* config/i386/i386.md (mmx_pinsrw): Output operands in correct
[official-gcc.git] / gcc / texinfo.tex
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1 % texinfo.tex -- TeX macros to handle Texinfo files.
3 % Load plain if necessary, i.e., if running under initex.
4 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
6 \def\texinfoversion{1998-11-13}%
8 % Copyright (C) 1985, 86, 88, 90, 91, 92, 93, 94, 95, 96, 97, 98
9 % Free Software Foundation, Inc.
11 % This texinfo.tex file is free software; you can redistribute it and/or
12 % modify it under the terms of the GNU General Public License as
13 % published by the Free Software Foundation; either version 2, or (at
14 % your option) any later version.
16 % This texinfo.tex file is distributed in the hope that it will be
17 % useful, but WITHOUT ANY WARRANTY; without even the implied warranty
18 % of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 % General Public License for more details.
21 % You should have received a copy of the GNU General Public License
22 % along with this texinfo.tex file; see the file COPYING. If not, write
23 % to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 % Boston, MA 02111-1307, USA.
26 % In other words, you are welcome to use, share and improve this program.
27 % You are forbidden to forbid anyone else to use, share and improve
28 % what you give them. Help stamp out software-hoarding!
30 % Please try the latest version of texinfo.tex before submitting bug
31 % reports; you can get the latest version from:
32 % ftp://ftp.gnu.org/pub/gnu/texinfo.tex
33 % /home/gd/gnu/doc/texinfo.tex on the GNU machines.
34 % (and all GNU mirrors, see ftp://ftp.gnu.org/pub/gnu/README.mirrors)
35 % ftp://tug.org/tex/texinfo.tex
36 % ftp://ctan.org/macros/texinfo/texinfo.tex
37 % (and all CTAN mirrors, finger ctan@tug.org for a list).
38 % The texinfo.tex in the texinfo distribution itself could well be out
39 % of date, so if that's what you're using, please check.
41 % Send bug reports to bug-texinfo@gnu.org.
42 % Please include a precise test case in each bug report,
43 % including a complete document with which we can reproduce the problem.
45 % To process a Texinfo manual with TeX, it's most reliable to use the
46 % texi2dvi shell script that comes with the distribution. For simple
47 % manuals, you can get away with:
48 % tex foo.texi
49 % texindex foo.??
50 % tex foo.texi
51 % tex foo.texi
52 % dvips foo.dvi -o # or whatever, to process the dvi file.
53 % The extra runs of TeX get the cross-reference information correct.
54 % Sometimes one run after texindex suffices, and sometimes you need more
55 % than two; texi2dvi does it as many times as necessary.
57 \message{Loading texinfo [version \texinfoversion]:}
59 % If in a .fmt file, print the version number
60 % and turn on active characters that we couldn't do earlier because
61 % they might have appeared in the input file name.
62 \everyjob{\message{[Texinfo version \texinfoversion]}%
63 \catcode`+=\active \catcode`\_=\active}
65 % Save some parts of plain tex whose names we will redefine.
67 \let\ptexb=\b
68 \let\ptexbullet=\bullet
69 \let\ptexc=\c
70 \let\ptexcomma=\,
71 \let\ptexdot=\.
72 \let\ptexdots=\dots
73 \let\ptexend=\end
74 \let\ptexequiv=\equiv
75 \let\ptexexclam=\!
76 \let\ptexi=\i
77 \let\ptexlbrace=\{
78 \let\ptexrbrace=\}
79 \let\ptexstar=\*
80 \let\ptext=\t
82 % We never want plain's outer \+ definition in Texinfo.
83 % For @tex, we can use \tabalign.
84 \let\+ = \relax
87 \message{Basics,}
88 \chardef\other=12
90 % If this character appears in an error message or help string, it
91 % starts a new line in the output.
92 \newlinechar = `^^J
94 % Set up fixed words for English if not already set.
95 \ifx\putwordAppendix\undefined \gdef\putwordAppendix{Appendix}\fi
96 \ifx\putwordChapter\undefined \gdef\putwordChapter{Chapter}\fi
97 \ifx\putwordfile\undefined \gdef\putwordfile{file}\fi
98 \ifx\putwordInfo\undefined \gdef\putwordfile{Info}\fi
99 \ifx\putwordMethodon\undefined \gdef\putwordMethodon{Method on}\fi
100 \ifx\putwordon\undefined \gdef\putwordon{on}\fi
101 \ifx\putwordpage\undefined \gdef\putwordpage{page}\fi
102 \ifx\putwordsection\undefined \gdef\putwordsection{section}\fi
103 \ifx\putwordSection\undefined \gdef\putwordSection{Section}\fi
104 \ifx\putwordsee\undefined \gdef\putwordsee{see}\fi
105 \ifx\putwordSee\undefined \gdef\putwordSee{See}\fi
106 \ifx\putwordShortContents\undefined \gdef\putwordShortContents{Short Contents}\fi
107 \ifx\putwordTableofContents\undefined\gdef\putwordTableofContents{Table of Contents}\fi
109 % Ignore a token.
111 \def\gobble#1{}
113 \hyphenation{ap-pen-dix}
114 \hyphenation{mini-buf-fer mini-buf-fers}
115 \hyphenation{eshell}
116 \hyphenation{white-space}
118 % Margin to add to right of even pages, to left of odd pages.
119 \newdimen \bindingoffset
120 \newdimen \normaloffset
121 \newdimen\pagewidth \newdimen\pageheight
123 % Sometimes it is convenient to have everything in the transcript file
124 % and nothing on the terminal. We don't just call \tracingall here,
125 % since that produces some useless output on the terminal.
127 \def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}%
128 \def\loggingall{\tracingcommands2 \tracingstats2
129 \tracingpages1 \tracingoutput1 \tracinglostchars1
130 \tracingmacros2 \tracingparagraphs1 \tracingrestores1
131 \showboxbreadth\maxdimen\showboxdepth\maxdimen
134 % For @cropmarks command.
135 % Do @cropmarks to get crop marks.
137 \newif\ifcropmarks
138 \let\cropmarks = \cropmarkstrue
140 % Dimensions to add cropmarks at corners.
141 % Added by P. A. MacKay, 12 Nov. 1986
143 \newdimen\outerhsize \newdimen\outervsize % set by the paper size routines
144 \newdimen\cornerlong \cornerlong=1pc
145 \newdimen\cornerthick \cornerthick=.3pt
146 \newdimen\topandbottommargin \topandbottommargin=.75in
148 % Main output routine.
149 \chardef\PAGE = 255
150 \output = {\onepageout{\pagecontents\PAGE}}
152 \newbox\headlinebox
153 \newbox\footlinebox
155 % \onepageout takes a vbox as an argument. Note that \pagecontents
156 % does insertions, but you have to call it yourself.
157 \def\onepageout#1{%
158 \ifcropmarks \hoffset=0pt \else \hoffset=\normaloffset \fi
160 \ifodd\pageno \advance\hoffset by \bindingoffset
161 \else \advance\hoffset by -\bindingoffset\fi
163 % Do this outside of the \shipout so @code etc. will be expanded in
164 % the headline as they should be, not taken literally (outputting ''code).
165 \setbox\headlinebox = \vbox{\let\hsize=\pagewidth \makeheadline}%
166 \setbox\footlinebox = \vbox{\let\hsize=\pagewidth \makefootline}%
169 % Have to do this stuff outside the \shipout because we want it to
170 % take effect in \write's, yet the group defined by the \vbox ends
171 % before the \shipout runs.
173 \escapechar = `\\ % use backslash in output files.
174 \indexdummies % don't expand commands in the output.
175 \normalturnoffactive % \ in index entries must not stay \, e.g., if
176 % the page break happens to be in the middle of an example.
177 \shipout\vbox{%
178 \ifcropmarks \vbox to \outervsize\bgroup
179 \hsize = \outerhsize
180 \vskip-\topandbottommargin
181 \vtop to0pt{%
182 \line{\ewtop\hfil\ewtop}%
183 \nointerlineskip
184 \line{%
185 \vbox{\moveleft\cornerthick\nstop}%
186 \hfill
187 \vbox{\moveright\cornerthick\nstop}%
189 \vss}%
190 \vskip\topandbottommargin
191 \line\bgroup
192 \hfil % center the page within the outer (page) hsize.
193 \ifodd\pageno\hskip\bindingoffset\fi
194 \vbox\bgroup
197 \unvbox\headlinebox
198 \pagebody{#1}%
199 \ifdim\ht\footlinebox > 0pt
200 % Only leave this space if the footline is nonempty.
201 % (We lessened \vsize for it in \oddfootingxxx.)
202 % The \baselineskip=24pt in plain's \makefootline has no effect.
203 \vskip 2\baselineskip
204 \unvbox\footlinebox
207 \ifcropmarks
208 \egroup % end of \vbox\bgroup
209 \hfil\egroup % end of (centering) \line\bgroup
210 \vskip\topandbottommargin plus1fill minus1fill
211 \boxmaxdepth = \cornerthick
212 \vbox to0pt{\vss
213 \line{%
214 \vbox{\moveleft\cornerthick\nsbot}%
215 \hfill
216 \vbox{\moveright\cornerthick\nsbot}%
218 \nointerlineskip
219 \line{\ewbot\hfil\ewbot}%
221 \egroup % \vbox from first cropmarks clause
223 }% end of \shipout\vbox
224 }% end of group with \turnoffactive
225 \advancepageno
226 \ifnum\outputpenalty>-20000 \else\dosupereject\fi
229 \newinsert\margin \dimen\margin=\maxdimen
231 \def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}}
232 {\catcode`\@ =11
233 \gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi
234 % marginal hacks, juha@viisa.uucp (Juha Takala)
235 \ifvoid\margin\else % marginal info is present
236 \rlap{\kern\hsize\vbox to\z@{\kern1pt\box\margin \vss}}\fi
237 \dimen@=\dp#1 \unvbox#1
238 \ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi
239 \ifr@ggedbottom \kern-\dimen@ \vfil \fi}
242 % Here are the rules for the cropmarks. Note that they are
243 % offset so that the space between them is truly \outerhsize or \outervsize
244 % (P. A. MacKay, 12 November, 1986)
246 \def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong}
247 \def\nstop{\vbox
248 {\hrule height\cornerthick depth\cornerlong width\cornerthick}}
249 \def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong}
250 \def\nsbot{\vbox
251 {\hrule height\cornerlong depth\cornerthick width\cornerthick}}
253 % Parse an argument, then pass it to #1. The argument is the rest of
254 % the input line (except we remove a trailing comment). #1 should be a
255 % macro which expects an ordinary undelimited TeX argument.
257 \def\parsearg#1{%
258 \let\next = #1%
259 \begingroup
260 \obeylines
261 \futurelet\temp\parseargx
264 % If the next token is an obeyed space (from an @example environment or
265 % the like), remove it and recurse. Otherwise, we're done.
266 \def\parseargx{%
267 % \obeyedspace is defined far below, after the definition of \sepspaces.
268 \ifx\obeyedspace\temp
269 \expandafter\parseargdiscardspace
270 \else
271 \expandafter\parseargline
275 % Remove a single space (as the delimiter token to the macro call).
276 {\obeyspaces %
277 \gdef\parseargdiscardspace {\futurelet\temp\parseargx}}
279 {\obeylines %
280 \gdef\parseargline#1^^M{%
281 \endgroup % End of the group started in \parsearg.
283 % First remove any @c comment, then any @comment.
284 % Result of each macro is put in \toks0.
285 \argremovec #1\c\relax %
286 \expandafter\argremovecomment \the\toks0 \comment\relax %
288 % Call the caller's macro, saved as \next in \parsearg.
289 \expandafter\next\expandafter{\the\toks0}%
293 % Since all \c{,omment} does is throw away the argument, we can let TeX
294 % do that for us. The \relax here is matched by the \relax in the call
295 % in \parseargline; it could be more or less anything, its purpose is
296 % just to delimit the argument to the \c.
297 \def\argremovec#1\c#2\relax{\toks0 = {#1}}
298 \def\argremovecomment#1\comment#2\relax{\toks0 = {#1}}
300 % \argremovec{,omment} might leave us with trailing spaces, though; e.g.,
301 % @end itemize @c foo
302 % will have two active spaces as part of the argument with the
303 % `itemize'. Here we remove all active spaces from #1, and assign the
304 % result to \toks0.
306 % This loses if there are any *other* active characters besides spaces
307 % in the argument -- _ ^ +, for example -- since they get expanded.
308 % Fortunately, Texinfo does not define any such commands. (If it ever
309 % does, the catcode of the characters in questionwill have to be changed
310 % here.) But this means we cannot call \removeactivespaces as part of
311 % \argremovec{,omment}, since @c uses \parsearg, and thus the argument
312 % that \parsearg gets might well have any character at all in it.
314 \def\removeactivespaces#1{%
315 \begingroup
316 \ignoreactivespaces
317 \edef\temp{#1}%
318 \global\toks0 = \expandafter{\temp}%
319 \endgroup
322 % Change the active space to expand to nothing.
324 \begingroup
325 \obeyspaces
326 \gdef\ignoreactivespaces{\obeyspaces\let =\empty}
327 \endgroup
330 \def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next}
332 %% These are used to keep @begin/@end levels from running away
333 %% Call \inENV within environments (after a \begingroup)
334 \newif\ifENV \ENVfalse \def\inENV{\ifENV\relax\else\ENVtrue\fi}
335 \def\ENVcheck{%
336 \ifENV\errmessage{Still within an environment. Type Return to continue.}
337 \endgroup\fi} % This is not perfect, but it should reduce lossage
339 % @begin foo is the same as @foo, for now.
340 \newhelp\EMsimple{Type <Return> to continue.}
342 \outer\def\begin{\parsearg\beginxxx}
344 \def\beginxxx #1{%
345 \expandafter\ifx\csname #1\endcsname\relax
346 {\errhelp=\EMsimple \errmessage{Undefined command @begin #1}}\else
347 \csname #1\endcsname\fi}
349 % @end foo executes the definition of \Efoo.
351 \def\end{\parsearg\endxxx}
352 \def\endxxx #1{%
353 \removeactivespaces{#1}%
354 \edef\endthing{\the\toks0}%
356 \expandafter\ifx\csname E\endthing\endcsname\relax
357 \expandafter\ifx\csname \endthing\endcsname\relax
358 % There's no \foo, i.e., no ``environment'' foo.
359 \errhelp = \EMsimple
360 \errmessage{Undefined command `@end \endthing'}%
361 \else
362 \unmatchedenderror\endthing
364 \else
365 % Everything's ok; the right environment has been started.
366 \csname E\endthing\endcsname
370 % There is an environment #1, but it hasn't been started. Give an error.
372 \def\unmatchedenderror#1{%
373 \errhelp = \EMsimple
374 \errmessage{This `@end #1' doesn't have a matching `@#1'}%
377 % Define the control sequence \E#1 to give an unmatched @end error.
379 \def\defineunmatchedend#1{%
380 \expandafter\def\csname E#1\endcsname{\unmatchedenderror{#1}}%
384 % Single-spacing is done by various environments (specifically, in
385 % \nonfillstart and \quotations).
386 \newskip\singlespaceskip \singlespaceskip = 12.5pt
387 \def\singlespace{%
388 % Why was this kern here? It messes up equalizing space above and below
389 % environments. --karl, 6may93
390 %{\advance \baselineskip by -\singlespaceskip
391 %\kern \baselineskip}%
392 \setleading \singlespaceskip
395 %% Simple single-character @ commands
397 % @@ prints an @
398 % Kludge this until the fonts are right (grr).
399 \def\@{{\tt\char64}}
401 % This is turned off because it was never documented
402 % and you can use @w{...} around a quote to suppress ligatures.
403 %% Define @` and @' to be the same as ` and '
404 %% but suppressing ligatures.
405 %\def\`{{`}}
406 %\def\'{{'}}
408 % Used to generate quoted braces.
409 \def\mylbrace {{\tt\char123}}
410 \def\myrbrace {{\tt\char125}}
411 \let\{=\mylbrace
412 \let\}=\myrbrace
413 \begingroup
414 % Definitions to produce actual \{ & \} command in an index.
415 \catcode`\{ = 12 \catcode`\} = 12
416 \catcode`\[ = 1 \catcode`\] = 2
417 \catcode`\@ = 0 \catcode`\\ = 12
418 @gdef@lbracecmd[\{]%
419 @gdef@rbracecmd[\}]%
420 @endgroup
422 % Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent
423 % Others are defined by plain TeX: @` @' @" @^ @~ @= @v @H.
424 \let\, = \c
425 \let\dotaccent = \.
426 \def\ringaccent#1{{\accent23 #1}}
427 \let\tieaccent = \t
428 \let\ubaraccent = \b
429 \let\udotaccent = \d
431 % Other special characters: @questiondown @exclamdown
432 % Plain TeX defines: @AA @AE @O @OE @L (and lowercase versions) @ss.
433 \def\questiondown{?`}
434 \def\exclamdown{!`}
436 % Dotless i and dotless j, used for accents.
437 \def\imacro{i}
438 \def\jmacro{j}
439 \def\dotless#1{%
440 \def\temp{#1}%
441 \ifx\temp\imacro \ptexi
442 \else\ifx\temp\jmacro \j
443 \else \errmessage{@dotless can be used only with i or j}%
444 \fi\fi
447 % Be sure we're in horizontal mode when doing a tie, since we make space
448 % equivalent to this in @example-like environments. Otherwise, a space
449 % at the beginning of a line will start with \penalty -- and
450 % since \penalty is valid in vertical mode, we'd end up putting the
451 % penalty on the vertical list instead of in the new paragraph.
452 {\catcode`@ = 11
453 % Avoid using \@M directly, because that causes trouble
454 % if the definition is written into an index file.
455 \global\let\tiepenalty = \@M
456 \gdef\tie{\leavevmode\penalty\tiepenalty\ }
459 % @: forces normal size whitespace following.
460 \def\:{\spacefactor=1000 }
462 % @* forces a line break.
463 \def\*{\hfil\break\hbox{}\ignorespaces}
465 % @. is an end-of-sentence period.
466 \def\.{.\spacefactor=3000 }
468 % @! is an end-of-sentence bang.
469 \def\!{!\spacefactor=3000 }
471 % @? is an end-of-sentence query.
472 \def\?{?\spacefactor=3000 }
474 % @w prevents a word break. Without the \leavevmode, @w at the
475 % beginning of a paragraph, when TeX is still in vertical mode, would
476 % produce a whole line of output instead of starting the paragraph.
477 \def\w#1{\leavevmode\hbox{#1}}
479 % @group ... @end group forces ... to be all on one page, by enclosing
480 % it in a TeX vbox. We use \vtop instead of \vbox to construct the box
481 % to keep its height that of a normal line. According to the rules for
482 % \topskip (p.114 of the TeXbook), the glue inserted is
483 % max (\topskip - \ht (first item), 0). If that height is large,
484 % therefore, no glue is inserted, and the space between the headline and
485 % the text is small, which looks bad.
487 \def\group{\begingroup
488 \ifnum\catcode13=\active \else
489 \errhelp = \groupinvalidhelp
490 \errmessage{@group invalid in context where filling is enabled}%
493 % The \vtop we start below produces a box with normal height and large
494 % depth; thus, TeX puts \baselineskip glue before it, and (when the
495 % next line of text is done) \lineskip glue after it. (See p.82 of
496 % the TeXbook.) Thus, space below is not quite equal to space
497 % above. But it's pretty close.
498 \def\Egroup{%
499 \egroup % End the \vtop.
500 \endgroup % End the \group.
503 \vtop\bgroup
504 % We have to put a strut on the last line in case the @group is in
505 % the midst of an example, rather than completely enclosing it.
506 % Otherwise, the interline space between the last line of the group
507 % and the first line afterwards is too small. But we can't put the
508 % strut in \Egroup, since there it would be on a line by itself.
509 % Hence this just inserts a strut at the beginning of each line.
510 \everypar = {\strut}%
512 % Since we have a strut on every line, we don't need any of TeX's
513 % normal interline spacing.
514 \offinterlineskip
516 % OK, but now we have to do something about blank
517 % lines in the input in @example-like environments, which normally
518 % just turn into \lisppar, which will insert no space now that we've
519 % turned off the interline space. Simplest is to make them be an
520 % empty paragraph.
521 \ifx\par\lisppar
522 \edef\par{\leavevmode \par}%
524 % Reset ^^M's definition to new definition of \par.
525 \obeylines
528 % Do @comment since we are called inside an environment such as
529 % @example, where each end-of-line in the input causes an
530 % end-of-line in the output. We don't want the end-of-line after
531 % the `@group' to put extra space in the output. Since @group
532 % should appear on a line by itself (according to the Texinfo
533 % manual), we don't worry about eating any user text.
534 \comment
537 % TeX puts in an \escapechar (i.e., `@') at the beginning of the help
538 % message, so this ends up printing `@group can only ...'.
540 \newhelp\groupinvalidhelp{%
541 group can only be used in environments such as @example,^^J%
542 where each line of input produces a line of output.}
544 % @need space-in-mils
545 % forces a page break if there is not space-in-mils remaining.
547 \newdimen\mil \mil=0.001in
549 \def\need{\parsearg\needx}
551 % Old definition--didn't work.
552 %\def\needx #1{\par %
553 %% This method tries to make TeX break the page naturally
554 %% if the depth of the box does not fit.
555 %{\baselineskip=0pt%
556 %\vtop to #1\mil{\vfil}\kern -#1\mil\penalty 10000
557 %\prevdepth=-1000pt
560 \def\needx#1{%
561 % Go into vertical mode, so we don't make a big box in the middle of a
562 % paragraph.
563 \par
565 % Don't add any leading before our big empty box, but allow a page
566 % break, since the best break might be right here.
567 \allowbreak
568 \nointerlineskip
569 \vtop to #1\mil{\vfil}%
571 % TeX does not even consider page breaks if a penalty added to the
572 % main vertical list is 10000 or more. But in order to see if the
573 % empty box we just added fits on the page, we must make it consider
574 % page breaks. On the other hand, we don't want to actually break the
575 % page after the empty box. So we use a penalty of 9999.
577 % There is an extremely small chance that TeX will actually break the
578 % page at this \penalty, if there are no other feasible breakpoints in
579 % sight. (If the user is using lots of big @group commands, which
580 % almost-but-not-quite fill up a page, TeX will have a hard time doing
581 % good page breaking, for example.) However, I could not construct an
582 % example where a page broke at this \penalty; if it happens in a real
583 % document, then we can reconsider our strategy.
584 \penalty9999
586 % Back up by the size of the box, whether we did a page break or not.
587 \kern -#1\mil
589 % Do not allow a page break right after this kern.
590 \nobreak
593 % @br forces paragraph break
595 \let\br = \par
597 % @dots{} output an ellipsis using the current font.
598 % We do .5em per period so that it has the same spacing in a typewriter
599 % font as three actual period characters.
601 \def\dots{\hbox to 1.5em{%
602 \hskip 0pt plus 0.25fil minus 0.25fil
603 .\hss.\hss.%
604 \hskip 0pt plus 0.5fil minus 0.5fil
607 % @enddots{} is an end-of-sentence ellipsis.
609 \def\enddots{%
610 \hbox to 2em{%
611 \hskip 0pt plus 0.25fil minus 0.25fil
612 .\hss.\hss.\hss.%
613 \hskip 0pt plus 0.5fil minus 0.5fil
615 \spacefactor=3000
619 % @page forces the start of a new page
621 \def\page{\par\vfill\supereject}
623 % @exdent text....
624 % outputs text on separate line in roman font, starting at standard page margin
626 % This records the amount of indent in the innermost environment.
627 % That's how much \exdent should take out.
628 \newskip\exdentamount
630 % This defn is used inside fill environments such as @defun.
631 \def\exdent{\parsearg\exdentyyy}
632 \def\exdentyyy #1{{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break}}
634 % This defn is used inside nofill environments such as @example.
635 \def\nofillexdent{\parsearg\nofillexdentyyy}
636 \def\nofillexdentyyy #1{{\advance \leftskip by -\exdentamount
637 \leftline{\hskip\leftskip{\rm#1}}}}
639 % @inmargin{TEXT} puts TEXT in the margin next to the current paragraph.
641 \def\inmargin#1{%
642 \strut\vadjust{\nobreak\kern-\strutdepth
643 \vtop to \strutdepth{\baselineskip\strutdepth\vss
644 \llap{\rightskip=\inmarginspacing \vbox{\noindent #1}}\null}}}
645 \newskip\inmarginspacing \inmarginspacing=1cm
646 \def\strutdepth{\dp\strutbox}
648 %\hbox{{\rm#1}}\hfil\break}}
650 % @include file insert text of that file as input.
651 % Allow normal characters that we make active in the argument (a file name).
652 \def\include{\begingroup
653 \catcode`\\=12
654 \catcode`~=12
655 \catcode`^=12
656 \catcode`_=12
657 \catcode`|=12
658 \catcode`<=12
659 \catcode`>=12
660 \catcode`+=12
661 \parsearg\includezzz}
662 % Restore active chars for included file.
663 \def\includezzz#1{\endgroup\begingroup
664 % Read the included file in a group so nested @include's work.
665 \def\thisfile{#1}%
666 \input\thisfile
667 \endgroup}
669 \def\thisfile{}
671 % @center line outputs that line, centered
673 \def\center{\parsearg\centerzzz}
674 \def\centerzzz #1{{\advance\hsize by -\leftskip
675 \advance\hsize by -\rightskip
676 \centerline{#1}}}
678 % @sp n outputs n lines of vertical space
680 \def\sp{\parsearg\spxxx}
681 \def\spxxx #1{\vskip #1\baselineskip}
683 % @comment ...line which is ignored...
684 % @c is the same as @comment
685 % @ignore ... @end ignore is another way to write a comment
687 \def\comment{\catcode 64=\other \catcode 123=\other \catcode 125=\other%
688 \parsearg \commentxxx}
690 \def\commentxxx #1{\catcode 64=0 \catcode 123=1 \catcode 125=2 }
692 \let\c=\comment
694 % @paragraphindent is defined for the Info formatting commands only.
695 \let\paragraphindent=\comment
697 % Prevent errors for section commands.
698 % Used in @ignore and in failing conditionals.
699 \def\ignoresections{%
700 \let\chapter=\relax
701 \let\unnumbered=\relax
702 \let\top=\relax
703 \let\unnumberedsec=\relax
704 \let\unnumberedsection=\relax
705 \let\unnumberedsubsec=\relax
706 \let\unnumberedsubsection=\relax
707 \let\unnumberedsubsubsec=\relax
708 \let\unnumberedsubsubsection=\relax
709 \let\section=\relax
710 \let\subsec=\relax
711 \let\subsubsec=\relax
712 \let\subsection=\relax
713 \let\subsubsection=\relax
714 \let\appendix=\relax
715 \let\appendixsec=\relax
716 \let\appendixsection=\relax
717 \let\appendixsubsec=\relax
718 \let\appendixsubsection=\relax
719 \let\appendixsubsubsec=\relax
720 \let\appendixsubsubsection=\relax
721 \let\contents=\relax
722 \let\smallbook=\relax
723 \let\titlepage=\relax
726 % Used in nested conditionals, where we have to parse the Texinfo source
727 % and so want to turn off most commands, in case they are used
728 % incorrectly.
730 \def\ignoremorecommands{%
731 \let\defcodeindex = \relax
732 \let\defcv = \relax
733 \let\deffn = \relax
734 \let\deffnx = \relax
735 \let\defindex = \relax
736 \let\defivar = \relax
737 \let\defmac = \relax
738 \let\defmethod = \relax
739 \let\defop = \relax
740 \let\defopt = \relax
741 \let\defspec = \relax
742 \let\deftp = \relax
743 \let\deftypefn = \relax
744 \let\deftypefun = \relax
745 \let\deftypevar = \relax
746 \let\deftypevr = \relax
747 \let\defun = \relax
748 \let\defvar = \relax
749 \let\defvr = \relax
750 \let\ref = \relax
751 \let\xref = \relax
752 \let\printindex = \relax
753 \let\pxref = \relax
754 \let\settitle = \relax
755 \let\setchapternewpage = \relax
756 \let\setchapterstyle = \relax
757 \let\everyheading = \relax
758 \let\evenheading = \relax
759 \let\oddheading = \relax
760 \let\everyfooting = \relax
761 \let\evenfooting = \relax
762 \let\oddfooting = \relax
763 \let\headings = \relax
764 \let\include = \relax
765 \let\lowersections = \relax
766 \let\down = \relax
767 \let\raisesections = \relax
768 \let\up = \relax
769 \let\set = \relax
770 \let\clear = \relax
771 \let\item = \relax
774 % Ignore @ignore ... @end ignore.
776 \def\ignore{\doignore{ignore}}
778 % Ignore @ifinfo, @ifhtml, @ifnottex, @html, @menu, and @direntry text.
780 \def\ifinfo{\doignore{ifinfo}}
781 \def\ifhtml{\doignore{ifhtml}}
782 \def\ifnottex{\doignore{ifnottex}}
783 \def\html{\doignore{html}}
784 \def\menu{\doignore{menu}}
785 \def\direntry{\doignore{direntry}}
787 % @dircategory CATEGORY -- specify a category of the dir file
788 % which this file should belong to. Ignore this in TeX.
789 \let\dircategory = \comment
791 % Ignore text until a line `@end #1'.
793 \def\doignore#1{\begingroup
794 % Don't complain about control sequences we have declared \outer.
795 \ignoresections
797 % Define a command to swallow text until we reach `@end #1'.
798 % This @ is a catcode 12 token (that is the normal catcode of @ in
799 % this texinfo.tex file). We change the catcode of @ below to match.
800 \long\def\doignoretext##1@end #1{\enddoignore}%
802 % Make sure that spaces turn into tokens that match what \doignoretext wants.
803 \catcode32 = 10
805 % Ignore braces, too, so mismatched braces don't cause trouble.
806 \catcode`\{ = 9
807 \catcode`\} = 9
809 % We must not have @c interpreted as a control sequence.
810 \catcode`\@ = 12
812 % Make the letter c a comment character so that the rest of the line
813 % will be ignored. This way, the document can have (for example)
814 % @c @end ifinfo
815 % and the @end ifinfo will be properly ignored.
816 % (We've just changed @ to catcode 12.)
817 \catcode`\c = 14
819 % And now expand that command.
820 \doignoretext
823 % What we do to finish off ignored text.
825 \def\enddoignore{\endgroup\ignorespaces}%
827 \newif\ifwarnedobs\warnedobsfalse
828 \def\obstexwarn{%
829 \ifwarnedobs\relax\else
830 % We need to warn folks that they may have trouble with TeX 3.0.
831 % This uses \immediate\write16 rather than \message to get newlines.
832 \immediate\write16{}
833 \immediate\write16{***WARNING*** for users of Unix TeX 3.0!}
834 \immediate\write16{This manual trips a bug in TeX version 3.0 (tex hangs).}
835 \immediate\write16{If you are running another version of TeX, relax.}
836 \immediate\write16{If you are running Unix TeX 3.0, kill this TeX process.}
837 \immediate\write16{ Then upgrade your TeX installation if you can.}
838 \immediate\write16{ (See ftp://ftp.gnu.org/pub/gnu/TeX.README.)}
839 \immediate\write16{If you are stuck with version 3.0, run the}
840 \immediate\write16{ script ``tex3patch'' from the Texinfo distribution}
841 \immediate\write16{ to use a workaround.}
842 \immediate\write16{}
843 \global\warnedobstrue
847 % **In TeX 3.0, setting text in \nullfont hangs tex. For a
848 % workaround (which requires the file ``dummy.tfm'' to be installed),
849 % uncomment the following line:
850 %%%%%\font\nullfont=dummy\let\obstexwarn=\relax
852 % Ignore text, except that we keep track of conditional commands for
853 % purposes of nesting, up to an `@end #1' command.
855 \def\nestedignore#1{%
856 \obstexwarn
857 % We must actually expand the ignored text to look for the @end
858 % command, so that nested ignore constructs work. Thus, we put the
859 % text into a \vbox and then do nothing with the result. To minimize
860 % the change of memory overflow, we follow the approach outlined on
861 % page 401 of the TeXbook: make the current font be a dummy font.
863 \setbox0 = \vbox\bgroup
864 % Don't complain about control sequences we have declared \outer.
865 \ignoresections
867 % Define `@end #1' to end the box, which will in turn undefine the
868 % @end command again.
869 \expandafter\def\csname E#1\endcsname{\egroup\ignorespaces}%
871 % We are going to be parsing Texinfo commands. Most cause no
872 % trouble when they are used incorrectly, but some commands do
873 % complicated argument parsing or otherwise get confused, so we
874 % undefine them.
876 % We can't do anything about stray @-signs, unfortunately;
877 % they'll produce `undefined control sequence' errors.
878 \ignoremorecommands
880 % Set the current font to be \nullfont, a TeX primitive, and define
881 % all the font commands to also use \nullfont. We don't use
882 % dummy.tfm, as suggested in the TeXbook, because not all sites
883 % might have that installed. Therefore, math mode will still
884 % produce output, but that should be an extremely small amount of
885 % stuff compared to the main input.
887 \nullfont
888 \let\tenrm = \nullfont \let\tenit = \nullfont \let\tensl = \nullfont
889 \let\tenbf = \nullfont \let\tentt = \nullfont \let\smallcaps = \nullfont
890 \let\tensf = \nullfont
891 % Similarly for index fonts (mostly for their use in
892 % smallexample)
893 \let\indrm = \nullfont \let\indit = \nullfont \let\indsl = \nullfont
894 \let\indbf = \nullfont \let\indtt = \nullfont \let\indsc = \nullfont
895 \let\indsf = \nullfont
897 % Don't complain when characters are missing from the fonts.
898 \tracinglostchars = 0
900 % Don't bother to do space factor calculations.
901 \frenchspacing
903 % Don't report underfull hboxes.
904 \hbadness = 10000
906 % Do minimal line-breaking.
907 \pretolerance = 10000
909 % Do not execute instructions in @tex
910 \def\tex{\doignore{tex}}%
913 % @set VAR sets the variable VAR to an empty value.
914 % @set VAR REST-OF-LINE sets VAR to the value REST-OF-LINE.
916 % Since we want to separate VAR from REST-OF-LINE (which might be
917 % empty), we can't just use \parsearg; we have to insert a space of our
918 % own to delimit the rest of the line, and then take it out again if we
919 % didn't need it. Make sure the catcode of space is correct to avoid
920 % losing inside @example, for instance.
922 \def\set{\begingroup\catcode` =10
923 \catcode`\-=12 \catcode`\_=12 % Allow - and _ in VAR.
924 \parsearg\setxxx}
925 \def\setxxx#1{\setyyy#1 \endsetyyy}
926 \def\setyyy#1 #2\endsetyyy{%
927 \def\temp{#2}%
928 \ifx\temp\empty \global\expandafter\let\csname SET#1\endcsname = \empty
929 \else \setzzz{#1}#2\endsetzzz % Remove the trailing space \setxxx inserted.
931 \endgroup
933 % Can't use \xdef to pre-expand #2 and save some time, since \temp or
934 % \next or other control sequences that we've defined might get us into
935 % an infinite loop. Consider `@set foo @cite{bar}'.
936 \def\setzzz#1#2 \endsetzzz{\expandafter\gdef\csname SET#1\endcsname{#2}}
938 % @clear VAR clears (i.e., unsets) the variable VAR.
940 \def\clear{\parsearg\clearxxx}
941 \def\clearxxx#1{\global\expandafter\let\csname SET#1\endcsname=\relax}
943 % @value{foo} gets the text saved in variable foo.
945 \def\value{\begingroup
946 \catcode`\-=12 \catcode`\_=12 % Allow - and _ in VAR.
947 \valuexxx}
948 \def\valuexxx#1{\expandablevalue{#1}\endgroup}
950 % We have this subroutine so that we can handle at least some @value's
951 % properly in indexes (we \let\value to this in \indexdummies). Ones
952 % whose names contain - or _ still won't work, but we can't do anything
953 % about that. The command has to be fully expandable, since the result
954 % winds up in the index file. This means that if the variable's value
955 % contains other Texinfo commands, it's almost certain it will fail
956 % (although perhaps we could fix that with sufficient work to do a
957 % one-level expansion on the result, instead of complete).
959 \def\expandablevalue#1{%
960 \expandafter\ifx\csname SET#1\endcsname\relax
961 {[No value for ``#1'']}%
962 \else
963 \csname SET#1\endcsname
967 % @ifset VAR ... @end ifset reads the `...' iff VAR has been defined
968 % with @set.
970 \def\ifset{\parsearg\ifsetxxx}
971 \def\ifsetxxx #1{%
972 \expandafter\ifx\csname SET#1\endcsname\relax
973 \expandafter\ifsetfail
974 \else
975 \expandafter\ifsetsucceed
978 \def\ifsetsucceed{\conditionalsucceed{ifset}}
979 \def\ifsetfail{\nestedignore{ifset}}
980 \defineunmatchedend{ifset}
982 % @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been
983 % defined with @set, or has been undefined with @clear.
985 \def\ifclear{\parsearg\ifclearxxx}
986 \def\ifclearxxx #1{%
987 \expandafter\ifx\csname SET#1\endcsname\relax
988 \expandafter\ifclearsucceed
989 \else
990 \expandafter\ifclearfail
993 \def\ifclearsucceed{\conditionalsucceed{ifclear}}
994 \def\ifclearfail{\nestedignore{ifclear}}
995 \defineunmatchedend{ifclear}
997 % @iftex, @ifnothtml, @ifnotinfo always succeed; we read the text
998 % following, through the first @end iftex (etc.). Make `@end iftex'
999 % (etc.) valid only after an @iftex.
1001 \def\iftex{\conditionalsucceed{iftex}}
1002 \def\ifnothtml{\conditionalsucceed{ifnothtml}}
1003 \def\ifnotinfo{\conditionalsucceed{ifnotinfo}}
1004 \defineunmatchedend{iftex}
1005 \defineunmatchedend{ifnothtml}
1006 \defineunmatchedend{ifnotinfo}
1008 % We can't just want to start a group at @iftex (for example) and end it
1009 % at @end iftex, since then @set commands inside the conditional have no
1010 % effect (they'd get reverted at the end of the group). So we must
1011 % define \Eiftex to redefine itself to be its previous value. (We can't
1012 % just define it to fail again with an ``unmatched end'' error, since
1013 % the @ifset might be nested.)
1015 \def\conditionalsucceed#1{%
1016 \edef\temp{%
1017 % Remember the current value of \E#1.
1018 \let\nece{prevE#1} = \nece{E#1}%
1020 % At the `@end #1', redefine \E#1 to be its previous value.
1021 \def\nece{E#1}{\let\nece{E#1} = \nece{prevE#1}}%
1023 \temp
1026 % We need to expand lots of \csname's, but we don't want to expand the
1027 % control sequences after we've constructed them.
1029 \def\nece#1{\expandafter\noexpand\csname#1\endcsname}
1031 % @asis just yields its argument. Used with @table, for example.
1033 \def\asis#1{#1}
1035 % @math means output in math mode.
1036 % We don't use $'s directly in the definition of \math because control
1037 % sequences like \math are expanded when the toc file is written. Then,
1038 % we read the toc file back, the $'s will be normal characters (as they
1039 % should be, according to the definition of Texinfo). So we must use a
1040 % control sequence to switch into and out of math mode.
1042 % This isn't quite enough for @math to work properly in indices, but it
1043 % seems unlikely it will ever be needed there.
1045 \let\implicitmath = $
1046 \def\math#1{\implicitmath #1\implicitmath}
1048 % @bullet and @minus need the same treatment as @math, just above.
1049 \def\bullet{\implicitmath\ptexbullet\implicitmath}
1050 \def\minus{\implicitmath-\implicitmath}
1052 \def\node{\ENVcheck\parsearg\nodezzz}
1053 \def\nodezzz#1{\nodexxx [#1,]}
1054 \def\nodexxx[#1,#2]{\gdef\lastnode{#1}}
1055 \let\nwnode=\node
1056 \let\lastnode=\relax
1058 \def\donoderef{\ifx\lastnode\relax\else
1059 \expandafter\expandafter\expandafter\setref{\lastnode}\fi
1060 \global\let\lastnode=\relax}
1062 \def\unnumbnoderef{\ifx\lastnode\relax\else
1063 \expandafter\expandafter\expandafter\unnumbsetref{\lastnode}\fi
1064 \global\let\lastnode=\relax}
1066 \def\appendixnoderef{\ifx\lastnode\relax\else
1067 \expandafter\expandafter\expandafter\appendixsetref{\lastnode}\fi
1068 \global\let\lastnode=\relax}
1070 % @refill is a no-op.
1071 \let\refill=\relax
1073 % If working on a large document in chapters, it is convenient to
1074 % be able to disable indexing, cross-referencing, and contents, for test runs.
1075 % This is done with @novalidate (before @setfilename).
1077 \newif\iflinks \linkstrue % by default we want the aux files.
1078 \let\novalidate = \linksfalse
1080 % @setfilename is done at the beginning of every texinfo file.
1081 % So open here the files we need to have open while reading the input.
1082 % This makes it possible to make a .fmt file for texinfo.
1083 \def\setfilename{%
1084 \iflinks
1085 \readauxfile
1086 \opencontents
1087 \fi % \openindices needs to do some work in any case.
1088 \openindices
1089 \fixbackslash % Turn off hack to swallow `\input texinfo'.
1090 \global\let\setfilename=\comment % Ignore extra @setfilename cmds.
1092 % If texinfo.cnf is present on the system, read it.
1093 % Useful for site-wide @afourpaper, etc.
1094 % Just to be on the safe side, close the input stream before the \input.
1095 \openin 1 texinfo.cnf
1096 \ifeof1 \let\temp=\relax \else \def\temp{\input texinfo.cnf }\fi
1097 \closein1
1098 \temp
1100 \comment % Ignore the actual filename.
1103 % Called from \setfilename.
1105 \def\openindices{%
1106 \newindex{cp}%
1107 \newcodeindex{fn}%
1108 \newcodeindex{vr}%
1109 \newcodeindex{tp}%
1110 \newcodeindex{ky}%
1111 \newcodeindex{pg}%
1114 % @bye.
1115 \outer\def\bye{\pagealignmacro\tracingstats=1\ptexend}
1118 \message{fonts,}
1119 % Font-change commands.
1121 % Texinfo sort of supports the sans serif font style, which plain TeX does not.
1122 % So we set up a \sf analogous to plain's \rm, etc.
1123 \newfam\sffam
1124 \def\sf{\fam=\sffam \tensf}
1125 \let\li = \sf % Sometimes we call it \li, not \sf.
1127 % We don't need math for this one.
1128 \def\ttsl{\tenttsl}
1130 % Use Computer Modern fonts at \magstephalf (11pt).
1131 \newcount\mainmagstep
1132 \mainmagstep=\magstephalf
1134 % Set the font macro #1 to the font named #2, adding on the
1135 % specified font prefix (normally `cm').
1136 % #3 is the font's design size, #4 is a scale factor
1137 \def\setfont#1#2#3#4{\font#1=\fontprefix#2#3 scaled #4}
1139 % Use cm as the default font prefix.
1140 % To specify the font prefix, you must define \fontprefix
1141 % before you read in texinfo.tex.
1142 \ifx\fontprefix\undefined
1143 \def\fontprefix{cm}
1145 % Support font families that don't use the same naming scheme as CM.
1146 \def\rmshape{r}
1147 \def\rmbshape{bx} %where the normal face is bold
1148 \def\bfshape{b}
1149 \def\bxshape{bx}
1150 \def\ttshape{tt}
1151 \def\ttbshape{tt}
1152 \def\ttslshape{sltt}
1153 \def\itshape{ti}
1154 \def\itbshape{bxti}
1155 \def\slshape{sl}
1156 \def\slbshape{bxsl}
1157 \def\sfshape{ss}
1158 \def\sfbshape{ss}
1159 \def\scshape{csc}
1160 \def\scbshape{csc}
1162 \ifx\bigger\relax
1163 \let\mainmagstep=\magstep1
1164 \setfont\textrm\rmshape{12}{1000}
1165 \setfont\texttt\ttshape{12}{1000}
1166 \else
1167 \setfont\textrm\rmshape{10}{\mainmagstep}
1168 \setfont\texttt\ttshape{10}{\mainmagstep}
1170 % Instead of cmb10, you many want to use cmbx10.
1171 % cmbx10 is a prettier font on its own, but cmb10
1172 % looks better when embedded in a line with cmr10.
1173 \setfont\textbf\bfshape{10}{\mainmagstep}
1174 \setfont\textit\itshape{10}{\mainmagstep}
1175 \setfont\textsl\slshape{10}{\mainmagstep}
1176 \setfont\textsf\sfshape{10}{\mainmagstep}
1177 \setfont\textsc\scshape{10}{\mainmagstep}
1178 \setfont\textttsl\ttslshape{10}{\mainmagstep}
1179 \font\texti=cmmi10 scaled \mainmagstep
1180 \font\textsy=cmsy10 scaled \mainmagstep
1182 % A few fonts for @defun, etc.
1183 \setfont\defbf\bxshape{10}{\magstep1} %was 1314
1184 \setfont\deftt\ttshape{10}{\magstep1}
1185 \def\df{\let\tentt=\deftt \let\tenbf = \defbf \bf}
1187 % Fonts for indices and small examples (9pt).
1188 % We actually use the slanted font rather than the italic,
1189 % because texinfo normally uses the slanted fonts for that.
1190 % Do not make many font distinctions in general in the index, since they
1191 % aren't very useful.
1192 \setfont\ninett\ttshape{9}{1000}
1193 \setfont\indrm\rmshape{9}{1000}
1194 \setfont\indit\slshape{9}{1000}
1195 \let\indsl=\indit
1196 \let\indtt=\ninett
1197 \let\indttsl=\ninett
1198 \let\indsf=\indrm
1199 \let\indbf=\indrm
1200 \setfont\indsc\scshape{10}{900}
1201 \font\indi=cmmi9
1202 \font\indsy=cmsy9
1204 % Fonts for title page:
1205 \setfont\titlerm\rmbshape{12}{\magstep3}
1206 \setfont\titleit\itbshape{10}{\magstep4}
1207 \setfont\titlesl\slbshape{10}{\magstep4}
1208 \setfont\titlett\ttbshape{12}{\magstep3}
1209 \setfont\titlettsl\ttslshape{10}{\magstep4}
1210 \setfont\titlesf\sfbshape{17}{\magstep1}
1211 \let\titlebf=\titlerm
1212 \setfont\titlesc\scbshape{10}{\magstep4}
1213 \font\titlei=cmmi12 scaled \magstep3
1214 \font\titlesy=cmsy10 scaled \magstep4
1215 \def\authorrm{\secrm}
1217 % Chapter (and unnumbered) fonts (17.28pt).
1218 \setfont\chaprm\rmbshape{12}{\magstep2}
1219 \setfont\chapit\itbshape{10}{\magstep3}
1220 \setfont\chapsl\slbshape{10}{\magstep3}
1221 \setfont\chaptt\ttbshape{12}{\magstep2}
1222 \setfont\chapttsl\ttslshape{10}{\magstep3}
1223 \setfont\chapsf\sfbshape{17}{1000}
1224 \let\chapbf=\chaprm
1225 \setfont\chapsc\scbshape{10}{\magstep3}
1226 \font\chapi=cmmi12 scaled \magstep2
1227 \font\chapsy=cmsy10 scaled \magstep3
1229 % Section fonts (14.4pt).
1230 \setfont\secrm\rmbshape{12}{\magstep1}
1231 \setfont\secit\itbshape{10}{\magstep2}
1232 \setfont\secsl\slbshape{10}{\magstep2}
1233 \setfont\sectt\ttbshape{12}{\magstep1}
1234 \setfont\secttsl\ttslshape{10}{\magstep2}
1235 \setfont\secsf\sfbshape{12}{\magstep1}
1236 \let\secbf\secrm
1237 \setfont\secsc\scbshape{10}{\magstep2}
1238 \font\seci=cmmi12 scaled \magstep1
1239 \font\secsy=cmsy10 scaled \magstep2
1241 % \setfont\ssecrm\bxshape{10}{\magstep1} % This size an font looked bad.
1242 % \setfont\ssecit\itshape{10}{\magstep1} % The letters were too crowded.
1243 % \setfont\ssecsl\slshape{10}{\magstep1}
1244 % \setfont\ssectt\ttshape{10}{\magstep1}
1245 % \setfont\ssecsf\sfshape{10}{\magstep1}
1247 %\setfont\ssecrm\bfshape{10}{1315} % Note the use of cmb rather than cmbx.
1248 %\setfont\ssecit\itshape{10}{1315} % Also, the size is a little larger than
1249 %\setfont\ssecsl\slshape{10}{1315} % being scaled magstep1.
1250 %\setfont\ssectt\ttshape{10}{1315}
1251 %\setfont\ssecsf\sfshape{10}{1315}
1253 %\let\ssecbf=\ssecrm
1255 % Subsection fonts (13.15pt).
1256 \setfont\ssecrm\rmbshape{12}{\magstephalf}
1257 \setfont\ssecit\itbshape{10}{1315}
1258 \setfont\ssecsl\slbshape{10}{1315}
1259 \setfont\ssectt\ttbshape{12}{\magstephalf}
1260 \setfont\ssecttsl\ttslshape{10}{1315}
1261 \setfont\ssecsf\sfbshape{12}{\magstephalf}
1262 \let\ssecbf\ssecrm
1263 \setfont\ssecsc\scbshape{10}{\magstep1}
1264 \font\sseci=cmmi12 scaled \magstephalf
1265 \font\ssecsy=cmsy10 scaled 1315
1266 % The smallcaps and symbol fonts should actually be scaled \magstep1.5,
1267 % but that is not a standard magnification.
1269 % In order for the font changes to affect most math symbols and letters,
1270 % we have to define the \textfont of the standard families. Since
1271 % texinfo doesn't allow for producing subscripts and superscripts, we
1272 % don't bother to reset \scriptfont and \scriptscriptfont (which would
1273 % also require loading a lot more fonts).
1275 \def\resetmathfonts{%
1276 \textfont0 = \tenrm \textfont1 = \teni \textfont2 = \tensy
1277 \textfont\itfam = \tenit \textfont\slfam = \tensl \textfont\bffam = \tenbf
1278 \textfont\ttfam = \tentt \textfont\sffam = \tensf
1282 % The font-changing commands redefine the meanings of \tenSTYLE, instead
1283 % of just \STYLE. We do this so that font changes will continue to work
1284 % in math mode, where it is the current \fam that is relevant in most
1285 % cases, not the current font. Plain TeX does \def\bf{\fam=\bffam
1286 % \tenbf}, for example. By redefining \tenbf, we obviate the need to
1287 % redefine \bf itself.
1288 \def\textfonts{%
1289 \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl
1290 \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc
1291 \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy \let\tenttsl=\textttsl
1292 \resetmathfonts}
1293 \def\titlefonts{%
1294 \let\tenrm=\titlerm \let\tenit=\titleit \let\tensl=\titlesl
1295 \let\tenbf=\titlebf \let\tentt=\titlett \let\smallcaps=\titlesc
1296 \let\tensf=\titlesf \let\teni=\titlei \let\tensy=\titlesy
1297 \let\tenttsl=\titlettsl
1298 \resetmathfonts \setleading{25pt}}
1299 \def\titlefont#1{{\titlefonts\rm #1}}
1300 \def\chapfonts{%
1301 \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl
1302 \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc
1303 \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy \let\tenttsl=\chapttsl
1304 \resetmathfonts \setleading{19pt}}
1305 \def\secfonts{%
1306 \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl
1307 \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc
1308 \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy \let\tenttsl=\secttsl
1309 \resetmathfonts \setleading{16pt}}
1310 \def\subsecfonts{%
1311 \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl
1312 \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc
1313 \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy \let\tenttsl=\ssecttsl
1314 \resetmathfonts \setleading{15pt}}
1315 \let\subsubsecfonts = \subsecfonts % Maybe make sssec fonts scaled magstephalf?
1316 \def\indexfonts{%
1317 \let\tenrm=\indrm \let\tenit=\indit \let\tensl=\indsl
1318 \let\tenbf=\indbf \let\tentt=\indtt \let\smallcaps=\indsc
1319 \let\tensf=\indsf \let\teni=\indi \let\tensy=\indsy \let\tenttsl=\indttsl
1320 \resetmathfonts \setleading{12pt}}
1322 % Set up the default fonts, so we can use them for creating boxes.
1324 \textfonts
1326 % Define these so they can be easily changed for other fonts.
1327 \def\angleleft{$\langle$}
1328 \def\angleright{$\rangle$}
1330 % Count depth in font-changes, for error checks
1331 \newcount\fontdepth \fontdepth=0
1333 % Fonts for short table of contents.
1334 \setfont\shortcontrm\rmshape{12}{1000}
1335 \setfont\shortcontbf\bxshape{12}{1000}
1336 \setfont\shortcontsl\slshape{12}{1000}
1338 %% Add scribe-like font environments, plus @l for inline lisp (usually sans
1339 %% serif) and @ii for TeX italic
1341 % \smartitalic{ARG} outputs arg in italics, followed by an italic correction
1342 % unless the following character is such as not to need one.
1343 \def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else\/\fi\fi\fi}
1344 \def\smartitalic#1{{\sl #1}\futurelet\next\smartitalicx}
1346 \let\i=\smartitalic
1347 \let\var=\smartitalic
1348 \let\dfn=\smartitalic
1349 \let\emph=\smartitalic
1350 \let\cite=\smartitalic
1352 \def\b#1{{\bf #1}}
1353 \let\strong=\b
1355 % We can't just use \exhyphenpenalty, because that only has effect at
1356 % the end of a paragraph. Restore normal hyphenation at the end of the
1357 % group within which \nohyphenation is presumably called.
1359 \def\nohyphenation{\hyphenchar\font = -1 \aftergroup\restorehyphenation}
1360 \def\restorehyphenation{\hyphenchar\font = `- }
1362 \def\t#1{%
1363 {\tt \rawbackslash \frenchspacing #1}%
1364 \null
1366 \let\ttfont=\t
1367 \def\samp#1{`\tclose{#1}'\null}
1368 \setfont\smallrm\rmshape{8}{1000}
1369 \font\smallsy=cmsy9
1370 \def\key#1{{\smallrm\textfont2=\smallsy \leavevmode\hbox{%
1371 \raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{%
1372 \vbox{\hrule\kern-0.4pt
1373 \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}%
1374 \kern-0.4pt\hrule}%
1375 \kern-.06em\raise0.4pt\hbox{\angleright}}}}
1376 % The old definition, with no lozenge:
1377 %\def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null}
1378 \def\ctrl #1{{\tt \rawbackslash \hat}#1}
1380 \let\file=\samp
1382 % @code is a modification of @t,
1383 % which makes spaces the same size as normal in the surrounding text.
1384 \def\tclose#1{%
1386 % Change normal interword space to be same as for the current font.
1387 \spaceskip = \fontdimen2\font
1389 % Switch to typewriter.
1392 % But `\ ' produces the large typewriter interword space.
1393 \def\ {{\spaceskip = 0pt{} }}%
1395 % Turn off hyphenation.
1396 \nohyphenation
1398 \rawbackslash
1399 \frenchspacing
1402 \null
1405 % We *must* turn on hyphenation at `-' and `_' in \code.
1406 % Otherwise, it is too hard to avoid overfull hboxes
1407 % in the Emacs manual, the Library manual, etc.
1409 % Unfortunately, TeX uses one parameter (\hyphenchar) to control
1410 % both hyphenation at - and hyphenation within words.
1411 % We must therefore turn them both off (\tclose does that)
1412 % and arrange explicitly to hyphenate at a dash.
1413 % -- rms.
1415 \catcode`\-=\active
1416 \catcode`\_=\active
1417 \catcode`\|=\active
1418 \global\def\code{\begingroup \catcode`\-=\active \let-\codedash \catcode`\_=\active \let_\codeunder \codex}
1419 % The following is used by \doprintindex to insure that long function names
1420 % wrap around. It is necessary for - and _ to be active before the index is
1421 % read from the file, as \entry parses the arguments long before \code is
1422 % ever called. -- mycroft
1423 % _ is always active; and it shouldn't be \let = to an _ that is a
1424 % subscript character anyway. Then, @cindex @samp{_} (for example)
1425 % fails. --karl
1426 \global\def\indexbreaks{%
1427 \catcode`\-=\active \let-\realdash
1431 \def\realdash{-}
1432 \def\codedash{-\discretionary{}{}{}}
1433 \def\codeunder{\ifusingtt{\normalunderscore\discretionary{}{}{}}{\_}}
1434 \def\codex #1{\tclose{#1}\endgroup}
1436 %\let\exp=\tclose %Was temporary
1438 % @kbd is like @code, except that if the argument is just one @key command,
1439 % then @kbd has no effect.
1441 % @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always),
1442 % `example' (@kbd uses ttsl only inside of @example and friends),
1443 % or `code' (@kbd uses normal tty font always).
1444 \def\kbdinputstyle{\parsearg\kbdinputstylexxx}
1445 \def\kbdinputstylexxx#1{%
1446 \def\arg{#1}%
1447 \ifx\arg\worddistinct
1448 \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}%
1449 \else\ifx\arg\wordexample
1450 \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}%
1451 \else\ifx\arg\wordcode
1452 \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}%
1453 \fi\fi\fi
1455 \def\worddistinct{distinct}
1456 \def\wordexample{example}
1457 \def\wordcode{code}
1459 % Default is kbdinputdistinct. (Too much of a hassle to call the macro,
1460 % the catcodes are wrong for parsearg to work.)
1461 \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}
1463 \def\xkey{\key}
1464 \def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}%
1465 \ifx\one\xkey\ifx\threex\three \key{#2}%
1466 \else{\tclose{\kbdfont\look}}\fi
1467 \else{\tclose{\kbdfont\look}}\fi}
1469 % @url. Quotes do not seem necessary, so use \code.
1470 \let\url=\code
1472 % @uref (abbreviation for `urlref') takes an optional second argument
1473 % specifying the text to display. First (mandatory) arg is the url.
1474 % Perhaps eventually put in a hypertex \special here.
1476 \def\uref#1{\urefxxx #1,,\finish}
1477 \def\urefxxx#1,#2,#3\finish{%
1478 \setbox0 = \hbox{\ignorespaces #2}%
1479 \ifdim\wd0 > 0pt
1480 \unhbox0\ (\code{#1})%
1481 \else
1482 \code{#1}%
1486 % rms does not like the angle brackets --karl, 17may97.
1487 % So now @email is just like @uref.
1488 %\def\email#1{\angleleft{\tt #1}\angleright}
1489 \let\email=\uref
1491 % Check if we are currently using a typewriter font. Since all the
1492 % Computer Modern typewriter fonts have zero interword stretch (and
1493 % shrink), and it is reasonable to expect all typewriter fonts to have
1494 % this property, we can check that font parameter.
1496 \def\ifmonospace{\ifdim\fontdimen3\font=0pt }
1498 % Typeset a dimension, e.g., `in' or `pt'. The only reason for the
1499 % argument is to make the input look right: @dmn{pt} instead of
1500 % @dmn{}pt.
1502 \def\dmn#1{\thinspace #1}
1504 \def\kbd#1{\def\look{#1}\expandafter\kbdfoo\look??\par}
1506 % @l was never documented to mean ``switch to the Lisp font'',
1507 % and it is not used as such in any manual I can find. We need it for
1508 % Polish suppressed-l. --karl, 22sep96.
1509 %\def\l#1{{\li #1}\null}
1511 \def\r#1{{\rm #1}} % roman font
1512 % Use of \lowercase was suggested.
1513 \def\sc#1{{\smallcaps#1}} % smallcaps font
1514 \def\ii#1{{\it #1}} % italic font
1516 % @pounds{} is a sterling sign.
1517 \def\pounds{{\it\$}}
1520 \message{page headings,}
1522 \newskip\titlepagetopglue \titlepagetopglue = 1.5in
1523 \newskip\titlepagebottomglue \titlepagebottomglue = 2pc
1525 % First the title page. Must do @settitle before @titlepage.
1526 \newif\ifseenauthor
1527 \newif\iffinishedtitlepage
1529 \def\shorttitlepage{\parsearg\shorttitlepagezzz}
1530 \def\shorttitlepagezzz #1{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}%
1531 \endgroup\page\hbox{}\page}
1533 \def\titlepage{\begingroup \parindent=0pt \textfonts
1534 \let\subtitlerm=\tenrm
1535 % I deinstalled the following change because \cmr12 is undefined.
1536 % This change was not in the ChangeLog anyway. --rms.
1537 % \let\subtitlerm=\cmr12
1538 \def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}%
1540 \def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines}%
1542 % Leave some space at the very top of the page.
1543 \vglue\titlepagetopglue
1545 % Now you can print the title using @title.
1546 \def\title{\parsearg\titlezzz}%
1547 \def\titlezzz##1{\leftline{\titlefonts\rm ##1}
1548 % print a rule at the page bottom also.
1549 \finishedtitlepagefalse
1550 \vskip4pt \hrule height 4pt width \hsize \vskip4pt}%
1551 % No rule at page bottom unless we print one at the top with @title.
1552 \finishedtitlepagetrue
1554 % Now you can put text using @subtitle.
1555 \def\subtitle{\parsearg\subtitlezzz}%
1556 \def\subtitlezzz##1{{\subtitlefont \rightline{##1}}}%
1558 % @author should come last, but may come many times.
1559 \def\author{\parsearg\authorzzz}%
1560 \def\authorzzz##1{\ifseenauthor\else\vskip 0pt plus 1filll\seenauthortrue\fi
1561 {\authorfont \leftline{##1}}}%
1563 % Most title ``pages'' are actually two pages long, with space
1564 % at the top of the second. We don't want the ragged left on the second.
1565 \let\oldpage = \page
1566 \def\page{%
1567 \iffinishedtitlepage\else
1568 \finishtitlepage
1570 \oldpage
1571 \let\page = \oldpage
1572 \hbox{}}%
1573 % \def\page{\oldpage \hbox{}}
1576 \def\Etitlepage{%
1577 \iffinishedtitlepage\else
1578 \finishtitlepage
1580 % It is important to do the page break before ending the group,
1581 % because the headline and footline are only empty inside the group.
1582 % If we use the new definition of \page, we always get a blank page
1583 % after the title page, which we certainly don't want.
1584 \oldpage
1585 \endgroup
1586 \HEADINGSon
1589 \def\finishtitlepage{%
1590 \vskip4pt \hrule height 2pt width \hsize
1591 \vskip\titlepagebottomglue
1592 \finishedtitlepagetrue
1595 %%% Set up page headings and footings.
1597 \let\thispage=\folio
1599 \newtoks \evenheadline % Token sequence for heading line of even pages
1600 \newtoks \oddheadline % Token sequence for heading line of odd pages
1601 \newtoks \evenfootline % Token sequence for footing line of even pages
1602 \newtoks \oddfootline % Token sequence for footing line of odd pages
1604 % Now make Tex use those variables
1605 \headline={{\textfonts\rm \ifodd\pageno \the\oddheadline
1606 \else \the\evenheadline \fi}}
1607 \footline={{\textfonts\rm \ifodd\pageno \the\oddfootline
1608 \else \the\evenfootline \fi}\HEADINGShook}
1609 \let\HEADINGShook=\relax
1611 % Commands to set those variables.
1612 % For example, this is what @headings on does
1613 % @evenheading @thistitle|@thispage|@thischapter
1614 % @oddheading @thischapter|@thispage|@thistitle
1615 % @evenfooting @thisfile||
1616 % @oddfooting ||@thisfile
1618 \def\evenheading{\parsearg\evenheadingxxx}
1619 \def\oddheading{\parsearg\oddheadingxxx}
1620 \def\everyheading{\parsearg\everyheadingxxx}
1622 \def\evenfooting{\parsearg\evenfootingxxx}
1623 \def\oddfooting{\parsearg\oddfootingxxx}
1624 \def\everyfooting{\parsearg\everyfootingxxx}
1626 {\catcode`\@=0 %
1628 \gdef\evenheadingxxx #1{\evenheadingyyy #1@|@|@|@|\finish}
1629 \gdef\evenheadingyyy #1@|#2@|#3@|#4\finish{%
1630 \global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
1632 \gdef\oddheadingxxx #1{\oddheadingyyy #1@|@|@|@|\finish}
1633 \gdef\oddheadingyyy #1@|#2@|#3@|#4\finish{%
1634 \global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
1636 \gdef\everyheadingxxx#1{\oddheadingxxx{#1}\evenheadingxxx{#1}}%
1638 \gdef\evenfootingxxx #1{\evenfootingyyy #1@|@|@|@|\finish}
1639 \gdef\evenfootingyyy #1@|#2@|#3@|#4\finish{%
1640 \global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
1642 \gdef\oddfootingxxx #1{\oddfootingyyy #1@|@|@|@|\finish}
1643 \gdef\oddfootingyyy #1@|#2@|#3@|#4\finish{%
1644 \global\oddfootline = {\rlap{\centerline{#2}}\line{#1\hfil#3}}%
1646 % Leave some space for the footline. Hopefully ok to assume
1647 % @evenfooting will not be used by itself.
1648 \global\advance\pageheight by -\baselineskip
1649 \global\advance\vsize by -\baselineskip
1652 \gdef\everyfootingxxx#1{\oddfootingxxx{#1}\evenfootingxxx{#1}}
1654 }% unbind the catcode of @.
1656 % @headings double turns headings on for double-sided printing.
1657 % @headings single turns headings on for single-sided printing.
1658 % @headings off turns them off.
1659 % @headings on same as @headings double, retained for compatibility.
1660 % @headings after turns on double-sided headings after this page.
1661 % @headings doubleafter turns on double-sided headings after this page.
1662 % @headings singleafter turns on single-sided headings after this page.
1663 % By default, they are off at the start of a document,
1664 % and turned `on' after @end titlepage.
1666 \def\headings #1 {\csname HEADINGS#1\endcsname}
1668 \def\HEADINGSoff{
1669 \global\evenheadline={\hfil} \global\evenfootline={\hfil}
1670 \global\oddheadline={\hfil} \global\oddfootline={\hfil}}
1671 \HEADINGSoff
1672 % When we turn headings on, set the page number to 1.
1673 % For double-sided printing, put current file name in lower left corner,
1674 % chapter name on inside top of right hand pages, document
1675 % title on inside top of left hand pages, and page numbers on outside top
1676 % edge of all pages.
1677 \def\HEADINGSdouble{
1678 \global\pageno=1
1679 \global\evenfootline={\hfil}
1680 \global\oddfootline={\hfil}
1681 \global\evenheadline={\line{\folio\hfil\thistitle}}
1682 \global\oddheadline={\line{\thischapter\hfil\folio}}
1683 \global\let\contentsalignmacro = \chapoddpage
1685 \let\contentsalignmacro = \chappager
1687 % For single-sided printing, chapter title goes across top left of page,
1688 % page number on top right.
1689 \def\HEADINGSsingle{
1690 \global\pageno=1
1691 \global\evenfootline={\hfil}
1692 \global\oddfootline={\hfil}
1693 \global\evenheadline={\line{\thischapter\hfil\folio}}
1694 \global\oddheadline={\line{\thischapter\hfil\folio}}
1695 \global\let\contentsalignmacro = \chappager
1697 \def\HEADINGSon{\HEADINGSdouble}
1699 \def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex}
1700 \let\HEADINGSdoubleafter=\HEADINGSafter
1701 \def\HEADINGSdoublex{%
1702 \global\evenfootline={\hfil}
1703 \global\oddfootline={\hfil}
1704 \global\evenheadline={\line{\folio\hfil\thistitle}}
1705 \global\oddheadline={\line{\thischapter\hfil\folio}}
1706 \global\let\contentsalignmacro = \chapoddpage
1709 \def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex}
1710 \def\HEADINGSsinglex{%
1711 \global\evenfootline={\hfil}
1712 \global\oddfootline={\hfil}
1713 \global\evenheadline={\line{\thischapter\hfil\folio}}
1714 \global\oddheadline={\line{\thischapter\hfil\folio}}
1715 \global\let\contentsalignmacro = \chappager
1718 % Subroutines used in generating headings
1719 % Produces Day Month Year style of output.
1720 \def\today{\number\day\space
1721 \ifcase\month\or
1722 January\or February\or March\or April\or May\or June\or
1723 July\or August\or September\or October\or November\or December\fi
1724 \space\number\year}
1726 % Use this if you want the Month Day, Year style of output.
1727 %\def\today{\ifcase\month\or
1728 %January\or February\or March\or April\or May\or June\or
1729 %July\or August\or September\or October\or November\or December\fi
1730 %\space\number\day, \number\year}
1732 % @settitle line... specifies the title of the document, for headings
1733 % It generates no output of its own
1735 \def\thistitle{No Title}
1736 \def\settitle{\parsearg\settitlezzz}
1737 \def\settitlezzz #1{\gdef\thistitle{#1}}
1740 \message{tables,}
1741 % Tables -- @table, @ftable, @vtable, @item(x), @kitem(x), @xitem(x).
1743 % default indentation of table text
1744 \newdimen\tableindent \tableindent=.8in
1745 % default indentation of @itemize and @enumerate text
1746 \newdimen\itemindent \itemindent=.3in
1747 % margin between end of table item and start of table text.
1748 \newdimen\itemmargin \itemmargin=.1in
1750 % used internally for \itemindent minus \itemmargin
1751 \newdimen\itemmax
1753 % Note @table, @vtable, and @vtable define @item, @itemx, etc., with
1754 % these defs.
1755 % They also define \itemindex
1756 % to index the item name in whatever manner is desired (perhaps none).
1758 \newif\ifitemxneedsnegativevskip
1760 \def\itemxpar{\par\ifitemxneedsnegativevskip\nobreak\vskip-\parskip\nobreak\fi}
1762 \def\internalBitem{\smallbreak \parsearg\itemzzz}
1763 \def\internalBitemx{\itemxpar \parsearg\itemzzz}
1765 \def\internalBxitem "#1"{\def\xitemsubtopix{#1} \smallbreak \parsearg\xitemzzz}
1766 \def\internalBxitemx "#1"{\def\xitemsubtopix{#1} \itemxpar \parsearg\xitemzzz}
1768 \def\internalBkitem{\smallbreak \parsearg\kitemzzz}
1769 \def\internalBkitemx{\itemxpar \parsearg\kitemzzz}
1771 \def\kitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \lastfunction}}%
1772 \itemzzz {#1}}
1774 \def\xitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \xitemsubtopic}}%
1775 \itemzzz {#1}}
1777 \def\itemzzz #1{\begingroup %
1778 \advance\hsize by -\rightskip
1779 \advance\hsize by -\tableindent
1780 \setbox0=\hbox{\itemfont{#1}}%
1781 \itemindex{#1}%
1782 \nobreak % This prevents a break before @itemx.
1784 % Be sure we are not still in the middle of a paragraph.
1785 %{\parskip = 0in
1786 %\par
1789 % If the item text does not fit in the space we have, put it on a line
1790 % by itself, and do not allow a page break either before or after that
1791 % line. We do not start a paragraph here because then if the next
1792 % command is, e.g., @kindex, the whatsit would get put into the
1793 % horizontal list on a line by itself, resulting in extra blank space.
1794 \ifdim \wd0>\itemmax
1796 % Make this a paragraph so we get the \parskip glue and wrapping,
1797 % but leave it ragged-right.
1798 \begingroup
1799 \advance\leftskip by-\tableindent
1800 \advance\hsize by\tableindent
1801 \advance\rightskip by0pt plus1fil
1802 \leavevmode\unhbox0\par
1803 \endgroup
1805 % We're going to be starting a paragraph, but we don't want the
1806 % \parskip glue -- logically it's part of the @item we just started.
1807 \nobreak \vskip-\parskip
1809 % Stop a page break at the \parskip glue coming up. Unfortunately
1810 % we can't prevent a possible page break at the following
1811 % \baselineskip glue.
1812 \nobreak
1813 \endgroup
1814 \itemxneedsnegativevskipfalse
1815 \else
1816 % The item text fits into the space. Start a paragraph, so that the
1817 % following text (if any) will end up on the same line. Since that
1818 % text will be indented by \tableindent, we make the item text be in
1819 % a zero-width box.
1820 \noindent
1821 \rlap{\hskip -\tableindent\box0}\ignorespaces%
1822 \endgroup%
1823 \itemxneedsnegativevskiptrue%
1827 \def\item{\errmessage{@item while not in a table}}
1828 \def\itemx{\errmessage{@itemx while not in a table}}
1829 \def\kitem{\errmessage{@kitem while not in a table}}
1830 \def\kitemx{\errmessage{@kitemx while not in a table}}
1831 \def\xitem{\errmessage{@xitem while not in a table}}
1832 \def\xitemx{\errmessage{@xitemx while not in a table}}
1834 %% Contains a kludge to get @end[description] to work
1835 \def\description{\tablez{\dontindex}{1}{}{}{}{}}
1837 \def\table{\begingroup\inENV\obeylines\obeyspaces\tablex}
1838 {\obeylines\obeyspaces%
1839 \gdef\tablex #1^^M{%
1840 \tabley\dontindex#1 \endtabley}}
1842 \def\ftable{\begingroup\inENV\obeylines\obeyspaces\ftablex}
1843 {\obeylines\obeyspaces%
1844 \gdef\ftablex #1^^M{%
1845 \tabley\fnitemindex#1 \endtabley
1846 \def\Eftable{\endgraf\afterenvbreak\endgroup}%
1847 \let\Etable=\relax}}
1849 \def\vtable{\begingroup\inENV\obeylines\obeyspaces\vtablex}
1850 {\obeylines\obeyspaces%
1851 \gdef\vtablex #1^^M{%
1852 \tabley\vritemindex#1 \endtabley
1853 \def\Evtable{\endgraf\afterenvbreak\endgroup}%
1854 \let\Etable=\relax}}
1856 \def\dontindex #1{}
1857 \def\fnitemindex #1{\doind {fn}{\code{#1}}}%
1858 \def\vritemindex #1{\doind {vr}{\code{#1}}}%
1860 {\obeyspaces %
1861 \gdef\tabley#1#2 #3 #4 #5 #6 #7\endtabley{\endgroup%
1862 \tablez{#1}{#2}{#3}{#4}{#5}{#6}}}
1864 \def\tablez #1#2#3#4#5#6{%
1865 \aboveenvbreak %
1866 \begingroup %
1867 \def\Edescription{\Etable}% Necessary kludge.
1868 \let\itemindex=#1%
1869 \ifnum 0#3>0 \advance \leftskip by #3\mil \fi %
1870 \ifnum 0#4>0 \tableindent=#4\mil \fi %
1871 \ifnum 0#5>0 \advance \rightskip by #5\mil \fi %
1872 \def\itemfont{#2}%
1873 \itemmax=\tableindent %
1874 \advance \itemmax by -\itemmargin %
1875 \advance \leftskip by \tableindent %
1876 \exdentamount=\tableindent
1877 \parindent = 0pt
1878 \parskip = \smallskipamount
1879 \ifdim \parskip=0pt \parskip=2pt \fi%
1880 \def\Etable{\endgraf\afterenvbreak\endgroup}%
1881 \let\item = \internalBitem %
1882 \let\itemx = \internalBitemx %
1883 \let\kitem = \internalBkitem %
1884 \let\kitemx = \internalBkitemx %
1885 \let\xitem = \internalBxitem %
1886 \let\xitemx = \internalBxitemx %
1889 % This is the counter used by @enumerate, which is really @itemize
1891 \newcount \itemno
1893 \def\itemize{\parsearg\itemizezzz}
1895 \def\itemizezzz #1{%
1896 \begingroup % ended by the @end itemize
1897 \itemizey {#1}{\Eitemize}
1900 \def\itemizey #1#2{%
1901 \aboveenvbreak %
1902 \itemmax=\itemindent %
1903 \advance \itemmax by -\itemmargin %
1904 \advance \leftskip by \itemindent %
1905 \exdentamount=\itemindent
1906 \parindent = 0pt %
1907 \parskip = \smallskipamount %
1908 \ifdim \parskip=0pt \parskip=2pt \fi%
1909 \def#2{\endgraf\afterenvbreak\endgroup}%
1910 \def\itemcontents{#1}%
1911 \let\item=\itemizeitem}
1913 % Set sfcode to normal for the chars that usually have another value.
1914 % These are `.?!:;,'
1915 \def\frenchspacing{\sfcode46=1000 \sfcode63=1000 \sfcode33=1000
1916 \sfcode58=1000 \sfcode59=1000 \sfcode44=1000 }
1918 % \splitoff TOKENS\endmark defines \first to be the first token in
1919 % TOKENS, and \rest to be the remainder.
1921 \def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}%
1923 % Allow an optional argument of an uppercase letter, lowercase letter,
1924 % or number, to specify the first label in the enumerated list. No
1925 % argument is the same as `1'.
1927 \def\enumerate{\parsearg\enumeratezzz}
1928 \def\enumeratezzz #1{\enumeratey #1 \endenumeratey}
1929 \def\enumeratey #1 #2\endenumeratey{%
1930 \begingroup % ended by the @end enumerate
1932 % If we were given no argument, pretend we were given `1'.
1933 \def\thearg{#1}%
1934 \ifx\thearg\empty \def\thearg{1}\fi
1936 % Detect if the argument is a single token. If so, it might be a
1937 % letter. Otherwise, the only valid thing it can be is a number.
1938 % (We will always have one token, because of the test we just made.
1939 % This is a good thing, since \splitoff doesn't work given nothing at
1940 % all -- the first parameter is undelimited.)
1941 \expandafter\splitoff\thearg\endmark
1942 \ifx\rest\empty
1943 % Only one token in the argument. It could still be anything.
1944 % A ``lowercase letter'' is one whose \lccode is nonzero.
1945 % An ``uppercase letter'' is one whose \lccode is both nonzero, and
1946 % not equal to itself.
1947 % Otherwise, we assume it's a number.
1949 % We need the \relax at the end of the \ifnum lines to stop TeX from
1950 % continuing to look for a <number>.
1952 \ifnum\lccode\expandafter`\thearg=0\relax
1953 \numericenumerate % a number (we hope)
1954 \else
1955 % It's a letter.
1956 \ifnum\lccode\expandafter`\thearg=\expandafter`\thearg\relax
1957 \lowercaseenumerate % lowercase letter
1958 \else
1959 \uppercaseenumerate % uppercase letter
1962 \else
1963 % Multiple tokens in the argument. We hope it's a number.
1964 \numericenumerate
1968 % An @enumerate whose labels are integers. The starting integer is
1969 % given in \thearg.
1971 \def\numericenumerate{%
1972 \itemno = \thearg
1973 \startenumeration{\the\itemno}%
1976 % The starting (lowercase) letter is in \thearg.
1977 \def\lowercaseenumerate{%
1978 \itemno = \expandafter`\thearg
1979 \startenumeration{%
1980 % Be sure we're not beyond the end of the alphabet.
1981 \ifnum\itemno=0
1982 \errmessage{No more lowercase letters in @enumerate; get a bigger
1983 alphabet}%
1985 \char\lccode\itemno
1989 % The starting (uppercase) letter is in \thearg.
1990 \def\uppercaseenumerate{%
1991 \itemno = \expandafter`\thearg
1992 \startenumeration{%
1993 % Be sure we're not beyond the end of the alphabet.
1994 \ifnum\itemno=0
1995 \errmessage{No more uppercase letters in @enumerate; get a bigger
1996 alphabet}
1998 \char\uccode\itemno
2002 % Call itemizey, adding a period to the first argument and supplying the
2003 % common last two arguments. Also subtract one from the initial value in
2004 % \itemno, since @item increments \itemno.
2006 \def\startenumeration#1{%
2007 \advance\itemno by -1
2008 \itemizey{#1.}\Eenumerate\flushcr
2011 % @alphaenumerate and @capsenumerate are abbreviations for giving an arg
2012 % to @enumerate.
2014 \def\alphaenumerate{\enumerate{a}}
2015 \def\capsenumerate{\enumerate{A}}
2016 \def\Ealphaenumerate{\Eenumerate}
2017 \def\Ecapsenumerate{\Eenumerate}
2019 % Definition of @item while inside @itemize.
2021 \def\itemizeitem{%
2022 \advance\itemno by 1
2023 {\let\par=\endgraf \smallbreak}%
2024 \ifhmode \errmessage{In hmode at itemizeitem}\fi
2025 {\parskip=0in \hskip 0pt
2026 \hbox to 0pt{\hss \itemcontents\hskip \itemmargin}%
2027 \vadjust{\penalty 1200}}%
2028 \flushcr}
2030 % @multitable macros
2031 % Amy Hendrickson, 8/18/94, 3/6/96
2033 % @multitable ... @end multitable will make as many columns as desired.
2034 % Contents of each column will wrap at width given in preamble. Width
2035 % can be specified either with sample text given in a template line,
2036 % or in percent of \hsize, the current width of text on page.
2038 % Table can continue over pages but will only break between lines.
2040 % To make preamble:
2042 % Either define widths of columns in terms of percent of \hsize:
2043 % @multitable @columnfractions .25 .3 .45
2044 % @item ...
2046 % Numbers following @columnfractions are the percent of the total
2047 % current hsize to be used for each column. You may use as many
2048 % columns as desired.
2051 % Or use a template:
2052 % @multitable {Column 1 template} {Column 2 template} {Column 3 template}
2053 % @item ...
2054 % using the widest term desired in each column.
2056 % For those who want to use more than one line's worth of words in
2057 % the preamble, break the line within one argument and it
2058 % will parse correctly, i.e.,
2060 % @multitable {Column 1 template} {Column 2 template} {Column 3
2061 % template}
2062 % Not:
2063 % @multitable {Column 1 template} {Column 2 template}
2064 % {Column 3 template}
2066 % Each new table line starts with @item, each subsequent new column
2067 % starts with @tab. Empty columns may be produced by supplying @tab's
2068 % with nothing between them for as many times as empty columns are needed,
2069 % ie, @tab@tab@tab will produce two empty columns.
2071 % @item, @tab, @multitable or @end multitable do not need to be on their
2072 % own lines, but it will not hurt if they are.
2074 % Sample multitable:
2076 % @multitable {Column 1 template} {Column 2 template} {Column 3 template}
2077 % @item first col stuff @tab second col stuff @tab third col
2078 % @item
2079 % first col stuff
2080 % @tab
2081 % second col stuff
2082 % @tab
2083 % third col
2084 % @item first col stuff @tab second col stuff
2085 % @tab Many paragraphs of text may be used in any column.
2087 % They will wrap at the width determined by the template.
2088 % @item@tab@tab This will be in third column.
2089 % @end multitable
2091 % Default dimensions may be reset by user.
2092 % @multitableparskip is vertical space between paragraphs in table.
2093 % @multitableparindent is paragraph indent in table.
2094 % @multitablecolmargin is horizontal space to be left between columns.
2095 % @multitablelinespace is space to leave between table items, baseline
2096 % to baseline.
2097 % 0pt means it depends on current normal line spacing.
2099 \newskip\multitableparskip
2100 \newskip\multitableparindent
2101 \newdimen\multitablecolspace
2102 \newskip\multitablelinespace
2103 \multitableparskip=0pt
2104 \multitableparindent=6pt
2105 \multitablecolspace=12pt
2106 \multitablelinespace=0pt
2108 % Macros used to set up halign preamble:
2110 \let\endsetuptable\relax
2111 \def\xendsetuptable{\endsetuptable}
2112 \let\columnfractions\relax
2113 \def\xcolumnfractions{\columnfractions}
2114 \newif\ifsetpercent
2116 % 2/1/96, to allow fractions to be given with more than one digit.
2117 \def\pickupwholefraction#1 {\global\advance\colcount by1 %
2118 \expandafter\xdef\csname col\the\colcount\endcsname{.#1\hsize}%
2119 \setuptable}
2121 \newcount\colcount
2122 \def\setuptable#1{\def\firstarg{#1}%
2123 \ifx\firstarg\xendsetuptable\let\go\relax%
2124 \else
2125 \ifx\firstarg\xcolumnfractions\global\setpercenttrue%
2126 \else
2127 \ifsetpercent
2128 \let\go\pickupwholefraction % In this case arg of setuptable
2129 % is the decimal point before the
2130 % number given in percent of hsize.
2131 % We don't need this so we don't use it.
2132 \else
2133 \global\advance\colcount by1
2134 \setbox0=\hbox{#1 }% Add a normal word space as a separator;
2135 % typically that is always in the input, anyway.
2136 \expandafter\xdef\csname col\the\colcount\endcsname{\the\wd0}%
2137 \fi%
2138 \fi%
2139 \ifx\go\pickupwholefraction\else\let\go\setuptable\fi%
2140 \fi\go}
2142 % multitable syntax
2143 \def\tab{&\hskip1sp\relax} % 2/2/96
2144 % tiny skip here makes sure this column space is
2145 % maintained, even if it is never used.
2147 % @multitable ... @end multitable definitions:
2149 \def\multitable{\parsearg\dotable}
2150 \def\dotable#1{\bgroup
2151 \vskip\parskip
2152 \let\item\crcr
2153 \tolerance=9500
2154 \hbadness=9500
2155 \setmultitablespacing
2156 \parskip=\multitableparskip
2157 \parindent=\multitableparindent
2158 \overfullrule=0pt
2159 \global\colcount=0
2160 \def\Emultitable{\global\setpercentfalse\cr\egroup\egroup}%
2162 % To parse everything between @multitable and @item:
2163 \setuptable#1 \endsetuptable
2165 % \everycr will reset column counter, \colcount, at the end of
2166 % each line. Every column entry will cause \colcount to advance by one.
2167 % The table preamble
2168 % looks at the current \colcount to find the correct column width.
2169 \everycr{\noalign{%
2171 % \filbreak%% keeps underfull box messages off when table breaks over pages.
2172 % Maybe so, but it also creates really weird page breaks when the table
2173 % breaks over pages. Wouldn't \vfil be better? Wait until the problem
2174 % manifests itself, so it can be fixed for real --karl.
2175 \global\colcount=0\relax}}%
2177 % This preamble sets up a generic column definition, which will
2178 % be used as many times as user calls for columns.
2179 % \vtop will set a single line and will also let text wrap and
2180 % continue for many paragraphs if desired.
2181 \halign\bgroup&\global\advance\colcount by 1\relax
2182 \multistrut\vtop{\hsize=\expandafter\csname col\the\colcount\endcsname
2184 % In order to keep entries from bumping into each other
2185 % we will add a \leftskip of \multitablecolspace to all columns after
2186 % the first one.
2188 % If a template has been used, we will add \multitablecolspace
2189 % to the width of each template entry.
2191 % If the user has set preamble in terms of percent of \hsize we will
2192 % use that dimension as the width of the column, and the \leftskip
2193 % will keep entries from bumping into each other. Table will start at
2194 % left margin and final column will justify at right margin.
2196 % Make sure we don't inherit \rightskip from the outer environment.
2197 \rightskip=0pt
2198 \ifnum\colcount=1
2199 % The first column will be indented with the surrounding text.
2200 \advance\hsize by\leftskip
2201 \else
2202 \ifsetpercent \else
2203 % If user has not set preamble in terms of percent of \hsize
2204 % we will advance \hsize by \multitablecolspace.
2205 \advance\hsize by \multitablecolspace
2207 % In either case we will make \leftskip=\multitablecolspace:
2208 \leftskip=\multitablecolspace
2210 % Ignoring space at the beginning and end avoids an occasional spurious
2211 % blank line, when TeX decides to break the line at the space before the
2212 % box from the multistrut, so the strut ends up on a line by itself.
2213 % For example:
2214 % @multitable @columnfractions .11 .89
2215 % @item @code{#}
2216 % @tab Legal holiday which is valid in major parts of the whole country.
2217 % Is automatically provided with highlighting sequences respectively marking
2218 % characters.
2219 \noindent\ignorespaces##\unskip\multistrut}\cr
2222 \def\setmultitablespacing{% test to see if user has set \multitablelinespace.
2223 % If so, do nothing. If not, give it an appropriate dimension based on
2224 % current baselineskip.
2225 \ifdim\multitablelinespace=0pt
2226 %% strut to put in table in case some entry doesn't have descenders,
2227 %% to keep lines equally spaced
2228 \let\multistrut = \strut
2229 %% Test to see if parskip is larger than space between lines of
2230 %% table. If not, do nothing.
2231 %% If so, set to same dimension as multitablelinespace.
2232 \else
2233 \gdef\multistrut{\vrule height\multitablelinespace depth\dp0
2234 width0pt\relax} \fi
2235 \ifdim\multitableparskip>\multitablelinespace
2236 \global\multitableparskip=\multitablelinespace
2237 \global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
2238 %% than skip between lines in the table.
2239 \fi%
2240 \ifdim\multitableparskip=0pt
2241 \global\multitableparskip=\multitablelinespace
2242 \global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
2243 %% than skip between lines in the table.
2244 \fi}
2247 \message{indexing,}
2248 % Index generation facilities
2250 % Define \newwrite to be identical to plain tex's \newwrite
2251 % except not \outer, so it can be used within \newindex.
2252 {\catcode`\@=11
2253 \gdef\newwrite{\alloc@7\write\chardef\sixt@@n}}
2255 % \newindex {foo} defines an index named foo.
2256 % It automatically defines \fooindex such that
2257 % \fooindex ...rest of line... puts an entry in the index foo.
2258 % It also defines \fooindfile to be the number of the output channel for
2259 % the file that accumulates this index. The file's extension is foo.
2260 % The name of an index should be no more than 2 characters long
2261 % for the sake of vms.
2263 \def\newindex#1{%
2264 \iflinks
2265 \expandafter\newwrite \csname#1indfile\endcsname
2266 \openout \csname#1indfile\endcsname \jobname.#1 % Open the file
2268 \expandafter\xdef\csname#1index\endcsname{% % Define @#1index
2269 \noexpand\doindex{#1}}
2272 % @defindex foo == \newindex{foo}
2274 \def\defindex{\parsearg\newindex}
2276 % Define @defcodeindex, like @defindex except put all entries in @code.
2278 \def\newcodeindex#1{%
2279 \iflinks
2280 \expandafter\newwrite \csname#1indfile\endcsname
2281 \openout \csname#1indfile\endcsname \jobname.#1
2283 \expandafter\xdef\csname#1index\endcsname{%
2284 \noexpand\docodeindex{#1}}
2287 \def\defcodeindex{\parsearg\newcodeindex}
2289 % @synindex foo bar makes index foo feed into index bar.
2290 % Do this instead of @defindex foo if you don't want it as a separate index.
2291 % The \closeout helps reduce unnecessary open files; the limit on the
2292 % Acorn RISC OS is a mere 16 files.
2293 \def\synindex#1 #2 {%
2294 \expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
2295 \expandafter\closeout\csname#1indfile\endcsname
2296 \expandafter\let\csname#1indfile\endcsname=\synindexfoo
2297 \expandafter\xdef\csname#1index\endcsname{% define \xxxindex
2298 \noexpand\doindex{#2}}%
2301 % @syncodeindex foo bar similar, but put all entries made for index foo
2302 % inside @code.
2303 \def\syncodeindex#1 #2 {%
2304 \expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
2305 \expandafter\closeout\csname#1indfile\endcsname
2306 \expandafter\let\csname#1indfile\endcsname=\synindexfoo
2307 \expandafter\xdef\csname#1index\endcsname{% define \xxxindex
2308 \noexpand\docodeindex{#2}}%
2311 % Define \doindex, the driver for all \fooindex macros.
2312 % Argument #1 is generated by the calling \fooindex macro,
2313 % and it is "foo", the name of the index.
2315 % \doindex just uses \parsearg; it calls \doind for the actual work.
2316 % This is because \doind is more useful to call from other macros.
2318 % There is also \dosubind {index}{topic}{subtopic}
2319 % which makes an entry in a two-level index such as the operation index.
2321 \def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer}
2322 \def\singleindexer #1{\doind{\indexname}{#1}}
2324 % like the previous two, but they put @code around the argument.
2325 \def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer}
2326 \def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}}
2328 \def\indexdummies{%
2329 \def\ { }%
2330 % Take care of the plain tex accent commands.
2331 \def\"{\realbackslash "}%
2332 \def\`{\realbackslash `}%
2333 \def\'{\realbackslash '}%
2334 \def\^{\realbackslash ^}%
2335 \def\~{\realbackslash ~}%
2336 \def\={\realbackslash =}%
2337 \def\b{\realbackslash b}%
2338 \def\c{\realbackslash c}%
2339 \def\d{\realbackslash d}%
2340 \def\u{\realbackslash u}%
2341 \def\v{\realbackslash v}%
2342 \def\H{\realbackslash H}%
2343 % Take care of the plain tex special European modified letters.
2344 \def\oe{\realbackslash oe}%
2345 \def\ae{\realbackslash ae}%
2346 \def\aa{\realbackslash aa}%
2347 \def\OE{\realbackslash OE}%
2348 \def\AE{\realbackslash AE}%
2349 \def\AA{\realbackslash AA}%
2350 \def\o{\realbackslash o}%
2351 \def\O{\realbackslash O}%
2352 \def\l{\realbackslash l}%
2353 \def\L{\realbackslash L}%
2354 \def\ss{\realbackslash ss}%
2355 % Take care of texinfo commands likely to appear in an index entry.
2356 % (Must be a way to avoid doing expansion at all, and thus not have to
2357 % laboriously list every single command here.)
2358 \def\@{@}% will be @@ when we switch to @ as escape char.
2359 %\let\{ = \lbracecmd
2360 %\let\} = \rbracecmd
2361 \def\_{{\realbackslash _}}%
2362 \def\w{\realbackslash w }%
2363 \def\bf{\realbackslash bf }%
2364 %\def\rm{\realbackslash rm }%
2365 \def\sl{\realbackslash sl }%
2366 \def\sf{\realbackslash sf}%
2367 \def\tt{\realbackslash tt}%
2368 \def\gtr{\realbackslash gtr}%
2369 \def\less{\realbackslash less}%
2370 \def\hat{\realbackslash hat}%
2371 \def\TeX{\realbackslash TeX}%
2372 \def\dots{\realbackslash dots }%
2373 \def\result{\realbackslash result}%
2374 \def\equiv{\realbackslash equiv}%
2375 \def\expansion{\realbackslash expansion}%
2376 \def\print{\realbackslash print}%
2377 \def\error{\realbackslash error}%
2378 \def\point{\realbackslash point}%
2379 \def\copyright{\realbackslash copyright}%
2380 \def\tclose##1{\realbackslash tclose {##1}}%
2381 \def\code##1{\realbackslash code {##1}}%
2382 \def\uref##1{\realbackslash uref {##1}}%
2383 \def\url##1{\realbackslash url {##1}}%
2384 \def\env##1{\realbackslash env {##1}}%
2385 \def\command##1{\realbackslash command {##1}}%
2386 \def\option##1{\realbackslash option {##1}}%
2387 \def\dotless##1{\realbackslash dotless {##1}}%
2388 \def\samp##1{\realbackslash samp {##1}}%
2389 \def\,##1{\realbackslash ,{##1}}%
2390 \def\t##1{\realbackslash t {##1}}%
2391 \def\r##1{\realbackslash r {##1}}%
2392 \def\i##1{\realbackslash i {##1}}%
2393 \def\b##1{\realbackslash b {##1}}%
2394 \def\sc##1{\realbackslash sc {##1}}%
2395 \def\cite##1{\realbackslash cite {##1}}%
2396 \def\key##1{\realbackslash key {##1}}%
2397 \def\file##1{\realbackslash file {##1}}%
2398 \def\var##1{\realbackslash var {##1}}%
2399 \def\kbd##1{\realbackslash kbd {##1}}%
2400 \def\dfn##1{\realbackslash dfn {##1}}%
2401 \def\emph##1{\realbackslash emph {##1}}%
2402 \def\acronym##1{\realbackslash acronym {##1}}%
2404 % Handle some cases of @value -- where the variable name does not
2405 % contain - or _, and the value does not contain any
2406 % (non-fully-expandable) commands.
2407 \let\value = \expandablevalue
2409 \unsepspaces
2412 % If an index command is used in an @example environment, any spaces
2413 % therein should become regular spaces in the raw index file, not the
2414 % expansion of \tie (\\leavevmode \penalty \@M \ ).
2415 {\obeyspaces
2416 \gdef\unsepspaces{\obeyspaces\let =\space}}
2418 % \indexnofonts no-ops all font-change commands.
2419 % This is used when outputting the strings to sort the index by.
2420 \def\indexdummyfont#1{#1}
2421 \def\indexdummytex{TeX}
2422 \def\indexdummydots{...}
2424 \def\indexnofonts{%
2425 % Just ignore accents.
2426 \let\,=\indexdummyfont
2427 \let\"=\indexdummyfont
2428 \let\`=\indexdummyfont
2429 \let\'=\indexdummyfont
2430 \let\^=\indexdummyfont
2431 \let\~=\indexdummyfont
2432 \let\==\indexdummyfont
2433 \let\b=\indexdummyfont
2434 \let\c=\indexdummyfont
2435 \let\d=\indexdummyfont
2436 \let\u=\indexdummyfont
2437 \let\v=\indexdummyfont
2438 \let\H=\indexdummyfont
2439 \let\dotless=\indexdummyfont
2440 % Take care of the plain tex special European modified letters.
2441 \def\oe{oe}%
2442 \def\ae{ae}%
2443 \def\aa{aa}%
2444 \def\OE{OE}%
2445 \def\AE{AE}%
2446 \def\AA{AA}%
2447 \def\o{o}%
2448 \def\O{O}%
2449 \def\l{l}%
2450 \def\L{L}%
2451 \def\ss{ss}%
2452 \let\w=\indexdummyfont
2453 \let\t=\indexdummyfont
2454 \let\r=\indexdummyfont
2455 \let\i=\indexdummyfont
2456 \let\b=\indexdummyfont
2457 \let\emph=\indexdummyfont
2458 \let\strong=\indexdummyfont
2459 \let\cite=\indexdummyfont
2460 \let\sc=\indexdummyfont
2461 %Don't no-op \tt, since it isn't a user-level command
2462 % and is used in the definitions of the active chars like <, >, |...
2463 %\let\tt=\indexdummyfont
2464 \let\tclose=\indexdummyfont
2465 \let\code=\indexdummyfont
2466 \let\url=\indexdummyfont
2467 \let\uref=\indexdummyfont
2468 \let\env=\indexdummyfont
2469 \let\command=\indexdummyfont
2470 \let\option=\indexdummyfont
2471 \let\file=\indexdummyfont
2472 \let\samp=\indexdummyfont
2473 \let\kbd=\indexdummyfont
2474 \let\key=\indexdummyfont
2475 \let\var=\indexdummyfont
2476 \let\TeX=\indexdummytex
2477 \let\dots=\indexdummydots
2478 \def\@{@}%
2481 % To define \realbackslash, we must make \ not be an escape.
2482 % We must first make another character (@) an escape
2483 % so we do not become unable to do a definition.
2485 {\catcode`\@=0 \catcode`\\=\other
2486 @gdef@realbackslash{\}}
2488 \let\indexbackslash=0 %overridden during \printindex.
2489 \let\SETmarginindex=\relax % put index entries in margin (undocumented)?
2491 % For \ifx comparisons.
2492 \def\emptymacro{\empty}
2494 % Most index entries go through here, but \dosubind is the general case.
2496 \def\doind#1#2{\dosubind{#1}{#2}\empty}
2498 % Workhorse for all \fooindexes.
2499 % #1 is name of index, #2 is stuff to put there, #3 is subentry --
2500 % \empty if called from \doind, as we usually are. The main exception
2501 % is with defuns, which call us directly.
2503 \def\dosubind#1#2#3{%
2504 % Put the index entry in the margin if desired.
2505 \ifx\SETmarginindex\relax\else
2506 \insert\margin{\hbox{\vrule height8pt depth3pt width0pt #2}}%
2509 \count255=\lastpenalty
2511 \indexdummies % Must do this here, since \bf, etc expand at this stage
2512 \escapechar=`\\
2514 \let\folio = 0% We will expand all macros now EXCEPT \folio.
2515 \def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now
2516 % so it will be output as is; and it will print as backslash.
2518 \def\thirdarg{#3}%
2520 % If third arg is present, precede it with space in sort key.
2521 \ifx\thirdarg\emptymacro
2522 \let\subentry = \empty
2523 \else
2524 \def\subentry{ #3}%
2527 % First process the index-string with all font commands turned off
2528 % to get the string to sort by.
2529 {\indexnofonts \xdef\indexsorttmp{#2\subentry}}%
2531 % Now produce the complete index entry, with both the sort key and the
2532 % original text, including any font commands.
2533 \toks0 = {#2}%
2534 \edef\temp{%
2535 \write\csname#1indfile\endcsname{%
2536 \realbackslash entry{\indexsorttmp}{\folio}{\the\toks0}}%
2539 % If third (subentry) arg is present, add it to the index string.
2540 \ifx\thirdarg\emptymacro \else
2541 \toks0 = {#3}%
2542 \edef\temp{\temp{\the\toks0}}%
2545 % If a skip is the last thing on the list now, preserve it
2546 % by backing up by \lastskip, doing the \write, then inserting
2547 % the skip again. Otherwise, the whatsit generated by the
2548 % \write will make \lastskip zero. The result is that sequences
2549 % like this:
2550 % @end defun
2551 % @tindex whatever
2552 % @defun ...
2553 % will have extra space inserted, because the \medbreak in the
2554 % start of the @defun won't see the skip inserted by the @end of
2555 % the previous defun.
2556 \iflinks
2557 \skip0 = \lastskip \ifdim\lastskip = 0pt \else \vskip-\lastskip \fi
2558 \temp
2559 \ifdim\skip0 = 0pt \else \vskip\skip0 \fi
2563 \penalty\count255
2567 % The index entry written in the file actually looks like
2568 % \entry {sortstring}{page}{topic}
2569 % or
2570 % \entry {sortstring}{page}{topic}{subtopic}
2571 % The texindex program reads in these files and writes files
2572 % containing these kinds of lines:
2573 % \initial {c}
2574 % before the first topic whose initial is c
2575 % \entry {topic}{pagelist}
2576 % for a topic that is used without subtopics
2577 % \primary {topic}
2578 % for the beginning of a topic that is used with subtopics
2579 % \secondary {subtopic}{pagelist}
2580 % for each subtopic.
2582 % Define the user-accessible indexing commands
2583 % @findex, @vindex, @kindex, @cindex.
2585 \def\findex {\fnindex}
2586 \def\kindex {\kyindex}
2587 \def\cindex {\cpindex}
2588 \def\vindex {\vrindex}
2589 \def\tindex {\tpindex}
2590 \def\pindex {\pgindex}
2592 \def\cindexsub {\begingroup\obeylines\cindexsub}
2593 {\obeylines %
2594 \gdef\cindexsub "#1" #2^^M{\endgroup %
2595 \dosubind{cp}{#2}{#1}}}
2597 % Define the macros used in formatting output of the sorted index material.
2599 % @printindex causes a particular index (the ??s file) to get printed.
2600 % It does not print any chapter heading (usually an @unnumbered).
2602 \def\printindex{\parsearg\doprintindex}
2603 \def\doprintindex#1{\begingroup
2604 \dobreak \chapheadingskip{10000}%
2606 \indexfonts \rm
2607 \tolerance = 9500
2608 \indexbreaks
2610 % See if the index file exists and is nonempty.
2611 % Change catcode of @ here so that if the index file contains
2612 % \initial {@}
2613 % as its first line, TeX doesn't complain about mismatched braces
2614 % (because it thinks @} is a control sequence).
2615 \catcode`\@ = 11
2616 \openin 1 \jobname.#1s
2617 \ifeof 1
2618 % \enddoublecolumns gets confused if there is no text in the index,
2619 % and it loses the chapter title and the aux file entries for the
2620 % index. The easiest way to prevent this problem is to make sure
2621 % there is some text.
2622 (Index is nonexistent)
2623 \else
2625 % If the index file exists but is empty, then \openin leaves \ifeof
2626 % false. We have to make TeX try to read something from the file, so
2627 % it can discover if there is anything in it.
2628 \read 1 to \temp
2629 \ifeof 1
2630 (Index is empty)
2631 \else
2632 % Index files are almost Texinfo source, but we use \ as the escape
2633 % character. It would be better to use @, but that's too big a change
2634 % to make right now.
2635 \def\indexbackslash{\rawbackslashxx}%
2636 \catcode`\\ = 0
2637 \escapechar = `\\
2638 \begindoublecolumns
2639 \input \jobname.#1s
2640 \enddoublecolumns
2643 \closein 1
2644 \endgroup}
2646 % These macros are used by the sorted index file itself.
2647 % Change them to control the appearance of the index.
2649 % Same as \bigskipamount except no shrink.
2650 % \balancecolumns gets confused if there is any shrink.
2651 \newskip\initialskipamount \initialskipamount 12pt plus4pt
2653 \def\initial #1{%
2654 {\let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt
2655 \ifdim\lastskip<\initialskipamount
2656 \removelastskip \penalty-200 \vskip \initialskipamount\fi
2657 \line{\secbf#1\hfill}\kern 2pt\penalty10000}}
2659 % This typesets a paragraph consisting of #1, dot leaders, and then #2
2660 % flush to the right margin. It is used for index and table of contents
2661 % entries. The paragraph is indented by \leftskip.
2663 \def\entry #1#2{\begingroup
2665 % Start a new paragraph if necessary, so our assignments below can't
2666 % affect previous text.
2667 \par
2669 % Do not fill out the last line with white space.
2670 \parfillskip = 0in
2672 % No extra space above this paragraph.
2673 \parskip = 0in
2675 % Do not prefer a separate line ending with a hyphen to fewer lines.
2676 \finalhyphendemerits = 0
2678 % \hangindent is only relevant when the entry text and page number
2679 % don't both fit on one line. In that case, bob suggests starting the
2680 % dots pretty far over on the line. Unfortunately, a large
2681 % indentation looks wrong when the entry text itself is broken across
2682 % lines. So we use a small indentation and put up with long leaders.
2684 % \hangafter is reset to 1 (which is the value we want) at the start
2685 % of each paragraph, so we need not do anything with that.
2686 \hangindent=2em
2688 % When the entry text needs to be broken, just fill out the first line
2689 % with blank space.
2690 \rightskip = 0pt plus1fil
2692 % Start a ``paragraph'' for the index entry so the line breaking
2693 % parameters we've set above will have an effect.
2694 \noindent
2696 % Insert the text of the index entry. TeX will do line-breaking on it.
2698 % The following is kludged to not output a line of dots in the index if
2699 % there are no page numbers. The next person who breaks this will be
2700 % cursed by a Unix daemon.
2701 \def\tempa{{\rm }}%
2702 \def\tempb{#2}%
2703 \edef\tempc{\tempa}%
2704 \edef\tempd{\tempb}%
2705 \ifx\tempc\tempd\ \else%
2707 % If we must, put the page number on a line of its own, and fill out
2708 % this line with blank space. (The \hfil is overwhelmed with the
2709 % fill leaders glue in \indexdotfill if the page number does fit.)
2710 \hfil\penalty50
2711 \null\nobreak\indexdotfill % Have leaders before the page number.
2713 % The `\ ' here is removed by the implicit \unskip that TeX does as
2714 % part of (the primitive) \par. Without it, a spurious underfull
2715 % \hbox ensues.
2716 \ #2% The page number ends the paragraph.
2717 \fi%
2718 \par
2719 \endgroup}
2721 % Like \dotfill except takes at least 1 em.
2722 \def\indexdotfill{\cleaders
2723 \hbox{$\mathsurround=0pt \mkern1.5mu ${\it .}$ \mkern1.5mu$}\hskip 1em plus 1fill}
2725 \def\primary #1{\line{#1\hfil}}
2727 \newskip\secondaryindent \secondaryindent=0.5cm
2729 \def\secondary #1#2{
2730 {\parfillskip=0in \parskip=0in
2731 \hangindent =1in \hangafter=1
2732 \noindent\hskip\secondaryindent\hbox{#1}\indexdotfill #2\par
2735 % Define two-column mode, which we use to typeset indexes.
2736 % Adapted from the TeXbook, page 416, which is to say,
2737 % the manmac.tex format used to print the TeXbook itself.
2738 \catcode`\@=11
2740 \newbox\partialpage
2741 \newdimen\doublecolumnhsize
2743 \def\begindoublecolumns{\begingroup % ended by \enddoublecolumns
2744 % Grab any single-column material above us.
2745 \output = {\global\setbox\partialpage = \vbox{%
2747 % Here is a possibility not foreseen in manmac: if we accumulate a
2748 % whole lot of material, we might end up calling this \output
2749 % routine twice in a row (see the doublecol-lose test, which is
2750 % essentially a couple of indexes with @setchapternewpage off). In
2751 % that case, we must prevent the second \partialpage from
2752 % simply overwriting the first, causing us to lose the page.
2753 % This will preserve it until a real output routine can ship it
2754 % out. Generally, \partialpage will be empty when this runs and
2755 % this will be a no-op.
2756 \unvbox\partialpage
2758 % Unvbox the main output page.
2759 \unvbox255
2760 \kern-\topskip \kern\baselineskip
2762 \eject
2764 % Use the double-column output routine for subsequent pages.
2765 \output = {\doublecolumnout}%
2767 % Change the page size parameters. We could do this once outside this
2768 % routine, in each of @smallbook, @afourpaper, and the default 8.5x11
2769 % format, but then we repeat the same computation. Repeating a couple
2770 % of assignments once per index is clearly meaningless for the
2771 % execution time, so we may as well do it in one place.
2773 % First we halve the line length, less a little for the gutter between
2774 % the columns. We compute the gutter based on the line length, so it
2775 % changes automatically with the paper format. The magic constant
2776 % below is chosen so that the gutter has the same value (well, +-<1pt)
2777 % as it did when we hard-coded it.
2779 % We put the result in a separate register, \doublecolumhsize, so we
2780 % can restore it in \pagesofar, after \hsize itself has (potentially)
2781 % been clobbered.
2783 \doublecolumnhsize = \hsize
2784 \advance\doublecolumnhsize by -.04154\hsize
2785 \divide\doublecolumnhsize by 2
2786 \hsize = \doublecolumnhsize
2788 % Double the \vsize as well. (We don't need a separate register here,
2789 % since nobody clobbers \vsize.)
2790 \vsize = 2\vsize
2792 \def\doublecolumnout{%
2793 \splittopskip=\topskip \splitmaxdepth=\maxdepth
2794 % Get the available space for the double columns -- the normal
2795 % (undoubled) page height minus any material left over from the
2796 % previous page.
2797 \dimen@=\pageheight \advance\dimen@ by-\ht\partialpage
2798 % box0 will be the left-hand column, box2 the right.
2799 \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@
2800 \onepageout\pagesofar
2801 \unvbox255
2802 \penalty\outputpenalty
2804 \def\pagesofar{%
2805 % Re-output the contents of the output page -- any previous material,
2806 % followed by the two boxes we just split.
2807 \unvbox\partialpage
2808 \hsize = \doublecolumnhsize
2809 \wd0=\hsize \wd2=\hsize \hbox to\pagewidth{\box0\hfil\box2}%
2811 \def\enddoublecolumns{%
2812 \output = {\balancecolumns}\eject % split what we have
2813 \endgroup % started in \begindoublecolumns
2815 % Back to normal single-column typesetting, but take account of the
2816 % fact that we just accumulated some stuff on the output page.
2817 \pagegoal = \vsize
2819 \def\balancecolumns{%
2820 % Called at the end of the double column material.
2821 \setbox0 = \vbox{\unvbox255}%
2822 \dimen@ = \ht0
2823 \advance\dimen@ by \topskip
2824 \advance\dimen@ by-\baselineskip
2825 \divide\dimen@ by 2
2826 \splittopskip = \topskip
2827 % Loop until we get a decent breakpoint.
2828 {\vbadness=10000 \loop
2829 \global\setbox3=\copy0
2830 \global\setbox1=\vsplit3 to\dimen@
2831 \ifdim\ht3>\dimen@ \global\advance\dimen@ by1pt
2832 \repeat}%
2833 \setbox0=\vbox to\dimen@{\unvbox1}%
2834 \setbox2=\vbox to\dimen@{\unvbox3}%
2835 \pagesofar
2837 \catcode`\@ = \other
2840 \message{sectioning,}
2841 % Define chapters, sections, etc.
2843 \newcount\chapno
2844 \newcount\secno \secno=0
2845 \newcount\subsecno \subsecno=0
2846 \newcount\subsubsecno \subsubsecno=0
2848 % This counter is funny since it counts through charcodes of letters A, B, ...
2849 \newcount\appendixno \appendixno = `\@
2850 \def\appendixletter{\char\the\appendixno}
2852 \newwrite\contentsfile
2853 % This is called from \setfilename.
2854 \def\opencontents{\openout\contentsfile = \jobname.toc }
2856 % Each @chapter defines this as the name of the chapter.
2857 % page headings and footings can use it. @section does likewise
2859 \def\thischapter{} \def\thissection{}
2860 \def\seccheck#1{\ifnum \pageno<0
2861 \errmessage{@#1 not allowed after generating table of contents}%
2862 \fi}
2864 \def\chapternofonts{%
2865 \let\rawbackslash=\relax
2866 \let\frenchspacing=\relax
2867 \def\result{\realbackslash result}%
2868 \def\equiv{\realbackslash equiv}%
2869 \def\expansion{\realbackslash expansion}%
2870 \def\print{\realbackslash print}%
2871 \def\TeX{\realbackslash TeX}%
2872 \def\dots{\realbackslash dots}%
2873 \def\result{\realbackslash result}%
2874 \def\equiv{\realbackslash equiv}%
2875 \def\expansion{\realbackslash expansion}%
2876 \def\print{\realbackslash print}%
2877 \def\error{\realbackslash error}%
2878 \def\point{\realbackslash point}%
2879 \def\copyright{\realbackslash copyright}%
2880 \def\tt{\realbackslash tt}%
2881 \def\bf{\realbackslash bf}%
2882 \def\w{\realbackslash w}%
2883 \def\less{\realbackslash less}%
2884 \def\gtr{\realbackslash gtr}%
2885 \def\hat{\realbackslash hat}%
2886 \def\char{\realbackslash char}%
2887 \def\tclose##1{\realbackslash tclose{##1}}%
2888 \def\code##1{\realbackslash code{##1}}%
2889 \def\samp##1{\realbackslash samp{##1}}%
2890 \def\r##1{\realbackslash r{##1}}%
2891 \def\b##1{\realbackslash b{##1}}%
2892 \def\key##1{\realbackslash key{##1}}%
2893 \def\file##1{\realbackslash file{##1}}%
2894 \def\kbd##1{\realbackslash kbd{##1}}%
2895 % These are redefined because @smartitalic wouldn't work inside xdef.
2896 \def\i##1{\realbackslash i{##1}}%
2897 \def\cite##1{\realbackslash cite{##1}}%
2898 \def\var##1{\realbackslash var{##1}}%
2899 \def\emph##1{\realbackslash emph{##1}}%
2900 \def\dfn##1{\realbackslash dfn{##1}}%
2903 \newcount\absseclevel % used to calculate proper heading level
2904 \newcount\secbase\secbase=0 % @raise/lowersections modify this count
2906 % @raisesections: treat @section as chapter, @subsection as section, etc.
2907 \def\raisesections{\global\advance\secbase by -1}
2908 \let\up=\raisesections % original BFox name
2910 % @lowersections: treat @chapter as section, @section as subsection, etc.
2911 \def\lowersections{\global\advance\secbase by 1}
2912 \let\down=\lowersections % original BFox name
2914 % Choose a numbered-heading macro
2915 % #1 is heading level if unmodified by @raisesections or @lowersections
2916 % #2 is text for heading
2917 \def\numhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
2918 \ifcase\absseclevel
2919 \chapterzzz{#2}
2921 \seczzz{#2}
2923 \numberedsubseczzz{#2}
2925 \numberedsubsubseczzz{#2}
2926 \else
2927 \ifnum \absseclevel<0
2928 \chapterzzz{#2}
2929 \else
2930 \numberedsubsubseczzz{#2}
2935 % like \numhead, but chooses appendix heading levels
2936 \def\apphead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
2937 \ifcase\absseclevel
2938 \appendixzzz{#2}
2940 \appendixsectionzzz{#2}
2942 \appendixsubseczzz{#2}
2944 \appendixsubsubseczzz{#2}
2945 \else
2946 \ifnum \absseclevel<0
2947 \appendixzzz{#2}
2948 \else
2949 \appendixsubsubseczzz{#2}
2954 % like \numhead, but chooses numberless heading levels
2955 \def\unnmhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
2956 \ifcase\absseclevel
2957 \unnumberedzzz{#2}
2959 \unnumberedseczzz{#2}
2961 \unnumberedsubseczzz{#2}
2963 \unnumberedsubsubseczzz{#2}
2964 \else
2965 \ifnum \absseclevel<0
2966 \unnumberedzzz{#2}
2967 \else
2968 \unnumberedsubsubseczzz{#2}
2974 \def\thischaptername{No Chapter Title}
2975 \outer\def\chapter{\parsearg\chapteryyy}
2976 \def\chapteryyy #1{\numhead0{#1}} % normally numhead0 calls chapterzzz
2977 \def\chapterzzz #1{\seccheck{chapter}%
2978 \secno=0 \subsecno=0 \subsubsecno=0
2979 \global\advance \chapno by 1 \message{\putwordChapter \the\chapno}%
2980 \chapmacro {#1}{\the\chapno}%
2981 \gdef\thissection{#1}%
2982 \gdef\thischaptername{#1}%
2983 % We don't substitute the actual chapter name into \thischapter
2984 % because we don't want its macros evaluated now.
2985 \xdef\thischapter{\putwordChapter{} \the\chapno: \noexpand\thischaptername}%
2986 {\chapternofonts%
2987 \toks0 = {#1}%
2988 \edef\temp{{\realbackslash chapentry{\the\toks0}{\the\chapno}{\noexpand\folio}}}%
2989 \escapechar=`\\%
2990 \iflinks \write\contentsfile\temp \fi
2991 \donoderef %
2992 \global\let\section = \numberedsec
2993 \global\let\subsection = \numberedsubsec
2994 \global\let\subsubsection = \numberedsubsubsec
2997 \outer\def\appendix{\parsearg\appendixyyy}
2998 \def\appendixyyy #1{\apphead0{#1}} % normally apphead0 calls appendixzzz
2999 \def\appendixzzz #1{\seccheck{appendix}%
3000 \secno=0 \subsecno=0 \subsubsecno=0
3001 \global\advance \appendixno by 1 \message{Appendix \appendixletter}%
3002 \chapmacro {#1}{\putwordAppendix{} \appendixletter}%
3003 \gdef\thissection{#1}%
3004 \gdef\thischaptername{#1}%
3005 \xdef\thischapter{\putwordAppendix{} \appendixletter: \noexpand\thischaptername}%
3006 {\chapternofonts%
3007 \toks0 = {#1}%
3008 \edef\temp{{\realbackslash chapentry{\the\toks0}%
3009 {\putwordAppendix{} \appendixletter}{\noexpand\folio}}}%
3010 \escapechar=`\\%
3011 \iflinks \write\contentsfile\temp \fi
3012 \appendixnoderef %
3013 \global\let\section = \appendixsec
3014 \global\let\subsection = \appendixsubsec
3015 \global\let\subsubsection = \appendixsubsubsec
3018 % @centerchap is like @unnumbered, but the heading is centered.
3019 \outer\def\centerchap{\parsearg\centerchapyyy}
3020 \def\centerchapyyy #1{{\let\unnumbchapmacro=\centerchapmacro \unnumberedyyy{#1}}}
3022 \outer\def\top{\parsearg\unnumberedyyy}
3023 \outer\def\unnumbered{\parsearg\unnumberedyyy}
3024 \def\unnumberedyyy #1{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz
3025 \def\unnumberedzzz #1{\seccheck{unnumbered}%
3026 \secno=0 \subsecno=0 \subsubsecno=0
3028 % This used to be simply \message{#1}, but TeX fully expands the
3029 % argument to \message. Therefore, if #1 contained @-commands, TeX
3030 % expanded them. For example, in `@unnumbered The @cite{Book}', TeX
3031 % expanded @cite (which turns out to cause errors because \cite is meant
3032 % to be executed, not expanded).
3034 % Anyway, we don't want the fully-expanded definition of @cite to appear
3035 % as a result of the \message, we just want `@cite' itself. We use
3036 % \the<toks register> to achieve this: TeX expands \the<toks> only once,
3037 % simply yielding the contents of the <toks register>.
3038 \toks0 = {#1}\message{(\the\toks0)}%
3040 \unnumbchapmacro {#1}%
3041 \gdef\thischapter{#1}\gdef\thissection{#1}%
3042 {\chapternofonts%
3043 \toks0 = {#1}%
3044 \edef\temp{{\realbackslash unnumbchapentry{\the\toks0}{\noexpand\folio}}}%
3045 \escapechar=`\\%
3046 \iflinks \write\contentsfile\temp \fi
3047 \unnumbnoderef %
3048 \global\let\section = \unnumberedsec
3049 \global\let\subsection = \unnumberedsubsec
3050 \global\let\subsubsection = \unnumberedsubsubsec
3053 \outer\def\numberedsec{\parsearg\secyyy}
3054 \def\secyyy #1{\numhead1{#1}} % normally calls seczzz
3055 \def\seczzz #1{\seccheck{section}%
3056 \subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
3057 \gdef\thissection{#1}\secheading {#1}{\the\chapno}{\the\secno}%
3058 {\chapternofonts%
3059 \toks0 = {#1}%
3060 \edef\temp{{\realbackslash secentry %
3061 {\the\toks0}{\the\chapno}{\the\secno}{\noexpand\folio}}}%
3062 \escapechar=`\\%
3063 \iflinks \write\contentsfile\temp \fi
3064 \donoderef %
3065 \penalty 10000 %
3068 \outer\def\appendixsection{\parsearg\appendixsecyyy}
3069 \outer\def\appendixsec{\parsearg\appendixsecyyy}
3070 \def\appendixsecyyy #1{\apphead1{#1}} % normally calls appendixsectionzzz
3071 \def\appendixsectionzzz #1{\seccheck{appendixsection}%
3072 \subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
3073 \gdef\thissection{#1}\secheading {#1}{\appendixletter}{\the\secno}%
3074 {\chapternofonts%
3075 \toks0 = {#1}%
3076 \edef\temp{{\realbackslash secentry %
3077 {\the\toks0}{\appendixletter}{\the\secno}{\noexpand\folio}}}%
3078 \escapechar=`\\%
3079 \iflinks \write\contentsfile\temp \fi
3080 \appendixnoderef %
3081 \penalty 10000 %
3084 \outer\def\unnumberedsec{\parsearg\unnumberedsecyyy}
3085 \def\unnumberedsecyyy #1{\unnmhead1{#1}} % normally calls unnumberedseczzz
3086 \def\unnumberedseczzz #1{\seccheck{unnumberedsec}%
3087 \plainsecheading {#1}\gdef\thissection{#1}%
3088 {\chapternofonts%
3089 \toks0 = {#1}%
3090 \edef\temp{{\realbackslash unnumbsecentry{\the\toks0}{\noexpand\folio}}}%
3091 \escapechar=`\\%
3092 \iflinks \write\contentsfile\temp \fi
3093 \unnumbnoderef %
3094 \penalty 10000 %
3097 \outer\def\numberedsubsec{\parsearg\numberedsubsecyyy}
3098 \def\numberedsubsecyyy #1{\numhead2{#1}} % normally calls numberedsubseczzz
3099 \def\numberedsubseczzz #1{\seccheck{subsection}%
3100 \gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
3101 \subsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}%
3102 {\chapternofonts%
3103 \toks0 = {#1}%
3104 \edef\temp{{\realbackslash subsecentry %
3105 {\the\toks0}{\the\chapno}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
3106 \escapechar=`\\%
3107 \iflinks \write\contentsfile\temp \fi
3108 \donoderef %
3109 \penalty 10000 %
3112 \outer\def\appendixsubsec{\parsearg\appendixsubsecyyy}
3113 \def\appendixsubsecyyy #1{\apphead2{#1}} % normally calls appendixsubseczzz
3114 \def\appendixsubseczzz #1{\seccheck{appendixsubsec}%
3115 \gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
3116 \subsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}%
3117 {\chapternofonts%
3118 \toks0 = {#1}%
3119 \edef\temp{{\realbackslash subsecentry %
3120 {\the\toks0}{\appendixletter}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
3121 \escapechar=`\\%
3122 \iflinks \write\contentsfile\temp \fi
3123 \appendixnoderef %
3124 \penalty 10000 %
3127 \outer\def\unnumberedsubsec{\parsearg\unnumberedsubsecyyy}
3128 \def\unnumberedsubsecyyy #1{\unnmhead2{#1}} %normally calls unnumberedsubseczzz
3129 \def\unnumberedsubseczzz #1{\seccheck{unnumberedsubsec}%
3130 \plainsubsecheading {#1}\gdef\thissection{#1}%
3131 {\chapternofonts%
3132 \toks0 = {#1}%
3133 \edef\temp{{\realbackslash unnumbsubsecentry{\the\toks0}{\noexpand\folio}}}%
3134 \escapechar=`\\%
3135 \iflinks \write\contentsfile\temp \fi
3136 \unnumbnoderef %
3137 \penalty 10000 %
3140 \outer\def\numberedsubsubsec{\parsearg\numberedsubsubsecyyy}
3141 \def\numberedsubsubsecyyy #1{\numhead3{#1}} % normally numberedsubsubseczzz
3142 \def\numberedsubsubseczzz #1{\seccheck{subsubsection}%
3143 \gdef\thissection{#1}\global\advance \subsubsecno by 1 %
3144 \subsubsecheading {#1}
3145 {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
3146 {\chapternofonts%
3147 \toks0 = {#1}%
3148 \edef\temp{{\realbackslash subsubsecentry{\the\toks0}
3149 {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}
3150 {\noexpand\folio}}}%
3151 \escapechar=`\\%
3152 \iflinks \write\contentsfile\temp \fi
3153 \donoderef %
3154 \penalty 10000 %
3157 \outer\def\appendixsubsubsec{\parsearg\appendixsubsubsecyyy}
3158 \def\appendixsubsubsecyyy #1{\apphead3{#1}} % normally appendixsubsubseczzz
3159 \def\appendixsubsubseczzz #1{\seccheck{appendixsubsubsec}%
3160 \gdef\thissection{#1}\global\advance \subsubsecno by 1 %
3161 \subsubsecheading {#1}
3162 {\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
3163 {\chapternofonts%
3164 \toks0 = {#1}%
3165 \edef\temp{{\realbackslash subsubsecentry{\the\toks0}%
3166 {\appendixletter}
3167 {\the\secno}{\the\subsecno}{\the\subsubsecno}{\noexpand\folio}}}%
3168 \escapechar=`\\%
3169 \iflinks \write\contentsfile\temp \fi
3170 \appendixnoderef %
3171 \penalty 10000 %
3174 \outer\def\unnumberedsubsubsec{\parsearg\unnumberedsubsubsecyyy}
3175 \def\unnumberedsubsubsecyyy #1{\unnmhead3{#1}} %normally unnumberedsubsubseczzz
3176 \def\unnumberedsubsubseczzz #1{\seccheck{unnumberedsubsubsec}%
3177 \plainsubsubsecheading {#1}\gdef\thissection{#1}%
3178 {\chapternofonts%
3179 \toks0 = {#1}%
3180 \edef\temp{{\realbackslash unnumbsubsubsecentry{\the\toks0}{\noexpand\folio}}}%
3181 \escapechar=`\\%
3182 \iflinks \write\contentsfile\temp \fi
3183 \unnumbnoderef %
3184 \penalty 10000 %
3187 % These are variants which are not "outer", so they can appear in @ifinfo.
3188 % Actually, they should now be obsolete; ordinary section commands should work.
3189 \def\infotop{\parsearg\unnumberedzzz}
3190 \def\infounnumbered{\parsearg\unnumberedzzz}
3191 \def\infounnumberedsec{\parsearg\unnumberedseczzz}
3192 \def\infounnumberedsubsec{\parsearg\unnumberedsubseczzz}
3193 \def\infounnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz}
3195 \def\infoappendix{\parsearg\appendixzzz}
3196 \def\infoappendixsec{\parsearg\appendixseczzz}
3197 \def\infoappendixsubsec{\parsearg\appendixsubseczzz}
3198 \def\infoappendixsubsubsec{\parsearg\appendixsubsubseczzz}
3200 \def\infochapter{\parsearg\chapterzzz}
3201 \def\infosection{\parsearg\sectionzzz}
3202 \def\infosubsection{\parsearg\subsectionzzz}
3203 \def\infosubsubsection{\parsearg\subsubsectionzzz}
3205 % These macros control what the section commands do, according
3206 % to what kind of chapter we are in (ordinary, appendix, or unnumbered).
3207 % Define them by default for a numbered chapter.
3208 \global\let\section = \numberedsec
3209 \global\let\subsection = \numberedsubsec
3210 \global\let\subsubsection = \numberedsubsubsec
3212 % Define @majorheading, @heading and @subheading
3214 % NOTE on use of \vbox for chapter headings, section headings, and
3215 % such:
3216 % 1) We use \vbox rather than the earlier \line to permit
3217 % overlong headings to fold.
3218 % 2) \hyphenpenalty is set to 10000 because hyphenation in a
3219 % heading is obnoxious; this forbids it.
3220 % 3) Likewise, headings look best if no \parindent is used, and
3221 % if justification is not attempted. Hence \raggedright.
3224 \def\majorheading{\parsearg\majorheadingzzz}
3225 \def\majorheadingzzz #1{%
3226 {\advance\chapheadingskip by 10pt \chapbreak }%
3227 {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
3228 \parindent=0pt\raggedright
3229 \rm #1\hfill}}\bigskip \par\penalty 200}
3231 \def\chapheading{\parsearg\chapheadingzzz}
3232 \def\chapheadingzzz #1{\chapbreak %
3233 {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
3234 \parindent=0pt\raggedright
3235 \rm #1\hfill}}\bigskip \par\penalty 200}
3237 % @heading, @subheading, @subsubheading.
3238 \def\heading{\parsearg\plainsecheading}
3239 \def\subheading{\parsearg\plainsubsecheading}
3240 \def\subsubheading{\parsearg\plainsubsubsecheading}
3242 % These macros generate a chapter, section, etc. heading only
3243 % (including whitespace, linebreaking, etc. around it),
3244 % given all the information in convenient, parsed form.
3246 %%% Args are the skip and penalty (usually negative)
3247 \def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi}
3249 \def\setchapterstyle #1 {\csname CHAPF#1\endcsname}
3251 %%% Define plain chapter starts, and page on/off switching for it
3252 % Parameter controlling skip before chapter headings (if needed)
3254 \newskip\chapheadingskip
3256 \def\chapbreak{\dobreak \chapheadingskip {-4000}}
3257 \def\chappager{\par\vfill\supereject}
3258 \def\chapoddpage{\chappager \ifodd\pageno \else \hbox to 0pt{} \chappager\fi}
3260 \def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname}
3262 \def\CHAPPAGoff{
3263 \global\let\contentsalignmacro = \chappager
3264 \global\let\pchapsepmacro=\chapbreak
3265 \global\let\pagealignmacro=\chappager}
3267 \def\CHAPPAGon{
3268 \global\let\contentsalignmacro = \chappager
3269 \global\let\pchapsepmacro=\chappager
3270 \global\let\pagealignmacro=\chappager
3271 \global\def\HEADINGSon{\HEADINGSsingle}}
3273 \def\CHAPPAGodd{
3274 \global\let\contentsalignmacro = \chapoddpage
3275 \global\let\pchapsepmacro=\chapoddpage
3276 \global\let\pagealignmacro=\chapoddpage
3277 \global\def\HEADINGSon{\HEADINGSdouble}}
3279 \CHAPPAGon
3281 \def\CHAPFplain{
3282 \global\let\chapmacro=\chfplain
3283 \global\let\unnumbchapmacro=\unnchfplain
3284 \global\let\centerchapmacro=\centerchfplain}
3286 % Plain chapter opening.
3287 % #1 is the text, #2 the chapter number or empty if unnumbered.
3288 \def\chfplain#1#2{%
3289 \pchapsepmacro
3291 \chapfonts \rm
3292 \def\chapnum{#2}%
3293 \setbox0 = \hbox{#2\ifx\chapnum\empty\else\enspace\fi}%
3294 \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
3295 \hangindent = \wd0 \centerparametersmaybe
3296 \unhbox0 #1\par}%
3298 \nobreak\bigskip % no page break after a chapter title
3299 \nobreak
3302 % Plain opening for unnumbered.
3303 \def\unnchfplain#1{\chfplain{#1}{}}
3305 % @centerchap -- centered and unnumbered.
3306 \let\centerparametersmaybe = \relax
3307 \def\centerchfplain#1{{%
3308 \def\centerparametersmaybe{%
3309 \advance\rightskip by 3\rightskip
3310 \leftskip = \rightskip
3311 \parfillskip = 0pt
3313 \chfplain{#1}{}%
3316 \CHAPFplain % The default
3318 \def\unnchfopen #1{%
3319 \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
3320 \parindent=0pt\raggedright
3321 \rm #1\hfill}}\bigskip \par\penalty 10000 %
3324 \def\chfopen #1#2{\chapoddpage {\chapfonts
3325 \vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}%
3326 \par\penalty 5000 %
3329 \def\centerchfopen #1{%
3330 \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
3331 \parindent=0pt
3332 \hfill {\rm #1}\hfill}}\bigskip \par\penalty 10000 %
3335 \def\CHAPFopen{
3336 \global\let\chapmacro=\chfopen
3337 \global\let\unnumbchapmacro=\unnchfopen
3338 \global\let\centerchapmacro=\centerchfopen}
3341 % Section titles.
3342 \newskip\secheadingskip
3343 \def\secheadingbreak{\dobreak \secheadingskip {-1000}}
3344 \def\secheading#1#2#3{\sectionheading{sec}{#2.#3}{#1}}
3345 \def\plainsecheading#1{\sectionheading{sec}{}{#1}}
3347 % Subsection titles.
3348 \newskip \subsecheadingskip
3349 \def\subsecheadingbreak{\dobreak \subsecheadingskip {-500}}
3350 \def\subsecheading#1#2#3#4{\sectionheading{subsec}{#2.#3.#4}{#1}}
3351 \def\plainsubsecheading#1{\sectionheading{subsec}{}{#1}}
3353 % Subsubsection titles.
3354 \let\subsubsecheadingskip = \subsecheadingskip
3355 \let\subsubsecheadingbreak = \subsecheadingbreak
3356 \def\subsubsecheading#1#2#3#4#5{\sectionheading{subsubsec}{#2.#3.#4.#5}{#1}}
3357 \def\plainsubsubsecheading#1{\sectionheading{subsubsec}{}{#1}}
3360 % Print any size section title.
3362 % #1 is the section type (sec/subsec/subsubsec), #2 is the section
3363 % number (maybe empty), #3 the text.
3364 \def\sectionheading#1#2#3{%
3366 \expandafter\advance\csname #1headingskip\endcsname by \parskip
3367 \csname #1headingbreak\endcsname
3370 % Switch to the right set of fonts.
3371 \csname #1fonts\endcsname \rm
3373 % Only insert the separating space if we have a section number.
3374 \def\secnum{#2}%
3375 \setbox0 = \hbox{#2\ifx\secnum\empty\else\enspace\fi}%
3377 \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
3378 \hangindent = \wd0 % zero if no section number
3379 \unhbox0 #3}%
3381 \ifdim\parskip<10pt \nobreak\kern10pt\nobreak\kern-\parskip\fi \nobreak
3385 \message{toc printing,}
3386 % Finish up the main text and prepare to read what we've written
3387 % to \contentsfile.
3389 \newskip\contentsrightmargin \contentsrightmargin=1in
3390 \def\startcontents#1{%
3391 % If @setchapternewpage on, and @headings double, the contents should
3392 % start on an odd page, unlike chapters. Thus, we maintain
3393 % \contentsalignmacro in parallel with \pagealignmacro.
3394 % From: Torbjorn Granlund <tege@matematik.su.se>
3395 \contentsalignmacro
3396 \immediate\closeout \contentsfile
3397 \ifnum \pageno>0
3398 \pageno = -1 % Request roman numbered pages.
3400 % Don't need to put `Contents' or `Short Contents' in the headline.
3401 % It is abundantly clear what they are.
3402 \unnumbchapmacro{#1}\def\thischapter{}%
3403 \begingroup % Set up to handle contents files properly.
3404 \catcode`\\=0 \catcode`\{=1 \catcode`\}=2 \catcode`\@=11
3405 % We can't do this, because then an actual ^ in a section
3406 % title fails, e.g., @chapter ^ -- exponentiation. --karl, 9jul97.
3407 %\catcode`\^=7 % to see ^^e4 as \"a etc. juha@piuha.ydi.vtt.fi
3408 \raggedbottom % Worry more about breakpoints than the bottom.
3409 \advance\hsize by -\contentsrightmargin % Don't use the full line length.
3413 % Normal (long) toc.
3414 \outer\def\contents{%
3415 \startcontents{\putwordTableofContents}%
3416 \input \jobname.toc
3417 \endgroup
3418 \vfill \eject
3421 % And just the chapters.
3422 \outer\def\summarycontents{%
3423 \startcontents{\putwordShortContents}%
3425 \let\chapentry = \shortchapentry
3426 \let\unnumbchapentry = \shortunnumberedentry
3427 % We want a true roman here for the page numbers.
3428 \secfonts
3429 \let\rm=\shortcontrm \let\bf=\shortcontbf \let\sl=\shortcontsl
3431 \hyphenpenalty = 10000
3432 \advance\baselineskip by 1pt % Open it up a little.
3433 \def\secentry ##1##2##3##4{}
3434 \def\unnumbsecentry ##1##2{}
3435 \def\subsecentry ##1##2##3##4##5{}
3436 \def\unnumbsubsecentry ##1##2{}
3437 \def\subsubsecentry ##1##2##3##4##5##6{}
3438 \def\unnumbsubsubsecentry ##1##2{}
3439 \input \jobname.toc
3440 \endgroup
3441 \vfill \eject
3443 \let\shortcontents = \summarycontents
3445 % These macros generate individual entries in the table of contents.
3446 % The first argument is the chapter or section name.
3447 % The last argument is the page number.
3448 % The arguments in between are the chapter number, section number, ...
3450 % Chapter-level things, for both the long and short contents.
3451 \def\chapentry#1#2#3{\dochapentry{#2\labelspace#1}{#3}}
3453 % See comments in \dochapentry re vbox and related settings
3454 \def\shortchapentry#1#2#3{%
3455 \tocentry{\shortchaplabel{#2}\labelspace #1}{\doshortpageno{#3}}%
3458 % Typeset the label for a chapter or appendix for the short contents.
3459 % The arg is, e.g. `Appendix A' for an appendix, or `3' for a chapter.
3460 % We could simplify the code here by writing out an \appendixentry
3461 % command in the toc file for appendices, instead of using \chapentry
3462 % for both, but it doesn't seem worth it.
3463 \setbox0 = \hbox{\shortcontrm \putwordAppendix }
3464 \newdimen\shortappendixwidth \shortappendixwidth = \wd0
3466 \def\shortchaplabel#1{%
3467 % We typeset #1 in a box of constant width, regardless of the text of
3468 % #1, so the chapter titles will come out aligned.
3469 \setbox0 = \hbox{#1}%
3470 \dimen0 = \ifdim\wd0 > \shortappendixwidth \shortappendixwidth \else 0pt \fi
3472 % This space should be plenty, since a single number is .5em, and the
3473 % widest letter (M) is 1em, at least in the Computer Modern fonts.
3474 % (This space doesn't include the extra space that gets added after
3475 % the label; that gets put in by \shortchapentry above.)
3476 \advance\dimen0 by 1.1em
3477 \hbox to \dimen0{#1\hfil}%
3480 \def\unnumbchapentry#1#2{\dochapentry{#1}{#2}}
3481 \def\shortunnumberedentry#1#2{\tocentry{#1}{\doshortpageno{#2}}}
3483 % Sections.
3484 \def\secentry#1#2#3#4{\dosecentry{#2.#3\labelspace#1}{#4}}
3485 \def\unnumbsecentry#1#2{\dosecentry{#1}{#2}}
3487 % Subsections.
3488 \def\subsecentry#1#2#3#4#5{\dosubsecentry{#2.#3.#4\labelspace#1}{#5}}
3489 \def\unnumbsubsecentry#1#2{\dosubsecentry{#1}{#2}}
3491 % And subsubsections.
3492 \def\subsubsecentry#1#2#3#4#5#6{%
3493 \dosubsubsecentry{#2.#3.#4.#5\labelspace#1}{#6}}
3494 \def\unnumbsubsubsecentry#1#2{\dosubsubsecentry{#1}{#2}}
3496 % This parameter controls the indentation of the various levels.
3497 \newdimen\tocindent \tocindent = 3pc
3499 % Now for the actual typesetting. In all these, #1 is the text and #2 is the
3500 % page number.
3502 % If the toc has to be broken over pages, we want it to be at chapters
3503 % if at all possible; hence the \penalty.
3504 \def\dochapentry#1#2{%
3505 \penalty-300 \vskip1\baselineskip plus.33\baselineskip minus.25\baselineskip
3506 \begingroup
3507 \chapentryfonts
3508 \tocentry{#1}{\dopageno{#2}}%
3509 \endgroup
3510 \nobreak\vskip .25\baselineskip plus.1\baselineskip
3513 \def\dosecentry#1#2{\begingroup
3514 \secentryfonts \leftskip=\tocindent
3515 \tocentry{#1}{\dopageno{#2}}%
3516 \endgroup}
3518 \def\dosubsecentry#1#2{\begingroup
3519 \subsecentryfonts \leftskip=2\tocindent
3520 \tocentry{#1}{\dopageno{#2}}%
3521 \endgroup}
3523 \def\dosubsubsecentry#1#2{\begingroup
3524 \subsubsecentryfonts \leftskip=3\tocindent
3525 \tocentry{#1}{\dopageno{#2}}%
3526 \endgroup}
3528 % Final typesetting of a toc entry; we use the same \entry macro as for
3529 % the index entries, but we want to suppress hyphenation here. (We
3530 % can't do that in the \entry macro, since index entries might consist
3531 % of hyphenated-identifiers-that-do-not-fit-on-a-line-and-nothing-else.)
3532 \def\tocentry#1#2{\begingroup
3533 \vskip 0pt plus1pt % allow a little stretch for the sake of nice page breaks
3534 % Do not use \turnoffactive in these arguments. Since the toc is
3535 % typeset in cmr, so characters such as _ would come out wrong; we
3536 % have to do the usual translation tricks.
3537 \entry{#1}{#2}%
3538 \endgroup}
3540 % Space between chapter (or whatever) number and the title.
3541 \def\labelspace{\hskip1em \relax}
3543 \def\dopageno#1{{\rm #1}}
3544 \def\doshortpageno#1{{\rm #1}}
3546 \def\chapentryfonts{\secfonts \rm}
3547 \def\secentryfonts{\textfonts}
3548 \let\subsecentryfonts = \textfonts
3549 \let\subsubsecentryfonts = \textfonts
3552 \message{environments,}
3554 % Since these characters are used in examples, it should be an even number of
3555 % \tt widths. Each \tt character is 1en, so two makes it 1em.
3556 % Furthermore, these definitions must come after we define our fonts.
3557 \newbox\dblarrowbox \newbox\longdblarrowbox
3558 \newbox\pushcharbox \newbox\bullbox
3559 \newbox\equivbox \newbox\errorbox
3561 %{\tentt
3562 %\global\setbox\dblarrowbox = \hbox to 1em{\hfil$\Rightarrow$\hfil}
3563 %\global\setbox\longdblarrowbox = \hbox to 1em{\hfil$\mapsto$\hfil}
3564 %\global\setbox\pushcharbox = \hbox to 1em{\hfil$\dashv$\hfil}
3565 %\global\setbox\equivbox = \hbox to 1em{\hfil$\ptexequiv$\hfil}
3566 % Adapted from the manmac format (p.420 of TeXbook)
3567 %\global\setbox\bullbox = \hbox to 1em{\kern.15em\vrule height .75ex width .85ex
3568 % depth .1ex\hfil}
3571 % @point{}, @result{}, @expansion{}, @print{}, @equiv{}.
3572 \def\point{$\star$}
3573 \def\result{\leavevmode\raise.15ex\hbox to 1em{\hfil$\Rightarrow$\hfil}}
3574 \def\expansion{\leavevmode\raise.1ex\hbox to 1em{\hfil$\mapsto$\hfil}}
3575 \def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}}
3576 \def\equiv{\leavevmode\lower.1ex\hbox to 1em{\hfil$\ptexequiv$\hfil}}
3578 % Adapted from the TeXbook's \boxit.
3579 {\tentt \global\dimen0 = 3em}% Width of the box.
3580 \dimen2 = .55pt % Thickness of rules
3581 % The text. (`r' is open on the right, `e' somewhat less so on the left.)
3582 \setbox0 = \hbox{\kern-.75pt \tensf error\kern-1.5pt}
3584 \global\setbox\errorbox=\hbox to \dimen0{\hfil
3585 \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right.
3586 \advance\hsize by -2\dimen2 % Rules.
3587 \vbox{
3588 \hrule height\dimen2
3589 \hbox{\vrule width\dimen2 \kern3pt % Space to left of text.
3590 \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below.
3591 \kern3pt\vrule width\dimen2}% Space to right.
3592 \hrule height\dimen2}
3593 \hfil}
3595 % The @error{} command.
3596 \def\error{\leavevmode\lower.7ex\copy\errorbox}
3598 % @tex ... @end tex escapes into raw Tex temporarily.
3599 % One exception: @ is still an escape character, so that @end tex works.
3600 % But \@ or @@ will get a plain tex @ character.
3602 \def\tex{\begingroup
3603 \catcode `\\=0 \catcode `\{=1 \catcode `\}=2
3604 \catcode `\$=3 \catcode `\&=4 \catcode `\#=6
3605 \catcode `\^=7 \catcode `\_=8 \catcode `\~=13 \let~=\tie
3606 \catcode `\%=14
3607 \catcode 43=12 % plus
3608 \catcode`\"=12
3609 \catcode`\==12
3610 \catcode`\|=12
3611 \catcode`\<=12
3612 \catcode`\>=12
3613 \escapechar=`\\
3615 \let\b=\ptexb
3616 \let\bullet=\ptexbullet
3617 \let\c=\ptexc
3618 \let\,=\ptexcomma
3619 \let\.=\ptexdot
3620 \let\dots=\ptexdots
3621 \let\equiv=\ptexequiv
3622 \let\!=\ptexexclam
3623 \let\i=\ptexi
3624 \let\{=\ptexlbrace
3625 \let\+=\tabalign
3626 \let\}=\ptexrbrace
3627 \let\*=\ptexstar
3628 \let\t=\ptext
3630 \def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}%
3631 \def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}%
3632 \def\@{@}%
3633 \let\Etex=\endgroup}
3635 % Define @lisp ... @endlisp.
3636 % @lisp does a \begingroup so it can rebind things,
3637 % including the definition of @endlisp (which normally is erroneous).
3639 % Amount to narrow the margins by for @lisp.
3640 \newskip\lispnarrowing \lispnarrowing=0.4in
3642 % This is the definition that ^^M gets inside @lisp, @example, and other
3643 % such environments. \null is better than a space, since it doesn't
3644 % have any width.
3645 \def\lisppar{\null\endgraf}
3647 % Make each space character in the input produce a normal interword
3648 % space in the output. Don't allow a line break at this space, as this
3649 % is used only in environments like @example, where each line of input
3650 % should produce a line of output anyway.
3652 {\obeyspaces %
3653 \gdef\sepspaces{\obeyspaces\let =\tie}}
3655 % Define \obeyedspace to be our active space, whatever it is. This is
3656 % for use in \parsearg.
3657 {\sepspaces%
3658 \global\let\obeyedspace= }
3660 % This space is always present above and below environments.
3661 \newskip\envskipamount \envskipamount = 0pt
3663 % Make spacing and below environment symmetrical. We use \parskip here
3664 % to help in doing that, since in @example-like environments \parskip
3665 % is reset to zero; thus the \afterenvbreak inserts no space -- but the
3666 % start of the next paragraph will insert \parskip
3668 \def\aboveenvbreak{{\advance\envskipamount by \parskip
3669 \endgraf \ifdim\lastskip<\envskipamount
3670 \removelastskip \penalty-50 \vskip\envskipamount \fi}}
3672 \let\afterenvbreak = \aboveenvbreak
3674 % \nonarrowing is a flag. If "set", @lisp etc don't narrow margins.
3675 \let\nonarrowing=\relax
3677 % @cartouche ... @end cartouche: draw rectangle w/rounded corners around
3678 % environment contents.
3679 \font\circle=lcircle10
3680 \newdimen\circthick
3681 \newdimen\cartouter\newdimen\cartinner
3682 \newskip\normbskip\newskip\normpskip\newskip\normlskip
3683 \circthick=\fontdimen8\circle
3685 \def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth
3686 \def\ctr{{\hskip 6pt\circle\char'010}}
3687 \def\cbl{{\circle\char'012\hskip -6pt}}
3688 \def\cbr{{\hskip 6pt\circle\char'011}}
3689 \def\carttop{\hbox to \cartouter{\hskip\lskip
3690 \ctl\leaders\hrule height\circthick\hfil\ctr
3691 \hskip\rskip}}
3692 \def\cartbot{\hbox to \cartouter{\hskip\lskip
3693 \cbl\leaders\hrule height\circthick\hfil\cbr
3694 \hskip\rskip}}
3696 \newskip\lskip\newskip\rskip
3698 \long\def\cartouche{%
3699 \begingroup
3700 \lskip=\leftskip \rskip=\rightskip
3701 \leftskip=0pt\rightskip=0pt %we want these *outside*.
3702 \cartinner=\hsize \advance\cartinner by-\lskip
3703 \advance\cartinner by-\rskip
3704 \cartouter=\hsize
3705 \advance\cartouter by 18.4pt % allow for 3pt kerns on either
3706 % side, and for 6pt waste from
3707 % each corner char, and rule thickness
3708 \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip
3709 % Flag to tell @lisp, etc., not to narrow margin.
3710 \let\nonarrowing=\comment
3711 \vbox\bgroup
3712 \baselineskip=0pt\parskip=0pt\lineskip=0pt
3713 \carttop
3714 \hbox\bgroup
3715 \hskip\lskip
3716 \vrule\kern3pt
3717 \vbox\bgroup
3718 \hsize=\cartinner
3719 \kern3pt
3720 \begingroup
3721 \baselineskip=\normbskip
3722 \lineskip=\normlskip
3723 \parskip=\normpskip
3724 \vskip -\parskip
3725 \def\Ecartouche{%
3726 \endgroup
3727 \kern3pt
3728 \egroup
3729 \kern3pt\vrule
3730 \hskip\rskip
3731 \egroup
3732 \cartbot
3733 \egroup
3734 \endgroup
3738 % This macro is called at the beginning of all the @example variants,
3739 % inside a group.
3740 \def\nonfillstart{%
3741 \aboveenvbreak
3742 \inENV % This group ends at the end of the body
3743 \hfuzz = 12pt % Don't be fussy
3744 \sepspaces % Make spaces be word-separators rather than space tokens.
3745 \singlespace
3746 \let\par = \lisppar % don't ignore blank lines
3747 \obeylines % each line of input is a line of output
3748 \parskip = 0pt
3749 \parindent = 0pt
3750 \emergencystretch = 0pt % don't try to avoid overfull boxes
3751 % @cartouche defines \nonarrowing to inhibit narrowing
3752 % at next level down.
3753 \ifx\nonarrowing\relax
3754 \advance \leftskip by \lispnarrowing
3755 \exdentamount=\lispnarrowing
3756 \let\exdent=\nofillexdent
3757 \let\nonarrowing=\relax
3761 % To ending an @example-like environment, we first end the paragraph
3762 % (via \afterenvbreak's vertical glue), and then the group. That way we
3763 % keep the zero \parskip that the environments set -- \parskip glue
3764 % will be inserted at the beginning of the next paragraph in the
3765 % document, after the environment.
3767 \def\nonfillfinish{\afterenvbreak\endgroup}%
3769 \def\lisp{\begingroup
3770 \nonfillstart
3771 \let\Elisp = \nonfillfinish
3773 % Make @kbd do something special, if requested.
3774 \let\kbdfont\kbdexamplefont
3775 \rawbackslash % have \ input char produce \ char from current font
3776 \gobble
3779 % Define the \E... control sequence only if we are inside the
3780 % environment, so the error checking in \end will work.
3782 % We must call \lisp last in the definition, since it reads the
3783 % return following the @example (or whatever) command.
3785 \def\example{\begingroup \def\Eexample{\nonfillfinish\endgroup}\lisp}
3786 \def\smallexample{\begingroup \def\Esmallexample{\nonfillfinish\endgroup}\lisp}
3787 \def\smalllisp{\begingroup \def\Esmalllisp{\nonfillfinish\endgroup}\lisp}
3789 % @smallexample and @smalllisp. This is not used unless the @smallbook
3790 % command is given. Originally contributed by Pavel@xerox.
3792 \def\smalllispx{\begingroup
3793 \nonfillstart
3794 \let\Esmalllisp = \nonfillfinish
3795 \let\Esmallexample = \nonfillfinish
3797 % Smaller fonts for small examples.
3798 \indexfonts \tt
3799 \rawbackslash % make \ output the \ character from the current font (tt)
3800 \gobble
3803 % This is @display; same as @lisp except use roman font.
3805 \def\display{\begingroup
3806 \nonfillstart
3807 \let\Edisplay = \nonfillfinish
3808 \gobble
3811 % This is @format; same as @display except don't narrow margins.
3813 \def\format{\begingroup
3814 \let\nonarrowing = t
3815 \nonfillstart
3816 \let\Eformat = \nonfillfinish
3817 \gobble
3820 % @flushleft (same as @format) and @flushright.
3822 \def\flushleft{\begingroup
3823 \let\nonarrowing = t
3824 \nonfillstart
3825 \let\Eflushleft = \nonfillfinish
3826 \gobble
3828 \def\flushright{\begingroup
3829 \let\nonarrowing = t
3830 \nonfillstart
3831 \let\Eflushright = \nonfillfinish
3832 \advance\leftskip by 0pt plus 1fill
3833 \gobble}
3835 % @quotation does normal linebreaking (hence we can't use \nonfillstart)
3836 % and narrows the margins.
3838 \def\quotation{%
3839 \begingroup\inENV %This group ends at the end of the @quotation body
3840 {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip
3841 \singlespace
3842 \parindent=0pt
3843 % We have retained a nonzero parskip for the environment, since we're
3844 % doing normal filling. So to avoid extra space below the environment...
3845 \def\Equotation{\parskip = 0pt \nonfillfinish}%
3847 % @cartouche defines \nonarrowing to inhibit narrowing at next level down.
3848 \ifx\nonarrowing\relax
3849 \advance\leftskip by \lispnarrowing
3850 \advance\rightskip by \lispnarrowing
3851 \exdentamount = \lispnarrowing
3852 \let\nonarrowing = \relax
3856 \message{defuns,}
3857 % Define formatter for defuns
3858 % First, allow user to change definition object font (\df) internally
3859 \def\setdeffont #1 {\csname DEF#1\endcsname}
3861 \newskip\defbodyindent \defbodyindent=.4in
3862 \newskip\defargsindent \defargsindent=50pt
3863 \newskip\deftypemargin \deftypemargin=12pt
3864 \newskip\deflastargmargin \deflastargmargin=18pt
3866 \newcount\parencount
3867 % define \functionparens, which makes ( and ) and & do special things.
3868 % \functionparens affects the group it is contained in.
3869 \def\activeparens{%
3870 \catcode`\(=\active \catcode`\)=\active \catcode`\&=\active
3871 \catcode`\[=\active \catcode`\]=\active}
3873 % Make control sequences which act like normal parenthesis chars.
3874 \let\lparen = ( \let\rparen = )
3876 {\activeparens % Now, smart parens don't turn on until &foo (see \amprm)
3878 % Be sure that we always have a definition for `(', etc. For example,
3879 % if the fn name has parens in it, \boldbrax will not be in effect yet,
3880 % so TeX would otherwise complain about undefined control sequence.
3881 \global\let(=\lparen \global\let)=\rparen
3882 \global\let[=\lbrack \global\let]=\rbrack
3884 \gdef\functionparens{\boldbrax\let&=\amprm\parencount=0 }
3885 \gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb}
3886 % This is used to turn on special parens
3887 % but make & act ordinary (given that it's active).
3888 \gdef\boldbraxnoamp{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb\let&=\ampnr}
3890 % Definitions of (, ) and & used in args for functions.
3891 % This is the definition of ( outside of all parentheses.
3892 \gdef\oprm#1 {{\rm\char`\(}#1 \bf \let(=\opnested
3893 \global\advance\parencount by 1
3896 % This is the definition of ( when already inside a level of parens.
3897 \gdef\opnested{\char`\(\global\advance\parencount by 1 }
3899 \gdef\clrm{% Print a paren in roman if it is taking us back to depth of 0.
3900 % also in that case restore the outer-level definition of (.
3901 \ifnum \parencount=1 {\rm \char `\)}\sl \let(=\oprm \else \char `\) \fi
3902 \global\advance \parencount by -1 }
3903 % If we encounter &foo, then turn on ()-hacking afterwards
3904 \gdef\amprm#1 {{\rm\&#1}\let(=\oprm \let)=\clrm\ }
3906 \gdef\normalparens{\boldbrax\let&=\ampnr}
3907 } % End of definition inside \activeparens
3908 %% These parens (in \boldbrax) actually are a little bolder than the
3909 %% contained text. This is especially needed for [ and ]
3910 \def\opnr{{\sf\char`\(}\global\advance\parencount by 1 }
3911 \def\clnr{{\sf\char`\)}\global\advance\parencount by -1 }
3912 \def\ampnr{\&}
3913 \def\lbrb{{\bf\char`\[}}
3914 \def\rbrb{{\bf\char`\]}}
3916 % First, defname, which formats the header line itself.
3917 % #1 should be the function name.
3918 % #2 should be the type of definition, such as "Function".
3920 \def\defname #1#2{%
3921 % Get the values of \leftskip and \rightskip as they were
3922 % outside the @def...
3923 \dimen2=\leftskip
3924 \advance\dimen2 by -\defbodyindent
3925 \dimen3=\rightskip
3926 \advance\dimen3 by -\defbodyindent
3927 \noindent %
3928 \setbox0=\hbox{\hskip \deflastargmargin{\rm #2}\hskip \deftypemargin}%
3929 \dimen0=\hsize \advance \dimen0 by -\wd0 % compute size for first line
3930 \dimen1=\hsize \advance \dimen1 by -\defargsindent %size for continuations
3931 \parshape 2 0in \dimen0 \defargsindent \dimen1 %
3932 % Now output arg 2 ("Function" or some such)
3933 % ending at \deftypemargin from the right margin,
3934 % but stuck inside a box of width 0 so it does not interfere with linebreaking
3935 {% Adjust \hsize to exclude the ambient margins,
3936 % so that \rightline will obey them.
3937 \advance \hsize by -\dimen2 \advance \hsize by -\dimen3
3938 \rlap{\rightline{{\rm #2}\hskip \deftypemargin}}}%
3939 % Make all lines underfull and no complaints:
3940 \tolerance=10000 \hbadness=10000
3941 \advance\leftskip by -\defbodyindent
3942 \exdentamount=\defbodyindent
3943 {\df #1}\enskip % Generate function name
3946 % Actually process the body of a definition
3947 % #1 should be the terminating control sequence, such as \Edefun.
3948 % #2 should be the "another name" control sequence, such as \defunx.
3949 % #3 should be the control sequence that actually processes the header,
3950 % such as \defunheader.
3952 \def\defparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
3953 \medbreak %
3954 % Define the end token that this defining construct specifies
3955 % so that it will exit this group.
3956 \def#1{\endgraf\endgroup\medbreak}%
3957 \def#2{\begingroup\obeylines\activeparens\spacesplit#3}%
3958 \parindent=0in
3959 \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
3960 \exdentamount=\defbodyindent
3961 \begingroup %
3962 \catcode 61=\active % 61 is `='
3963 \obeylines\activeparens\spacesplit#3}
3965 % #1 is the \E... control sequence to end the definition (which we define).
3966 % #2 is the \...x control sequence for consecutive fns (which we define).
3967 % #3 is the control sequence to call to resume processing.
3968 % #4, delimited by the space, is the class name.
3970 \def\defmethparsebody#1#2#3#4 {\begingroup\inENV %
3971 \medbreak %
3972 % Define the end token that this defining construct specifies
3973 % so that it will exit this group.
3974 \def#1{\endgraf\endgroup\medbreak}%
3975 \def#2##1 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}}}%
3976 \parindent=0in
3977 \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
3978 \exdentamount=\defbodyindent
3979 \begingroup\obeylines\activeparens\spacesplit{#3{#4}}}
3981 % @deftypemethod has an extra argument that nothing else does. Sigh.
3982 % #1 is the \E... control sequence to end the definition (which we define).
3983 % #2 is the \...x control sequence for consecutive fns (which we define).
3984 % #3 is the control sequence to call to resume processing.
3985 % #4, delimited by the space, is the class name.
3986 % #5 is the method's return type.
3988 \def\deftypemethparsebody#1#2#3#4 #5 {\begingroup\inENV %
3989 \medbreak %
3990 % Define the end token that this defining construct specifies
3991 % so that it will exit this group.
3992 \def#1{\endgraf\endgroup\medbreak}%
3993 \def#2##1 ##2 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}{##2}}}%
3994 \parindent=0in
3995 \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
3996 \exdentamount=\defbodyindent
3997 \begingroup\obeylines\activeparens\spacesplit{#3{#4}{#5}}}
3999 \def\defopparsebody #1#2#3#4#5 {\begingroup\inENV %
4000 \medbreak %
4001 % Define the end token that this defining construct specifies
4002 % so that it will exit this group.
4003 \def#1{\endgraf\endgroup\medbreak}%
4004 \def#2##1 ##2 {\def#4{##1}%
4005 \begingroup\obeylines\activeparens\spacesplit{#3{##2}}}%
4006 \parindent=0in
4007 \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
4008 \exdentamount=\defbodyindent
4009 \begingroup\obeylines\activeparens\spacesplit{#3{#5}}}
4011 % These parsing functions are similar to the preceding ones
4012 % except that they do not make parens into active characters.
4013 % These are used for "variables" since they have no arguments.
4015 \def\defvarparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
4016 \medbreak %
4017 % Define the end token that this defining construct specifies
4018 % so that it will exit this group.
4019 \def#1{\endgraf\endgroup\medbreak}%
4020 \def#2{\begingroup\obeylines\spacesplit#3}%
4021 \parindent=0in
4022 \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
4023 \exdentamount=\defbodyindent
4024 \begingroup %
4025 \catcode 61=\active %
4026 \obeylines\spacesplit#3}
4028 % This is used for \def{tp,vr}parsebody. It could probably be used for
4029 % some of the others, too, with some judicious conditionals.
4031 \def\parsebodycommon#1#2#3{%
4032 \begingroup\inENV %
4033 \medbreak %
4034 % Define the end token that this defining construct specifies
4035 % so that it will exit this group.
4036 \def#1{\endgraf\endgroup\medbreak}%
4037 \def#2##1 {\begingroup\obeylines\spacesplit{#3{##1}}}%
4038 \parindent=0in
4039 \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
4040 \exdentamount=\defbodyindent
4041 \begingroup\obeylines
4044 \def\defvrparsebody#1#2#3#4 {%
4045 \parsebodycommon{#1}{#2}{#3}%
4046 \spacesplit{#3{#4}}%
4049 % This loses on `@deftp {Data Type} {struct termios}' -- it thinks the
4050 % type is just `struct', because we lose the braces in `{struct
4051 % termios}' when \spacesplit reads its undelimited argument. Sigh.
4052 % \let\deftpparsebody=\defvrparsebody
4054 % So, to get around this, we put \empty in with the type name. That
4055 % way, TeX won't find exactly `{...}' as an undelimited argument, and
4056 % won't strip off the braces.
4058 \def\deftpparsebody #1#2#3#4 {%
4059 \parsebodycommon{#1}{#2}{#3}%
4060 \spacesplit{\parsetpheaderline{#3{#4}}}\empty
4063 % Fine, but then we have to eventually remove the \empty *and* the
4064 % braces (if any). That's what this does.
4066 \def\removeemptybraces\empty#1\relax{#1}
4068 % After \spacesplit has done its work, this is called -- #1 is the final
4069 % thing to call, #2 the type name (which starts with \empty), and #3
4070 % (which might be empty) the arguments.
4072 \def\parsetpheaderline#1#2#3{%
4073 #1{\removeemptybraces#2\relax}{#3}%
4076 \def\defopvarparsebody #1#2#3#4#5 {\begingroup\inENV %
4077 \medbreak %
4078 % Define the end token that this defining construct specifies
4079 % so that it will exit this group.
4080 \def#1{\endgraf\endgroup\medbreak}%
4081 \def#2##1 ##2 {\def#4{##1}%
4082 \begingroup\obeylines\spacesplit{#3{##2}}}%
4083 \parindent=0in
4084 \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
4085 \exdentamount=\defbodyindent
4086 \begingroup\obeylines\spacesplit{#3{#5}}}
4088 % Split up #2 at the first space token.
4089 % call #1 with two arguments:
4090 % the first is all of #2 before the space token,
4091 % the second is all of #2 after that space token.
4092 % If #2 contains no space token, all of it is passed as the first arg
4093 % and the second is passed as empty.
4095 {\obeylines
4096 \gdef\spacesplit#1#2^^M{\endgroup\spacesplitfoo{#1}#2 \relax\spacesplitfoo}%
4097 \long\gdef\spacesplitfoo#1#2 #3#4\spacesplitfoo{%
4098 \ifx\relax #3%
4099 #1{#2}{}\else #1{#2}{#3#4}\fi}}
4101 % So much for the things common to all kinds of definitions.
4103 % Define @defun.
4105 % First, define the processing that is wanted for arguments of \defun
4106 % Use this to expand the args and terminate the paragraph they make up
4108 \def\defunargs #1{\functionparens \sl
4109 % Expand, preventing hyphenation at `-' chars.
4110 % Note that groups don't affect changes in \hyphenchar.
4111 \hyphenchar\tensl=0
4113 \hyphenchar\tensl=45
4114 \ifnum\parencount=0 \else \errmessage{Unbalanced parentheses in @def}\fi%
4115 \interlinepenalty=10000
4116 \advance\rightskip by 0pt plus 1fil
4117 \endgraf\penalty 10000\vskip -\parskip\penalty 10000%
4120 \def\deftypefunargs #1{%
4121 % Expand, preventing hyphenation at `-' chars.
4122 % Note that groups don't affect changes in \hyphenchar.
4123 % Use \boldbraxnoamp, not \functionparens, so that & is not special.
4124 \boldbraxnoamp
4125 \tclose{#1}% avoid \code because of side effects on active chars
4126 \interlinepenalty=10000
4127 \advance\rightskip by 0pt plus 1fil
4128 \endgraf\penalty 10000\vskip -\parskip\penalty 10000%
4131 % Do complete processing of one @defun or @defunx line already parsed.
4133 % @deffn Command forward-char nchars
4135 \def\deffn{\defmethparsebody\Edeffn\deffnx\deffnheader}
4137 \def\deffnheader #1#2#3{\doind {fn}{\code{#2}}%
4138 \begingroup\defname {#2}{#1}\defunargs{#3}\endgroup %
4139 \catcode 61=\other % Turn off change made in \defparsebody
4142 % @defun == @deffn Function
4144 \def\defun{\defparsebody\Edefun\defunx\defunheader}
4146 \def\defunheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
4147 \begingroup\defname {#1}{Function}%
4148 \defunargs {#2}\endgroup %
4149 \catcode 61=\other % Turn off change made in \defparsebody
4152 % @deftypefun int foobar (int @var{foo}, float @var{bar})
4154 \def\deftypefun{\defparsebody\Edeftypefun\deftypefunx\deftypefunheader}
4156 % #1 is the data type. #2 is the name and args.
4157 \def\deftypefunheader #1#2{\deftypefunheaderx{#1}#2 \relax}
4158 % #1 is the data type, #2 the name, #3 the args.
4159 \def\deftypefunheaderx #1#2 #3\relax{%
4160 \doind {fn}{\code{#2}}% Make entry in function index
4161 \begingroup\defname {\defheaderxcond#1\relax$$$#2}{Function}%
4162 \deftypefunargs {#3}\endgroup %
4163 \catcode 61=\other % Turn off change made in \defparsebody
4166 % @deftypefn {Library Function} int foobar (int @var{foo}, float @var{bar})
4168 \def\deftypefn{\defmethparsebody\Edeftypefn\deftypefnx\deftypefnheader}
4170 % \defheaderxcond#1\relax$$$
4171 % puts #1 in @code, followed by a space, but does nothing if #1 is null.
4172 \def\defheaderxcond#1#2$$${\ifx#1\relax\else\code{#1#2} \fi}
4174 % #1 is the classification. #2 is the data type. #3 is the name and args.
4175 \def\deftypefnheader #1#2#3{\deftypefnheaderx{#1}{#2}#3 \relax}
4176 % #1 is the classification, #2 the data type, #3 the name, #4 the args.
4177 \def\deftypefnheaderx #1#2#3 #4\relax{%
4178 \doind {fn}{\code{#3}}% Make entry in function index
4179 \begingroup
4180 \normalparens % notably, turn off `&' magic, which prevents
4181 % at least some C++ text from working
4182 \defname {\defheaderxcond#2\relax$$$#3}{#1}%
4183 \deftypefunargs {#4}\endgroup %
4184 \catcode 61=\other % Turn off change made in \defparsebody
4187 % @defmac == @deffn Macro
4189 \def\defmac{\defparsebody\Edefmac\defmacx\defmacheader}
4191 \def\defmacheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
4192 \begingroup\defname {#1}{Macro}%
4193 \defunargs {#2}\endgroup %
4194 \catcode 61=\other % Turn off change made in \defparsebody
4197 % @defspec == @deffn Special Form
4199 \def\defspec{\defparsebody\Edefspec\defspecx\defspecheader}
4201 \def\defspecheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
4202 \begingroup\defname {#1}{Special Form}%
4203 \defunargs {#2}\endgroup %
4204 \catcode 61=\other % Turn off change made in \defparsebody
4207 % This definition is run if you use @defunx
4208 % anywhere other than immediately after a @defun or @defunx.
4210 \def\deffnx #1 {\errmessage{@deffnx in invalid context}}
4211 \def\defunx #1 {\errmessage{@defunx in invalid context}}
4212 \def\defmacx #1 {\errmessage{@defmacx in invalid context}}
4213 \def\defspecx #1 {\errmessage{@defspecx in invalid context}}
4214 \def\deftypefnx #1 {\errmessage{@deftypefnx in invalid context}}
4215 \def\deftypemethodx #1 {\errmessage{@deftypemethodx in invalid context}}
4216 \def\deftypefunx #1 {\errmessage{@deftypeunx in invalid context}}
4218 % @defmethod, and so on
4220 % @defop CATEGORY CLASS OPERATION ARG...
4222 \def\defop #1 {\def\defoptype{#1}%
4223 \defopparsebody\Edefop\defopx\defopheader\defoptype}
4225 \def\defopheader #1#2#3{%
4226 \dosubind {fn}{\code{#2}}{\putwordon\ #1}% Make entry in function index
4227 \begingroup\defname {#2}{\defoptype{} on #1}%
4228 \defunargs {#3}\endgroup %
4231 % @deftypemethod CLASS RETURN-TYPE METHOD ARG...
4233 \def\deftypemethod{%
4234 \deftypemethparsebody\Edeftypemethod\deftypemethodx\deftypemethodheader}
4236 % #1 is the class name, #2 the data type, #3 the method name, #4 the args.
4237 \def\deftypemethodheader#1#2#3#4{%
4238 \dosubind{fn}{\code{#3}}{\putwordon\ \code{#1}}% entry in function index
4239 \begingroup
4240 \defname{\defheaderxcond#2\relax$$$#3}{\putwordMethodon\ \code{#1}}%
4241 \deftypefunargs{#4}%
4242 \endgroup
4245 % @defmethod == @defop Method
4247 \def\defmethod{\defmethparsebody\Edefmethod\defmethodx\defmethodheader}
4249 % #1 is the class name, #2 the method name, #3 the args.
4250 \def\defmethodheader#1#2#3{%
4251 \dosubind{fn}{\code{#2}}{\putwordon\ \code{#1}}% entry in function index
4252 \begingroup
4253 \defname{#2}{\putwordMethodon\ \code{#1}}%
4254 \defunargs{#3}%
4255 \endgroup
4258 % @defcv {Class Option} foo-class foo-flag
4260 \def\defcv #1 {\def\defcvtype{#1}%
4261 \defopvarparsebody\Edefcv\defcvx\defcvarheader\defcvtype}
4263 \def\defcvarheader #1#2#3{%
4264 \dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
4265 \begingroup\defname {#2}{\defcvtype{} of #1}%
4266 \defvarargs {#3}\endgroup %
4269 % @defivar == @defcv {Instance Variable}
4271 \def\defivar{\defvrparsebody\Edefivar\defivarx\defivarheader}
4273 \def\defivarheader #1#2#3{%
4274 \dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
4275 \begingroup\defname {#2}{Instance Variable of #1}%
4276 \defvarargs {#3}\endgroup %
4279 % These definitions are run if you use @defmethodx, etc.,
4280 % anywhere other than immediately after a @defmethod, etc.
4282 \def\defopx #1 {\errmessage{@defopx in invalid context}}
4283 \def\defmethodx #1 {\errmessage{@defmethodx in invalid context}}
4284 \def\defcvx #1 {\errmessage{@defcvx in invalid context}}
4285 \def\defivarx #1 {\errmessage{@defivarx in invalid context}}
4287 % Now @defvar
4289 % First, define the processing that is wanted for arguments of @defvar.
4290 % This is actually simple: just print them in roman.
4291 % This must expand the args and terminate the paragraph they make up
4292 \def\defvarargs #1{\normalparens #1%
4293 \interlinepenalty=10000
4294 \endgraf\penalty 10000\vskip -\parskip\penalty 10000}
4296 % @defvr Counter foo-count
4298 \def\defvr{\defvrparsebody\Edefvr\defvrx\defvrheader}
4300 \def\defvrheader #1#2#3{\doind {vr}{\code{#2}}%
4301 \begingroup\defname {#2}{#1}\defvarargs{#3}\endgroup}
4303 % @defvar == @defvr Variable
4305 \def\defvar{\defvarparsebody\Edefvar\defvarx\defvarheader}
4307 \def\defvarheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
4308 \begingroup\defname {#1}{Variable}%
4309 \defvarargs {#2}\endgroup %
4312 % @defopt == @defvr {User Option}
4314 \def\defopt{\defvarparsebody\Edefopt\defoptx\defoptheader}
4316 \def\defoptheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
4317 \begingroup\defname {#1}{User Option}%
4318 \defvarargs {#2}\endgroup %
4321 % @deftypevar int foobar
4323 \def\deftypevar{\defvarparsebody\Edeftypevar\deftypevarx\deftypevarheader}
4325 % #1 is the data type. #2 is the name, perhaps followed by text that
4326 % is actually part of the data type, which should not be put into the index.
4327 \def\deftypevarheader #1#2{%
4328 \dovarind#2 \relax% Make entry in variables index
4329 \begingroup\defname {\defheaderxcond#1\relax$$$#2}{Variable}%
4330 \interlinepenalty=10000
4331 \endgraf\penalty 10000\vskip -\parskip\penalty 10000
4332 \endgroup}
4333 \def\dovarind#1 #2\relax{\doind{vr}{\code{#1}}}
4335 % @deftypevr {Global Flag} int enable
4337 \def\deftypevr{\defvrparsebody\Edeftypevr\deftypevrx\deftypevrheader}
4339 \def\deftypevrheader #1#2#3{\dovarind#3 \relax%
4340 \begingroup\defname {\defheaderxcond#2\relax$$$#3}{#1}
4341 \interlinepenalty=10000
4342 \endgraf\penalty 10000\vskip -\parskip\penalty 10000
4343 \endgroup}
4345 % This definition is run if you use @defvarx
4346 % anywhere other than immediately after a @defvar or @defvarx.
4348 \def\defvrx #1 {\errmessage{@defvrx in invalid context}}
4349 \def\defvarx #1 {\errmessage{@defvarx in invalid context}}
4350 \def\defoptx #1 {\errmessage{@defoptx in invalid context}}
4351 \def\deftypevarx #1 {\errmessage{@deftypevarx in invalid context}}
4352 \def\deftypevrx #1 {\errmessage{@deftypevrx in invalid context}}
4354 % Now define @deftp
4355 % Args are printed in bold, a slight difference from @defvar.
4357 \def\deftpargs #1{\bf \defvarargs{#1}}
4359 % @deftp Class window height width ...
4361 \def\deftp{\deftpparsebody\Edeftp\deftpx\deftpheader}
4363 \def\deftpheader #1#2#3{\doind {tp}{\code{#2}}%
4364 \begingroup\defname {#2}{#1}\deftpargs{#3}\endgroup}
4366 % This definition is run if you use @deftpx, etc
4367 % anywhere other than immediately after a @deftp, etc.
4369 \def\deftpx #1 {\errmessage{@deftpx in invalid context}}
4372 \message{macros,}
4373 % @macro.
4375 % To do this right we need a feature of e-TeX, \scantokens,
4376 % which we arrange to emulate with a temporary file in ordinary TeX.
4377 \ifx\eTeXversion\undefined
4378 \newwrite\macscribble
4379 \def\scantokens#1{%
4380 % \toks0={#1}%
4381 \immediate\openout\macscribble=\jobname.tmp
4382 \immediate\write\macscribble{#1}%\the\toks0}%
4383 \immediate\closeout\macscribble
4384 \input \jobname.tmp
4388 \newcount\paramno % Count of parameters
4389 \newtoks\macname % Macro name
4390 \newif\ifrecursive % Is it recursive?
4392 % Utility: does \let #1 = #2, except with \csnames.
4393 \def\cslet#1#2{%
4394 \expandafter\expandafter
4395 \expandafter\let
4396 \expandafter\expandafter
4397 \csname#1\endcsname
4398 \csname#2\endcsname}
4400 % Macro bodies are absorbed as an argument in a context where
4401 % all characters are catcode 10, 11 or 12, except \ which is active
4402 % (as in normal texinfo). It is necessary to change the definition of \.
4404 \def\macrobodyctxt{%
4405 \catcode`\~=12
4406 \catcode`\^=12
4407 \catcode`\_=12
4408 \catcode`\|=12
4409 \catcode`\<=12
4410 \catcode`\>=12
4411 \catcode`\+=12
4412 \catcode`\{=12
4413 \catcode`\}=12
4414 \catcode`\@=12
4415 \catcode`\^^M=10
4416 \usembodybackslash}
4418 % \mbodybackslash is the definition of \ in @macro bodies.
4419 % It maps \foo\ => \csname macarg.foo\endcsname => #N
4420 % where N is the macro parameter number.
4421 % We define \csname macarg.\endcsname to be \realbackslash, so
4422 % \\ in macro replacement text gets you a backslash.
4424 {\catcode`@=0 \catcode`\\=\active
4425 @gdef@usembodybackslash{@let\=@mbodybackslash}
4426 @gdef@mbodybackslash#1\{@csname macarg.#1@endcsname}
4428 \expandafter\def\csname macarg.\endcsname{\realbackslash}
4430 % The catcode games are necessary because @macro may or may not
4431 % have a brace-surrounded list of arguments, and we need to do
4432 % different stuff in each case. Making {, } \other is the only
4433 % way to prevent their being deleted by the tokenizer.
4434 \def\macro{\recursivefalse
4435 \bgroup\catcode`\{=\other\catcode`\}=\other\parsearg\macroxxx}
4436 \def\rmacro{\recursivetrue
4437 \bgroup\catcode`\{=\other\catcode`\}=\other\parsearg\macroxxx}
4439 \def\macroxxx#1{\egroup % started in \macro
4440 \getargs{#1}% now \macname is the macname and \toks0 the arglist
4441 \edef\temp{\the\toks0}%
4442 \ifx\temp\empty % no arguments
4443 \paramno=0%
4444 \else
4445 \expandafter\parsemargdef \the\toks0;%
4447 \expandafter\ifx \csname macsave.\the\macname\endcsname \relax
4448 \cslet{macsave.\the\macname}{\the\macname}%
4449 \else
4450 \message{Warning: redefining \the\macname}%
4452 \begingroup \macrobodyctxt
4453 \ifrecursive \expandafter\parsermacbody
4454 \else \expandafter\parsemacbody
4455 \fi}
4457 \def\unmacro{\parsearg\unmacroxxx}
4458 \def\unmacroxxx#1{
4459 \expandafter\ifx \csname macsave.\the\macname\endcsname \relax
4460 \errmessage{Macro \the\macname\ not defined.}%
4461 \else
4462 \cslet{#1}{macsave.#1}%
4463 \expandafter\let \csname macsave.\the\macname\endcsname \undefined
4467 % Parse the optional {params} list. Set up \paramno and \paramlist
4468 % so \defmacro knows what to do. Define \macarg.blah for each blah
4469 % in the params list, to be ##N where N is the position in that list.
4470 % That gets used by \mbodybackslash (above).
4472 % This code has to take great care with `macro parameter char #'. The
4473 % eight hashes in a row on the macarg.#1 line collapse to four in the
4474 % definition of \macarg.blah, to two when \parsemacbody expands the
4475 % macro replacement text, and to one when \defmacro writes the macro
4476 % definiton. The games with \twohash are to postpone expansion till
4477 % the very end, when \parsemargdefyyy crunches \paramlist into
4478 % something that can be splatted into a \expandafter\def\blah line (in
4479 % \defmacro).
4480 \def\parsemargdef#1;{\paramno=0\def\paramlist{}\parsemargdefxxx#1,;,}
4481 \def\parsemargdefxxx#1,{%
4482 \let\twohash\relax
4483 \if#1;\let\next=\parsemargdefyyy
4484 \else \let\next=\parsemargdefxxx
4485 \advance\paramno by 1%
4486 \expandafter\edef\csname macarg.#1\endcsname{########\the\paramno}%
4487 \edef\paramlist{\paramlist\twohash\twohash\the\paramno,}%
4488 \fi\next}
4489 \def\parsemargdefyyy{\let\twohash##\relax \edef\paramlist{\paramlist}}
4491 % These two commands read recursive and nonrecursive macro bodies.
4492 % (They're different since rec and nonrec macros end differently.)
4494 \long\def\parsemacbody#1@end macro%
4495 {\xdef\temp{#1} \endgroup\defmacro}%
4496 \long\def\parsermacbody#1@end macro%
4497 {\xdef\temp{#1} \endgroup\defmacro}%
4500 % This defines the macro itself. There are six cases: recursive and
4501 % nonrecursive macros of zero, one, and many arguments.
4502 % Much magic with \expandafter here.
4503 \def\defmacro{%
4504 \ifrecursive
4505 \ifcase\paramno
4507 \expandafter\edef\csname\the\macname\endcsname{%
4508 \noexpand\scantokens{\temp}}%
4509 \or % 1
4510 \expandafter\edef\csname\the\macname\endcsname{%
4511 \noexpand\braceorline\csname\the\macname xxx\endcsname}%
4512 \expandafter\edef\csname\the\macname xxx\endcsname##1{%
4513 \noexpand\scantokens{\temp}}%
4514 \else % many
4515 \expandafter\edef\csname\the\macname\endcsname##1{%
4516 \csname\the\macname xxx\endcsname ##1,}%
4517 \expandafter\expandafter
4518 \expandafter\edef
4519 \expandafter\expandafter
4520 \csname\the\macname xxx\endcsname
4521 \paramlist{\noexpand\scantokens{\temp}}%
4523 \else
4524 \ifcase\paramno
4526 \expandafter\edef\csname\the\macname\endcsname{%
4527 \noexpand\norecurse{\the\macname}%
4528 \noexpand\scantokens{\temp}\egroup}%
4529 \or % 1
4530 \expandafter\edef\csname\the\macname\endcsname{%
4531 \noexpand\braceorline\csname\the\macname xxx\endcsname}%
4532 \expandafter\edef\csname\the\macname xxx\endcsname##1{%
4533 \noexpand\norecurse{\the\macname}
4534 \noexpand\scantokens{\temp}\egroup}%
4535 \else % many
4536 \expandafter\edef\csname\the\macname\endcsname##1{%
4537 \csname\the\macname xxx\endcsname ##1,}%
4538 \expandafter\expandafter
4539 \expandafter\edef
4540 \expandafter\expandafter
4541 \csname\the\macname xxx\endcsname
4542 \paramlist{%
4543 \noexpand\norecurse{\the\macname}
4544 \noexpand\scantokens{\temp}\egroup}%
4546 \fi}
4548 \def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}}
4550 % \braceorline decides whether the next nonwhitespace character is a
4551 % {. If so it reads up to the closing }, if not, it reads the whole
4552 % line. Whatever was read is then fed to the next control sequence
4553 % as an argument (by \parsebrace or \parsearg)
4554 \def\braceorline#1{\let\next=#1\futurelet\nchar\braceorlinexxx}
4555 \def\braceorlinexxx{%
4556 \ifx\nchar\bgroup\else
4557 \expandafter\parsearg
4558 \fi \next}
4560 % We need {} to be \other inside these commands. [] are temporary
4561 % grouping symbols.
4562 \begingroup
4563 \catcode`\{=\other \catcode`\}=\other
4564 \catcode`\[=1 \catcode`\]=2
4566 % @macro can be called with or without a brace-surrounded macro
4567 % argument list. These three sequences extract the macro name and arg
4568 % list in hopefully all cases. Note that anything on the line after the
4569 % first pair of braces will be thrown out (Makeinfo puts it into the
4570 % macro body).
4571 \gdef\getargs#1[\getargsxxx|#1 {}|]
4572 \gdef\getargsxxx|#1 {#2}#3|[%
4573 \toks0=[#2]%
4574 \edef\tmp[\the\toks0]%
4575 \ifx\tmp\empty
4576 \getargsnospaces|#1{}|%
4577 \else
4578 \macname=[#1]%
4579 \fi]
4580 \gdef\getargsnospaces|#1{#2}#3|[\macname=[#1]\toks0=[#2]]
4582 \endgroup
4585 \message{cross references,}
4586 \newwrite\auxfile
4588 \newif\ifhavexrefs % True if xref values are known.
4589 \newif\ifwarnedxrefs % True if we warned once that they aren't known.
4591 % @inforef is relatively simple.
4592 \def\inforef #1{\inforefzzz #1,,,,**}
4593 \def\inforefzzz #1,#2,#3,#4**{\putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}},
4594 node \samp{\ignorespaces#1{}}}
4596 % @setref{foo} defines a cross-reference point named foo.
4598 \def\setref#1{%
4599 \dosetq{#1-title}{Ytitle}%
4600 \dosetq{#1-pg}{Ypagenumber}%
4601 \dosetq{#1-snt}{Ysectionnumberandtype}}
4603 \def\unnumbsetref#1{%
4604 \dosetq{#1-title}{Ytitle}%
4605 \dosetq{#1-pg}{Ypagenumber}%
4606 \dosetq{#1-snt}{Ynothing}}
4608 \def\appendixsetref#1{%
4609 \dosetq{#1-title}{Ytitle}%
4610 \dosetq{#1-pg}{Ypagenumber}%
4611 \dosetq{#1-snt}{Yappendixletterandtype}}
4613 % \xref, \pxref, and \ref generate cross-references to specified points.
4614 % For \xrefX, #1 is the node name, #2 the name of the Info
4615 % cross-reference, #3 the printed node name, #4 the name of the Info
4616 % file, #5 the name of the printed manual. All but the node name can be
4617 % omitted.
4619 \def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]}
4620 \def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]}
4621 \def\ref#1{\xrefX[#1,,,,,,,]}
4622 \def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup
4623 \def\printedmanual{\ignorespaces #5}%
4624 \def\printednodename{\ignorespaces #3}%
4625 \setbox1=\hbox{\printedmanual}%
4626 \setbox0=\hbox{\printednodename}%
4627 \ifdim \wd0 = 0pt
4628 % No printed node name was explicitly given.
4629 \expandafter\ifx\csname SETxref-automatic-section-title\endcsname\relax
4630 % Use the node name inside the square brackets.
4631 \def\printednodename{\ignorespaces #1}%
4632 \else
4633 % Use the actual chapter/section title appear inside
4634 % the square brackets. Use the real section title if we have it.
4635 \ifdim \wd1>0pt%
4636 % It is in another manual, so we don't have it.
4637 \def\printednodename{\ignorespaces #1}%
4638 \else
4639 \ifhavexrefs
4640 % We know the real title if we have the xref values.
4641 \def\printednodename{\refx{#1-title}{}}%
4642 \else
4643 % Otherwise just copy the Info node name.
4644 \def\printednodename{\ignorespaces #1}%
4645 \fi%
4650 % If we use \unhbox0 and \unhbox1 to print the node names, TeX does not
4651 % insert empty discretionaries after hyphens, which means that it will
4652 % not find a line break at a hyphen in a node names. Since some manuals
4653 % are best written with fairly long node names, containing hyphens, this
4654 % is a loss. Therefore, we give the text of the node name again, so it
4655 % is as if TeX is seeing it for the first time.
4656 \ifdim \wd1 > 0pt
4657 \putwordsection{} ``\printednodename'' in \cite{\printedmanual}%
4658 \else
4659 % _ (for example) has to be the character _ for the purposes of the
4660 % control sequence corresponding to the node, but it has to expand
4661 % into the usual \leavevmode...\vrule stuff for purposes of
4662 % printing. So we \turnoffactive for the \refx-snt, back on for the
4663 % printing, back off for the \refx-pg.
4664 {\normalturnoffactive \refx{#1-snt}{}}%
4665 \space [\printednodename],\space
4666 \turnoffactive \putwordpage\tie\refx{#1-pg}{}%
4668 \endgroup}
4670 % \dosetq is the interface for calls from other macros
4672 % Use \normalturnoffactive so that punctuation chars such as underscore
4673 % and backslash work in node names. (\turnoffactive doesn't do \.)
4674 \def\dosetq#1#2{%
4675 {\let\folio=0
4676 \normalturnoffactive
4677 \edef\next{\write\auxfile{\internalsetq{#1}{#2}}}%
4678 \iflinks
4679 \next
4684 % \internalsetq {foo}{page} expands into
4685 % CHARACTERS 'xrdef {foo}{...expansion of \Ypage...}
4686 % When the aux file is read, ' is the escape character
4688 \def\internalsetq #1#2{'xrdef {#1}{\csname #2\endcsname}}
4690 % Things to be expanded by \internalsetq
4692 \def\Ypagenumber{\folio}
4694 \def\Ytitle{\thissection}
4696 \def\Ynothing{}
4698 \def\Ysectionnumberandtype{%
4699 \ifnum\secno=0 \putwordChapter\xreftie\the\chapno %
4700 \else \ifnum \subsecno=0 \putwordSection\xreftie\the\chapno.\the\secno %
4701 \else \ifnum \subsubsecno=0 %
4702 \putwordSection\xreftie\the\chapno.\the\secno.\the\subsecno %
4703 \else %
4704 \putwordSection\xreftie\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno %
4705 \fi \fi \fi }
4707 \def\Yappendixletterandtype{%
4708 \ifnum\secno=0 \putwordAppendix\xreftie'char\the\appendixno{}%
4709 \else \ifnum \subsecno=0 \putwordSection\xreftie'char\the\appendixno.\the\secno %
4710 \else \ifnum \subsubsecno=0 %
4711 \putwordSection\xreftie'char\the\appendixno.\the\secno.\the\subsecno %
4712 \else %
4713 \putwordSection\xreftie'char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno %
4714 \fi \fi \fi }
4716 \gdef\xreftie{'tie}
4718 % Use TeX 3.0's \inputlineno to get the line number, for better error
4719 % messages, but if we're using an old version of TeX, don't do anything.
4721 \ifx\inputlineno\thisisundefined
4722 \let\linenumber = \empty % Non-3.0.
4723 \else
4724 \def\linenumber{\the\inputlineno:\space}
4727 % Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME.
4728 % If its value is nonempty, SUFFIX is output afterward.
4730 \def\refx#1#2{%
4731 \expandafter\ifx\csname X#1\endcsname\relax
4732 % If not defined, say something at least.
4733 \angleleft un\-de\-fined\angleright
4734 \iflinks
4735 \ifhavexrefs
4736 \message{\linenumber Undefined cross reference `#1'.}%
4737 \else
4738 \ifwarnedxrefs\else
4739 \global\warnedxrefstrue
4740 \message{Cross reference values unknown; you must run TeX again.}%
4744 \else
4745 % It's defined, so just use it.
4746 \csname X#1\endcsname
4748 #2% Output the suffix in any case.
4751 % This is the macro invoked by entries in the aux file.
4753 \def\xrdef#1{\begingroup
4754 % Reenable \ as an escape while reading the second argument.
4755 \catcode`\\ = 0
4756 \afterassignment\endgroup
4757 \expandafter\gdef\csname X#1\endcsname
4760 % Read the last existing aux file, if any. No error if none exists.
4761 \def\readauxfile{\begingroup
4762 \catcode`\^^@=\other
4763 \catcode`\^^A=\other
4764 \catcode`\^^B=\other
4765 \catcode`\^^C=\other
4766 \catcode`\^^D=\other
4767 \catcode`\^^E=\other
4768 \catcode`\^^F=\other
4769 \catcode`\^^G=\other
4770 \catcode`\^^H=\other
4771 \catcode`\^^K=\other
4772 \catcode`\^^L=\other
4773 \catcode`\^^N=\other
4774 \catcode`\^^P=\other
4775 \catcode`\^^Q=\other
4776 \catcode`\^^R=\other
4777 \catcode`\^^S=\other
4778 \catcode`\^^T=\other
4779 \catcode`\^^U=\other
4780 \catcode`\^^V=\other
4781 \catcode`\^^W=\other
4782 \catcode`\^^X=\other
4783 \catcode`\^^Z=\other
4784 \catcode`\^^[=\other
4785 \catcode`\^^\=\other
4786 \catcode`\^^]=\other
4787 \catcode`\^^^=\other
4788 \catcode`\^^_=\other
4789 \catcode`\@=\other
4790 \catcode`\^=\other
4791 % It was suggested to define this as 7, which would allow ^^e4 etc.
4792 % in xref tags, i.e., node names. But since ^^e4 notation isn't
4793 % supported in the main text, it doesn't seem desirable. Furthermore,
4794 % that is not enough: for node names that actually contain a ^
4795 % character, we would end up writing a line like this: 'xrdef {'hat
4796 % b-title}{'hat b} and \xrdef does a \csname...\endcsname on the first
4797 % argument, and \hat is not an expandable control sequence. It could
4798 % all be worked out, but why? Either we support ^^ or we don't.
4800 % The other change necessary for this was to define \auxhat:
4801 % \def\auxhat{\def^{'hat }}% extra space so ok if followed by letter
4802 % and then to call \auxhat in \setq.
4804 \catcode`\~=\other
4805 \catcode`\[=\other
4806 \catcode`\]=\other
4807 \catcode`\"=\other
4808 \catcode`\_=\other
4809 \catcode`\|=\other
4810 \catcode`\<=\other
4811 \catcode`\>=\other
4812 \catcode`\$=\other
4813 \catcode`\#=\other
4814 \catcode`\&=\other
4815 \catcode`+=\other % avoid \+ for paranoia even though we've turned it off
4816 % Make the characters 128-255 be printing characters
4818 \count 1=128
4819 \def\loop{%
4820 \catcode\count 1=\other
4821 \advance\count 1 by 1
4822 \ifnum \count 1<256 \loop \fi
4825 % The aux file uses ' as the escape (for now).
4826 % Turn off \ as an escape so we do not lose on
4827 % entries which were dumped with control sequences in their names.
4828 % For example, 'xrdef {$\leq $-fun}{page ...} made by @defun ^^
4829 % Reference to such entries still does not work the way one would wish,
4830 % but at least they do not bomb out when the aux file is read in.
4831 \catcode`\{=1
4832 \catcode`\}=2
4833 \catcode`\%=\other
4834 \catcode`\'=0
4835 \catcode`\\=\other
4837 \openin 1 \jobname.aux
4838 \ifeof 1 \else
4839 \closein 1
4840 \input \jobname.aux
4841 \global\havexrefstrue
4842 \global\warnedobstrue
4844 % Open the new aux file. TeX will close it automatically at exit.
4845 \openout\auxfile=\jobname.aux
4846 \endgroup}
4849 % Footnotes.
4851 \newcount \footnoteno
4853 % The trailing space in the following definition for supereject is
4854 % vital for proper filling; pages come out unaligned when you do a
4855 % pagealignmacro call if that space before the closing brace is
4856 % removed. (Generally, numeric constants should always be followed by a
4857 % space to prevent strange expansion errors.)
4858 \def\supereject{\par\penalty -20000\footnoteno =0 }
4860 % @footnotestyle is meaningful for info output only.
4861 \let\footnotestyle=\comment
4863 \let\ptexfootnote=\footnote
4865 {\catcode `\@=11
4867 % Auto-number footnotes. Otherwise like plain.
4868 \gdef\footnote{%
4869 \global\advance\footnoteno by \@ne
4870 \edef\thisfootno{$^{\the\footnoteno}$}%
4872 % In case the footnote comes at the end of a sentence, preserve the
4873 % extra spacing after we do the footnote number.
4874 \let\@sf\empty
4875 \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\/\fi
4877 % Remove inadvertent blank space before typesetting the footnote number.
4878 \unskip
4879 \thisfootno\@sf
4880 \footnotezzz
4883 % Don't bother with the trickery in plain.tex to not require the
4884 % footnote text as a parameter. Our footnotes don't need to be so general.
4886 % Oh yes, they do; otherwise, @ifset and anything else that uses
4887 % \parseargline fail inside footnotes because the tokens are fixed when
4888 % the footnote is read. --karl, 16nov96.
4890 \long\gdef\footnotezzz{\insert\footins\bgroup
4891 % We want to typeset this text as a normal paragraph, even if the
4892 % footnote reference occurs in (for example) a display environment.
4893 % So reset some parameters.
4894 \interlinepenalty\interfootnotelinepenalty
4895 \splittopskip\ht\strutbox % top baseline for broken footnotes
4896 \splitmaxdepth\dp\strutbox
4897 \floatingpenalty\@MM
4898 \leftskip\z@skip
4899 \rightskip\z@skip
4900 \spaceskip\z@skip
4901 \xspaceskip\z@skip
4902 \parindent\defaultparindent
4904 % Hang the footnote text off the number.
4905 \hang
4906 \textindent{\thisfootno}%
4908 % Don't crash into the line above the footnote text. Since this
4909 % expands into a box, it must come within the paragraph, lest it
4910 % provide a place where TeX can split the footnote.
4911 \footstrut
4912 \futurelet\next\fo@t
4914 \def\fo@t{\ifcat\bgroup\noexpand\next \let\next\f@@t
4915 \else\let\next\f@t\fi \next}
4916 \def\f@@t{\bgroup\aftergroup\@foot\let\next}
4917 \def\f@t#1{#1\@foot}
4918 \def\@foot{\strut\egroup}
4920 }%end \catcode `\@=11
4922 % Set the baselineskip to #1, and the lineskip and strut size
4923 % correspondingly. There is no deep meaning behind these magic numbers
4924 % used as factors; they just match (closely enough) what Knuth defined.
4926 \def\lineskipfactor{.08333}
4927 \def\strutheightpercent{.70833}
4928 \def\strutdepthpercent {.29167}
4930 \def\setleading#1{%
4931 \normalbaselineskip = #1\relax
4932 \normallineskip = \lineskipfactor\normalbaselineskip
4933 \normalbaselines
4934 \setbox\strutbox =\hbox{%
4935 \vrule width0pt height\strutheightpercent\baselineskip
4936 depth \strutdepthpercent \baselineskip
4940 % @| inserts a changebar to the left of the current line. It should
4941 % surround any changed text. This approach does *not* work if the
4942 % change spans more than two lines of output. To handle that, we would
4943 % have adopt a much more difficult approach (putting marks into the main
4944 % vertical list for the beginning and end of each change).
4946 \def\|{%
4947 % \vadjust can only be used in horizontal mode.
4948 \leavevmode
4950 % Append this vertical mode material after the current line in the output.
4951 \vadjust{%
4952 % We want to insert a rule with the height and depth of the current
4953 % leading; that is exactly what \strutbox is supposed to record.
4954 \vskip-\baselineskip
4956 % \vadjust-items are inserted at the left edge of the type. So
4957 % the \llap here moves out into the left-hand margin.
4958 \llap{%
4960 % For a thicker or thinner bar, change the `1pt'.
4961 \vrule height\baselineskip width1pt
4963 % This is the space between the bar and the text.
4964 \hskip 12pt
4969 % For a final copy, take out the rectangles
4970 % that mark overfull boxes (in case you have decided
4971 % that the text looks ok even though it passes the margin).
4973 \def\finalout{\overfullrule=0pt}
4975 % @image. We use the macros from epsf.tex to support this.
4976 % If epsf.tex is not installed and @image is used, we complain.
4978 % Check for and read epsf.tex up front. If we read it only at @image
4979 % time, we might be inside a group, and then its definitions would get
4980 % undone and the next image would fail.
4981 \openin 1 = epsf.tex
4982 \ifeof 1 \else
4983 \closein 1
4984 % Do not bother showing banner with post-v2.7 epsf.tex (available in
4985 % doc/epsf.tex until it shows up on ctan).
4986 \def\epsfannounce{\toks0 = }%
4987 \input epsf.tex
4990 \newif\ifwarnednoepsf
4991 \newhelp\noepsfhelp{epsf.tex must be installed for images to
4992 work. It is also included in the Texinfo distribution, or you can get
4993 it from ftp://ftp.tug.org/tex/epsf.tex.}
4995 % Only complain once about lack of epsf.tex.
4996 \def\image#1{%
4997 \ifx\epsfbox\undefined
4998 \ifwarnednoepsf \else
4999 \errhelp = \noepsfhelp
5000 \errmessage{epsf.tex not found, images will be ignored}%
5001 \global\warnednoepsftrue
5003 \else
5004 \imagexxx #1,,,\finish
5008 % Arguments to @image:
5009 % #1 is (mandatory) image filename; we tack on .eps extension.
5010 % #2 is (optional) width, #3 is (optional) height.
5011 % #4 is just the usual extra ignored arg for parsing this stuff.
5012 \def\imagexxx#1,#2,#3,#4\finish{%
5013 % \epsfbox itself resets \epsf?size at each figure.
5014 \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \epsfxsize=#2\relax \fi
5015 \setbox0 = \hbox{\ignorespaces #3}\ifdim\wd0 > 0pt \epsfysize=#3\relax \fi
5016 % If the image is by itself, center it.
5017 \ifvmode
5018 \centerline{\epsfbox{#1.eps}}%
5019 \else
5020 \epsfbox{#1.eps}%
5025 \message{paper sizes,}
5026 % And other related parameters.
5028 \newdimen\defaultparindent \defaultparindent = 15pt
5030 \chapheadingskip = 15pt plus 4pt minus 2pt
5031 \secheadingskip = 12pt plus 3pt minus 2pt
5032 \subsecheadingskip = 9pt plus 2pt minus 2pt
5034 % Prevent underfull vbox error messages.
5035 \vbadness = 10000
5037 % Following George Bush, just get rid of widows and orphans.
5038 \widowpenalty=10000
5039 \clubpenalty=10000
5041 % Use TeX 3.0's \emergencystretch to help line breaking, but if we're
5042 % using an old version of TeX, don't do anything. We want the amount of
5043 % stretch added to depend on the line length, hence the dependence on
5044 % \hsize. This makes it come to about 9pt for the 8.5x11 format. We
5045 % call this whenever the paper size is set.
5047 \def\setemergencystretch{%
5048 \ifx\emergencystretch\thisisundefined
5049 % Allow us to assign to \emergencystretch anyway.
5050 \def\emergencystretch{\dimen0}%
5051 \else
5052 \emergencystretch = \hsize
5053 \divide\emergencystretch by 45
5057 % Parameters in order: 1) textheight; 2) textwidth; 3) voffset;
5058 % 4) hoffset; 5) binding offset; 6) topskip. Then whoever calls us can
5059 % set \parskip and call \setleading for \baselineskip.
5061 \def\internalpagesizes#1#2#3#4#5#6{%
5062 \voffset = #3\relax
5063 \topskip = #6\relax
5064 \splittopskip = \topskip
5066 \vsize = #1\relax
5067 \advance\vsize by \topskip
5068 \outervsize = \vsize
5069 \advance\outervsize by 2\topandbottommargin
5070 \pageheight = \vsize
5072 \hsize = #2\relax
5073 \outerhsize = \hsize
5074 \advance\outerhsize by 0.5in
5075 \pagewidth = \hsize
5077 \normaloffset = #4\relax
5078 \bindingoffset = #5\relax
5080 \parindent = \defaultparindent
5081 \setemergencystretch
5084 % @letterpaper (the default).
5085 \def\letterpaper{{\globaldefs = 1
5086 \parskip = 3pt plus 2pt minus 1pt
5087 \setleading{13.2pt}%
5089 % If page is nothing but text, make it come out even.
5090 \internalpagesizes{46\baselineskip}{6in}{\voffset}{.25in}{\bindingoffset}{36pt}%
5093 % Use @smallbook to reset parameters for 7x9.5 (or so) format.
5094 \def\smallbook{{\globaldefs = 1
5095 \parskip = 2pt plus 1pt
5096 \setleading{12pt}%
5098 \internalpagesizes{7.5in}{5.in}{\voffset}{.25in}{\bindingoffset}{16pt}%
5100 \lispnarrowing = 0.3in
5101 \tolerance = 700
5102 \hfuzz = 1pt
5103 \contentsrightmargin = 0pt
5104 \deftypemargin = 0pt
5105 \defbodyindent = .5cm
5107 \let\smalllisp = \smalllispx
5108 \let\smallexample = \smalllispx
5109 \def\Esmallexample{\Esmalllisp}%
5112 % Use @afourpaper to print on European A4 paper.
5113 \def\afourpaper{{\globaldefs = 1
5114 \setleading{12pt}%
5115 \parskip = 3pt plus 2pt minus 1pt
5117 \internalpagesizes{53\baselineskip}{6.5in}{\voffset}{.25in}{\bindingoffset}{44pt}%
5119 \tolerance = 700
5120 \hfuzz = 1pt
5123 % A specific text layout, 24x15cm overall, intended for A4 paper. Top margin
5124 % 29mm, hence bottom margin 28mm, nominal side margin 3cm.
5125 \def\afourlatex{{\globaldefs = 1
5126 \setleading{13.6pt}%
5128 \afourpaper
5129 \internalpagesizes{237mm}{150mm}{3.6mm}{3.6mm}{3mm}{7mm}%
5131 \globaldefs = 0
5134 % Use @afourwide to print on European A4 paper in wide format.
5135 \def\afourwide{%
5136 \afourpaper
5137 \internalpagesizes{9.5in}{6.5in}{\hoffset}{\normaloffset}{\bindingoffset}{7mm}%
5139 \globaldefs = 0
5142 % @pagesizes TEXTHEIGHT[,TEXTWIDTH]
5143 % Perhaps we should allow setting the margins, \topskip, \parskip,
5144 % and/or leading, also. Or perhaps we should compute them somehow.
5146 \def\pagesizes{\parsearg\pagesizesxxx}
5147 \def\pagesizesxxx#1{\pagesizesyyy #1,,\finish}
5148 \def\pagesizesyyy#1,#2,#3\finish{{%
5149 \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \hsize=#2\relax \fi
5150 \globaldefs = 1
5152 \parskip = 3pt plus 2pt minus 1pt
5153 \setleading{13.2pt}%
5155 \internalpagesizes{#1}{\hsize}{\voffset}{\normaloffset}{\bindingoffset}{44pt}%
5158 % Set default to letter.
5160 \letterpaper
5162 \message{and turning on texinfo input format.}
5164 % Define macros to output various characters with catcode for normal text.
5165 \catcode`\"=\other
5166 \catcode`\~=\other
5167 \catcode`\^=\other
5168 \catcode`\_=\other
5169 \catcode`\|=\other
5170 \catcode`\<=\other
5171 \catcode`\>=\other
5172 \catcode`\+=\other
5173 \def\normaldoublequote{"}
5174 \def\normaltilde{~}
5175 \def\normalcaret{^}
5176 \def\normalunderscore{_}
5177 \def\normalverticalbar{|}
5178 \def\normalless{<}
5179 \def\normalgreater{>}
5180 \def\normalplus{+}
5182 % This macro is used to make a character print one way in ttfont
5183 % where it can probably just be output, and another way in other fonts,
5184 % where something hairier probably needs to be done.
5186 % #1 is what to print if we are indeed using \tt; #2 is what to print
5187 % otherwise. Since all the Computer Modern typewriter fonts have zero
5188 % interword stretch (and shrink), and it is reasonable to expect all
5189 % typewriter fonts to have this, we can check that font parameter.
5191 \def\ifusingtt#1#2{\ifdim \fontdimen3\the\font=0pt #1\else #2\fi}
5193 % Turn off all special characters except @
5194 % (and those which the user can use as if they were ordinary).
5195 % Most of these we simply print from the \tt font, but for some, we can
5196 % use math or other variants that look better in normal text.
5198 \catcode`\"=\active
5199 \def\activedoublequote{{\tt\char34}}
5200 \let"=\activedoublequote
5201 \catcode`\~=\active
5202 \def~{{\tt\char126}}
5203 \chardef\hat=`\^
5204 \catcode`\^=\active
5205 \def^{{\tt \hat}}
5207 \catcode`\_=\active
5208 \def_{\ifusingtt\normalunderscore\_}
5209 % Subroutine for the previous macro.
5210 \def\_{\leavevmode \kern.06em \vbox{\hrule width.3em height.1ex}}
5212 \catcode`\|=\active
5213 \def|{{\tt\char124}}
5214 \chardef \less=`\<
5215 \catcode`\<=\active
5216 \def<{{\tt \less}}
5217 \chardef \gtr=`\>
5218 \catcode`\>=\active
5219 \def>{{\tt \gtr}}
5220 \catcode`\+=\active
5221 \def+{{\tt \char 43}}
5222 %\catcode 27=\active
5223 %\def^^[{$\diamondsuit$}
5225 % Set up an active definition for =, but don't enable it most of the time.
5226 {\catcode`\==\active
5227 \global\def={{\tt \char 61}}}
5229 \catcode`+=\active
5230 \catcode`\_=\active
5232 % If a .fmt file is being used, characters that might appear in a file
5233 % name cannot be active until we have parsed the command line.
5234 % So turn them off again, and have \everyjob (or @setfilename) turn them on.
5235 % \otherifyactive is called near the end of this file.
5236 \def\otherifyactive{\catcode`+=\other \catcode`\_=\other}
5238 \catcode`\@=0
5240 % \rawbackslashxx output one backslash character in current font
5241 \global\chardef\rawbackslashxx=`\\
5242 %{\catcode`\\=\other
5243 %@gdef@rawbackslashxx{\}}
5245 % \rawbackslash redefines \ as input to do \rawbackslashxx.
5246 {\catcode`\\=\active
5247 @gdef@rawbackslash{@let\=@rawbackslashxx }}
5249 % \normalbackslash outputs one backslash in fixed width font.
5250 \def\normalbackslash{{\tt\rawbackslashxx}}
5252 % Say @foo, not \foo, in error messages.
5253 \escapechar=`\@
5255 % \catcode 17=0 % Define control-q
5256 \catcode`\\=\active
5258 % Used sometimes to turn off (effectively) the active characters
5259 % even after parsing them.
5260 @def@turnoffactive{@let"=@normaldoublequote
5261 @let\=@realbackslash
5262 @let~=@normaltilde
5263 @let^=@normalcaret
5264 @let_=@normalunderscore
5265 @let|=@normalverticalbar
5266 @let<=@normalless
5267 @let>=@normalgreater
5268 @let+=@normalplus}
5270 @def@normalturnoffactive{@let"=@normaldoublequote
5271 @let\=@normalbackslash
5272 @let~=@normaltilde
5273 @let^=@normalcaret
5274 @let_=@normalunderscore
5275 @let|=@normalverticalbar
5276 @let<=@normalless
5277 @let>=@normalgreater
5278 @let+=@normalplus}
5280 % Make _ and + \other characters, temporarily.
5281 % This is canceled by @fixbackslash.
5282 @otherifyactive
5284 % If a .fmt file is being used, we don't want the `\input texinfo' to show up.
5285 % That is what \eatinput is for; after that, the `\' should revert to printing
5286 % a backslash.
5288 @gdef@eatinput input texinfo{@fixbackslash}
5289 @global@let\ = @eatinput
5291 % On the other hand, perhaps the file did not have a `\input texinfo'. Then
5292 % the first `\{ in the file would cause an error. This macro tries to fix
5293 % that, assuming it is called before the first `\' could plausibly occur.
5294 % Also back turn on active characters that might appear in the input
5295 % file name, in case not using a pre-dumped format.
5297 @gdef@fixbackslash{@ifx\@eatinput @let\ = @normalbackslash @fi
5298 @catcode`+=@active @catcode`@_=@active}
5300 % These look ok in all fonts, so just make them not special. The @rm below
5301 % makes sure that the current font starts out as the newly loaded cmr10
5302 @catcode`@$=@other @catcode`@%=@other @catcode`@&=@other @catcode`@#=@other
5304 @textfonts
5307 @c Local variables:
5308 @c eval: (add-hook 'write-file-hooks 'time-stamp)
5309 @c page-delimiter: "^\\\\message"
5310 @c time-stamp-start: "def\\\\texinfoversion{"
5311 @c time-stamp-format: "%:y-%02m-%02d"
5312 @c time-stamp-end: "}"
5313 @c End: