX trick. --kasal, 16nov03 -\def\defparsearg#1{% - \expandafter \dodefparsearg \csname\string#1\endcsname #1% +\def\parseargdef#1{% + \expandafter \doparseargdef \csname\string#1\endcsname #1% } -\def\dodefparsearg#1#2{% +\def\doparseargdef#1#2{% \def#2{\parsearg#1}% \def#1##1% } @@ -462,106 +515,71 @@ \def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next} +% Define the framework for environments in texinfo.tex. It's used like this: +% +% \envdef\foo{...} +% \def\Efoo{...} +% +% It's the responsibility of \envdef to insert \begingroup before the +% actual body; @end closes the group after calling \Efoo. \envdef also +% defines \thisenv, so the current environment is known; @end checks +% whether the environment name matches. The \checkenv macro can also be +% used to check whether the current environment is the one expected. +% +% Non-false conditionals (@iftex, @ifset) don't fit into this, so they +% are not treated as environments; they don't open a group. (The +% implementation of @end takes care not to call \endgroup in this +% special case.) -%% These are used to keep @begin/@end levels from running away -%% Call \inENV within environments (after a \begingroup) -\newif\ifENV \ENVfalse \def\inENV{\ifENV\relax\else\ENVtrue\fi} -\def\ENVcheck{% -\ifENV\errmessage{Still within an environment; press RETURN to continue} -\endgroup\fi} % This is not perfect, but it should reduce lossage -% @end foo executes the definition of \Efoo. -% -\defparsearg\end{% - \expandafter\ifx\csname E#1\endcsname\relax - \badenderror{#1}% - \else - % Everything's ok; the right environment has been started. - \csname E#1\endcsname - \fi -} +% At run-time, environments start with this: +\def\startenvironment#1{\begingroup\def\thisenv{#1}} +% initialize +\let\thisenv\empty -\def\badenderror#1{% - \expandafter\ifx\csname#1\endcsname\relax - % There's no \foo, i.e., no ``environment'' foo. - \errhelp = \EMsimple - \errmessage{Undefined command `@end #1'}% +% ... but they get defined via ``\envdef\foo{...}'': +\long\def\envdef#1#2{\def#1{\startenvironment#1#2}} +\def\envparseargdef#1#2{\parseargdef#1{\startenvironment#1#2}} + +% Check whether we're in the right environment: +\def\checkenv#1{% + \def\temp{#1}% + \ifx\thisenv\temp \else - \unmatchedenderror{#1}% + \badenverr \fi } -% There is an environment #1, but it hasn't been started. Give an error. -% -\def\unmatchedenderror#1{% +% Environment mismatch, #1 expected: +\def\badenverr{% \errhelp = \EMsimple - \errmessage{This `@end #1' doesn't have a matching `@#1'}% + \errmessage{This command can appear only \inenvironment\temp, + not \inenvironment\thisenv}% +} +\def\inenvironment#1{% + \ifx#1\empty + outside of any environment% + \else + in environment \expandafter\string#1% + \fi } -% Define the control sequence \E#1 to give an unmatched @end error. +% @end foo executes the definition of \Efoo. +% But first, it executes a specialized version of \checkenv % -\def\defineunmatchedend#1{% - \expandafter\def\csname E#1\endcsname{\unmatchedenderror{#1}}% +\parseargdef\end{% + \if 1\csname iscond.#1\endcsname + \else + % The general wording of \badenverr may not be ideal. + \expandafter\checkenv\csname#1\endcsname + \csname E#1\endcsname + \endgroup + \fi } \newhelp\EMsimple{Press RETURN to continue.} -%% Simple single-character @ commands - -% @@ prints an @ -% Kludge this until the fonts are right (grr). -\def\@{{\tt\char64}} - -% This is turned off because it was never documented -% and you can use @w{...} around a quote to suppress ligatures. -%% Define @` and @' to be the same as ` and ' -%% but suppressing ligatures. -%\def\`{{`}} -%\def\'{{'}} - -% Used to generate quoted braces. -\def\mylbrace {{\tt\char123}} -\def\myrbrace {{\tt\char125}} -\let\{=\mylbrace -\let\}=\myrbrace -\begingroup - % Definitions to produce \{ and \} commands for indices, - % and @{ and @} for the aux file. - \catcode`\{ = \other \catcode`\} = \other - \catcode`\[ = 1 \catcode`\] = 2 - \catcode`\! = 0 \catcode`\\ = \other - !gdef!lbracecmd[\{]% - !gdef!rbracecmd[\}]% - !gdef!lbraceatcmd[@{]% - !gdef!rbraceatcmd[@}]% -!endgroup - -% Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent -% Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H. -\let\, = \c -\let\dotaccent = \. -\def\ringaccent#1{{\accent23 #1}} -\let\tieaccent = \t -\let\ubaraccent = \b -\let\udotaccent = \d - -% Other special characters: @questiondown @exclamdown -% Plain TeX defines: @AA @AE @O @OE @L (plus 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 @@ -584,13 +602,28 @@ \let\/=\allowbreak % @. is an end-of-sentence period. -\def\.{.\spacefactor=3000 } +\def\.{.\spacefactor=\endofsentencespacefactor\space} % @! is an end-of-sentence bang. -\def\!{!\spacefactor=3000 } +\def\!{!\spacefactor=\endofsentencespacefactor\space} % @? is an end-of-sentence query. -\def\?{?\spacefactor=3000 } +\def\?{?\spacefactor=\endofsentencespacefactor\space} + +% @frenchspacing on|off says whether to put extra space after punctuation. +% +\def\onword{on} +\def\offword{off} +% +\parseargdef\frenchspacing{% + \def\temp{#1}% + \ifx\temp\onword \plainfrenchspacing + \else\ifx\temp\offword \plainnonfrenchspacing + \else + \errhelp = \EMsimple + \errmessage{Unknown @frenchspacing option `\temp', must be on|off}% + \fi\fi +} % @w prevents a word break. Without the \leavevmode, @w at the % beginning of a paragraph, when TeX is still in vertical mode, would @@ -615,61 +648,14 @@ \newbox\groupbox \def\vfilllimit{0.7} % -\def\group{\begingroup +\envdef\group{% \ifnum\catcode`\^^M=\active \else \errhelp = \groupinvalidhelp \errmessage{@group invalid in context where filling is enabled}% \fi \startsavinginserts % - % The \vtop we start below produces a box with normal height and large - % depth; thus, TeX puts \baselineskip glue before it, and (when the - % next line of text is done) \lineskip glue after it. (See p.82 of - % the TeXbook.) Thus, space below is not quite equal to space - % above. But it's pretty close. - \def\Egroup{% - \egroup % End the \vtop. - % \dimen0 is the vertical size of the group's box. - \dimen0 = \ht\groupbox \advance\dimen0 by \dp\groupbox - % \dimen2 is how much space is left on the page (more or less). - \dimen2 = \pageheight \advance\dimen2 by -\pagetotal - % if the group doesn't fit on the current page, and it's a big big - % group, force a page break. - \ifdim \dimen0 > \dimen2 - \ifdim \pagetotal < \vfilllimit\pageheight - \page - \fi - \fi - \box\groupbox - \checkinserts - \endgroup % End the \group. - }% - % \setbox\groupbox = \vtop\bgroup - % We have to put a strut on the last line in case the @group is in - % the midst of an example, rather than completely enclosing it. - % Otherwise, the interline space between the last line of the group - % and the first line afterwards is too small. But we can't put the - % strut in \Egroup, since there it would be on a line by itself. - % Hence this just inserts a strut at the beginning of each line. - \everypar = {\strut}% - % - % Since we have a strut on every line, we don't need any of TeX's - % normal interline spacing. - \offinterlineskip - % - % OK, but now we have to do something about blank - % lines in the input in @example-like environments, which normally - % just turn into \lisppar, which will insert no space now that we've - % turned off the interline space. Simplest is to make them be an - % empty paragraph. - \ifx\par\lisppar - \edef\par{\leavevmode \par}% - % - % Reset ^^M's definition to new definition of \par. - \obeylines - \fi - % % Do @comment since we are called inside an environment such as % @example, where each end-of-line in the input causes an % end-of-line in the output. We don't want the end-of-line after @@ -679,6 +665,32 @@ \comment } % +% The \vtop produces a box with normal height and large depth; thus, TeX puts +% \baselineskip glue before it, and (when the next line of text is done) +% \lineskip glue after it. Thus, space below is not quite equal to space +% above. But it's pretty close. +\def\Egroup{% + % To get correct interline space between the last line of the group + % and the first line afterwards, we have to propagate \prevdepth. + \endgraf % Not \par, as it may have been set to \lisppar. + \global\dimen1 = \prevdepth + \egroup % End the \vtop. + % \dimen0 is the vertical size of the group's box. + \dimen0 = \ht\groupbox \advance\dimen0 by \dp\groupbox + % \dimen2 is how much space is left on the page (more or less). + \dimen2 = \pageheight \advance\dimen2 by -\pagetotal + % if the group doesn't fit on the current page, and it's a big big + % group, force a page break. + \ifdim \dimen0 > \dimen2 + \ifdim \pagetotal < \vfilllimit\pageheight + \page + \fi + \fi + \box\groupbox + \prevdepth = \dimen1 + \checkinserts +} +% % TeX puts in an \escapechar (i.e., `@') at the beginning of the help % message, so this ends up printing `@group can only ...'. % @@ -691,16 +703,7 @@ where each line of input produces a line of output.} \newdimen\mil \mil=0.001in -% Old definition--didn't work. -%\defparsearg\need{\par % -%% This method tries to make TeX break the page naturally -%% if the depth of the box does not fit. -%{\baselineskip=0pt% -%\vtop to #1\mil{\vfil}\kern -#1\mil\nobreak -%\prevdepth=-1000pt -%}} - -\defparsearg\need{% +\parseargdef\need{% % Ensure vertical mode, so we don't make a big box in the middle of a % paragraph. \par @@ -739,35 +742,10 @@ where each line of input produces a line of output.} \fi } -% @br forces paragraph break +% @br forces paragraph break (and is undocumented). \let\br = \par -% @dots{} output an ellipsis using the current font. -% We do .5em per period so that it has the same spacing in a typewriter -% font as three actual period characters. -% -\def\dots{% - \leavevmode - \hbox to 1.5em{% - \hskip 0pt plus 0.25fil minus 0.25fil - .\hss.\hss.% - \hskip 0pt plus 0.5fil minus 0.5fil - }% -} - -% @enddots{} is an end-of-sentence ellipsis. -% -\def\enddots{% - \leavevmode - \hbox to 2em{% - \hskip 0pt plus 0.25fil minus 0.25fil - .\hss.\hss.\hss.% - \hskip 0pt plus 0.5fil minus 0.5fil - }% - \spacefactor=3000 -} - % @page forces the start of a new page. % \def\page{\par\vfill\supereject} @@ -780,15 +758,15 @@ where each line of input produces a line of output.} \newskip\exdentamount % This defn is used inside fill environments such as @defun. -\defparsearg\exdent{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break} +\parseargdef\exdent{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break} % This defn is used inside nofill environments such as @example. -\defparsearg\nofillexdent{{\advance \leftskip by -\exdentamount +\parseargdef\nofillexdent{{\advance \leftskip by -\exdentamount \leftline{\hskip\leftskip{\rm#1}}}} % @inmargin{WHICH}{TEXT} puts TEXT in the WHICH margin next to the current % paragraph. For more general purposes, use the \margin insertion -% class. WHICH is `l' or `r'. +% class. WHICH is `l' or `r'. Not documented, written for gawk manual. % \newskip\inmarginspacing \inmarginspacing=1cm \def\strutdepth{\dp\strutbox} @@ -835,15 +813,51 @@ where each line of input produces a line of output.} \temp } -% @include file insert text of that file as input. +% @| inserts a changebar to the left of the current line. It should +% surround any changed text. This approach does *not* work if the +% change spans more than two lines of output. To handle that, we would +% have adopt a much more difficult approach (putting marks into the main +% vertical list for the beginning and end of each change). This command +% is not documented, not supported, and doesn't work. +% +\def\|{% + % \vadjust can only be used in horizontal mode. + \leavevmode + % + % Append this vertical mode material after the current line in the output. + \vadjust{% + % We want to insert a rule with the height and depth of the current + % leading; that is exactly what \strutbox is supposed to record. + \vskip-\baselineskip + % + % \vadjust-items are inserted at the left edge of the type. So + % the \llap here moves out into the left-hand margin. + \llap{% + % + % For a thicker or thinner bar, change the `1pt'. + \vrule height\baselineskip width1pt + % + % This is the space between the bar and the text. + \hskip 12pt + }% + }% +} + +% @include FILE -- \input text of FILE. % \def\include{\parseargusing\filenamecatcodes\includezzz} \def\includezzz#1{% \pushthisfilestack \def\thisfile{#1}% {% - \makevalueexpandable - \def\temp{\input #1 }% + \makevalueexpandable % we want to expand any @value in FILE. + \turnoffactive % and allow special characters in the expansion + \indexnofonts % Allow `@@' and other weird things in file names. + \wlog{texinfo.tex: doing @include of #1^^J}% + \edef\temp{\noexpand\input #1 }% + % + % This trickery is to read FILE outside of a group, in case it makes + % definitions, etc. \expandafter }\temp \popthisfilestack @@ -858,6 +872,8 @@ where each line of input produces a line of output.} \catcode`>=\other \catcode`+=\other \catcode`-=\other + \catcode`\`=\other + \catcode`\'=\other } \def\pushthisfilestack{% @@ -873,35 +889,54 @@ where each line of input produces a line of output.} \def\popthisfilestack{\errthisfilestackempty} \def\errthisfilestackempty{\errmessage{Internal error: the stack of filenames is empty.}} - +% \def\thisfile{} % @center line % outputs that line, centered. % -\defparsearg\center{% - \ifhmode \hfil\break \fi - {% - \advance\hsize by -\leftskip - \advance\hsize by -\rightskip - \line{\hfil \ignorespaces#1\unskip \hfil}% - }% - \ifhmode \break \fi +\parseargdef\center{% + \ifhmode + \let\centersub\centerH + \else + \let\centersub\centerV + \fi + \centersub{\hfil \ignorespaces#1\unskip \hfil}% + \let\centersub\relax % don't let the definition persist, just in case +} +\def\centerH#1{{% + \hfil\break + \advance\hsize by -\leftskip + \advance\hsize by -\rightskip + \line{#1}% + \break +}} +% +\newcount\centerpenalty +\def\centerV#1{% + % The idea here is the same as in \startdefun, \cartouche, etc.: if + % @center is the first thing after a section heading, we need to wipe + % out the negative parskip inserted by \sectionheading, but still + % prevent a page break here. + \centerpenalty = \lastpenalty + \ifnum\centerpenalty>10000 \vskip\parskip \fi + \ifnum\centerpenalty>9999 \penalty\centerpenalty \fi + \line{\kern\leftskip #1\kern\rightskip}% } % @sp n outputs n lines of vertical space - -\defparsearg\sp{\vskip #1\baselineskip} +% +\parseargdef\sp{\vskip #1\baselineskip} % @comment ...line which is ignored... % @c is the same as @comment % @ignore ... @end ignore is another way to write a comment - +% \def\comment{\begingroup \catcode`\^^M=\other% \catcode`\@=\other \catcode`\{=\other \catcode`\}=\other% \commentxxx} {\catcode`\^^M=\other \gdef\commentxxx#1^^M{\endgroup}} - +% \let\c=\comment % @paragraphindent NCHARS @@ -912,7 +947,7 @@ where each line of input produces a line of output.} \def\asisword{asis} % no translation, these are keywords \def\noneword{none} % -\defparsearg\paragraphindent{% +\parseargdef\paragraphindent{% \def\temp{#1}% \ifx\temp\asisword \else @@ -929,7 +964,7 @@ where each line of input produces a line of output.} % We'll use ems for NCHARS like @paragraphindent. % It seems @exampleindent asis isn't necessary, but % I preserve it to make it similar to @paragraphindent. -\defparsearg\exampleindent{% +\parseargdef\exampleindent{% \def\temp{#1}% \ifx\temp\asisword \else @@ -952,11 +987,9 @@ where each line of input produces a line of output.} % By default, we suppress indentation. % \def\suppressfirstparagraphindent{\dosuppressfirstparagraphindent} -\newdimen\currentparindent -% \def\insertword{insert} % -\defparsearg\firstparagraphindent{% +\parseargdef\firstparagraphindent{% \def\temp{#1}% \ifx\temp\noneword \let\suppressfirstparagraphindent = \dosuppressfirstparagraphindent @@ -996,61 +1029,6 @@ where each line of input produces a line of output.} } -% @asis just yields its argument. Used with @table, for example. -% -\def\asis#1{#1} - -% @math outputs its argument in math mode. -% -% One complication: _ usually means subscripts, but it could also mean -% an actual _ character, as in @math{@var{some_variable} + 1}. So make -% _ active, and distinguish by seeing if the current family is \slfam, -% which is what @var uses. -{ - \catcode\underChar = \active - \gdef\mathunderscore{% - \catcode\underChar=\active - \def_{\ifnum\fam=\slfam \_\else\sb\fi}% - } -} -% Another complication: we want \\ (and @\) to output a \ character. -% FYI, plain.tex uses \\ as a temporary control sequence (why?), but -% this is not advertised and we don't care. Texinfo does not -% otherwise define @\. -% -% The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\. -\def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi} -% -\def\math{% - \tex - \mathunderscore - \let\\ = \mathbackslash - \mathactive - $\finishmath -} -\def\finishmath#1{#1$\Etex} - -% Some active characters (such as <) are spaced differently in math. -% We have to reset their definitions in case the @math was an argument -% to a command which sets the catcodes (such as @item or @section). -% -{ - \catcode`^ = \active - \catcode`< = \active - \catcode`> = \active - \catcode`+ = \active - \gdef\mathactive{% - \let^ = \ptexhat - \let< = \ptexless - \let> = \ptexgtr - \let+ = \ptexplus - } -} - -% @bullet and @minus need the same treatment as @math, just above. -\def\bullet{$\ptexbullet$} -\def\minus{$-$} - % @refill is a no-op. \let\refill=\relax @@ -1065,20 +1043,20 @@ where each line of input produces a line of output.} % So open here the files we need to have open while reading the input. % This makes it possible to make a .fmt file for texinfo. \def\setfilename{% + \fixbackslash % Turn off hack to swallow `\input texinfo'. \iflinks - \readauxfile + \tryauxfile + % Open the new aux file. TeX will close it automatically at exit. + \immediate\openout\auxfile=\jobname.aux \fi % \openindices needs to do some work in any case. \openindices - \fixbackslash % Turn off hack to swallow `\input texinfo'. - \global\let\setfilename=\comment % Ignore extra @setfilename cmds. + \let\setfilename=\comment % Ignore extra @setfilename cmds. % % If texinfo.cnf is present on the system, read it. % Useful for site-wide @afourpaper, etc. - % Just to be on the safe side, close the input stream before the \input. \openin 1 texinfo.cnf - \ifeof1 \let\temp=\relax \else \def\temp{\input texinfo.cnf }\fi - \closein1 - \temp + \ifeof 1 \else \input texinfo.cnf \fi + \closein 1 % \comment % Ignore the actual filename. } @@ -1114,48 +1092,169 @@ where each line of input produces a line of output.} \newif\ifpdf \newif\ifpdfmakepagedest -\ifx\pdfoutput\undefined - \pdffalse - \let\pdfmkdest = \gobble - \let\pdfurl = \gobble - \let\endlink = \relax - \let\linkcolor = \relax - \let\pdfmakeoutlines = \relax +% when pdftex is run in dvi mode, \pdfoutput is defined (so \pdfoutput=1 +% can be set). So we test for \relax and 0 as well as being undefined. +\ifx\pdfoutput\thisisundefined \else - \pdftrue - \pdfoutput = 1 - \input pdfcolor - \pdfcatalog{/PageMode /UseOutlines}% - \def\dopdfimage#1#2#3{% - \def\imagewidth{#2}% - \def\imageheight{#3}% - % without \immediate, pdftex seg faults when the same image is - % included twice. (Version 3.14159-pre-1.0-unofficial-20010704.) - \ifnum\pdftexversion < 14 - \immediate\pdfimage + \ifx\pdfoutput\relax + \else + \ifcase\pdfoutput \else - \immediate\pdfximage + \pdftrue \fi - \ifx\empty\imagewidth\else width \imagewidth \fi - \ifx\empty\imageheight\else height \imageheight \fi - \ifnum\pdftexversion<13 - #1.pdf% - \else - {#1.pdf}% - \fi - \ifnum\pdftexversion < 14 \else + \fi +\fi + +% PDF uses PostScript string constants for the names of xref targets, +% for display in the outlines, and in other places. Thus, we have to +% double any backslashes. Otherwise, a name like "\node" will be +% interpreted as a newline (\n), followed by o, d, e. Not good. +% +% See http://www.ntg.nl/pipermail/ntg-pdftex/2004-July/000654.html and +% related messages. The final outcome is that it is up to the TeX user +% to double the backslashes and otherwise make the string valid, so +% that's what we do. pdftex 1.30.0 (ca.2005) introduced a primitive to +% do this reliably, so we use it. + +% #1 is a control sequence in which to do the replacements, +% which we \xdef. +\def\txiescapepdf#1{% + \ifx\pdfescapestring\thisisundefined + % No primitive available; should we give a warning or log? + % Many times it won't matter. + \else + % The expandable \pdfescapestring primitive escapes parentheses, + % backslashes, and other special chars. + \xdef#1{\pdfescapestring{#1}}% + \fi +} + +\newhelp\nopdfimagehelp{Texinfo supports .png, .jpg, .jpeg, and .pdf images +with PDF output, and none of those formats could be found. (.eps cannot +be supported due to the design of the PDF format; use regular TeX (DVI +output) for that.)} + +\ifpdf + % + % Color manipulation macros based on pdfcolor.tex, + % except using rgb instead of cmyk; the latter is said to render as a + % very dark gray on-screen and a very dark halftone in print, instead + % of actual black. + \def\rgbDarkRed{0.50 0.09 0.12} + \def\rgbBlack{0 0 0} + % + % k sets the color for filling (usual text, etc.); + % K sets the color for stroking (thin rules, e.g., normal _'s). + \def\pdfsetcolor#1{\pdfliteral{#1 rg #1 RG}} + % + % Set color, and create a mark which defines \thiscolor accordingly, + % so that \makeheadline knows which color to restore. + \def\setcolor#1{% + \xdef\lastcolordefs{\gdef\noexpand\thiscolor{#1}}% + \domark + \pdfsetcolor{#1}% + } + % + \def\maincolor{\rgbBlack} + \pdfsetcolor{\maincolor} + \edef\thiscolor{\maincolor} + \def\lastcolordefs{} + % + \def\makefootline{% + \baselineskip24pt + \line{\pdfsetcolor{\maincolor}\the\footline}% + } + % + \def\makeheadline{% + \vbox to 0pt{% + \vskip-22.5pt + \line{% + \vbox to8.5pt{}% + % Extract \thiscolor definition from the marks. + \getcolormarks + % Typeset the headline with \maincolor, then restore the color. + \pdfsetcolor{\maincolor}\the\headline\pdfsetcolor{\thiscolor}% + }% + \vss + }% + \nointerlineskip + } + % + % + \pdfcatalog{/PageMode /UseOutlines} + % + % #1 is image name, #2 width (might be empty/whitespace), #3 height (ditto). + \def\dopdfimage#1#2#3{% + \def\pdfimagewidth{#2}\setbox0 = \hbox{\ignorespaces #2}% + \def\pdfimageheight{#3}\setbox2 = \hbox{\ignorespaces #3}% + % + % pdftex (and the PDF format) support .pdf, .png, .jpg (among + % others). Let's try in that order, PDF first since if + % someone has a scalable image, presumably better to use that than a + % bitmap. + \let\pdfimgext=\empty + \begingroup + \openin 1 #1.pdf \ifeof 1 + \openin 1 #1.PDF \ifeof 1 + \openin 1 #1.png \ifeof 1 + \openin 1 #1.jpg \ifeof 1 + \openin 1 #1.jpeg \ifeof 1 + \openin 1 #1.JPG \ifeof 1 + \errhelp = \nopdfimagehelp + \errmessage{Could not find image file #1 for pdf}% + \else \gdef\pdfimgext{JPG}% + \fi + \else \gdef\pdfimgext{jpeg}% + \fi + \else \gdef\pdfimgext{jpg}% + \fi + \else \gdef\pdfimgext{png}% + \fi + \else \gdef\pdfimgext{PDF}% + \fi + \else \gdef\pdfimgext{pdf}% + \fi + \closein 1 + \endgroup + % + % without \immediate, ancient pdftex seg faults when the same image is + % included twice. (Version 3.14159-pre-1.0-unofficial-20010704.) + \ifnum\pdftexversion < 14 + \immediate\pdfimage + \else + \immediate\pdfximage + \fi + \ifdim \wd0 >0pt width \pdfimagewidth \fi + \ifdim \wd2 >0pt height \pdfimageheight \fi + \ifnum\pdftexversion<13 + #1.\pdfimgext + \else + {#1.\pdfimgext}% + \fi + \ifnum\pdftexversion < 14 \else \pdfrefximage \pdflastximage \fi} + % \def\pdfmkdest#1{{% - % We have to set dummies so commands such as @code in a section title - % aren't expanded. - \atdummies - \normalturnoffactive - \pdfdest name{#1} xyz% + % We have to set dummies so commands such as @code, and characters + % such as \, aren't expanded when present in a section title. + \indexnofonts + \turnoffactive + \makevalueexpandable + \def\pdfdestname{#1}% + \txiescapepdf\pdfdestname + \safewhatsit{\pdfdest name{\pdfdestname} xyz}% }} + % + % used to mark target names; must be expandable. \def\pdfmkpgn#1{#1} - \let\linkcolor = \Blue % was Cyan, but that seems light? - \def\endlink{\Black\pdfendlink} + % + % by default, use a color that is dark enough to print on paper as + % nearly black, but still distinguishable for online viewing. + \def\urlcolor{\rgbDarkRed} + \def\linkcolor{\rgbDarkRed} + \def\endlink{\setcolor{\maincolor}\pdfendlink} + % % Adding outlines to PDF; macros for calculating structure of outlines % come from Petr Olsak \def\expnumber#1{\expandafter\ifx\csname#1\endcsname\relax 0% @@ -1164,39 +1263,55 @@ where each line of input produces a line of output.} \advance\tempnum by 1 \expandafter\xdef\csname#1\endcsname{\the\tempnum}} % - % #1 is the section text. #2 is the pdf expression for the number - % of subentries (or empty, for subsubsections). #3 is the node - % text, which might be empty if this toc entry had no - % corresponding node. #4 is the page number. - % + % #1 is the section text, which is what will be displayed in the + % outline by the pdf viewer. #2 is the pdf expression for the number + % of subentries (or empty, for subsubsections). #3 is the node text, + % which might be empty if this toc entry had no corresponding node. + % #4 is the page number + % \def\dopdfoutline#1#2#3#4{% % Generate a link to the node text if that exists; else, use the % page number. We could generate a destination for the section % text in the case where a section has no node, but it doesn't - % seem worthwhile, since most documents are normally structured. - \def\pdfoutlinedest{#3}% - \ifx\pdfoutlinedest\empty \def\pdfoutlinedest{#4}\fi + % seem worth the trouble, since most documents are normally structured. + \edef\pdfoutlinedest{#3}% + \ifx\pdfoutlinedest\empty + \def\pdfoutlinedest{#4}% + \else + \txiescapepdf\pdfoutlinedest + \fi % - \pdfoutline goto name{\pdfmkpgn{\pdfoutlinedest}}#2{#1}% + % Also escape PDF chars in the display string. + \edef\pdfoutlinetext{#1}% + \txiescapepdf\pdfoutlinetext + % + \pdfoutline goto name{\pdfmkpgn{\pdfoutlinedest}}#2{\pdfoutlinetext}% } % \def\pdfmakeoutlines{% - \openin 1 \jobname.toc - \ifeof 1\else\begingroup - \closein 1 - % Thanh's hack / proper braces in bookmarks - \edef\mylbrace{\iftrue \string{\else}\fi}\let\{=\mylbrace - \edef\myrbrace{\iffalse{\else\string}\fi}\let\}=\myrbrace - % + \begingroup % Read toc silently, to get counts of subentries for \pdfoutline. - \def\numchapentry##1##2##3##4{\def\thischapnum{##2}}% + \def\partentry##1##2##3##4{}% ignore parts in the outlines + \def\numchapentry##1##2##3##4{% + \def\thischapnum{##2}% + \def\thissecnum{0}% + \def\thissubsecnum{0}% + }% \def\numsecentry##1##2##3##4{% - \def\thissecnum{##2}% - \advancenumber{chap\thischapnum}}% + \advancenumber{chap\thischapnum}% + \def\thissecnum{##2}% + \def\thissubsecnum{0}% + }% \def\numsubsecentry##1##2##3##4{% - \def\thissubsecnum{##2}% - \advancenumber{sec\thissecnum}}% - \def\numsubsubsecentry##1##2##3##4{\advancenumber{subsec\thissubsecnum}}% + \advancenumber{sec\thissecnum}% + \def\thissubsecnum{##2}% + }% + \def\numsubsubsecentry##1##2##3##4{% + \advancenumber{subsec\thissubsecnum}% + }% + \def\thischapnum{0}% + \def\thissecnum{0}% + \def\thissubsecnum{0}% % % use \def rather than \let here because we redefine \chapentry et % al. a second time, below. @@ -1208,12 +1323,12 @@ where each line of input produces a line of output.} \def\unnsecentry{\numsecentry}% \def\unnsubsecentry{\numsubsecentry}% \def\unnsubsubsecentry{\numsubsubsecentry}% - \input \jobname.toc + \readdatafile{toc}% % % Read toc second time, this time actually producing the outlines. % The `-' means take the \expnumber as the absolute number of % subentries, which we calculated on our first read of the .toc above. - % + % % We use the node names as the destinations. \def\numchapentry##1##2##3##4{% \dopdfoutline{##1}{count-\expnumber{chap##2}}{##3}{##4}}% @@ -1224,73 +1339,78 @@ where each line of input produces a line of output.} \def\numsubsubsecentry##1##2##3##4{% count is always zero \dopdfoutline{##1}{}{##3}{##4}}% % - % Make special characters normal for writing to the pdf file. + % PDF outlines are displayed using system fonts, instead of + % document fonts. Therefore we cannot use special characters, + % since the encoding is unknown. For example, the eogonek from + % Latin 2 (0xea) gets translated to a | character. Info from + % Staszek Wawrykiewicz, 19 Jan 2004 04:09:24 +0100. + % + % TODO this right, we have to translate 8-bit characters to + % their "best" equivalent, based on the @documentencoding. Too + % much work for too little return. Just use the ASCII equivalents + % we use for the index sort strings. + % \indexnofonts - \turnoffactive - \input \jobname.toc - \endgroup\fi + \setupdatafile + % We can have normal brace characters in the PDF outlines, unlike + % Texinfo index files. So set that up. + \def\{{\lbracecharliteral}% + \def\}{\rbracecharliteral}% + \catcode`\\=\active \otherbackslash + \input \tocreadfilename + \endgroup } + {\catcode`[=1 \catcode`]=2 + \catcode`{=\other \catcode`}=\other + \gdef\lbracecharliteral[{]% + \gdef\rbracecharliteral[}]% + ] % - \def\makelinks #1,{% - \def\params{#1}\def\E{END}% - \ifx\params\E - \let\nextmakelinks=\relax - \else - \let\nextmakelinks=\makelinks - \ifnum\lnkcount>0,\fi - \picknum{#1}% - \startlink attr{/Border [0 0 0]} - goto name{\pdfmkpgn{\the\pgn}}% - \linkcolor #1% - \advance\lnkcount by 1% - \endlink - \fi - \nextmakelinks - } - \def\picknum#1{\expandafter\pn#1} - \def\pn#1{% - \def\p{#1}% - \ifx\p\lbrace - \let\nextpn=\ppn - \else - \let\nextpn=\ppnn - \def\first{#1} - \fi - \nextpn - } - \def\ppn#1{\pgn=#1\gobble} - \def\ppnn{\pgn=\first} - \def\pdfmklnk#1{\lnkcount=0\makelinks #1,END,} - \def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks} \def\skipspaces#1{\def\PP{#1}\def\D{|}% \ifx\PP\D\let\nextsp\relax \else\let\nextsp\skipspaces - \ifx\p\space\else\addtokens{\filename}{\PP}% - \advance\filenamelength by 1 - \fi + \addtokens{\filename}{\PP}% + \advance\filenamelength by 1 \fi \nextsp} - \def\getfilename#1{\filenamelength=0\expandafter\skipspaces#1|\relax} + \def\getfilename#1{% + \filenamelength=0 + % If we don't expand the argument now, \skipspaces will get + % snagged on things like "@value{foo}". + \edef\temp{#1}% + \expandafter\skipspaces\temp|\relax + } \ifnum\pdftexversion < 14 \let \startlink \pdfannotlink \else \let \startlink \pdfstartlink \fi + % make a live url in pdf output. \def\pdfurl#1{% \begingroup - \normalturnoffactive\def\@{@}% + % it seems we really need yet another set of dummies; have not + % tried to figure out what each command should do in the context + % of @url. for now, just make @/ a no-op, that's the only one + % people have actually reported a problem with. + % + \normalturnoffactive + \def\@{@}% + \let\/=\empty \makevalueexpandable - \leavevmode\Red + % do we want to go so far as to use \indexnofonts instead of just + % special-casing \var here? + \def\var##1{##1}% + % + \leavevmode\setcolor{\urlcolor}% \startlink attr{/Border [0 0 0]}% user{/Subtype /Link /A << /S /URI /URI (#1) >>}% - % #1 \endgroup} \def\pdfgettoks#1.{\setbox\boxA=\hbox{\toksA={#1.}\toksB={}\maketoks}} \def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks} \def\adn#1{\addtokens{\toksC}{#1}\global\countA=1\let\next=\maketoks} \def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}} \def\maketoks{% - \expandafter\poptoks\the\toksA|ENDTOKS| + \expandafter\poptoks\the\toksA|ENDTOKS|\relax \ifx\first0\adn0 \else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3 \else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6 @@ -1308,25 +1428,53 @@ where each line of input produces a line of output.} {\noexpand\pdflink{\the\toksC}}\toksC={}\global\countA=0} \def\pdflink#1{% \startlink attr{/Border [0 0 0]} goto name{\pdfmkpgn{#1}} - \linkcolor #1\endlink} + \setcolor{\linkcolor}#1\endlink} \def\done{\edef\st{\global\noexpand\toksA={\the\toksB}}\st} -\fi % \ifx\pdfoutput +\else + % non-pdf mode + \let\pdfmkdest = \gobble + \let\pdfurl = \gobble + \let\endlink = \relax + \let\setcolor = \gobble + \let\pdfsetcolor = \gobble + \let\pdfmakeoutlines = \relax +\fi % \ifx\pdfoutput \message{fonts,} -% Font-change commands. + +% Change the current font style to #1, remembering it in \curfontstyle. +% For now, we do not accumulate font styles: @b{@i{foo}} prints foo in +% italics, not bold italics. +% +\def\setfontstyle#1{% + \def\curfontstyle{#1}% not as a control sequence, because we are \edef'd. + \csname ten#1\endcsname % change the current font +} + +% Select #1 fonts with the current style. +% +\def\selectfonts#1{\csname #1fonts\endcsname \csname\curfontstyle\endcsname} + +\def\rm{\fam=0 \setfontstyle{rm}} +\def\it{\fam=\itfam \setfontstyle{it}} +\def\sl{\fam=\slfam \setfontstyle{sl}} +\def\bf{\fam=\bffam \setfontstyle{bf}}\def\bfstylename{bf} +\def\tt{\fam=\ttfam \setfontstyle{tt}} + +% Unfortunately, we have to override this for titles and the like, since +% in those cases "rm" is bold. Sigh. +\def\rmisbold{\rm\def\curfontstyle{bf}} % Texinfo sort of supports the sans serif font style, which plain TeX does not. -% So we set up a \sf analogous to plain's \rm, etc. +% So we set up a \sf. \newfam\sffam -\def\sf{\fam=\sffam \tensf} +\def\sf{\fam=\sffam \setfontstyle{sf}} \let\li = \sf % Sometimes we call it \li, not \sf. -% We don't need math for this one. -\def\ttsl{\tenttsl} +% We don't need math for this font style. +\def\ttsl{\setfontstyle{ttsl}} -% Default leading. -\newdimen\textleading \textleading = 13.2pt % Set the baselineskip to #1, and the lineskip and strut size % correspondingly. There is no deep meaning behind these magic numbers @@ -1336,8 +1484,13 @@ where each line of input produces a line of output.} \def\strutheightpercent{.70833} \def\strutdepthpercent {.29167} % +% can get a sort of poor man's double spacing by redefining this. +\def\baselinefactor{1} +% +\newdimen\textleading \def\setleading#1{% - \normalbaselineskip = #1\relax + \dimen0 = #1\relax + \normalbaselineskip = \baselinefactor\dimen0 \normallineskip = \lineskipfactor\normalbaselineskip \normalbaselines \setbox\strutbox =\hbox{% @@ -1346,20 +1499,295 @@ where each line of input produces a line of output.} }% } -% 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} +% PDF CMaps. See also LaTeX's t1.cmap. +% +% do nothing with this by default. +\expandafter\let\csname cmapOT1\endcsname\gobble +\expandafter\let\csname cmapOT1IT\endcsname\gobble +\expandafter\let\csname cmapOT1TT\endcsname\gobble + +% if we are producing pdf, and we have \pdffontattr, then define cmaps. +% (\pdffontattr was introduced many years ago, but people still run +% older pdftex's; it's easy to conditionalize, so we do.) +\ifpdf \ifx\pdffontattr\thisisundefined \else + \begingroup + \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. + \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap +%%DocumentNeededResources: ProcSet (CIDInit) +%%IncludeResource: ProcSet (CIDInit) +%%BeginResource: CMap (TeX-OT1-0) +%%Title: (TeX-OT1-0 TeX OT1 0) +%%Version: 1.000 +%%EndComments +/CIDInit /ProcSet findresource begin +12 dict begin +begincmap +/CIDSystemInfo +<< /Registry (TeX) +/Ordering (OT1) +/Supplement 0 +>> def +/CMapName /TeX-OT1-0 def +/CMapType 2 def +1 begincodespacerange +<00> <7F> +endcodespacerange +8 beginbfrange +<00> <01> <0393> +<09> <0A> <03A8> +<23> <26> <0023> +<28> <3B> <0028> +<3F> <5B> <003F> +<5D> <5E> <005D> +<61> <7A> <0061> +<7B> <7C> <2013> +endbfrange +40 beginbfchar +<02> <0398> +<03> <039B> +<04> <039E> +<05> <03A0> +<06> <03A3> +<07> <03D2> +<08> <03A6> +<0B> <00660066> +<0C> <00660069> +<0D> <0066006C> +<0E> <006600660069> +<0F> <00660066006C> +<10> <0131> +<11> <0237> +<12> <0060> +<13> <00B4> +<14> <02C7> +<15> <02D8> +<16> <00AF> +<17> <02DA> +<18> <00B8> +<19> <00DF> +<1A> <00E6> +<1B> <0153> +<1C> <00F8> +<1D> <00C6> +<1E> <0152> +<1F> <00D8> +<21> <0021> +<22> <201D> +<27> <2019> +<3C> <00A1> +<3D> <003D> +<3E> <00BF> +<5C> <201C> +<5F> <02D9> +<60> <2018> +<7D> <02DD> +<7E> <007E> +<7F> <00A8> +endbfchar +endcmap +CMapName currentdict /CMap defineresource pop +end +end +%%EndResource +%%EOF + }\endgroup + \expandafter\edef\csname cmapOT1\endcsname#1{% + \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% + }% +% +% \cmapOT1IT + \begingroup + \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. + \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap +%%DocumentNeededResources: ProcSet (CIDInit) +%%IncludeResource: ProcSet (CIDInit) +%%BeginResource: CMap (TeX-OT1IT-0) +%%Title: (TeX-OT1IT-0 TeX OT1IT 0) +%%Version: 1.000 +%%EndComments +/CIDInit /ProcSet findresource begin +12 dict begin +begincmap +/CIDSystemInfo +<< /Registry (TeX) +/Ordering (OT1IT) +/Supplement 0 +>> def +/CMapName /TeX-OT1IT-0 def +/CMapType 2 def +1 begincodespacerange +<00> <7F> +endcodespacerange +8 beginbfrange +<00> <01> <0393> +<09> <0A> <03A8> +<25> <26> <0025> +<28> <3B> <0028> +<3F> <5B> <003F> +<5D> <5E> <005D> +<61> <7A> <0061> +<7B> <7C> <2013> +endbfrange +42 beginbfchar +<02> <0398> +<03> <039B> +<04> <039E> +<05> <03A0> +<06> <03A3> +<07> <03D2> +<08> <03A6> +<0B> <00660066> +<0C> <00660069> +<0D> <0066006C> +<0E> <006600660069> +<0F> <00660066006C> +<10> <0131> +<11> <0237> +<12> <0060> +<13> <00B4> +<14> <02C7> +<15> <02D8> +<16> <00AF> +<17> <02DA> +<18> <00B8> +<19> <00DF> +<1A> <00E6> +<1B> <0153> +<1C> <00F8> +<1D> <00C6> +<1E> <0152> +<1F> <00D8> +<21> <0021> +<22> <201D> +<23> <0023> +<24> <00A3> +<27> <2019> +<3C> <00A1> +<3D> <003D> +<3E> <00BF> +<5C> <201C> +<5F> <02D9> +<60> <2018> +<7D> <02DD> +<7E> <007E> +<7F> <00A8> +endbfchar +endcmap +CMapName currentdict /CMap defineresource pop +end +end +%%EndResource +%%EOF + }\endgroup + \expandafter\edef\csname cmapOT1IT\endcsname#1{% + \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% + }% +% +% \cmapOT1TT + \begingroup + \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. + \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap +%%DocumentNeededResources: ProcSet (CIDInit) +%%IncludeResource: ProcSet (CIDInit) +%%BeginResource: CMap (TeX-OT1TT-0) +%%Title: (TeX-OT1TT-0 TeX OT1TT 0) +%%Version: 1.000 +%%EndComments +/CIDInit /ProcSet findresource begin +12 dict begin +begincmap +/CIDSystemInfo +<< /Registry (TeX) +/Ordering (OT1TT) +/Supplement 0 +>> def +/CMapName /TeX-OT1TT-0 def +/CMapType 2 def +1 begincodespacerange +<00> <7F> +endcodespacerange +5 beginbfrange +<00> <01> <0393> +<09> <0A> <03A8> +<21> <26> <0021> +<28> <5F> <0028> +<61> <7E> <0061> +endbfrange +32 beginbfchar +<02> <0398> +<03> <039B> +<04> <039E> +<05> <03A0> +<06> <03A3> +<07> <03D2> +<08> <03A6> +<0B> <2191> +<0C> <2193> +<0D> <0027> +<0E> <00A1> +<0F> <00BF> +<10> <0131> +<11> <0237> +<12> <0060> +<13> <00B4> +<14> <02C7> +<15> <02D8> +<16> <00AF> +<17> <02DA> +<18> <00B8> +<19> <00DF> +<1A> <00E6> +<1B> <0153> +<1C> <00F8> +<1D> <00C6> +<1E> <0152> +<1F> <00D8> +<20> <2423> +<27> <2019> +<60> <2018> +<7F> <00A8> +endbfchar +endcmap +CMapName currentdict /CMap defineresource pop +end +end +%%EndResource +%%EOF + }\endgroup + \expandafter\edef\csname cmapOT1TT\endcsname#1{% + \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% + }% +\fi\fi + + +% Set the font macro #1 to the font named \fontprefix#2. +% #3 is the font's design size, #4 is a scale factor, #5 is the CMap +% encoding (only OT1, OT1IT and OT1TT are allowed, or empty to omit). +% Example: +% #1 = \textrm +% #2 = \rmshape +% #3 = 10 +% #4 = \mainmagstep +% #5 = OT1 +% +\def\setfont#1#2#3#4#5{% + \font#1=\fontprefix#2#3 scaled #4 + \csname cmap#5\endcsname#1% +} +% This is what gets called when #5 of \setfont is empty. +\let\cmap\gobble +% +% (end of cmaps) % Use cm as the default font prefix. % To specify the font prefix, you must define \fontprefix % before you read in texinfo.tex. -\ifx\fontprefix\undefined +\ifx\fontprefix\thisisundefined \def\fontprefix{cm} \fi % Support font families that don't use the same naming scheme as CM. \def\rmshape{r} -\def\rmbshape{bx} %where the normal face is bold +\def\rmbshape{bx} % where the normal face is bold \def\bfshape{b} \def\bxshape{bx} \def\ttshape{tt} @@ -1374,107 +1802,291 @@ where each line of input produces a line of output.} \def\scshape{csc} \def\scbshape{csc} -\newcount\mainmagstep -\ifx\bigger\relax - % not really supported. - \mainmagstep=\magstep1 - \setfont\textrm\rmshape{12}{1000} - \setfont\texttt\ttshape{12}{1000} -\else - \mainmagstep=\magstephalf - \setfont\textrm\rmshape{10}{\mainmagstep} - \setfont\texttt\ttshape{10}{\mainmagstep} -\fi -\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} +% Definitions for a main text size of 11pt. (The default in Texinfo.) +% +\def\definetextfontsizexi{% +% Text fonts (11.2pt, magstep1). +\def\textnominalsize{11pt} +\edef\mainmagstep{\magstephalf} +\setfont\textrm\rmshape{10}{\mainmagstep}{OT1} +\setfont\texttt\ttshape{10}{\mainmagstep}{OT1TT} +\setfont\textbf\bfshape{10}{\mainmagstep}{OT1} +\setfont\textit\itshape{10}{\mainmagstep}{OT1IT} +\setfont\textsl\slshape{10}{\mainmagstep}{OT1} +\setfont\textsf\sfshape{10}{\mainmagstep}{OT1} +\setfont\textsc\scshape{10}{\mainmagstep}{OT1} +\setfont\textttsl\ttslshape{10}{\mainmagstep}{OT1TT} \font\texti=cmmi10 scaled \mainmagstep \font\textsy=cmsy10 scaled \mainmagstep +\def\textecsize{1095} % A few fonts for @defun names and args. -\setfont\defbf\bfshape{10}{\magstep1} -\setfont\deftt\ttshape{10}{\magstep1} -\setfont\defttsl\ttslshape{10}{\magstep1} +\setfont\defbf\bfshape{10}{\magstep1}{OT1} +\setfont\deftt\ttshape{10}{\magstep1}{OT1TT} +\setfont\defttsl\ttslshape{10}{\magstep1}{OT1TT} \def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf} % Fonts for indices, footnotes, small examples (9pt). -\setfont\smallrm\rmshape{9}{1000} -\setfont\smalltt\ttshape{9}{1000} -\setfont\smallbf\bfshape{10}{900} -\setfont\smallit\itshape{9}{1000} -\setfont\smallsl\slshape{9}{1000} -\setfont\smallsf\sfshape{9}{1000} -\setfont\smallsc\scshape{10}{900} -\setfont\smallttsl\ttslshape{10}{900} +\def\smallnominalsize{9pt} +\setfont\smallrm\rmshape{9}{1000}{OT1} +\setfont\smalltt\ttshape{9}{1000}{OT1TT} +\setfont\smallbf\bfshape{10}{900}{OT1} +\setfont\smallit\itshape{9}{1000}{OT1IT} +\setfont\smallsl\slshape{9}{1000}{OT1} +\setfont\smallsf\sfshape{9}{1000}{OT1} +\setfont\smallsc\scshape{10}{900}{OT1} +\setfont\smallttsl\ttslshape{10}{900}{OT1TT} \font\smalli=cmmi9 \font\smallsy=cmsy9 +\def\smallecsize{0900} % Fonts for small examples (8pt). -\setfont\smallerrm\rmshape{8}{1000} -\setfont\smallertt\ttshape{8}{1000} -\setfont\smallerbf\bfshape{10}{800} -\setfont\smallerit\itshape{8}{1000} -\setfont\smallersl\slshape{8}{1000} -\setfont\smallersf\sfshape{8}{1000} -\setfont\smallersc\scshape{10}{800} -\setfont\smallerttsl\ttslshape{10}{800} +\def\smallernominalsize{8pt} +\setfont\smallerrm\rmshape{8}{1000}{OT1} +\setfont\smallertt\ttshape{8}{1000}{OT1TT} +\setfont\smallerbf\bfshape{10}{800}{OT1} +\setfont\smallerit\itshape{8}{1000}{OT1IT} +\setfont\smallersl\slshape{8}{1000}{OT1} +\setfont\smallersf\sfshape{8}{1000}{OT1} +\setfont\smallersc\scshape{10}{800}{OT1} +\setfont\smallerttsl\ttslshape{10}{800}{OT1TT} \font\smalleri=cmmi8 \font\smallersy=cmsy8 - -% 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} +\def\smallerecsize{0800} + +% Fonts for title page (20.4pt): +\def\titlenominalsize{20pt} +\setfont\titlerm\rmbshape{12}{\magstep3}{OT1} +\setfont\titleit\itbshape{10}{\magstep4}{OT1IT} +\setfont\titlesl\slbshape{10}{\magstep4}{OT1} +\setfont\titlett\ttbshape{12}{\magstep3}{OT1TT} +\setfont\titlettsl\ttslshape{10}{\magstep4}{OT1TT} +\setfont\titlesf\sfbshape{17}{\magstep1}{OT1} \let\titlebf=\titlerm -\setfont\titlesc\scbshape{10}{\magstep4} +\setfont\titlesc\scbshape{10}{\magstep4}{OT1} \font\titlei=cmmi12 scaled \magstep3 \font\titlesy=cmsy10 scaled \magstep4 -\def\authorrm{\secrm} -\def\authortt{\sectt} +\def\titleecsize{2074} % Chapter (and unnumbered) fonts (17.28pt). -\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} +\def\chapnominalsize{17pt} +\setfont\chaprm\rmbshape{12}{\magstep2}{OT1} +\setfont\chapit\itbshape{10}{\magstep3}{OT1IT} +\setfont\chapsl\slbshape{10}{\magstep3}{OT1} +\setfont\chaptt\ttbshape{12}{\magstep2}{OT1TT} +\setfont\chapttsl\ttslshape{10}{\magstep3}{OT1TT} +\setfont\chapsf\sfbshape{17}{1000}{OT1} \let\chapbf=\chaprm -\setfont\chapsc\scbshape{10}{\magstep3} +\setfont\chapsc\scbshape{10}{\magstep3}{OT1} \font\chapi=cmmi12 scaled \magstep2 \font\chapsy=cmsy10 scaled \magstep3 +\def\chapecsize{1728} % 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} +\def\secnominalsize{14pt} +\setfont\secrm\rmbshape{12}{\magstep1}{OT1} +\setfont\secit\itbshape{10}{\magstep2}{OT1IT} +\setfont\secsl\slbshape{10}{\magstep2}{OT1} +\setfont\sectt\ttbshape{12}{\magstep1}{OT1TT} +\setfont\secttsl\ttslshape{10}{\magstep2}{OT1TT} +\setfont\secsf\sfbshape{12}{\magstep1}{OT1} \let\secbf\secrm -\setfont\secsc\scbshape{10}{\magstep2} +\setfont\secsc\scbshape{10}{\magstep2}{OT1} \font\seci=cmmi12 scaled \magstep1 \font\secsy=cmsy10 scaled \magstep2 +\def\sececsize{1440} % 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} +\def\ssecnominalsize{13pt} +\setfont\ssecrm\rmbshape{12}{\magstephalf}{OT1} +\setfont\ssecit\itbshape{10}{1315}{OT1IT} +\setfont\ssecsl\slbshape{10}{1315}{OT1} +\setfont\ssectt\ttbshape{12}{\magstephalf}{OT1TT} +\setfont\ssecttsl\ttslshape{10}{1315}{OT1TT} +\setfont\ssecsf\sfbshape{12}{\magstephalf}{OT1} \let\ssecbf\ssecrm -\setfont\ssecsc\scbshape{10}{\magstep1} +\setfont\ssecsc\scbshape{10}{1315}{OT1} \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. +\def\ssececsize{1200} + +% Reduced fonts for @acro in text (10pt). +\def\reducednominalsize{10pt} +\setfont\reducedrm\rmshape{10}{1000}{OT1} +\setfont\reducedtt\ttshape{10}{1000}{OT1TT} +\setfont\reducedbf\bfshape{10}{1000}{OT1} +\setfont\reducedit\itshape{10}{1000}{OT1IT} +\setfont\reducedsl\slshape{10}{1000}{OT1} +\setfont\reducedsf\sfshape{10}{1000}{OT1} +\setfont\reducedsc\scshape{10}{1000}{OT1} +\setfont\reducedttsl\ttslshape{10}{1000}{OT1TT} +\font\reducedi=cmmi10 +\font\reducedsy=cmsy10 +\def\reducedecsize{1000} + +\textleading = 13.2pt % line spacing for 11pt CM +\textfonts % reset the current fonts +\rm +} % end of 11pt text font size definitions, \definetextfontsizexi + + +% Definitions to make the main text be 10pt Computer Modern, with +% section, chapter, etc., sizes following suit. This is for the GNU +% Press printing of the Emacs 22 manual. Maybe other manuals in the +% future. Used with @smallbook, which sets the leading to 12pt. +% +\def\definetextfontsizex{% +% Text fonts (10pt). +\def\textnominalsize{10pt} +\edef\mainmagstep{1000} +\setfont\textrm\rmshape{10}{\mainmagstep}{OT1} +\setfont\texttt\ttshape{10}{\mainmagstep}{OT1TT} +\setfont\textbf\bfshape{10}{\mainmagstep}{OT1} +\setfont\textit\itshape{10}{\mainmagstep}{OT1IT} +\setfont\textsl\slshape{10}{\mainmagstep}{OT1} +\setfont\textsf\sfshape{10}{\mainmagstep}{OT1} +\setfont\textsc\scshape{10}{\mainmagstep}{OT1} +\setfont\textttsl\ttslshape{10}{\mainmagstep}{OT1TT} +\font\texti=cmmi10 scaled \mainmagstep +\font\textsy=cmsy10 scaled \mainmagstep +\def\textecsize{1000} + +% A few fonts for @defun names and args. +\setfont\defbf\bfshape{10}{\magstephalf}{OT1} +\setfont\deftt\ttshape{10}{\magstephalf}{OT1TT} +\setfont\defttsl\ttslshape{10}{\magstephalf}{OT1TT} +\def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf} + +% Fonts for indices, footnotes, small examples (9pt). +\def\smallnominalsize{9pt} +\setfont\smallrm\rmshape{9}{1000}{OT1} +\setfont\smalltt\ttshape{9}{1000}{OT1TT} +\setfont\smallbf\bfshape{10}{900}{OT1} +\setfont\smallit\itshape{9}{1000}{OT1IT} +\setfont\smallsl\slshape{9}{1000}{OT1} +\setfont\smallsf\sfshape{9}{1000}{OT1} +\setfont\smallsc\scshape{10}{900}{OT1} +\setfont\smallttsl\ttslshape{10}{900}{OT1TT} +\font\smalli=cmmi9 +\font\smallsy=cmsy9 +\def\smallecsize{0900} + +% Fonts for small examples (8pt). +\def\smallernominalsize{8pt} +\setfont\smallerrm\rmshape{8}{1000}{OT1} +\setfont\smallertt\ttshape{8}{1000}{OT1TT} +\setfont\smallerbf\bfshape{10}{800}{OT1} +\setfont\smallerit\itshape{8}{1000}{OT1IT} +\setfont\smallersl\slshape{8}{1000}{OT1} +\setfont\smallersf\sfshape{8}{1000}{OT1} +\setfont\smallersc\scshape{10}{800}{OT1} +\setfont\smallerttsl\ttslshape{10}{800}{OT1TT} +\font\smalleri=cmmi8 +\font\smallersy=cmsy8 +\def\smallerecsize{0800} + +% Fonts for title page (20.4pt): +\def\titlenominalsize{20pt} +\setfont\titlerm\rmbshape{12}{\magstep3}{OT1} +\setfont\titleit\itbshape{10}{\magstep4}{OT1IT} +\setfont\titlesl\slbshape{10}{\magstep4}{OT1} +\setfont\titlett\ttbshape{12}{\magstep3}{OT1TT} +\setfont\titlettsl\ttslshape{10}{\magstep4}{OT1TT} +\setfont\titlesf\sfbshape{17}{\magstep1}{OT1} +\let\titlebf=\titlerm +\setfont\titlesc\scbshape{10}{\magstep4}{OT1} +\font\titlei=cmmi12 scaled \magstep3 +\font\titlesy=cmsy10 scaled \magstep4 +\def\titleecsize{2074} + +% Chapter fonts (14.4pt). +\def\chapnominalsize{14pt} +\setfont\chaprm\rmbshape{12}{\magstep1}{OT1} +\setfont\chapit\itbshape{10}{\magstep2}{OT1IT} +\setfont\chapsl\slbshape{10}{\magstep2}{OT1} +\setfont\chaptt\ttbshape{12}{\magstep1}{OT1TT} +\setfont\chapttsl\ttslshape{10}{\magstep2}{OT1TT} +\setfont\chapsf\sfbshape{12}{\magstep1}{OT1} +\let\chapbf\chaprm +\setfont\chapsc\scbshape{10}{\magstep2}{OT1} +\font\chapi=cmmi12 scaled \magstep1 +\font\chapsy=cmsy10 scaled \magstep2 +\def\chapecsize{1440} + +% Section fonts (12pt). +\def\secnominalsize{12pt} +\setfont\secrm\rmbshape{12}{1000}{OT1} +\setfont\secit\itbshape{10}{\magstep1}{OT1IT} +\setfont\secsl\slbshape{10}{\magstep1}{OT1} +\setfont\sectt\ttbshape{12}{1000}{OT1TT} +\setfont\secttsl\ttslshape{10}{\magstep1}{OT1TT} +\setfont\secsf\sfbshape{12}{1000}{OT1} +\let\secbf\secrm +\setfont\secsc\scbshape{10}{\magstep1}{OT1} +\font\seci=cmmi12 +\font\secsy=cmsy10 scaled \magstep1 +\def\sececsize{1200} + +% Subsection fonts (10pt). +\def\ssecnominalsize{10pt} +\setfont\ssecrm\rmbshape{10}{1000}{OT1} +\setfont\ssecit\itbshape{10}{1000}{OT1IT} +\setfont\ssecsl\slbshape{10}{1000}{OT1} +\setfont\ssectt\ttbshape{10}{1000}{OT1TT} +\setfont\ssecttsl\ttslshape{10}{1000}{OT1TT} +\setfont\ssecsf\sfbshape{10}{1000}{OT1} +\let\ssecbf\ssecrm +\setfont\ssecsc\scbshape{10}{1000}{OT1} +\font\sseci=cmmi10 +\font\ssecsy=cmsy10 +\def\ssececsize{1000} + +% Reduced fonts for @acro in text (9pt). +\def\reducednominalsize{9pt} +\setfont\reducedrm\rmshape{9}{1000}{OT1} +\setfont\reducedtt\ttshape{9}{1000}{OT1TT} +\setfont\reducedbf\bfshape{10}{900}{OT1} +\setfont\reducedit\itshape{9}{1000}{OT1IT} +\setfont\reducedsl\slshape{9}{1000}{OT1} +\setfont\reducedsf\sfshape{9}{1000}{OT1} +\setfont\reducedsc\scshape{10}{900}{OT1} +\setfont\reducedttsl\ttslshape{10}{900}{OT1TT} +\font\reducedi=cmmi9 +\font\reducedsy=cmsy9 +\def\reducedecsize{0900} + +\divide\parskip by 2 % reduce space between paragraphs +\textleading = 12pt % line spacing for 10pt CM +\textfonts % reset the current fonts +\rm +} % end of 10pt text font size definitions, \definetextfontsizex + + +% We provide the user-level command +% @fonttextsize 10 +% (or 11) to redefine the text font size. pt is assumed. +% +\def\xiword{11} +\def\xword{10} +\def\xwordpt{10pt} +% +\parseargdef\fonttextsize{% + \def\textsizearg{#1}% + %\wlog{doing @fonttextsize \textsizearg}% + % + % Set \globaldefs so that documents can use this inside @tex, since + % makeinfo 4.8 does not support it, but we need it nonetheless. + % + \begingroup \globaldefs=1 + \ifx\textsizearg\xword \definetextfontsizex + \else \ifx\textsizearg\xiword \definetextfontsizexi + \else + \errhelp=\EMsimple + \errmessage{@fonttextsize only supports `10' or `11', not `\textsizearg'} + \fi\fi + \endgroup +} + % In order for the font changes to affect most math symbols and letters, % we have to define the \textfont of the standard families. Since @@ -1489,114 +2101,321 @@ where each line of input produces a line of output.} } % The font-changing commands redefine the meanings of \tenSTYLE, instead -% of just \STYLE. We do this so that font changes will continue to work -% in math mode, where it is the current \fam that is relevant in most -% cases, not the current font. Plain TeX does \def\bf{\fam=\bffam -% \tenbf}, for example. By redefining \tenbf, we obviate the need to -% redefine \bf itself. +% of just \STYLE. We do this because \STYLE needs to also set the +% current \fam for math mode. Our \STYLE (e.g., \rm) commands hardwire +% \tenSTYLE to set the current font. +% +% Each font-changing command also sets the names \lsize (one size lower) +% and \lllsize (three sizes lower). These relative commands are used in +% the LaTeX logo and acronyms. +% +% This all needs generalizing, badly. +% \def\textfonts{% \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc - \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy \let\tenttsl=\textttsl + \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy + \let\tenttsl=\textttsl + \def\curfontsize{text}% + \def\lsize{reduced}\def\lllsize{smaller}% \resetmathfonts \setleading{\textleading}} \def\titlefonts{% \let\tenrm=\titlerm \let\tenit=\titleit \let\tensl=\titlesl \let\tenbf=\titlebf \let\tentt=\titlett \let\smallcaps=\titlesc \let\tensf=\titlesf \let\teni=\titlei \let\tensy=\titlesy \let\tenttsl=\titlettsl - \resetmathfonts \setleading{25pt}} -\def\titlefont#1{{\titlefonts\rm #1}} + \def\curfontsize{title}% + \def\lsize{chap}\def\lllsize{subsec}% + \resetmathfonts \setleading{27pt}} +\def\titlefont#1{{\titlefonts\rmisbold #1}} \def\chapfonts{% \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc - \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy \let\tenttsl=\chapttsl + \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy + \let\tenttsl=\chapttsl + \def\curfontsize{chap}% + \def\lsize{sec}\def\lllsize{text}% \resetmathfonts \setleading{19pt}} \def\secfonts{% \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc - \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy \let\tenttsl=\secttsl + \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy + \let\tenttsl=\secttsl + \def\curfontsize{sec}% + \def\lsize{subsec}\def\lllsize{reduced}% \resetmathfonts \setleading{16pt}} \def\subsecfonts{% \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc - \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy \let\tenttsl=\ssecttsl + \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy + \let\tenttsl=\ssecttsl + \def\curfontsize{ssec}% + \def\lsize{text}\def\lllsize{small}% \resetmathfonts \setleading{15pt}} -\let\subsubsecfonts = \subsecfonts % Maybe make sssec fonts scaled magstephalf? +\let\subsubsecfonts = \subsecfonts +\def\reducedfonts{% + \let\tenrm=\reducedrm \let\tenit=\reducedit \let\tensl=\reducedsl + \let\tenbf=\reducedbf \let\tentt=\reducedtt \let\reducedcaps=\reducedsc + \let\tensf=\reducedsf \let\teni=\reducedi \let\tensy=\reducedsy + \let\tenttsl=\reducedttsl + \def\curfontsize{reduced}% + \def\lsize{small}\def\lllsize{smaller}% + \resetmathfonts \setleading{10.5pt}} \def\smallfonts{% \let\tenrm=\smallrm \let\tenit=\smallit \let\tensl=\smallsl \let\tenbf=\smallbf \let\tentt=\smalltt \let\smallcaps=\smallsc \let\tensf=\smallsf \let\teni=\smalli \let\tensy=\smallsy \let\tenttsl=\smallttsl + \def\curfontsize{small}% + \def\lsize{smaller}\def\lllsize{smaller}% \resetmathfonts \setleading{10.5pt}} \def\smallerfonts{% \let\tenrm=\smallerrm \let\tenit=\smallerit \let\tensl=\smallersl \let\tenbf=\smallerbf \let\tentt=\smallertt \let\smallcaps=\smallersc \let\tensf=\smallersf \let\teni=\smalleri \let\tensy=\smallersy \let\tenttsl=\smallerttsl + \def\curfontsize{smaller}% + \def\lsize{smaller}\def\lllsize{smaller}% \resetmathfonts \setleading{9.5pt}} +% Fonts for short table of contents. +\setfont\shortcontrm\rmshape{12}{1000}{OT1} +\setfont\shortcontbf\bfshape{10}{\magstep1}{OT1} % no cmb12 +\setfont\shortcontsl\slshape{12}{1000}{OT1} +\setfont\shortconttt\ttshape{12}{1000}{OT1TT} + +% Define these just so they can be easily changed for other fonts. +\def\angleleft{$\langle$} +\def\angleright{$\rangle$} + % Set the fonts to use with the @small... environments. \let\smallexamplefonts = \smallfonts % About \smallexamplefonts. If we use \smallfonts (9pt), @smallexample % can fit this many characters: % 8.5x11=86 smallbook=72 a4=90 a5=69 -% If we use \smallerfonts (8pt), then we can fit this many characters: +% If we use \scriptfonts (8pt), then we can fit this many characters: % 8.5x11=90+ smallbook=80 a4=90+ a5=77 % For me, subjectively, the few extra characters that fit aren't worth % the additional smallness of 8pt. So I'm making the default 9pt. % % By the way, for comparison, here's what fits with @example (10pt): % 8.5x11=71 smallbook=60 a4=75 a5=58 +% --karl, 24jan03. + +% Set up the default fonts, so we can use them for creating boxes. % -% I wish we used A4 paper on this side of the Atlantic. +\definetextfontsizexi + + +\message{markup,} + +% Check if we are currently using a typewriter font. Since all the +% Computer Modern typewriter fonts have zero interword stretch (and +% shrink), and it is reasonable to expect all typewriter fonts to have +% this property, we can check that font parameter. % -% --karl, 24jan03. +\def\ifmonospace{\ifdim\fontdimen3\font=0pt } +% Markup style infrastructure. \defmarkupstylesetup\INITMACRO will +% define and register \INITMACRO to be called on markup style changes. +% \INITMACRO can check \currentmarkupstyle for the innermost +% style and the set of \ifmarkupSTYLE switches for all styles +% currently in effect. +\newif\ifmarkupvar +\newif\ifmarkupsamp +\newif\ifmarkupkey +%\newif\ifmarkupfile % @file == @samp. +%\newif\ifmarkupoption % @option == @samp. +\newif\ifmarkupcode +\newif\ifmarkupkbd +%\newif\ifmarkupenv % @env == @code. +%\newif\ifmarkupcommand % @command == @code. +\newif\ifmarkuptex % @tex (and part of @math, for now). +\newif\ifmarkupexample +\newif\ifmarkupverb +\newif\ifmarkupverbatim -% Set up the default fonts, so we can use them for creating boxes. +\let\currentmarkupstyle\empty + +\def\setupmarkupstyle#1{% + \csname markup#1true\endcsname + \def\currentmarkupstyle{#1}% + \markupstylesetup +} + +\let\markupstylesetup\empty + +\def\defmarkupstylesetup#1{% + \expandafter\def\expandafter\markupstylesetup + \expandafter{\markupstylesetup #1}% + \def#1% +} + +% Markup style setup for left and right quotes. +\defmarkupstylesetup\markupsetuplq{% + \expandafter\let\expandafter \temp + \csname markupsetuplq\currentmarkupstyle\endcsname + \ifx\temp\relax \markupsetuplqdefault \else \temp \fi +} + +\defmarkupstylesetup\markupsetuprq{% + \expandafter\let\expandafter \temp + \csname markupsetuprq\currentmarkupstyle\endcsname + \ifx\temp\relax \markupsetuprqdefault \else \temp \fi +} + +{ +\catcode`\'=\active +\catcode`\`=\active + +\gdef\markupsetuplqdefault{\let`\lq} +\gdef\markupsetuprqdefault{\let'\rq} + +\gdef\markupsetcodequoteleft{\let`\codequoteleft} +\gdef\markupsetcodequoteright{\let'\codequoteright} + +\gdef\markupsetnoligaturesquoteleft{\let`\noligaturesquoteleft} +} + +\let\markupsetuplqcode \markupsetcodequoteleft +\let\markupsetuprqcode \markupsetcodequoteright +% +\let\markupsetuplqexample \markupsetcodequoteleft +\let\markupsetuprqexample \markupsetcodequoteright % -\textfonts +\let\markupsetuplqsamp \markupsetcodequoteleft +\let\markupsetuprqsamp \markupsetcodequoteright +% +\let\markupsetuplqverb \markupsetcodequoteleft +\let\markupsetuprqverb \markupsetcodequoteright +% +\let\markupsetuplqverbatim \markupsetcodequoteleft +\let\markupsetuprqverbatim \markupsetcodequoteright -% Define these so they can be easily changed for other fonts. -\def\angleleft{$\langle$} -\def\angleright{$\rangle$} +\let\markupsetuplqkbd \markupsetnoligaturesquoteleft + +% Allow an option to not use regular directed right quote/apostrophe +% (char 0x27), but instead the undirected quote from cmtt (char 0x0d). +% The undirected quote is ugly, so don't make it the default, but it +% works for pasting with more pdf viewers (at least evince), the +% lilypond developers report. xpdf does work with the regular 0x27. +% +\def\codequoteright{% + \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax + \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax + '% + \else \char'15 \fi + \else \char'15 \fi +} +% +% and a similar option for the left quote char vs. a grave accent. +% Modern fonts display ASCII 0x60 as a grave accent, so some people like +% the code environments to do likewise. +% +\def\codequoteleft{% + \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax + \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax + % [Knuth] pp. 380,381,391 + % \relax disables Spanish ligatures ?` and !` of \tt font. + \relax`% + \else \char'22 \fi + \else \char'22 \fi +} + +% Commands to set the quote options. +% +\parseargdef\codequoteundirected{% + \def\temp{#1}% + \ifx\temp\onword + \expandafter\let\csname SETtxicodequoteundirected\endcsname + = t% + \else\ifx\temp\offword + \expandafter\let\csname SETtxicodequoteundirected\endcsname + = \relax + \else + \errhelp = \EMsimple + \errmessage{Unknown @codequoteundirected value `\temp', must be on|off}% + \fi\fi +} +% +\parseargdef\codequotebacktick{% + \def\temp{#1}% + \ifx\temp\onword + \expandafter\let\csname SETtxicodequotebacktick\endcsname + = t% + \else\ifx\temp\offword + \expandafter\let\csname SETtxicodequotebacktick\endcsname + = \relax + \else + \errhelp = \EMsimple + \errmessage{Unknown @codequotebacktick value `\temp', must be on|off}% + \fi\fi +} + +% [Knuth] pp. 380,381,391, disable Spanish ligatures ?` and !` of \tt font. +\def\noligaturesquoteleft{\relax\lq} % Count depth in font-changes, for error checks \newcount\fontdepth \fontdepth=0 -% Fonts for short table of contents. -\setfont\shortcontrm\rmshape{12}{1000} -\setfont\shortcontbf\bfshape{10}{\magstep1} % no cmb12 -\setfont\shortcontsl\slshape{12}{1000} -\setfont\shortconttt\ttshape{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 - \ptexslash\fi\fi\fi} -\def\smartslanted#1{{\ifusingtt\ttsl\sl #1}\futurelet\next\smartitalicx} -\def\smartitalic#1{{\ifusingtt\ttsl\it #1}\futurelet\next\smartitalicx} - -% like \smartslanted except unconditionally uses \ttsl. +% Font commands. + +% #1 is the font command (\sl or \it), #2 is the text to slant. +% If we are in a monospaced environment, however, 1) always use \ttsl, +% and 2) do not add an italic correction. +\def\dosmartslant#1#2{% + \ifusingtt + {{\ttsl #2}\let\next=\relax}% + {\def\next{{#1#2}\futurelet\next\smartitaliccorrection}}% + \next +} +\def\smartslanted{\dosmartslant\sl} +\def\smartitalic{\dosmartslant\it} + +% Output an italic correction unless \next (presumed to be the following +% character) is such as not to need one. +\def\smartitaliccorrection{% + \ifx\next,% + \else\ifx\next-% + \else\ifx\next.% + \else\ptexslash + \fi\fi\fi + \aftersmartic +} + +% like \smartslanted except unconditionally uses \ttsl, and no ic. % @var is set to this for defun arguments. -\def\ttslanted#1{{\ttsl #1}\futurelet\next\smartitalicx} +\def\ttslanted#1{{\ttsl #1}} -% like \smartslanted except unconditionally use \sl. We never want +% @cite is like \smartslanted except unconditionally use \sl. We never want % ttsl for book titles, do we? -\def\cite#1{{\sl #1}\futurelet\next\smartitalicx} +\def\cite#1{{\sl #1}\futurelet\next\smartitaliccorrection} + +\def\aftersmartic{} +\def\var#1{% + \let\saveaftersmartic = \aftersmartic + \def\aftersmartic{\null\let\aftersmartic=\saveaftersmartic}% + \smartslanted{#1}% +} \let\i=\smartitalic -\let\var=\smartslanted +\let\slanted=\smartslanted \let\dfn=\smartslanted \let\emph=\smartitalic +% Explicit font changes: @r, @sc, undocumented @ii. +\def\r#1{{\rm #1}} % roman font +\def\sc#1{{\smallcaps#1}} % smallcaps font +\def\ii#1{{\it #1}} % italic font + +% @b, explicit bold. Also @strong. \def\b#1{{\bf #1}} \let\strong=\b +% @sansserif, explicit sans. +\def\sansserif#1{{\sf #1}} + % 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. @@ -1609,28 +2428,48 @@ where each line of input produces a line of output.} % sometimes \x has an active definition that messes things up. % \catcode`@=11 - \def\frenchspacing{% + \def\plainfrenchspacing{% \sfcode\dotChar =\@m \sfcode\questChar=\@m \sfcode\exclamChar=\@m \sfcode\colonChar=\@m \sfcode\semiChar =\@m \sfcode\commaChar =\@m + \def\endofsentencespacefactor{1000}% for @. and friends + } + \def\plainnonfrenchspacing{% + \sfcode`\.3000\sfcode`\?3000\sfcode`\!3000 + \sfcode`\:2000\sfcode`\;1500\sfcode`\,1250 + \def\endofsentencespacefactor{3000}% for @. and friends } \catcode`@=\other +\def\endofsentencespacefactor{3000}% default +% @t, explicit typewriter. \def\t#1{% - {\tt \rawbackslash \frenchspacing #1}% + {\tt \rawbackslash \plainfrenchspacing #1}% \null } -\let\ttfont=\t -\def\samp#1{`\tclose{#1}'\null} -\setfont\keyrm\rmshape{8}{1000} -\font\keysy=cmsy9 -\def\key#1{{\keyrm\textfont2=\keysy \leavevmode\hbox{% - \raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{% - \vbox{\hrule\kern-0.4pt - \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}% - \kern-0.4pt\hrule}% - \kern-.06em\raise0.4pt\hbox{\angleright}}}} -% The old definition, with no lozenge: -%\def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null} + +% @samp. +\def\samp#1{{\setupmarkupstyle{samp}\lq\tclose{#1}\rq\null}} + +% definition of @key that produces a lozenge. Doesn't adjust to text size. +%\setfont\keyrm\rmshape{8}{1000}{OT1} +%\font\keysy=cmsy9 +%\def\key#1{{\keyrm\textfont2=\keysy \leavevmode\hbox{% +% \raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{% +% \vbox{\hrule\kern-0.4pt +% \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}% +% \kern-0.4pt\hrule}% +% \kern-.06em\raise0.4pt\hbox{\angleright}}}} + +% definition of @key with no lozenge. If the current font is already +% monospace, don't change it; that way, we respect @kbdinputstyle. But +% if it isn't monospace, then use \tt. +% +\def\key#1{{\setupmarkupstyle{key}% + \nohyphenation + \ifmonospace\else\tt\fi + #1}\null} + +% ctrl is no longer a Texinfo command. \def\ctrl #1{{\tt \rawbackslash \hat}#1} % @file, @option are the same as @samp. @@ -1654,13 +2493,13 @@ where each line of input produces a line of output.} \nohyphenation % \rawbackslash - \frenchspacing + \plainfrenchspacing #1% }% - \null + \null % reset spacefactor to 1000 } -% We *must* turn on hyphenation at `-' and `_' in \code. +% We *must* turn on hyphenation at `-' and `_' in @code. % Otherwise, it is too hard to avoid overfull hboxes % in the Emacs manual, the Library manual, etc. @@ -1670,16 +2509,27 @@ where each line of input produces a line of output.} % and arrange explicitly to hyphenate at a dash. % -- rms. { - \catcode`\-=\active - \catcode`\_=\active + \catcode`\-=\active \catcode`\_=\active + \catcode`\'=\active \catcode`\`=\active + \global\let'=\rq \global\let`=\lq % default definitions % \global\def\code{\begingroup - \catcode`\-=\active \let-\codedash - \catcode`\_=\active \let_\codeunder + \setupmarkupstyle{code}% + % The following should really be moved into \setupmarkupstyle handlers. + \catcode\dashChar=\active \catcode\underChar=\active + \ifallowcodebreaks + \let-\codedash + \let_\codeunder + \else + \let-\realdash + \let_\realunder + \fi \codex } } +\def\codex #1{\tclose{#1}\endgroup} + \def\realdash{-} \def\codedash{-\discretionary{}{}{}} \def\codeunder{% @@ -1693,131 +2543,647 @@ where each line of input produces a line of output.} \discretionary{}{}{}}% {\_}% } -\def\codex #1{\tclose{#1}\endgroup} + +% An additional complication: the above will allow breaks after, e.g., +% each of the four underscores in __typeof__. This is undesirable in +% some manuals, especially if they don't have long identifiers in +% general. @allowcodebreaks provides a way to control this. +% +\newif\ifallowcodebreaks \allowcodebreakstrue + +\def\keywordtrue{true} +\def\keywordfalse{false} + +\parseargdef\allowcodebreaks{% + \def\txiarg{#1}% + \ifx\txiarg\keywordtrue + \allowcodebreakstrue + \else\ifx\txiarg\keywordfalse + \allowcodebreaksfalse + \else + \errhelp = \EMsimple + \errmessage{Unknown @allowcodebreaks option `\txiarg', must be true|false}% + \fi\fi +} + +% @uref (abbreviation for `urlref') takes an optional (comma-separated) +% second argument specifying the text to display and an optional third +% arg as text to display instead of (rather than in addition to) the url +% itself. First (mandatory) arg is the url. +% (This \urefnobreak definition isn't used now, leaving it for a while +% for comparison.) +\def\urefnobreak#1{\dourefnobreak #1,,,\finish} +\def\dourefnobreak#1,#2,#3,#4\finish{\begingroup + \unsepspaces + \pdfurl{#1}% + \setbox0 = \hbox{\ignorespaces #3}% + \ifdim\wd0 > 0pt + \unhbox0 % third arg given, show only that + \else + \setbox0 = \hbox{\ignorespaces #2}% + \ifdim\wd0 > 0pt + \ifpdf + \unhbox0 % PDF: 2nd arg given, show only it + \else + \unhbox0\ (\code{#1})% DVI: 2nd arg given, show both it and url + \fi + \else + \code{#1}% only url given, so show it + \fi + \fi + \endlink +\endgroup} + +% This \urefbreak definition is the active one. +\def\urefbreak{\begingroup \urefcatcodes \dourefbreak} +\let\uref=\urefbreak +\def\dourefbreak#1{\urefbreakfinish #1,,,\finish} +\def\urefbreakfinish#1,#2,#3,#4\finish{% doesn't work in @example + \unsepspaces + \pdfurl{#1}% + \setbox0 = \hbox{\ignorespaces #3}% + \ifdim\wd0 > 0pt + \unhbox0 % third arg given, show only that + \else + \setbox0 = \hbox{\ignorespaces #2}% + \ifdim\wd0 > 0pt + \ifpdf + \unhbox0 % PDF: 2nd arg given, show only it + \else + \unhbox0\ (\urefcode{#1})% DVI: 2nd arg given, show both it and url + \fi + \else + \urefcode{#1}% only url given, so show it + \fi + \fi + \endlink +\endgroup} + +% Allow line breaks around only a few characters (only). +\def\urefcatcodes{% + \catcode\ampChar=\active \catcode\dotChar=\active + \catcode\hashChar=\active \catcode\questChar=\active + \catcode\slashChar=\active +} +{ + \urefcatcodes + % + \global\def\urefcode{\begingroup + \setupmarkupstyle{code}% + \urefcatcodes + \let&\urefcodeamp + \let.\urefcodedot + \let#\urefcodehash + \let?\urefcodequest + \let/\urefcodeslash + \codex + } + % + % By default, they are just regular characters. + \global\def&{\normalamp} + \global\def.{\normaldot} + \global\def#{\normalhash} + \global\def?{\normalquest} + \global\def/{\normalslash} +} + +% we put a little stretch before and after the breakable chars, to help +% line breaking of long url's. The unequal skips make look better in +% cmtt at least, especially for dots. +\def\urefprestretch{\urefprebreak \hskip0pt plus.13em } +\def\urefpoststretch{\urefpostbreak \hskip0pt plus.1em } +% +\def\urefcodeamp{\urefprestretch \&\urefpoststretch} +\def\urefcodedot{\urefprestretch .\urefpoststretch} +\def\urefcodehash{\urefprestretch \#\urefpoststretch} +\def\urefcodequest{\urefprestretch ?\urefpoststretch} +\def\urefcodeslash{\futurelet\next\urefcodeslashfinish} +{ + \catcode`\/=\active + \global\def\urefcodeslashfinish{% + \urefprestretch \slashChar + % Allow line break only after the final / in a sequence of + % slashes, to avoid line break between the slashes in http://. + \ifx\next/\else \urefpoststretch \fi + } +} + +% One more complication: by default we'll break after the special +% characters, but some people like to break before the special chars, so +% allow that. Also allow no breaking at all, for manual control. +% +\parseargdef\urefbreakstyle{% + \def\txiarg{#1}% + \ifx\txiarg\wordnone + \def\urefprebreak{\nobreak}\def\urefpostbreak{\nobreak} + \else\ifx\txiarg\wordbefore + \def\urefprebreak{\allowbreak}\def\urefpostbreak{\nobreak} + \else\ifx\txiarg\wordafter + \def\urefprebreak{\nobreak}\def\urefpostbreak{\allowbreak} + \else + \errhelp = \EMsimple + \errmessage{Unknown @urefbreakstyle setting `\txiarg'}% + \fi\fi\fi +} +\def\wordafter{after} +\def\wordbefore{before} +\def\wordnone{none} + +\urefbreakstyle after + +% @url synonym for @uref, since that's how everyone uses it. +% +\let\url=\uref + +% rms does not like angle brackets --karl, 17may97. +% So now @email is just like @uref, unless we are pdf. +% +%\def\email#1{\angleleft{\tt #1}\angleright} +\ifpdf + \def\email#1{\doemail#1,,\finish} + \def\doemail#1,#2,#3\finish{\begingroup + \unsepspaces + \pdfurl{mailto:#1}% + \setbox0 = \hbox{\ignorespaces #2}% + \ifdim\wd0>0pt\unhbox0\else\code{#1}\fi + \endlink + \endgroup} +\else + \let\email=\uref +\fi % @kbd is like @code, except that if the argument is just one @key command, % then @kbd has no effect. +\def\kbd#1{{\setupmarkupstyle{kbd}\def\look{#1}\expandafter\kbdfoo\look??\par}} % @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always), % `example' (@kbd uses ttsl only inside of @example and friends), % or `code' (@kbd uses normal tty font always). -\defparsearg\kbdinputstyle{% - \def\arg{#1}% - \ifx\arg\worddistinct +\parseargdef\kbdinputstyle{% + \def\txiarg{#1}% + \ifx\txiarg\worddistinct \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}% - \else\ifx\arg\wordexample + \else\ifx\txiarg\wordexample \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}% - \else\ifx\arg\wordcode + \else\ifx\txiarg\wordcode \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}% \else \errhelp = \EMsimple - \errmessage{Unknown @kbdinputstyle option `\arg'}% + \errmessage{Unknown @kbdinputstyle setting `\txiarg'}% \fi\fi\fi } \def\worddistinct{distinct} \def\wordexample{example} \def\wordcode{code} -% Default is `distinct.' +% Default is `distinct'. \kbdinputstyle distinct \def\xkey{\key} \def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}% \ifx\one\xkey\ifx\threex\three \key{#2}% -\else{\tclose{\kbdfont\look}}\fi -\else{\tclose{\kbdfont\look}}\fi} +\else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi +\else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi} -% For @url, @env, @command quotes seem unnecessary, so use \code. -\let\url=\code +% For @indicateurl, @env, @command quotes seem unnecessary, so use \code. +\let\indicateurl=\code \let\env=\code \let\command=\code -% @uref (abbreviation for `urlref') takes an optional (comma-separated) -% second argument specifying the text to display and an optional third -% arg as text to display instead of (rather than in addition to) the url -% itself. First (mandatory) arg is the url. Perhaps eventually put in -% a hypertex \special here. +% @clicksequence{File @click{} Open ...} +\def\clicksequence#1{\begingroup #1\endgroup} + +% @clickstyle @arrow (by default) +\parseargdef\clickstyle{\def\click{#1}} +\def\click{\arrow} + +% Typeset a dimension, e.g., `in' or `pt'. The only reason for the +% argument is to make the input look right: @dmn{pt} instead of @dmn{}pt. +% +\def\dmn#1{\thinspace #1} + +% @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} + +% @acronym for "FBI", "NATO", and the like. +% We print this one point size smaller, since it's intended for +% all-uppercase. +% +\def\acronym#1{\doacronym #1,,\finish} +\def\doacronym#1,#2,#3\finish{% + {\selectfonts\lsize #1}% + \def\temp{#2}% + \ifx\temp\empty \else + \space ({\unsepspaces \ignorespaces \temp \unskip})% + \fi + \null % reset \spacefactor=1000 +} + +% @abbr for "Comput. J." and the like. +% No font change, but don't do end-of-sentence spacing. +% +\def\abbr#1{\doabbr #1,,\finish} +\def\doabbr#1,#2,#3\finish{% + {\plainfrenchspacing #1}% + \def\temp{#2}% + \ifx\temp\empty \else + \space ({\unsepspaces \ignorespaces \temp \unskip})% + \fi + \null % reset \spacefactor=1000 +} + +% @asis just yields its argument. Used with @table, for example. +% +\def\asis#1{#1} + +% @math outputs its argument in math mode. +% +% One complication: _ usually means subscripts, but it could also mean +% an actual _ character, as in @math{@var{some_variable} + 1}. So make +% _ active, and distinguish by seeing if the current family is \slfam, +% which is what @var uses. +{ + \catcode`\_ = \active + \gdef\mathunderscore{% + \catcode`\_=\active + \def_{\ifnum\fam=\slfam \_\else\sb\fi}% + } +} +% Another complication: we want \\ (and @\) to output a math (or tt) \. +% FYI, plain.tex uses \\ as a temporary control sequence (for no +% particular reason), but this is not advertised and we don't care. +% +% The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\. +\def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi} +% +\def\math{% + \tex + \mathunderscore + \let\\ = \mathbackslash + \mathactive + % make the texinfo accent commands work in math mode + \let\"=\ddot + \let\'=\acute + \let\==\bar + \let\^=\hat + \let\`=\grave + \let\u=\breve + \let\v=\check + \let\~=\tilde + \let\dotaccent=\dot + $\finishmath +} +\def\finishmath#1{#1$\endgroup} % Close the group opened by \tex. + +% Some active characters (such as <) are spaced differently in math. +% We have to reset their definitions in case the @math was an argument +% to a command which sets the catcodes (such as @item or @section). +% +{ + \catcode`^ = \active + \catcode`< = \active + \catcode`> = \active + \catcode`+ = \active + \catcode`' = \active + \gdef\mathactive{% + \let^ = \ptexhat + \let< = \ptexless + \let> = \ptexgtr + \let+ = \ptexplus + \let' = \ptexquoteright + } +} + +% @inlinefmt{FMTNAME,PROCESSED-TEXT} and @inlineraw{FMTNAME,RAW-TEXT}. +% Ignore unless FMTNAME == tex; then it is like @iftex and @tex, +% except specified as a normal braced arg, so no newlines to worry about. +% +\def\outfmtnametex{tex} +% +\long\def\inlinefmt#1{\doinlinefmt #1,\finish} +\long\def\doinlinefmt#1,#2,\finish{% + \def\inlinefmtname{#1}% + \ifx\inlinefmtname\outfmtnametex \ignorespaces #2\fi +} +% For raw, must switch into @tex before parsing the argument, to avoid +% setting catcodes prematurely. Doing it this way means that, for +% example, @inlineraw{html, foo{bar} gets a parse error instead of being +% ignored. But this isn't important because if people want a literal +% *right* brace they would have to use a command anyway, so they may as +% well use a command to get a left brace too. We could re-use the +% delimiter character idea from \verb, but it seems like overkill. +% +\long\def\inlineraw{\tex \doinlineraw} +\long\def\doinlineraw#1{\doinlinerawtwo #1,\finish} +\def\doinlinerawtwo#1,#2,\finish{% + \def\inlinerawname{#1}% + \ifx\inlinerawname\outfmtnametex \ignorespaces #2\fi + \endgroup % close group opened by \tex. +} + + +\message{glyphs,} +% and logos. + +% @@ prints an @, as does @atchar{}. +\def\@{\char64 } +\let\atchar=\@ + +% @{ @} @lbracechar{} @rbracechar{} all generate brace characters. +% Unless we're in typewriter, use \ecfont because the CM text fonts do +% not have braces, and we don't want to switch into math. +\def\mylbrace{{\ifmonospace\else\ecfont\fi \char123}} +\def\myrbrace{{\ifmonospace\else\ecfont\fi \char125}} +\let\{=\mylbrace \let\lbracechar=\{ +\let\}=\myrbrace \let\rbracechar=\} +\begingroup + % Definitions to produce \{ and \} commands for indices, + % and @{ and @} for the aux/toc files. + \catcode`\{ = \other \catcode`\} = \other + \catcode`\[ = 1 \catcode`\] = 2 + \catcode`\! = 0 \catcode`\\ = \other + !gdef!lbracecmd[\{]% + !gdef!rbracecmd[\}]% + !gdef!lbraceatcmd[@{]% + !gdef!rbraceatcmd[@}]% +!endgroup + +% @comma{} to avoid , parsing problems. +\let\comma = , + +% Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent +% Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H. +\let\, = \ptexc +\let\dotaccent = \ptexdot +\def\ringaccent#1{{\accent23 #1}} +\let\tieaccent = \ptext +\let\ubaraccent = \ptexb +\let\udotaccent = \d + +% Other special characters: @questiondown @exclamdown @ordf @ordm +% Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss. +\def\questiondown{?`} +\def\exclamdown{!`} +\def\ordf{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{a}}} +\def\ordm{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{o}}} + +% Dotless i and dotless j, used for accents. +\def\imacro{i} +\def\jmacro{j} +\def\dotless#1{% + \def\temp{#1}% + \ifx\temp\imacro \ifmmode\imath \else\ptexi \fi + \else\ifx\temp\jmacro \ifmmode\jmath \else\j \fi + \else \errmessage{@dotless can be used only with i or j}% + \fi\fi +} + +% The \TeX{} logo, as in plain, but resetting the spacing so that a +% period following counts as ending a sentence. (Idea found in latex.) +% +\edef\TeX{\TeX \spacefactor=1000 } + +% @LaTeX{} logo. Not quite the same results as the definition in +% latex.ltx, since we use a different font for the raised A; it's most +% convenient for us to use an explicitly smaller font, rather than using +% the \scriptstyle font (since we don't reset \scriptstyle and +% \scriptscriptstyle). +% +\def\LaTeX{% + L\kern-.36em + {\setbox0=\hbox{T}% + \vbox to \ht0{\hbox{% + \ifx\textnominalsize\xwordpt + % for 10pt running text, \lllsize (8pt) is too small for the A in LaTeX. + % Revert to plain's \scriptsize, which is 7pt. + \count255=\the\fam $\fam\count255 \scriptstyle A$% + \else + % For 11pt, we can use our lllsize. + \selectfonts\lllsize A% + \fi + }% + \vss + }}% + \kern-.15em + \TeX +} + +% Some math mode symbols. +\def\bullet{$\ptexbullet$} +\def\geq{\ifmmode \ge\else $\ge$\fi} +\def\leq{\ifmmode \le\else $\le$\fi} +\def\minus{\ifmmode -\else $-$\fi} + +% @dots{} outputs an ellipsis using the current font. +% We do .5em per period so that it has the same spacing in the cm +% typewriter fonts as three actual period characters; on the other hand, +% in other typewriter fonts three periods are wider than 1.5em. So do +% whichever is larger. % -\def\uref#1{\douref #1,,,\finish} -\def\douref#1,#2,#3,#4\finish{\begingroup - \unsepspaces - \pdfurl{#1}% - \setbox0 = \hbox{\ignorespaces #3}% - \ifdim\wd0 > 0pt - \unhbox0 % third arg given, show only that +\def\dots{% + \leavevmode + \setbox0=\hbox{...}% get width of three periods + \ifdim\wd0 > 1.5em + \dimen0 = \wd0 \else - \setbox0 = \hbox{\ignorespaces #2}% - \ifdim\wd0 > 0pt - \ifpdf - \unhbox0 % PDF: 2nd arg given, show only it - \else - \unhbox0\ (\code{#1})% DVI: 2nd arg given, show both it and url - \fi - \else - \code{#1}% only url given, so show it - \fi + \dimen0 = 1.5em \fi - \endlink -\endgroup} + \hbox to \dimen0{% + \hskip 0pt plus.25fil + .\hskip 0pt plus1fil + .\hskip 0pt plus1fil + .\hskip 0pt plus.5fil + }% +} -% rms does not like angle brackets --karl, 17may97. -% So now @email is just like @uref, unless we are pdf. +% @enddots{} is an end-of-sentence ellipsis. % -%\def\email#1{\angleleft{\tt #1}\angleright} -\ifpdf - \def\email#1{\doemail#1,,\finish} - \def\doemail#1,#2,#3\finish{\begingroup - \unsepspaces - \pdfurl{mailto:#1}% - \setbox0 = \hbox{\ignorespaces #2}% - \ifdim\wd0>0pt\unhbox0\else\code{#1}\fi - \endlink - \endgroup} -\else - \let\email=\uref -\fi +\def\enddots{% + \dots + \spacefactor=\endofsentencespacefactor +} -% 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. +% @point{}, @result{}, @expansion{}, @print{}, @equiv{}. % -\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. +% Since these characters are used in examples, they should be an even number of +% \tt widths. Each \tt character is 1en, so two makes it 1em. % -\def\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 +\def\point{$\star$} +\def\arrow{\leavevmode\raise.05ex\hbox to 1em{\hfil$\rightarrow$\hfil}} +\def\result{\leavevmode\raise.05ex\hbox to 1em{\hfil$\Rightarrow$\hfil}} +\def\expansion{\leavevmode\hbox to 1em{\hfil$\mapsto$\hfil}} +\def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}} +\def\equiv{\leavevmode\hbox to 1em{\hfil$\ptexequiv$\hfil}} -% @acronym downcases the argument and prints in smallcaps. -% It would be nicer to go one point size down. -\def\acronym#1{{\smallcaps \lowercase{#1}}} +% The @error{} command. +% Adapted from the TeXbook's \boxit. +% +\newbox\errorbox +% +{\tentt \global\dimen0 = 3em}% Width of the box. +\dimen2 = .55pt % Thickness of rules +% The text. (`r' is open on the right, `e' somewhat less so on the left.) +\setbox0 = \hbox{\kern-.75pt \reducedsf \putworderror\kern-1.5pt} +% +\setbox\errorbox=\hbox to \dimen0{\hfil + \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right. + \advance\hsize by -2\dimen2 % Rules. + \vbox{% + \hrule height\dimen2 + \hbox{\vrule width\dimen2 \kern3pt % Space to left of text. + \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below. + \kern3pt\vrule width\dimen2}% Space to right. + \hrule height\dimen2} + \hfil} +% +\def\error{\leavevmode\lower.7ex\copy\errorbox} -% @pounds{} is a sterling sign. +% @pounds{} is a sterling sign, which Knuth put in the CM italic font. +% \def\pounds{{\it\$}} -% @registeredsymbol - R in a circle. For now, only works in text size; -% we'd have to redo the font mechanism to change the \scriptstyle and -% \scriptscriptstyle font sizes to make it look right in headings. +% @euro{} comes from a separate font, depending on the current style. +% We use the free feym* fonts from the eurosym package by Henrik +% Theiling, which support regular, slanted, bold and bold slanted (and +% "outlined" (blackboard board, sort of) versions, which we don't need). +% It is available from http://www.ctan.org/tex-archive/fonts/eurosym. +% +% Although only regular is the truly official Euro symbol, we ignore +% that. The Euro is designed to be slightly taller than the regular +% font height. +% +% feymr - regular +% feymo - slanted +% feybr - bold +% feybo - bold slanted +% +% There is no good (free) typewriter version, to my knowledge. +% A feymr10 euro is ~7.3pt wide, while a normal cmtt10 char is ~5.25pt wide. +% Hmm. +% +% Also doesn't work in math. Do we need to do math with euro symbols? +% Hope not. +% +% +\def\euro{{\eurofont e}} +\def\eurofont{% + % We set the font at each command, rather than predefining it in + % \textfonts and the other font-switching commands, so that + % installations which never need the symbol don't have to have the + % font installed. + % + % There is only one designed size (nominal 10pt), so we always scale + % that to the current nominal size. + % + % By the way, simply using "at 1em" works for cmr10 and the like, but + % does not work for cmbx10 and other extended/shrunken fonts. + % + \def\eurosize{\csname\curfontsize nominalsize\endcsname}% + % + \ifx\curfontstyle\bfstylename + % bold: + \font\thiseurofont = \ifusingit{feybo10}{feybr10} at \eurosize + \else + % regular: + \font\thiseurofont = \ifusingit{feymo10}{feymr10} at \eurosize + \fi + \thiseurofont +} + +% Glyphs from the EC fonts. We don't use \let for the aliases, because +% sometimes we redefine the original macro, and the alias should reflect +% the redefinition. +% +% Use LaTeX names for the Icelandic letters. +\def\DH{{\ecfont \char"D0}} % Eth +\def\dh{{\ecfont \char"F0}} % eth +\def\TH{{\ecfont \char"DE}} % Thorn +\def\th{{\ecfont \char"FE}} % thorn +% +\def\guillemetleft{{\ecfont \char"13}} +\def\guillemotleft{\guillemetleft} +\def\guillemetright{{\ecfont \char"14}} +\def\guillemotright{\guillemetright} +\def\guilsinglleft{{\ecfont \char"0E}} +\def\guilsinglright{{\ecfont \char"0F}} +\def\quotedblbase{{\ecfont \char"12}} +\def\quotesinglbase{{\ecfont \char"0D}} +% +% This positioning is not perfect (see the ogonek LaTeX package), but +% we have the precomposed glyphs for the most common cases. We put the +% tests to use those glyphs in the single \ogonek macro so we have fewer +% dummy definitions to worry about for index entries, etc. +% +% ogonek is also used with other letters in Lithuanian (IOU), but using +% the precomposed glyphs for those is not so easy since they aren't in +% the same EC font. +\def\ogonek#1{{% + \def\temp{#1}% + \ifx\temp\macrocharA\Aogonek + \else\ifx\temp\macrochara\aogonek + \else\ifx\temp\macrocharE\Eogonek + \else\ifx\temp\macrochare\eogonek + \else + \ecfont \setbox0=\hbox{#1}% + \ifdim\ht0=1ex\accent"0C #1% + \else\ooalign{\unhbox0\crcr\hidewidth\char"0C \hidewidth}% + \fi + \fi\fi\fi\fi + }% +} +\def\Aogonek{{\ecfont \char"81}}\def\macrocharA{A} +\def\aogonek{{\ecfont \char"A1}}\def\macrochara{a} +\def\Eogonek{{\ecfont \char"86}}\def\macrocharE{E} +\def\eogonek{{\ecfont \char"A6}}\def\macrochare{e} +% +% Use the ec* fonts (cm-super in outline format) for non-CM glyphs. +\def\ecfont{% + % We can't distinguish serif/sans and italic/slanted, but this + % is used for crude hacks anyway (like adding French and German + % quotes to documents typeset with CM, where we lose kerning), so + % hopefully nobody will notice/care. + \edef\ecsize{\csname\curfontsize ecsize\endcsname}% + \edef\nominalsize{\csname\curfontsize nominalsize\endcsname}% + \ifx\curfontstyle\bfstylename + % bold: + \font\thisecfont = ecb\ifusingit{i}{x}\ecsize \space at \nominalsize + \else + % regular: + \font\thisecfont = ec\ifusingit{ti}{rm}\ecsize \space at \nominalsize + \fi + \thisecfont +} + +% @registeredsymbol - R in a circle. The font for the R should really +% be smaller yet, but lllsize is the best we can do for now. % Adapted from the plain.tex definition of \copyright. % \def\registeredsymbol{% - $^{{\ooalign{\hfil\raise.07ex\hbox{$\scriptstyle\rm R$}\hfil\crcr\Orb}}% + $^{{\ooalign{\hfil\raise.07ex\hbox{\selectfonts\lllsize R}% + \hfil\crcr\Orb}}% }$% } +% @textdegree - the normal degrees sign. +% +\def\textdegree{$^\circ$} + +% Laurent Siebenmann reports \Orb undefined with: +% Textures 1.7.7 (preloaded format=plain 93.10.14) (68K) 16 APR 2004 02:38 +% so we'll define it if necessary. +% +\ifx\Orb\thisisundefined +\def\Orb{\mathhexbox20D} +\fi + +% Quotes. +\chardef\quotedblleft="5C +\chardef\quotedblright=`\" +\chardef\quoteleft=`\` +\chardef\quoteright=`\' + \message{page headings,} @@ -1836,86 +3202,102 @@ where each line of input produces a line of output.} \newif\ifsetshortcontentsaftertitlepage \let\setshortcontentsaftertitlepage = \setshortcontentsaftertitlepagetrue -\defparsearg\shorttitlepage{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}% - \endgroup\page\hbox{}\page} +\parseargdef\shorttitlepage{% + \begingroup \hbox{}\vskip 1.5in \chaprm \centerline{#1}% + \endgroup\page\hbox{}\page} -\def\titlepage{% - \begingroup \parindent=0pt \textfonts - % Leave some space at the very top of the page. - \vglue\titlepagetopglue - % No rule at page bottom unless we print one at the top with @title. - \finishedtitlepagetrue - % - % Most title ``pages'' are actually two pages long, with space - % at the top of the second. We don't want the ragged left on the second. - \let\oldpage = \page - \def\page{% - \iffinishedtitlepage\else - \finishtitlepage - \fi - \let\page = \oldpage - \page - \null - }% +\envdef\titlepage{% + % Open one extra group, as we want to close it in the middle of \Etitlepage. + \begingroup + \parindent=0pt \textfonts + % Leave some space at the very top of the page. + \vglue\titlepagetopglue + % No rule at page bottom unless we print one at the top with @title. + \finishedtitlepagetrue + % + % Most title ``pages'' are actually two pages long, with space + % at the top of the second. We don't want the ragged left on the second. + \let\oldpage = \page + \def\page{% + \iffinishedtitlepage\else + \finishtitlepage + \fi + \let\page = \oldpage + \page + \null + }% } \def\Etitlepage{% - \iffinishedtitlepage\else - \finishtitlepage - \fi - % It is important to do the page break before ending the group, - % because the headline and footline are only empty inside the group. - % If we use the new definition of \page, we always get a blank page - % after the title page, which we certainly don't want. - \oldpage - \endgroup - % - % Need this before the \...aftertitlepage checks so that if they are - % in effect the toc pages will come out with page numbers. - \HEADINGSon - % - % If they want short, they certainly want long too. - \ifsetshortcontentsaftertitlepage - \shortcontents - \contents - \global\let\shortcontents = \relax - \global\let\contents = \relax - \fi - % - \ifsetcontentsaftertitlepage - \contents - \global\let\contents = \relax - \global\let\shortcontents = \relax - \fi + \iffinishedtitlepage\else + \finishtitlepage + \fi + % It is important to do the page break before ending the group, + % because the headline and footline are only empty inside the group. + % If we use the new definition of \page, we always get a blank page + % after the title page, which we certainly don't want. + \oldpage + \endgroup + % + % Need this before the \...aftertitlepage checks so that if they are + % in effect the toc pages will come out with page numbers. + \HEADINGSon + % + % If they want short, they certainly want long too. + \ifsetshortcontentsaftertitlepage + \shortcontents + \contents + \global\let\shortcontents = \relax + \global\let\contents = \relax + \fi + % + \ifsetcontentsaftertitlepage + \contents + \global\let\contents = \relax + \global\let\shortcontents = \relax + \fi } \def\finishtitlepage{% - \vskip4pt \hrule height 2pt width \hsize - \vskip\titlepagebottomglue - \finishedtitlepagetrue + \vskip4pt \hrule height 2pt width \hsize + \vskip\titlepagebottomglue + \finishedtitlepagetrue } -%%% Macros to be used within @titlepage: +% Macros to be used within @titlepage: \let\subtitlerm=\tenrm \def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines} -\def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines - \let\tt=\authortt} - -\defparsearg\title{\leftline{\titlefonts\rm #1} - % print a rule at the page bottom also. - \finishedtitlepagefalse - \vskip4pt \hrule height 4pt width \hsize \vskip4pt} +\parseargdef\title{% + \checkenv\titlepage + \leftline{\titlefonts\rmisbold #1} + % print a rule at the page bottom also. + \finishedtitlepagefalse + \vskip4pt \hrule height 4pt width \hsize \vskip4pt +} -\defparsearg\subtitle{{\subtitlefont \rightline{#1}}} +\parseargdef\subtitle{% + \checkenv\titlepage + {\subtitlefont \rightline{#1}}% +} % @author should come last, but may come many times. -\defparsearg\author{\ifseenauthor\else\vskip 0pt plus 1filll\seenauthortrue\fi - {\authorfont \leftline{#1}}} +% It can also be used inside @quotation. +% +\parseargdef\author{% + \def\temp{\quotation}% + \ifx\thisenv\temp + \def\quotationauthor{#1}% printed in \Equotation. + \else + \checkenv\titlepage + \ifseenauthor\else \vskip 0pt plus 1filll \seenauthortrue \fi + {\secfonts\rmisbold \leftline{#1}}% + \fi +} -%%% Set up page headings and footings. +% Set up page headings and footings. \let\thispage=\folio @@ -1949,7 +3331,7 @@ where each line of input produces a line of output.} \def\oddheadingyyy #1\|#2\|#3\|#4\finish{% \global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} -\defparsearg\everyheading{\oddheadingxxx{#1}\evenheadingxxx{#1}}% +\parseargdef\everyheading{\oddheadingxxx{#1}\evenheadingxxx{#1}}% \def\evenfooting{\parsearg\evenfootingxxx} \def\evenfootingxxx #1{\evenfootingyyy #1\|\|\|\|\finish} @@ -1963,12 +3345,39 @@ where each line of input produces a line of output.} % % 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 + \global\advance\pageheight by -12pt + \global\advance\vsize by -12pt } -\defparsearg\everyfooting{\oddfootingxxx{#1}\evenfootingxxx{#1}} +\parseargdef\everyfooting{\oddfootingxxx{#1}\evenfootingxxx{#1}} + +% @evenheadingmarks top \thischapter <- chapter at the top of a page +% @evenheadingmarks bottom \thischapter <- chapter at the bottom of a page +% +% The same set of arguments for: +% +% @oddheadingmarks +% @evenfootingmarks +% @oddfootingmarks +% @everyheadingmarks +% @everyfootingmarks + +\def\evenheadingmarks{\headingmarks{even}{heading}} +\def\oddheadingmarks{\headingmarks{odd}{heading}} +\def\evenfootingmarks{\headingmarks{even}{footing}} +\def\oddfootingmarks{\headingmarks{odd}{footing}} +\def\everyheadingmarks#1 {\headingmarks{even}{heading}{#1} + \headingmarks{odd}{heading}{#1} } +\def\everyfootingmarks#1 {\headingmarks{even}{footing}{#1} + \headingmarks{odd}{footing}{#1} } +% #1 = even/odd, #2 = heading/footing, #3 = top/bottom. +\def\headingmarks#1#2#3 {% + \expandafter\let\expandafter\temp \csname get#3headingmarks\endcsname + \global\expandafter\let\csname get#1#2marks\endcsname \temp +} +\everyheadingmarks bottom +\everyfootingmarks bottom % @headings double turns headings on for double-sided printing. % @headings single turns headings on for single-sided printing. @@ -1982,10 +3391,14 @@ where each line of input produces a line of output.} \def\headings #1 {\csname HEADINGS#1\endcsname} -\def\HEADINGSoff{% -\global\evenheadline={\hfil} \global\evenfootline={\hfil} -\global\oddheadline={\hfil} \global\oddfootline={\hfil}} -\HEADINGSoff +\def\headingsoff{% non-global headings elimination + \evenheadline={\hfil}\evenfootline={\hfil}% + \oddheadline={\hfil}\oddfootline={\hfil}% +} + +\def\HEADINGSoff{{\globaldefs=1 \headingsoff}} % global setting +\HEADINGSoff % it's the default + % When we turn headings on, set the page number to 1. % For double-sided printing, put current file name in lower left corner, % chapter name on inside top of right hand pages, document @@ -2036,7 +3449,7 @@ where each line of input produces a line of output.} % This produces Day Month Year style of output. % Only define if not already defined, in case a txi-??.tex file has set % up a different format (e.g., txi-cs.tex does this). -\ifx\today\undefined +\ifx\today\thisisundefined \def\today{% \number\day\space \ifcase\month @@ -2097,7 +3510,7 @@ where each line of input produces a line of output.} \begingroup \advance\leftskip by-\tableindent \advance\hsize by\tableindent - \advance\rightskip by0pt plus1fil + \advance\rightskip by0pt plus1fil\relax \leavevmode\unhbox0\par \endgroup % @@ -2105,17 +3518,13 @@ where each line of input produces a line of output.} % \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.) However, if what follows is an environment - % such as @example, there will be no \parskip glue; then - % the negative vskip we just would cause the example and the item to - % crash together. So we use this bizarre value of 10001 as a signal - % to \aboveenvbreak to insert \parskip glue after all. - % (Possibly there are other commands that could be followed by - % @example which need the same treatment, but not section titles; or - % maybe section titles are the only special case and they should be - % penalty 10001...) + % Stop a page break at the \parskip glue coming up. However, if + % what follows is an environment such as @example, there will be no + % \parskip glue; then the negative vskip we just inserted would + % cause the example and the item to crash together. So we use this + % bizarre value of 10001 as a signal to \aboveenvbreak to insert + % \parskip glue after all. Section titles are handled this way also. + % \penalty 10001 \endgroup \itemxneedsnegativevskipfalse @@ -2139,20 +3548,28 @@ where each line of input produces a line of output.} \def\itemx{\errmessage{@itemx while not in a list environment}} % @table, @ftable, @vtable. -\def\table{% - \begingroup\inENV +\envdef\table{% \let\itemindex\gobble - \tablex + \tablecheck{table}% } -\def\ftable{% - \begingroup\inENV +\envdef\ftable{% \def\itemindex ##1{\doind {fn}{\code{##1}}}% - \tablex + \tablecheck{ftable}% } -\def\vtable{% - \begingroup\inENV +\envdef\vtable{% \def\itemindex ##1{\doind {vr}{\code{##1}}}% - \tablex + \tablecheck{vtable}% +} +\def\tablecheck#1{% + \ifnum \the\catcode`\^^M=\active + \endgroup + \errmessage{This command won't work in this context; perhaps the problem is + that we are \inenvironment\thisenv}% + \def\next{\doignore{#1}}% + \else + \let\next\tablex + \fi + \next } \def\tablex#1{% \def\itemindicate{#1}% @@ -2180,20 +3597,19 @@ where each line of input produces a line of output.} \let\item = \internalBitem \let\itemx = \internalBitemx } -\def\Etable{\endgraf\afterenvbreak\endgroup} +\def\Etable{\endgraf\afterenvbreak} \let\Eftable\Etable \let\Evtable\Etable +\let\Eitemize\Etable +\let\Eenumerate\Etable % This is the counter used by @enumerate, which is really @itemize \newcount \itemno -\defparsearg\itemize{% - \begingroup % ended by the @end itemize - \itemizey {#1}{\Eitemize} -} +\envdef\itemize{\parsearg\doitemize} -\def\itemizey#1#2{% +\def\doitemize#1{% \aboveenvbreak \itemmax=\itemindent \advance\itemmax by -\itemmargin @@ -2202,13 +3618,43 @@ where each line of input produces a line of output.} \parindent=0pt \parskip=\smallskipamount \ifdim\parskip=0pt \parskip=2pt \fi - \def#2{\endgraf\afterenvbreak\endgroup}% + % + % Try typesetting the item mark that if the document erroneously says + % something like @itemize @samp (intending @table), there's an error + % right away at the @itemize. It's not the best error message in the + % world, but it's better than leaving it to the @item. This means if + % the user wants an empty mark, they have to say @w{} not just @w. \def\itemcontents{#1}% + \setbox0 = \hbox{\itemcontents}% + % % @itemize with no arg is equivalent to @itemize @bullet. \ifx\itemcontents\empty\def\itemcontents{\bullet}\fi + % \let\item=\itemizeitem } +% Definition of @item while inside @itemize and @enumerate. +% +\def\itemizeitem{% + \advance\itemno by 1 % for enumerations + {\let\par=\endgraf \smallbreak}% reasonable place to break + {% + % If the document has an @itemize directly after a section title, a + % \nobreak will be last on the list, and \sectionheading will have + % done a \vskip-\parskip. In that case, we don't want to zero + % parskip, or the item text will crash with the heading. On the + % other hand, when there is normal text preceding the item (as there + % usually is), we do want to zero parskip, or there would be too much + % space. In that case, we won't have a \nobreak before. At least + % that's the theory. + \ifnum\lastpenalty<10000 \parskip=0in \fi + \noindent + \hbox to 0pt{\hss \itemcontents \kern\itemmargin}% + % + \vadjust{\penalty 1200}}% not good to break after first line of item. + \flushcr +} + % \splitoff TOKENS\endmark defines \first to be the first token in % TOKENS, and \rest to be the remainder. % @@ -2218,10 +3664,8 @@ where each line of input produces a line of output.} % or number, to specify the first label in the enumerated list. No % argument is the same as `1'. % -\defparsearg\enumerate{\enumeratey #1 \endenumeratey} +\envparseargdef\enumerate{\enumeratey #1 \endenumeratey} \def\enumeratey #1 #2\endenumeratey{% - \begingroup % ended by the @end enumerate - % % If we were given no argument, pretend we were given `1'. \def\thearg{#1}% \ifx\thearg\empty \def\thearg{1}\fi @@ -2292,13 +3736,13 @@ where each line of input produces a line of output.} }% } -% Call itemizey, adding a period to the first argument and supplying the +% Call \doitemize, adding a period to the first argument and supplying the % common last two arguments. Also subtract one from the initial value in % \itemno, since @item increments \itemno. % \def\startenumeration#1{% \advance\itemno by -1 - \itemizey{#1.}\Eenumerate\flushcr + \doitemize{#1.}\flushcr } % @alphaenumerate and @capsenumerate are abbreviations for giving an arg @@ -2309,16 +3753,6 @@ where each line of input produces a line of output.} \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 @@ -2396,13 +3830,12 @@ where each line of input produces a line of output.} \def\xcolumnfractions{\columnfractions} \newif\ifsetpercent -% #1 is the part of the @columnfraction before the decimal point, which -% is presumably either 0 or the empty string (but we don't check, we -% just throw it away). #2 is the decimal part, which we use as the -% percent of \hsize for this column. -\def\pickupwholefraction#1.#2 {% +% #1 is the @columnfraction, usually a decimal number like .5, but might +% be just 1. We just use it, whatever it is. +% +\def\pickupwholefraction#1 {% \global\advance\colcount by 1 - \expandafter\xdef\csname col\the\colcount\endcsname{.#2\hsize}% + \expandafter\xdef\csname col\the\colcount\endcsname{#1\hsize}% \setuptable } @@ -2436,30 +3869,38 @@ where each line of input produces a line of output.} } % multitable-only commands. -\def\headitem{\errmessage{@headitem outside of @multitable}} -\def\tab{\errmessage{@tab outside of @multitable}} +% +% @headitem starts a heading row, which we typeset in bold. +% Assignments have to be global since we are inside the implicit group +% of an alignment entry. \everycr resets \everytab so we don't have to +% undo it ourselves. +\def\headitemfont{\b}% for people to use in the template row; not changeable +\def\headitem{% + \checkenv\multitable + \crcr + \global\everytab={\bf}% can't use \headitemfont since the parsing differs + \the\everytab % for the first item +}% +% +% A \tab used to include \hskip1sp. But then the space in a template +% line is not enough. That is bad. So let's go back to just `&' until +% we again encounter the problem the 1sp was intended to solve. +% --karl, nathan@acm.org, 20apr99. +\def\tab{\checkenv\multitable &\the\everytab}% % @multitable ... @end multitable definitions: % \newtoks\everytab % insert after every tab. % -\defparsearg\multitable{\bgroup +\envdef\multitable{% \vskip\parskip \startsavinginserts % - % @headitem starts a heading row, which we typeset in bold. - % Assignments have to be global since we are inside the implicit group - % of an alignment entry. - \def\headitem{\crcrwithinserts \global\everytab={\bf}\the\everytab}% - % - % @item within a multitable starts a normal row, get rid of any bold. - \def\item{\crcrwithinserts \global\everytab={}}% - % - % A \tab used to include \hskip1sp. But then the space in a template - % line is not enough. That is bad. So let's go back to just & until - % we encounter the problem it was intended to solve again. --karl, - % nathan@acm.org, 20apr99. - \def\tab{&\the\everytab}% + % @item within a multitable starts a normal row. + % We use \def instead of \let so that if one of the multitable entries + % contains an @itemize, we don't choke on the \item (seen as \crcr aka + % \endtemplate) expanding \doitemize. + \def\item{\crcr}% % \tolerance=9500 \hbadness=9500 @@ -2469,138 +3910,129 @@ where each line of input produces a line of output.} \overfullrule=0pt \global\colcount=0 % - \def\Emultitable{% - \global\setpercentfalse - \crcrwithinserts - \egroup\egroup + \everycr = {% + \noalign{% + \global\everytab={}% + \global\colcount=0 % Reset the column counter. + % Check for saved footnotes, etc. + \checkinserts + % Keeps underfull box messages off when table breaks over pages. + %\filbreak + % Maybe so, but it also creates really weird page breaks when the + % table breaks over pages. Wouldn't \vfil be better? Wait until the + % problem manifests itself, so it can be fixed for real --karl. + }% }% % + \parsearg\domultitable +} +\def\domultitable#1{% % To parse everything between @multitable and @item: \setuptable#1 \endsetuptable % - % \everycr will reset column counter, \colcount, at the end of - % each line. Every column entry will cause \colcount to advance by one. - % The table preamble - % looks at the current \colcount to find the correct column width. - \everycr{\noalign{% - % - % \filbreak%% keeps underfull box messages off when table breaks over pages. - % Maybe so, but it also creates really weird page breaks when the table - % breaks over pages. Wouldn't \vfil be better? Wait until the problem - % manifests itself, so it can be fixed for real --karl. - \global\colcount=0\relax}}% - % % This preamble sets up a generic column definition, which will % be used as many times as user calls for columns. % \vtop will set a single line and will also let text wrap and % continue for many paragraphs if desired. - \halign\bgroup&\global\advance\colcount by 1\relax - \multistrut\vtop{\hsize=\expandafter\csname col\the\colcount\endcsname - % - % In order to keep entries from bumping into each other - % we will add a \leftskip of \multitablecolspace to all columns after - % the first one. - % - % If a template has been used, we will add \multitablecolspace - % to the width of each template entry. - % - % If the user has set preamble in terms of percent of \hsize we will - % use that dimension as the width of the column, and the \leftskip - % will keep entries from bumping into each other. Table will start at - % left margin and final column will justify at right margin. - % - % Make sure we don't inherit \rightskip from the outer environment. - \rightskip=0pt - \ifnum\colcount=1 - % The first column will be indented with the surrounding text. - \advance\hsize by\leftskip - \else - \ifsetpercent \else - % If user has not set preamble in terms of percent of \hsize - % we will advance \hsize by \multitablecolspace. - \advance\hsize by \multitablecolspace - \fi - % In either case we will make \leftskip=\multitablecolspace: - \leftskip=\multitablecolspace - \fi - % Ignoring space at the beginning and end avoids an occasional spurious - % blank line, when TeX decides to break the line at the space before the - % box from the multistrut, so the strut ends up on a line by itself. - % For example: - % @multitable @columnfractions .11 .89 - % @item @code{#} - % @tab Legal holiday which is valid in major parts of the whole country. - % Is automatically provided with highlighting sequences respectively marking - % characters. - \noindent\ignorespaces##\unskip\multistrut}\cr -} -\def\crcrwithinserts{\crcr\noalign{\checkinserts}} - -\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. + \halign\bgroup &% + \global\advance\colcount by 1 + \multistrut + \vtop{% + % Use the current \colcount to find the correct column width: + \hsize=\expandafter\csname col\the\colcount\endcsname + % + % In order to keep entries from bumping into each other + % we will add a \leftskip of \multitablecolspace to all columns after + % the first one. + % + % If a template has been used, we will add \multitablecolspace + % to the width of each template entry. + % + % If the user has set preamble in terms of percent of \hsize we will + % use that dimension as the width of the column, and the \leftskip + % will keep entries from bumping into each other. Table will start at + % left margin and final column will justify at right margin. + % + % Make sure we don't inherit \rightskip from the outer environment. + \rightskip=0pt + \ifnum\colcount=1 + % The first column will be indented with the surrounding text. + \advance\hsize by\leftskip + \else + \ifsetpercent \else + % If user has not set preamble in terms of percent of \hsize + % we will advance \hsize by \multitablecolspace. + \advance\hsize by \multitablecolspace + \fi + % In either case we will make \leftskip=\multitablecolspace: + \leftskip=\multitablecolspace + \fi + % Ignoring space at the beginning and end avoids an occasional spurious + % blank line, when TeX decides to break the line at the space before the + % box from the multistrut, so the strut ends up on a line by itself. + % For example: + % @multitable @columnfractions .11 .89 + % @item @code{#} + % @tab Legal holiday which is valid in major parts of the whole country. + % Is automatically provided with highlighting sequences respectively + % marking characters. + \noindent\ignorespaces##\unskip\multistrut + }\cr +} +\def\Emultitable{% + \crcr + \egroup % end the \halign + \global\setpercentfalse +} + +\def\setmultitablespacing{% + \def\multistrut{\strut}% just use the standard line spacing + % + % Compute \multitablelinespace (if not defined by user) for use in + % \multitableparskip calculation. We used define \multistrut based on + % this, but (ironically) that caused the spacing to be off. + % See bug-texinfo report from Werner Lemberg, 31 Oct 2004 12:52:20 +0100. \ifdim\multitablelinespace=0pt \setbox0=\vbox{X}\global\multitablelinespace=\the\baselineskip \global\advance\multitablelinespace by-\ht0 -%% strut to put in table in case some entry doesn't have descenders, -%% to keep lines equally spaced -\let\multistrut = \strut -\else -%% FIXME: what is \box0 supposed to be? -\gdef\multistrut{\vrule height\multitablelinespace depth\dp0 -width0pt\relax} \fi -%% Test to see if parskip is larger than space between lines of -%% table. If not, do nothing. -%% If so, set to same dimension as multitablelinespace. +\fi +% Test to see if parskip is larger than space between lines of +% table. If not, do nothing. +% If so, set to same dimension as multitablelinespace. \ifdim\multitableparskip>\multitablelinespace \global\multitableparskip=\multitablelinespace -\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller - %% than skip between lines in the table. +\global\advance\multitableparskip-7pt % to keep parskip somewhat smaller + % than skip between lines in the table. \fi% \ifdim\multitableparskip=0pt \global\multitableparskip=\multitablelinespace -\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller - %% than skip between lines in the table. +\global\advance\multitableparskip-7pt % to keep parskip somewhat smaller + % than skip between lines in the table. \fi} \message{conditionals,} -% Prevent errors for section commands. -% Used in @ignore and in failing conditionals. -\def\ignoresections{% - \let\appendix=\relax - \let\appendixsec=\relax - \let\appendixsection=\relax - \let\appendixsubsec=\relax - \let\appendixsubsection=\relax - \let\appendixsubsubsec=\relax - \let\appendixsubsubsection=\relax - %\let\begin=\relax - %\let\bye=\relax - \let\centerchap=\relax - \let\chapter=\relax - \let\contents=\relax - \let\section=\relax - \let\smallbook=\relax - \let\subsec=\relax - \let\subsection=\relax - \let\subsubsec=\relax - \let\subsubsection=\relax - \let\titlepage=\relax - \let\top=\relax - \let\unnumbered=\relax - \let\unnumberedsec=\relax - \let\unnumberedsection=\relax - \let\unnumberedsubsec=\relax - \let\unnumberedsubsection=\relax - \let\unnumberedsubsubsec=\relax - \let\unnumberedsubsubsection=\relax + +% @iftex, @ifnotdocbook, @ifnothtml, @ifnotinfo, @ifnotplaintext, +% @ifnotxml always succeed. They currently do nothing; we don't +% attempt to check whether the conditionals are properly nested. But we +% have to remember that they are conditionals, so that @end doesn't +% attempt to close an environment group. +% +\def\makecond#1{% + \expandafter\let\csname #1\endcsname = \relax + \expandafter\let\csname iscond.#1\endcsname = 1 } +\makecond{iftex} +\makecond{ifnotdocbook} +\makecond{ifnothtml} +\makecond{ifnotinfo} +\makecond{ifnotplaintext} +\makecond{ifnotxml} % Ignore @ignore, @ifhtml, @ifinfo, and the like. % \def\direntry{\doignore{direntry}} -\def\documentdescriptionword{documentdescription} \def\documentdescription{\doignore{documentdescription}} \def\docbook{\doignore{docbook}} \def\html{\doignore{html}} @@ -2614,10 +4046,6 @@ width0pt\relax} \fi \def\menu{\doignore{menu}} \def\xml{\doignore{xml}} -% @dircategory CATEGORY -- specify a category of the dir file -% which this file should belong to. Ignore this in TeX. -\let\dircategory = \comment - % Ignore text until a line `@end #1', keeping track of nested conditionals. % % A count to remember the depth of nesting. @@ -2625,36 +4053,37 @@ width0pt\relax} \fi \def\doignore#1{\begingroup % Scan in ``verbatim'' mode: + \obeylines \catcode`\@ = \other \catcode`\{ = \other \catcode`\} = \other % % Make sure that spaces turn into tokens that match what \doignoretext wants. - \catcode\spaceChar = 10 + \spaceisspace % % Count number of #1's that we've seen. \doignorecount = 0 % % Swallow text until we reach the matching `@end #1'. - \dodoignore {#1}% + \dodoignore{#1}% } { \catcode`_=11 % We want to use \_STOP_ which cannot appear in texinfo source. \obeylines % % \gdef\dodoignore#1{% - % #1 contains the string `ifinfo'. + % #1 contains the command name as a string, e.g., `ifinfo'. + % + % Define a command to find the next `@end #1'. + \long\def\doignoretext##1^^M@end #1{% + \doignoretextyyy##1^^M@#1\_STOP_}% % - % Define a command to find the next `@end #1', which must be on a line - % by itself. - \long\def\doignoretext##1^^M@end #1{\doignoretextyyy##1^^M@#1\_STOP_}% % And this command to find another #1 command, at the beginning of a % line. (Otherwise, we would consider a line `@c @ifset', for % example, to count as an @ifset for nesting.) \long\def\doignoretextyyy##1^^M@#1##2\_STOP_{\doignoreyyy{##2}\_STOP_}% % % And now expand that command. - \obeylines % \doignoretext ^^M% }% } @@ -2672,7 +4101,7 @@ width0pt\relax} \fi } % We have to swallow the remaining "\_STOP_". -% +% \def\doignoretextzzz#1{% \ifnum\doignorecount = 0 % We have just found the outermost @end. \let\next\enddoignore @@ -2684,7 +4113,12 @@ width0pt\relax} \fi } % Finish off ignored text. -\def\enddoignore{\endgroup\ignorespaces} +{ \obeylines% + % Ignore anything after the last `@end #1'; this matters in verbatim + % environments, where otherwise the newline after an ignored conditional + % would result in a blank line in the output. + \gdef\enddoignore#1^^M{\endgroup\ignorespaces}% +} % @set VAR sets the variable VAR to an empty value. @@ -2696,23 +4130,30 @@ width0pt\relax} \fi % didn't need it. % We rely on the fact that \parsearg sets \catcode`\ =10. % -\def\set{\parseargusing{\catcode`\-=\other \catcode`\_=\other}\setxxx} -\def\setxxx#1{\setyyy#1 \endsetyyy} +\parseargdef\set{\setyyy#1 \endsetyyy} \def\setyyy#1 #2\endsetyyy{% - \def\temp{#2}% - \edef\next{\gdef\makecsname{SET#1}}% - \ifx\temp\empty - \next{}% - \else - \setzzz#2\endsetzzz - \fi + {% + \makevalueexpandable + \def\temp{#2}% + \edef\next{\gdef\makecsname{SET#1}}% + \ifx\temp\empty + \next{}% + \else + \setzzz#2\endsetzzz + \fi + }% } % Remove the trailing space \setxxx inserted. \def\setzzz#1 \endsetzzz{\next{#1}} % @clear VAR clears (i.e., unsets) the variable VAR. % -\defparsearg\clear{\global\expandafter\let\csname SET#1\endcsname=\relax} +\parseargdef\clear{% + {% + \makevalueexpandable + \global\expandafter\let\csname SET#1\endcsname=\relax + }% +} % @value{foo} gets the text saved in variable foo. \def\value{\begingroup\makevalueexpandable\valuexxx} @@ -2751,53 +4192,65 @@ width0pt\relax} \fi % @ifset VAR ... @end ifset reads the `...' iff VAR has been defined % with @set. % -\defparsearg\ifset{% - \expandafter\ifx\csname SET#1\endcsname\relax - \let\next=\ifsetfail - \else - \let\next=\ifsetsucceed - \fi - \next +% To get special treatment of `@end ifset,' call \makeond and the redefine. +% +\makecond{ifset} +\def\ifset{\parsearg{\doifset{\let\next=\ifsetfail}}} +\def\doifset#1#2{% + {% + \makevalueexpandable + \let\next=\empty + \expandafter\ifx\csname SET#2\endcsname\relax + #1% If not set, redefine \next. + \fi + \expandafter + }\next } -\def\ifsetsucceed{\conditionalsucceed{ifset}} \def\ifsetfail{\doignore{ifset}} -\defineunmatchedend{ifset} -% @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been +% @ifclear VAR ... @end executes the `...' iff VAR has never been % defined with @set, or has been undefined with @clear. % -\defparsearg\ifclear{% - \expandafter\ifx\csname SET#1\endcsname\relax - \let\next=\ifclearsucceed - \else - \let\next=\ifclearfail - \fi - \next -} -\def\ifclearsucceed{\conditionalsucceed{ifclear}} -\def\ifclearfail{\doignore{ifclear}} -\defineunmatchedend{ifclear} - -% @iftex, @ifnothtml, @ifnotinfo, @ifnotplaintext always succeed; we -% read the text following, through the first @end iftex (etc.). Make -% `@end iftex' (etc.) valid only after an @iftex. +% The `\else' inside the `\doifset' parameter is a trick to reuse the +% above code: if the variable is not set, do nothing, if it is set, +% then redefine \next to \ifclearfail. % -\def\iftex{\conditionalsucceed{iftex}} -\def\ifnothtml{\conditionalsucceed{ifnothtml}} -\def\ifnotinfo{\conditionalsucceed{ifnotinfo}} -\def\ifnotplaintext{\conditionalsucceed{ifnotplaintext}} -\defineunmatchedend{iftex} -\defineunmatchedend{ifnothtml} -\defineunmatchedend{ifnotinfo} -\defineunmatchedend{ifnotplaintext} +\makecond{ifclear} +\def\ifclear{\parsearg{\doifset{\else \let\next=\ifclearfail}}} +\def\ifclearfail{\doignore{ifclear}} -% True conditional. Since \set globally defines its variables, we can -% just start and end a group (to keep the @end definition undefined at -% the outer level). +% @ifcommandisdefined CMD ... @end executes the `...' if CMD (written +% without the @) is in fact defined. We can only feasibly check at the +% TeX level, so something like `mathcode' is going to considered +% defined even though it is not a Texinfo command. +% +\makecond{ifcommanddefined} +\def\ifcommanddefined{\parsearg{\doifcmddefined{\let\next=\ifcmddefinedfail}}} % -\def\conditionalsucceed#1{\begingroup - \expandafter\def\csname E#1\endcsname{\endgroup}% +\def\doifcmddefined#1#2{{% + \makevalueexpandable + \let\next=\empty + \expandafter\ifx\csname #2\endcsname\relax + #1% If not defined, \let\next as above. + \fi + \expandafter + }\next } +\def\ifcmddefinedfail{\doignore{ifcommanddefined}} + +% @ifcommandnotdefined CMD ... handlded similar to @ifclear above. +\makecond{ifcommandnotdefined} +\def\ifcommandnotdefined{% + \parsearg{\doifcmddefined{\else \let\next=\ifcmdnotdefinedfail}}} +\def\ifcmdnotdefinedfail{\doignore{ifcommandnotdefined}} + +% Set the `txicommandconditionals' variable, so documents have a way to +% test if the @ifcommand...defined conditionals are available. +\set txicommandconditionals + +% @dircategory CATEGORY -- specify a category of the dir file +% which this file should belong to. Ignore this in TeX. +\let\dircategory=\comment % @defininfoenclose. \let\definfoenclose=\comment @@ -2807,9 +4260,8 @@ width0pt\relax} \fi % 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}} +% except not \outer, so it can be used within macros and \if's. +\edef\newwrite{\makecsname{ptexnewwrite}} % \newindex {foo} defines an index named foo. % It automatically defines \fooindex such that @@ -2860,11 +4312,11 @@ width0pt\relax} \fi \def\dosynindex#1#2#3{% % Only do \closeout if we haven't already done it, else we'll end up % closing the target index. - \expandafter \ifx\csname donesynindex#2\endcsname \undefined + \expandafter \ifx\csname donesynindex#2\endcsname \relax % The \closeout helps reduce unnecessary open files; the limit on the % Acorn RISC OS is a mere 16 files. \expandafter\closeout\csname#2indfile\endcsname - \expandafter\let\csname\donesynindex#2\endcsname = 1 + \expandafter\let\csname donesynindex#2\endcsname = 1 \fi % redefine \fooindfile: \expandafter\let\expandafter\temp\expandafter=\csname#3indfile\endcsname @@ -2892,44 +4344,56 @@ width0pt\relax} \fi % Take care of Texinfo commands that can appear in an index entry. % Since there are some commands we want to expand, and others we don't, -% we have to laboriously prevent expansion for those that we don't. -% -\def\indexdummies{% - \def\@{@}% change to @@ when we switch to @ as escape char in index files. - \def\ {\realbackslash\space }% - % Need these in case \tex is in effect and \{ is a \delimiter again. - % But can't use \lbracecmd and \rbracecmd because texindex assumes - % braces and backslashes are used only as delimiters. - \let\{ = \mylbrace - \let\} = \myrbrace - % - % \definedummyword defines \#1 as \realbackslash #1\space, thus - % effectively preventing its expansion. This is used only for control - % words, not control letters, because the \space would be incorrect - % for control characters, but is needed to separate the control word - % from whatever follows. - % - % For control letters, we have \definedummyletter, which omits the - % space. - % - % These can be used both for control words that take an argument and - % those that do not. If it is followed by {arg} in the input, then - % that will dutifully get written to the index (or wherever). +% we have to laboriously prevent expansion for those that we don't. +% +\def\indexdummies{% + \escapechar = `\\ % use backslash in output files. + \def\@{@}% change to @@ when we switch to @ as escape char in index files. + \def\ {\realbackslash\space }% % - \def\definedummyword##1{% - \expandafter\def\csname ##1\endcsname{\realbackslash ##1\space}% - }% - \def\definedummyletter##1{% - \expandafter\def\csname ##1\endcsname{\realbackslash ##1}% - }% + % Need these unexpandable (because we define \tt as a dummy) + % definitions when @{ or @} appear in index entry text. Also, more + % complicated, when \tex is in effect and \{ is a \delimiter again. + % We can't use \lbracecmd and \rbracecmd because texindex assumes + % braces and backslashes are used only as delimiters. Perhaps we + % should define @lbrace and @rbrace commands a la @comma. + \def\{{{\tt\char123}}% + \def\}{{\tt\char125}}% + % + % I don't entirely understand this, but when an index entry is + % generated from a macro call, the \endinput which \scanmacro inserts + % causes processing to be prematurely terminated. This is, + % apparently, because \indexsorttmp is fully expanded, and \endinput + % is an expandable command. The redefinition below makes \endinput + % disappear altogether for that purpose -- although logging shows that + % processing continues to some further point. On the other hand, it + % seems \endinput does not hurt in the printed index arg, since that + % is still getting written without apparent harm. + % + % Sample source (mac-idx3.tex, reported by Graham Percival to + % help-texinfo, 22may06): + % @macro funindex {WORD} + % @findex xyz + % @end macro + % ... + % @funindex commtest + % + % The above is not enough to reproduce the bug, but it gives the flavor. + % + % Sample whatsit resulting: + % .@write3{\entry{xyz}{@folio }{@code {xyz@endinput }}} + % + % So: + \let\endinput = \empty % % Do the redefinitions. \commondummies } -% For the aux file, @ is the escape character. So we want to redefine -% everything using @ instead of \realbackslash. When everything uses -% @, this will be simpler. +% For the aux and toc files, @ is the escape character. So we want to +% redefine everything using @ as the escape character (instead of +% \realbackslash, still used for index files). When everything uses @, +% this will be simpler. % \def\atdummies{% \def\@{@@}% @@ -2937,203 +4401,296 @@ width0pt\relax} \fi \let\{ = \lbraceatcmd \let\} = \rbraceatcmd % - % (See comments in \indexdummies.) - \def\definedummyword##1{% - \expandafter\def\csname ##1\endcsname{@##1\space}% - }% - \def\definedummyletter##1{% - \expandafter\def\csname ##1\endcsname{@##1}% - }% - % % Do the redefinitions. \commondummies + \otherbackslash } -% Called from \indexdummies and \atdummies. \definedummyword and -% \definedummyletter must be defined first. +% Called from \indexdummies and \atdummies. % \def\commondummies{% % - \normalturnoffactive + % \definedummyword defines \#1 as \string\#1\space, thus effectively + % preventing its expansion. This is used only for control words, + % not control letters, because the \space would be incorrect for + % control characters, but is needed to separate the control word + % from whatever follows. % - % Control letters and accents. - \definedummyletter{_}% - \definedummyletter{,}% - \definedummyletter{"}% - \definedummyletter{`}% - \definedummyletter{'}% - \definedummyletter{^}% - \definedummyletter{~}% - \definedummyletter{=}% - \definedummyword{u}% - \definedummyword{v}% - \definedummyword{H}% - \definedummyword{dotaccent}% - \definedummyword{ringaccent}% - \definedummyword{tieaccent}% - \definedummyword{ubaraccent}% - \definedummyword{udotaccent}% - \definedummyword{dotless}% - % - % Other non-English letters. - \definedummyword{AA}% - \definedummyword{AE}% - \definedummyword{L}% - \definedummyword{OE}% - \definedummyword{O}% - \definedummyword{aa}% - \definedummyword{ae}% - \definedummyword{l}% - \definedummyword{oe}% - \definedummyword{o}% - \definedummyword{ss}% + % For control letters, we have \definedummyletter, which omits the + % space. % - % Although these internal commands shouldn't show up, sometimes they do. - \definedummyword{bf}% - \definedummyword{gtr}% - \definedummyword{hat}% - \definedummyword{less}% - \definedummyword{sf}% - \definedummyword{sl}% - \definedummyword{tclose}% - \definedummyword{tt}% + % These can be used both for control words that take an argument and + % those that do not. If it is followed by {arg} in the input, then + % that will dutifully get written to the index (or wherever). % - % Texinfo font commands. - \definedummyword{b}% - \definedummyword{i}% - \definedummyword{r}% - \definedummyword{sc}% - \definedummyword{t}% - % - \definedummyword{TeX}% - \definedummyword{acronym}% - \definedummyword{cite}% - \definedummyword{code}% - \definedummyword{command}% - \definedummyword{dfn}% - \definedummyword{dots}% - \definedummyword{emph}% - \definedummyword{env}% - \definedummyword{file}% - \definedummyword{kbd}% - \definedummyword{key}% - \definedummyword{math}% - \definedummyword{option}% - \definedummyword{samp}% - \definedummyword{strong}% - \definedummyword{uref}% - \definedummyword{url}% - \definedummyword{var}% - \definedummyword{verb}% - \definedummyword{w}% + \def\definedummyword ##1{\def##1{\string##1\space}}% + \def\definedummyletter##1{\def##1{\string##1}}% + \let\definedummyaccent\definedummyletter + % + \commondummiesnofonts + % + \definedummyletter\_% + \definedummyletter\-% + % + % Non-English letters. + \definedummyword\AA + \definedummyword\AE + \definedummyword\DH + \definedummyword\L + \definedummyword\O + \definedummyword\OE + \definedummyword\TH + \definedummyword\aa + \definedummyword\ae + \definedummyword\dh + \definedummyword\exclamdown + \definedummyword\l + \definedummyword\o + \definedummyword\oe + \definedummyword\ordf + \definedummyword\ordm + \definedummyword\questiondown + \definedummyword\ss + \definedummyword\th + % + % Although these internal commands shouldn't show up, sometimes they do. + \definedummyword\bf + \definedummyword\gtr + \definedummyword\hat + \definedummyword\less + \definedummyword\sf + \definedummyword\sl + \definedummyword\tclose + \definedummyword\tt + % + \definedummyword\LaTeX + \definedummyword\TeX % % Assorted special characters. - \definedummyword{bullet}% - \definedummyword{copyright}% - \definedummyword{registeredsymbol}% - \definedummyword{dots}% - \definedummyword{enddots}% - \definedummyword{equiv}% - \definedummyword{error}% - \definedummyword{expansion}% - \definedummyword{minus}% - \definedummyword{pounds}% - \definedummyword{point}% - \definedummyword{print}% - \definedummyword{result}% + \definedummyword\arrow + \definedummyword\bullet + \definedummyword\comma + \definedummyword\copyright + \definedummyword\registeredsymbol + \definedummyword\dots + \definedummyword\enddots + \definedummyword\entrybreak + \definedummyword\equiv + \definedummyword\error + \definedummyword\euro + \definedummyword\expansion + \definedummyword\geq + \definedummyword\guillemetleft + \definedummyword\guillemetright + \definedummyword\guilsinglleft + \definedummyword\guilsinglright + \definedummyword\lbracechar + \definedummyword\leq + \definedummyword\minus + \definedummyword\ogonek + \definedummyword\pounds + \definedummyword\point + \definedummyword\print + \definedummyword\quotedblbase + \definedummyword\quotedblleft + \definedummyword\quotedblright + \definedummyword\quoteleft + \definedummyword\quoteright + \definedummyword\quotesinglbase + \definedummyword\rbracechar + \definedummyword\result + \definedummyword\textdegree + % + % We want to disable all macros so that they are not expanded by \write. + \macrolist + % + \normalturnoffactive % % Handle some cases of @value -- where it does not contain any % (non-fully-expandable) commands. \makevalueexpandable - % - % Normal spaces, not active ones. - \unsepspaces - % - % No macro expansion. - \turnoffmacros } +% \commondummiesnofonts: common to \commondummies and \indexnofonts. +% +\def\commondummiesnofonts{% + % Control letters and accents. + \definedummyletter\!% + \definedummyaccent\"% + \definedummyaccent\'% + \definedummyletter\*% + \definedummyaccent\,% + \definedummyletter\.% + \definedummyletter\/% + \definedummyletter\:% + \definedummyaccent\=% + \definedummyletter\?% + \definedummyaccent\^% + \definedummyaccent\`% + \definedummyaccent\~% + \definedummyword\u + \definedummyword\v + \definedummyword\H + \definedummyword\dotaccent + \definedummyword\ogonek + \definedummyword\ringaccent + \definedummyword\tieaccent + \definedummyword\ubaraccent + \definedummyword\udotaccent + \definedummyword\dotless + % + % Texinfo font commands. + \definedummyword\b + \definedummyword\i + \definedummyword\r + \definedummyword\sansserif + \definedummyword\sc + \definedummyword\slanted + \definedummyword\t + % + % Commands that take arguments. + \definedummyword\abbr + \definedummyword\acronym + \definedummyword\anchor + \definedummyword\cite + \definedummyword\code + \definedummyword\command + \definedummyword\dfn + \definedummyword\dmn + \definedummyword\email + \definedummyword\emph + \definedummyword\env + \definedummyword\file + \definedummyword\image + \definedummyword\indicateurl + \definedummyword\inforef + \definedummyword\kbd + \definedummyword\key + \definedummyword\math + \definedummyword\option + \definedummyword\pxref + \definedummyword\ref + \definedummyword\samp + \definedummyword\strong + \definedummyword\tie + \definedummyword\uref + \definedummyword\url + \definedummyword\var + \definedummyword\verb + \definedummyword\w + \definedummyword\xref +} % \indexnofonts is used when outputting the strings to sort the index % by, and when constructing control sequence names. It eliminates all % control sequences and just writes whatever the best ASCII sort string % would be for a given command (usually its argument). % -\def\indexdummytex{TeX} -\def\indexdummydots{...} -% \def\indexnofonts{% + % Accent commands should become @asis. + \def\definedummyaccent##1{\let##1\asis}% + % We can just ignore other control letters. + \def\definedummyletter##1{\let##1\empty}% + % All control words become @asis by default; overrides below. + \let\definedummyword\definedummyaccent + % + \commondummiesnofonts + % + % Don't no-op \tt, since it isn't a user-level command + % and is used in the definitions of the active chars like <, >, |, etc. + % Likewise with the other plain tex font commands. + %\let\tt=\asis + % \def\ { }% \def\@{@}% - % how to handle braces? \def\_{\normalunderscore}% + \def\-{}% @- shouldn't affect sorting % - \let\,=\asis - \let\"=\asis - \let\`=\asis - \let\'=\asis - \let\^=\asis - \let\~=\asis - \let\==\asis - \let\u=\asis - \let\v=\asis - \let\H=\asis - \let\dotaccent=\asis - \let\ringaccent=\asis - \let\tieaccent=\asis - \let\ubaraccent=\asis - \let\udotaccent=\asis - \let\dotless=\asis - % - % Other non-English letters. + % Unfortunately, texindex is not prepared to handle braces in the + % content at all. So for index sorting, we map @{ and @} to strings + % starting with |, since that ASCII character is between ASCII { and }. + \def\{{|a}% + \def\lbracechar{|a}% + % + \def\}{|b}% + \def\rbracechar{|b}% + % + % Non-English letters. \def\AA{AA}% \def\AE{AE}% + \def\DH{DZZ}% \def\L{L}% \def\OE{OE}% \def\O{O}% + \def\TH{ZZZ}% \def\aa{aa}% \def\ae{ae}% + \def\dh{dzz}% + \def\exclamdown{!}% \def\l{l}% \def\oe{oe}% + \def\ordf{a}% + \def\ordm{o}% \def\o{o}% - \def\ss{ss}% - \def\exclamdown{!}% \def\questiondown{?}% + \def\ss{ss}% + \def\th{zzz}% % - % Don't no-op \tt, since it isn't a user-level command - % and is used in the definitions of the active chars like <, >, |, etc. - % Likewise with the other plain tex font commands. - %\let\tt=\asis + \def\LaTeX{LaTeX}% + \def\TeX{TeX}% % - % Texinfo font commands. - \let\b=\asis - \let\i=\asis - \let\r=\asis - \let\sc=\asis - \let\t=\asis - % - \let\TeX=\indexdummytex - \let\acronym=\asis - \let\cite=\asis - \let\code=\asis - \let\command=\asis - \let\dfn=\asis - \let\dots=\indexdummydots - \let\emph=\asis - \let\env=\asis - \let\file=\asis - \let\kbd=\asis - \let\key=\asis - \let\math=\asis - \let\option=\asis - \let\samp=\asis - \let\strong=\asis - \let\uref=\asis - \let\url=\asis - \let\var=\asis - \let\verb=\asis - \let\w=\asis -} + % Assorted special characters. + % (The following {} will end up in the sort string, but that's ok.) + \def\arrow{->}% + \def\bullet{bullet}% + \def\comma{,}% + \def\copyright{copyright}% + \def\dots{...}% + \def\enddots{...}% + \def\equiv{==}% + \def\error{error}% + \def\euro{euro}% + \def\expansion{==>}% + \def\geq{>=}% + \def\guillemetleft{<<}% + \def\guillemetright{>>}% + \def\guilsinglleft{<}% + \def\guilsinglright{>}% + \def\leq{<=}% + \def\minus{-}% + \def\point{.}% + \def\pounds{pounds}% + \def\print{-|}% + \def\quotedblbase{"}% + \def\quotedblleft{"}% + \def\quotedblright{"}% + \def\quoteleft{`}% + \def\quoteright{'}% + \def\quotesinglbase{,}% + \def\registeredsymbol{R}% + \def\result{=>}% + \def\textdegree{o}% + % + \expandafter\ifx\csname SETtxiindexlquoteignore\endcsname\relax + \else \indexlquoteignore \fi + % + % We need to get rid of all macros, leaving only the arguments (if present). + % Of course this is not nearly correct, but it is the best we can do for now. + % makeinfo does not expand macros in the argument to @deffn, which ends up + % writing an index entry, and texindex isn't prepared for an index sort entry + % that starts with \. + % + % Since macro invocations are followed by braces, we can just redefine them + % to take a single TeX argument. The case of a macro invocation that + % goes to end-of-line is not handled. + % + \macrolist +} + +% Undocumented (for FSFS 2nd ed.): @set txiindexlquoteignore makes us +% ignore left quotes in the sort term. +{\catcode`\`=\active + \gdef\indexlquoteignore{\let`=\empty}} \let\indexbackslash=0 %overridden during \printindex. \let\SETmarginindex=\relax % put index entries in margin (undocumented)? @@ -3160,11 +4717,7 @@ width0pt\relax} \fi % \edef\writeto{\csname#1indfile\endcsname}% % - \ifvmode - \dosubindsanitize - \else - \dosubindwrite - \fi + \safewhatsit\dosubindwrite }% \fi } @@ -3179,8 +4732,7 @@ width0pt\relax} \fi % % Remember, we are within a group. \indexdummies % Must do this here, since \bf, etc expand at this stage - \escapechar=`\\ - \def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now + \def\backslashcurfont{\indexbackslash}% \indexbackslash isn't defined now % so it will be output as is; and it will print as backslash. % % Process the index entry with all font commands turned off, to @@ -3202,13 +4754,13 @@ width0pt\relax} \fi \temp } -% Take care of unwanted page breaks: +% Take care of unwanted page breaks/skips around a whatsit: % % 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: +% \write or \pdfdest will make \lastskip zero. The result is that +% sequences like this: % @end defun % @tindex whatever % @defun ... @@ -3232,45 +4784,50 @@ width0pt\relax} \fi % \edef\zeroskipmacro{\expandafter\the\csname z@skip\endcsname} % +\newskip\whatsitskip +\newcount\whatsitpenalty +% % ..., ready, GO: % -\def\dosubindsanitize{% +\def\safewhatsit#1{\ifhmode + #1% + \else % \lastskip and \lastpenalty cannot both be nonzero simultaneously. - \skip0 = \lastskip + \whatsitskip = \lastskip \edef\lastskipmacro{\the\lastskip}% - \count255 = \lastpenalty + \whatsitpenalty = \lastpenalty % % If \lastskip is nonzero, that means the last item was a % skip. And since a skip is discardable, that means this - % -\skip0 glue we're inserting is preceded by a + % -\whatsitskip glue we're inserting is preceded by a % non-discardable item, therefore it is not a potential % breakpoint, therefore no \nobreak needed. \ifx\lastskipmacro\zeroskipmacro \else - \vskip-\skip0 + \vskip-\whatsitskip \fi % - \dosubindwrite + #1% % \ifx\lastskipmacro\zeroskipmacro - % if \lastskip was zero, perhaps the last item was a - % penalty, and perhaps it was >=10000, e.g., a \nobreak. - % In that case, we want to re-insert the penalty; since we - % just inserted a non-discardable item, any following glue - % (such as a \parskip) would be a breakpoint. For example: + % If \lastskip was zero, perhaps the last item was a penalty, and + % perhaps it was >=10000, e.g., a \nobreak. In that case, we want + % to re-insert the same penalty (values >10000 are used for various + % signals); since we just inserted a non-discardable item, any + % following glue (such as a \parskip) would be a breakpoint. For example: % @deffn deffn-whatever % @vindex index-whatever % Description. % would allow a break between the index-whatever whatsit % and the "Description." paragraph. - \ifnum\count255>9999 \nobreak \fi + \ifnum\whatsitpenalty>9999 \penalty\whatsitpenalty \fi \else % On the other hand, if we had a nonzero \lastskip, % this make-up glue would be preceded by a non-discardable item % (the whatsit from the \write), so we must insert a \nobreak. - \nobreak\vskip\skip0 + \nobreak\vskip\whatsitskip \fi -} +\fi} % The index entry written in the file actually looks like % \entry {sortstring}{page}{topic} @@ -3307,11 +4864,12 @@ width0pt\relax} \fi % @printindex causes a particular index (the ??s file) to get printed. % It does not print any chapter heading (usually an @unnumbered). % -\defparsearg\printindex{\begingroup +\parseargdef\printindex{\begingroup \dobreak \chapheadingskip{10000}% % \smallfonts \rm \tolerance = 9500 + \plainfrenchspacing \everypar = {}% don't want the \kern\-parindent from indentation suppression. % % See if the index file exists and is nonempty. @@ -3339,7 +4897,7 @@ width0pt\relax} \fi % Index files are almost Texinfo source, but we use \ as the escape % character. It would be better to use @, but that's too big a change % to make right now. - \def\indexbackslash{\rawbackslashxx}% + \def\indexbackslash{\backslashcurfont}% \catcode`\\ = 0 \escapechar = `\\ \begindoublecolumns @@ -3361,7 +4919,10 @@ width0pt\relax} \fi \removelastskip % % We like breaks before the index initials, so insert a bonus. - \penalty -300 + \nobreak + \vskip 0pt plus 3\baselineskip + \penalty 0 + \vskip 0pt plus -3\baselineskip % % Typeset the initial. Making this add up to a whole number of % baselineskips increases the chance of the dots lining up from column @@ -3371,22 +4932,20 @@ width0pt\relax} \fi % 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 + \vskip .33\baselineskip plus .1\baselineskip }} % \entry typesets a paragraph consisting of the text (#1), dot leaders, and % then page number (#2) flushed to the right margin. It is used for index % and table of contents entries. The paragraph is indented by \leftskip. % -% A straigtforward implementation would start like this: +% A straightforward implementation would start like this: % \def\entry#1#2{... -% But this frozes the catcodes in the argument, and can cause problems to -% @code, which set's active ``-''. This problem was fixed by a kludge--- -% ``-'' was active throughout whole index, but this isn't what we really -% want. +% But this freezes the catcodes in the argument, and can cause problems to +% @code, which sets - active. This problem was fixed by a kludge--- +% ``-'' was active throughout whole index, but this isn't really right. % The right solution is to prevent \entry from swallowing the whole text. % --kasal, 21nov03 \def\entry{% @@ -3423,10 +4982,17 @@ width0pt\relax} \fi % columns. \vskip 0pt plus1pt % + % When reading the text of entry, convert explicit line breaks + % from @* into spaces. The user might give these in long section + % titles, for instance. + \def\*{\unskip\space\ignorespaces}% + \def\entrybreak{\hfil\break}% + % % Swallow the left brace of the text (first parameter): \afterassignment\doentry \let\temp = } +\def\entrybreak{\unskip\space\ignorespaces}% \def\doentry{% \bgroup % Instead of the swallowed brace. \noindent @@ -3439,11 +5005,8 @@ width0pt\relax} \fi % 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{#1}% - \edef\tempc{\tempa}% - \edef\tempd{\tempb}% - \ifx\tempc\tempd + \setbox\boxA = \hbox{#1}% + \ifdim\wd\boxA = 0pt \ % \else % @@ -3457,7 +5020,8 @@ width0pt\relax} \fi % part of (the primitive) \par. Without it, a spurious underfull % \hbox ensues. \ifpdf - \pdfgettoks#1.\ \the\toksA + \pdfgettoks#1.% + \ \the\toksA \else \ #1% \fi @@ -3466,9 +5030,9 @@ width0pt\relax} \fi \endgroup } -% Like \dotfill except takes at least 1 em. +% Like plain.tex's \dotfill, except uses up at least 1 em. \def\indexdotfill{\cleaders - \hbox{$\mathsurround=0pt \mkern1.5mu ${\it .}$ \mkern1.5mu$}\hskip 1em plus 1fill} + \hbox{$\mathsurround=0pt \mkern1.5mu.\mkern1.5mu$}\hskip 1em plus 1fill} \def\primary #1{\line{#1\hfil}} @@ -3578,6 +5142,34 @@ width0pt\relax} \fi % % All done with double columns. \def\enddoublecolumns{% + % The following penalty ensures that the page builder is exercised + % _before_ we change the output routine. This is necessary in the + % following situation: + % + % The last section of the index consists only of a single entry. + % Before this section, \pagetotal is less than \pagegoal, so no + % break occurs before the last section starts. However, the last + % section, consisting of \initial and the single \entry, does not + % fit on the page and has to be broken off. Without the following + % penalty the page builder will not be exercised until \eject + % below, and by that time we'll already have changed the output + % routine to the \balancecolumns version, so the next-to-last + % double-column page will be processed with \balancecolumns, which + % is wrong: The two columns will go to the main vertical list, with + % the broken-off section in the recent contributions. As soon as + % the output routine finishes, TeX starts reconsidering the page + % break. The two columns and the broken-off section both fit on the + % page, because the two columns now take up only half of the page + % goal. When TeX sees \eject from below which follows the final + % section, it invokes the new output routine that we've set after + % \balancecolumns below; \onepageout will try to fit the two columns + % and the final section into the vbox of \pageheight (see + % \pagebody), causing an overfull box. + % + % Note that glue won't work here, because glue does not exercise the + % page builder, unlike penalties (see The TeXbook, pp. 280-281). + \penalty0 + % \output = {% % Split the last of the double-column material. Leave it on the % current page, no automatic page break. @@ -3633,7 +5225,22 @@ width0pt\relax} \fi \message{sectioning,} % Chapters, sections, etc. -% \unnumberedno is an oxymoron, of course. But we count the unnumbered +% Let's start with @part. +\outer\parseargdef\part{\partzzz{#1}} +\def\partzzz#1{% + \chapoddpage + \null + \vskip.3\vsize % move it down on the page a bit + \begingroup + \noindent \titlefonts\rmisbold #1\par % the text + \let\lastnode=\empty % no node to associate with + \writetocentry{part}{#1}{}% but put it in the toc + \headingsoff % no headline or footline on the part page + \chapoddpage + \endgroup +} + +% \unnumberedno is an oxymoron. But we count the unnumbered % sections so that we can refer to them unambiguously in the pdf % outlines by their "section number". We avoid collisions with chapter % numbers by starting them at 10000. (If a document ever has 10000 @@ -3651,7 +5258,7 @@ width0pt\relax} \fi % We do the following ugly conditional instead of the above simple % construct for the sake of pdftex, which needs the actual % letter in the expansion, not just typeset. -% +% \def\appendixletter{% \ifnum\appendixno=`A A% \else\ifnum\appendixno=`B B% @@ -3687,11 +5294,15 @@ width0pt\relax} \fi \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi} -% Each @chapter defines this as the name of the chapter. -% page headings and footings can use it. @section does likewise. -% However, they are not reliable, because we don't use marks. +% Each @chapter defines these (using marks) as the number+name, number +% and name of the chapter. Page headings and footings can use +% these. @section does likewise. \def\thischapter{} +\def\thischapternum{} +\def\thischaptername{} \def\thissection{} +\def\thissectionnum{} +\def\thissectionname{} \newcount\absseclevel % used to calculate proper heading level \newcount\secbase\secbase=0 % @raisesections/@lowersections modify this count @@ -3704,61 +5315,96 @@ width0pt\relax} \fi \def\lowersections{\global\advance\secbase by 1} \let\down=\lowersections % original BFox name -% Choose a numbered-heading macro -% #1 is heading level if unmodified by @raisesections or @lowersections -% #2 is text for heading -\def\numhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1 -\ifcase\absseclevel - \chapterzzz{#2}% - \or \seczzz{#2}% - \or \numberedsubseczzz{#2}% - \or \numberedsubsubseczzz{#2}% +% we only have subsub. +\chardef\maxseclevel = 3 +% +% A numbered section within an unnumbered changes to unnumbered too. +% To achieve this, remember the "biggest" unnum. sec. we are currently in: +\chardef\unnlevel = \maxseclevel +% +% Trace whether the current chapter is an appendix or not: +% \chapheadtype is "N" or "A", unnumbered chapters are ignored. +\def\chapheadtype{N} + +% Choose a heading macro +% #1 is heading type +% #2 is heading level +% #3 is text for heading +\def\genhead#1#2#3{% + % Compute the abs. sec. level: + \absseclevel=#2 + \advance\absseclevel by \secbase + % Make sure \absseclevel doesn't fall outside the range: + \ifnum \absseclevel < 0 + \absseclevel = 0 \else - \ifnum \absseclevel<0 \chapterzzz{#2}% - \else \numberedsubsubseczzz{#2}% + \ifnum \absseclevel > 3 + \absseclevel = 3 \fi \fi - \suppressfirstparagraphindent -} - -% like \numhead, but chooses appendix heading levels -\def\apphead#1#2{\absseclevel=\secbase\advance\absseclevel by #1 -\ifcase\absseclevel - \appendixzzz{#2}% - \or \appendixsectionzzz{#2}% - \or \appendixsubseczzz{#2}% - \or \appendixsubsubseczzz{#2}% + % The heading type: + \def\headtype{#1}% + \if \headtype U% + \ifnum \absseclevel < \unnlevel + \chardef\unnlevel = \absseclevel + \fi \else - \ifnum \absseclevel<0 \appendixzzz{#2}% - \else \appendixsubsubseczzz{#2}% + % Check for appendix sections: + \ifnum \absseclevel = 0 + \edef\chapheadtype{\headtype}% + \else + \if \headtype A\if \chapheadtype N% + \errmessage{@appendix... within a non-appendix chapter}% + \fi\fi + \fi + % Check for numbered within unnumbered: + \ifnum \absseclevel > \unnlevel + \def\headtype{U}% + \else + \chardef\unnlevel = 3 \fi \fi - \suppressfirstparagraphindent -} - -% like \numhead, but chooses numberless heading levels -\def\unnmhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1 - \ifcase\absseclevel - \unnumberedzzz{#2}% - \or \unnumberedseczzz{#2}% - \or \unnumberedsubseczzz{#2}% - \or \unnumberedsubsubseczzz{#2}% + % Now print the heading: + \if \headtype U% + \ifcase\absseclevel + \unnumberedzzz{#3}% + \or \unnumberedseczzz{#3}% + \or \unnumberedsubseczzz{#3}% + \or \unnumberedsubsubseczzz{#3}% + \fi \else - \ifnum \absseclevel<0 \unnumberedzzz{#2}% - \else \unnumberedsubsubseczzz{#2}% + \if \headtype A% + \ifcase\absseclevel + \appendixzzz{#3}% + \or \appendixsectionzzz{#3}% + \or \appendixsubseczzz{#3}% + \or \appendixsubsubseczzz{#3}% + \fi + \else + \ifcase\absseclevel + \chapterzzz{#3}% + \or \seczzz{#3}% + \or \numberedsubseczzz{#3}% + \or \numberedsubsubseczzz{#3}% + \fi \fi \fi \suppressfirstparagraphindent } +% an interface: +\def\numhead{\genhead N} +\def\apphead{\genhead A} +\def\unnmhead{\genhead U} + % @chapter, @appendix, @unnumbered. Increment top-level counter, reset % all lower-level sectioning counters to zero. -% +% % Also set \chaplevelprefix, which we prepend to @float sequence numbers % (e.g., figures), q.v. By default (before any chapter), that is empty. \let\chaplevelprefix = \empty -% -\outer\defparsearg\chapter{\numhead0{#1}} % normally numhead0 calls chapterzzz +% +\outer\parseargdef\chapter{\numhead0{#1}} % normally numhead0 calls chapterzzz \def\chapterzzz#1{% % section resetting is \global in case the chapter is in a group, such % as an @include file. @@ -3769,7 +5415,9 @@ width0pt\relax} \fi \gdef\chaplevelprefix{\the\chapno.}% \resetallfloatnos % - \message{\putwordChapter\space \the\chapno}% + % \putwordChapter can contain complex things in translations. + \toks0=\expandafter{\putwordChapter}% + \message{\the\toks0 \space \the\chapno}% % % Write the actual heading. \chapmacro{#1}{Ynumbered}{\the\chapno}% @@ -3780,15 +5428,17 @@ width0pt\relax} \fi \global\let\subsubsection = \numberedsubsubsec } -\outer\defparsearg\appendix{\apphead0{#1}} % normally apphead0 calls appendixzzz +\outer\parseargdef\appendix{\apphead0{#1}} % normally calls appendixzzz +% \def\appendixzzz#1{% \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 \global\advance\appendixno by 1 \gdef\chaplevelprefix{\appendixletter.}% \resetallfloatnos % - \def\appendixnum{\putwordAppendix\space \appendixletter}% - \message{\appendixnum}% + % \putwordAppendix can contain complex things in translations. + \toks0=\expandafter{\putwordAppendix}% + \message{\the\toks0 \space \appendixletter}% % \chapmacro{#1}{Yappendix}{\appendixletter}% % @@ -3797,15 +5447,13 @@ width0pt\relax} \fi \global\let\subsubsection = \appendixsubsubsec } -% @centerchap is like @unnumbered, but the heading is centered. -\outer\defparsearg\centerchap{{\unnumberedyyy{#1}}} - -\outer\defparsearg\unnumbered{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz +% normally unnmhead0 calls unnumberedzzz: +\outer\parseargdef\unnumbered{\unnmhead0{#1}} \def\unnumberedzzz#1{% \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 \global\advance\unnumberedno by 1 % - % Since an unnumbered as no number, no prefix for figures. + % Since an unnumbered has no number, no prefix for figures. \global\let\chaplevelprefix = \empty \resetallfloatnos % @@ -3830,44 +5478,61 @@ width0pt\relax} \fi \global\let\subsubsection = \unnumberedsubsubsec } +% @centerchap is like @unnumbered, but the heading is centered. +\outer\parseargdef\centerchap{% + % Well, we could do the following in a group, but that would break + % an assumption that \chapmacro is called at the outermost level. + % Thus we are safer this way: --kasal, 24feb04 + \let\centerparametersmaybe = \centerparameters + \unnmhead0{#1}% + \let\centerparametersmaybe = \relax +} + % @top is like @unnumbered. \let\top\unnumbered % Sections. -\outer\defparsearg\numberedsec{\numhead1{#1}} % normally calls seczzz +% +\outer\parseargdef\numberedsec{\numhead1{#1}} % normally calls seczzz \def\seczzz#1{% \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 \sectionheading{#1}{sec}{Ynumbered}{\the\chapno.\the\secno}% } -\outer\defparsearg\appendixsection{\apphead1{#1}} % normally calls appendixsectionzzz +% normally calls appendixsectionzzz: +\outer\parseargdef\appendixsection{\apphead1{#1}} \def\appendixsectionzzz#1{% \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 \sectionheading{#1}{sec}{Yappendix}{\appendixletter.\the\secno}% } \let\appendixsec\appendixsection -\outer\defparsearg\unnumberedsec{\unnmhead1{#1}} % normally calls unnumberedseczzz +% normally calls unnumberedseczzz: +\outer\parseargdef\unnumberedsec{\unnmhead1{#1}} \def\unnumberedseczzz#1{% \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 \sectionheading{#1}{sec}{Ynothing}{\the\unnumberedno.\the\secno}% } % Subsections. -\outer\defparsearg\numberedsubsec{\numhead2{#1}} % normally calls numberedsubseczzz +% +% normally calls numberedsubseczzz: +\outer\parseargdef\numberedsubsec{\numhead2{#1}} \def\numberedsubseczzz#1{% \global\subsubsecno=0 \global\advance\subsecno by 1 \sectionheading{#1}{subsec}{Ynumbered}{\the\chapno.\the\secno.\the\subsecno}% } -\outer\defparsearg\appendixsubsec{\apphead2{#1}} % normally calls appendixsubseczzz +% normally calls appendixsubseczzz: +\outer\parseargdef\appendixsubsec{\apphead2{#1}} \def\appendixsubseczzz#1{% \global\subsubsecno=0 \global\advance\subsecno by 1 \sectionheading{#1}{subsec}{Yappendix}% {\appendixletter.\the\secno.\the\subsecno}% } -\outer\defparsearg\unnumberedsubsec{\unnmhead2{#1}} %normally calls unnumberedsubseczzz +% normally calls unnumberedsubseczzz: +\outer\parseargdef\unnumberedsubsec{\unnmhead2{#1}} \def\unnumberedsubseczzz#1{% \global\subsubsecno=0 \global\advance\subsecno by 1 \sectionheading{#1}{subsec}{Ynothing}% @@ -3875,45 +5540,31 @@ width0pt\relax} \fi } % Subsubsections. -\outer\defparsearg\numberedsubsubsec{\numhead3{#1}} % normally numberedsubsubseczzz +% +% normally numberedsubsubseczzz: +\outer\parseargdef\numberedsubsubsec{\numhead3{#1}} \def\numberedsubsubseczzz#1{% \global\advance\subsubsecno by 1 \sectionheading{#1}{subsubsec}{Ynumbered}% {\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno}% } -\outer\defparsearg\appendixsubsubsec{\apphead3{#1}} % normally appendixsubsubseczzz +% normally appendixsubsubseczzz: +\outer\parseargdef\appendixsubsubsec{\apphead3{#1}} \def\appendixsubsubseczzz#1{% \global\advance\subsubsecno by 1 \sectionheading{#1}{subsubsec}{Yappendix}% {\appendixletter.\the\secno.\the\subsecno.\the\subsubsecno}% } -\outer\defparsearg\unnumberedsubsubsec{\unnmhead3{#1}} %normally unnumberedsubsubseczzz +% normally unnumberedsubsubseczzz: +\outer\parseargdef\unnumberedsubsubsec{\unnmhead3{#1}} \def\unnumberedsubsubseczzz#1{% \global\advance\subsubsecno by 1 \sectionheading{#1}{subsubsec}{Ynothing}% {\the\unnumberedno.\the\secno.\the\subsecno.\the\subsubsecno}% } -% These are variants which are not "outer", so they can appear in @ifinfo. -% Actually, they are now be obsolete; ordinary section commands should work. -\def\infotop{\parsearg\unnumberedzzz} -\def\infounnumbered{\parsearg\unnumberedzzz} -\def\infounnumberedsec{\parsearg\unnumberedseczzz} -\def\infounnumberedsubsec{\parsearg\unnumberedsubseczzz} -\def\infounnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz} - -\def\infoappendix{\parsearg\appendixzzz} -\def\infoappendixsec{\parsearg\appendixseczzz} -\def\infoappendixsubsec{\parsearg\appendixsubseczzz} -\def\infoappendixsubsubsec{\parsearg\appendixsubsubseczzz} - -\def\infochapter{\parsearg\chapterzzz} -\def\infosection{\parsearg\sectionzzz} -\def\infosubsection{\parsearg\subsectionzzz} -\def\infosubsubsection{\parsearg\subsubsectionzzz} - % These macros control what the section commands do, according % to what kind of chapter we are in (ordinary, appendix, or unnumbered). % Define them by default for a numbered chapter. @@ -3931,7 +5582,6 @@ width0pt\relax} \fi % 3) Likewise, headings look best if no \parindent is used, and % if justification is not attempted. Hence \raggedright. - \def\majorheading{% {\advance\chapheadingskip by 10pt \chapbreak }% \parsearg\chapheadingzzz @@ -3940,37 +5590,46 @@ width0pt\relax} \fi \def\chapheading{\chapbreak \parsearg\chapheadingzzz} \def\chapheadingzzz#1{% {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 - \parindent=0pt\raggedright - \rm #1\hfill}}% + \parindent=0pt\ptexraggedright + \rmisbold #1\hfill}}% \bigskip \par\penalty 200\relax \suppressfirstparagraphindent } % @heading, @subheading, @subsubheading. -\defparsearg\heading{\sectionheading{#1}{sec}{Yomitfromtoc}{} +\parseargdef\heading{\sectionheading{#1}{sec}{Yomitfromtoc}{} \suppressfirstparagraphindent} -\defparsearg\subheading{\sectionheading{#1}{subsec}{Yomitfromtoc}{} +\parseargdef\subheading{\sectionheading{#1}{subsec}{Yomitfromtoc}{} \suppressfirstparagraphindent} -\defparsearg\subsubheading{\sectionheading{#1}{subsubsec}{Yomitfromtoc}{} +\parseargdef\subsubheading{\sectionheading{#1}{subsubsec}{Yomitfromtoc}{} \suppressfirstparagraphindent} % These macros generate a chapter, section, etc. heading only % (including whitespace, linebreaking, etc. around it), % given all the information in convenient, parsed form. -%%% Args are the skip and penalty (usually negative) +% Args are the skip and penalty (usually negative) \def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi} -\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 +% Define plain chapter starts, and page on/off switching for it. \def\chapbreak{\dobreak \chapheadingskip {-4000}} \def\chappager{\par\vfill\supereject} -\def\chapoddpage{\chappager \ifodd\pageno \else \hbox to 0pt{} \chappager\fi} +% Because \domark is called before \chapoddpage, the filler page will +% get the headings for the next chapter, which is wrong. But we don't +% care -- we just disable all headings on the filler page. +\def\chapoddpage{% + \chappager + \ifodd\pageno \else + \begingroup + \headingsoff + \null + \chappager + \endgroup + \fi +} \def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname} @@ -3993,56 +5652,89 @@ width0pt\relax} \fi \CHAPPAGon -\def\CHAPFplain{% -\global\let\chapmacro=\chfplain -\global\let\centerchapmacro=\centerchfplain} - -% Normal chapter opening. -% +% Chapter opening. +% % #1 is the text, #2 is the section type (Ynumbered, Ynothing, % Yappendix, Yomitfromtoc), #3 the chapter number. -% +% % To test against our argument. \def\Ynothingkeyword{Ynothing} \def\Yomitfromtockeyword{Yomitfromtoc} \def\Yappendixkeyword{Yappendix} % -\def\chfplain#1#2#3{% +\def\chapmacro#1#2#3{% + % Insert the first mark before the heading break (see notes for \domark). + \let\prevchapterdefs=\lastchapterdefs + \let\prevsectiondefs=\lastsectiondefs + \gdef\lastsectiondefs{\gdef\thissectionname{}\gdef\thissectionnum{}% + \gdef\thissection{}}% + % + \def\temptype{#2}% + \ifx\temptype\Ynothingkeyword + \gdef\lastchapterdefs{\gdef\thischaptername{#1}\gdef\thischapternum{}% + \gdef\thischapter{\thischaptername}}% + \else\ifx\temptype\Yomitfromtockeyword + \gdef\lastchapterdefs{\gdef\thischaptername{#1}\gdef\thischapternum{}% + \gdef\thischapter{}}% + \else\ifx\temptype\Yappendixkeyword + \toks0={#1}% + \xdef\lastchapterdefs{% + \gdef\noexpand\thischaptername{\the\toks0}% + \gdef\noexpand\thischapternum{\appendixletter}% + % \noexpand\putwordAppendix avoids expanding indigestible + % commands in some of the translations. + \gdef\noexpand\thischapter{\noexpand\putwordAppendix{} + \noexpand\thischapternum: + \noexpand\thischaptername}% + }% + \else + \toks0={#1}% + \xdef\lastchapterdefs{% + \gdef\noexpand\thischaptername{\the\toks0}% + \gdef\noexpand\thischapternum{\the\chapno}% + % \noexpand\putwordChapter avoids expanding indigestible + % commands in some of the translations. + \gdef\noexpand\thischapter{\noexpand\putwordChapter{} + \noexpand\thischapternum: + \noexpand\thischaptername}% + }% + \fi\fi\fi + % + % Output the mark. Pass it through \safewhatsit, to take care of + % the preceding space. + \safewhatsit\domark + % + % Insert the chapter heading break. \pchapsepmacro + % + % Now the second mark, after the heading break. No break points + % between here and the heading. + \let\prevchapterdefs=\lastchapterdefs + \let\prevsectiondefs=\lastsectiondefs + \domark + % {% - \chapfonts \rm + \chapfonts \rmisbold % - % Have to define \thissection before calling \donoderef, because the + % Have to define \lastsection before calling \donoderef, because the % xref code eventually uses it. On the other hand, it has to be called % after \pchapsepmacro, or the headline will change too soon. - \gdef\thissection{#1}% - \gdef\thischaptername{#1}% + \gdef\lastsection{#1}% % % Only insert the separating space if we have a chapter/appendix % number, and don't print the unnumbered ``number''. - \def\temptype{#2}% \ifx\temptype\Ynothingkeyword \setbox0 = \hbox{}% \def\toctype{unnchap}% - \def\thischapter{#1}% \else\ifx\temptype\Yomitfromtockeyword \setbox0 = \hbox{}% contents like unnumbered, but no toc entry \def\toctype{omit}% - \xdef\thischapter{}% \else\ifx\temptype\Yappendixkeyword \setbox0 = \hbox{\putwordAppendix{} #3\enspace}% \def\toctype{app}% - % We don't substitute the actual chapter name into \thischapter - % because we don't want its macros evaluated now. And we don't - % use \thissection because that changes with each section. - % - \xdef\thischapter{\putwordAppendix{} \appendixletter: - \noexpand\thischaptername}% \else \setbox0 = \hbox{#3\enspace}% \def\toctype{numchap}% - \xdef\thischapter{\putwordChapter{} \the\chapno: - \noexpand\thischaptername}% \fi\fi\fi % % Write the toc entry for this chapter. Must come before the @@ -4058,7 +5750,8 @@ width0pt\relax} \fi \donoderef{#2}% % % Typeset the actual heading. - \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright + \nobreak % Avoid page breaks at the interline glue. + \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \ptexraggedright \hangindent=\wd0 \centerparametersmaybe \unhbox0 #1\par}% }% @@ -4068,45 +5761,40 @@ width0pt\relax} \fi % @centerchap -- centered and unnumbered. \let\centerparametersmaybe = \relax -\def\centerchfplain#1{{% - \def\centerparametersmaybe{% - \advance\rightskip by 3\rightskip - \leftskip = \rightskip - \parfillskip = 0pt - }% - \chfplain{#1}{Ynothing}{}% -}} +\def\centerparameters{% + \advance\rightskip by 3\rightskip + \leftskip = \rightskip + \parfillskip = 0pt +} -\CHAPFplain % The default % I don't think this chapter style is supported any more, so I'm not % updating it with the new noderef stuff. We'll see. --karl, 11aug03. -% +% +\def\setchapterstyle #1 {\csname CHAPF#1\endcsname} +% \def\unnchfopen #1{% \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 - \parindent=0pt\raggedright - \rm #1\hfill}}\bigskip \par\nobreak + \parindent=0pt\ptexraggedright + \rmisbold #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 + \hfill {\rmisbold #1}\hfill}}\bigskip \par\nobreak } - \def\CHAPFopen{% -\global\let\chapmacro=\chfopen -\global\let\centerchapmacro=\centerchfopen} + \global\let\chapmacro=\chfopen + \global\let\centerchapmacro=\centerchfopen} % Section titles. These macros combine the section number parts and % call the generic \sectionheading to do the printing. -% +% \newskip\secheadingskip \def\secheadingbreak{\dobreak \secheadingskip{-1000}} @@ -4120,52 +5808,115 @@ width0pt\relax} \fi % Print any size, any type, section title. -% +% % #1 is the text, #2 is the section level (sec/subsec/subsubsec), #3 is % the section type for xrefs (Ynumbered, Ynothing, Yappendix), #4 is the % section number. -% +% +\def\seckeyword{sec} +% \def\sectionheading#1#2#3#4{% {% + \checkenv{}% should not be in an environment. + % % Switch to the right set of fonts. - \csname #2fonts\endcsname \rm + \csname #2fonts\endcsname \rmisbold + % + \def\sectionlevel{#2}% + \def\temptype{#3}% + % + % Insert first mark before the heading break (see notes for \domark). + \let\prevsectiondefs=\lastsectiondefs + \ifx\temptype\Ynothingkeyword + \ifx\sectionlevel\seckeyword + \gdef\lastsectiondefs{\gdef\thissectionname{#1}\gdef\thissectionnum{}% + \gdef\thissection{\thissectionname}}% + \fi + \else\ifx\temptype\Yomitfromtockeyword + % Don't redefine \thissection. + \else\ifx\temptype\Yappendixkeyword + \ifx\sectionlevel\seckeyword + \toks0={#1}% + \xdef\lastsectiondefs{% + \gdef\noexpand\thissectionname{\the\toks0}% + \gdef\noexpand\thissectionnum{#4}% + % \noexpand\putwordSection avoids expanding indigestible + % commands in some of the translations. + \gdef\noexpand\thissection{\noexpand\putwordSection{} + \noexpand\thissectionnum: + \noexpand\thissectionname}% + }% + \fi + \else + \ifx\sectionlevel\seckeyword + \toks0={#1}% + \xdef\lastsectiondefs{% + \gdef\noexpand\thissectionname{\the\toks0}% + \gdef\noexpand\thissectionnum{#4}% + % \noexpand\putwordSection avoids expanding indigestible + % commands in some of the translations. + \gdef\noexpand\thissection{\noexpand\putwordSection{} + \noexpand\thissectionnum: + \noexpand\thissectionname}% + }% + \fi + \fi\fi\fi + % + % Go into vertical mode. Usually we'll already be there, but we + % don't want the following whatsit to end up in a preceding paragraph + % if the document didn't happen to have a blank line. + \par + % + % Output the mark. Pass it through \safewhatsit, to take care of + % the preceding space. + \safewhatsit\domark % % Insert space above the heading. \csname #2headingbreak\endcsname % - % Only insert the space after the number if we have a section number. - \def\sectionlevel{#2}% - \def\temptype{#3}% + % Now the second mark, after the heading break. No break points + % between here and the heading. + \let\prevsectiondefs=\lastsectiondefs + \domark % + % Only insert the space after the number if we have a section number. \ifx\temptype\Ynothingkeyword \setbox0 = \hbox{}% \def\toctype{unn}% - \gdef\thissection{#1}% + \gdef\lastsection{#1}% \else\ifx\temptype\Yomitfromtockeyword % for @headings -- no section number, don't include in toc, - % and don't redefine \thissection. + % and don't redefine \lastsection. \setbox0 = \hbox{}% \def\toctype{omit}% \let\sectionlevel=\empty \else\ifx\temptype\Yappendixkeyword \setbox0 = \hbox{#4\enspace}% \def\toctype{app}% - \gdef\thissection{#1}% + \gdef\lastsection{#1}% \else \setbox0 = \hbox{#4\enspace}% \def\toctype{num}% - \gdef\thissection{#1}% + \gdef\lastsection{#1}% \fi\fi\fi % - % Write the toc entry (before \donoderef). See comments in \chfplain. + % Write the toc entry (before \donoderef). See comments in \chapmacro. \writetocentry{\toctype\sectionlevel}{#1}{#4}% % % Write the node reference (= pdf destination for pdftex). - % Again, see comments in \chfplain. + % Again, see comments in \chapmacro. \donoderef{#3}% % + % Interline glue will be inserted when the vbox is completed. + % That glue will be a valid breakpoint for the page, since it'll be + % preceded by a whatsit (usually from the \donoderef, or from the + % \writetocentry if there was no node). We don't want to allow that + % break, since then the whatsits could end up on page n while the + % section is on page n+1, thus toc/etc. are wrong. Debian bug 276000. + \nobreak + % % Output the actual section heading. - \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright + \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \ptexraggedright \hangindent=\wd0 % zero if no section number \unhbox0 #1}% }% @@ -4179,16 +5930,16 @@ width0pt\relax} \fi % % We'll almost certainly start a paragraph next, so don't let that % glue accumulate. (Not a breakpoint because it's preceded by a - % discardable item.) + % discardable item.) However, when a paragraph is not started next + % (\startdefun, \cartouche, \center, etc.), this needs to be wiped out + % or the negative glue will cause weirdly wrong output, typically + % obscuring the section heading with something else. \vskip-\parskip % - % This \nobreak is purely so the last item on the list is a \penalty - % of 10000. This is so other code, for instance \parsebodycommon, can - % check for and avoid allowing breakpoints. Otherwise, it would - % insert a valid breakpoint between: - % @section sec-whatever - % @deffn def-whatever - \nobreak + % This is so the last item on the main vertical list is a known + % \penalty > 10000, so \startdefun, etc., can recognize the situation + % and do the needful. + \penalty 10001 } @@ -4197,14 +5948,14 @@ width0pt\relax} \fi \newwrite\tocfile % Write an entry to the toc file, opening it if necessary. -% Called from @chapter, etc. -% +% Called from @chapter, etc. +% % Example usage: \writetocentry{sec}{Section Name}{\the\chapno.\the\secno} % We append the current node name (if any) and page number as additional % arguments for the \{chap,sec,...}entry macros which will eventually % read this. The node name is used in the pdf outlines as the % destination to jump to. -% +% % We open the .toc file for writing here instead of at @setfilename (or % any other fixed time) so that @contents can be anywhere in the document. % But if #1 is `omit', then we don't do anything. This is used for the @@ -4222,11 +5973,11 @@ width0pt\relax} \fi \fi % \iflinks - \toks0 = {#2}% - \toks2 = \expandafter{\lastnode}% - \edef\temp{\write\tocfile{\realbackslash #1entry{\the\toks0}{#3}% - {\the\toks2}{\noexpand\folio}}}% - \temp + {\atdummies + \edef\temp{% + \write\tocfile{@#1entry{#2}{#3}{\lastnode}{\noexpand\folio}}}% + \temp + }% \fi \fi % @@ -4239,6 +5990,31 @@ width0pt\relax} \fi \ifpdf \global\pdfmakepagedesttrue \fi } + +% These characters do not print properly in the Computer Modern roman +% fonts, so we must take special care. This is more or less redundant +% with the Texinfo input format setup at the end of this file. +% +\def\activecatcodes{% + \catcode`\"=\active + \catcode`\$=\active + \catcode`\<=\active + \catcode`\>=\active + \catcode`\\=\active + \catcode`\^=\active + \catcode`\_=\active + \catcode`\|=\active + \catcode`\~=\active +} + + +% Read the toc file, which is essentially Texinfo input. +\def\readtocfile{% + \setupdatafile + \activecatcodes + \input \tocreadfilename +} + \newskip\contentsrightmargin \contentsrightmargin=1in \newcount\savepageno \newcount\lastnegativepageno \lastnegativepageno = -1 @@ -4246,81 +6022,84 @@ width0pt\relax} \fi % 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 - \contentsalignmacro - \immediate\closeout\tocfile - % - % Don't need to put `Contents' or `Short Contents' in the headline. - % It is abundantly clear what they are. - \def\thischapter{}% - \chapmacro{#1}{Yomitfromtoc}{}% - % - \savepageno = \pageno - \begingroup % Set up to handle contents files properly. - \catcode`\\=0 \catcode`\{=1 \catcode`\}=2 \catcode`\@=11 - % We can't do this, because then an actual ^ in a section - % title fails, e.g., @chapter ^ -- exponentiation. --karl, 9jul97. - %\catcode`\^=7 % to see ^^e4 as \"a etc. juha@piuha.ydi.vtt.fi - \raggedbottom % Worry more about breakpoints than the bottom. - \advance\hsize by -\contentsrightmargin % Don't use the full line length. - % - % Roman numerals for page numbers. - \ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi + % If @setchapternewpage on, and @headings double, the contents should + % start on an odd page, unlike chapters. Thus, we maintain + % \contentsalignmacro in parallel with \pagealignmacro. + % From: Torbjorn Granlund + \contentsalignmacro + \immediate\closeout\tocfile + % + % Don't need to put `Contents' or `Short Contents' in the headline. + % It is abundantly clear what they are. + \chapmacro{#1}{Yomitfromtoc}{}% + % + \savepageno = \pageno + \begingroup % Set up to handle contents files properly. + \raggedbottom % Worry more about breakpoints than the bottom. + \advance\hsize by -\contentsrightmargin % Don't use the full line length. + % + % Roman numerals for page numbers. + \ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi } +% redefined for the two-volume lispref. We always output on +% \jobname.toc even if this is redefined. +% +\def\tocreadfilename{\jobname.toc} % Normal (long) toc. +% \def\contents{% - \startcontents{\putwordTOC}% - \openin 1 \jobname.toc - \ifeof 1 \else - \closein 1 - \input \jobname.toc - \fi - \vfill \eject - \contentsalignmacro % in case @setchapternewpage odd is in effect - \pdfmakeoutlines - \endgroup - \lastnegativepageno = \pageno - \global\pageno = \savepageno + \startcontents{\putwordTOC}% + \openin 1 \tocreadfilename\space + \ifeof 1 \else + \readtocfile + \fi + \vfill \eject + \contentsalignmacro % in case @setchapternewpage odd is in effect + \ifeof 1 \else + \pdfmakeoutlines + \fi + \closein 1 + \endgroup + \lastnegativepageno = \pageno + \global\pageno = \savepageno } % And just the chapters. \def\summarycontents{% - \startcontents{\putwordShortTOC}% - % - \let\numchapentry = \shortchapentry - \let\appentry = \shortchapentry - \let\unnchapentry = \shortunnchapentry - % We want a true roman here for the page numbers. - \secfonts - \let\rm=\shortcontrm \let\bf=\shortcontbf - \let\sl=\shortcontsl \let\tt=\shortconttt - \rm - \hyphenpenalty = 10000 - \advance\baselineskip by 1pt % Open it up a little. - \def\numsecentry##1##2##3##4{} - \let\appsecentry = \numsecentry - \let\unnsecentry = \numsecentry - \let\numsubsecentry = \numsecentry - \let\appsubsecentry = \numsecentry - \let\unnsubsecentry = \numsecentry - \let\numsubsubsecentry = \numsecentry - \let\appsubsubsecentry = \numsecentry - \let\unnsubsubsecentry = \numsecentry - \openin 1 \jobname.toc - \ifeof 1 \else - \closein 1 - \input \jobname.toc - \fi - \vfill \eject - \contentsalignmacro % in case @setchapternewpage odd is in effect - \endgroup - \lastnegativepageno = \pageno - \global\pageno = \savepageno + \startcontents{\putwordShortTOC}% + % + \let\partentry = \shortpartentry + \let\numchapentry = \shortchapentry + \let\appentry = \shortchapentry + \let\unnchapentry = \shortunnchapentry + % We want a true roman here for the page numbers. + \secfonts + \let\rm=\shortcontrm \let\bf=\shortcontbf + \let\sl=\shortcontsl \let\tt=\shortconttt + \rm + \hyphenpenalty = 10000 + \advance\baselineskip by 1pt % Open it up a little. + \def\numsecentry##1##2##3##4{} + \let\appsecentry = \numsecentry + \let\unnsecentry = \numsecentry + \let\numsubsecentry = \numsecentry + \let\appsubsecentry = \numsecentry + \let\unnsubsecentry = \numsecentry + \let\numsubsubsecentry = \numsecentry + \let\appsubsubsecentry = \numsecentry + \let\unnsubsubsecentry = \numsecentry + \openin 1 \tocreadfilename\space + \ifeof 1 \else + \readtocfile + \fi + \closein 1 + \vfill \eject + \contentsalignmacro % in case @setchapternewpage odd is in effect + \endgroup + \lastnegativepageno = \pageno + \global\pageno = \savepageno } \let\shortcontents = \summarycontents @@ -4333,7 +6112,7 @@ width0pt\relax} \fi % But use \hss just in case. % (This space doesn't include the extra space that gets added after % the label; that gets put in by \shortchapentry above.) - % + % % We'd like to right-justify chapter numbers, but that looks strange % with appendix letters. And right-justifying numbers and % left-justifying letters looks strange when there is less than 10 @@ -4347,6 +6126,19 @@ width0pt\relax} \fi % The last argument is the page number. % The arguments in between are the chapter number, section number, ... +% Parts, in the main contents. Replace the part number, which doesn't +% exist, with an empty box. Let's hope all the numbers have the same width. +% Also ignore the page number, which is conventionally not printed. +\def\numeralbox{\setbox0=\hbox{8}\hbox to \wd0{\hfil}} +\def\partentry#1#2#3#4{\dochapentry{\numeralbox\labelspace#1}{}} +% +% Parts, in the short toc. +\def\shortpartentry#1#2#3#4{% + \penalty-300 + \vskip.5\baselineskip plus.15\baselineskip minus.1\baselineskip + \shortchapentry{{\bf #1}}{\numeralbox}{}{}% +} + % Chapters, in the main contents. \def\numchapentry#1#2#3#4{\dochapentry{#2\labelspace#1}{#4}} % @@ -4358,7 +6150,7 @@ width0pt\relax} \fi % Appendices, in the main contents. % Need the word Appendix, and a fixed-size box. -% +% \def\appendixbox#1{% % We use M since it's probably the widest letter. \setbox0 = \hbox{\putwordAppendix{} M}% @@ -4386,7 +6178,8 @@ width0pt\relax} \fi \def\unnsubsubsecentry#1#2#3#4{\dosubsubsecentry{#1}{#4}} % This parameter controls the indentation of the various levels. -\newdimen\tocindent \tocindent = 2pc +% Same as \defaultparindent. +\newdimen\tocindent \tocindent = 15pt % Now for the actual typesetting. In all these, #1 is the text and #2 is the % page number. @@ -4435,45 +6228,12 @@ width0pt\relax} \fi \message{environments,} % @foo ... @end foo. -% @point{}, @result{}, @expansion{}, @print{}, @equiv{}. -% -% Since these characters are used in examples, it should be an even number of -% \tt widths. Each \tt character is 1en, so two makes it 1em. -% -\def\point{$\star$} -\def\result{\leavevmode\raise.15ex\hbox to 1em{\hfil$\Rightarrow$\hfil}} -\def\expansion{\leavevmode\raise.1ex\hbox to 1em{\hfil$\mapsto$\hfil}} -\def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}} -\def\equiv{\leavevmode\lower.1ex\hbox to 1em{\hfil$\ptexequiv$\hfil}} - -% The @error{} command. -% Adapted from the TeXbook's \boxit. -% -\newbox\errorbox -% -{\tentt \global\dimen0 = 3em}% Width of the box. -\dimen2 = .55pt % Thickness of rules -% The text. (`r' is open on the right, `e' somewhat less so on the left.) -\setbox0 = \hbox{\kern-.75pt \tensf error\kern-1.5pt} -% -\setbox\errorbox=\hbox to \dimen0{\hfil - \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right. - \advance\hsize by -2\dimen2 % Rules. - \vbox{% - \hrule height\dimen2 - \hbox{\vrule width\dimen2 \kern3pt % Space to left of text. - \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below. - \kern3pt\vrule width\dimen2}% Space to right. - \hrule height\dimen2} - \hfil} -% -\def\error{\leavevmode\lower.7ex\copy\errorbox} - -% @tex ... @end tex escapes into raw Tex temporarily. +% @tex ... @end tex escapes into raw TeX temporarily. % One exception: @ is still an escape character, so that @end tex works. -% But \@ or @@ will get a plain tex @ character. +% But \@ or @@ will get a plain @ character. -\def\tex{\begingroup +\envdef\tex{% + \setupmarkupstyle{tex}% \catcode `\\=0 \catcode `\{=1 \catcode `\}=2 \catcode `\$=3 \catcode `\&=4 \catcode `\#=6 \catcode `\^=7 \catcode `\_=8 \catcode `\~=\active \let~=\tie @@ -4483,8 +6243,14 @@ width0pt\relax} \fi \catcode `\|=\other \catcode `\<=\other \catcode `\>=\other + \catcode`\`=\other + \catcode`\'=\other \escapechar=`\\ % + % ' is active in math mode (mathcode"8000). So reset it, and all our + % other math active characters (just in case), to plain's definitions. + \mathactive + % \let\b=\ptexb \let\bullet=\ptexbullet \let\c=\ptexc @@ -4502,14 +6268,17 @@ width0pt\relax} \fi \let\/=\ptexslash \let\*=\ptexstar \let\t=\ptext + \expandafter \let\csname top\endcsname=\ptextop % outer + \let\frenchspacing=\plainfrenchspacing % \def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}% \def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}% \def\@{@}% -\let\Etex=\endgroup} +} +% There is no need to define \Etex. % Define @lisp ... @end lisp. -% @lisp does a \begingroup so it can rebind things, +% @lisp environment forms a group so it can rebind things, % including the definition of @end lisp (which normally is erroneous). % Amount to narrow the margins by for @lisp. @@ -4529,7 +6298,8 @@ width0pt\relax} \fi % start of the next paragraph will insert \parskip. % \def\aboveenvbreak{{% - % =10000 instead of <10000 because of a special case in \itemzzz, q.v. + % =10000 instead of <10000 because of a special case in \itemzzz and + % \sectionheading, q.v. \ifnum \lastpenalty=10000 \else \advance\envskipamount by \parskip \endgraf @@ -4537,7 +6307,7 @@ width0pt\relax} \fi \removelastskip % it's not a good place to break if the last penalty was \nobreak % or better ... - \ifnum\lastpenalty>10000 \else \penalty-50 \fi + \ifnum\lastpenalty<10000 \penalty-50 \fi \vskip\envskipamount \fi \fi @@ -4545,7 +6315,8 @@ width0pt\relax} \fi \let\afterenvbreak = \aboveenvbreak -% \nonarrowing is a flag. If "set", @lisp etc don't narrow margins. +% \nonarrowing is a flag. If "set", @lisp etc don't narrow margins; it will +% also clear it, so that its embedded environments do the narrowing again. \let\nonarrowing=\relax % @cartouche ... @end cartouche: draw rectangle w/rounded corners around @@ -4569,8 +6340,7 @@ width0pt\relax} \fi % \newskip\lskip\newskip\rskip -\def\cartouche{% -\begingroup\inENV +\envdef\cartouche{% \ifhmode\par\fi % can't be in the midst of a paragraph. \startsavinginserts \lskip=\leftskip \rskip=\rightskip @@ -4583,7 +6353,13 @@ width0pt\relax} \fi % each corner char, and rule thickness \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip % Flag to tell @lisp, etc., not to narrow margin. - \let\nonarrowing=\comment + \let\nonarrowing = t% + % + % If this cartouche directly follows a sectioning command, we need the + % \parskip glue (backspaced over by default) or the cartouche can + % collide with the section heading. + \ifnum\lastpenalty>10000 \vskip\parskip \penalty\lastpenalty \fi + % \vbox\bgroup \baselineskip=0pt\parskip=0pt\lineskip=0pt \carttop @@ -4597,7 +6373,7 @@ width0pt\relax} \fi \lineskip=\normlskip \parskip=\normpskip \vskip -\parskip - \comment % For explanation, see the end of \def\group. + \comment % For explanation, see the end of def\group. } \def\Ecartouche{% \ifhmode\par\fi @@ -4609,135 +6385,199 @@ width0pt\relax} \fi \cartbot \egroup \checkinserts -\endgroup } % This macro is called at the beginning of all the @example variants, % inside a group. +\newdimen\nonfillparindent \def\nonfillstart{% \aboveenvbreak - \inENV % This group ends at the end of the body \hfuzz = 12pt % Don't be fussy \sepspaces % Make spaces be word-separators rather than space tokens. \let\par = \lisppar % don't ignore blank lines \obeylines % each line of input is a line of output \parskip = 0pt + % Turn off paragraph indentation but redefine \indent to emulate + % the normal \indent. + \nonfillparindent=\parindent \parindent = 0pt + \let\indent\nonfillindent + % \emergencystretch = 0pt % don't try to avoid overfull boxes - % @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 + \else + \let\nonarrowing = \relax + \fi + \let\exdent=\nofillexdent +} + +\begingroup +\obeyspaces +% We want to swallow spaces (but not other tokens) after the fake +% @indent in our nonfill-environments, where spaces are normally +% active and set to @tie, resulting in them not being ignored after +% @indent. +\gdef\nonfillindent{\futurelet\temp\nonfillindentcheck}% +\gdef\nonfillindentcheck{% +\ifx\temp % +\expandafter\nonfillindentgobble% +\else% +\leavevmode\nonfillindentbox% +\fi% +}% +\endgroup +\def\nonfillindentgobble#1{\nonfillindent} +\def\nonfillindentbox{\hbox to \nonfillparindent{\hss}} + +% If you want all examples etc. small: @set dispenvsize small. +% If you want even small examples the full size: @set dispenvsize nosmall. +% This affects the following displayed environments: +% @example, @display, @format, @lisp +% +\def\smallword{small} +\def\nosmallword{nosmall} +\let\SETdispenvsize\relax +\def\setnormaldispenv{% + \ifx\SETdispenvsize\smallword + % end paragraph for sake of leading, in case document has no blank + % line. This is redundant with what happens in \aboveenvbreak, but + % we need to do it before changing the fonts, and it's inconvenient + % to change the fonts afterward. + \ifnum \lastpenalty=10000 \else \endgraf \fi + \smallexamplefonts \rm + \fi +} +\def\setsmalldispenv{% + \ifx\SETdispenvsize\nosmallword + \else + \ifnum \lastpenalty=10000 \else \endgraf \fi + \smallexamplefonts \rm \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 +% We often define two environments, @foo and @smallfoo. +% Let's do it in one command. #1 is the env name, #2 the definition. +\def\makedispenvdef#1#2{% + \expandafter\envdef\csname#1\endcsname {\setnormaldispenv #2}% + \expandafter\envdef\csname small#1\endcsname {\setsmalldispenv #2}% + \expandafter\let\csname E#1\endcsname \afterenvbreak + \expandafter\let\csname Esmall#1\endcsname \afterenvbreak } -% @example: Same as @lisp. -\def\example{\begingroup \def\Eexample{\nonfillfinish\endgroup}\lisp} - +% Define two environment synonyms (#1 and #2) for an environment. +\def\maketwodispenvdef#1#2#3{% + \makedispenvdef{#1}{#3}% + \makedispenvdef{#2}{#3}% +} +% +% @lisp: indented, narrowed, typewriter font; +% @example: same as @lisp. +% % @smallexample and @smalllisp: use smaller fonts. % Originally contributed by Pavel@xerox. -\def\smalllisp{\begingroup - \def\Esmalllisp{\nonfillfinish\endgroup}% - \def\Esmallexample{\nonfillfinish\endgroup}% - \smallexamplefonts - \lisp -} -\let\smallexample = \smalllisp - - -% @display: same as @lisp except keep current font. % -\def\display{\begingroup +\maketwodispenvdef{lisp}{example}{% \nonfillstart - \let\Edisplay = \nonfillfinish - \gobble + \tt\setupmarkupstyle{example}% + \let\kbdfont = \kbdexamplefont % Allow @kbd to do something special. + \gobble % eat return } +% @display/@smalldisplay: same as @lisp except keep current font. % -% @smalldisplay: @display plus smaller fonts. -% -\def\smalldisplay{\begingroup - \def\Esmalldisplay{\nonfillfinish\endgroup}% - \smallexamplefonts \rm - \display +\makedispenvdef{display}{% + \nonfillstart + \gobble } -% @format: same as @display except don't narrow margins. +% @format/@smallformat: same as @display except don't narrow margins. % -\def\format{\begingroup +\makedispenvdef{format}{% \let\nonarrowing = t% \nonfillstart - \let\Eformat = \nonfillfinish \gobble } -% -% @smallformat: @format plus smaller fonts. -% -\def\smallformat{\begingroup - \def\Esmallformat{\nonfillfinish\endgroup}% - \smallexamplefonts \rm - \format -} -% @flushleft (same as @format). -% -\def\flushleft{\begingroup \def\Eflushleft{\nonfillfinish\endgroup}\format} +% @flushleft: same as @format, but doesn't obey \SETdispenvsize. +\envdef\flushleft{% + \let\nonarrowing = t% + \nonfillstart + \gobble +} +\let\Eflushleft = \afterenvbreak % @flushright. % -\def\flushright{\begingroup +\envdef\flushright{% \let\nonarrowing = t% \nonfillstart - \let\Eflushright = \nonfillfinish - \advance\leftskip by 0pt plus 1fill + \advance\leftskip by 0pt plus 1fill\relax \gobble } +\let\Eflushright = \afterenvbreak + + +% @raggedright does more-or-less normal line breaking but no right +% justification. From plain.tex. +\envdef\raggedright{% + \rightskip0pt plus2em \spaceskip.3333em \xspaceskip.5em\relax +} +\let\Eraggedright\par + +\envdef\raggedleft{% + \parindent=0pt \leftskip0pt plus2em + \spaceskip.3333em \xspaceskip.5em \parfillskip=0pt + \hbadness=10000 % Last line will usually be underfull, so turn off + % badness reporting. +} +\let\Eraggedleft\par + +\envdef\raggedcenter{% + \parindent=0pt \rightskip0pt plus1em \leftskip0pt plus1em + \spaceskip.3333em \xspaceskip.5em \parfillskip=0pt + \hbadness=10000 % Last line will usually be underfull, so turn off + % badness reporting. +} +\let\Eraggedcenter\par % @quotation does normal linebreaking (hence we can't use \nonfillstart) -% and narrows the margins. +% and narrows the margins. We keep \parskip nonzero in general, since +% we're doing normal filling. So, when using \aboveenvbreak and +% \afterenvbreak, temporarily make \parskip 0. +% +\makedispenvdef{quotation}{\quotationstart} % -\def\quotation{% - \begingroup\inENV %This group ends at the end of the @quotation body +\def\quotationstart{% {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip \parindent=0pt - % We have retained a nonzero parskip for the environment, since we're - % doing normal filling. So to avoid extra space below the environment... - \def\Equotation{\parskip = 0pt \nonfillfinish}% % % @cartouche defines \nonarrowing to inhibit narrowing at next level down. \ifx\nonarrowing\relax \advance\leftskip by \lispnarrowing \advance\rightskip by \lispnarrowing \exdentamount = \lispnarrowing + \else \let\nonarrowing = \relax \fi \parsearg\quotationlabel } +% We have retained a nonzero parskip for the environment, since we're +% doing normal filling. +% +\def\Equotation{% + \par + \ifx\quotationauthor\thisisundefined\else + % indent a bit. + \leftline{\kern 2\leftskip \sl ---\quotationauthor}% + \fi + {\parskip=0pt \afterenvbreak}% +} +\def\Esmallquotation{\Equotation} + % If we're given an argument, typeset it in bold with a colon after. \def\quotationlabel#1{% \def\temp{#1}% @@ -4761,18 +6601,16 @@ width0pt\relax} \fi \do\ \do\\\do\{\do\}\do\$\do\&% \do\#\do\^\do\^^K\do\_\do\^^A\do\%\do\~% \do\<\do\>\do\|\do\@\do+\do\"% + % Don't do the quotes -- if we do, @set txicodequoteundirected and + % @set txicodequotebacktick will not have effect on @verb and + % @verbatim, and ?` and !` ligatures won't get disabled. + %\do\`\do\'% } % % [Knuth] p. 380 \def\uncatcodespecials{% \def\do##1{\catcode`##1=\other}\dospecials} % -% [Knuth] pp. 380,381,391 -% Disable Spanish ligatures ?` and !` of \tt font -\begingroup - \catcode`\`=\active\gdef`{\relax\lq} -\endgroup -% % Setup for the @verb command. % % Eight spaces for a tab @@ -4784,7 +6622,7 @@ width0pt\relax} \fi \def\setupverb{% \tt % easiest (and conventionally used) font for verbatim \def\par{\leavevmode\endgraf}% - \catcode`\`=\active + \setupmarkupstyle{verb}% \tabeightspaces % Respect line breaks, % print special symbols as themselves, and @@ -4795,35 +6633,46 @@ width0pt\relax} \fi % Setup for the @verbatim environment % -% Real tab expansion +% Real tab expansion. \newdimen\tabw \setbox0=\hbox{\tt\space} \tabw=8\wd0 % tab amount % -\def\starttabbox{\setbox0=\hbox\bgroup} +% We typeset each line of the verbatim in an \hbox, so we can handle +% tabs. The \global is in case the verbatim line starts with an accent, +% or some other command that starts with a begin-group. Otherwise, the +% entire \verbbox would disappear at the corresponding end-group, before +% it is typeset. Meanwhile, we can't have nested verbatim commands +% (can we?), so the \global won't be overwriting itself. +\newbox\verbbox +\def\starttabbox{\global\setbox\verbbox=\hbox\bgroup} +% \begingroup \catcode`\^^I=\active \gdef\tabexpand{% \catcode`\^^I=\active \def^^I{\leavevmode\egroup - \dimen0=\wd0 % the width so far, or since the previous tab - \divide\dimen0 by\tabw - \multiply\dimen0 by\tabw % compute previous multiple of \tabw - \advance\dimen0 by\tabw % advance to next multiple of \tabw - \wd0=\dimen0 \box0 \starttabbox + \dimen\verbbox=\wd\verbbox % the width so far, or since the previous tab + \divide\dimen\verbbox by\tabw + \multiply\dimen\verbbox by\tabw % compute previous multiple of \tabw + \advance\dimen\verbbox by\tabw % advance to next multiple of \tabw + \wd\verbbox=\dimen\verbbox \box\verbbox \starttabbox }% } \endgroup + +% start the verbatim environment. \def\setupverbatim{% + \let\nonarrowing = t% \nonfillstart - \advance\leftskip by -\defbodyindent - % Easiest (and conventionally used) font for verbatim - \tt - \def\par{\leavevmode\egroup\box0\endgraf}% - \catcode`\`=\active + \tt % easiest (and conventionally used) font for verbatim + % The \leavevmode here is for blank lines. Otherwise, we would + % never \starttabox and the \egroup would end verbatim mode. + \def\par{\leavevmode\egroup\box\verbbox\endgraf}% \tabexpand + \setupmarkupstyle{verbatim}% % Respect line breaks, % print special symbols as themselves, and - % make each space count - % must do in this order: + % make each space count. + % Must do in this order: \obeylines \uncatcodespecials \sepspaces \everypar{\starttabbox}% } @@ -4865,27 +6714,29 @@ width0pt\relax} \fi % without the active space; thus we have to use \xdef and \gobble. \endgroup % -\def\verbatim{% - \let\Everbatim\nonfillfinish - \begingroup +\envdef\verbatim{% \setupverbatim\doverbatim } +\let\Everbatim = \afterenvbreak + % @verbatiminclude FILE - insert text of file in verbatim environment. % \def\verbatiminclude{\parseargusing\filenamecatcodes\doverbatiminclude} % \def\doverbatiminclude#1{% - \begingroup + {% \makevalueexpandable \setupverbatim + \indexnofonts % Allow `@@' and other weird things in file names. + \wlog{texinfo.tex: doing @verbatiminclude of #1^^J}% \input #1 - \nonfillfinish % contains \endgroup + \afterenvbreak + }% } % @copying ... @end copying. -% Save the text away for @insertcopying later. Many commands won't be -% allowed in this context, but that's ok. +% Save the text away for @insertcopying later. % % We save the uninterpreted tokens, rather than creating a box. % Saving the text in a box would be much easier, but then all the @@ -4894,87 +6745,45 @@ width0pt\relax} \fi % file; b) letting users define the frontmatter in as flexible order as % possible is very desirable. % -\def\copying{\begingroup - % Define a command to swallow text until we reach `@end copying'. - % \ is the escape char in this texinfo.tex file, so it is the - % delimiter for the command; @ will be the escape char when we read - % it, but that doesn't matter. - \long\def\docopying##1\end copying{\gdef\copyingtext{##1}\enddocopying}% - % - % We must preserve ^^M's in the input file; see \insertcopying below. - \catcode`\^^M = \active - \docopying -} - -% What we do to finish off the copying text. -% -\def\enddocopying{\endgroup\ignorespaces} - -% @insertcopying. Here we must play games with ^^M's. On the one hand, -% we need them to delimit commands such as `@end quotation', so they -% must be active. On the other hand, we certainly don't want every -% end-of-line to be a \par, as would happen with the normal active -% definition of ^^M. On the third hand, two ^^M's in a row should still -% generate a \par. -% -% Our approach is to make ^^M insert a space and a penalty1 normally; -% then it can also check if \lastpenalty=1. If it does, then manually -% do \par. -% -% This messes up the normal definitions of @c[omment], so we redefine -% it. Similarly for @ignore. (These commands are used in the gcc -% manual for man page generation.) -% -% Seems pretty fragile, most line-oriented commands will presumably -% fail, but for the limited use of getting the copying text (which -% should be quite simple) inserted, we can hope it's ok. -% -{\catcode`\^^M=\active % -\gdef\insertcopying{\begingroup % - \parindent = 0pt % looks wrong on title page - \def^^M{% - \ifnum \lastpenalty=1 % - \par % - \else % - \space \penalty 1 % - \fi % - }% - % - % Fix @c[omment] for catcode 13 ^^M's. - \def\c##1^^M{\ignorespaces}% - \let\comment = \c % - % - % Don't bother jumping through all the hoops that \doignore does, it - % would be very hard since the catcodes are already set. - \long\def\ignore##1\end ignore{\ignorespaces}% - % - \copyingtext % -\endgroup}% +\def\copying{\checkenv{}\begingroup\scanargctxt\docopying} +\def\docopying#1@end copying{\endgroup\def\copyingtext{#1}} +% +\def\insertcopying{% + \begingroup + \parindent = 0pt % paragraph indentation looks wrong on title page + \scanexp\copyingtext + \endgroup } + \message{defuns,} % @defun etc. \newskip\defbodyindent \defbodyindent=.4in \newskip\defargsindent \defargsindent=50pt \newskip\deflastargmargin \deflastargmargin=18pt +\newcount\defunpenalty -% \startdefun \deffn -% -- starts the processing of @deffn -\def\startdefun#1{% - \begingroup\inENV - \def\thisenv{#1}% +% Start the processing of @deffn: +\def\startdefun{% \ifnum\lastpenalty<10000 \medbreak + \defunpenalty=10003 % Will keep this @deffn together with the + % following @def command, see below. \else % If there are two @def commands in a row, we'll have a \nobreak, % which is there to keep the function description together with its % header. But if there's nothing but headers, we need to allow a - % break somewhere. Check for penalty 10002 (inserted by - % \defargscommonending) instead of 10000, since the sectioning - % commands insert a \penalty10000, and we don't want to allow a break - % between a section heading and a defun. - \ifnum\lastpenalty=10002 \penalty2000 \fi + % break somewhere. Check specifically for penalty 10002, inserted + % by \printdefunline, instead of 10000, since the sectioning + % commands also insert a nobreak penalty, and we don't want to allow + % a break between a section heading and a defun. + % + % As a further refinement, we avoid "club" headers by signalling + % with penalty of 10003 after the very first @deffn in the + % sequence (see above), and penalty of 10002 after any following + % @def command. + \ifnum\lastpenalty=10002 \penalty2000 \else \defunpenalty=10002 \fi % % Similarly, after a section heading, do not allow a break. % But do insert the glue. @@ -4986,115 +6795,41 @@ width0pt\relax} \fi \exdentamount=\defbodyindent } -% \dodefunx \startdefun \deffn -% -- converts \deffn expansion to \deffnx, omitting \startdefun. -\def\dodefunx \startdefun #1{% +\def\dodefunx#1{% + % First, check whether we are in the right environment: + \checkenv#1% + % % As above, allow line break if we have multiple x headers in a row. % It's not a great place, though. - \ifnum\lastpenalty=10002 \penalty3000 \fi + \ifnum\lastpenalty=10002 \penalty3000 \else \defunpenalty=10002 \fi % - % Check whether we are inside the corresponding @defun. - \def\temp{#1}% - \ifx\thisenv\temp - \else - \errmessage{\expandafter\string\temp x inside - \expandafter\noexpand\thisenv environment}% - \fi -} - -% Without continued lines we'd just have: -% \def\parsedefunline#1{\parseargusing\activeparens{\parsedefunlineX#1}} -% \def\parsedefunlineX#1#2{\printdefunline #1#2\DefunTerm} -% but with continuations, things are much more complicated. -% -\def\parsedefunline#1{% - \def\defunlinemacro{#1}% store \deffnheader (initially) - \parsedefunlineX -} -\def\parsedefunlineX{% - \parseargusing\activeparens\parsedefunlineY -} -\def\parsedefunlineY#1{% - % We have to prepend a token to prevent brace stripping; - % \defunlinemacro just comes handy. - \defunchkspace\defunlinemacro#1\DefunMid\ \DefunMid\DefunTerm -} -\def\defunchkspace#1\ \DefunMid#2\DefunTerm{% - \def\temp{#2}% - \ifx\temp\empty - % The line doesn't end with `@ '; in this case, #1 ends with \DefunMid. - \let\next\defunchktab - \else - % `@ ' was found and stripped. - \let\next\defunloop - \fi - \next#1\^^I\DefunMid\DefunTerm -} -\def\defunchktab#1\^^I\DefunMid#2\DefunTerm{% - \def\temp{#2}% - \ifx\temp\empty - % The line doesn't end with `@TAB', either. - \let\next\defunchkfinish - \else - % `@TAB' was found and stripped. - \let\next\defunloop - \fi - \next#1\^^I\DefunMid\DefunTerm -} -\def\defunloop#1\^^I\DefunMid\DefunTerm{% - % Expand the \defunlinemacro token at the beginning of #1. - \expandafter\def\expandafter\defunlinemacro - \expandafter{#1 }% - \parsedefunlineX -} -\def\defunchkfinish#1\DefunMid\^^I%\DefunMid\DefunTerm -- stays here -{% - % #1 starts with \defunlinemacro, which is expanded and its expansion - % starts with eg. \deffnheader. - \expandafter\replaceeols #1\^^M%\DefunMid\DefunTerm -- stays here -} - -% Each occurence of `\^^M' or `\^^M' is replaced by a single space. -% -% The parameters start with \deffnheader token, so trere is no risk braces -% could be stripped at #1. And we have a \DefunMid token just before -% \DefunTerm, so we cannot loose braces at #2 either. Uff! -% -\def\replaceeols#1\^^M#2\DefunTerm{% - \stripDefunMid #2% - \ifx\temp\empty - % This \^^M is the terminating one. - \printdefunline #1\DefunTerm - \else - \replaceeolsX#1\^^M \^^M#2\DefunTerm - \fi + % And now, it's time to reuse the body of the original defun: + \expandafter\gobbledefun#1% } -\def\replaceeolsX#1 \^^M{\replaceeolsY#1\^^M} -\def\replaceeolsY#1\^^M#2\^^M{\replaceeols#1 } -\def\stripDefunMid#1\DefunMid{\def\temp{#1}} +\def\gobbledefun#1\startdefun{} -% \printdefunline \deffnheader text\DefunTerm +% \printdefunline \deffnheader{text} % -\def\printdefunline#1\DefunTerm{% +\def\printdefunline#1#2{% \begingroup % call \deffnheader: - #1 \endheader + #1#2 \endheader % common ending: \interlinepenalty = 10000 - \advance\rightskip by 0pt plus 1fil + \advance\rightskip by 0pt plus 1fil\relax \endgraf \nobreak\vskip -\parskip - \penalty 10002 % signal to \startdefun and \dodefunx + \penalty\defunpenalty % signal to \startdefun and \dodefunx % Some of the @defun-type tags do not enable magic parentheses, % rendering the following check redundant. But we don't optimize. \checkparencounts \endgroup } -\def\Edefun{\endgraf\endgroup\medbreak} +\def\Edefun{\endgraf\medbreak} % \makedefun{deffn} creates \deffn, \deffnx and \Edeffn; -% the only thing remainnig is to define \deffnheader. +% the only thing remaining is to define \deffnheader. % \def\makedefun#1{% \expandafter\let\csname E#1\endcsname = \Edefun @@ -5109,21 +6844,44 @@ width0pt\relax} \fi % \deffnheader has to be defined explicitly. % \def\domakedefun#1#2#3{% - \def#1{% - \startdefun#1% - \parsedefunline#3% + \envdef#1{% + \startdefun + \doingtypefnfalse % distinguish typed functions from all else + \parseargusing\activeparens{\printdefunline#3}% }% - % A tricky way to recycle the code defined above: - \def#2{\expandafter\dodefunx#1}% + \def#2{\dodefunx#1}% + \def#3% +} + +\newif\ifdoingtypefn % doing typed function? +\newif\ifrettypeownline % typeset return type on its own line? + +% @deftypefnnewline on|off says whether the return type of typed functions +% are printed on their own line. This affects @deftypefn, @deftypefun, +% @deftypeop, and @deftypemethod. +% +\parseargdef\deftypefnnewline{% + \def\temp{#1}% + \ifx\temp\onword + \expandafter\let\csname SETtxideftypefnnl\endcsname + = \empty + \else\ifx\temp\offword + \expandafter\let\csname SETtxideftypefnnl\endcsname + = \relax + \else + \errhelp = \EMsimple + \errmessage{Unknown @txideftypefnnl value `\temp', + must be on|off}% + \fi\fi } -% Untyped functions (@deffn, @defop): +% Untyped functions: -\makedefun{deffn} % category name args -\def\deffnheader{\deffngeneral{}} +% @deffn category name args +\makedefun{deffn}{\deffngeneral{}} -\makedefun{defop} % category class name args -\def\defopheader#1 {\defopon{#1\ \putwordon}} +% @deffn category class name args +\makedefun{defop}#1 {\defopon{#1\ \putwordon}} % \defopon {category on}class name args \def\defopon#1#2 {\deffngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} } @@ -5131,18 +6889,18 @@ width0pt\relax} \fi % \deffngeneral {subind}category name args % \def\deffngeneral#1#2 #3 #4\endheader{% - % Remember that \dosubin{fn}{xxx}{} is equivalent to \doind{fn}{xxx}. + % Remember that \dosubind{fn}{foo}{} is equivalent to \doind{fn}{foo}. \dosubind{fn}{\code{#3}}{#1}% - \defname{#2}{}{#3}\ampdefunargs{#4\unskip}% + \defname{#2}{}{#3}\magicamp\defunargs{#4\unskip}% } -% Typed functions (@deftypefn, @deftypeop): +% Typed functions: -\makedefun{deftypefn} % category type name args -\def\deftypefnheader{\deftypefngeneral{}} +% @deftypefn category type name args +\makedefun{deftypefn}{\deftypefngeneral{}} -\makedefun{deftypeop} % category class type name args -\def\deftypeopheader#1 {\deftypeopon{#1\ \putwordon}} +% @deftypeop category class type name args +\makedefun{deftypeop}#1 {\deftypeopon{#1\ \putwordon}} % \deftypeopon {category on}class type name args \def\deftypeopon#1#2 {\deftypefngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} } @@ -5151,16 +6909,17 @@ width0pt\relax} \fi % \def\deftypefngeneral#1#2 #3 #4 #5\endheader{% \dosubind{fn}{\code{#4}}{#1}% - \defname{#2}{#3}{#4}\normaldefunargs{#5\unskip}% + \doingtypefntrue + \defname{#2}{#3}{#4}\defunargs{#5\unskip}% } -% Typed variables (@deftypevr, @deftypecv): +% Typed variables: -\makedefun{deftypevr}% category type var args -\def\deftypevrheader{\deftypecvgeneral{}} +% @deftypevr category type var args +\makedefun{deftypevr}{\deftypecvgeneral{}} -\makedefun{deftypecv}% category class type var args -\def\deftypecvheader#1 {\deftypecvof{#1\ \putwordof}} +% @deftypecv category class type var args +\makedefun{deftypecv}#1 {\deftypecvof{#1\ \putwordof}} % \deftypecvof {category of}class type var args \def\deftypecvof#1#2 {\deftypecvgeneral{\putwordof\ \code{#2}}{#1\ \code{#2}} } @@ -5169,66 +6928,92 @@ width0pt\relax} \fi % \def\deftypecvgeneral#1#2 #3 #4 #5\endheader{% \dosubind{vr}{\code{#4}}{#1}% - \defname{#2}{#3}{#4}\normaldefunargs{#5\unskip}% + \defname{#2}{#3}{#4}\defunargs{#5\unskip}% } -% Untyped variables (@defvr, @defcv): -\makedefun{defvr}% category var args -\def\defvrheader#1 {\deftypevrheader{#1} {} } +% Untyped variables: -\makedefun{defcv}% category class var args -\def\defcvheader#1 {\defcvof{#1\ \putwordof}} +% @defvr category var args +\makedefun{defvr}#1 {\deftypevrheader{#1} {} } + +% @defcv category class var args +\makedefun{defcv}#1 {\defcvof{#1\ \putwordof}} % \defcvof {category of}class var args \def\defcvof#1#2 {\deftypecvof{#1}#2 {} } -% Type (@deftp): -\makedefun{deftp}% category name args -\def\deftpheader#1 #2 #3\endheader{% +% Types: + +% @deftp category name args +\makedefun{deftp}#1 #2 #3\endheader{% \doind{tp}{\code{#2}}% - \defname{#1}{}{#2}\normaldefunargs{#3\unskip}% + \defname{#1}{}{#2}\defunargs{#3\unskip}% } % Remaining @defun-like shortcuts: -\makedefun{defun} \def\defunheader{\deffnheader{\putwordDeffunc} } -\makedefun{defmac} \def\defmacheader{\deffnheader{\putwordDefmac} } -\makedefun{defspec} \def\defspecheader{\deffnheader{\putwordDefspec} } -\makedefun{deftypefun}\def\deftypefunheader{\deftypefnheader{\putwordDeffunc} } -\makedefun{defvar} \def\defvarheader{\defvrheader{\putwordDefvar} } -\makedefun{defopt} \def\defoptheader{\defvrheader{\putwordDefopt} } -\makedefun{deftypevar}\def\deftypevarheader{\deftypevrheader{\putwordDefvar} } -\makedefun{defmethod} \def\defmethodheader{\defopon\putwordMethodon} -\makedefun{deftypemethod}\def\deftypemethodheader{\deftypeopon\putwordMethodon} -\makedefun{defivar} \def\defivarheader{\defcvof\putwordInstanceVariableof} -\makedefun{deftypeivar}\def\deftypeivarheader{\deftypecvof\putwordInstanceVariableof} +\makedefun{defun}{\deffnheader{\putwordDeffunc} } +\makedefun{defmac}{\deffnheader{\putwordDefmac} } +\makedefun{defspec}{\deffnheader{\putwordDefspec} } +\makedefun{deftypefun}{\deftypefnheader{\putwordDeffunc} } +\makedefun{defvar}{\defvrheader{\putwordDefvar} } +\makedefun{defopt}{\defvrheader{\putwordDefopt} } +\makedefun{deftypevar}{\deftypevrheader{\putwordDefvar} } +\makedefun{defmethod}{\defopon\putwordMethodon} +\makedefun{deftypemethod}{\deftypeopon\putwordMethodon} +\makedefun{defivar}{\defcvof\putwordInstanceVariableof} +\makedefun{deftypeivar}{\deftypecvof\putwordInstanceVariableof} % \defname, which formats the name of the @def (not the args). % #1 is the category, such as "Function". % #2 is the return type, if any. % #3 is the function name. -% +% % We are followed by (but not passed) the arguments, if any. % \def\defname#1#2#3{% + \par % Get the values of \leftskip and \rightskip as they were outside the @def... \advance\leftskip by -\defbodyindent % - % How we'll format the type name. Putting it in brackets helps + % Determine if we are typesetting the return type of a typed function + % on a line by itself. + \rettypeownlinefalse + \ifdoingtypefn % doing a typed function specifically? + % then check user option for putting return type on its own line: + \expandafter\ifx\csname SETtxideftypefnnl\endcsname\relax \else + \rettypeownlinetrue + \fi + \fi + % + % How we'll format the category name. Putting it in brackets helps % distinguish it from the body text that may end up on the next line % just below it. \def\temp{#1}% \setbox0=\hbox{\kern\deflastargmargin \ifx\temp\empty\else [\rm\temp]\fi} % - % Figure out line sizes for the paragraph shape. + % Figure out line sizes for the paragraph shape. We'll always have at + % least two. + \tempnum = 2 + % % The first line needs space for \box0; but if \rightskip is nonzero, % we need only space for the part of \box0 which exceeds it: \dimen0=\hsize \advance\dimen0 by -\wd0 \advance\dimen0 by \rightskip + % + % If doing a return type on its own line, we'll have another line. + \ifrettypeownline + \advance\tempnum by 1 + \def\maybeshapeline{0in \hsize}% + \else + \def\maybeshapeline{}% + \fi + % % The continuations: \dimen2=\hsize \advance\dimen2 by -\defargsindent - % (plain.tex says that \dimen1 should be used only as global.) - \parshape 2 0in \dimen0 \defargsindent \dimen2 % - % Put the type name to the right margin. + % The final paragraph shape: + \parshape \tempnum 0in \dimen0 \maybeshapeline \defargsindent \dimen2 + % + % Put the category name at the right margin. \noindent \hbox to 0pt{% \hfil\box0 \kern-\hsize @@ -5250,8 +7035,16 @@ width0pt\relax} \fi % . this still does not fix the ?` and !` ligatures, but so far no % one has made identifiers using them :). \df \tt - \def\temp{#2}% return value type - \ifx\temp\empty\else \tclose{\temp} \fi + \def\temp{#2}% text of the return type + \ifx\temp\empty\else + \tclose{\temp}% typeset the return type + \ifrettypeownline + % put return type on its own line; prohibit line break following: + \hfil\vadjust{\nobreak}\break + \else + \space % type on same line, so just followed by a space + \fi + \fi % no return type #3% output function name }% {\rm\enskip}% hskip 0.5 em of \tenrm @@ -5260,25 +7053,19 @@ width0pt\relax} \fi % arguments will be output next, if any. } -% This expands the args, with & being treated magically. +% Print arguments in slanted roman (not ttsl), inconsistently with using +% tt for the name. This is because literal text is sometimes needed in +% the argument list (groff manual), and ttsl and tt are not very +% distinguishable. Prevent hyphenation at `-' chars. % -\def\ampdefunargs{% - \magicamp - \normaldefunargs -} - -% Print arguments in slanted typewriter, prevent hyphenation at `-' chars. -% -\def\normaldefunargs#1{% - % use sl by default (not ttsl), inconsistently with using tt for the - % name. This is because literal text is sometimes needed in the - % argument list (groff manual), and ttsl and tt are not very - % distinguishable. +\def\defunargs#1{% + % use sl by default (not ttsl), % tt for the names. \df \sl \hyphenchar\font=0 + % % On the other hand, if an argument has two dashes (for instance), we % want a way to get ttsl. Let's try @var for that. - \let\var=\ttslanted + \def\var##1{{\setupmarkupstyle{var}\ttslanted{##1}}}% #1% \sl\hyphenchar\font=45 } @@ -5358,12 +7145,14 @@ width0pt\relax} \fi \ifnum\parencount=0 \else \badparencount \fi \ifnum\brackcount=0 \else \badbrackcount \fi } +% these should not use \errmessage; the glibc manual, at least, actually +% has such constructs (when documenting function pointers). \def\badparencount{% - \errmessage{Unbalanced parentheses in @def}% + \message{Warning: unbalanced parentheses in @def...}% \global\parencount=0 } \def\badbrackcount{% - \errmessage{Unbalanced square braces in @def}% + \message{Warning: unbalanced square brackets in @def...}% \global\brackcount=0 } @@ -5373,43 +7162,74 @@ width0pt\relax} \fi % To do this right we need a feature of e-TeX, \scantokens, % which we arrange to emulate with a temporary file in ordinary TeX. -\ifx\eTeXversion\undefined - \newwrite\macscribble - \def\scanmacro#1{% - \begingroup \newlinechar`\^^M - % Undo catcode changes of \startcontents and \doprintindex - \catcode`\@=0 \catcode`\\=\other \escapechar=`\@ - % Append \endinput to make sure that TeX does not see the ending newline. - \toks0={#1\endinput}% - \immediate\openout\macscribble=\jobname.tmp - \immediate\write\macscribble{\the\toks0}% - \immediate\closeout\macscribble - \let\xeatspaces\eatspaces - \input \jobname.tmp - \endgroup -} -\else -\def\scanmacro#1{% -\begingroup \newlinechar`\^^M -% Undo catcode changes of \startcontents and \doprintindex -\catcode`\@=0 \catcode`\\=\other \escapechar=`\@ -\let\xeatspaces\eatspaces\scantokens{#1\endinput}\endgroup} +\ifx\eTeXversion\thisisundefined + \newwrite\macscribble + \def\scantokens#1{% + \toks0={#1}% + \immediate\openout\macscribble=\jobname.tmp + \immediate\write\macscribble{\the\toks0}% + \immediate\closeout\macscribble + \input \jobname.tmp + } \fi +\def\scanmacro#1{\begingroup + \newlinechar`\^^M + \let\xeatspaces\eatspaces + % + % Undo catcode changes of \startcontents and \doprintindex + % When called from @insertcopying or (short)caption, we need active + % backslash to get it printed correctly. Previously, we had + % \catcode`\\=\other instead. We'll see whether a problem appears + % with macro expansion. --kasal, 19aug04 + \catcode`\@=0 \catcode`\\=\active \escapechar=`\@ + % + % ... and for \example: + \spaceisspace + % + % The \empty here causes a following catcode 5 newline to be eaten as + % part of reading whitespace after a control sequence. It does not + % eat a catcode 13 newline. There's no good way to handle the two + % cases (untried: maybe e-TeX's \everyeof could help, though plain TeX + % would then have different behavior). See the Macro Details node in + % the manual for the workaround we recommend for macros and + % line-oriented commands. + % + \scantokens{#1\empty}% +\endgroup} + +\def\scanexp#1{% + \edef\temp{\noexpand\scanmacro{#1}}% + \temp +} + \newcount\paramno % Count of parameters \newtoks\macname % Macro name \newif\ifrecursive % Is it recursive? -\def\macrolist{} % List of all defined macros in the form - % \do\macro1\do\macro2... + +% List of all defined macros in the form +% \definedummyword\macro1\definedummyword\macro2... +% Currently is also contains all @aliases; the list can be split +% if there is a need. +\def\macrolist{} + +% Add the macro to \macrolist +\def\addtomacrolist#1{\expandafter \addtomacrolistxxx \csname#1\endcsname} +\def\addtomacrolistxxx#1{% + \toks0 = \expandafter{\macrolist\definedummyword#1}% + \xdef\macrolist{\the\toks0}% +} % Utility routines. -% Thisdoes \let #1 = #2, except with \csnames. +% This does \let #1 = #2, with \csnames; that is, +% \let \csname#1\endcsname = \csname#2\endcsname +% (except of course we have to play expansion games). +% \def\cslet#1#2{% -\expandafter\expandafter -\expandafter\let -\expandafter\expandafter -\csname#1\endcsname -\csname#2\endcsname} + \expandafter\let + \csname#1\expandafter\endcsname + \csname#2\endcsname +} % Trim leading and trailing spaces off a string. % Concepts from aro-bend problem 15 (see CTAN). @@ -5430,58 +7250,99 @@ width0pt\relax} \fi % Macro bodies are absorbed as an argument in a context where % all characters are catcode 10, 11 or 12, except \ which is active -% (as in normal texinfo). It is necessary to change the definition of \. - +% (as in normal texinfo). It is necessary to change the definition of \ +% to recognize macro arguments; this is the job of \mbodybackslash. +% +% Non-ASCII encodings make 8-bit characters active, so un-activate +% them to avoid their expansion. Must do this non-globally, to +% confine the change to the current group. +% % It's necessary to have hard CRs when the macro is executed. This is -% done by making ^^M (\endlinechar) catcode 12 when reading the macro +% done by making ^^M (\endlinechar) catcode 12 when reading the macro % body, and then making it the \newlinechar in \scanmacro. - -\def\macrobodyctxt{% - \catcode`\~=\other +% +\def\scanctxt{% used as subroutine + \catcode`\"=\other + \catcode`\+=\other + \catcode`\<=\other + \catcode`\>=\other + \catcode`\@=\other \catcode`\^=\other \catcode`\_=\other \catcode`\|=\other - \catcode`\<=\other - \catcode`\>=\other - \catcode`\+=\other + \catcode`\~=\other + \ifx\declaredencoding\ascii \else \setnonasciicharscatcodenonglobal\other \fi +} + +\def\scanargctxt{% used for copying and captions, not macros. + \scanctxt + \catcode`\\=\other + \catcode`\^^M=\other +} + +\def\macrobodyctxt{% used for @macro definitions + \scanctxt \catcode`\{=\other \catcode`\}=\other - \catcode`\@=\other \catcode`\^^M=\other - \usembodybackslash} + \usembodybackslash +} + +% LilyPond CHANGE: The following definition has been reverted to the +% original definition since it was problematic in the context of +% indexing. + +\def\macroargctxt{% used when scanning invocations + \scanctxt +% \catcode`\\=0 + \catcode`\\=\other +} +% why catcode 0 for \ in the above? To recognize \\ \{ \} as "escapes" +% for the single characters \ { }. Thus, we end up with the "commands" +% that would be written @\ @{ @} in a Texinfo document. +% +% We already have @{ and @}. For @\, we define it here, and only for +% this purpose, to produce a typewriter backslash (so, the @\ that we +% define for @math can't be used with @macro calls): +% +\def\\{\normalbackslash}% +% +% We would like to do this for \, too, since that is what makeinfo does. +% But it is not possible, because Texinfo already has a command @, for a +% cedilla accent. Documents must use @comma{} instead. +% +% \anythingelse will almost certainly be an error of some kind. -\def\macroargctxt{% - \catcode`\~=\other - \catcode`\^=\other - \catcode`\_=\other - \catcode`\|=\other - \catcode`\<=\other - \catcode`\>=\other - \catcode`\+=\other - \catcode`\@=\other - \catcode`\\=\other} % \mbodybackslash is the definition of \ in @macro bodies. % It maps \foo\ => \csname macarg.foo\endcsname => #N % where N is the macro parameter number. % We define \csname macarg.\endcsname to be \realbackslash, so % \\ in macro replacement text gets you a backslash. - +% {\catcode`@=0 @catcode`@\=@active @gdef@usembodybackslash{@let\=@mbodybackslash} @gdef@mbodybackslash#1\{@csname macarg.#1@endcsname} } \expandafter\def\csname macarg.\endcsname{\realbackslash} +\def\margbackslash#1{\char`\#1 } + \def\macro{\recursivefalse\parsearg\macroxxx} \def\rmacro{\recursivetrue\parsearg\macroxxx} \def\macroxxx#1{% - \getargs{#1}% now \macname is the macname and \argl the arglist + \getargs{#1}% now \macname is the macname and \argl the arglist \ifx\argl\empty % no arguments - \paramno=0% + \paramno=0\relax \else \expandafter\parsemargdef \argl;% + \if\paramno>256\relax + \ifx\eTeXversion\thisisundefined + \errhelp = \EMsimple + \errmessage{You need eTeX to compile a file with macros with more than 256 arguments} + \fi + \fi \fi \if1\csname ismacro.\the\macname\endcsname \message{Warning: redefining \the\macname}% @@ -5490,24 +7351,21 @@ width0pt\relax} \fi \else \errmessage{Macro name \the\macname\space already defined}\fi \global\cslet{macsave.\the\macname}{\the\macname}% \global\expandafter\let\csname ismacro.\the\macname\endcsname=1% - % Add the macroname to \macrolist - \toks0 = \expandafter{\macrolist\do}% - \xdef\macrolist{\the\toks0 - \expandafter\noexpand\csname\the\macname\endcsname}% + \addtomacrolist{\the\macname}% \fi \begingroup \macrobodyctxt \ifrecursive \expandafter\parsermacbody \else \expandafter\parsemacbody \fi} -\defparsearg\unmacro{% +\parseargdef\unmacro{% \if1\csname ismacro.#1\endcsname \global\cslet{#1}{macsave.#1}% \global\expandafter\let \csname ismacro.#1\endcsname=0% % Remove the macro name from \macrolist: \begingroup \expandafter\let\csname#1\endcsname \relax - \let\do\unmacrodo + \let\definedummyword\unmacrodo \xdef\macrolist{\macrolist}% \endgroup \else @@ -5519,10 +7377,10 @@ width0pt\relax} \fi % macro definitions that have been changed to \relax. % \def\unmacrodo#1{% - \ifx#1\relax + \ifx #1\relax % remove this \else - \noexpand\do \noexpand #1% + \noexpand\definedummyword \noexpand#1% \fi } @@ -5531,46 +7389,269 @@ width0pt\relax} \fi % an opening brace, and that opening brace is not consumed. \def\getargs#1{\getargsxxx#1{}} \def\getargsxxx#1#{\getmacname #1 \relax\getmacargs} -\def\getmacname #1 #2\relax{\macname={#1}} +\def\getmacname#1 #2\relax{\macname={#1}} \def\getmacargs#1{\def\argl{#1}} +% For macro processing make @ a letter so that we can make Texinfo private macro names. +\edef\texiatcatcode{\the\catcode`\@} +\catcode `@=11\relax + % Parse the optional {params} list. Set up \paramno and \paramlist -% so \defmacro knows what to do. Define \macarg.blah for each blah -% in the params list, to be ##N where N is the position in that list. +% so \defmacro knows what to do. Define \macarg.BLAH for each BLAH +% in the params list to some hook where the argument si to be expanded. If +% there are less than 10 arguments that hook is to be replaced by ##N where N +% is the position in that list, that is to say the macro arguments are to be +% defined `a la TeX in the macro body. +% % That gets used by \mbodybackslash (above). - +% % We need to get `macro parameter char #' into several definitions. -% The technique used is stolen from LaTeX: let \hash be something +% The technique used is stolen from LaTeX: let \hash be something % unexpandable, insert that wherever you need a #, and then redefine % it to # just before using the token list produced. % % The same technique is used to protect \eatspaces till just before % the macro is used. - -\def\parsemargdef#1;{\paramno=0\def\paramlist{}% - \let\hash\relax\let\xeatspaces\relax\parsemargdefxxx#1,;,} +% +% If there are 10 or more arguments, a different technique is used, where the +% hook remains in the body, and when macro is to be expanded the body is +% processed again to replace the arguments. +% +% In that case, the hook is \the\toks N-1, and we simply set \toks N-1 to the +% argument N value and then \edef the body (nothing else will expand because of +% the catcode regime underwhich the body was input). +% +% If you compile with TeX (not eTeX), and you have macros with 10 or more +% arguments, you need that no macro has more than 256 arguments, otherwise an +% error is produced. +\def\parsemargdef#1;{% + \paramno=0\def\paramlist{}% + \let\hash\relax + \let\xeatspaces\relax + \parsemargdefxxx#1,;,% + % In case that there are 10 or more arguments we parse again the arguments + % list to set new definitions for the \macarg.BLAH macros corresponding to + % each BLAH argument. It was anyhow needed to parse already once this list + % in order to count the arguments, and as macros with at most 9 arguments + % are by far more frequent than macro with 10 or more arguments, defining + % twice the \macarg.BLAH macros does not cost too much processing power. + \ifnum\paramno<10\relax\else + \paramno0\relax + \parsemmanyargdef@@#1,;,% 10 or more arguments + \fi +} \def\parsemargdefxxx#1,{% \if#1;\let\next=\relax \else \let\next=\parsemargdefxxx - \advance\paramno by 1% + \advance\paramno by 1 \expandafter\edef\csname macarg.\eatspaces{#1}\endcsname {\xeatspaces{\hash\the\paramno}}% \edef\paramlist{\paramlist\hash\the\paramno,}% \fi\next} +\def\parsemmanyargdef@@#1,{% + \if#1;\let\next=\relax + \else + \let\next=\parsemmanyargdef@@ + \edef\tempb{\eatspaces{#1}}% + \expandafter\def\expandafter\tempa + \expandafter{\csname macarg.\tempb\endcsname}% + % Note that we need some extra \noexpand\noexpand, this is because we + % don't want \the to be expanded in the \parsermacbody as it uses an + % \xdef . + \expandafter\edef\tempa + {\noexpand\noexpand\noexpand\the\toks\the\paramno}% + \advance\paramno by 1\relax + \fi\next} + % These two commands read recursive and nonrecursive macro bodies. % (They're different since rec and nonrec macros end differently.) +% +\catcode `\@\texiatcatcode \long\def\parsemacbody#1@end macro% {\xdef\temp{\eatcr{#1}}\endgroup\defmacro}% \long\def\parsermacbody#1@end rmacro% {\xdef\temp{\eatcr{#1}}\endgroup\defmacro}% +\catcode `\@=11\relax + +\let\endargs@\relax +\let\nil@\relax +\def\nilm@{\nil@}% +\long\def\nillm@{\nil@}% + +% This macro is expanded during the Texinfo macro expansion, not during its +% definition. It gets all the arguments values and assigns them to macros +% macarg.ARGNAME +% +% #1 is the macro name +% #2 is the list of argument names +% #3 is the list of argument values +\def\getargvals@#1#2#3{% + \def\macargdeflist@{}% + \def\saveparamlist@{#2}% Need to keep a copy for parameter expansion. + \def\paramlist{#2,\nil@}% + \def\macroname{#1}% + \begingroup + \macroargctxt + \def\argvaluelist{#3,\nil@}% + \def\@tempa{#3}% + \ifx\@tempa\empty + \setemptyargvalues@ + \else + \getargvals@@ + \fi +} + +% +\def\getargvals@@{% + \ifx\paramlist\nilm@ + % Some sanity check needed here that \argvaluelist is also empty. + \ifx\argvaluelist\nillm@ + \else + \errhelp = \EMsimple + \errmessage{Too many arguments in macro `\macroname'!}% + \fi + \let\next\macargexpandinbody@ + \else + \ifx\argvaluelist\nillm@ + % No more arguments values passed to macro. Set remaining named-arg + % macros to empty. + \let\next\setemptyargvalues@ + \else + % pop current arg name into \@tempb + \def\@tempa##1{\pop@{\@tempb}{\paramlist}##1\endargs@}% + \expandafter\@tempa\expandafter{\paramlist}% + % pop current argument value into \@tempc + \def\@tempa##1{\longpop@{\@tempc}{\argvaluelist}##1\endargs@}% + \expandafter\@tempa\expandafter{\argvaluelist}% + % Here \@tempb is the current arg name and \@tempc is the current arg value. + % First place the new argument macro definition into \@tempd + \expandafter\macname\expandafter{\@tempc}% + \expandafter\let\csname macarg.\@tempb\endcsname\relax + \expandafter\def\expandafter\@tempe\expandafter{% + \csname macarg.\@tempb\endcsname}% + \edef\@tempd{\long\def\@tempe{\the\macname}}% + \push@\@tempd\macargdeflist@ + \let\next\getargvals@@ + \fi + \fi + \next +} + +\def\push@#1#2{% + \expandafter\expandafter\expandafter\def + \expandafter\expandafter\expandafter#2% + \expandafter\expandafter\expandafter{% + \expandafter#1#2}% +} + +% Replace arguments by their values in the macro body, and place the result +% in macro \@tempa +\def\macvalstoargs@{% + % To do this we use the property that token registers that are \the'ed + % within an \edef expand only once. So we are going to place all argument + % values into respective token registers. + % + % First we save the token context, and initialize argument numbering. + \begingroup + \paramno0\relax + % Then, for each argument number #N, we place the corresponding argument + % value into a new token list register \toks#N + \expandafter\putargsintokens@\saveparamlist@,;,% + % Then, we expand the body so that argument are replaced by their + % values. The trick for values not to be expanded themselves is that they + % are within tokens and that tokens expand only once in an \edef . + \edef\@tempc{\csname mac.\macroname .body\endcsname}% + % Now we restore the token stack pointer to free the token list registers + % which we have used, but we make sure that expanded body is saved after + % group. + \expandafter + \endgroup + \expandafter\def\expandafter\@tempa\expandafter{\@tempc}% + } + +\def\macargexpandinbody@{% + %% Define the named-macro outside of this group and then close this group. + \expandafter + \endgroup + \macargdeflist@ + % First the replace in body the macro arguments by their values, the result + % is in \@tempa . + \macvalstoargs@ + % Then we point at the \norecurse or \gobble (for recursive) macro value + % with \@tempb . + \expandafter\let\expandafter\@tempb\csname mac.\macroname .recurse\endcsname + % Depending on whether it is recursive or not, we need some tailing + % \egroup . + \ifx\@tempb\gobble + \let\@tempc\relax + \else + \let\@tempc\egroup + \fi + % And now we do the real job: + \edef\@tempd{\noexpand\@tempb{\macroname}\noexpand\scanmacro{\@tempa}\@tempc}% + \@tempd +} + +\def\putargsintokens@#1,{% + \if#1;\let\next\relax + \else + \let\next\putargsintokens@ + % First we allocate the new token list register, and give it a temporary + % alias \@tempb . + \toksdef\@tempb\the\paramno + % Then we place the argument value into that token list register. + \expandafter\let\expandafter\@tempa\csname macarg.#1\endcsname + \expandafter\@tempb\expandafter{\@tempa}% + \advance\paramno by 1\relax + \fi + \next +} + +% Save the token stack pointer into macro #1 +\def\texisavetoksstackpoint#1{\edef#1{\the\@cclvi}} +% Restore the token stack pointer from number in macro #1 +\def\texirestoretoksstackpoint#1{\expandafter\mathchardef\expandafter\@cclvi#1\relax} +% newtoks that can be used non \outer . +\def\texinonouternewtoks{\alloc@ 5\toks \toksdef \@cclvi} + +% Tailing missing arguments are set to empty +\def\setemptyargvalues@{% + \ifx\paramlist\nilm@ + \let\next\macargexpandinbody@ + \else + \expandafter\setemptyargvaluesparser@\paramlist\endargs@ + \let\next\setemptyargvalues@ + \fi + \next +} + +\def\setemptyargvaluesparser@#1,#2\endargs@{% + \expandafter\def\expandafter\@tempa\expandafter{% + \expandafter\def\csname macarg.#1\endcsname{}}% + \push@\@tempa\macargdeflist@ + \def\paramlist{#2}% +} + +% #1 is the element target macro +% #2 is the list macro +% #3,#4\endargs@ is the list value +\def\pop@#1#2#3,#4\endargs@{% + \def#1{#3}% + \def#2{#4}% +} +\long\def\longpop@#1#2#3,#4\endargs@{% + \long\def#1{#3}% + \long\def#2{#4}% +} -% This defines the macro itself. There are six cases: recursive and -% nonrecursive macros of zero, one, and many arguments. +% This defines a Texinfo @macro. There are eight cases: recursive and +% nonrecursive macros of zero, one, up to nine, and many arguments. % Much magic with \expandafter here. % \xdef is used so that macro definitions will survive the file % they're defined in; @include reads the file inside a group. +% \def\defmacro{% \let\hash=##% convert placeholders to macro parameter chars \ifrecursive @@ -5585,17 +7666,25 @@ width0pt\relax} \fi \expandafter\noexpand\csname\the\macname xxx\endcsname}% \expandafter\xdef\csname\the\macname xxx\endcsname##1{% \egroup\noexpand\scanmacro{\temp}}% - \else % many - \expandafter\xdef\csname\the\macname\endcsname{% - \bgroup\noexpand\macroargctxt - \noexpand\csname\the\macname xx\endcsname}% - \expandafter\xdef\csname\the\macname xx\endcsname##1{% - \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% - \expandafter\expandafter - \expandafter\xdef - \expandafter\expandafter - \csname\the\macname xxx\endcsname - \paramlist{\egroup\noexpand\scanmacro{\temp}}% + \else + \ifnum\paramno<10\relax % at most 9 + \expandafter\xdef\csname\the\macname\endcsname{% + \bgroup\noexpand\macroargctxt + \noexpand\csname\the\macname xx\endcsname}% + \expandafter\xdef\csname\the\macname xx\endcsname##1{% + \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% + \expandafter\expandafter + \expandafter\xdef + \expandafter\expandafter + \csname\the\macname xxx\endcsname + \paramlist{\egroup\noexpand\scanmacro{\temp}}% + \else % 10 or more + \expandafter\xdef\csname\the\macname\endcsname{% + \noexpand\getargvals@{\the\macname}{\argl}% + }% + \global\expandafter\let\csname mac.\the\macname .body\endcsname\temp + \global\expandafter\let\csname mac.\the\macname .recurse\endcsname\gobble + \fi \fi \else \ifcase\paramno @@ -5612,49 +7701,57 @@ width0pt\relax} \fi \egroup \noexpand\norecurse{\the\macname}% \noexpand\scanmacro{\temp}\egroup}% - \else % many - \expandafter\xdef\csname\the\macname\endcsname{% - \bgroup\noexpand\macroargctxt - \expandafter\noexpand\csname\the\macname xx\endcsname}% - \expandafter\xdef\csname\the\macname xx\endcsname##1{% - \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% - \expandafter\expandafter - \expandafter\xdef - \expandafter\expandafter - \csname\the\macname xxx\endcsname - \paramlist{% - \egroup - \noexpand\norecurse{\the\macname}% - \noexpand\scanmacro{\temp}\egroup}% + \else % at most 9 + \ifnum\paramno<10\relax + \expandafter\xdef\csname\the\macname\endcsname{% + \bgroup\noexpand\macroargctxt + \expandafter\noexpand\csname\the\macname xx\endcsname}% + \expandafter\xdef\csname\the\macname xx\endcsname##1{% + \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% + \expandafter\expandafter + \expandafter\xdef + \expandafter\expandafter + \csname\the\macname xxx\endcsname + \paramlist{% + \egroup + \noexpand\norecurse{\the\macname}% + \noexpand\scanmacro{\temp}\egroup}% + \else % 10 or more: + \expandafter\xdef\csname\the\macname\endcsname{% + \noexpand\getargvals@{\the\macname}{\argl}% + }% + \global\expandafter\let\csname mac.\the\macname .body\endcsname\temp + \global\expandafter\let\csname mac.\the\macname .recurse\endcsname\norecurse + \fi \fi \fi} +\catcode `\@\texiatcatcode\relax + \def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}} % \braceorline decides whether the next nonwhitespace character is a % {. If so it reads up to the closing }, if not, it reads the whole % line. Whatever was read is then fed to the next control sequence -% as an argument (by \parsebrace or \parsearg) -\def\braceorline#1{\let\next=#1\futurelet\nchar\braceorlinexxx} +% as an argument (by \parsebrace or \parsearg). +% +\def\braceorline#1{\let\macnamexxx=#1\futurelet\nchar\braceorlinexxx} \def\braceorlinexxx{% \ifx\nchar\bgroup\else \expandafter\parsearg - \fi \next} - -% We mant to disable all macros during \shipout so that they are not -% expanded by \write. -\def\turnoffmacros{\begingroup \def\do##1{\let\noexpand##1=\relax}% - \edef\next{\macrolist}\expandafter\endgroup\next} + \fi \macnamexxx} % @alias. % We need some trickery to remove the optional spaces around the equal -% sign. Just make them active and then expand them all to nothing. +% sign. Make them active and then expand them all to nothing. +% \def\alias{\parseargusing\obeyspaces\aliasxxx} \def\aliasxxx #1{\aliasyyy#1\relax} \def\aliasyyy #1=#2\relax{% {% \expandafter\let\obeyedspace=\empty + \addtomacrolist{#1}% \xdef\next{\global\let\makecsname{#1}=\makecsname{#2}}% }% \next @@ -5664,25 +7761,34 @@ width0pt\relax} \fi \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{}}, +\def\inforefzzz #1,#2,#3,#4**{% + \putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}}, node \samp{\ignorespaces#1{}}} -% @node's only job in TeX is to define \lastnode, which is used in -% cross-references. -\defparsearg\node{\ENVcheck\nodexxx #1,\finishnodeparse} -\def\nodexxx#1,#2\finishnodeparse{\gdef\lastnode{#1}} +% @node's only job in TeX is to define \lastnode, which is used in +% cross-references. The @node line might or might not have commas, and +% might or might not have spaces before the first comma, like: +% @node foo , bar , ... +% We don't want such trailing spaces in the node name. +% +\parseargdef\node{\checkenv{}\donode #1 ,\finishnodeparse} +% +% also remove a trailing comma, in case of something like this: +% @node Help-Cross, , , Cross-refs +\def\donode#1 ,#2\finishnodeparse{\dodonode #1,\finishnodeparse} +\def\dodonode#1,#2\finishnodeparse{\gdef\lastnode{#1}} + \let\nwnode=\node \let\lastnode=\empty % Write a cross-reference definition for the current node. #1 is the % type (Ynumbered, Yappendix, Ynothing). -% +% \def\donoderef#1{% \ifx\lastnode\empty\else \setref{\lastnode}{#1}% @@ -5694,45 +7800,60 @@ width0pt\relax} \fi % \newcount\savesfregister % -\gdef\savesf{\relax \ifhmode \savesfregister=\spacefactor \fi} -\gdef\restoresf{\relax \ifhmode \spacefactor=\savesfregister \fi} -\gdef\anchor#1{% - \savesf - \setref{#1}{Ynothing}% - \restoresf - \ignorespaces -} +\def\savesf{\relax \ifhmode \savesfregister=\spacefactor \fi} +\def\restoresf{\relax \ifhmode \spacefactor=\savesfregister \fi} +\def\anchor#1{\savesf \setref{#1}{Ynothing}\restoresf \ignorespaces} % \setref{NAME}{SNT} defines a cross-reference point NAME (a node or an % anchor), which consists of three parts: -% 1) NAME-title - the current sectioning name, taken from \thissection; -% 2) NAME-snt - section number and type, defined as the SNT arg; +% 1) NAME-title - the current sectioning name taken from \lastsection, +% or the anchor name. +% 2) NAME-snt - section number and type, passed as the SNT arg, or +% empty for anchors. % 3) NAME-pg - the page number. -% This is called from \donoderef, \anchor, and \dofloat. -% -% We take care not to fully expand the title, since it may contain -% arbitrary macros. % -% Use \turnoffactive so that punctuation chars such as underscore -% and backslash work in node names. +% This is called from \donoderef, \anchor, and \dofloat. In the case of +% floats, there is an additional part, which is not written here: +% 4) NAME-lof - the text as it should appear in a @listoffloats. % \def\setref#1#2{% \pdfmkdest{#1}% \iflinks {% - \turnoffactive + \atdummies % preserve commands, but don't expand them \edef\writexrdef##1##2{% \write\auxfile{@xrdef{#1-% #1 of \setref, expanded by the \edef ##1}{##2}}% these are parameters of \writexrdef }% - \toks0 = \expandafter{\thissection}% + \toks0 = \expandafter{\lastsection}% \immediate \writexrdef{title}{\the\toks0 }% \immediate \writexrdef{snt}{\csname #2\endcsname}% \Ynumbered etc. - \writexrdef{pg}{\folio}% will be written later, during \shipout + \safewhatsit{\writexrdef{pg}{\folio}}% will be written later, at \shipout }% \fi } +% @xrefautosectiontitle on|off says whether @section(ing) names are used +% automatically in xrefs, if the third arg is not explicitly specified. +% This was provided as a "secret" @set xref-automatic-section-title +% variable, now it's official. +% +\parseargdef\xrefautomaticsectiontitle{% + \def\temp{#1}% + \ifx\temp\onword + \expandafter\let\csname SETxref-automatic-section-title\endcsname + = \empty + \else\ifx\temp\offword + \expandafter\let\csname SETxref-automatic-section-title\endcsname + = \relax + \else + \errhelp = \EMsimple + \errmessage{Unknown @xrefautomaticsectiontitle value `\temp', + must be on|off}% + \fi\fi +} + +% % @xref, @pxref, and @ref generate cross-references. For \xrefX, #1 is % the node name, #2 the name of the Info cross-reference, #3 the printed % node name, #4 the name of the Info file, #5 the name of the printed @@ -5741,26 +7862,41 @@ width0pt\relax} \fi \def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]} \def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]} \def\ref#1{\xrefX[#1,,,,,,,]} +% +\newbox\toprefbox +\newbox\printedrefnamebox +\newbox\infofilenamebox +\newbox\printedmanualbox +% \def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup \unsepspaces - \def\printedmanual{\ignorespaces #5}% + % + % Get args without leading/trailing spaces. \def\printedrefname{\ignorespaces #3}% - \setbox1=\hbox{\printedmanual\unskip}% - \setbox0=\hbox{\printedrefname\unskip}% - \ifdim \wd0 = 0pt + \setbox\printedrefnamebox = \hbox{\printedrefname\unskip}% + % + \def\infofilename{\ignorespaces #4}% + \setbox\infofilenamebox = \hbox{\infofilename\unskip}% + % + \def\printedmanual{\ignorespaces #5}% + \setbox\printedmanualbox = \hbox{\printedmanual\unskip}% + % + % If the printed reference name (arg #3) was not explicitly given in + % the @xref, figure out what we want to use. + \ifdim \wd\printedrefnamebox = 0pt % No printed node name was explicitly given. - \expandafter\ifx\csname SETxref-automatic-section-title\endcsname\relax - % Use the node name inside the square brackets. + \expandafter\ifx\csname SETxref-automatic-section-title\endcsname \relax + % Not auto section-title: use node name inside the square brackets. \def\printedrefname{\ignorespaces #1}% \else - % Use the actual chapter/section title appear inside - % the square brackets. Use the real section title if we have it. - \ifdim \wd1 > 0pt - % It is in another manual, so we don't have it. + % Auto section-title: use chapter/section title inside + % the square brackets if we have it. + \ifdim \wd\printedmanualbox > 0pt + % It is in another manual, so we don't have it; use node name. \def\printedrefname{\ignorespaces #1}% \else \ifhavexrefs - % We know the real title if we have the xref values. + % We (should) know the real title if we have the xref values. \def\printedrefname{\refx{#1-title}{}}% \else % Otherwise just copy the Info node name. @@ -5771,74 +7907,135 @@ width0pt\relax} \fi \fi % % Make link in pdf output. - % \ifpdf - \leavevmode - \getfilename{#4}% - {\turnoffactive \otherbackslash + {\indexnofonts + \turnoffactive + \makevalueexpandable + % This expands tokens, so do it after making catcode changes, so _ + % etc. don't get their TeX definitions. This ignores all spaces in + % #4, including (wrongly) those in the middle of the filename. + \getfilename{#4}% + % + % This (wrongly) does not take account of leading or trailing + % spaces in #1, which should be ignored. + \edef\pdfxrefdest{#1}% + \ifx\pdfxrefdest\empty + \def\pdfxrefdest{Top}% no empty targets + \else + \txiescapepdf\pdfxrefdest % escape PDF special chars + \fi + % + \leavevmode + \startlink attr{/Border [0 0 0]}% \ifnum\filenamelength>0 - \startlink attr{/Border [0 0 0]}% - goto file{\the\filename.pdf} name{#1}% + goto file{\the\filename.pdf} name{\pdfxrefdest}% \else - \startlink attr{/Border [0 0 0]}% - goto name{\pdfmkpgn{#1}}% + goto name{\pdfmkpgn{\pdfxrefdest}}% \fi }% - \linkcolor + \setcolor{\linkcolor}% \fi % % Float references are printed completely differently: "Figure 1.2" % instead of "[somenode], p.3". We distinguish them by the % LABEL-title being set to a magic string. - \expandafter\ifx \csname X#1-title\endcsname \floatmagic + {% + % Have to otherify everything special to allow the \csname to + % include an _ in the xref name, etc. + \indexnofonts + \turnoffactive + \expandafter\global\expandafter\let\expandafter\Xthisreftitle + \csname XR#1-title\endcsname + }% + \iffloat\Xthisreftitle % If the user specified the print name (third arg) to the ref, % print it instead of our usual "Figure 1.2". - \ifdim\wd0 = 0pt - \refx{#1-snt}% + \ifdim\wd\printedrefnamebox = 0pt + \refx{#1-snt}{}% \else \printedrefname \fi % - % if the user also gave the printed manual name (fifth arg), append - % "in MANUALNAME". - \ifdim \wd1 > 0pt + % If the user also gave the printed manual name (fifth arg), append + % "in MANUALNAME". + \ifdim \wd\printedmanualbox > 0pt \space \putwordin{} \cite{\printedmanual}% \fi \else - % - % If we use \unhbox0 and \unhbox1 to print the node names, TeX does not - % insert empty discretionaries after hyphens, which means that it will - % not find a line break at a hyphen in a node names. Since some manuals - % are best written with fairly long node names, containing hyphens, this - % is a loss. Therefore, we give the text of the node name again, so it - % is as if TeX is seeing it for the first time. - \ifdim \wd1 > 0pt - \putwordsection{} ``\printedrefname'' \putwordin{} \cite{\printedmanual}% - \else - % _ (for example) has to be the character _ for the purposes of the - % control sequence corresponding to the node, but it has to expand - % into the usual \leavevmode...\vrule stuff for purposes of - % printing. So we \turnoffactive for the \refx-snt, back on for the - % printing, back off for the \refx-pg. - {\turnoffactive \otherbackslash - % Only output a following space if the -snt ref is nonempty; for - % @unnumbered and @anchor, it won't be. - \setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}% - \ifdim \wd2 > 0pt \refx{#1-snt}\space\fi - }% - % output the `[mynode]' via a macro. - \xrefprintnodename\printedrefname + % node/anchor (non-float) references. + % + % If we use \unhbox to print the node names, TeX does not insert + % empty discretionaries after hyphens, which means that it will not + % find a line break at a hyphen in a node names. Since some manuals + % are best written with fairly long node names, containing hyphens, + % this is a loss. Therefore, we give the text of the node name + % again, so it is as if TeX is seeing it for the first time. + % + \ifdim \wd\printedmanualbox > 0pt + % Cross-manual reference with a printed manual name. + % + \crossmanualxref{\cite{\printedmanual\unskip}}% % - % But we always want a comma and a space: - ,\space + \else\ifdim \wd\infofilenamebox > 0pt + % Cross-manual reference with only an info filename (arg 4), no + % printed manual name (arg 5). This is essentially the same as + % the case above; we output the filename, since we have nothing else. + % + \crossmanualxref{\code{\infofilename\unskip}}% % - % output the `page 3'. - \turnoffactive \otherbackslash \putwordpage\tie\refx{#1-pg}{}% + \else + % Reference within this manual. + % + % _ (for example) has to be the character _ for the purposes of the + % control sequence corresponding to the node, but it has to expand + % into the usual \leavevmode...\vrule stuff for purposes of + % printing. So we \turnoffactive for the \refx-snt, back on for the + % printing, back off for the \refx-pg. + {\turnoffactive + % Only output a following space if the -snt ref is nonempty; for + % @unnumbered and @anchor, it won't be. + \setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}% + \ifdim \wd2 > 0pt \refx{#1-snt}\space\fi + }% + % output the `[mynode]' via the macro below so it can be overridden. + \xrefprintnodename\printedrefname + % + % But we always want a comma and a space: + ,\space + % + % output the `page 3'. + \turnoffactive \putwordpage\tie\refx{#1-pg}{}% + \fi\fi \fi \endlink - \fi \endgroup} +% Output a cross-manual xref to #1. Used just above (twice). +% +% Only include the text "Section ``foo'' in" if the foo is neither +% missing or Top. Thus, @xref{,,,foo,The Foo Manual} outputs simply +% "see The Foo Manual", the idea being to refer to the whole manual. +% +% But, this being TeX, we can't easily compare our node name against the +% string "Top" while ignoring the possible spaces before and after in +% the input. By adding the arbitrary 7sp below, we make it much less +% likely that a real node name would have the same width as "Top" (e.g., +% in a monospaced font). Hopefully it will never happen in practice. +% +% For the same basic reason, we retypeset the "Top" at every +% reference, since the current font is indeterminate. +% +\def\crossmanualxref#1{% + \setbox\toprefbox = \hbox{Top\kern7sp}% + \setbox2 = \hbox{\ignorespaces \printedrefname \unskip \kern7sp}% + \ifdim \wd2 > 7sp % nonempty? + \ifdim \wd2 = \wd\toprefbox \else % same as Top? + \putwordSection{} ``\printedrefname'' \putwordin{}\space + \fi + \fi + #1% +} + % This macro is called from \xrefX for the `[nodename]' part of xref % output. It's a separate macro only so it can be changed more easily, % since square brackets don't work well in some documents. Particularly @@ -5882,14 +8079,15 @@ width0pt\relax} \fi \indexnofonts \otherbackslash \expandafter\global\expandafter\let\expandafter\thisrefX - \csname X#1\endcsname + \csname XR#1\endcsname }% \ifx\thisrefX\relax % If not defined, say something at least. \angleleft un\-de\-fined\angleright \iflinks \ifhavexrefs - \message{\linenumber Undefined cross reference `#1'.}% + {\toks0 = {#1}% avoid expansion of possibly-complex value + \message{\linenumber Undefined cross reference `\the\toks0'.}}% \else \ifwarnedxrefs\else \global\warnedxrefstrue @@ -5904,14 +8102,54 @@ width0pt\relax} \fi #2% Output the suffix in any case. } -% This is the macro invoked by entries in the aux file. +% This is the macro invoked by entries in the aux file. Usually it's +% just a \def (we prepend XR to the control sequence name to avoid +% collisions). But if this is a float type, we have more work to do. % -\def\xrdef#1{\expandafter\gdef\csname X#1\endcsname} +\def\xrdef#1#2{% + {% The node name might contain 8-bit characters, which in our current + % implementation are changed to commands like @'e. Don't let these + % mess up the control sequence name. + \indexnofonts + \turnoffactive + \xdef\safexrefname{#1}% + }% + % + \expandafter\gdef\csname XR\safexrefname\endcsname{#2}% remember this xref + % + % Was that xref control sequence that we just defined for a float? + \expandafter\iffloat\csname XR\safexrefname\endcsname + % it was a float, and we have the (safe) float type in \iffloattype. + \expandafter\let\expandafter\floatlist + \csname floatlist\iffloattype\endcsname + % + % Is this the first time we've seen this float type? + \expandafter\ifx\floatlist\relax + \toks0 = {\do}% yes, so just \do + \else + % had it before, so preserve previous elements in list. + \toks0 = \expandafter{\floatlist\do}% + \fi + % + % Remember this xref in the control sequence \floatlistFLOATTYPE, + % for later use in \listoffloats. + \expandafter\xdef\csname floatlist\iffloattype\endcsname{\the\toks0 + {\safexrefname}}% + \fi +} % Read the last existing aux file, if any. No error if none exists. -% Open the new one. -% -\def\readauxfile{\begingroup +% +\def\tryauxfile{% + \openin 1 \jobname.aux + \ifeof 1 \else + \readdatafile{aux}% + \global\havexrefstrue + \fi + \closein 1 +} + +\def\setupdatafile{% \catcode`\^^@=\other \catcode`\^^A=\other \catcode`\^^B=\other @@ -5969,38 +8207,35 @@ width0pt\relax} \fi \catcode`\%=\other \catcode`+=\other % avoid \+ for paranoia even though we've turned it off % - % Make the characters 128-255 be printing characters + % This is to support \ in node names and titles, since the \ + % characters end up in a \csname. It's easier than + % leaving it active and making its active definition an actual \ + % character. What I don't understand is why it works in the *value* + % of the xrdef. Seems like it should be a catcode12 \, and that + % should not typeset properly. But it works, so I'm moving on for + % now. --karl, 15jan04. + \catcode`\\=\other + % + % Make the characters 128-255 be printing characters. {% - \count 1=128 + \count1=128 \def\loop{% - \catcode\count 1=\other - \advance\count 1 by 1 - \ifnum \count 1<256 \loop \fi + \catcode\count1=\other + \advance\count1 by 1 + \ifnum \count1<256 \loop \fi }% }% % - % Turn off \ as an escape so we do not lose on - % entries which were dumped with control sequences in their names. - % For example, @xrdef{$\leq $-fun}{page ...} made by @defun ^^ - % Reference to such entries still does not work the way one would wish, - % but at least they do not bomb out when the aux file is read in. - \catcode`\\=\other - % - % @ is our escape character in .aux files. + % @ is our escape character in .aux files, and we need braces. \catcode`\{=1 \catcode`\}=2 \catcode`\@=0 - % - \openin 1 \jobname.aux - \ifeof 1 \else - \closein 1 - \input \jobname.aux - \global\havexrefstrue - \fi - % Open the new aux file right away (otherwise the \immediate's in - % \setref cause spurious terminal output). TeX will close it - % automatically at exit. - \immediate\openout\auxfile=\jobname.aux +} + +\def\readdatafile#1{% +\begingroup + \setupdatafile + \input\jobname.#1 \endgroup} @@ -6016,7 +8251,7 @@ width0pt\relax} \fi % space to prevent strange expansion errors.) \def\supereject{\par\penalty -20000\footnoteno =0 } -% @footnotestyle is meaningful for info output only. +% @footnotestyle is meaningful for Info output only. \let\footnotestyle=\comment {\catcode `\@=11 @@ -6079,6 +8314,8 @@ width0pt\relax} \fi % expands into a box, it must come within the paragraph, lest it % provide a place where TeX can split the footnote. \footstrut + % + % Invoke rest of plain TeX footnote routine. \futurelet\next\fo@t } }%end \catcode `\@=11 @@ -6086,7 +8323,7 @@ width0pt\relax} \fi % In case a @footnote appears in a vbox, save the footnote text and create % the real \insert just after the vbox finished. Otherwise, the insertion % would be lost. -% Similarily, if a @footnote appears inside an alignment, save the footnote +% Similarly, if a @footnote appears inside an alignment, save the footnote % text to a box and make the \insert when a row of the table is finished. % And the same can be done for other insert classes. --kasal, 16nov03. @@ -6102,8 +8339,8 @@ width0pt\relax} \fi \fi } -% This \insert replacements works for both \insert\footins{xx} and -% \insert\footins\bgroup xx\egroup, but it doesn't work for \insert27{xx}. +% This \insert replacement works for both \insert\footins{foo} and +% \insert\footins\bgroup foo\egroup, but it doesn't work for \insert27{foo}. % \def\saveinsert#1{% \edef\next{\noexpand\savetobox \makeSAVEname#1}% @@ -6133,9 +8370,9 @@ width0pt\relax} \fi \next } \def\newsaveinsX #1{% - \csname newbox\endcsname #1% \newbox cannot be pronounced, as it is outer + \csname newbox\endcsname #1% \expandafter\def\expandafter\checkinserts\expandafter{\checkinserts - \checksaveins#1}% + \checksaveins #1}% } % initialize: @@ -6152,12 +8389,12 @@ width0pt\relax} \fi % undone and the next image would fail. \openin 1 = epsf.tex \ifeof 1 \else - \closein 1 % Do not bother showing banner with epsf.tex v2.7k (available in % doc/epsf.tex and on ctan). \def\epsfannounce{\toks0 = }% \input epsf.tex \fi +\closein 1 % % We will only complain once about lack of epsf.tex. \newif\ifwarnednoepsf @@ -6166,7 +8403,7 @@ width0pt\relax} \fi it from ftp://tug.org/tex/epsf.tex.} % \def\image#1{% - \ifx\epsfbox\undefined + \ifx\epsfbox\thisisundefined \ifwarnednoepsf \else \errhelp = \noepsfhelp \errmessage{epsf.tex not found, images will be ignored}% @@ -6182,7 +8419,7 @@ width0pt\relax} \fi % #2 is (optional) width, #3 is (optional) height. % #4 is (ignored optional) html alt text. % #5 is (ignored optional) extension. -% #6 is just the usual extra ignored arg for parsing this stuff. +% #6 is just the usual extra ignored arg for parsing stuff. \newif\ifimagevmode \def\imagexxx#1,#2,#3,#4,#5,#6\finish{\begingroup \catcode`\^^M = 5 % in case we're inside an example @@ -6190,15 +8427,30 @@ width0pt\relax} \fi % If the image is by itself, center it. \ifvmode \imagevmodetrue - \nobreak\bigskip + \else \ifx\centersub\centerV + % for @center @image, we need a vbox so we can have our vertical space + \imagevmodetrue + \vbox\bgroup % vbox has better behavior than vtop herev + \fi\fi + % + \ifimagevmode + \nobreak\medskip % Usually we'll have text after the image which will insert % \parskip glue, so insert it here too to equalize the space % above and below. \nobreak\vskip\parskip \nobreak - \line\bgroup\hss \fi % + % Leave vertical mode so that indentation from an enclosing + % environment such as @quotation is respected. + % However, if we're at the top level, we don't want the + % normal paragraph indentation. + % On the other hand, if we are in the case of @center @image, we don't + % want to start a paragraph, which will create a hsize-width box and + % eradicate the centering. + \ifx\centersub\centerV\else \noindent \fi + % % Output the image. \ifpdf \dopdfimage{#1}{#2}{#3}% @@ -6209,164 +8461,1181 @@ width0pt\relax} \fi \epsfbox{#1.eps}% \fi % - \ifimagevmode \hss \egroup \bigbreak \fi % space after the image + \ifimagevmode + \medskip % space after a standalone image + \fi + \ifx\centersub\centerV \egroup \fi \endgroup} -% @float FLOATTYPE,LOC ... @end float for displayed figures, tables, etc. -% We don't actually implement floating yet, we just plop the float "here". -% But it seemed the best name for the future. -% -\def\float{\parsearg\parsefloat} -\def\parsefloat#1{\dofloat #1,,,\finish} +% @float FLOATTYPE,LABEL,LOC ... @end float for displayed figures, tables, +% etc. We don't actually implement floating yet, we always include the +% float "here". But it seemed the best name for the future. +% +\envparseargdef\float{\eatcommaspace\eatcommaspace\dofloat#1, , ,\finish} + +% There may be a space before second and/or third parameter; delete it. +\def\eatcommaspace#1, {#1,} % #1 is the optional FLOATTYPE, the text label for this float, typically % "Figure", "Table", "Example", etc. Can't contain commas. If omitted, % this float will not be numbered and cannot be referred to. -% +% % #2 is the optional xref label. Also must be present for the float to % be referable. -% +% % #3 is the optional positioning argument; for now, it is ignored. It % will somehow specify the positions allowed to float to (here, top, bottom). -% +% % We keep a separate counter for each FLOATTYPE, which we reset at each % chapter-level command. \let\resetallfloatnos=\empty % -\def\dofloat#1,#2,#3,#4\finish{\vtop\bgroup - \def\floattype{#1}% - \def\floatlabel{#2}% - \def\floatloc{#3}% we do nothing with this yet. - % xx should we indent the whole thing? center it? - % - % allow @[short]caption now. +\def\dofloat#1,#2,#3,#4\finish{% \let\thiscaption=\empty - \def\caption##1{\def\thiscaption{##1}}% - % \let\thisshortcaption=\empty - \def\shortcaption##1{\def\thisshortcaption{##1}}% - % - \ifx\floattype\empty \else - % For now, assume the FLOATTYPE is entirely letters, so we just use it - % in a control sequence name literally. We want each FLOATTYPE to be - % numbered separately (Figure 1, Table 1, Figure 2, ...). - \expandafter\let\expandafter\floatno\csname\floattype floatno\endcsname - \ifx\floatno\relax - % Haven't seen this figure type before, so need to define - % the counter for it, and then redefine \floatno. - \expandafter\innernewcount\csname\floattype floatno\endcsname - \expandafter\let\expandafter\floatno\csname\floattype floatno\endcsname - % - % Remember to reset this floatno at the next chap. - \toks0 = \expandafter{\resetallfloatnos}% - \xdef\resetallfloatnos{\the\toks0 \makecsname{\floattype floatno}=0 }% + % + % don't lose footnotes inside @float. + % + % BEWARE: when the floats start float, we have to issue warning whenever an + % insert appears inside a float which could possibly float. --kasal, 26may04 + % + \startsavinginserts + % + % We can't be used inside a paragraph. + \par + % + \vtop\bgroup + \def\floattype{#1}% + \def\floatlabel{#2}% + \def\floatloc{#3}% we do nothing with this yet. + % + \ifx\floattype\empty + \let\safefloattype=\empty + \else + {% + % the floattype might have accents or other special characters, + % but we need to use it in a control sequence name. + \indexnofonts + \turnoffactive + \xdef\safefloattype{\floattype}% + }% \fi - \global\advance\floatno by 1 % + % If label is given but no type, we handle that as the empty type. \ifx\floatlabel\empty \else + % We want each FLOATTYPE to be numbered separately (Figure 1, + % Table 1, Figure 2, ...). (And if no label, no number.) + % + \expandafter\getfloatno\csname\safefloattype floatno\endcsname + \global\advance\floatno by 1 + % {% - % This magic value for \thissection is output by \setref as the + % This magic value for \lastsection is output by \setref as the % XREFLABEL-title value. \xrefX uses it to distinguish float % labels (which have a completely different output format) from - % nodes and xref labels. - % - \let\thissection=\floatmagic + % node and anchor labels. And \xrdef uses it to construct the + % lists of floats. + % + \edef\lastsection{\floatmagic=\safefloattype}% \setref{\floatlabel}{Yfloat}% }% \fi - \fi - % - \def\Efloat{% - % we have four possibilities: - % @float Foo & @caption{Cap}: Foo 1.1: Cap - % @float Foo & no caption: Foo 1.1 - % @float & @caption{cap}: Cap - % @float & no caption: % - \let\printedsomething = \empty + % start with \parskip glue, I guess. + \vskip\parskip % - \ifx\floattype\empty \else - \vskip.5\parskip % space above caption - % - % Print the float number preceded by the chapter-level number - % (empty in the case of unnumbered). Although there are other - % styles of float numbering, we hardwire this one. - \floattype\space\chaplevelprefix\the\floatno - \let\printedsomething = t% + % Don't suppress indentation if a float happens to start a section. + \restorefirstparagraphindent +} + +% we have these possibilities: +% @float Foo,lbl & @caption{Cap}: Foo 1.1: Cap +% @float Foo,lbl & no caption: Foo 1.1 +% @float Foo & @caption{Cap}: Foo: Cap +% @float Foo & no caption: Foo +% @float ,lbl & Caption{Cap}: 1.1: Cap +% @float ,lbl & no caption: 1.1 +% @float & @caption{Cap}: Cap +% @float & no caption: +% +\def\Efloat{% + \let\floatident = \empty + % + % In all cases, if we have a float type, it comes first. + \ifx\floattype\empty \else \def\floatident{\floattype}\fi + % + % If we have an xref label, the number comes next. + \ifx\floatlabel\empty \else + \ifx\floattype\empty \else % if also had float type, need tie first. + \appendtomacro\floatident{\tie}% + \fi + % the number. + \appendtomacro\floatident{\chaplevelprefix\the\floatno}% \fi % + % Start the printed caption with what we've constructed in + % \floatident, but keep it separate; we need \floatident again. + \let\captionline = \floatident + % \ifx\thiscaption\empty \else - \ifx\printedsomething\empty - \vskip.5\parskip % space above caption - \else - :\space % had a number, so print a colon. + \ifx\floatident\empty \else + \appendtomacro\captionline{: }% had ident, so need a colon between \fi % - % Print caption text. - \thiscaption - \let\printedsomething = t% + % caption text. + \appendtomacro\captionline{\scanexp\thiscaption}% \fi % - % Space below caption, if we printed anything. - \ifx\printedsomething\empty \else \vskip\parskip \fi + % If we have anything to print, print it, with space before. + % Eventually this needs to become an \insert. + \ifx\captionline\empty \else + \vskip.5\parskip + \captionline + % + % Space below caption. + \vskip\parskip + \fi % - \egroup % end of \vtop - }% + % If have an xref label, write the list of floats info. Do this + % after the caption, to avoid chance of it being a breakpoint. + \ifx\floatlabel\empty \else + % Write the text that goes in the lof to the aux file as + % \floatlabel-lof. Besides \floatident, we include the short + % caption if specified, else the full caption if specified, else nothing. + {% + \atdummies + % + % since we read the caption text in the macro world, where ^^M + % is turned into a normal character, we have to scan it back, so + % we don't write the literal three characters "^^M" into the aux file. + \scanexp{% + \xdef\noexpand\gtemp{% + \ifx\thisshortcaption\empty + \thiscaption + \else + \thisshortcaption + \fi + }% + }% + \immediate\write\auxfile{@xrdef{\floatlabel-lof}{\floatident + \ifx\gtemp\empty \else : \gtemp \fi}}% + }% + \fi + \egroup % end of \vtop + % + % place the captured inserts + % + % BEWARE: when the floats start floating, we have to issue warning + % whenever an insert appears inside a float which could possibly + % float. --kasal, 26may04 + % + \checkinserts +} + +% Append the tokens #2 to the definition of macro #1, not expanding either. +% +\def\appendtomacro#1#2{% + \expandafter\def\expandafter#1\expandafter{#1#2}% +} + +% @caption, @shortcaption +% +\def\caption{\docaption\thiscaption} +\def\shortcaption{\docaption\thisshortcaption} +\def\docaption{\checkenv\float \bgroup\scanargctxt\defcaption} +\def\defcaption#1#2{\egroup \def#1{#2}} + +% The parameter is the control sequence identifying the counter we are +% going to use. Create it if it doesn't exist and assign it to \floatno. +\def\getfloatno#1{% + \ifx#1\relax + % Haven't seen this figure type before. + \csname newcount\endcsname #1% + % + % Remember to reset this floatno at the next chap. + \expandafter\gdef\expandafter\resetallfloatnos + \expandafter{\resetallfloatnos #1=0 }% + \fi + \let\floatno#1% } % \setref calls this to get the XREFLABEL-snt value. We want an @xref % to the FLOATLABEL to expand to "Figure 3.1". We call \setref when we % first read the @float command. -% -\def\Yfloat{\floattype @tie{}\chaplevelprefix\the\floatno}% +% +\def\Yfloat{\floattype@tie \chaplevelprefix\the\floatno}% +% Magic string used for the XREFLABEL-title value, so \xrefX can +% distinguish floats from other xref types. \def\floatmagic{!!float!!} +% #1 is the control sequence we are passed; we expand into a conditional +% which is true if #1 represents a float ref. That is, the magic +% \lastsection value which we \setref above. +% +\def\iffloat#1{\expandafter\doiffloat#1==\finish} +% +% #1 is (maybe) the \floatmagic string. If so, #2 will be the +% (safe) float type for this float. We set \iffloattype to #2. +% +\def\doiffloat#1=#2=#3\finish{% + \def\temp{#1}% + \def\iffloattype{#2}% + \ifx\temp\floatmagic +} + % @listoffloats FLOATTYPE - print a list of floats like a table of contents. -\def\listoffloats{\parsearg\dolistoffloats} -\def\dolistoffloats#1{%xx +% +\parseargdef\listoffloats{% + \def\floattype{#1}% floattype + {% + % the floattype might have accents or other special characters, + % but we need to use it in a control sequence name. + \indexnofonts + \turnoffactive + \xdef\safefloattype{\floattype}% + }% + % + % \xrdef saves the floats as a \do-list in \floatlistSAFEFLOATTYPE. + \expandafter\ifx\csname floatlist\safefloattype\endcsname \relax + \ifhavexrefs + % if the user said @listoffloats foo but never @float foo. + \message{\linenumber No `\safefloattype' floats to list.}% + \fi + \else + \begingroup + \leftskip=\tocindent % indent these entries like a toc + \let\do=\listoffloatsdo + \csname floatlist\safefloattype\endcsname + \endgroup + \fi } -% Default definitions. -\def\caption{\errmessage{@caption while not in @float environment}} -\def\shortcaption{\errmessage{@shortcaption while not in @float environment}} +% This is called on each entry in a list of floats. We're passed the +% xref label, in the form LABEL-title, which is how we save it in the +% aux file. We strip off the -title and look up \XRLABEL-lof, which +% has the text we're supposed to typeset here. +% +% Figures without xref labels will not be included in the list (since +% they won't appear in the aux file). +% +\def\listoffloatsdo#1{\listoffloatsdoentry#1\finish} +\def\listoffloatsdoentry#1-title\finish{{% + % Can't fully expand XR#1-lof because it can contain anything. Just + % pass the control sequence. On the other hand, XR#1-pg is just the + % page number, and we want to fully expand that so we can get a link + % in pdf output. + \toksA = \expandafter{\csname XR#1-lof\endcsname}% + % + % use the same \entry macro we use to generate the TOC and index. + \edef\writeentry{\noexpand\entry{\the\toksA}{\csname XR#1-pg\endcsname}}% + \writeentry +}} \message{localization,} -% and i18n. -% @documentlanguage is usually given very early, just after -% @setfilename. If done too late, it may not override everything -% properly. Single argument is the language abbreviation. -% It would be nice if we could set up a hyphenation file here. +% For single-language documents, @documentlanguage is usually given very +% early, just after @documentencoding. Single argument is the language +% (de) or locale (de_DE) abbreviation. % -\defparsearg\documentlanguage{% +{ + \catcode`\_ = \active + \globaldefs=1 +\parseargdef\documentlanguage{\begingroup + \let_=\normalunderscore % normal _ character for filenames \tex % read txi-??.tex file in plain TeX. - % Read the file if it exists. + % Read the file by the name they passed if it exists. + \openin 1 txi-#1.tex + \ifeof 1 + \documentlanguagetrywithoutunderscore{#1_\finish}% + \else + \globaldefs = 1 % everything in the txi-LL files needs to persist + \input txi-#1.tex + \fi + \closein 1 + \endgroup % end raw TeX +\endgroup} +% +% If they passed de_DE, and txi-de_DE.tex doesn't exist, +% try txi-de.tex. +% +\gdef\documentlanguagetrywithoutunderscore#1_#2\finish{% \openin 1 txi-#1.tex - \ifeof1 + \ifeof 1 \errhelp = \nolanghelp \errmessage{Cannot read language file txi-#1.tex}% - \let\temp = \relax \else - \def\temp{\input txi-#1.tex }% + \globaldefs = 1 % everything in the txi-LL files needs to persist + \input txi-#1.tex \fi - \temp - \endgroup + \closein 1 } +}% end of special _ catcode +% \newhelp\nolanghelp{The given language definition file cannot be found or -is empty. Maybe you need to install it? In the current directory -should work if nowhere else does.} +is empty. Maybe you need to install it? Putting it in the current +directory should work if nowhere else does.} +% This macro is called from txi-??.tex files; the first argument is the +% \language name to set (without the "\lang@" prefix), the second and +% third args are \{left,right}hyphenmin. +% +% The language names to pass are determined when the format is built. +% See the etex.log file created at that time, e.g., +% /usr/local/texlive/2008/texmf-var/web2c/pdftex/etex.log. +% +% With TeX Live 2008, etex now includes hyphenation patterns for all +% available languages. This means we can support hyphenation in +% Texinfo, at least to some extent. (This still doesn't solve the +% accented characters problem.) +% +\catcode`@=11 +\def\txisetlanguage#1#2#3{% + % do not set the language if the name is undefined in the current TeX. + \expandafter\ifx\csname lang@#1\endcsname \relax + \message{no patterns for #1}% + \else + \global\language = \csname lang@#1\endcsname + \fi + % but there is no harm in adjusting the hyphenmin values regardless. + \global\lefthyphenmin = #2\relax + \global\righthyphenmin = #3\relax +} -% @documentencoding should change something in TeX eventually, most -% likely, but for now just recognize it. -\let\documentencoding = \comment +% Helpers for encodings. +% Set the catcode of characters 128 through 255 to the specified number. +% +\def\setnonasciicharscatcode#1{% + \count255=128 + \loop\ifnum\count255<256 + \global\catcode\count255=#1\relax + \advance\count255 by 1 + \repeat +} +\def\setnonasciicharscatcodenonglobal#1{% + \count255=128 + \loop\ifnum\count255<256 + \catcode\count255=#1\relax + \advance\count255 by 1 + \repeat +} -% Page size parameters. +% @documentencoding sets the definition of non-ASCII characters +% according to the specified encoding. % +\parseargdef\documentencoding{% + % Encoding being declared for the document. + \def\declaredencoding{\csname #1.enc\endcsname}% + % + % Supported encodings: names converted to tokens in order to be able + % to compare them with \ifx. + \def\ascii{\csname US-ASCII.enc\endcsname}% + \def\latnine{\csname ISO-8859-15.enc\endcsname}% + \def\latone{\csname ISO-8859-1.enc\endcsname}% + \def\lattwo{\csname ISO-8859-2.enc\endcsname}% + \def\utfeight{\csname UTF-8.enc\endcsname}% + % + \ifx \declaredencoding \ascii + \asciichardefs + % + \else \ifx \declaredencoding \lattwo + \setnonasciicharscatcode\active + \lattwochardefs + % + \else \ifx \declaredencoding \latone + \setnonasciicharscatcode\active + \latonechardefs + % + \else \ifx \declaredencoding \latnine + \setnonasciicharscatcode\active + \latninechardefs + % + \else \ifx \declaredencoding \utfeight + \setnonasciicharscatcode\active + \utfeightchardefs + % + \else + \message{Unknown document encoding #1, ignoring.}% + % + \fi % utfeight + \fi % latnine + \fi % latone + \fi % lattwo + \fi % ascii +} + +% A message to be logged when using a character that isn't available +% the default font encoding (OT1). +% +\def\missingcharmsg#1{\message{Character missing in OT1 encoding: #1.}} + +% Take account of \c (plain) vs. \, (Texinfo) difference. +\def\cedilla#1{\ifx\c\ptexc\c{#1}\else\,{#1}\fi} + +% First, make active non-ASCII characters in order for them to be +% correctly categorized when TeX reads the replacement text of +% macros containing the character definitions. +\setnonasciicharscatcode\active +% +% Latin1 (ISO-8859-1) character definitions. +\def\latonechardefs{% + \gdef^^a0{\tie} + \gdef^^a1{\exclamdown} + \gdef^^a2{\missingcharmsg{CENT SIGN}} + \gdef^^a3{{\pounds}} + \gdef^^a4{\missingcharmsg{CURRENCY SIGN}} + \gdef^^a5{\missingcharmsg{YEN SIGN}} + \gdef^^a6{\missingcharmsg{BROKEN BAR}} + \gdef^^a7{\S} + \gdef^^a8{\"{}} + \gdef^^a9{\copyright} + \gdef^^aa{\ordf} + \gdef^^ab{\guillemetleft} + \gdef^^ac{$\lnot$} + \gdef^^ad{\-} + \gdef^^ae{\registeredsymbol} + \gdef^^af{\={}} + % + \gdef^^b0{\textdegree} + \gdef^^b1{$\pm$} + \gdef^^b2{$^2$} + \gdef^^b3{$^3$} + \gdef^^b4{\'{}} + \gdef^^b5{$\mu$} + \gdef^^b6{\P} + % + \gdef^^b7{$^.$} + \gdef^^b8{\cedilla\ } + \gdef^^b9{$^1$} + \gdef^^ba{\ordm} + % + \gdef^^bb{\guillemetright} + \gdef^^bc{$1\over4$} + \gdef^^bd{$1\over2$} + \gdef^^be{$3\over4$} + \gdef^^bf{\questiondown} + % + \gdef^^c0{\`A} + \gdef^^c1{\'A} + \gdef^^c2{\^A} + \gdef^^c3{\~A} + \gdef^^c4{\"A} + \gdef^^c5{\ringaccent A} + \gdef^^c6{\AE} + \gdef^^c7{\cedilla C} + \gdef^^c8{\`E} + \gdef^^c9{\'E} + \gdef^^ca{\^E} + \gdef^^cb{\"E} + \gdef^^cc{\`I} + \gdef^^cd{\'I} + \gdef^^ce{\^I} + \gdef^^cf{\"I} + % + \gdef^^d0{\DH} + \gdef^^d1{\~N} + \gdef^^d2{\`O} + \gdef^^d3{\'O} + \gdef^^d4{\^O} + \gdef^^d5{\~O} + \gdef^^d6{\"O} + \gdef^^d7{$\times$} + \gdef^^d8{\O} + \gdef^^d9{\`U} + \gdef^^da{\'U} + \gdef^^db{\^U} + \gdef^^dc{\"U} + \gdef^^dd{\'Y} + \gdef^^de{\TH} + \gdef^^df{\ss} + % + \gdef^^e0{\`a} + \gdef^^e1{\'a} + \gdef^^e2{\^a} + \gdef^^e3{\~a} + \gdef^^e4{\"a} + \gdef^^e5{\ringaccent a} + \gdef^^e6{\ae} + \gdef^^e7{\cedilla c} + \gdef^^e8{\`e} + \gdef^^e9{\'e} + \gdef^^ea{\^e} + \gdef^^eb{\"e} + \gdef^^ec{\`{\dotless i}} + \gdef^^ed{\'{\dotless i}} + \gdef^^ee{\^{\dotless i}} + \gdef^^ef{\"{\dotless i}} + % + \gdef^^f0{\dh} + \gdef^^f1{\~n} + \gdef^^f2{\`o} + \gdef^^f3{\'o} + \gdef^^f4{\^o} + \gdef^^f5{\~o} + \gdef^^f6{\"o} + \gdef^^f7{$\div$} + \gdef^^f8{\o} + \gdef^^f9{\`u} + \gdef^^fa{\'u} + \gdef^^fb{\^u} + \gdef^^fc{\"u} + \gdef^^fd{\'y} + \gdef^^fe{\th} + \gdef^^ff{\"y} +} + +% Latin9 (ISO-8859-15) encoding character definitions. +\def\latninechardefs{% + % Encoding is almost identical to Latin1. + \latonechardefs + % + \gdef^^a4{\euro} + \gdef^^a6{\v S} + \gdef^^a8{\v s} + \gdef^^b4{\v Z} + \gdef^^b8{\v z} + \gdef^^bc{\OE} + \gdef^^bd{\oe} + \gdef^^be{\"Y} +} + +% Latin2 (ISO-8859-2) character definitions. +\def\lattwochardefs{% + \gdef^^a0{\tie} + \gdef^^a1{\ogonek{A}} + \gdef^^a2{\u{}} + \gdef^^a3{\L} + \gdef^^a4{\missingcharmsg{CURRENCY SIGN}} + \gdef^^a5{\v L} + \gdef^^a6{\'S} + \gdef^^a7{\S} + \gdef^^a8{\"{}} + \gdef^^a9{\v S} + \gdef^^aa{\cedilla S} + \gdef^^ab{\v T} + \gdef^^ac{\'Z} + \gdef^^ad{\-} + \gdef^^ae{\v Z} + \gdef^^af{\dotaccent Z} + % + \gdef^^b0{\textdegree} + \gdef^^b1{\ogonek{a}} + \gdef^^b2{\ogonek{ }} + \gdef^^b3{\l} + \gdef^^b4{\'{}} + \gdef^^b5{\v l} + \gdef^^b6{\'s} + \gdef^^b7{\v{}} + \gdef^^b8{\cedilla\ } + \gdef^^b9{\v s} + \gdef^^ba{\cedilla s} + \gdef^^bb{\v t} + \gdef^^bc{\'z} + \gdef^^bd{\H{}} + \gdef^^be{\v z} + \gdef^^bf{\dotaccent z} + % + \gdef^^c0{\'R} + \gdef^^c1{\'A} + \gdef^^c2{\^A} + \gdef^^c3{\u A} + \gdef^^c4{\"A} + \gdef^^c5{\'L} + \gdef^^c6{\'C} + \gdef^^c7{\cedilla C} + \gdef^^c8{\v C} + \gdef^^c9{\'E} + \gdef^^ca{\ogonek{E}} + \gdef^^cb{\"E} + \gdef^^cc{\v E} + \gdef^^cd{\'I} + \gdef^^ce{\^I} + \gdef^^cf{\v D} + % + \gdef^^d0{\DH} + \gdef^^d1{\'N} + \gdef^^d2{\v N} + \gdef^^d3{\'O} + \gdef^^d4{\^O} + \gdef^^d5{\H O} + \gdef^^d6{\"O} + \gdef^^d7{$\times$} + \gdef^^d8{\v R} + \gdef^^d9{\ringaccent U} + \gdef^^da{\'U} + \gdef^^db{\H U} + \gdef^^dc{\"U} + \gdef^^dd{\'Y} + \gdef^^de{\cedilla T} + \gdef^^df{\ss} + % + \gdef^^e0{\'r} + \gdef^^e1{\'a} + \gdef^^e2{\^a} + \gdef^^e3{\u a} + \gdef^^e4{\"a} + \gdef^^e5{\'l} + \gdef^^e6{\'c} + \gdef^^e7{\cedilla c} + \gdef^^e8{\v c} + \gdef^^e9{\'e} + \gdef^^ea{\ogonek{e}} + \gdef^^eb{\"e} + \gdef^^ec{\v e} + \gdef^^ed{\'{\dotless{i}}} + \gdef^^ee{\^{\dotless{i}}} + \gdef^^ef{\v d} + % + \gdef^^f0{\dh} + \gdef^^f1{\'n} + \gdef^^f2{\v n} + \gdef^^f3{\'o} + \gdef^^f4{\^o} + \gdef^^f5{\H o} + \gdef^^f6{\"o} + \gdef^^f7{$\div$} + \gdef^^f8{\v r} + \gdef^^f9{\ringaccent u} + \gdef^^fa{\'u} + \gdef^^fb{\H u} + \gdef^^fc{\"u} + \gdef^^fd{\'y} + \gdef^^fe{\cedilla t} + \gdef^^ff{\dotaccent{}} +} + +% UTF-8 character definitions. +% +% This code to support UTF-8 is based on LaTeX's utf8.def, with some +% changes for Texinfo conventions. It is included here under the GPL by +% permission from Frank Mittelbach and the LaTeX team. +% +\newcount\countUTFx +\newcount\countUTFy +\newcount\countUTFz + +\gdef\UTFviiiTwoOctets#1#2{\expandafter + \UTFviiiDefined\csname u8:#1\string #2\endcsname} +% +\gdef\UTFviiiThreeOctets#1#2#3{\expandafter + \UTFviiiDefined\csname u8:#1\string #2\string #3\endcsname} +% +\gdef\UTFviiiFourOctets#1#2#3#4{\expandafter + \UTFviiiDefined\csname u8:#1\string #2\string #3\string #4\endcsname} + +\gdef\UTFviiiDefined#1{% + \ifx #1\relax + \message{\linenumber Unicode char \string #1 not defined for Texinfo}% + \else + \expandafter #1% + \fi +} + +\begingroup + \catcode`\~13 + \catcode`\"12 + + \def\UTFviiiLoop{% + \global\catcode\countUTFx\active + \uccode`\~\countUTFx + \uppercase\expandafter{\UTFviiiTmp}% + \advance\countUTFx by 1 + \ifnum\countUTFx < \countUTFy + \expandafter\UTFviiiLoop + \fi} + + \countUTFx = "C2 + \countUTFy = "E0 + \def\UTFviiiTmp{% + \xdef~{\noexpand\UTFviiiTwoOctets\string~}} + \UTFviiiLoop + + \countUTFx = "E0 + \countUTFy = "F0 + \def\UTFviiiTmp{% + \xdef~{\noexpand\UTFviiiThreeOctets\string~}} + \UTFviiiLoop + + \countUTFx = "F0 + \countUTFy = "F4 + \def\UTFviiiTmp{% + \xdef~{\noexpand\UTFviiiFourOctets\string~}} + \UTFviiiLoop +\endgroup + +\begingroup + \catcode`\"=12 + \catcode`\<=12 + \catcode`\.=12 + \catcode`\,=12 + \catcode`\;=12 + \catcode`\!=12 + \catcode`\~=13 + + \gdef\DeclareUnicodeCharacter#1#2{% + \countUTFz = "#1\relax + %\wlog{\space\space defining Unicode char U+#1 (decimal \the\countUTFz)}% + \begingroup + \parseXMLCharref + \def\UTFviiiTwoOctets##1##2{% + \csname u8:##1\string ##2\endcsname}% + \def\UTFviiiThreeOctets##1##2##3{% + \csname u8:##1\string ##2\string ##3\endcsname}% + \def\UTFviiiFourOctets##1##2##3##4{% + \csname u8:##1\string ##2\string ##3\string ##4\endcsname}% + \expandafter\expandafter\expandafter\expandafter + \expandafter\expandafter\expandafter + \gdef\UTFviiiTmp{#2}% + \endgroup} + + \gdef\parseXMLCharref{% + \ifnum\countUTFz < "A0\relax + \errhelp = \EMsimple + \errmessage{Cannot define Unicode char value < 00A0}% + \else\ifnum\countUTFz < "800\relax + \parseUTFviiiA,% + \parseUTFviiiB C\UTFviiiTwoOctets.,% + \else\ifnum\countUTFz < "10000\relax + \parseUTFviiiA;% + \parseUTFviiiA,% + \parseUTFviiiB E\UTFviiiThreeOctets.{,;}% + \else + \parseUTFviiiA;% + \parseUTFviiiA,% + \parseUTFviiiA!% + \parseUTFviiiB F\UTFviiiFourOctets.{!,;}% + \fi\fi\fi + } + + \gdef\parseUTFviiiA#1{% + \countUTFx = \countUTFz + \divide\countUTFz by 64 + \countUTFy = \countUTFz + \multiply\countUTFz by 64 + \advance\countUTFx by -\countUTFz + \advance\countUTFx by 128 + \uccode `#1\countUTFx + \countUTFz = \countUTFy} + + \gdef\parseUTFviiiB#1#2#3#4{% + \advance\countUTFz by "#10\relax + \uccode `#3\countUTFz + \uppercase{\gdef\UTFviiiTmp{#2#3#4}}} +\endgroup + +\def\utfeightchardefs{% + \DeclareUnicodeCharacter{00A0}{\tie} + \DeclareUnicodeCharacter{00A1}{\exclamdown} + \DeclareUnicodeCharacter{00A3}{\pounds} + \DeclareUnicodeCharacter{00A8}{\"{ }} + \DeclareUnicodeCharacter{00A9}{\copyright} + \DeclareUnicodeCharacter{00AA}{\ordf} + \DeclareUnicodeCharacter{00AB}{\guillemetleft} + \DeclareUnicodeCharacter{00AD}{\-} + \DeclareUnicodeCharacter{00AE}{\registeredsymbol} + \DeclareUnicodeCharacter{00AF}{\={ }} + + \DeclareUnicodeCharacter{00B0}{\ringaccent{ }} + \DeclareUnicodeCharacter{00B4}{\'{ }} + \DeclareUnicodeCharacter{00B8}{\cedilla{ }} + \DeclareUnicodeCharacter{00BA}{\ordm} + \DeclareUnicodeCharacter{00BB}{\guillemetright} + \DeclareUnicodeCharacter{00BF}{\questiondown} + + \DeclareUnicodeCharacter{00C0}{\`A} + \DeclareUnicodeCharacter{00C1}{\'A} + \DeclareUnicodeCharacter{00C2}{\^A} + \DeclareUnicodeCharacter{00C3}{\~A} + \DeclareUnicodeCharacter{00C4}{\"A} + \DeclareUnicodeCharacter{00C5}{\AA} + \DeclareUnicodeCharacter{00C6}{\AE} + \DeclareUnicodeCharacter{00C7}{\cedilla{C}} + \DeclareUnicodeCharacter{00C8}{\`E} + \DeclareUnicodeCharacter{00C9}{\'E} + \DeclareUnicodeCharacter{00CA}{\^E} + \DeclareUnicodeCharacter{00CB}{\"E} + \DeclareUnicodeCharacter{00CC}{\`I} + \DeclareUnicodeCharacter{00CD}{\'I} + \DeclareUnicodeCharacter{00CE}{\^I} + \DeclareUnicodeCharacter{00CF}{\"I} + + \DeclareUnicodeCharacter{00D0}{\DH} + \DeclareUnicodeCharacter{00D1}{\~N} + \DeclareUnicodeCharacter{00D2}{\`O} + \DeclareUnicodeCharacter{00D3}{\'O} + \DeclareUnicodeCharacter{00D4}{\^O} + \DeclareUnicodeCharacter{00D5}{\~O} + \DeclareUnicodeCharacter{00D6}{\"O} + \DeclareUnicodeCharacter{00D8}{\O} + \DeclareUnicodeCharacter{00D9}{\`U} + \DeclareUnicodeCharacter{00DA}{\'U} + \DeclareUnicodeCharacter{00DB}{\^U} + \DeclareUnicodeCharacter{00DC}{\"U} + \DeclareUnicodeCharacter{00DD}{\'Y} + \DeclareUnicodeCharacter{00DE}{\TH} + \DeclareUnicodeCharacter{00DF}{\ss} + + \DeclareUnicodeCharacter{00E0}{\`a} + \DeclareUnicodeCharacter{00E1}{\'a} + \DeclareUnicodeCharacter{00E2}{\^a} + \DeclareUnicodeCharacter{00E3}{\~a} + \DeclareUnicodeCharacter{00E4}{\"a} + \DeclareUnicodeCharacter{00E5}{\aa} + \DeclareUnicodeCharacter{00E6}{\ae} + \DeclareUnicodeCharacter{00E7}{\cedilla{c}} + \DeclareUnicodeCharacter{00E8}{\`e} + \DeclareUnicodeCharacter{00E9}{\'e} + \DeclareUnicodeCharacter{00EA}{\^e} + \DeclareUnicodeCharacter{00EB}{\"e} + \DeclareUnicodeCharacter{00EC}{\`{\dotless{i}}} + \DeclareUnicodeCharacter{00ED}{\'{\dotless{i}}} + \DeclareUnicodeCharacter{00EE}{\^{\dotless{i}}} + \DeclareUnicodeCharacter{00EF}{\"{\dotless{i}}} + + \DeclareUnicodeCharacter{00F0}{\dh} + \DeclareUnicodeCharacter{00F1}{\~n} + \DeclareUnicodeCharacter{00F2}{\`o} + \DeclareUnicodeCharacter{00F3}{\'o} + \DeclareUnicodeCharacter{00F4}{\^o} + \DeclareUnicodeCharacter{00F5}{\~o} + \DeclareUnicodeCharacter{00F6}{\"o} + \DeclareUnicodeCharacter{00F8}{\o} + \DeclareUnicodeCharacter{00F9}{\`u} + \DeclareUnicodeCharacter{00FA}{\'u} + \DeclareUnicodeCharacter{00FB}{\^u} + \DeclareUnicodeCharacter{00FC}{\"u} + \DeclareUnicodeCharacter{00FD}{\'y} + \DeclareUnicodeCharacter{00FE}{\th} + \DeclareUnicodeCharacter{00FF}{\"y} + + \DeclareUnicodeCharacter{0100}{\=A} + \DeclareUnicodeCharacter{0101}{\=a} + \DeclareUnicodeCharacter{0102}{\u{A}} + \DeclareUnicodeCharacter{0103}{\u{a}} + \DeclareUnicodeCharacter{0104}{\ogonek{A}} + \DeclareUnicodeCharacter{0105}{\ogonek{a}} + \DeclareUnicodeCharacter{0106}{\'C} + \DeclareUnicodeCharacter{0107}{\'c} + \DeclareUnicodeCharacter{0108}{\^C} + \DeclareUnicodeCharacter{0109}{\^c} + \DeclareUnicodeCharacter{0118}{\ogonek{E}} + \DeclareUnicodeCharacter{0119}{\ogonek{e}} + \DeclareUnicodeCharacter{010A}{\dotaccent{C}} + \DeclareUnicodeCharacter{010B}{\dotaccent{c}} + \DeclareUnicodeCharacter{010C}{\v{C}} + \DeclareUnicodeCharacter{010D}{\v{c}} + \DeclareUnicodeCharacter{010E}{\v{D}} + + \DeclareUnicodeCharacter{0112}{\=E} + \DeclareUnicodeCharacter{0113}{\=e} + \DeclareUnicodeCharacter{0114}{\u{E}} + \DeclareUnicodeCharacter{0115}{\u{e}} + \DeclareUnicodeCharacter{0116}{\dotaccent{E}} + \DeclareUnicodeCharacter{0117}{\dotaccent{e}} + \DeclareUnicodeCharacter{011A}{\v{E}} + \DeclareUnicodeCharacter{011B}{\v{e}} + \DeclareUnicodeCharacter{011C}{\^G} + \DeclareUnicodeCharacter{011D}{\^g} + \DeclareUnicodeCharacter{011E}{\u{G}} + \DeclareUnicodeCharacter{011F}{\u{g}} + + \DeclareUnicodeCharacter{0120}{\dotaccent{G}} + \DeclareUnicodeCharacter{0121}{\dotaccent{g}} + \DeclareUnicodeCharacter{0124}{\^H} + \DeclareUnicodeCharacter{0125}{\^h} + \DeclareUnicodeCharacter{0128}{\~I} + \DeclareUnicodeCharacter{0129}{\~{\dotless{i}}} + \DeclareUnicodeCharacter{012A}{\=I} + \DeclareUnicodeCharacter{012B}{\={\dotless{i}}} + \DeclareUnicodeCharacter{012C}{\u{I}} + \DeclareUnicodeCharacter{012D}{\u{\dotless{i}}} + + \DeclareUnicodeCharacter{0130}{\dotaccent{I}} + \DeclareUnicodeCharacter{0131}{\dotless{i}} + \DeclareUnicodeCharacter{0132}{IJ} + \DeclareUnicodeCharacter{0133}{ij} + \DeclareUnicodeCharacter{0134}{\^J} + \DeclareUnicodeCharacter{0135}{\^{\dotless{j}}} + \DeclareUnicodeCharacter{0139}{\'L} + \DeclareUnicodeCharacter{013A}{\'l} + + \DeclareUnicodeCharacter{0141}{\L} + \DeclareUnicodeCharacter{0142}{\l} + \DeclareUnicodeCharacter{0143}{\'N} + \DeclareUnicodeCharacter{0144}{\'n} + \DeclareUnicodeCharacter{0147}{\v{N}} + \DeclareUnicodeCharacter{0148}{\v{n}} + \DeclareUnicodeCharacter{014C}{\=O} + \DeclareUnicodeCharacter{014D}{\=o} + \DeclareUnicodeCharacter{014E}{\u{O}} + \DeclareUnicodeCharacter{014F}{\u{o}} + + \DeclareUnicodeCharacter{0150}{\H{O}} + \DeclareUnicodeCharacter{0151}{\H{o}} + \DeclareUnicodeCharacter{0152}{\OE} + \DeclareUnicodeCharacter{0153}{\oe} + \DeclareUnicodeCharacter{0154}{\'R} + \DeclareUnicodeCharacter{0155}{\'r} + \DeclareUnicodeCharacter{0158}{\v{R}} + \DeclareUnicodeCharacter{0159}{\v{r}} + \DeclareUnicodeCharacter{015A}{\'S} + \DeclareUnicodeCharacter{015B}{\'s} + \DeclareUnicodeCharacter{015C}{\^S} + \DeclareUnicodeCharacter{015D}{\^s} + \DeclareUnicodeCharacter{015E}{\cedilla{S}} + \DeclareUnicodeCharacter{015F}{\cedilla{s}} + + \DeclareUnicodeCharacter{0160}{\v{S}} + \DeclareUnicodeCharacter{0161}{\v{s}} + \DeclareUnicodeCharacter{0162}{\cedilla{t}} + \DeclareUnicodeCharacter{0163}{\cedilla{T}} + \DeclareUnicodeCharacter{0164}{\v{T}} + + \DeclareUnicodeCharacter{0168}{\~U} + \DeclareUnicodeCharacter{0169}{\~u} + \DeclareUnicodeCharacter{016A}{\=U} + \DeclareUnicodeCharacter{016B}{\=u} + \DeclareUnicodeCharacter{016C}{\u{U}} + \DeclareUnicodeCharacter{016D}{\u{u}} + \DeclareUnicodeCharacter{016E}{\ringaccent{U}} + \DeclareUnicodeCharacter{016F}{\ringaccent{u}} + + \DeclareUnicodeCharacter{0170}{\H{U}} + \DeclareUnicodeCharacter{0171}{\H{u}} + \DeclareUnicodeCharacter{0174}{\^W} + \DeclareUnicodeCharacter{0175}{\^w} + \DeclareUnicodeCharacter{0176}{\^Y} + \DeclareUnicodeCharacter{0177}{\^y} + \DeclareUnicodeCharacter{0178}{\"Y} + \DeclareUnicodeCharacter{0179}{\'Z} + \DeclareUnicodeCharacter{017A}{\'z} + \DeclareUnicodeCharacter{017B}{\dotaccent{Z}} + \DeclareUnicodeCharacter{017C}{\dotaccent{z}} + \DeclareUnicodeCharacter{017D}{\v{Z}} + \DeclareUnicodeCharacter{017E}{\v{z}} + + \DeclareUnicodeCharacter{01C4}{D\v{Z}} + \DeclareUnicodeCharacter{01C5}{D\v{z}} + \DeclareUnicodeCharacter{01C6}{d\v{z}} + \DeclareUnicodeCharacter{01C7}{LJ} + \DeclareUnicodeCharacter{01C8}{Lj} + \DeclareUnicodeCharacter{01C9}{lj} + \DeclareUnicodeCharacter{01CA}{NJ} + \DeclareUnicodeCharacter{01CB}{Nj} + \DeclareUnicodeCharacter{01CC}{nj} + \DeclareUnicodeCharacter{01CD}{\v{A}} + \DeclareUnicodeCharacter{01CE}{\v{a}} + \DeclareUnicodeCharacter{01CF}{\v{I}} + + \DeclareUnicodeCharacter{01D0}{\v{\dotless{i}}} + \DeclareUnicodeCharacter{01D1}{\v{O}} + \DeclareUnicodeCharacter{01D2}{\v{o}} + \DeclareUnicodeCharacter{01D3}{\v{U}} + \DeclareUnicodeCharacter{01D4}{\v{u}} + + \DeclareUnicodeCharacter{01E2}{\={\AE}} + \DeclareUnicodeCharacter{01E3}{\={\ae}} + \DeclareUnicodeCharacter{01E6}{\v{G}} + \DeclareUnicodeCharacter{01E7}{\v{g}} + \DeclareUnicodeCharacter{01E8}{\v{K}} + \DeclareUnicodeCharacter{01E9}{\v{k}} + + \DeclareUnicodeCharacter{01F0}{\v{\dotless{j}}} + \DeclareUnicodeCharacter{01F1}{DZ} + \DeclareUnicodeCharacter{01F2}{Dz} + \DeclareUnicodeCharacter{01F3}{dz} + \DeclareUnicodeCharacter{01F4}{\'G} + \DeclareUnicodeCharacter{01F5}{\'g} + \DeclareUnicodeCharacter{01F8}{\`N} + \DeclareUnicodeCharacter{01F9}{\`n} + \DeclareUnicodeCharacter{01FC}{\'{\AE}} + \DeclareUnicodeCharacter{01FD}{\'{\ae}} + \DeclareUnicodeCharacter{01FE}{\'{\O}} + \DeclareUnicodeCharacter{01FF}{\'{\o}} + + \DeclareUnicodeCharacter{021E}{\v{H}} + \DeclareUnicodeCharacter{021F}{\v{h}} + + \DeclareUnicodeCharacter{0226}{\dotaccent{A}} + \DeclareUnicodeCharacter{0227}{\dotaccent{a}} + \DeclareUnicodeCharacter{0228}{\cedilla{E}} + \DeclareUnicodeCharacter{0229}{\cedilla{e}} + \DeclareUnicodeCharacter{022E}{\dotaccent{O}} + \DeclareUnicodeCharacter{022F}{\dotaccent{o}} + + \DeclareUnicodeCharacter{0232}{\=Y} + \DeclareUnicodeCharacter{0233}{\=y} + \DeclareUnicodeCharacter{0237}{\dotless{j}} + + \DeclareUnicodeCharacter{02DB}{\ogonek{ }} + + \DeclareUnicodeCharacter{1E02}{\dotaccent{B}} + \DeclareUnicodeCharacter{1E03}{\dotaccent{b}} + \DeclareUnicodeCharacter{1E04}{\udotaccent{B}} + \DeclareUnicodeCharacter{1E05}{\udotaccent{b}} + \DeclareUnicodeCharacter{1E06}{\ubaraccent{B}} + \DeclareUnicodeCharacter{1E07}{\ubaraccent{b}} + \DeclareUnicodeCharacter{1E0A}{\dotaccent{D}} + \DeclareUnicodeCharacter{1E0B}{\dotaccent{d}} + \DeclareUnicodeCharacter{1E0C}{\udotaccent{D}} + \DeclareUnicodeCharacter{1E0D}{\udotaccent{d}} + \DeclareUnicodeCharacter{1E0E}{\ubaraccent{D}} + \DeclareUnicodeCharacter{1E0F}{\ubaraccent{d}} + + \DeclareUnicodeCharacter{1E1E}{\dotaccent{F}} + \DeclareUnicodeCharacter{1E1F}{\dotaccent{f}} + + \DeclareUnicodeCharacter{1E20}{\=G} + \DeclareUnicodeCharacter{1E21}{\=g} + \DeclareUnicodeCharacter{1E22}{\dotaccent{H}} + \DeclareUnicodeCharacter{1E23}{\dotaccent{h}} + \DeclareUnicodeCharacter{1E24}{\udotaccent{H}} + \DeclareUnicodeCharacter{1E25}{\udotaccent{h}} + \DeclareUnicodeCharacter{1E26}{\"H} + \DeclareUnicodeCharacter{1E27}{\"h} + + \DeclareUnicodeCharacter{1E30}{\'K} + \DeclareUnicodeCharacter{1E31}{\'k} + \DeclareUnicodeCharacter{1E32}{\udotaccent{K}} + \DeclareUnicodeCharacter{1E33}{\udotaccent{k}} + \DeclareUnicodeCharacter{1E34}{\ubaraccent{K}} + \DeclareUnicodeCharacter{1E35}{\ubaraccent{k}} + \DeclareUnicodeCharacter{1E36}{\udotaccent{L}} + \DeclareUnicodeCharacter{1E37}{\udotaccent{l}} + \DeclareUnicodeCharacter{1E3A}{\ubaraccent{L}} + \DeclareUnicodeCharacter{1E3B}{\ubaraccent{l}} + \DeclareUnicodeCharacter{1E3E}{\'M} + \DeclareUnicodeCharacter{1E3F}{\'m} + + \DeclareUnicodeCharacter{1E40}{\dotaccent{M}} + \DeclareUnicodeCharacter{1E41}{\dotaccent{m}} + \DeclareUnicodeCharacter{1E42}{\udotaccent{M}} + \DeclareUnicodeCharacter{1E43}{\udotaccent{m}} + \DeclareUnicodeCharacter{1E44}{\dotaccent{N}} + \DeclareUnicodeCharacter{1E45}{\dotaccent{n}} + \DeclareUnicodeCharacter{1E46}{\udotaccent{N}} + \DeclareUnicodeCharacter{1E47}{\udotaccent{n}} + \DeclareUnicodeCharacter{1E48}{\ubaraccent{N}} + \DeclareUnicodeCharacter{1E49}{\ubaraccent{n}} + + \DeclareUnicodeCharacter{1E54}{\'P} + \DeclareUnicodeCharacter{1E55}{\'p} + \DeclareUnicodeCharacter{1E56}{\dotaccent{P}} + \DeclareUnicodeCharacter{1E57}{\dotaccent{p}} + \DeclareUnicodeCharacter{1E58}{\dotaccent{R}} + \DeclareUnicodeCharacter{1E59}{\dotaccent{r}} + \DeclareUnicodeCharacter{1E5A}{\udotaccent{R}} + \DeclareUnicodeCharacter{1E5B}{\udotaccent{r}} + \DeclareUnicodeCharacter{1E5E}{\ubaraccent{R}} + \DeclareUnicodeCharacter{1E5F}{\ubaraccent{r}} + + \DeclareUnicodeCharacter{1E60}{\dotaccent{S}} + \DeclareUnicodeCharacter{1E61}{\dotaccent{s}} + \DeclareUnicodeCharacter{1E62}{\udotaccent{S}} + \DeclareUnicodeCharacter{1E63}{\udotaccent{s}} + \DeclareUnicodeCharacter{1E6A}{\dotaccent{T}} + \DeclareUnicodeCharacter{1E6B}{\dotaccent{t}} + \DeclareUnicodeCharacter{1E6C}{\udotaccent{T}} + \DeclareUnicodeCharacter{1E6D}{\udotaccent{t}} + \DeclareUnicodeCharacter{1E6E}{\ubaraccent{T}} + \DeclareUnicodeCharacter{1E6F}{\ubaraccent{t}} + + \DeclareUnicodeCharacter{1E7C}{\~V} + \DeclareUnicodeCharacter{1E7D}{\~v} + \DeclareUnicodeCharacter{1E7E}{\udotaccent{V}} + \DeclareUnicodeCharacter{1E7F}{\udotaccent{v}} + + \DeclareUnicodeCharacter{1E80}{\`W} + \DeclareUnicodeCharacter{1E81}{\`w} + \DeclareUnicodeCharacter{1E82}{\'W} + \DeclareUnicodeCharacter{1E83}{\'w} + \DeclareUnicodeCharacter{1E84}{\"W} + \DeclareUnicodeCharacter{1E85}{\"w} + \DeclareUnicodeCharacter{1E86}{\dotaccent{W}} + \DeclareUnicodeCharacter{1E87}{\dotaccent{w}} + \DeclareUnicodeCharacter{1E88}{\udotaccent{W}} + \DeclareUnicodeCharacter{1E89}{\udotaccent{w}} + \DeclareUnicodeCharacter{1E8A}{\dotaccent{X}} + \DeclareUnicodeCharacter{1E8B}{\dotaccent{x}} + \DeclareUnicodeCharacter{1E8C}{\"X} + \DeclareUnicodeCharacter{1E8D}{\"x} + \DeclareUnicodeCharacter{1E8E}{\dotaccent{Y}} + \DeclareUnicodeCharacter{1E8F}{\dotaccent{y}} + + \DeclareUnicodeCharacter{1E90}{\^Z} + \DeclareUnicodeCharacter{1E91}{\^z} + \DeclareUnicodeCharacter{1E92}{\udotaccent{Z}} + \DeclareUnicodeCharacter{1E93}{\udotaccent{z}} + \DeclareUnicodeCharacter{1E94}{\ubaraccent{Z}} + \DeclareUnicodeCharacter{1E95}{\ubaraccent{z}} + \DeclareUnicodeCharacter{1E96}{\ubaraccent{h}} + \DeclareUnicodeCharacter{1E97}{\"t} + \DeclareUnicodeCharacter{1E98}{\ringaccent{w}} + \DeclareUnicodeCharacter{1E99}{\ringaccent{y}} + + \DeclareUnicodeCharacter{1EA0}{\udotaccent{A}} + \DeclareUnicodeCharacter{1EA1}{\udotaccent{a}} + + \DeclareUnicodeCharacter{1EB8}{\udotaccent{E}} + \DeclareUnicodeCharacter{1EB9}{\udotaccent{e}} + \DeclareUnicodeCharacter{1EBC}{\~E} + \DeclareUnicodeCharacter{1EBD}{\~e} + + \DeclareUnicodeCharacter{1ECA}{\udotaccent{I}} + \DeclareUnicodeCharacter{1ECB}{\udotaccent{i}} + \DeclareUnicodeCharacter{1ECC}{\udotaccent{O}} + \DeclareUnicodeCharacter{1ECD}{\udotaccent{o}} + + \DeclareUnicodeCharacter{1EE4}{\udotaccent{U}} + \DeclareUnicodeCharacter{1EE5}{\udotaccent{u}} + + \DeclareUnicodeCharacter{1EF2}{\`Y} + \DeclareUnicodeCharacter{1EF3}{\`y} + \DeclareUnicodeCharacter{1EF4}{\udotaccent{Y}} + + \DeclareUnicodeCharacter{1EF8}{\~Y} + \DeclareUnicodeCharacter{1EF9}{\~y} + + \DeclareUnicodeCharacter{2013}{--} + \DeclareUnicodeCharacter{2014}{---} + \DeclareUnicodeCharacter{2018}{\quoteleft} + \DeclareUnicodeCharacter{2019}{\quoteright} + \DeclareUnicodeCharacter{201A}{\quotesinglbase} + \DeclareUnicodeCharacter{201C}{\quotedblleft} + \DeclareUnicodeCharacter{201D}{\quotedblright} + \DeclareUnicodeCharacter{201E}{\quotedblbase} + \DeclareUnicodeCharacter{2022}{\bullet} + \DeclareUnicodeCharacter{2026}{\dots} + \DeclareUnicodeCharacter{2039}{\guilsinglleft} + \DeclareUnicodeCharacter{203A}{\guilsinglright} + \DeclareUnicodeCharacter{20AC}{\euro} + + \DeclareUnicodeCharacter{2192}{\expansion} + \DeclareUnicodeCharacter{21D2}{\result} + + \DeclareUnicodeCharacter{2212}{\minus} + \DeclareUnicodeCharacter{2217}{\point} + \DeclareUnicodeCharacter{2261}{\equiv} +}% end of \utfeightchardefs + + +% US-ASCII character definitions. +\def\asciichardefs{% nothing need be done + \relax +} + +% Make non-ASCII characters printable again for compatibility with +% existing Texinfo documents that may use them, even without declaring a +% document encoding. +% +\setnonasciicharscatcode \other + + +\message{formatting,} + \newdimen\defaultparindent \defaultparindent = 15pt \chapheadingskip = 15pt plus 4pt minus 2pt @@ -6376,10 +9645,10 @@ should work if nowhere else does.} % Prevent underfull vbox error messages. \vbadness = 10000 -% Don't be so finicky about underfull hboxes, either. -\hbadness = 2000 +% Don't be very finicky about underfull hboxes, either. +\hbadness = 6666 -% Following George Bush, just get rid of widows and orphans. +% Following George Bush, get rid of widows and orphans. \widowpenalty=10000 \clubpenalty=10000 @@ -6397,9 +9666,9 @@ should work if nowhere else does.} \fi } -% Parameters in order: 1) textheight; 2) textwidth; 3) voffset; -% 4) hoffset; 5) binding offset; 6) topskip; 7) physical page height; 8) -% physical page width. +% Parameters in order: 1) textheight; 2) textwidth; +% 3) voffset; 4) hoffset; 5) binding offset; 6) topskip; +% 7) physical page height; 8) physical page width. % % We also call \setleading{\textleading}, so the caller should define % \textleading. The caller should also set \parskip. @@ -6426,6 +9695,10 @@ should work if nowhere else does.} \ifpdf \pdfpageheight #7\relax \pdfpagewidth #8\relax + % if we don't reset these, they will remain at "1 true in" of + % whatever layout pdftex was dumped with. + \pdfhorigin = 1 true in + \pdfvorigin = 1 true in \fi % \setleading{\textleading} @@ -6440,19 +9713,19 @@ should work if nowhere else does.} \textleading = 13.2pt % % If page is nothing but text, make it come out even. - \internalpagesizes{46\baselineskip}{6in}% + \internalpagesizes{607.2pt}{6in}% that's 46 lines {\voffset}{.25in}% {\bindingoffset}{36pt}% {11in}{8.5in}% }} -% Use @smallbook to reset parameters for 7x9.5 (or so) format. +% Use @smallbook to reset parameters for 7x9.25 trim size. \def\smallbook{{\globaldefs = 1 \parskip = 2pt plus 1pt \textleading = 12pt % \internalpagesizes{7.5in}{5in}% - {\voffset}{.25in}% + {-.2in}{0in}% {\bindingoffset}{16pt}% {9.25in}{7in}% % @@ -6463,6 +9736,24 @@ should work if nowhere else does.} \defbodyindent = .5cm }} +% Use @smallerbook to reset parameters for 6x9 trim size. +% (Just testing, parameters still in flux.) +\def\smallerbook{{\globaldefs = 1 + \parskip = 1.5pt plus 1pt + \textleading = 12pt + % + \internalpagesizes{7.4in}{4.8in}% + {-.2in}{-.4in}% + {0pt}{14pt}% + {9in}{6in}% + % + \lispnarrowing = 0.25in + \tolerance = 700 + \hfuzz = 1pt + \contentsrightmargin = 0pt + \defbodyindent = .4cm +}} + % Use @afourpaper to print on European A4 paper. \def\afourpaper{{\globaldefs = 1 \parskip = 3pt plus 2pt minus 1pt @@ -6478,7 +9769,7 @@ should work if nowhere else does.} % \global\normaloffset = -6mm % \global\bindingoffset = 10mm % @end tex - \internalpagesizes{51\baselineskip}{160mm} + \internalpagesizes{673.2pt}{160mm}% that's 51 lines {\voffset}{\hoffset}% {\bindingoffset}{44pt}% {297mm}{210mm}% @@ -6535,7 +9826,7 @@ should work if nowhere else does.} % Perhaps we should allow setting the margins, \topskip, \parskip, % and/or leading, also. Or perhaps we should compute them somehow. % -\defparsearg\pagesizes{\pagesizesyyy #1,,\finish} +\parseargdef\pagesizes{\pagesizesyyy #1,,\finish} \def\pagesizesyyy#1,#2,#3\finish{{% \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \hsize=#2\relax \fi \globaldefs = 1 @@ -6543,7 +9834,7 @@ should work if nowhere else does.} \parskip = 3pt plus 2pt minus 1pt \setleading{\textleading}% % - \dimen0 = #1 + \dimen0 = #1\relax \advance\dimen0 by \voffset % \dimen2 = \hsize @@ -6562,28 +9853,24 @@ should work if nowhere else does.} \message{and turning on texinfo input format.} +\def^^L{\par} % remove \outer, so ^L can appear in an @comment + +% DEL is a comment character, in case @c does not suffice. +\catcode`\^^? = 14 + % Define macros to output various characters with catcode for normal text. -\catcode`\"=\other -\catcode`\~=\other -\catcode`\^=\other -\catcode`\_=\other -\catcode`\|=\other -\catcode`\<=\other -\catcode`\>=\other -\catcode`\+=\other -\catcode`\$=\other -\def\normaldoublequote{"} -\def\normaltilde{~} -\def\normalcaret{^} -\def\normalunderscore{_} -\def\normalverticalbar{|} -\def\normalless{<} -\def\normalgreater{>} -\def\normalplus{+} -\def\normaldollar{$}%$ font-lock fix - -% 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, +\catcode`\"=\other \def\normaldoublequote{"} +\catcode`\$=\other \def\normaldollar{$}%$ font-lock fix +\catcode`\+=\other \def\normalplus{+} +\catcode`\<=\other \def\normalless{<} +\catcode`\>=\other \def\normalgreater{>} +\catcode`\^=\other \def\normalcaret{^} +\catcode`\_=\other \def\normalunderscore{_} +\catcode`\|=\other \def\normalverticalbar{|} +\catcode`\~=\other \def\normaltilde{~} + +% This macro is used to make a character print one way in \tt +% (where it can probably be output as-is), and another way in other fonts, % where something hairier probably needs to be done. % % #1 is what to print if we are indeed using \tt; #2 is what to print @@ -6615,6 +9902,7 @@ should work if nowhere else does.} \catcode`\_=\active \def_{\ifusingtt\normalunderscore\_} +\let\realunder=_ % Subroutine for the previous macro. \def\_{\leavevmode \kern.07em \vbox{\hrule width.3em height.1ex}\kern .07em } @@ -6637,50 +9925,66 @@ should work if nowhere else does.} % \otherifyactive is called near the end of this file. \def\otherifyactive{\catcode`+=\other \catcode`\_=\other} +% Used sometimes to turn off (effectively) the active characters even after +% parsing them. +\def\turnoffactive{% + \normalturnoffactive + \otherbackslash +} + \catcode`\@=0 -% \rawbackslashxx outputs one backslash character in current font, +% \backslashcurfont outputs one backslash character in current font, % as in \char`\\. -\global\chardef\rawbackslashxx=`\\ - -% \rawbackslash defines an active \ to do \rawbackslashxx. +\global\chardef\backslashcurfont=`\\ +\global\let\rawbackslashxx=\backslashcurfont % let existing .??s files work + +% \realbackslash is an actual character `\' with catcode other, and +% \doublebackslash is two of them (for the pdf outlines). +{\catcode`\\=\other @gdef@realbackslash{\} @gdef@doublebackslash{\\}} + +% In texinfo, backslash is an active character; it prints the backslash +% in fixed width font. +\catcode`\\=\active % @ for escape char from now on. + +% The story here is that in math mode, the \char of \backslashcurfont +% ends up printing the roman \ from the math symbol font (because \char +% in math mode uses the \mathcode, and plain.tex sets +% \mathcode`\\="026E). It seems better for @backslashchar{} to always +% print a typewriter backslash, hence we use an explicit \mathchar, +% which is the decimal equivalent of "715c (class 7, e.g., use \fam; +% ignored family value; char position "5C). We can't use " for the +% usual hex value because it has already been made active. +@def@normalbackslash{{@tt @ifmmode @mathchar29020 @else @backslashcurfont @fi}} +@let@backslashchar = @normalbackslash % @backslashchar{} is for user documents. + +% On startup, @fixbackslash assigns: +% @let \ = @normalbackslash +% \rawbackslash defines an active \ to do \backslashcurfont. % \otherbackslash defines an active \ to be a literal `\' character with -% catcode other. -{\catcode`\\=\active - @gdef@rawbackslash{@let\=@rawbackslashxx} - @gdef@otherbackslash{@let\=@realbackslash} -} - -% \realbackslash is an actual character `\' with catcode other. -{\catcode`\\=\other @gdef@realbackslash{\}} - -% \normalbackslash outputs one backslash in fixed width font. -\def\normalbackslash{{\tt\rawbackslashxx}} +% catcode other. We switch back and forth between these. +@gdef@rawbackslash{@let\=@backslashcurfont} +@gdef@otherbackslash{@let\=@realbackslash} -\catcode`\\=\active - -% Used sometimes to turn off (effectively) the active characters -% even after parsing them. -@def@turnoffactive{% +% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of +% the literal character `\'. +% +@def@normalturnoffactive{% @let"=@normaldoublequote - @let\=@realbackslash - @let~=@normaltilde + @let$=@normaldollar %$ font-lock fix + @let+=@normalplus + @let<=@normalless + @let>=@normalgreater + @let\=@normalbackslash @let^=@normalcaret @let_=@normalunderscore @let|=@normalverticalbar - @let<=@normalless - @let>=@normalgreater - @let+=@normalplus - @let$=@normaldollar %$ font-lock fix + @let~=@normaltilde + @markupsetuplqdefault + @markupsetuprqdefault @unsepspaces } -% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of -% the literal character `\'. (Thus, \ is not expandable when this is in -% effect.) -% -@def@normalturnoffactive{@turnoffactive @let\=@normalbackslash} - % Make _ and + \other characters, temporarily. % This is canceled by @fixbackslash. @otherifyactive @@ -6693,9 +9997,9 @@ should work if nowhere else does.} @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 +% 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 +% Also turn back on active characters that might appear in the input % file name, in case not using a pre-dumped format. % @gdef@fixbackslash{% @@ -6707,26 +10011,31 @@ should work if nowhere else does.} % Say @foo, not \foo, in error messages. @escapechar = `@@ -% These look ok in all fonts, so just make them not special. -@catcode`@& = @other -@catcode`@# = @other -@catcode`@% = @other - -@c Set initial fonts. -@textfonts -@rm +% These (along with & and #) are made active for url-breaking, so need +% active definitions as the normal characters. +@def@normaldot{.} +@def@normalquest{?} +@def@normalslash{/} +% These look ok in all fonts, so just make them not special. +% @hashchar{} gets its own user-level command, because of #line. +@catcode`@& = @other @def@normalamp{&} +@catcode`@# = @other @def@normalhash{#} +@catcode`@% = @other @def@normalpercent{%} + +@let @hashchar = @normalhash + +@c Finally, make ` and ' active, so that txicodequoteundirected and +@c txicodequotebacktick work right in, e.g., @w{@code{`foo'}}. If we +@c don't make ` and ' active, @code will not get them as active chars. +@c Do this last of all since we use ` in the previous @catcode assignments. +@catcode`@'=@active +@catcode`@`=@active +@markupsetuplqdefault +@markupsetuprqdefault @c Local variables: -@c eval: (add-hook 'write-file-hooks 'time-stamp) @c page-delimiter: "^\\\\message" -@c time-stamp-start: "def\\\\texinfoversion{" -@c time-stamp-format: "%:y-%02m-%02d.%02H" -@c time-stamp-end: "}" @c End: @c vim:sw=2: - -@ignore - arch-tag: e1b36e32-c96e-4135-a41a-0b2efa2ea115 -@end ignore