Annotation of gforth/texinfo.tex, revision 1.1
1.1 ! anton 1: %% TeX macros to handle texinfo files
! 2:
! 3: % Copyright (C) 1985, 1986, 1988, 1990, 1991 Free Software Foundation, Inc.
! 4:
! 5: %This texinfo.tex file is free software; you can redistribute it and/or
! 6: %modify it under the terms of the GNU General Public License as
! 7: %published by the Free Software Foundation; either version 2, or (at
! 8: %your option) any later version.
! 9:
! 10: %This texinfo.tex file is distributed in the hope that it will be
! 11: %useful, but WITHOUT ANY WARRANTY; without even the implied warranty
! 12: %of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 13: %General Public License for more details.
! 14:
! 15: %You should have received a copy of the GNU General Public License
! 16: %along with this texinfo.tex file; see the file COPYING. If not, write
! 17: %to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139,
! 18: %USA.
! 19:
! 20:
! 21: %In other words, you are welcome to use, share and improve this program.
! 22: %You are forbidden to forbid anyone else to use, share and improve
! 23: %what you give them. Help stamp out software-hoarding!
! 24:
! 25: \def\texinfoversion{2.72}
! 26: \message{Loading texinfo package [Version \texinfoversion]:}
! 27: \message{}
! 28:
! 29: % Print the version number if in a .fmt file.
! 30: \everyjob{\message{[Texinfo version \texinfoversion]}\message{}}
! 31:
! 32: % Save some parts of plain tex whose names we will redefine.
! 33:
! 34: \let\ptexlbrace=\{
! 35: \let\ptexrbrace=\}
! 36: \let\ptexdots=\dots
! 37: \let\ptexdot=\.
! 38: \let\ptexstar=\*
! 39: \let\ptexend=\end
! 40: \let\ptexbullet=\bullet
! 41: \let\ptexb=\b
! 42: \let\ptexc=\c
! 43: \let\ptexi=\i
! 44: \let\ptext=\t
! 45: \let\ptexl=\l
! 46: \let\ptexL=\L
! 47:
! 48: \def\tie{\penalty 10000\ } % Save plain tex definition of ~.
! 49:
! 50: \message{Basics,}
! 51: \chardef\other=12
! 52:
! 53: % If this character appears in an error message or help string, it
! 54: % starts a new line in the output.
! 55: \newlinechar = `^^J
! 56:
! 57: \hyphenation{ap-pen-dix}
! 58: \hyphenation{mini-buf-fer mini-buf-fers}
! 59: \hyphenation{eshell}
! 60:
! 61: % Margin to add to right of even pages, to left of odd pages.
! 62: \newdimen \bindingoffset \bindingoffset=0pt
! 63: \newdimen \normaloffset \normaloffset=\hoffset
! 64: \newdimen\pagewidth \newdimen\pageheight
! 65: \pagewidth=\hsize \pageheight=\vsize
! 66:
! 67: % Sometimes it is convenient to have everything in the transcript file
! 68: % and nothing on the terminal. We don't just call \tracingall here,
! 69: % since that produces some useless output on the terminal.
! 70: %
! 71: \def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}%
! 72: \def\loggingall{\tracingcommands2 \tracingstats2
! 73: \tracingpages1 \tracingoutput1 \tracinglostchars1
! 74: \tracingmacros2 \tracingparagraphs1 \tracingrestores1
! 75: \showboxbreadth\maxdimen\showboxdepth\maxdimen
! 76: }%
! 77:
! 78: %---------------------Begin change-----------------------
! 79: %
! 80: %%%% For @cropmarks command.
! 81: % Dimensions to add cropmarks at corners Added by P. A. MacKay, 12 Nov. 1986
! 82: %
! 83: \newdimen\cornerlong \newdimen\cornerthick
! 84: \newdimen \topandbottommargin
! 85: \newdimen \outerhsize \newdimen \outervsize
! 86: \cornerlong=1pc\cornerthick=.3pt % These set size of cropmarks
! 87: \outerhsize=7in
! 88: %\outervsize=9.5in
! 89: % Alternative @smallbook page size is 9.25in
! 90: \outervsize=9.25in
! 91: \topandbottommargin=.75in
! 92: %
! 93: %---------------------End change-----------------------
! 94:
! 95: % \onepageout takes a vbox as an argument. Note that \pagecontents
! 96: % does insertions itself, but you have to call it yourself.
! 97: \chardef\PAGE=255 \output={\onepageout{\pagecontents\PAGE}}
! 98: \def\onepageout#1{\hoffset=\normaloffset
! 99: \ifodd\pageno \advance\hoffset by \bindingoffset
! 100: \else \advance\hoffset by -\bindingoffset\fi
! 101: {\escapechar=`\\\relax % makes sure backslash is used in output files.
! 102: \shipout\vbox{{\let\hsize=\pagewidth \makeheadline} \pagebody{#1}%
! 103: {\let\hsize=\pagewidth \makefootline}}}%
! 104: \advancepageno \ifnum\outputpenalty>-20000 \else\dosupereject\fi}
! 105:
! 106: %%%% For @cropmarks command %%%%
! 107:
! 108: % Here is a modification of the main output routine for Near East Publications
! 109: % This provides right-angle cropmarks at all four corners.
! 110: % The contents of the page are centerlined into the cropmarks,
! 111: % and any desired binding offset is added as an \hskip on either
! 112: % site of the centerlined box. (P. A. MacKay, 12 November, 1986)
! 113: %
! 114: \def\croppageout#1{\hoffset=0pt % make sure this doesn't mess things up
! 115: \shipout
! 116: \vbox to \outervsize{\hsize=\outerhsize
! 117: \vbox{\line{\ewtop\hfill\ewtop}}
! 118: \nointerlineskip
! 119: \line{\vbox{\moveleft\cornerthick\nstop}
! 120: \hfill
! 121: \vbox{\moveright\cornerthick\nstop}}
! 122: \vskip \topandbottommargin
! 123: \centerline{\ifodd\pageno\hskip\bindingoffset\fi
! 124: \vbox{
! 125: {\let\hsize=\pagewidth \makeheadline}
! 126: \pagebody{#1}
! 127: {\let\hsize=\pagewidth \makefootline}}
! 128: \ifodd\pageno\else\hskip\bindingoffset\fi}
! 129: \vskip \topandbottommargin plus1fill minus1fill
! 130: \boxmaxdepth\cornerthick
! 131: \line{\vbox{\moveleft\cornerthick\nsbot}
! 132: \hfill
! 133: \vbox{\moveright\cornerthick\nsbot}}
! 134: \nointerlineskip
! 135: \vbox{\line{\ewbot\hfill\ewbot}}
! 136: }
! 137: \advancepageno
! 138: \ifnum\outputpenalty>-20000 \else\dosupereject\fi}
! 139: %
! 140: % Do @cropmarks to get crop marks
! 141: \def\cropmarks{\let\onepageout=\croppageout }
! 142:
! 143: \def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}}
! 144: {\catcode`\@ =11
! 145: \gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi
! 146: \dimen@=\dp#1 \unvbox#1
! 147: \ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi
! 148: \ifr@ggedbottom \kern-\dimen@ \vfil \fi}
! 149: }
! 150:
! 151: %
! 152: % Here are the rules for the cropmarks. Note that they are
! 153: % offset so that the space between them is truly \outerhsize or \outervsize
! 154: % (P. A. MacKay, 12 November, 1986)
! 155: %
! 156: \def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong}
! 157: \def\nstop{\vbox
! 158: {\hrule height\cornerthick depth\cornerlong width\cornerthick}}
! 159: \def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong}
! 160: \def\nsbot{\vbox
! 161: {\hrule height\cornerlong depth\cornerthick width\cornerthick}}
! 162:
! 163: % Parse an argument, then pass it to #1.
! 164: % The argument can be delimited with [...] or with "..." or braces
! 165: % or it can be a whole line.
! 166: % #1 should be a macro which expects
! 167: % an ordinary undelimited TeX argument.
! 168:
! 169: \def\parsearg #1{\let\next=#1\begingroup\obeylines\futurelet\temp\parseargx}
! 170:
! 171: \def\parseargx{%
! 172: \ifx \obeyedspace\temp \aftergroup\parseargdiscardspace \else%
! 173: \aftergroup \parseargline %
! 174: \fi \endgroup}
! 175:
! 176: {\obeyspaces %
! 177: \gdef\parseargdiscardspace {\begingroup\obeylines\futurelet\temp\parseargx}}
! 178:
! 179: \gdef\obeyedspace{\ }
! 180:
! 181: \def\parseargline{\begingroup \obeylines \parsearglinex}
! 182: {\obeylines %
! 183: \gdef\parsearglinex #1^^M{\endgroup \next {#1}}}
! 184:
! 185: \def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next}
! 186:
! 187: %% These are used to keep @begin/@end levels from running away
! 188: %% Call \inENV within environments (after a \begingroup)
! 189: \newif\ifENV \ENVfalse \def\inENV{\ifENV\relax\else\ENVtrue\fi}
! 190: \def\ENVcheck{%
! 191: \ifENV\errmessage{Still within an environment. Type Return to continue.}
! 192: \endgroup\fi} % This is not perfect, but it should reduce lossage
! 193:
! 194: % @begin foo is the same as @foo, for now.
! 195: \newhelp\EMsimple{Type <Return> to continue}
! 196:
! 197: \outer\def\begin{\parsearg\beginxxx}
! 198:
! 199: \def\beginxxx #1{%
! 200: \expandafter\ifx\csname #1\endcsname\relax
! 201: {\errhelp=\EMsimple \errmessage{Undefined command @begin #1}}\else
! 202: \csname #1\endcsname\fi}
! 203:
! 204: %% @end foo executes the definition of \Efoo.
! 205: %% foo can be delimited by doublequotes or brackets.
! 206:
! 207: \def\end{\parsearg\endxxx}
! 208:
! 209: \def\endxxx #1{%
! 210: \expandafter\ifx\csname E#1\endcsname\relax
! 211: \expandafter\ifx\csname #1\endcsname\relax
! 212: \errmessage{Undefined command @end #1}\else
! 213: \errorE{#1}\fi\fi
! 214: \csname E#1\endcsname}
! 215: \def\errorE#1{
! 216: {\errhelp=\EMsimple \errmessage{@end #1 not within #1 environment}}}
! 217:
! 218: % Single-spacing is done by various environments.
! 219:
! 220: \newskip\singlespaceskip \singlespaceskip = \baselineskip
! 221: \def\singlespace{%
! 222: {\advance \baselineskip by -\singlespaceskip
! 223: \kern \baselineskip}%
! 224: \baselineskip=\singlespaceskip
! 225: }
! 226:
! 227: %% Simple single-character @ commands
! 228:
! 229: % @@ prints an @
! 230: % Kludge this until the fonts are right (grr).
! 231: \def\@{{\tt \char '100}}
! 232:
! 233: % Define @` and @' to be the same as ` and '
! 234: % but suppressing ligatures.
! 235: \def\`{{`}}
! 236: \def\'{{'}}
! 237:
! 238: % Used to generate quoted braces.
! 239:
! 240: \def\mylbrace {{\tt \char '173}}
! 241: \def\myrbrace {{\tt \char '175}}
! 242: \let\{=\mylbrace
! 243: \let\}=\myrbrace
! 244:
! 245: % @: forces normal size whitespace following.
! 246: \def\:{\spacefactor=1000 }
! 247:
! 248: % @* forces a line break.
! 249: \def\*{\hfil\break\hbox{}\ignorespaces}
! 250:
! 251: % @. is an end-of-sentence period.
! 252: \def\.{.\spacefactor=3000 }
! 253:
! 254: % @w prevents a word break. Without the \leavevmode, @w at the
! 255: % beginning of a paragraph, when TeX is still in vertical mode, would
! 256: % produce a whole line of output instead of starting the paragraph.
! 257: \def\w#1{\leavevmode\hbox{#1}}
! 258:
! 259: % @group ... @end group forces ... to be all on one page, by enclosing
! 260: % it in a TeX vbox. We use \vtop instead of \vbox to construct the box
! 261: % to keep its height that of a normal line. According to the rules for
! 262: % \topskip (p.114 of the TeXbook), the glue inserted is
! 263: % max (\topskip - \ht (first item), 0). If that height is large,
! 264: % therefore, no glue is inserted, and the space between the headline and
! 265: % the text is small, which looks bad.
! 266: %
! 267: \def\group{\begingroup
! 268: \ifnum\catcode13=\active \else
! 269: \errhelp = \groupinvalidhelp
! 270: \errmessage{@group invalid in context where filling is enabled}%
! 271: \fi
! 272: \def\Egroup{\egroup\endgroup}%
! 273: \vtop\bgroup
! 274: }
! 275: %
! 276: % TeX puts in an \escapechar (i.e., `@') at the beginning of the help
! 277: % message, so this ends up printing `@group can only ...'.
! 278: %
! 279: \newhelp\groupinvalidhelp{%
! 280: group can only be used in environments such as @example,^^J%
! 281: where each line of input produces a line of output.}
! 282:
! 283: % @need space-in-mils
! 284: % forces a page break if there is not space-in-mils remaining.
! 285:
! 286: \newdimen\mil \mil=0.001in
! 287:
! 288: \def\need{\parsearg\needx}
! 289:
! 290: % Old definition--didn't work.
! 291: %\def\needx #1{\par %
! 292: %% This method tries to make TeX break the page naturally
! 293: %% if the depth of the box does not fit.
! 294: %{\baselineskip=0pt%
! 295: %\vtop to #1\mil{\vfil}\kern -#1\mil\penalty 10000
! 296: %\prevdepth=-1000pt
! 297: %}}
! 298:
! 299: \def\needx#1{%
! 300: % Go into vertical mode, so we don't make a big box in the middle of a
! 301: % paragraph.
! 302: \par
! 303: %
! 304: % Don't add any leading before our big empty box, but allow a page
! 305: % break, since the best break might be right here.
! 306: \allowbreak
! 307: \nointerlineskip
! 308: \vtop to #1\mil{\vfil}%
! 309: %
! 310: % TeX does not even consider page breaks if a penalty added to the
! 311: % main vertical list is 10000 or more. But in order to see if the
! 312: % empty box we just added fits on the page, we must make it consider
! 313: % page breaks. On the other hand, we don't want to actually break the
! 314: % page after the empty box. So we use a penalty of 9999.
! 315: %
! 316: % There is an extremely small chance that TeX will actually break the
! 317: % page at this \penalty, if there are no other feasible breakpoints in
! 318: % sight. (If the user is using lots of big @group commands, which
! 319: % almost-but-not-quite fill up a page, TeX will have a hard time doing
! 320: % good page breaking, for example.) However, I could not construct an
! 321: % example where a page broke at this \penalty; if it happens in a real
! 322: % document, then we can reconsider our strategy.
! 323: \penalty9999
! 324: %
! 325: % Back up by the size of the box, whether we did a page break or not.
! 326: \kern -#1\mil
! 327: %
! 328: % Do not allow a page break right after this kern.
! 329: \nobreak
! 330: }
! 331:
! 332: % @br forces paragraph break
! 333:
! 334: \let\br = \par
! 335:
! 336: % @dots{} output some dots
! 337:
! 338: \def\dots{$\ldots$}
! 339:
! 340: % @page forces the start of a new page
! 341:
! 342: \def\page{\par\vfill\supereject}
! 343:
! 344: % @exdent text....
! 345: % outputs text on separate line in roman font, starting at standard page margin
! 346:
! 347: % This records the amount of indent in the innermost environment.
! 348: % That's how much \exdent should take out.
! 349: \newskip\exdentamount
! 350:
! 351: % This defn is used inside fill environments such as @defun.
! 352: \def\exdent{\parsearg\exdentyyy}
! 353: \def\exdentyyy #1{{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break}}
! 354:
! 355: % This defn is used inside nofill environments such as @example.
! 356: \def\nofillexdent{\parsearg\nofillexdentyyy}
! 357: \def\nofillexdentyyy #1{{\advance \leftskip by -\exdentamount
! 358: \leftline{\hskip\leftskip{\rm#1}}}}
! 359:
! 360: %\hbox{{\rm#1}}\hfil\break}}
! 361:
! 362: % @include file insert text of that file as input.
! 363:
! 364: \def\include{\parsearg\includezzz}
! 365: \def\includezzz #1{{\def\thisfile{#1}\input #1
! 366: }}
! 367:
! 368: \def\thisfile{}
! 369:
! 370: % @center line outputs that line, centered
! 371:
! 372: \def\center{\parsearg\centerzzz}
! 373: \def\centerzzz #1{{\advance\hsize by -\leftskip
! 374: \advance\hsize by -\rightskip
! 375: \centerline{#1}}}
! 376:
! 377: % @sp n outputs n lines of vertical space
! 378:
! 379: \def\sp{\parsearg\spxxx}
! 380: \def\spxxx #1{\par \vskip #1\baselineskip}
! 381:
! 382: % @comment ...line which is ignored...
! 383: % @c is the same as @comment
! 384: % @ignore ... @end ignore is another way to write a comment
! 385:
! 386: \def\comment{\catcode 64=\other \catcode 123=\other \catcode 125=\other%
! 387: \parsearg \commentxxx}
! 388:
! 389: \def\commentxxx #1{\catcode 64=0 \catcode 123=1 \catcode 125=2 }
! 390:
! 391: \let\c=\comment
! 392:
! 393: % Prevent errors for section commands.
! 394: % Used in @ignore and in failing conditionals.
! 395: \def\ignoresections{%
! 396: \let\chapter=\relax
! 397: \let\unnumbered=\relax
! 398: \let\top=\relax
! 399: \let\unnumberedsec=\relax
! 400: \let\unnumberedsection=\relax
! 401: \let\unnumberedsubsec=\relax
! 402: \let\unnumberedsubsection=\relax
! 403: \let\unnumberedsubsubsec=\relax
! 404: \let\unnumberedsubsubsection=\relax
! 405: \let\section=\relax
! 406: \let\subsec=\relax
! 407: \let\subsubsec=\relax
! 408: \let\subsection=\relax
! 409: \let\subsubsection=\relax
! 410: \let\appendix=\relax
! 411: \let\appendixsec=\relax
! 412: \let\appendixsection=\relax
! 413: \let\appendixsubsec=\relax
! 414: \let\appendixsubsection=\relax
! 415: \let\appendixsubsubsec=\relax
! 416: \let\appendixsubsubsection=\relax
! 417: \let\contents=\relax
! 418: \let\smallbook=\relax
! 419: \let\titlepage=\relax
! 420: }
! 421:
! 422: \def\ignore{\begingroup\ignoresections
! 423: % Make sure that spaces turn into tokens that match what \ignorexxx wants.
! 424: \catcode32=10
! 425: \ignorexxx}
! 426: \long\def\ignorexxx #1\end ignore{\endgroup\ignorespaces}
! 427:
! 428: \def\direntry{\begingroup\direntryxxx}
! 429: \long\def\direntryxxx #1\end direntry{\endgroup\ignorespaces}
! 430:
! 431: % Conditionals to test whether a flag is set.
! 432:
! 433: \def\ifset{\begingroup\ignoresections\parsearg\ifsetxxx}
! 434:
! 435: \def\ifsetxxx #1{\endgroup
! 436: \expandafter\ifx\csname IF#1\endcsname\relax \let\temp=\ifsetfail
! 437: \else \let\temp=\relax \fi
! 438: \temp}
! 439: \def\Eifset{}
! 440: \def\ifsetfail{\begingroup\ignoresections\ifsetfailxxx}
! 441: \long\def\ifsetfailxxx #1\end ifset{\endgroup\ignorespaces}
! 442:
! 443: \def\ifclear{\begingroup\ignoresections\parsearg\ifclearxxx}
! 444:
! 445: \def\ifclearxxx #1{\endgroup
! 446: \expandafter\ifx\csname IF#1\endcsname\relax \let\temp=\relax
! 447: \else \let\temp=\ifclearfail \fi
! 448: \temp}
! 449: \def\Eifclear{}
! 450: \def\ifclearfail{\begingroup\ignoresections\ifclearfailxxx}
! 451: \long\def\ifclearfailxxx #1\end ifclear{\endgroup\ignorespaces}
! 452:
! 453: % @set foo to set the flag named foo.
! 454: % @clear foo to clear the flag named foo.
! 455: \def\set{\parsearg\setxxx}
! 456: \def\setxxx #1{
! 457: \expandafter\let\csname IF#1\endcsname=\set}
! 458:
! 459: \def\clear{\parsearg\clearxxx}
! 460: \def\clearxxx #1{
! 461: \expandafter\let\csname IF#1\endcsname=\relax}
! 462:
! 463: % Some texinfo constructs that are trivial in tex
! 464:
! 465: \def\iftex{}
! 466: \def\Eiftex{}
! 467: \def\ifinfo{\begingroup\ignoresections\ifinfoxxx}
! 468: \long\def\ifinfoxxx #1\end ifinfo{\endgroup\ignorespaces}
! 469:
! 470: \long\def\menu #1\end menu{}
! 471: \def\asis#1{#1}
! 472:
! 473: % @math means output in math mode.
! 474: % We don't use $'s directly in the definition of \math because control
! 475: % sequences like \math are expanded when the toc file is written. Then,
! 476: % we read the toc file back, the $'s will be normal characters (as they
! 477: % should be, according to the definition of Texinfo). So we must use a
! 478: % control sequence to switch into and out of math mode.
! 479: %
! 480: % This isn't quite enough for @math to work properly in indices, but it
! 481: % seems unlikely it will ever be needed there.
! 482: %
! 483: \let\implicitmath = $
! 484: \def\math#1{\implicitmath #1\implicitmath}
! 485:
! 486: \def\node{\ENVcheck\parsearg\nodezzz}
! 487: \def\nodezzz#1{\nodexxx [#1,]}
! 488: \def\nodexxx[#1,#2]{\gdef\lastnode{#1}}
! 489: \let\lastnode=\relax
! 490:
! 491: \def\donoderef{\ifx\lastnode\relax\else
! 492: \expandafter\expandafter\expandafter\setref{\lastnode}\fi
! 493: \let\lastnode=\relax}
! 494:
! 495: \def\unnumbnoderef{\ifx\lastnode\relax\else
! 496: \expandafter\expandafter\expandafter\unnumbsetref{\lastnode}\fi
! 497: \let\lastnode=\relax}
! 498:
! 499: \def\appendixnoderef{\ifx\lastnode\relax\else
! 500: \expandafter\expandafter\expandafter\appendixsetref{\lastnode}\fi
! 501: \let\lastnode=\relax}
! 502:
! 503: \let\refill=\relax
! 504:
! 505: % @setfilename is done at the beginning of every texinfo file.
! 506: % So open here the files we need to have open while reading the input.
! 507: % This makes it possible to make a .fmt file for texinfo.
! 508: \def\setfilename{%
! 509: \readauxfile
! 510: \opencontents
! 511: \openindices
! 512: \fixbackslash % Turn off hack to swallow `\input texinfo'.
! 513: \global\let\setfilename=\comment % Ignore extra @setfilename cmds.
! 514: \comment % Ignore the actual filename.
! 515: }
! 516:
! 517: \outer\def\bye{\pagealignmacro\tracingstats=1\ptexend}
! 518:
! 519: \def\inforef #1{\inforefzzz #1,,,,**}
! 520: \def\inforefzzz #1,#2,#3,#4**{See Info file \file{\losespace#3{}},
! 521: node \samp{\losespace#1{}}}
! 522: \def\losespace #1{#1}
! 523:
! 524: \message{fonts,}
! 525:
! 526: % Font-change commands.
! 527:
! 528: % Texinfo supports the sans serif font style, which plain TeX does not.
! 529: % So we set up a \sf analogous to plain's \rm, etc.
! 530: \newfam\sffam
! 531: \def\sf{\fam=\sffam \tensf}
! 532: \let\li = \sf % Sometimes we call it \li, not \sf.
! 533:
! 534: %% Try out Computer Modern fonts at \magstephalf
! 535: \let\mainmagstep=\magstephalf
! 536:
! 537: \ifx\bigger\relax
! 538: \let\mainmagstep=\magstep1
! 539: \font\textrm=cmr12
! 540: \font\texttt=cmtt12
! 541: \else
! 542: \font\textrm=cmr10 scaled \mainmagstep
! 543: \font\texttt=cmtt10 scaled \mainmagstep
! 544: \fi
! 545: % Instead of cmb10, you many want to use cmbx10.
! 546: % cmbx10 is a prettier font on its own, but cmb10
! 547: % looks better when embedded in a line with cmr10.
! 548: \font\textbf=cmb10 scaled \mainmagstep
! 549: \font\textit=cmti10 scaled \mainmagstep
! 550: \font\textsl=cmsl10 scaled \mainmagstep
! 551: \font\textsf=cmss10 scaled \mainmagstep
! 552: \font\textsc=cmcsc10 scaled \mainmagstep
! 553: \font\texti=cmmi10 scaled \mainmagstep
! 554: \font\textsy=cmsy10 scaled \mainmagstep
! 555:
! 556: % A few fonts for @defun, etc.
! 557: \font\defbf=cmbx10 scaled \magstep1 %was 1314
! 558: \font\deftt=cmtt10 scaled \magstep1
! 559: \def\df{\let\tentt=\deftt \let\tenbf = \defbf \bf}
! 560:
! 561: % Fonts for indices and small examples.
! 562: % We actually use the slanted font rather than the italic,
! 563: % because texinfo normally uses the slanted fonts for that.
! 564: % Do not make many font distinctions in general in the index, since they
! 565: % aren't very useful.
! 566: \font\ninett=cmtt9
! 567: \font\indrm=cmr9
! 568: \font\indit=cmsl9
! 569: \let\indsl=\indit
! 570: \let\indtt=\ninett
! 571: \let\indsf=\indrm
! 572: \let\indbf=\indrm
! 573: \let\indsc=\indrm
! 574: \font\indi=cmmi9
! 575: \font\indsy=cmsy9
! 576:
! 577: % Fonts for headings
! 578: \font\chaprm=cmbx12 scaled \magstep2
! 579: \font\chapit=cmti12 scaled \magstep2
! 580: \font\chapsl=cmsl12 scaled \magstep2
! 581: \font\chaptt=cmtt12 scaled \magstep2
! 582: \font\chapsf=cmss12 scaled \magstep2
! 583: \let\chapbf=\chaprm
! 584: \font\chapsc=cmcsc10 scaled\magstep3
! 585: \font\chapi=cmmi12 scaled \magstep2
! 586: \font\chapsy=cmsy10 scaled \magstep3
! 587:
! 588: \font\secrm=cmbx12 scaled \magstep1
! 589: \font\secit=cmti12 scaled \magstep1
! 590: \font\secsl=cmsl12 scaled \magstep1
! 591: \font\sectt=cmtt12 scaled \magstep1
! 592: \font\secsf=cmss12 scaled \magstep1
! 593: \font\secbf=cmbx12 scaled \magstep1
! 594: \font\secsc=cmcsc10 scaled\magstep2
! 595: \font\seci=cmmi12 scaled \magstep1
! 596: \font\secsy=cmsy10 scaled \magstep2
! 597:
! 598: % \font\ssecrm=cmbx10 scaled \magstep1 % This size an font looked bad.
! 599: % \font\ssecit=cmti10 scaled \magstep1 % The letters were too crowded.
! 600: % \font\ssecsl=cmsl10 scaled \magstep1
! 601: % \font\ssectt=cmtt10 scaled \magstep1
! 602: % \font\ssecsf=cmss10 scaled \magstep1
! 603:
! 604: %\font\ssecrm=cmb10 scaled 1315 % Note the use of cmb rather than cmbx.
! 605: %\font\ssecit=cmti10 scaled 1315 % Also, the size is a little larger than
! 606: %\font\ssecsl=cmsl10 scaled 1315 % being scaled magstep1.
! 607: %\font\ssectt=cmtt10 scaled 1315
! 608: %\font\ssecsf=cmss10 scaled 1315
! 609:
! 610: %\let\ssecbf=\ssecrm
! 611:
! 612: \font\ssecrm=cmbx12 scaled \magstephalf
! 613: \font\ssecit=cmti12 scaled \magstephalf
! 614: \font\ssecsl=cmsl12 scaled \magstephalf
! 615: \font\ssectt=cmtt12 scaled \magstephalf
! 616: \font\ssecsf=cmss12 scaled \magstephalf
! 617: \font\ssecbf=cmbx12 scaled \magstephalf
! 618: \font\ssecsc=cmcsc10 scaled \magstep1
! 619: \font\sseci=cmmi12 scaled \magstephalf
! 620: \font\ssecsy=cmsy10 scaled \magstep1
! 621: % The smallcaps and symbol fonts should actually be scaled \magstep1.5,
! 622: % but that is not a standard magnification.
! 623:
! 624: % Fonts for title page:
! 625: \font\titlerm = cmbx12 scaled \magstep3
! 626: \let\authorrm = \secrm
! 627:
! 628: % In order for the font changes to affect most math symbols and letters,
! 629: % we have to define the \textfont of the standard families. Since
! 630: % texinfo doesn't allow for producing subscripts and superscripts, we
! 631: % don't bother to reset \scriptfont and \scriptscriptfont (which would
! 632: % also require loading a lot more fonts).
! 633: %
! 634: \def\resetmathfonts{%
! 635: \textfont0 = \tenrm \textfont1 = \teni \textfont2 = \tensy
! 636: \textfont\itfam = \tenit \textfont\slfam = \tensl \textfont\bffam = \tenbf
! 637: \textfont\ttfam = \tentt \textfont\sffam = \tensf
! 638: }
! 639:
! 640:
! 641: % The font-changing commands redefine the meanings of \tenSTYLE, instead
! 642: % of just \STYLE. We do this so that font changes will continue to work
! 643: % in math mode, where it is the current \fam that is relevant in most
! 644: % cases, not the current. Plain TeX does, for example,
! 645: % \def\bf{\fam=\bffam \tenbf} By redefining \tenbf, we obviate the need
! 646: % to redefine \bf itself.
! 647: \def\textfonts{%
! 648: \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl
! 649: \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc
! 650: \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy
! 651: \resetmathfonts}
! 652: \def\chapfonts{%
! 653: \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl
! 654: \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc
! 655: \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy
! 656: \resetmathfonts}
! 657: \def\secfonts{%
! 658: \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl
! 659: \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc
! 660: \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy
! 661: \resetmathfonts}
! 662: \def\subsecfonts{%
! 663: \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl
! 664: \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc
! 665: \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy
! 666: \resetmathfonts}
! 667: \def\indexfonts{%
! 668: \let\tenrm=\indrm \let\tenit=\indit \let\tensl=\indsl
! 669: \let\tenbf=\indbf \let\tentt=\indtt \let\smallcaps=\indsc
! 670: \let\tensf=\indsf \let\teni=\indi \let\tensy=\indsy
! 671: \resetmathfonts}
! 672:
! 673: % Set up the default fonts, so we can use them for creating boxes.
! 674: %
! 675: \textfonts
! 676:
! 677: % Count depth in font-changes, for error checks
! 678: \newcount\fontdepth \fontdepth=0
! 679:
! 680: % Fonts for short table of contents.
! 681: \font\shortcontrm=cmr12
! 682: \font\shortcontbf=cmbx12
! 683: \font\shortcontsl=cmsl12
! 684:
! 685: %% Add scribe-like font environments, plus @l for inline lisp (usually sans
! 686: %% serif) and @ii for TeX italic
! 687:
! 688: % \smartitalic{ARG} outputs arg in italics, followed by an italic correction
! 689: % unless the following character is such as not to need one.
! 690: \def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else\/\fi\fi\fi}
! 691: \def\smartitalic#1{{\sl #1}\futurelet\next\smartitalicx}
! 692:
! 693: \let\i=\smartitalic
! 694: \let\var=\smartitalic
! 695: \let\dfn=\smartitalic
! 696: \let\emph=\smartitalic
! 697: \let\cite=\smartitalic
! 698:
! 699: \def\b#1{{\bf #1}}
! 700: \let\strong=\b
! 701:
! 702: \def\t#1{{\tt \exhyphenpenalty=10000\rawbackslash \frenchspacing #1}\null}
! 703: \let\ttfont = \t
! 704: %\def\samp #1{`{\tt \rawbackslash \frenchspacing #1}'\null}
! 705: \def\samp #1{`\tclose{#1}'\null}
! 706: \def\key #1{{\tt \exhyphenpenalty=10000\uppercase{#1}}\null}
! 707: \def\ctrl #1{{\tt \rawbackslash \hat}#1}
! 708:
! 709: \let\file=\samp
! 710:
! 711: % @code is a modification of @t,
! 712: % which makes spaces the same size as normal in the surrounding text.
! 713: \newdimen\tclosesave
! 714: \newdimen\tcloserm
! 715: \def\tclose#1{{\rm \tcloserm=\fontdimen2\font \tt \tclosesave=\fontdimen2\font
! 716: \fontdimen2\font=\tcloserm
! 717: % prevent breaking lines at hyphens.
! 718: \exhyphenpenalty=10000
! 719: \def\ {{\fontdimen2\font=\tclosesave{} }}%
! 720: \rawbackslash \frenchspacing #1\fontdimen2\font=\tclosesave}\null}
! 721: \let\code=\tclose
! 722: %\let\exp=\tclose %Was temporary
! 723:
! 724: % @kbd is like @code, except that if the argument is just one @key command,
! 725: % then @kbd has no effect.
! 726:
! 727: \def\xkey{\key}
! 728: \def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}%
! 729: \ifx\one\xkey\ifx\threex\three \key{#2}%
! 730: \else\tclose{\look}\fi
! 731: \else\tclose{\look}\fi}
! 732:
! 733: % Typeset a dimension, e.g., `in' or `pt'. The only reason for the
! 734: % argument is to make the input look right: @dmn{pt} instead of
! 735: % @dmn{}pt.
! 736: %
! 737: \def\dmn#1{\thinspace #1}
! 738:
! 739: \def\kbd#1{\def\look{#1}\expandafter\kbdfoo\look??\par}
! 740:
! 741: \def\l#1{{\li #1}\null} %
! 742:
! 743: \def\r#1{{\rm #1}} % roman font
! 744: % Use of \lowercase was suggested.
! 745: \def\sc#1{{\smallcaps#1}} % smallcaps font
! 746: \def\ii#1{{\it #1}} % italic font
! 747:
! 748: \message{page headings,}
! 749:
! 750: \newskip\titlepagetopglue \titlepagetopglue = 1.5in
! 751: \newskip\titlepagebottomglue \titlepagebottomglue = 2pc
! 752:
! 753: % First the title page. Must do @settitle before @titlepage.
! 754: \def\titlefont#1{{\titlerm #1}}
! 755:
! 756: \newtoks\realeverypar
! 757: \newif\ifseenauthor
! 758: \newif\iffinishedtitlepage
! 759:
! 760: \def\titlepage{\begingroup \parindent=0pt \textfonts
! 761: \let\subtitlerm=\tenrm
! 762: % I deinstalled the following change because \cmr12 is undefined.
! 763: % This change was not in the ChangeLog anyway. --rms.
! 764: % \let\subtitlerm=\cmr12
! 765: \def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}%
! 766: %
! 767: \def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines}%
! 768: %
! 769: % Leave some space at the very top of the page.
! 770: \vglue\titlepagetopglue
! 771: %
! 772: % Now you can print the title using @title.
! 773: \def\title{\parsearg\titlezzz}%
! 774: \def\titlezzz##1{\leftline{\titlefont{##1}}
! 775: % print a rule at the page bottom also.
! 776: \finishedtitlepagefalse
! 777: \vskip4pt \hrule height 4pt \vskip4pt}%
! 778: % No rule at page bottom unless we print one at the top with @title.
! 779: \finishedtitlepagetrue
! 780: %
! 781: % Now you can put text using @subtitle.
! 782: \def\subtitle{\parsearg\subtitlezzz}%
! 783: \def\subtitlezzz##1{{\subtitlefont \rightline{##1}}}%
! 784: %
! 785: % @author should come last, but may come many times.
! 786: \def\author{\parsearg\authorzzz}%
! 787: \def\authorzzz##1{\ifseenauthor\else\vskip 0pt plus 1filll\seenauthortrue\fi
! 788: {\authorfont \leftline{##1}}}%
! 789: %
! 790: % Most title ``pages'' are actually two pages long, with space
! 791: % at the top of the second. We don't want the ragged left on the second.
! 792: \let\oldpage = \page
! 793: \def\page{%
! 794: \iffinishedtitlepage\else
! 795: \finishtitlepage
! 796: \fi
! 797: \oldpage
! 798: \let\page = \oldpage
! 799: \hbox{}}%
! 800: % \def\page{\oldpage \hbox{}}
! 801: }
! 802:
! 803: \def\Etitlepage{%
! 804: \iffinishedtitlepage\else
! 805: \finishtitlepage
! 806: \fi
! 807: % It is important to do the page break before ending the group,
! 808: % because the headline and footline are only empty inside the group.
! 809: % If we use the new definition of \page, we always get a blank page
! 810: % after the title page, which we certainly don't want.
! 811: \oldpage
! 812: \endgroup
! 813: \HEADINGSon
! 814: }
! 815:
! 816: \def\finishtitlepage{%
! 817: \vskip4pt \hrule height 2pt
! 818: \vskip\titlepagebottomglue
! 819: \finishedtitlepagetrue
! 820: }
! 821:
! 822: %%% Set up page headings and footings.
! 823:
! 824: \let\thispage=\folio
! 825:
! 826: \newtoks \evenheadline % Token sequence for heading line of even pages
! 827: \newtoks \oddheadline % Token sequence for heading line of odd pages
! 828: \newtoks \evenfootline % Token sequence for footing line of even pages
! 829: \newtoks \oddfootline % Token sequence for footing line of odd pages
! 830:
! 831: % Now make Tex use those variables
! 832: \headline={{\textfonts\rm \ifodd\pageno \the\oddheadline
! 833: \else \the\evenheadline \fi}}
! 834: \footline={{\textfonts\rm \ifodd\pageno \the\oddfootline
! 835: \else \the\evenfootline \fi}\HEADINGShook}
! 836: \let\HEADINGShook=\relax
! 837:
! 838: % Commands to set those variables.
! 839: % For example, this is what @headings on does
! 840: % @evenheading @thistitle|@thispage|@thischapter
! 841: % @oddheading @thischapter|@thispage|@thistitle
! 842: % @evenfooting @thisfile||
! 843: % @oddfooting ||@thisfile
! 844:
! 845: \def\evenheading{\parsearg\evenheadingxxx}
! 846: \def\oddheading{\parsearg\oddheadingxxx}
! 847: \def\everyheading{\parsearg\everyheadingxxx}
! 848:
! 849: \def\evenfooting{\parsearg\evenfootingxxx}
! 850: \def\oddfooting{\parsearg\oddfootingxxx}
! 851: \def\everyfooting{\parsearg\everyfootingxxx}
! 852:
! 853: {\catcode`\@=0 %
! 854:
! 855: \gdef\evenheadingxxx #1{\evenheadingyyy #1@|@|@|@|\finish}
! 856: \gdef\evenheadingyyy #1@|#2@|#3@|#4\finish{%
! 857: \global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 858:
! 859: \gdef\oddheadingxxx #1{\oddheadingyyy #1@|@|@|@|\finish}
! 860: \gdef\oddheadingyyy #1@|#2@|#3@|#4\finish{%
! 861: \global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 862:
! 863: \gdef\everyheadingxxx #1{\everyheadingyyy #1@|@|@|@|\finish}
! 864: \gdef\everyheadingyyy #1@|#2@|#3@|#4\finish{%
! 865: \global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
! 866: \global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 867:
! 868: \gdef\evenfootingxxx #1{\evenfootingyyy #1@|@|@|@|\finish}
! 869: \gdef\evenfootingyyy #1@|#2@|#3@|#4\finish{%
! 870: \global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 871:
! 872: \gdef\oddfootingxxx #1{\oddfootingyyy #1@|@|@|@|\finish}
! 873: \gdef\oddfootingyyy #1@|#2@|#3@|#4\finish{%
! 874: \global\oddfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 875:
! 876: \gdef\everyfootingxxx #1{\everyfootingyyy #1@|@|@|@|\finish}
! 877: \gdef\everyfootingyyy #1@|#2@|#3@|#4\finish{%
! 878: \global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
! 879: \global\oddfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 880: %
! 881: }% unbind the catcode of @.
! 882:
! 883: % @headings double turns headings on for double-sided printing.
! 884: % @headings single turns headings on for single-sided printing.
! 885: % @headings off turns them off.
! 886: % @headings on same as @headings double, retained for compatibility.
! 887: % @headings after turns on double-sided headings after this page.
! 888: % @headings doubleafter turns on double-sided headings after this page.
! 889: % @headings singleafter turns on single-sided headings after this page.
! 890: % By default, they are off.
! 891:
! 892: \def\headings #1 {\csname HEADINGS#1\endcsname}
! 893:
! 894: \def\HEADINGSoff{
! 895: \global\evenheadline={\hfil} \global\evenfootline={\hfil}
! 896: \global\oddheadline={\hfil} \global\oddfootline={\hfil}}
! 897: \HEADINGSoff
! 898: % When we turn headings on, set the page number to 1.
! 899: % For double-sided printing, put current file name in lower left corner,
! 900: % chapter name on inside top of right hand pages, document
! 901: % title on inside top of left hand pages, and page numbers on outside top
! 902: % edge of all pages.
! 903: \def\HEADINGSdouble{
! 904: %\pagealignmacro
! 905: \global\pageno=1
! 906: \global\evenfootline={\hfil}
! 907: \global\oddfootline={\hfil}
! 908: \global\evenheadline={\line{\folio\hfil\thistitle}}
! 909: \global\oddheadline={\line{\thischapter\hfil\folio}}
! 910: }
! 911: % For single-sided printing, chapter title goes across top left of page,
! 912: % page number on top right.
! 913: \def\HEADINGSsingle{
! 914: %\pagealignmacro
! 915: \global\pageno=1
! 916: \global\evenfootline={\hfil}
! 917: \global\oddfootline={\hfil}
! 918: \global\evenheadline={\line{\thischapter\hfil\folio}}
! 919: \global\oddheadline={\line{\thischapter\hfil\folio}}
! 920: }
! 921: \def\HEADINGSon{\HEADINGSdouble}
! 922:
! 923: \def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex}
! 924: \let\HEADINGSdoubleafter=\HEADINGSafter
! 925: \def\HEADINGSdoublex{%
! 926: \global\evenfootline={\hfil}
! 927: \global\oddfootline={\hfil}
! 928: \global\evenheadline={\line{\folio\hfil\thistitle}}
! 929: \global\oddheadline={\line{\thischapter\hfil\folio}}
! 930: }
! 931:
! 932: \def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex}
! 933: \def\HEADINGSsinglex{%
! 934: \global\evenfootline={\hfil}
! 935: \global\oddfootline={\hfil}
! 936: \global\evenheadline={\line{\thischapter\hfil\folio}}
! 937: \global\oddheadline={\line{\thischapter\hfil\folio}}
! 938: }
! 939:
! 940: % Subroutines used in generating headings
! 941: % Produces Day Month Year style of output.
! 942: \def\today{\number\day\space
! 943: \ifcase\month\or
! 944: January\or February\or March\or April\or May\or June\or
! 945: July\or August\or September\or October\or November\or December\fi
! 946: \space\number\year}
! 947:
! 948: % Use this if you want the Month Day, Year style of output.
! 949: %\def\today{\ifcase\month\or
! 950: %January\or February\or March\or April\or May\or June\or
! 951: %July\or August\or September\or October\or November\or December\fi
! 952: %\space\number\day, \number\year}
! 953:
! 954: % @settitle line... specifies the title of the document, for headings
! 955: % It generates no output of its own
! 956:
! 957: \def\thistitle{No Title}
! 958: \def\settitle{\parsearg\settitlezzz}
! 959: \def\settitlezzz #1{\gdef\thistitle{#1}}
! 960:
! 961: \message{tables,}
! 962:
! 963: % @tabs -- simple alignment
! 964:
! 965: % These don't work. For one thing, \+ is defined as outer.
! 966: % So these macros cannot even be defined.
! 967:
! 968: %\def\tabs{\parsearg\tabszzz}
! 969: %\def\tabszzz #1{\settabs\+#1\cr}
! 970: %\def\tabline{\parsearg\tablinezzz}
! 971: %\def\tablinezzz #1{\+#1\cr}
! 972: %\def\&{&}
! 973:
! 974: % Tables -- @table, @ftable, @vtable, @item(x), @kitem(x), @xitem(x).
! 975:
! 976: % default indentation of table text
! 977: \newdimen\tableindent \tableindent=.8in
! 978: % default indentation of @itemize and @enumerate text
! 979: \newdimen\itemindent \itemindent=.3in
! 980: % margin between end of table item and start of table text.
! 981: \newdimen\itemmargin \itemmargin=.1in
! 982:
! 983: % used internally for \itemindent minus \itemmargin
! 984: \newdimen\itemmax
! 985:
! 986: % Note @table, @vtable, and @vtable define @item, @itemx, etc., with
! 987: % these defs.
! 988: % They also define \itemindex
! 989: % to index the item name in whatever manner is desired (perhaps none).
! 990:
! 991: \def\internalBitem{\smallbreak \parsearg\itemzzz}
! 992: \def\internalBitemx{\par \parsearg\itemzzz}
! 993:
! 994: \def\internalBxitem "#1"{\def\xitemsubtopix{#1} \smallbreak \parsearg\xitemzzz}
! 995: \def\internalBxitemx "#1"{\def\xitemsubtopix{#1} \par \parsearg\xitemzzz}
! 996:
! 997: \def\internalBkitem{\smallbreak \parsearg\kitemzzz}
! 998: \def\internalBkitemx{\par \parsearg\kitemzzz}
! 999:
! 1000: \def\kitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \lastfunction}}%
! 1001: \itemzzz {#1}}
! 1002:
! 1003: \def\xitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \xitemsubtopic}}%
! 1004: \itemzzz {#1}}
! 1005:
! 1006: \def\itemzzz #1{\begingroup %
! 1007: \advance\hsize by -\rightskip
! 1008: \advance\hsize by -\tableindent
! 1009: \setbox0=\hbox{\itemfont{#1}}%
! 1010: \itemindex{#1}%
! 1011: \nobreak % This prevents a break before @itemx.
! 1012: %
! 1013: % Be sure we are not still in the middle of a paragraph.
! 1014: \parskip=0in
! 1015: \par
! 1016: %
! 1017: % If the item text does not fit in the space we have, put it on a line
! 1018: % by itself, and do not allow a page break either before or after that
! 1019: % line. We do not start a paragraph here because then if the next
! 1020: % command is, e.g., @kindex, the whatsit would get put into the
! 1021: % horizontal list on a line by itself, resulting in extra blank space.
! 1022: \ifdim \wd0>\itemmax
! 1023: \setbox0=\hbox{\hskip \leftskip \hskip -\tableindent \unhbox0}\box0
! 1024: \nobreak
! 1025: \else
! 1026: % The item text fits into the space. Start a paragraph, so that the
! 1027: % following text (if any) will end up on the same line. Since that
! 1028: % text will be indented by \tableindent, we make the item text be in
! 1029: % a zero-width box.
! 1030: \noindent
! 1031: \rlap{\hskip -\tableindent\box0}%
! 1032: \fi
! 1033: \endgroup
! 1034: }
! 1035:
! 1036: \def\item{\errmessage{@item while not in a table}}
! 1037: \def\itemx{\errmessage{@itemx while not in a table}}
! 1038: \def\kitem{\errmessage{@kitem while not in a table}}
! 1039: \def\kitemx{\errmessage{@kitemx while not in a table}}
! 1040: \def\xitem{\errmessage{@xitem while not in a table}}
! 1041: \def\xitemx{\errmessage{@xitemx while not in a table}}
! 1042:
! 1043: %% Contains a kludge to get @end[description] to work
! 1044: \def\description{\tablez{\dontindex}{1}{}{}{}{}}
! 1045:
! 1046: \def\table{\begingroup\inENV\obeylines\obeyspaces\tablex}
! 1047: {\obeylines\obeyspaces%
! 1048: \gdef\tablex #1^^M{%
! 1049: \tabley\dontindex#1 \endtabley}}
! 1050:
! 1051: \def\ftable{\begingroup\inENV\obeylines\obeyspaces\ftablex}
! 1052: {\obeylines\obeyspaces%
! 1053: \gdef\ftablex #1^^M{%
! 1054: \tabley\fnitemindex#1 \endtabley
! 1055: \def\Eftable{\endgraf\endgroup\afterenvbreak}%
! 1056: \let\Etable=\relax}}
! 1057:
! 1058: \def\vtable{\begingroup\inENV\obeylines\obeyspaces\vtablex}
! 1059: {\obeylines\obeyspaces%
! 1060: \gdef\vtablex #1^^M{%
! 1061: \tabley\vritemindex#1 \endtabley
! 1062: \def\Evtable{\endgraf\endgroup\afterenvbreak}%
! 1063: \let\Etable=\relax}}
! 1064:
! 1065: \def\dontindex #1{}
! 1066: \def\fnitemindex #1{\doind {fn}{\code{#1}}}%
! 1067: \def\vritemindex #1{\doind {vr}{\code{#1}}}%
! 1068:
! 1069: {\obeyspaces %
! 1070: \gdef\tabley#1#2 #3 #4 #5 #6 #7\endtabley{\endgroup%
! 1071: \tablez{#1}{#2}{#3}{#4}{#5}{#6}}}
! 1072:
! 1073: \def\tablez #1#2#3#4#5#6{%
! 1074: \aboveenvbreak %
! 1075: \begingroup %
! 1076: \def\Edescription{\Etable}% Neccessary kludge.
! 1077: \let\itemindex=#1%
! 1078: \ifnum 0#3>0 \advance \leftskip by #3\mil \fi %
! 1079: \ifnum 0#4>0 \tableindent=#4\mil \fi %
! 1080: \ifnum 0#5>0 \advance \rightskip by #5\mil \fi %
! 1081: \def\itemfont{#2}%
! 1082: \itemmax=\tableindent %
! 1083: \advance \itemmax by -\itemmargin %
! 1084: \advance \leftskip by \tableindent %
! 1085: \exdentamount=\tableindent
! 1086: \parindent = 0pt
! 1087: \parskip = \smallskipamount
! 1088: \ifdim \parskip=0pt \parskip=2pt \fi%
! 1089: \def\Etable{\endgraf\endgroup\afterenvbreak}%
! 1090: \let\item = \internalBitem %
! 1091: \let\itemx = \internalBitemx %
! 1092: \let\kitem = \internalBkitem %
! 1093: \let\kitemx = \internalBkitemx %
! 1094: \let\xitem = \internalBxitem %
! 1095: \let\xitemx = \internalBxitemx %
! 1096: }
! 1097:
! 1098: % This is the counter used by @enumerate, which is really @itemize
! 1099:
! 1100: \newcount \itemno
! 1101:
! 1102: \def\itemize{\parsearg\itemizezzz}
! 1103:
! 1104: \def\itemizezzz #1{%
! 1105: \begingroup % ended by the @end itemsize
! 1106: \itemizey {#1}{\Eitemize}
! 1107: }
! 1108:
! 1109: \def\itemizey #1#2{%
! 1110: \aboveenvbreak %
! 1111: \itemmax=\itemindent %
! 1112: \advance \itemmax by -\itemmargin %
! 1113: \advance \leftskip by \itemindent %
! 1114: \exdentamount=\itemindent
! 1115: \parindent = 0pt %
! 1116: \parskip = \smallskipamount %
! 1117: \ifdim \parskip=0pt \parskip=2pt \fi%
! 1118: \def#2{\endgraf\endgroup\afterenvbreak}%
! 1119: \def\itemcontents{#1}%
! 1120: \let\item=\itemizeitem}
! 1121:
! 1122: \def\bullet{$\ptexbullet$}
! 1123: \def\minus{$-$}
! 1124:
! 1125: % Set sfcode to normal for the chars that usually have another value.
! 1126: % These are `.?!:;,'
! 1127: \def\frenchspacing{\sfcode46=1000 \sfcode63=1000 \sfcode33=1000
! 1128: \sfcode58=1000 \sfcode59=1000 \sfcode44=1000 }
! 1129:
! 1130: % \splitoff TOKENS\endmark defines \first to be the first token in
! 1131: % TOKENS, and \rest to be the remainder.
! 1132: %
! 1133: \def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}%
! 1134:
! 1135: % Allow an optional argument of an uppercase letter, lowercase letter,
! 1136: % or number, to specify the first label in the enumerated list. No
! 1137: % argument is the same as `1'.
! 1138: %
! 1139: \def\enumerate{\parsearg\enumeratezzz}
! 1140: \def\enumeratezzz #1{\enumeratey #1 \endenumeratey}
! 1141: \def\enumeratey #1 #2\endenumeratey{%
! 1142: \begingroup % ended by the @end enumerate
! 1143: %
! 1144: % If we were given no argument, pretend we were given `1'.
! 1145: \def\thearg{#1}%
! 1146: \ifx\thearg\empty \def\thearg{1}\fi
! 1147: %
! 1148: % Detect if the argument is a single token. If so, it might be a
! 1149: % letter. Otherwise, the only valid thing it can be is a number.
! 1150: % (We will always have one token, because of the test we just made.
! 1151: % This is a good thing, since \splitoff doesn't work given nothing at
! 1152: % all -- the first parameter is undelimited.)
! 1153: \expandafter\splitoff\thearg\endmark
! 1154: \ifx\rest\empty
! 1155: % Only one token in the argument. It could still be anything.
! 1156: % A ``lowercase letter'' is one whose \lccode is nonzero.
! 1157: % An ``uppercase letter'' is one whose \lccode is both nonzero, and
! 1158: % not equal to itself.
! 1159: % Otherwise, we assume it's a number.
! 1160: %
! 1161: % We need the \relax at the end of the \ifnum lines to stop TeX from
! 1162: % continuing to look for a <number>.
! 1163: %
! 1164: \ifnum\lccode\expandafter`\thearg=0\relax
! 1165: \numericenumerate % a number (we hope)
! 1166: \else
! 1167: % It's a letter.
! 1168: \ifnum\lccode\expandafter`\thearg=\expandafter`\thearg\relax
! 1169: \lowercaseenumerate % lowercase letter
! 1170: \else
! 1171: \uppercaseenumerate % uppercase letter
! 1172: \fi
! 1173: \fi
! 1174: \else
! 1175: % Multiple tokens in the argument. We hope it's a number.
! 1176: \numericenumerate
! 1177: \fi
! 1178: }
! 1179:
! 1180: % An @enumerate whose labels are integers. The starting integer is
! 1181: % given in \thearg.
! 1182: %
! 1183: \def\numericenumerate{%
! 1184: \itemno = \thearg
! 1185: \startenumeration{\the\itemno}%
! 1186: }
! 1187:
! 1188: % The starting (lowercase) letter is in \thearg.
! 1189: \def\lowercaseenumerate{%
! 1190: \itemno = \expandafter`\thearg
! 1191: \startenumeration{%
! 1192: % Be sure we're not beyond the end of the alphabet.
! 1193: \ifnum\itemno=0
! 1194: \errmessage{No more lowercase letters in @enumerate; get a bigger
! 1195: alphabet}%
! 1196: \fi
! 1197: \char\lccode\itemno
! 1198: }%
! 1199: }
! 1200:
! 1201: % The starting (uppercase) letter is in \thearg.
! 1202: \def\uppercaseenumerate{%
! 1203: \itemno = \expandafter`\thearg
! 1204: \startenumeration{%
! 1205: % Be sure we're not beyond the end of the alphabet.
! 1206: \ifnum\itemno=0
! 1207: \errmessage{No more uppercase letters in @enumerate; get a bigger
! 1208: alphabet}
! 1209: \fi
! 1210: \char\uccode\itemno
! 1211: }%
! 1212: }
! 1213:
! 1214: % Call itemizey, adding a period to the first argument and supplying the
! 1215: % common last two arguments. Also subtract one from the initial value in
! 1216: % \itemno, since @item increments \itemno.
! 1217: %
! 1218: \def\startenumeration#1{%
! 1219: \advance\itemno by -1
! 1220: \itemizey{#1.}\Eenumerate\flushcr
! 1221: }
! 1222:
! 1223: % @alphaenumerate and @capsenumerate are abbreviations for giving an arg
! 1224: % to @enumerate.
! 1225: %
! 1226: \def\alphaenumerate{\enumerate{a}}
! 1227: \def\capsenumerate{\enumerate{A}}
! 1228: \def\Ealphaenumerate{\Eenumerate}
! 1229: \def\Ecapsenumerate{\Eenumerate}
! 1230:
! 1231: % Definition of @item while inside @itemize.
! 1232:
! 1233: \def\itemizeitem{%
! 1234: \advance\itemno by 1
! 1235: {\let\par=\endgraf \smallbreak}%
! 1236: \ifhmode \errmessage{\in hmode at itemizeitem}\fi
! 1237: {\parskip=0in \hskip 0pt
! 1238: \hbox to 0pt{\hss \itemcontents\hskip \itemmargin}%
! 1239: \vadjust{\penalty 1200}}%
! 1240: \flushcr}
! 1241:
! 1242: \message{indexing,}
! 1243: % Index generation facilities
! 1244:
! 1245: % Define \newwrite to be identical to plain tex's \newwrite
! 1246: % except not \outer, so it can be used within \newindex.
! 1247: {\catcode`\@=11
! 1248: \gdef\newwrite{\alloc@7\write\chardef\sixt@@n}}
! 1249:
! 1250: % \newindex {foo} defines an index named foo.
! 1251: % It automatically defines \fooindex such that
! 1252: % \fooindex ...rest of line... puts an entry in the index foo.
! 1253: % It also defines \fooindfile to be the number of the output channel for
! 1254: % the file that accumulates this index. The file's extension is foo.
! 1255: % The name of an index should be no more than 2 characters long
! 1256: % for the sake of vms.
! 1257:
! 1258: \def\newindex #1{
! 1259: \expandafter\newwrite \csname#1indfile\endcsname% Define number for output file
! 1260: \openout \csname#1indfile\endcsname \jobname.#1 % Open the file
! 1261: \expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
! 1262: \noexpand\doindex {#1}}
! 1263: }
! 1264:
! 1265: % @defindex foo == \newindex{foo}
! 1266:
! 1267: \def\defindex{\parsearg\newindex}
! 1268:
! 1269: % Define @defcodeindex, like @defindex except put all entries in @code.
! 1270:
! 1271: \def\newcodeindex #1{
! 1272: \expandafter\newwrite \csname#1indfile\endcsname% Define number for output file
! 1273: \openout \csname#1indfile\endcsname \jobname.#1 % Open the file
! 1274: \expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
! 1275: \noexpand\docodeindex {#1}}
! 1276: }
! 1277:
! 1278: \def\defcodeindex{\parsearg\newcodeindex}
! 1279:
! 1280: % @synindex foo bar makes index foo feed into index bar.
! 1281: % Do this instead of @defindex foo if you don't want it as a separate index.
! 1282: \def\synindex #1 #2 {%
! 1283: \expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
! 1284: \expandafter\let\csname#1indfile\endcsname=\synindexfoo
! 1285: \expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
! 1286: \noexpand\doindex {#2}}%
! 1287: }
! 1288:
! 1289: % @syncodeindex foo bar similar, but put all entries made for index foo
! 1290: % inside @code.
! 1291: \def\syncodeindex #1 #2 {%
! 1292: \expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
! 1293: \expandafter\let\csname#1indfile\endcsname=\synindexfoo
! 1294: \expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
! 1295: \noexpand\docodeindex {#2}}%
! 1296: }
! 1297:
! 1298: % Define \doindex, the driver for all \fooindex macros.
! 1299: % Argument #1 is generated by the calling \fooindex macro,
! 1300: % and it is "foo", the name of the index.
! 1301:
! 1302: % \doindex just uses \parsearg; it calls \doind for the actual work.
! 1303: % This is because \doind is more useful to call from other macros.
! 1304:
! 1305: % There is also \dosubind {index}{topic}{subtopic}
! 1306: % which makes an entry in a two-level index such as the operation index.
! 1307:
! 1308: \def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer}
! 1309: \def\singleindexer #1{\doind{\indexname}{#1}}
! 1310:
! 1311: % like the previous two, but they put @code around the argument.
! 1312: \def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer}
! 1313: \def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}}
! 1314:
! 1315: \def\indexdummies{%
! 1316: \def\_{{\realbackslash _}}%
! 1317: \def\w{\realbackslash w }%
! 1318: \def\bf{\realbackslash bf }%
! 1319: \def\rm{\realbackslash rm }%
! 1320: \def\sl{\realbackslash sl }%
! 1321: \def\sf{\realbackslash sf}%
! 1322: \def\tt{\realbackslash tt}%
! 1323: \def\gtr{\realbackslash gtr}%
! 1324: \def\less{\realbackslash less}%
! 1325: \def\hat{\realbackslash hat}%
! 1326: \def\char{\realbackslash char}%
! 1327: \def\TeX{\realbackslash TeX}%
! 1328: \def\dots{\realbackslash dots }%
! 1329: \def\copyright{\realbackslash copyright }%
! 1330: \def\tclose##1{\realbackslash tclose {##1}}%
! 1331: \def\code##1{\realbackslash code {##1}}%
! 1332: \def\samp##1{\realbackslash samp {##1}}%
! 1333: \def\t##1{\realbackslash r {##1}}%
! 1334: \def\r##1{\realbackslash r {##1}}%
! 1335: \def\i##1{\realbackslash i {##1}}%
! 1336: \def\b##1{\realbackslash b {##1}}%
! 1337: \def\cite##1{\realbackslash cite {##1}}%
! 1338: \def\key##1{\realbackslash key {##1}}%
! 1339: \def\file##1{\realbackslash file {##1}}%
! 1340: \def\var##1{\realbackslash var {##1}}%
! 1341: \def\kbd##1{\realbackslash kbd {##1}}%
! 1342: }
! 1343:
! 1344: % \indexnofonts no-ops all font-change commands.
! 1345: % This is used when outputting the strings to sort the index by.
! 1346: \def\indexdummyfont#1{#1}
! 1347: \def\indexdummytex{TeX}
! 1348: \def\indexdummydots{...}
! 1349:
! 1350: \def\indexnofonts{%
! 1351: \let\w=\indexdummyfont
! 1352: \let\t=\indexdummyfont
! 1353: \let\r=\indexdummyfont
! 1354: \let\i=\indexdummyfont
! 1355: \let\b=\indexdummyfont
! 1356: \let\emph=\indexdummyfont
! 1357: \let\strong=\indexdummyfont
! 1358: \let\cite=\indexdummyfont
! 1359: \let\sc=\indexdummyfont
! 1360: %Don't no-op \tt, since it isn't a user-level command
! 1361: % and is used in the definitions of the active chars like <, >, |...
! 1362: %\let\tt=\indexdummyfont
! 1363: \let\tclose=\indexdummyfont
! 1364: \let\code=\indexdummyfont
! 1365: \let\file=\indexdummyfont
! 1366: \let\samp=\indexdummyfont
! 1367: \let\kbd=\indexdummyfont
! 1368: \let\key=\indexdummyfont
! 1369: \let\var=\indexdummyfont
! 1370: \let\TeX=\indexdummytex
! 1371: \let\dots=\indexdummydots
! 1372: }
! 1373:
! 1374: % To define \realbackslash, we must make \ not be an escape.
! 1375: % We must first make another character (@) an escape
! 1376: % so we do not become unable to do a definition.
! 1377:
! 1378: {\catcode`\@=0 \catcode`\\=\other
! 1379: @gdef@realbackslash{\}}
! 1380:
! 1381: \let\indexbackslash=0 %overridden during \printindex.
! 1382:
! 1383: \def\doind #1#2{%
! 1384: {\count10=\lastpenalty %
! 1385: {\indexdummies % Must do this here, since \bf, etc expand at this stage
! 1386: \escapechar=`\\%
! 1387: {\let\folio=0% Expand all macros now EXCEPT \folio
! 1388: \def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now
! 1389: % so it will be output as is; and it will print as backslash in the indx.
! 1390: %
! 1391: % Now process the index-string once, with all font commands turned off,
! 1392: % to get the string to sort the index by.
! 1393: {\indexnofonts
! 1394: \xdef\temp1{#2}%
! 1395: }%
! 1396: % Now produce the complete index entry. We process the index-string again,
! 1397: % this time with font commands expanded, to get what to print in the index.
! 1398: \edef\temp{%
! 1399: \write \csname#1indfile\endcsname{%
! 1400: \realbackslash entry {\temp1}{\folio}{#2}}}%
! 1401: \temp }%
! 1402: }\penalty\count10}}
! 1403:
! 1404: \def\dosubind #1#2#3{%
! 1405: {\count10=\lastpenalty %
! 1406: {\indexdummies % Must do this here, since \bf, etc expand at this stage
! 1407: \escapechar=`\\%
! 1408: {\let\folio=0%
! 1409: \def\rawbackslashxx{\indexbackslash}%
! 1410: %
! 1411: % Now process the index-string once, with all font commands turned off,
! 1412: % to get the string to sort the index by.
! 1413: {\indexnofonts
! 1414: \xdef\temp1{#2 #3}%
! 1415: }%
! 1416: % Now produce the complete index entry. We process the index-string again,
! 1417: % this time with font commands expanded, to get what to print in the index.
! 1418: \edef\temp{%
! 1419: \write \csname#1indfile\endcsname{%
! 1420: \realbackslash entry {\temp1}{\folio}{#2}{#3}}}%
! 1421: \temp }%
! 1422: }\penalty\count10}}
! 1423:
! 1424: % The index entry written in the file actually looks like
! 1425: % \entry {sortstring}{page}{topic}
! 1426: % or
! 1427: % \entry {sortstring}{page}{topic}{subtopic}
! 1428: % The texindex program reads in these files and writes files
! 1429: % containing these kinds of lines:
! 1430: % \initial {c}
! 1431: % before the first topic whose initial is c
! 1432: % \entry {topic}{pagelist}
! 1433: % for a topic that is used without subtopics
! 1434: % \primary {topic}
! 1435: % for the beginning of a topic that is used with subtopics
! 1436: % \secondary {subtopic}{pagelist}
! 1437: % for each subtopic.
! 1438:
! 1439: % Define the user-accessible indexing commands
! 1440: % @findex, @vindex, @kindex, @cindex.
! 1441:
! 1442: \def\findex {\fnindex}
! 1443: \def\kindex {\kyindex}
! 1444: \def\cindex {\cpindex}
! 1445: \def\vindex {\vrindex}
! 1446: \def\tindex {\tpindex}
! 1447: \def\pindex {\pgindex}
! 1448:
! 1449: \def\cindexsub {\begingroup\obeylines\cindexsub}
! 1450: {\obeylines %
! 1451: \gdef\cindexsub "#1" #2^^M{\endgroup %
! 1452: \dosubind{cp}{#2}{#1}}}
! 1453:
! 1454: % Define the macros used in formatting output of the sorted index material.
! 1455:
! 1456: % This is what you call to cause a particular index to get printed.
! 1457: % Write
! 1458: % @unnumbered Function Index
! 1459: % @printindex fn
! 1460:
! 1461: \def\printindex{\parsearg\doprintindex}
! 1462:
! 1463: \def\doprintindex#1{%
! 1464: \tex
! 1465: \dobreak \chapheadingskip {10000}
! 1466: \catcode`\%=\other\catcode`\&=\other\catcode`\#=\other
! 1467: \catcode`\$=\other\catcode`\_=\other
! 1468: \catcode`\~=\other
! 1469: %
! 1470: % The following don't help, since the chars were translated
! 1471: % when the raw index was written, and their fonts were discarded
! 1472: % due to \indexnofonts.
! 1473: %\catcode`\"=\active
! 1474: %\catcode`\^=\active
! 1475: %\catcode`\_=\active
! 1476: %\catcode`\|=\active
! 1477: %\catcode`\<=\active
! 1478: %\catcode`\>=\active
! 1479: % %
! 1480: \def\indexbackslash{\rawbackslashxx}
! 1481: \indexfonts\rm \tolerance=9500 \advance\baselineskip -1pt
! 1482: \begindoublecolumns
! 1483: %
! 1484: % See if the index file exists and is nonempty.
! 1485: \openin 1 \jobname.#1s
! 1486: \ifeof 1
! 1487: % \enddoublecolumns gets confused if there is no text in the index,
! 1488: % and it loses the chapter title and the aux file entries for the
! 1489: % index. The easiest way to prevent this problem is to make sure
! 1490: % there is some text.
! 1491: (Index is nonexistent)
! 1492: \else
! 1493: %
! 1494: % If the index file exists but is empty, then \openin leaves \ifeof
! 1495: % false. We have to make TeX try to read something from the file, so
! 1496: % it can discover if there is anything in it.
! 1497: \read 1 to \temp
! 1498: \ifeof 1
! 1499: (Index is empty)
! 1500: \else
! 1501: \input \jobname.#1s
! 1502: \fi
! 1503: \fi
! 1504: \closein 1
! 1505: \enddoublecolumns
! 1506: \Etex
! 1507: }
! 1508:
! 1509: % These macros are used by the sorted index file itself.
! 1510: % Change them to control the appearance of the index.
! 1511:
! 1512: % Same as \bigskipamount except no shrink.
! 1513: % \balancecolumns gets confused if there is any shrink.
! 1514: \newskip\initialskipamount \initialskipamount 12pt plus4pt
! 1515:
! 1516: \def\initial #1{%
! 1517: {\let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt
! 1518: \ifdim\lastskip<\initialskipamount
! 1519: \removelastskip \penalty-200 \vskip \initialskipamount\fi
! 1520: \line{\secbf#1\hfill}\kern 2pt\penalty10000}}
! 1521:
! 1522: \def\entry #1#2{\begingroup
! 1523: \parfillskip=0in \parskip=0in \parindent=0in
! 1524: %
! 1525: % \hangindent is only relevant when the page number and the entry text
! 1526: % don't fit on one line. In that case, bob suggests starting the dots
! 1527: % pretty far over on the line.
! 1528: % \hangafter is reset to 1 at the start of each paragraph.
! 1529: \hangindent=.75\hsize
! 1530: \noindent
! 1531: %
! 1532: % Don't break the text of the index entry.
! 1533: \hbox{#1}%
! 1534: %
! 1535: % If we must, put the page number on a line of its own, and fill out
! 1536: % this line with blank space. (The \hfil is overwhelmed with the
! 1537: % fill leaders glue in \indexdotfill if the page number does fit.)
! 1538: \hfil\penalty50
! 1539: \null\nobreak\indexdotfill % Have leaders before the page number.
! 1540: %
! 1541: % The `\ ' here is removed by the implicit \unskip that TeX does as
! 1542: % part of (the primitive) \par. Without, a spurious underfull \hbox ensues.
! 1543: \ #2% The page number ends the paragraph.
! 1544: \par
! 1545: \endgroup}
! 1546:
! 1547: % Like \dotfill except takes at least 1 em.
! 1548: \def\indexdotfill{\cleaders
! 1549: \hbox{$\mathsurround=0pt \mkern1.5mu . \mkern1.5mu$}\hskip 1em plus 1fill}
! 1550:
! 1551: \def\primary #1{\line{#1\hfil}}
! 1552:
! 1553: \newskip\secondaryindent \secondaryindent=0.5cm
! 1554:
! 1555: \def\secondary #1#2{
! 1556: {\parfillskip=0in \parskip=0in
! 1557: \hangindent =1in \hangafter=1
! 1558: \noindent\hskip\secondaryindent\hbox{#1}\indexdotfill #2\par
! 1559: }}
! 1560:
! 1561: %% Define two-column mode, which is used in indexes.
! 1562: %% Adapted from the TeXBook, page 416
! 1563: \catcode `\@=11
! 1564:
! 1565: \newbox\partialpage
! 1566:
! 1567: \newdimen\doublecolumnhsize \doublecolumnhsize = 3.11in
! 1568: \newdimen\doublecolumnvsize \doublecolumnvsize = 19.1in
! 1569: \newdimen\availdimen@
! 1570:
! 1571: \def\begindoublecolumns{\begingroup
! 1572: \output={\global\setbox\partialpage=
! 1573: \vbox{\unvbox255\kern -\topskip \kern \baselineskip}}\eject
! 1574: \output={\doublecolumnout}%
! 1575: \hsize=\doublecolumnhsize \vsize=\doublecolumnvsize}
! 1576: \def\enddoublecolumns{\output={\balancecolumns}\eject
! 1577: \endgroup \pagegoal=\vsize}
! 1578:
! 1579: \def\doublecolumnout{\splittopskip=\topskip \splitmaxdepth=\maxdepth
! 1580: \dimen@=\pageheight \advance\dimen@ by-\ht\partialpage
! 1581: \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@
! 1582: \onepageout\pagesofar \unvbox255 \penalty\outputpenalty}
! 1583: \def\pagesofar{\unvbox\partialpage %
! 1584: \hsize=\doublecolumnhsize % have to restore this since output routine
! 1585: % changes it to set cropmarks (P. A. MacKay, 12 Nov. 1986)
! 1586: \wd0=\hsize \wd2=\hsize \hbox to\pagewidth{\box0\hfil\box2}}
! 1587: \def\balancecolumns{%
! 1588: % Unset the glue.
! 1589: \setbox255=\vbox{\unvbox255}
! 1590: \dimen@=\ht255
! 1591: \advance\dimen@ by\topskip \advance\dimen@ by-\baselineskip
! 1592: \divide\dimen@ by2
! 1593: \availdimen@=\pageheight \advance\availdimen@ by-\ht\partialpage
! 1594: % If the remaining data is too big for one page,
! 1595: % output one page normally, then work with what remains.
! 1596: \ifdim \dimen@>\availdimen@
! 1597: {
! 1598: \splittopskip=\topskip \splitmaxdepth=\maxdepth
! 1599: \dimen@=\pageheight \advance\dimen@ by-\ht\partialpage
! 1600: \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@
! 1601: \onepageout\pagesofar
! 1602: }
! 1603: % Recompute size of what remains, in case we just output some of it.
! 1604: \dimen@=\ht255
! 1605: \advance\dimen@ by\topskip \advance\dimen@ by-\baselineskip
! 1606: \divide\dimen@ by2
! 1607: \fi
! 1608: \setbox0=\vbox{\unvbox255}
! 1609: \splittopskip=\topskip
! 1610: {\vbadness=10000 \loop \global\setbox3=\copy0
! 1611: \global\setbox1=\vsplit3 to\dimen@
! 1612: \ifdim\ht3>\dimen@ \global\advance\dimen@ by1pt \repeat}
! 1613: \setbox0=\vbox to\dimen@{\unvbox1} \setbox2=\vbox to\dimen@{\unvbox3}
! 1614: \pagesofar}
! 1615:
! 1616: \catcode `\@=\other
! 1617: \message{sectioning,}
! 1618: % Define chapters, sections, etc.
! 1619:
! 1620: \newcount \chapno
! 1621: \newcount \secno \secno=0
! 1622: \newcount \subsecno \subsecno=0
! 1623: \newcount \subsubsecno \subsubsecno=0
! 1624:
! 1625: % This counter is funny since it counts through charcodes of letters A, B, ...
! 1626: \newcount \appendixno \appendixno = `\@
! 1627: \def\appendixletter{\char\the\appendixno}
! 1628:
! 1629: \newwrite \contentsfile
! 1630: % This is called from \setfilename.
! 1631: \def\opencontents{\openout \contentsfile = \jobname.toc}
! 1632:
! 1633: % Each @chapter defines this as the name of the chapter.
! 1634: % page headings and footings can use it. @section does likewise
! 1635:
! 1636: \def\thischapter{} \def\thissection{}
! 1637: \def\seccheck#1{\if \pageno<0 %
! 1638: \errmessage{@#1 not allowed after generating table of contents}\fi
! 1639: %
! 1640: }
! 1641:
! 1642: \def\chapternofonts{%
! 1643: \let\rawbackslash=\relax%
! 1644: \let\frenchspacing=\relax%
! 1645: \def\result{\realbackslash result}
! 1646: \def\equiv{\realbackslash equiv}
! 1647: \def\expansion{\realbackslash expansion}
! 1648: \def\print{\realbackslash print}
! 1649: \def\TeX{\realbackslash TeX}
! 1650: \def\dots{\realbackslash dots}
! 1651: \def\copyright{\realbackslash copyright}
! 1652: \def\tt{\realbackslash tt}
! 1653: \def\bf{\realbackslash bf }
! 1654: \def\w{\realbackslash w}
! 1655: \def\less{\realbackslash less}
! 1656: \def\gtr{\realbackslash gtr}
! 1657: \def\hat{\realbackslash hat}
! 1658: \def\char{\realbackslash char}
! 1659: \def\tclose##1{\realbackslash tclose {##1}}
! 1660: \def\code##1{\realbackslash code {##1}}
! 1661: \def\samp##1{\realbackslash samp {##1}}
! 1662: \def\r##1{\realbackslash r {##1}}
! 1663: \def\b##1{\realbackslash b {##1}}
! 1664: \def\key##1{\realbackslash key {##1}}
! 1665: \def\file##1{\realbackslash file {##1}}
! 1666: \def\kbd##1{\realbackslash kbd {##1}}
! 1667: % These are redefined because @smartitalic wouldn't work inside xdef.
! 1668: \def\i##1{\realbackslash i {##1}}
! 1669: \def\cite##1{\realbackslash cite {##1}}
! 1670: \def\var##1{\realbackslash var {##1}}
! 1671: \def\emph##1{\realbackslash emph {##1}}
! 1672: \def\dfn##1{\realbackslash dfn {##1}}
! 1673: }
! 1674:
! 1675: \def\thischaptername{No Chapter Title}
! 1676: \outer\def\chapter{\parsearg\chapterzzz}
! 1677: \def\chapterzzz #1{\seccheck{chapter}%
! 1678: \secno=0 \subsecno=0 \subsubsecno=0
! 1679: \global\advance \chapno by 1 \message{Chapter \the\chapno}%
! 1680: \chapmacro {#1}{\the\chapno}%
! 1681: \gdef\thissection{#1}%
! 1682: \gdef\thischaptername{#1}%
! 1683: % We don't substitute the actual chapter name into \thischapter
! 1684: % because we don't want its macros evaluated now.
! 1685: \xdef\thischapter{Chapter \the\chapno: \noexpand\thischaptername}%
! 1686: {\chapternofonts%
! 1687: \edef\temp{{\realbackslash chapentry {#1}{\the\chapno}{\noexpand\folio}}}%
! 1688: \escapechar=`\\%
! 1689: \write \contentsfile \temp %
! 1690: \donoderef %
! 1691: \global\let\section = \numberedsec
! 1692: \global\let\subsection = \numberedsubsec
! 1693: \global\let\subsubsection = \numberedsubsubsec
! 1694: }}
! 1695:
! 1696: \outer\def\appendix{\parsearg\appendixzzz}
! 1697: \def\appendixzzz #1{\seccheck{appendix}%
! 1698: \secno=0 \subsecno=0 \subsubsecno=0
! 1699: \global\advance \appendixno by 1 \message{Appendix \appendixletter}%
! 1700: \chapmacro {#1}{Appendix \appendixletter}%
! 1701: \gdef\thissection{#1}%
! 1702: \gdef\thischaptername{#1}%
! 1703: \xdef\thischapter{Appendix \appendixletter: \noexpand\thischaptername}%
! 1704: {\chapternofonts%
! 1705: \edef\temp{{\realbackslash chapentry
! 1706: {#1}{Appendix \appendixletter}{\noexpand\folio}}}%
! 1707: \escapechar=`\\%
! 1708: \write \contentsfile \temp %
! 1709: \appendixnoderef %
! 1710: \global\let\section = \appendixsec
! 1711: \global\let\subsection = \appendixsubsec
! 1712: \global\let\subsubsection = \appendixsubsubsec
! 1713: }}
! 1714:
! 1715: \outer\def\top{\parsearg\unnumberedzzz}
! 1716: \outer\def\unnumbered{\parsearg\unnumberedzzz}
! 1717: \def\unnumberedzzz #1{\seccheck{unnumbered}%
! 1718: \secno=0 \subsecno=0 \subsubsecno=0 \message{(#1)}
! 1719: \unnumbchapmacro {#1}%
! 1720: \gdef\thischapter{#1}\gdef\thissection{#1}%
! 1721: {\chapternofonts%
! 1722: \edef\temp{{\realbackslash unnumbchapentry {#1}{\noexpand\folio}}}%
! 1723: \escapechar=`\\%
! 1724: \write \contentsfile \temp %
! 1725: \unnumbnoderef %
! 1726: \global\let\section = \unnumberedsec
! 1727: \global\let\subsection = \unnumberedsubsec
! 1728: \global\let\subsubsection = \unnumberedsubsubsec
! 1729: }}
! 1730:
! 1731: \outer\def\numberedsec{\parsearg\seczzz}
! 1732: \def\seczzz #1{\seccheck{section}%
! 1733: \subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
! 1734: \gdef\thissection{#1}\secheading {#1}{\the\chapno}{\the\secno}%
! 1735: {\chapternofonts%
! 1736: \edef\temp{{\realbackslash secentry %
! 1737: {#1}{\the\chapno}{\the\secno}{\noexpand\folio}}}%
! 1738: \escapechar=`\\%
! 1739: \write \contentsfile \temp %
! 1740: \donoderef %
! 1741: \penalty 10000 %
! 1742: }}
! 1743:
! 1744: \outer\def\appendixsection{\parsearg\appendixsectionzzz}
! 1745: \outer\def\appendixsec{\parsearg\appendixsectionzzz}
! 1746: \def\appendixsectionzzz #1{\seccheck{appendixsection}%
! 1747: \subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
! 1748: \gdef\thissection{#1}\secheading {#1}{\appendixletter}{\the\secno}%
! 1749: {\chapternofonts%
! 1750: \edef\temp{{\realbackslash secentry %
! 1751: {#1}{\appendixletter}{\the\secno}{\noexpand\folio}}}%
! 1752: \escapechar=`\\%
! 1753: \write \contentsfile \temp %
! 1754: \appendixnoderef %
! 1755: \penalty 10000 %
! 1756: }}
! 1757:
! 1758: \outer\def\unnumberedsec{\parsearg\unnumberedseczzz}
! 1759: \def\unnumberedseczzz #1{\seccheck{unnumberedsec}%
! 1760: \plainsecheading {#1}\gdef\thissection{#1}%
! 1761: {\chapternofonts%
! 1762: \edef\temp{{\realbackslash unnumbsecentry{#1}{\noexpand\folio}}}%
! 1763: \escapechar=`\\%
! 1764: \write \contentsfile \temp %
! 1765: \unnumbnoderef %
! 1766: \penalty 10000 %
! 1767: }}
! 1768:
! 1769: \outer\def\numberedsubsec{\parsearg\numberedsubseczzz}
! 1770: \def\numberedsubseczzz #1{\seccheck{subsection}%
! 1771: \gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
! 1772: \subsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}%
! 1773: {\chapternofonts%
! 1774: \edef\temp{{\realbackslash subsecentry %
! 1775: {#1}{\the\chapno}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
! 1776: \escapechar=`\\%
! 1777: \write \contentsfile \temp %
! 1778: \donoderef %
! 1779: \penalty 10000 %
! 1780: }}
! 1781:
! 1782: \outer\def\appendixsubsec{\parsearg\appendixsubseczzz}
! 1783: \def\appendixsubseczzz #1{\seccheck{appendixsubsec}%
! 1784: \gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
! 1785: \subsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}%
! 1786: {\chapternofonts%
! 1787: \edef\temp{{\realbackslash subsecentry %
! 1788: {#1}{\appendixletter}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
! 1789: \escapechar=`\\%
! 1790: \write \contentsfile \temp %
! 1791: \appendixnoderef %
! 1792: \penalty 10000 %
! 1793: }}
! 1794:
! 1795: \outer\def\unnumberedsubsec{\parsearg\unnumberedsubseczzz}
! 1796: \def\unnumberedsubseczzz #1{\seccheck{unnumberedsubsec}%
! 1797: \plainsecheading {#1}\gdef\thissection{#1}%
! 1798: {\chapternofonts%
! 1799: \edef\temp{{\realbackslash unnumbsubsecentry{#1}{\noexpand\folio}}}%
! 1800: \escapechar=`\\%
! 1801: \write \contentsfile \temp %
! 1802: \unnumbnoderef %
! 1803: \penalty 10000 %
! 1804: }}
! 1805:
! 1806: \outer\def\numberedsubsubsec{\parsearg\numberedsubsubseczzz}
! 1807: \def\numberedsubsubseczzz #1{\seccheck{subsubsection}%
! 1808: \gdef\thissection{#1}\global\advance \subsubsecno by 1 %
! 1809: \subsubsecheading {#1}
! 1810: {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
! 1811: {\chapternofonts%
! 1812: \edef\temp{{\realbackslash subsubsecentry %
! 1813: {#1}
! 1814: {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}
! 1815: {\noexpand\folio}}}%
! 1816: \escapechar=`\\%
! 1817: \write \contentsfile \temp %
! 1818: \donoderef %
! 1819: \penalty 10000 %
! 1820: }}
! 1821:
! 1822: \outer\def\appendixsubsubsec{\parsearg\appendixsubsubseczzz}
! 1823: \def\appendixsubsubseczzz #1{\seccheck{appendixsubsubsec}%
! 1824: \gdef\thissection{#1}\global\advance \subsubsecno by 1 %
! 1825: \subsubsecheading {#1}
! 1826: {\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
! 1827: {\chapternofonts%
! 1828: \edef\temp{{\realbackslash subsubsecentry{#1}%
! 1829: {\appendixletter}
! 1830: {\the\secno}{\the\subsecno}{\the\subsubsecno}{\noexpand\folio}}}%
! 1831: \escapechar=`\\%
! 1832: \write \contentsfile \temp %
! 1833: \appendixnoderef %
! 1834: \penalty 10000 %
! 1835: }}
! 1836:
! 1837: \outer\def\unnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz}
! 1838: \def\unnumberedsubsubseczzz #1{\seccheck{unnumberedsubsubsec}%
! 1839: \plainsecheading {#1}\gdef\thissection{#1}%
! 1840: {\chapternofonts%
! 1841: \edef\temp{{\realbackslash unnumbsubsubsecentry{#1}{\noexpand\folio}}}%
! 1842: \escapechar=`\\%
! 1843: \write \contentsfile \temp %
! 1844: \unnumbnoderef %
! 1845: \penalty 10000 %
! 1846: }}
! 1847:
! 1848: % These are variants which are not "outer", so they can appear in @ifinfo.
! 1849: % Actually, they should now be obsolete; ordinary section commands should work.
! 1850: \def\infotop{\parsearg\unnumberedzzz}
! 1851: \def\infounnumbered{\parsearg\unnumberedzzz}
! 1852: \def\infounnumberedsec{\parsearg\unnumberedseczzz}
! 1853: \def\infounnumberedsubsec{\parsearg\unnumberedsubseczzz}
! 1854: \def\infounnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz}
! 1855:
! 1856: \def\infoappendix{\parsearg\appendixzzz}
! 1857: \def\infoappendixsec{\parsearg\appendixseczzz}
! 1858: \def\infoappendixsubsec{\parsearg\appendixsubseczzz}
! 1859: \def\infoappendixsubsubsec{\parsearg\appendixsubsubseczzz}
! 1860:
! 1861: \def\infochapter{\parsearg\chapterzzz}
! 1862: \def\infosection{\parsearg\sectionzzz}
! 1863: \def\infosubsection{\parsearg\subsectionzzz}
! 1864: \def\infosubsubsection{\parsearg\subsubsectionzzz}
! 1865:
! 1866: % These macros control what the section commands do, according
! 1867: % to what kind of chapter we are in (ordinary, appendix, or unnumbered).
! 1868: % Define them by default for a numbered chapter.
! 1869: \global\let\section = \numberedsec
! 1870: \global\let\subsection = \numberedsubsec
! 1871: \global\let\subsubsection = \numberedsubsubsec
! 1872:
! 1873: % Define @majorheading, @heading and @subheading
! 1874:
! 1875: % NOTE on use of \vbox for chapter headings, section headings, and
! 1876: % such:
! 1877: % 1) We use \vbox rather than the earlier \line to permit
! 1878: % overlong headings to fold.
! 1879: % 2) \hyphenpenalty is set to 10000 because hyphenation in a
! 1880: % heading is obnoxious; this forbids it.
! 1881: % 3) Likewise, headings look best if no \parindent is used, and
! 1882: % if justification is not attempted. Hence \raggedright.
! 1883:
! 1884:
! 1885: \def\majorheading{\parsearg\majorheadingzzz}
! 1886: \def\majorheadingzzz #1{%
! 1887: {\advance\chapheadingskip by 10pt \chapbreak }%
! 1888: {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 1889: \parindent=0pt\raggedright
! 1890: \rm #1\hfill}}\bigskip \par\penalty 200}
! 1891:
! 1892: \def\chapheading{\parsearg\chapheadingzzz}
! 1893: \def\chapheadingzzz #1{\chapbreak %
! 1894: {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 1895: \parindent=0pt\raggedright
! 1896: \rm #1\hfill}}\bigskip \par\penalty 200}
! 1897:
! 1898: \def\heading{\parsearg\secheadingi}
! 1899:
! 1900: \def\subheading{\parsearg\subsecheadingi}
! 1901:
! 1902: \def\subsubheading{\parsearg\subsubsecheadingi}
! 1903:
! 1904: % These macros generate a chapter, section, etc. heading only
! 1905: % (including whitespace, linebreaking, etc. around it),
! 1906: % given all the information in convenient, parsed form.
! 1907:
! 1908: %%% Args are the skip and penalty (usually negative)
! 1909: \def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi}
! 1910:
! 1911: \def\setchapterstyle #1 {\csname CHAPF#1\endcsname}
! 1912:
! 1913: %%% Define plain chapter starts, and page on/off switching for it
! 1914: % Parameter controlling skip before chapter headings (if needed)
! 1915:
! 1916: \newskip \chapheadingskip \chapheadingskip = 30pt plus 8pt minus 4pt
! 1917:
! 1918: \def\chapbreak{\dobreak \chapheadingskip {-4000}}
! 1919: \def\chappager{\par\vfill\supereject}
! 1920: \def\chapoddpage{\chappager \ifodd\pageno \else \hbox to 0pt{} \chappager\fi}
! 1921:
! 1922: \def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname}
! 1923:
! 1924: \def\CHAPPAGoff{
! 1925: \global\let\pchapsepmacro=\chapbreak
! 1926: \global\let\pagealignmacro=\chappager}
! 1927:
! 1928: \def\CHAPPAGon{
! 1929: \global\let\pchapsepmacro=\chappager
! 1930: \global\let\pagealignmacro=\chappager
! 1931: \global\def\HEADINGSon{\HEADINGSsingle}}
! 1932:
! 1933: \def\CHAPPAGodd{
! 1934: \global\let\pchapsepmacro=\chapoddpage
! 1935: \global\let\pagealignmacro=\chapoddpage
! 1936: \global\def\HEADINGSon{\HEADINGSdouble}}
! 1937:
! 1938: \CHAPPAGon
! 1939:
! 1940: \def\CHAPFplain{
! 1941: \global\let\chapmacro=\chfplain
! 1942: \global\let\unnumbchapmacro=\unnchfplain}
! 1943:
! 1944: \def\chfplain #1#2{%
! 1945: \pchapsepmacro
! 1946: {%
! 1947: \chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 1948: \parindent=0pt\raggedright
! 1949: \rm #2\enspace #1}%
! 1950: }%
! 1951: \bigskip
! 1952: \penalty5000
! 1953: }
! 1954:
! 1955: \def\unnchfplain #1{%
! 1956: \pchapsepmacro %
! 1957: {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 1958: \parindent=0pt\raggedright
! 1959: \rm #1\hfill}}\bigskip \par\penalty 10000 %
! 1960: }
! 1961: \CHAPFplain % The default
! 1962:
! 1963: \def\unnchfopen #1{%
! 1964: \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 1965: \parindent=0pt\raggedright
! 1966: \rm #1\hfill}}\bigskip \par\penalty 10000 %
! 1967: }
! 1968:
! 1969: \def\chfopen #1#2{\chapoddpage {\chapfonts
! 1970: \vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}%
! 1971: \par\penalty 5000 %
! 1972: }
! 1973:
! 1974: \def\CHAPFopen{
! 1975: \global\let\chapmacro=\chfopen
! 1976: \global\let\unnumbchapmacro=\unnchfopen}
! 1977:
! 1978: % Parameter controlling skip before section headings.
! 1979:
! 1980: \newskip \subsecheadingskip \subsecheadingskip = 17pt plus 8pt minus 4pt
! 1981: \def\subsecheadingbreak{\dobreak \subsecheadingskip {-500}}
! 1982:
! 1983: \newskip \secheadingskip \secheadingskip = 21pt plus 8pt minus 4pt
! 1984: \def\secheadingbreak{\dobreak \secheadingskip {-1000}}
! 1985:
! 1986: % @paragraphindent is defined for the Info formatting commands only.
! 1987: \let\paragraphindent=\comment
! 1988:
! 1989: % Section fonts are the base font at magstep2, which produces
! 1990: % a size a bit more than 14 points in the default situation.
! 1991:
! 1992: \def\secheading #1#2#3{\secheadingi {#2.#3\enspace #1}}
! 1993: \def\plainsecheading #1{\secheadingi {#1}}
! 1994: \def\secheadingi #1{{\advance \secheadingskip by \parskip %
! 1995: \secheadingbreak}%
! 1996: {\secfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 1997: \parindent=0pt\raggedright
! 1998: \rm #1\hfill}}%
! 1999: \ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000 }
! 2000:
! 2001:
! 2002: % Subsection fonts are the base font at magstep1,
! 2003: % which produces a size of 12 points.
! 2004:
! 2005: \def\subsecheading #1#2#3#4{\subsecheadingi {#2.#3.#4\enspace #1}}
! 2006: \def\subsecheadingi #1{{\advance \subsecheadingskip by \parskip %
! 2007: \subsecheadingbreak}%
! 2008: {\subsecfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 2009: \parindent=0pt\raggedright
! 2010: \rm #1\hfill}}%
! 2011: \ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000 }
! 2012:
! 2013: \def\subsubsecfonts{\subsecfonts} % Maybe this should change:
! 2014: % Perhaps make sssec fonts scaled
! 2015: % magstep half
! 2016: \def\subsubsecheading #1#2#3#4#5{\subsubsecheadingi {#2.#3.#4.#5\enspace #1}}
! 2017: \def\subsubsecheadingi #1{{\advance \subsecheadingskip by \parskip %
! 2018: \subsecheadingbreak}%
! 2019: {\subsubsecfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 2020: \parindent=0pt\raggedright
! 2021: \rm #1\hfill}}%
! 2022: \ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000}
! 2023:
! 2024:
! 2025: \message{toc printing,}
! 2026:
! 2027: % Finish up the main text and prepare to read what we've written
! 2028: % to \contentsfile.
! 2029:
! 2030: \newskip\contentsrightmargin \contentsrightmargin=1in
! 2031: \def\startcontents#1{%
! 2032: \ifnum \pageno>0
! 2033: \pageno = -1 % Request roman numbered pages.
! 2034: \fi
! 2035: \pagealignmacro
! 2036: \immediate\closeout \contentsfile
! 2037: % Don't need to put `Contents' or `Short Contents' in the headline.
! 2038: % It is abundantly clear what they are.
! 2039: \unnumbchapmacro{#1}\def\thischapter{}%
! 2040: \begingroup % Set up to handle contents files properly.
! 2041: \catcode`\\=0 \catcode`\{=1 \catcode`\}=2 \catcode`\@=11
! 2042: \raggedbottom % Worry more about breakpoints than the bottom.
! 2043: \advance\hsize by -\contentsrightmargin % Don't use the full line length.
! 2044: }
! 2045:
! 2046:
! 2047: % Normal (long) toc.
! 2048: \outer\def\contents{%
! 2049: \startcontents{Table of Contents}%
! 2050: \input \jobname.toc
! 2051: \endgroup
! 2052: \vfill \eject
! 2053: }
! 2054:
! 2055: % And just the chapters.
! 2056: \outer\def\summarycontents{%
! 2057: \startcontents{Short Contents}%
! 2058: %
! 2059: \let\chapentry = \shortchapentry
! 2060: \let\unnumbchapentry = \shortunnumberedentry
! 2061: % We want a true roman here for the page numbers.
! 2062: \secfonts
! 2063: \let\rm=\shortcontrm \let\bf=\shortcontbf \let\sl=\shortcontsl
! 2064: \rm
! 2065: \advance\baselineskip by 1pt % Open it up a little.
! 2066: \def\secentry ##1##2##3##4{}
! 2067: \def\unnumbsecentry ##1##2{}
! 2068: \def\subsecentry ##1##2##3##4##5{}
! 2069: \def\unnumbsubsecentry ##1##2{}
! 2070: \def\subsubsecentry ##1##2##3##4##5##6{}
! 2071: \def\unnumbsubsubsecentry ##1##2{}
! 2072: \input \jobname.toc
! 2073: \endgroup
! 2074: \vfill \eject
! 2075: }
! 2076: \let\shortcontents = \summarycontents
! 2077:
! 2078: % These macros generate individual entries in the table of contents.
! 2079: % The first argument is the chapter or section name.
! 2080: % The last argument is the page number.
! 2081: % The arguments in between are the chapter number, section number, ...
! 2082:
! 2083: % Chapter-level things, for both the long and short contents.
! 2084: \def\chapentry#1#2#3{\dochapentry{#2\labelspace#1}{#3}}
! 2085:
! 2086: % See comments in \dochapentry re vbox and related settings
! 2087: \def\shortchapentry#1#2#3{%
! 2088: \vbox{\hyphenpenalty=10000\tolerance=5000
! 2089: \parindent=0pt\strut\raggedright
! 2090: {#2\labelspace #1}\dotfill\doshortpageno{#3}}%
! 2091: }
! 2092:
! 2093: \def\unnumbchapentry#1#2{\dochapentry{#1}{#2}}
! 2094: \def\shortunnumberedentry#1#2{%
! 2095: \vbox{\hyphenpenalty=10000\tolerance=5000
! 2096: \parindent=0pt\strut\raggedright
! 2097: #1\dotfill\doshortpageno{#2}}%
! 2098: }
! 2099:
! 2100: % Sections.
! 2101: \def\secentry#1#2#3#4{\dosecentry{#2.#3\labelspace#1}{#4}}
! 2102: \def\unnumbsecentry#1#2{\dosecentry{#1}{#2}}
! 2103:
! 2104: % Subsections.
! 2105: \def\subsecentry#1#2#3#4#5{\dosubsecentry{#2.#3.#4\labelspace#1}{#5}}
! 2106: \def\unnumbsubsecentry#1#2{\dosubsecentry{#1}{#2}}
! 2107:
! 2108: % And subsubsections.
! 2109: \def\subsubsecentry#1#2#3#4#5#6{%
! 2110: \dosubsubsecentry{#2.#3.#4.#5\labelspace#1}{#6}}
! 2111: \def\unnumbsubsubsecentry#1#2{\dosubsubsecentry{#1}{#2}}
! 2112:
! 2113:
! 2114: % This parameter controls the indentation of the various levels.
! 2115: \newdimen\tocindent \tocindent = 3pc
! 2116:
! 2117: % Now for the actual typesetting. In all these, #1 is the text and #2 is the
! 2118: % page number.
! 2119: %
! 2120: % If the toc has to be broken over pages, we would want to be at chapters
! 2121: % if at all possible; hence the \penalty.
! 2122: \def\dochapentry#1#2{%
! 2123: \penalty-300 \vskip\baselineskip
! 2124: % This \vbox (and similar ones in dosecentry etc.) used to be a
! 2125: % \line; changed to permit linebreaks for long headings. See
! 2126: % comments above \majorheading. Here we also use \strut to
! 2127: % keep the top end of the vbox from jamming up against the previous
! 2128: % entry in the table of contents.
! 2129: \vbox{\chapentryfonts
! 2130: \hyphenpenalty=10000\tolerance=5000 % this line and next introduced
! 2131: \parindent=0pt\strut\raggedright % with \line -> \vbox change
! 2132: #1\dotfill
! 2133: \dopageno{#2}}%
! 2134: \nobreak\vskip .25\baselineskip
! 2135: }
! 2136:
! 2137: \def\dosecentry#1#2{%
! 2138: \vbox{\secentryfonts \leftskip=\tocindent
! 2139: \hyphenpenalty=10000\tolerance=5000
! 2140: \parindent=0pt\strut\raggedright #1\dotfill
! 2141: \dopageno{#2}}%
! 2142: }
! 2143:
! 2144: \def\dosubsecentry#1#2{%
! 2145: \vbox{\subsecentryfonts \leftskip=2\tocindent
! 2146: \hyphenpenalty=10000\tolerance=5000
! 2147: \parindent=0pt\strut\raggedright #1\dotfill
! 2148: \dopageno{#2}}%
! 2149: }
! 2150:
! 2151: \def\dosubsubsecentry#1#2{%
! 2152: \vbox{\subsubsecentryfonts \leftskip=3\tocindent
! 2153: \hyphenpenalty=10000\tolerance=5000
! 2154: \parindent=0pt\strut\raggedright #1\dotfill
! 2155: \dopageno{#2}}%
! 2156: }
! 2157:
! 2158: % Space between chapter (or whatever) number and the title.
! 2159: \def\labelspace{\hskip1em \relax}
! 2160:
! 2161: \def\dopageno#1{{\rm #1}}
! 2162: \def\doshortpageno#1{{\rm #1}}
! 2163:
! 2164: \def\chapentryfonts{\secfonts \rm}
! 2165: \def\secentryfonts{\textfonts}
! 2166: \let\subsecentryfonts = \textfonts
! 2167: \let\subsubsecentryfonts = \textfonts
! 2168:
! 2169:
! 2170: \message{environments,}
! 2171:
! 2172: % Since these characters are used in examples, it should be an even number of
! 2173: % \tt widths. Each \tt character is 1en, so two makes it 1em.
! 2174: % Furthermore, these definitions must come after we define our fonts.
! 2175: \newbox\dblarrowbox \newbox\longdblarrowbox
! 2176: \newbox\pushcharbox \newbox\bullbox
! 2177: \newbox\equivbox \newbox\errorbox
! 2178:
! 2179: \let\ptexequiv = \equiv
! 2180:
! 2181: %{\tentt
! 2182: %\global\setbox\dblarrowbox = \hbox to 1em{\hfil$\Rightarrow$\hfil}
! 2183: %\global\setbox\longdblarrowbox = \hbox to 1em{\hfil$\mapsto$\hfil}
! 2184: %\global\setbox\pushcharbox = \hbox to 1em{\hfil$\dashv$\hfil}
! 2185: %\global\setbox\equivbox = \hbox to 1em{\hfil$\ptexequiv$\hfil}
! 2186: % Adapted from the manmac format (p.420 of TeXbook)
! 2187: %\global\setbox\bullbox = \hbox to 1em{\kern.15em\vrule height .75ex width .85ex
! 2188: % depth .1ex\hfil}
! 2189: %}
! 2190:
! 2191: \def\point{$\star$}
! 2192:
! 2193: \def\result{\leavevmode\raise.15ex\hbox to 1em{\hfil$\Rightarrow$\hfil}}
! 2194: \def\expansion{\leavevmode\raise.1ex\hbox to 1em{\hfil$\mapsto$\hfil}}
! 2195: \def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}}
! 2196:
! 2197: \def\equiv{\leavevmode\lower.1ex\hbox to 1em{\hfil$\ptexequiv$\hfil}}
! 2198:
! 2199: % Adapted from the TeXbook's \boxit.
! 2200: {\tentt \global\dimen0 = 3em}% Width of the box.
! 2201: \dimen2 = .55pt % Thickness of rules
! 2202: % The text. (`r' is open on the right, `e' somewhat less so on the left.)
! 2203: \setbox0 = \hbox{\kern-.75pt \tensf error\kern-1.5pt}
! 2204:
! 2205: \global\setbox\errorbox=\hbox to \dimen0{\hfil
! 2206: \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right.
! 2207: \advance\hsize by -2\dimen2 % Rules.
! 2208: \vbox{
! 2209: \hrule height\dimen2
! 2210: \hbox{\vrule width\dimen2 \kern3pt % Space to left of text.
! 2211: \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below.
! 2212: \kern3pt\vrule width\dimen2}% Space to right.
! 2213: \hrule height\dimen2}
! 2214: \hfil}
! 2215:
! 2216: % The @error{} command.
! 2217: \def\error{\leavevmode\lower.7ex\copy\errorbox}
! 2218:
! 2219: % @tex ... @end tex escapes into raw Tex temporarily.
! 2220: % One exception: @ is still an escape character, so that @end tex works.
! 2221: % But \@ or @@ will get a plain tex @ character.
! 2222:
! 2223: \def\tex{\begingroup
! 2224: \catcode `\\=0 \catcode `\{=1 \catcode `\}=2
! 2225: \catcode `\$=3 \catcode `\&=4 \catcode `\#=6
! 2226: \catcode `\^=7 \catcode `\_=8 \catcode `\~=13 \let~=\tie
! 2227: \catcode `\%=14
! 2228: \catcode 43=12
! 2229: \catcode`\"=12
! 2230: \catcode`\==12
! 2231: \catcode`\|=12
! 2232: \catcode`\<=12
! 2233: \catcode`\>=12
! 2234: \escapechar=`\\
! 2235: %
! 2236: \let\{=\ptexlbrace
! 2237: \let\}=\ptexrbrace
! 2238: \let\.=\ptexdot
! 2239: \let\*=\ptexstar
! 2240: \let\dots=\ptexdots
! 2241: \def\@{@}%
! 2242: \let\bullet=\ptexbullet
! 2243: \let\b=\ptexb \let\c=\ptexc \let\i=\ptexi \let\t=\ptext \let\l=\ptexl
! 2244: \let\L=\ptexL
! 2245: %
! 2246: \let\Etex=\endgroup}
! 2247:
! 2248: % Define @lisp ... @endlisp.
! 2249: % @lisp does a \begingroup so it can rebind things,
! 2250: % including the definition of @endlisp (which normally is erroneous).
! 2251:
! 2252: % Amount to narrow the margins by for @lisp.
! 2253: \newskip\lispnarrowing \lispnarrowing=0.4in
! 2254:
! 2255: % This is the definition that ^M gets inside @lisp
! 2256: % phr: changed space to \null, to avoid overfull hbox problems.
! 2257: {\obeyspaces%
! 2258: \gdef\lisppar{\null\endgraf}}
! 2259:
! 2260: % Cause \obeyspaces to make each Space cause a word-separation
! 2261: % rather than the default which is that it acts punctuation.
! 2262: % This is because space in tt font looks funny.
! 2263: {\obeyspaces %
! 2264: \gdef\sepspaces{\def {\ }}}
! 2265:
! 2266: \newskip\aboveenvskipamount \aboveenvskipamount= 0pt
! 2267: \def\aboveenvbreak{{\advance\aboveenvskipamount by \parskip
! 2268: \endgraf \ifdim\lastskip<\aboveenvskipamount
! 2269: \removelastskip \penalty-50 \vskip\aboveenvskipamount \fi}}
! 2270:
! 2271: \def\afterenvbreak{\endgraf \ifdim\lastskip<\aboveenvskipamount
! 2272: \removelastskip \penalty-50 \vskip\aboveenvskipamount \fi}
! 2273:
! 2274: % \nonarrowing is a flag. If "set", @lisp etc don't narrow margins.
! 2275: \let\nonarrowing=\relax
! 2276:
! 2277: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
! 2278: % \cartouche: draw rectangle w/rounded corners around argument
! 2279: \font\circle=lcircle10
! 2280: \newdimen\circthick
! 2281: \newdimen\cartouter\newdimen\cartinner
! 2282: \newskip\normbskip\newskip\normpskip\newskip\normlskip
! 2283: \circthick=\fontdimen8\circle
! 2284: %
! 2285: \def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth
! 2286: \def\ctr{{\hskip 6pt\circle\char'010}}
! 2287: \def\cbl{{\circle\char'012\hskip -6pt}}
! 2288: \def\cbr{{\hskip 6pt\circle\char'011}}
! 2289: \def\carttop{\hbox to \cartouter{\hskip\lskip
! 2290: \ctl\leaders\hrule height\circthick\hfil\ctr
! 2291: \hskip\rskip}}
! 2292: \def\cartbot{\hbox to \cartouter{\hskip\lskip
! 2293: \cbl\leaders\hrule height\circthick\hfil\cbr
! 2294: \hskip\rskip}}
! 2295: %
! 2296: \newskip\lskip\newskip\rskip
! 2297:
! 2298: \long\def\cartouche{%
! 2299: \begingroup
! 2300: \lskip=\leftskip \rskip=\rightskip
! 2301: \leftskip=0pt\rightskip=0pt %we want these *outside*.
! 2302: \cartinner=\hsize \advance\cartinner by-\lskip
! 2303: \advance\cartinner by-\rskip
! 2304: \cartouter=\hsize
! 2305: \advance\cartouter by 18pt % allow for 3pt kerns on either
! 2306: % side, and for 6pt waste from
! 2307: % each corner char
! 2308: \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip
! 2309: % Flag to tell @lisp, etc., not to narrow margin.
! 2310: \let\nonarrowing=\comment
! 2311: \vbox\bgroup
! 2312: \baselineskip=0pt\parskip=0pt\lineskip=0pt
! 2313: \carttop
! 2314: \hbox\bgroup
! 2315: \hskip\lskip
! 2316: \vrule\kern3pt
! 2317: \vbox\bgroup
! 2318: \hsize=\cartinner
! 2319: \kern3pt
! 2320: \begingroup
! 2321: \baselineskip=\normbskip
! 2322: \lineskip=\normlskip
! 2323: \parskip=\normpskip
! 2324: \vskip -\parskip
! 2325: \def\Ecartouche{%
! 2326: \endgroup
! 2327: \kern3pt
! 2328: \egroup
! 2329: \kern3pt\vrule
! 2330: \hskip\rskip
! 2331: \egroup
! 2332: \cartbot
! 2333: \egroup
! 2334: \endgroup
! 2335: }}
! 2336:
! 2337: \def\lisp{\aboveenvbreak
! 2338: \begingroup\inENV % This group ends at the end of the @lisp body
! 2339: \hfuzz=12truept % Don't be fussy
! 2340: % Make spaces be word-separators rather than space tokens.
! 2341: \sepspaces %
! 2342: % Single space lines
! 2343: \singlespace %
! 2344: % The following causes blank lines not to be ignored
! 2345: % by adding a space to the end of each line.
! 2346: \let\par=\lisppar
! 2347: \def\Elisp{\endgroup\afterenvbreak}%
! 2348: \parskip=0pt
! 2349: % @cartouche defines \nonarrowing to inhibit narrowing
! 2350: % at next level down.
! 2351: \ifx\nonarrowing\relax
! 2352: \advance \leftskip by \lispnarrowing
! 2353: \exdentamount=\lispnarrowing
! 2354: \let\exdent=\nofillexdent
! 2355: \let\nonarrowing=\relax
! 2356: \fi
! 2357: \parindent=0pt
! 2358: \obeyspaces \obeylines \tt \rawbackslash
! 2359: \def\next##1{}\next}
! 2360:
! 2361:
! 2362: \let\example=\lisp
! 2363: \def\Eexample{\Elisp}
! 2364:
! 2365: \let\smallexample=\lisp
! 2366: \def\Esmallexample{\Elisp}
! 2367:
! 2368: % Macro for 9 pt. examples, necessary to print with 5" lines.
! 2369: % From Pavel@xerox. This is not really used unless the
! 2370: % @smallbook command is given.
! 2371:
! 2372: \def\smalllispx{\aboveenvbreak\begingroup\inENV
! 2373: % This group ends at the end of the @lisp body
! 2374: \hfuzz=12truept % Don't be fussy
! 2375: % Make spaces be word-separators rather than space tokens.
! 2376: \sepspaces %
! 2377: % Single space lines
! 2378: \singlespace %
! 2379: % The following causes blank lines not to be ignored
! 2380: % by adding a space to the end of each line.
! 2381: \let\par=\lisppar
! 2382: \def\Esmalllisp{\endgroup\afterenvbreak}%
! 2383: %%%% Smaller baseline skip for small examples.
! 2384: \baselineskip 10pt
! 2385: \parskip=0pt
! 2386: % @cartouche defines \nonarrowing to inhibit narrowing
! 2387: % at next level down.
! 2388: \ifx\nonarrowing\relax
! 2389: \advance \leftskip by \lispnarrowing
! 2390: \exdentamount=\lispnarrowing
! 2391: \let\exdent=\nofillexdent
! 2392: \let\nonarrowing=\relax
! 2393: \fi
! 2394: \parindent=0pt
! 2395: \obeyspaces \obeylines \ninett \indexfonts \rawbackslash
! 2396: \def\next##1{}\next}
! 2397:
! 2398: % This is @display; same as @lisp except use roman font.
! 2399:
! 2400: \def\display{\begingroup\inENV %This group ends at the end of the @display body
! 2401: \aboveenvbreak
! 2402: % Make spaces be word-separators rather than space tokens.
! 2403: \sepspaces %
! 2404: % Single space lines
! 2405: \singlespace %
! 2406: % The following causes blank lines not to be ignored
! 2407: % by adding a space to the end of each line.
! 2408: \let\par=\lisppar
! 2409: \def\Edisplay{\endgroup\afterenvbreak}%
! 2410: \parskip=0pt
! 2411: % @cartouche defines \nonarrowing to inhibit narrowing
! 2412: % at next level down.
! 2413: \ifx\nonarrowing\relax
! 2414: \advance \leftskip by \lispnarrowing
! 2415: \exdentamount=\lispnarrowing
! 2416: \let\exdent=\nofillexdent
! 2417: \let\nonarrowing=\relax
! 2418: \fi
! 2419: \parindent=0pt
! 2420: \obeyspaces \obeylines
! 2421: \def\next##1{}\next}
! 2422:
! 2423: % This is @format; same as @lisp except use roman font and don't narrow margins
! 2424:
! 2425: \def\format{\begingroup\inENV %This group ends at the end of the @format body
! 2426: \aboveenvbreak
! 2427: % Make spaces be word-separators rather than space tokens.
! 2428: \sepspaces %
! 2429: \singlespace %
! 2430: % The following causes blank lines not to be ignored
! 2431: % by adding a space to the end of each line.
! 2432: \let\par=\lisppar
! 2433: \def\Eformat{\endgroup\afterenvbreak}
! 2434: \parskip=0pt \parindent=0pt
! 2435: \obeyspaces \obeylines
! 2436: \def\next##1{}\next}
! 2437:
! 2438: % @flushleft and @flushright
! 2439:
! 2440: \def\flushleft{%
! 2441: \begingroup\inENV %This group ends at the end of the @format body
! 2442: \aboveenvbreak
! 2443: % Make spaces be word-separators rather than space tokens.
! 2444: \sepspaces %
! 2445: % The following causes blank lines not to be ignored
! 2446: % by adding a space to the end of each line.
! 2447: % This also causes @ to work when the directive name
! 2448: % is terminated by end of line.
! 2449: \let\par=\lisppar
! 2450: \def\Eflushleft{\endgroup\afterenvbreak}%
! 2451: \parskip=0pt \parindent=0pt
! 2452: \obeyspaces \obeylines
! 2453: \def\next##1{}\next}
! 2454:
! 2455: \def\flushright{%
! 2456: \begingroup\inENV %This group ends at the end of the @format body
! 2457: \aboveenvbreak
! 2458: % Make spaces be word-separators rather than space tokens.
! 2459: \sepspaces %
! 2460: % The following causes blank lines not to be ignored
! 2461: % by adding a space to the end of each line.
! 2462: % This also causes @ to work when the directive name
! 2463: % is terminated by end of line.
! 2464: \let\par=\lisppar
! 2465: \def\Eflushright{\endgroup\afterenvbreak}%
! 2466: \parskip=0pt \parindent=0pt
! 2467: \advance \leftskip by 0pt plus 1fill
! 2468: \obeyspaces \obeylines
! 2469: \def\next##1{}\next}
! 2470:
! 2471: % @quotation - narrow the margins.
! 2472:
! 2473: \def\quotation{%
! 2474: \begingroup\inENV %This group ends at the end of the @quotation body
! 2475: {\parskip=0pt % because we will skip by \parskip too, later
! 2476: \aboveenvbreak}%
! 2477: \singlespace
! 2478: \parindent=0pt
! 2479: \def\Equotation{\par\endgroup\afterenvbreak}%
! 2480: % @cartouche defines \nonarrowing to inhibit narrowing
! 2481: % at next level down.
! 2482: \ifx\nonarrowing\relax
! 2483: \advance \leftskip by \lispnarrowing
! 2484: \advance \rightskip by \lispnarrowing
! 2485: \exdentamount=\lispnarrowing
! 2486: \let\nonarrowing=\relax
! 2487: \fi}
! 2488:
! 2489: \message{defuns,}
! 2490: % Define formatter for defuns
! 2491: % First, allow user to change definition object font (\df) internally
! 2492: \def\setdeffont #1 {\csname DEF#1\endcsname}
! 2493:
! 2494: \newskip\defbodyindent \defbodyindent=.4in
! 2495: \newskip\defargsindent \defargsindent=50pt
! 2496: \newskip\deftypemargin \deftypemargin=12pt
! 2497: \newskip\deflastargmargin \deflastargmargin=18pt
! 2498:
! 2499: \newcount\parencount
! 2500: % define \functionparens, which makes ( and ) and & do special things.
! 2501: % \functionparens affects the group it is contained in.
! 2502: \def\activeparens{%
! 2503: \catcode`\(=\active \catcode`\)=\active \catcode`\&=\active
! 2504: \catcode`\[=\active \catcode`\]=\active}
! 2505: {\activeparens % Now, smart parens don't turn on until &foo (see \amprm)
! 2506: \gdef\functionparens{\boldbrax\let&=\amprm\parencount=0 }
! 2507: \gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb}
! 2508:
! 2509: % Definitions of (, ) and & used in args for functions.
! 2510: % This is the definition of ( outside of all parentheses.
! 2511: \gdef\oprm#1 {{\rm\char`\(}#1 \bf \let(=\opnested %
! 2512: \global\advance\parencount by 1 }
! 2513: %
! 2514: % This is the definition of ( when already inside a level of parens.
! 2515: \gdef\opnested{\char`\(\global\advance\parencount by 1 }
! 2516: %
! 2517: \gdef\clrm{% Print a paren in roman if it is taking us back to depth of 0.
! 2518: % also in that case restore the outer-level definition of (.
! 2519: \ifnum \parencount=1 {\rm \char `\)}\sl \let(=\oprm \else \char `\) \fi
! 2520: \global\advance \parencount by -1 }
! 2521: % If we encounter &foo, then turn on ()-hacking afterwards
! 2522: \gdef\amprm#1 {{\rm\}\let(=\oprm \let)=\clrm\ }
! 2523: %
! 2524: \gdef\normalparens{\boldbrax\let&=\ampnr}
! 2525: } % End of definition inside \activeparens
! 2526: %% These parens (in \boldbrax) actually are a little bolder than the
! 2527: %% contained text. This is especially needed for [ and ]
! 2528: \def\opnr{{\sf\char`\(}} \def\clnr{{\sf\char`\)}} \def\ampnr{\&}
! 2529: \def\lbrb{{\bf\char`\[}} \def\rbrb{{\bf\char`\]}}
! 2530:
! 2531: % First, defname, which formats the header line itself.
! 2532: % #1 should be the function name.
! 2533: % #2 should be the type of definition, such as "Function".
! 2534:
! 2535: \def\defname #1#2{%
! 2536: % Get the values of \leftskip and \rightskip as they were
! 2537: % outside the @def...
! 2538: \dimen2=\leftskip
! 2539: \advance\dimen2 by -\defbodyindent
! 2540: \dimen3=\rightskip
! 2541: \advance\dimen3 by -\defbodyindent
! 2542: \noindent %
! 2543: \setbox0=\hbox{\hskip \deflastargmargin{\rm #2}\hskip \deftypemargin}%
! 2544: \dimen0=\hsize \advance \dimen0 by -\wd0 % compute size for first line
! 2545: \dimen1=\hsize \advance \dimen1 by -\defargsindent %size for continuations
! 2546: \parshape 2 0in \dimen0 \defargsindent \dimen1 %
! 2547: % Now output arg 2 ("Function" or some such)
! 2548: % ending at \deftypemargin from the right margin,
! 2549: % but stuck inside a box of width 0 so it does not interfere with linebreaking
! 2550: {% Adjust \hsize to exclude the ambient margins,
! 2551: % so that \rightline will obey them.
! 2552: \advance \hsize by -\dimen2 \advance \hsize by -\dimen3
! 2553: \rlap{\rightline{{\rm #2}\hskip \deftypemargin}}}%
! 2554: % Make all lines underfull and no complaints:
! 2555: \tolerance=10000 \hbadness=10000
! 2556: \advance\leftskip by -\defbodyindent
! 2557: \exdentamount=\defbodyindent
! 2558: {\df #1}\enskip % Generate function name
! 2559: }
! 2560:
! 2561: % Actually process the body of a definition
! 2562: % #1 should be the terminating control sequence, such as \Edefun.
! 2563: % #2 should be the "another name" control sequence, such as \defunx.
! 2564: % #3 should be the control sequence that actually processes the header,
! 2565: % such as \defunheader.
! 2566:
! 2567: \def\defparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
! 2568: \medbreak %
! 2569: % Define the end token that this defining construct specifies
! 2570: % so that it will exit this group.
! 2571: \def#1{\endgraf\endgroup\medbreak}%
! 2572: \def#2{\begingroup\obeylines\activeparens\spacesplit#3}%
! 2573: \parindent=0in
! 2574: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 2575: \exdentamount=\defbodyindent
! 2576: \begingroup %
! 2577: \catcode 61=\active %
! 2578: \obeylines\activeparens\spacesplit#3}
! 2579:
! 2580: \def\defmethparsebody #1#2#3#4 {\begingroup\inENV %
! 2581: \medbreak %
! 2582: % Define the end token that this defining construct specifies
! 2583: % so that it will exit this group.
! 2584: \def#1{\endgraf\endgroup\medbreak}%
! 2585: \def#2##1 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}}}%
! 2586: \parindent=0in
! 2587: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 2588: \exdentamount=\defbodyindent
! 2589: \begingroup\obeylines\activeparens\spacesplit{#3{#4}}}
! 2590:
! 2591: \def\defopparsebody #1#2#3#4#5 {\begingroup\inENV %
! 2592: \medbreak %
! 2593: % Define the end token that this defining construct specifies
! 2594: % so that it will exit this group.
! 2595: \def#1{\endgraf\endgroup\medbreak}%
! 2596: \def#2##1 ##2 {\def#4{##1}%
! 2597: \begingroup\obeylines\activeparens\spacesplit{#3{##2}}}%
! 2598: \parindent=0in
! 2599: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 2600: \exdentamount=\defbodyindent
! 2601: \begingroup\obeylines\activeparens\spacesplit{#3{#5}}}
! 2602:
! 2603: % These parsing functions are similar to the preceding ones
! 2604: % except that they do not make parens into active characters.
! 2605: % These are used for "variables" since they have no arguments.
! 2606:
! 2607: \def\defvarparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
! 2608: \medbreak %
! 2609: % Define the end token that this defining construct specifies
! 2610: % so that it will exit this group.
! 2611: \def#1{\endgraf\endgroup\medbreak}%
! 2612: \def#2{\begingroup\obeylines\spacesplit#3}%
! 2613: \parindent=0in
! 2614: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 2615: \exdentamount=\defbodyindent
! 2616: \begingroup %
! 2617: \catcode 61=\active %
! 2618: \obeylines\spacesplit#3}
! 2619:
! 2620: \def\defvrparsebody #1#2#3#4 {\begingroup\inENV %
! 2621: \medbreak %
! 2622: % Define the end token that this defining construct specifies
! 2623: % so that it will exit this group.
! 2624: \def#1{\endgraf\endgroup\medbreak}%
! 2625: \def#2##1 {\begingroup\obeylines\spacesplit{#3{##1}}}%
! 2626: \parindent=0in
! 2627: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 2628: \exdentamount=\defbodyindent
! 2629: \begingroup\obeylines\spacesplit{#3{#4}}}
! 2630:
! 2631: \def\defopvarparsebody #1#2#3#4#5 {\begingroup\inENV %
! 2632: \medbreak %
! 2633: % Define the end token that this defining construct specifies
! 2634: % so that it will exit this group.
! 2635: \def#1{\endgraf\endgroup\medbreak}%
! 2636: \def#2##1 ##2 {\def#4{##1}%
! 2637: \begingroup\obeylines\spacesplit{#3{##2}}}%
! 2638: \parindent=0in
! 2639: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 2640: \exdentamount=\defbodyindent
! 2641: \begingroup\obeylines\spacesplit{#3{#5}}}
! 2642:
! 2643: % Split up #2 at the first space token.
! 2644: % call #1 with two arguments:
! 2645: % the first is all of #2 before the space token,
! 2646: % the second is all of #2 after that space token.
! 2647: % If #2 contains no space token, all of it is passed as the first arg
! 2648: % and the second is passed as empty.
! 2649:
! 2650: {\obeylines
! 2651: \gdef\spacesplit#1#2^^M{\endgroup\spacesplitfoo{#1}#2 \relax\spacesplitfoo}%
! 2652: \long\gdef\spacesplitfoo#1#2 #3#4\spacesplitfoo{%
! 2653: \ifx\relax #3%
! 2654: #1{#2}{}\else #1{#2}{#3#4}\fi}}
! 2655:
! 2656: % So much for the things common to all kinds of definitions.
! 2657:
! 2658: % Define @defun.
! 2659:
! 2660: % First, define the processing that is wanted for arguments of \defun
! 2661: % Use this to expand the args and terminate the paragraph they make up
! 2662:
! 2663: \def\defunargs #1{\functionparens \sl
! 2664: % Expand, preventing hyphenation at `-' chars.
! 2665: % Note that groups don't affect changes in \hyphenchar.
! 2666: \hyphenchar\tensl=0
! 2667: #1%
! 2668: \hyphenchar\tensl=45
! 2669: \ifnum\parencount=0 \else \errmessage{unbalanced parens in @def arguments}\fi%
! 2670: \interlinepenalty=10000
! 2671: \advance\rightskip by 0pt plus 1fil
! 2672: \endgraf\penalty 10000\vskip -\parskip\penalty 10000%
! 2673: }
! 2674:
! 2675: \def\deftypefunargs #1{%
! 2676: % Expand, preventing hyphenation at `-' chars.
! 2677: % Note that groups don't affect changes in \hyphenchar.
! 2678: \functionparens
! 2679: \code{#1}%
! 2680: \interlinepenalty=10000
! 2681: \advance\rightskip by 0pt plus 1fil
! 2682: \endgraf\penalty 10000\vskip -\parskip\penalty 10000%
! 2683: }
! 2684:
! 2685: % Do complete processing of one @defun or @defunx line already parsed.
! 2686:
! 2687: % @deffn Command forward-char nchars
! 2688:
! 2689: \def\deffn{\defmethparsebody\Edeffn\deffnx\deffnheader}
! 2690:
! 2691: \def\deffnheader #1#2#3{\doind {fn}{\code{#2}}%
! 2692: \begingroup\defname {#2}{#1}\defunargs{#3}\endgroup %
! 2693: \catcode 61=\other % Turn off change made in \defparsebody
! 2694: }
! 2695:
! 2696: % @defun == @deffn Function
! 2697:
! 2698: \def\defun{\defparsebody\Edefun\defunx\defunheader}
! 2699:
! 2700: \def\defunheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
! 2701: \begingroup\defname {#1}{Function}%
! 2702: \defunargs {#2}\endgroup %
! 2703: \catcode 61=\other % Turn off change made in \defparsebody
! 2704: }
! 2705:
! 2706: % @deftypefun int foobar (int @var{foo}, float @var{bar})
! 2707:
! 2708: \def\deftypefun{\defparsebody\Edeftypefun\deftypefunx\deftypefunheader}
! 2709:
! 2710: % #1 is the data type. #2 is the name and args.
! 2711: \def\deftypefunheader #1#2{\deftypefunheaderx{#1}#2 \relax}
! 2712: % #1 is the data type, #2 the name, #3 the args.
! 2713: \def\deftypefunheaderx #1#2 #3\relax{%
! 2714: \doind {fn}{\code{#2}}% Make entry in function index
! 2715: \begingroup\defname {\code{#1} #2}{Function}%
! 2716: \deftypefunargs {#3}\endgroup %
! 2717: \catcode 61=\other % Turn off change made in \defparsebody
! 2718: }
! 2719:
! 2720: % @deftypefn {Library Function} int foobar (int @var{foo}, float @var{bar})
! 2721:
! 2722: \def\deftypefn{\defmethparsebody\Edeftypefn\deftypefnx\deftypefnheader}
! 2723:
! 2724: % #1 is the classification. #2 is the data type. #3 is the name and args.
! 2725: \def\deftypefnheader #1#2#3{\deftypefnheaderx{#1}{#2}#3 \relax}
! 2726: % #1 is the classification, #2 the data type, #3 the name, #4 the args.
! 2727: \def\deftypefnheaderx #1#2#3 #4\relax{%
! 2728: \doind {fn}{\code{#3}}% Make entry in function index
! 2729: \begingroup\defname {\code{#2} #3}{#1}%
! 2730: \deftypefunargs {#4}\endgroup %
! 2731: \catcode 61=\other % Turn off change made in \defparsebody
! 2732: }
! 2733:
! 2734: % @defmac == @deffn Macro
! 2735:
! 2736: \def\defmac{\defparsebody\Edefmac\defmacx\defmacheader}
! 2737:
! 2738: \def\defmacheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
! 2739: \begingroup\defname {#1}{Macro}%
! 2740: \defunargs {#2}\endgroup %
! 2741: \catcode 61=\other % Turn off change made in \defparsebody
! 2742: }
! 2743:
! 2744: % @defspec == @deffn Special Form
! 2745:
! 2746: \def\defspec{\defparsebody\Edefspec\defspecx\defspecheader}
! 2747:
! 2748: \def\defspecheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
! 2749: \begingroup\defname {#1}{Special Form}%
! 2750: \defunargs {#2}\endgroup %
! 2751: \catcode 61=\other % Turn off change made in \defparsebody
! 2752: }
! 2753:
! 2754: % This definition is run if you use @defunx
! 2755: % anywhere other than immediately after a @defun or @defunx.
! 2756:
! 2757: \def\deffnx #1 {\errmessage{@deffnx in invalid context}}
! 2758: \def\defunx #1 {\errmessage{@defunx in invalid context}}
! 2759: \def\defmacx #1 {\errmessage{@defmacx in invalid context}}
! 2760: \def\defspecx #1 {\errmessage{@defspecx in invalid context}}
! 2761: \def\deftypefnx #1 {\errmessage{@deftypefnx in invalid context}}
! 2762: \def\deftypeunx #1 {\errmessage{@deftypeunx in invalid context}}
! 2763:
! 2764: % @defmethod, and so on
! 2765:
! 2766: % @defop {Funny Method} foo-class frobnicate argument
! 2767:
! 2768: \def\defop #1 {\def\defoptype{#1}%
! 2769: \defopparsebody\Edefop\defopx\defopheader\defoptype}
! 2770:
! 2771: \def\defopheader #1#2#3{%
! 2772: \dosubind {fn}{\code{#2}}{on #1}% Make entry in function index
! 2773: \begingroup\defname {#2}{\defoptype{} on #1}%
! 2774: \defunargs {#3}\endgroup %
! 2775: }
! 2776:
! 2777: % @defmethod == @defop Method
! 2778:
! 2779: \def\defmethod{\defmethparsebody\Edefmethod\defmethodx\defmethodheader}
! 2780:
! 2781: \def\defmethodheader #1#2#3{%
! 2782: \dosubind {fn}{\code{#2}}{on #1}% entry in function index
! 2783: \begingroup\defname {#2}{Method on #1}%
! 2784: \defunargs {#3}\endgroup %
! 2785: }
! 2786:
! 2787: % @defcv {Class Option} foo-class foo-flag
! 2788:
! 2789: \def\defcv #1 {\def\defcvtype{#1}%
! 2790: \defopvarparsebody\Edefcv\defcvx\defcvarheader\defcvtype}
! 2791:
! 2792: \def\defcvarheader #1#2#3{%
! 2793: \dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
! 2794: \begingroup\defname {#2}{\defcvtype{} of #1}%
! 2795: \defvarargs {#3}\endgroup %
! 2796: }
! 2797:
! 2798: % @defivar == @defcv {Instance Variable}
! 2799:
! 2800: \def\defivar{\defvrparsebody\Edefivar\defivarx\defivarheader}
! 2801:
! 2802: \def\defivarheader #1#2#3{%
! 2803: \dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
! 2804: \begingroup\defname {#2}{Instance Variable of #1}%
! 2805: \defvarargs {#3}\endgroup %
! 2806: }
! 2807:
! 2808: % These definitions are run if you use @defmethodx, etc.,
! 2809: % anywhere other than immediately after a @defmethod, etc.
! 2810:
! 2811: \def\defopx #1 {\errmessage{@defopx in invalid context}}
! 2812: \def\defmethodx #1 {\errmessage{@defmethodx in invalid context}}
! 2813: \def\defcvx #1 {\errmessage{@defcvx in invalid context}}
! 2814: \def\defivarx #1 {\errmessage{@defivarx in invalid context}}
! 2815:
! 2816: % Now @defvar
! 2817:
! 2818: % First, define the processing that is wanted for arguments of @defvar.
! 2819: % This is actually simple: just print them in roman.
! 2820: % This must expand the args and terminate the paragraph they make up
! 2821: \def\defvarargs #1{\normalparens #1%
! 2822: \interlinepenalty=10000
! 2823: \endgraf\penalty 10000\vskip -\parskip\penalty 10000}
! 2824:
! 2825: % @defvr Counter foo-count
! 2826:
! 2827: \def\defvr{\defvrparsebody\Edefvr\defvrx\defvrheader}
! 2828:
! 2829: \def\defvrheader #1#2#3{\doind {vr}{\code{#2}}%
! 2830: \begingroup\defname {#2}{#1}\defvarargs{#3}\endgroup}
! 2831:
! 2832: % @defvar == @defvr Variable
! 2833:
! 2834: \def\defvar{\defvarparsebody\Edefvar\defvarx\defvarheader}
! 2835:
! 2836: \def\defvarheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
! 2837: \begingroup\defname {#1}{Variable}%
! 2838: \defvarargs {#2}\endgroup %
! 2839: }
! 2840:
! 2841: % @defopt == @defvr {User Option}
! 2842:
! 2843: \def\defopt{\defvarparsebody\Edefopt\defoptx\defoptheader}
! 2844:
! 2845: \def\defoptheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
! 2846: \begingroup\defname {#1}{User Option}%
! 2847: \defvarargs {#2}\endgroup %
! 2848: }
! 2849:
! 2850: % @deftypevar int foobar
! 2851:
! 2852: \def\deftypevar{\defvarparsebody\Edeftypevar\deftypevarx\deftypevarheader}
! 2853:
! 2854: % #1 is the data type. #2 is the name.
! 2855: \def\deftypevarheader #1#2{%
! 2856: \doind {vr}{\code{#2}}% Make entry in variables index
! 2857: \begingroup\defname {\code{#1} #2}{Variable}%
! 2858: \interlinepenalty=10000
! 2859: \endgraf\penalty 10000\vskip -\parskip\penalty 10000
! 2860: \endgroup}
! 2861:
! 2862: % @deftypevr {Global Flag} int enable
! 2863:
! 2864: \def\deftypevr{\defvrparsebody\Edeftypevr\deftypevrx\deftypevrheader}
! 2865:
! 2866: \def\deftypevrheader #1#2#3{\doind {vr}{\code{#3}}%
! 2867: \begingroup\defname {\code{#2} #3}{#1}
! 2868: \interlinepenalty=10000
! 2869: \endgraf\penalty 10000\vskip -\parskip\penalty 10000
! 2870: \endgroup}
! 2871:
! 2872: % This definition is run if you use @defvarx
! 2873: % anywhere other than immediately after a @defvar or @defvarx.
! 2874:
! 2875: \def\defvrx #1 {\errmessage{@defvrx in invalid context}}
! 2876: \def\defvarx #1 {\errmessage{@defvarx in invalid context}}
! 2877: \def\defoptx #1 {\errmessage{@defoptx in invalid context}}
! 2878: \def\deftypevarx #1 {\errmessage{@deftypevarx in invalid context}}
! 2879: \def\deftypevrx #1 {\errmessage{@deftypevrx in invalid context}}
! 2880:
! 2881: % Now define @deftp
! 2882: % Args are printed in bold, a slight difference from @defvar.
! 2883:
! 2884: \def\deftpargs #1{\bf \defvarargs{#1}}
! 2885:
! 2886: % @deftp Class window height width ...
! 2887:
! 2888: \def\deftp{\defvrparsebody\Edeftp\deftpx\deftpheader}
! 2889:
! 2890: \def\deftpheader #1#2#3{\doind {tp}{\code{#2}}%
! 2891: \begingroup\defname {#2}{#1}\deftpargs{#3}\endgroup}
! 2892:
! 2893: % This definition is run if you use @deftpx, etc
! 2894: % anywhere other than immediately after a @deftp, etc.
! 2895:
! 2896: \def\deftpx #1 {\errmessage{@deftpx in invalid context}}
! 2897:
! 2898: \message{cross reference,}
! 2899: % Define cross-reference macros
! 2900: \newwrite \auxfile
! 2901:
! 2902: \newif\ifhavexrefs % True if xref values are known.
! 2903: \newif\ifwarnedxrefs % True if we warned once that they aren't known.
! 2904:
! 2905: % \setref{foo} defines a cross-reference point named foo.
! 2906:
! 2907: \def\setref#1{%
! 2908: %\dosetq{#1-title}{Ytitle}%
! 2909: \dosetq{#1-pg}{Ypagenumber}%
! 2910: \dosetq{#1-snt}{Ysectionnumberandtype}}
! 2911:
! 2912: \def\unnumbsetref#1{%
! 2913: %\dosetq{#1-title}{Ytitle}%
! 2914: \dosetq{#1-pg}{Ypagenumber}%
! 2915: \dosetq{#1-snt}{Ynothing}}
! 2916:
! 2917: \def\appendixsetref#1{%
! 2918: %\dosetq{#1-title}{Ytitle}%
! 2919: \dosetq{#1-pg}{Ypagenumber}%
! 2920: \dosetq{#1-snt}{Yappendixletterandtype}}
! 2921:
! 2922: % \xref, \pxref, and \ref generate cross-references to specified points.
! 2923: % For \xrefX, #1 is the node name, #2 the name of the Info
! 2924: % cross-reference, #3 the printed node name, #4 the name of the Info
! 2925: % file, #5 the name of the printed manual. All but the node name can be
! 2926: % omitted.
! 2927: %
! 2928: \def\pxref#1{see \xrefX[#1,,,,,,,]}
! 2929: \def\xref#1{See \xrefX[#1,,,,,,,]}
! 2930: \def\ref#1{\xrefX[#1,,,,,,,]}
! 2931: \def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup%
! 2932: \def\printedmanual{\ignorespaces #5}%
! 2933: \def\printednodename{\ignorespaces #3}%
! 2934: %
! 2935: \setbox1=\hbox{\printedmanual}%
! 2936: \setbox0=\hbox{\printednodename}%
! 2937: \ifdim \wd0=0pt%
! 2938: \def\printednodename{\ignorespaces #1}%
! 2939: %%% Uncommment the following line to make the actual chapter or section title
! 2940: %%% appear inside the square brackets.
! 2941: %\def\printednodename{#1-title}%
! 2942: \fi%
! 2943: %
! 2944: %
! 2945: % If we use \unhbox0 and \unhbox1 to print the node names, TeX does
! 2946: % not insert empty discretionaries after hyphens, which means that it
! 2947: % will not find a line break at a hyphen in a node names. Since some
! 2948: % manuals are best written with fairly long node names, containing
! 2949: % hyphens, this is a loss. Therefore, we simply give the text of
! 2950: % the node name again, so it is as if TeX is seeing it for the first
! 2951: % time.
! 2952: \ifdim \wd1>0pt
! 2953: section ``\printednodename'' in \cite{\printedmanual}%
! 2954: \else%
! 2955: \turnoffactive%
! 2956: \refx{#1-snt}{} [\printednodename], page\tie\refx{#1-pg}{}%
! 2957: \fi
! 2958: \endgroup}
! 2959:
! 2960: % \dosetq is the interface for calls from other macros
! 2961:
! 2962: % Use \turnoffactive so that punctuation chars such as underscore
! 2963: % work in node names.
! 2964: \def\dosetq #1#2{{\let\folio=0 \turnoffactive%
! 2965: \edef\next{\write\auxfile{\internalsetq {#1}{#2}}}%
! 2966: \next}}
! 2967:
! 2968: % \internalsetq {foo}{page} expands into
! 2969: % CHARACTERS 'xrdef {foo}{...expansion of \Ypage...}
! 2970: % When the aux file is read, ' is the escape character
! 2971:
! 2972: \def\internalsetq #1#2{'xrdef {#1}{\csname #2\endcsname}}
! 2973:
! 2974: % Things to be expanded by \internalsetq
! 2975:
! 2976: \def\Ypagenumber{\folio}
! 2977:
! 2978: \def\Ytitle{\thischapter}
! 2979:
! 2980: \def\Ynothing{}
! 2981:
! 2982: \def\Ysectionnumberandtype{%
! 2983: \ifnum\secno=0 Chapter\xreftie\the\chapno %
! 2984: \else \ifnum \subsecno=0 Section\xreftie\the\chapno.\the\secno %
! 2985: \else \ifnum \subsubsecno=0 %
! 2986: Section\xreftie\the\chapno.\the\secno.\the\subsecno %
! 2987: \else %
! 2988: Section\xreftie\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno %
! 2989: \fi \fi \fi }
! 2990:
! 2991: \def\Yappendixletterandtype{%
! 2992: \ifnum\secno=0 Appendix\xreftie'char\the\appendixno{}%
! 2993: \else \ifnum \subsecno=0 Section\xreftie'char\the\appendixno.\the\secno %
! 2994: \else \ifnum \subsubsecno=0 %
! 2995: Section\xreftie'char\the\appendixno.\the\secno.\the\subsecno %
! 2996: \else %
! 2997: Section\xreftie'char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno %
! 2998: \fi \fi \fi }
! 2999:
! 3000: \gdef\xreftie{'tie}
! 3001:
! 3002: % Use TeX 3.0's \inputlineno to get the line number, for better error
! 3003: % messages, but if we're using an old version of TeX, don't do anything.
! 3004: %
! 3005: \ifx\inputlineno\thisisundefined
! 3006: \let\linenumber = \empty % Non-3.0.
! 3007: \else
! 3008: \def\linenumber{\the\inputlineno:\space}
! 3009: \fi
! 3010:
! 3011: % Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME.
! 3012: % If its value is nonempty, SUFFIX is output afterward.
! 3013:
! 3014: \def\refx#1#2{%
! 3015: \expandafter\ifx\csname X#1\endcsname\relax
! 3016: % If not defined, say something at least.
! 3017: $\langle$un\-de\-fined$\rangle$%
! 3018: \ifhavexrefs
! 3019: \message{\linenumber Undefined cross reference `#1'.}%
! 3020: \else
! 3021: \ifwarnedxrefs\else
! 3022: \global\warnedxrefstrue
! 3023: \message{Cross reference values unknown; you must run TeX again.}%
! 3024: \fi
! 3025: \fi
! 3026: \else
! 3027: % It's defined, so just use it.
! 3028: \csname X#1\endcsname
! 3029: \fi
! 3030: #2% Output the suffix in any case.
! 3031: }
! 3032:
! 3033: % Read the last existing aux file, if any. No error if none exists.
! 3034:
! 3035: % This is the macro invoked by entries in the aux file.
! 3036: \def\xrdef #1#2{
! 3037: {\catcode`\'=\other\expandafter \gdef \csname X#1\endcsname {#2}}}
! 3038:
! 3039: \def\readauxfile{%
! 3040: \begingroup
! 3041: \catcode `\^^@=\other
! 3042: \catcode `\&=\other
! 3043: \catcode `\=\other
! 3044: \catcode `\^^C=\other
! 3045: \catcode `\^^D=\other
! 3046: \catcode `\^^E=\other
! 3047: \catcode `\^^F=\other
! 3048: \catcode `\^^G=\other
! 3049: \catcode `\^^H=\other
! 3050: \catcode `\ =\other
! 3051: \catcode `\^^L=\other
! 3052: \catcode `\=\other
! 3053: \catcode `\=\other
! 3054: \catcode `\=\other
! 3055: \catcode `\=\other
! 3056: \catcode `\=\other
! 3057: \catcode `\=\other
! 3058: \catcode `\=\other
! 3059: \catcode `\=\other
! 3060: \catcode `\=\other
! 3061: \catcode `\=\other
! 3062: \catcode `\=\other
! 3063: \catcode `\=\other
! 3064: \catcode 26=\other
! 3065: \catcode `\^^[=\other
! 3066: \catcode `\^^\=\other
! 3067: \catcode `\^^]=\other
! 3068: \catcode `\^^^=\other
! 3069: \catcode `\^^_=\other
! 3070: \catcode `\@=\other
! 3071: \catcode `\^=\other
! 3072: \catcode `\~=\other
! 3073: \catcode `\[=\other
! 3074: \catcode `\]=\other
! 3075: \catcode`\"=\other
! 3076: \catcode`\_=\other
! 3077: \catcode`\|=\other
! 3078: \catcode`\<=\other
! 3079: \catcode`\>=\other
! 3080: \catcode `\$=\other
! 3081: \catcode `\#=\other
! 3082: \catcode `\&=\other
! 3083: % the aux file uses ' as the escape.
! 3084: % Turn off \ as an escape so we do not lose on
! 3085: % entries which were dumped with control sequences in their names.
! 3086: % For example, 'xrdef {$\leq $-fun}{page ...} made by @defun ^^
! 3087: % Reference to such entries still does not work the way one would wish,
! 3088: % but at least they do not bomb out when the aux file is read in.
! 3089: \catcode `\{=1 \catcode `\}=2
! 3090: \catcode `\%=\other
! 3091: \catcode `\'=0
! 3092: \catcode `\\=\other
! 3093: \openin 1 \jobname.aux
! 3094: \ifeof 1 \else \closein 1 \input \jobname.aux \global\havexrefstrue
! 3095: \fi
! 3096: % Open the new aux file. Tex will close it automatically at exit.
! 3097: \openout \auxfile=\jobname.aux
! 3098: \endgroup}
! 3099:
! 3100:
! 3101: % Footnotes.
! 3102:
! 3103: \newcount \footnoteno
! 3104:
! 3105: % The trailing space in the following definition for supereject is
! 3106: % vital for proper filling; pages come out unaligned when you do a
! 3107: % pagealignmacro call if that space before the closing brace is
! 3108: % removed.
! 3109: \def\supereject{\par\penalty -20000\footnoteno =0 }
! 3110:
! 3111: % @footnotestyle is meaningful for info output only..
! 3112: \let\footnotestyle=\comment
! 3113:
! 3114: \let\ptexfootnote=\footnote
! 3115:
! 3116: {\catcode `\@=11
! 3117: \long\gdef\footnote #1{\global\advance \footnoteno by \@ne
! 3118: \unskip
! 3119: \edef\thisfootno{$^{\the\footnoteno}$}%
! 3120: \let\@sf\empty
! 3121: \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\/\fi
! 3122: \thisfootno\@sf \footnotezzz{#1}}
! 3123: % \parsearg\footnotezzz}
! 3124:
! 3125: \long\gdef\footnotezzz #1{\insert\footins{
! 3126: \interlinepenalty\interfootnotelinepenalty
! 3127: \splittopskip\ht\strutbox % top baseline for broken footnotes
! 3128: \splitmaxdepth\dp\strutbox \floatingpenalty\@MM
! 3129: \leftskip\z@skip \rightskip\z@skip \spaceskip\z@skip \xspaceskip\z@skip
! 3130: \footstrut\parindent=\defaultparindent\hang\textindent{\thisfootno}#1\strut}}
! 3131:
! 3132: }%end \catcode `\@=11
! 3133:
! 3134: % End of control word definitions.
! 3135:
! 3136: \message{and turning on texinfo input format.}
! 3137:
! 3138: \def\openindices{%
! 3139: \newindex{cp}%
! 3140: \newcodeindex{fn}%
! 3141: \newcodeindex{vr}%
! 3142: \newcodeindex{tp}%
! 3143: \newcodeindex{ky}%
! 3144: \newcodeindex{pg}%
! 3145: }
! 3146:
! 3147: % Set some numeric style parameters, for 8.5 x 11 format.
! 3148:
! 3149: %\hsize = 6.5in
! 3150: \newdimen\defaultparindent \defaultparindent = 15pt
! 3151: \parindent = \defaultparindent
! 3152: \parskip 18pt plus 1pt
! 3153: \baselineskip 15pt
! 3154: \advance\topskip by 1.2cm
! 3155:
! 3156: % Prevent underfull vbox error messages.
! 3157: \vbadness=10000
! 3158:
! 3159: % Following George Bush, just get rid of widows and orphans.
! 3160: \widowpenalty=10000
! 3161: \clubpenalty=10000
! 3162:
! 3163: % Use TeX 3.0's \emergencystretch to help line breaking, but if we're
! 3164: % using an old version of TeX, don't do anything. We want the amount of
! 3165: % stretch added to depend on the line length, hence the dependence on
! 3166: % \hsize. This makes it come to about 9pt for the 8.5x11 format.
! 3167: %
! 3168: \ifx\emergencystretch\thisisundefined \else
! 3169: \emergencystretch = \hsize
! 3170: \divide\emergencystretch by 45
! 3171: \fi
! 3172:
! 3173: % Use @smallbook to reset parameters for 7x9.5 format (or else 7x9.25)
! 3174: \def\smallbook{
! 3175: \global\lispnarrowing = 0.3in
! 3176: \global\baselineskip 12pt
! 3177: \advance\topskip by -1cm
! 3178: \global\parskip 3pt plus 1pt
! 3179: \global\hsize = 5in
! 3180: \global\doublecolumnhsize=2.4in \global\doublecolumnvsize=15.0in
! 3181: \global\vsize=7.5in
! 3182: \global\tolerance=700
! 3183: \global\hfuzz=1pt
! 3184: \global\contentsrightmargin=0pt
! 3185:
! 3186: \global\pagewidth=\hsize
! 3187: \global\pageheight=\vsize
! 3188:
! 3189: \global\let\smalllisp=\smalllispx
! 3190: \global\let\smallexample=\smalllispx
! 3191: \global\def\Esmallexample{\Esmalllisp}
! 3192: }
! 3193:
! 3194: % Use @afourpaper to print on European A4 paper.
! 3195: \def\afourpaper{
! 3196: \global\tolerance=700
! 3197: \global\hfuzz=1pt
! 3198: \global\baselineskip=12pt
! 3199: \global\parskip 15pt plus 1pt
! 3200:
! 3201: \global\vsize= 53\baselineskip
! 3202: \advance\vsize by \topskip
! 3203: %\global\hsize= 5.85in % A4 wide 10pt
! 3204: \global\hsize= 6.5in
! 3205: \global\outerhsize=\hsize
! 3206: \global\advance\outerhsize by 0.5in
! 3207: \global\outervsize=\vsize
! 3208: \global\advance\outervsize by 0.6in
! 3209: \global\doublecolumnhsize=\hsize
! 3210: \global\divide\doublecolumnhsize by 2
! 3211: \global\advance\doublecolumnhsize by -0.1in
! 3212: \global\doublecolumnvsize=\vsize
! 3213: \global\multiply\doublecolumnvsize by 2
! 3214: \global\advance\doublecolumnvsize by 0.1in
! 3215:
! 3216: \global\pagewidth=\hsize
! 3217: \global\pageheight=\vsize
! 3218: }
! 3219:
! 3220: %% For a final copy, take out the rectangles
! 3221: %% that mark overfull boxes (in case you have decided
! 3222: %% that the text looks ok even though it passes the margin).
! 3223: \def\finalout{\overfullrule=0pt}
! 3224:
! 3225: % Define macros to output various characters with catcode for normal text.
! 3226: \catcode`\"=\other
! 3227: \catcode`\~=\other
! 3228: \catcode`\^=\other
! 3229: \catcode`\_=\other
! 3230: \catcode`\|=\other
! 3231: \catcode`\<=\other
! 3232: \catcode`\>=\other
! 3233: \catcode`\+=\other
! 3234: \def\normaldoublequote{"}
! 3235: \def\normaltilde{~}
! 3236: \def\normalcaret{^}
! 3237: \def\normalunderscore{_}
! 3238: \def\normalverticalbar{|}
! 3239: \def\normalless{<}
! 3240: \def\normalgreater{>}
! 3241: \def\normalplus{+}
! 3242:
! 3243: % This macro is used to make a character print one way in ttfont
! 3244: % where it can probably just be output, and another way in other fonts,
! 3245: % where something hairier probably needs to be done.
! 3246: %
! 3247: % #1 is what to print if we are indeed using \tt; #2 is what to print
! 3248: % otherwise. Since all the Computer Modern typewriter fonts have zero
! 3249: % interword stretch (and shrink), and it is reasonable to expect all
! 3250: % typewriter fonts to have this, we can check that font parameter.
! 3251: %
! 3252: \def\ifusingtt#1#2{\ifdim \fontdimen3\the\font=0pt #1\else #2\fi}
! 3253:
! 3254: % Turn off all special characters except @
! 3255: % (and those which the user can use as if they were ordinary).
! 3256: % Most of these we simply print from the \tt font, but for some, we can
! 3257: % use math or other variants that look better in normal text.
! 3258:
! 3259: \catcode`\"=\active
! 3260: \def\activedoublequote{{\tt \char '042}}
! 3261: \let"=\activedoublequote
! 3262: \catcode`\~=\active
! 3263: \def~{{\tt \char '176}}
! 3264: \chardef\hat=`\^
! 3265: \catcode`\^=\active
! 3266: \def^{{\tt \hat}}
! 3267:
! 3268: \catcode`\_=\active
! 3269: \def_{\ifusingtt\normalunderscore\_}
! 3270: % Subroutine for the previous macro.
! 3271: \def\_{\lvvmode \kern.06em \vbox{\hrule width.3em height.1ex}}
! 3272:
! 3273: % \lvvmode is equivalent in function to \leavevmode.
! 3274: % Using \leavevmode runs into trouble when written out to
! 3275: % an index file due to the expansion of \leavevmode into ``\unhbox
! 3276: % \voidb@x'' ---which looks to TeX like ``\unhbox \voidb\x'' due to our
! 3277: % magic tricks with @.
! 3278: \def\lvvmode{\vbox to 0pt{}}
! 3279:
! 3280: \catcode`\|=\active
! 3281: \def|{{\tt \char '174}}
! 3282: \chardef \less=`\<
! 3283: \catcode`\<=\active
! 3284: \def<{{\tt \less}}
! 3285: \chardef \gtr=`\>
! 3286: \catcode`\>=\active
! 3287: \def>{{\tt \gtr}}
! 3288: \catcode`\+=\active
! 3289: \def+{{\tt \char 43}}
! 3290: %\catcode 27=\active
! 3291: %\def^^[{$\diamondsuit$}
! 3292:
! 3293: % Used sometimes to turn off (effectively) the active characters
! 3294: % even after parsing them.
! 3295: \def\turnoffactive{\let"=\normaldoublequote
! 3296: \let~=\normaltilde
! 3297: \let^=\normalcaret
! 3298: \let_=\normalunderscore
! 3299: \let|=\normalverticalbar
! 3300: \let<=\normalless
! 3301: \let>=\normalgreater
! 3302: \let+=\normalplus}
! 3303:
! 3304: % Set up an active definition for =, but don't enable it most of the time.
! 3305: {\catcode`\==\active
! 3306: \global\def={{\tt \char 61}}}
! 3307:
! 3308: \catcode`\@=0
! 3309:
! 3310: % \rawbackslashxx output one backslash character in current font
! 3311: \global\chardef\rawbackslashxx=`\\
! 3312: %{\catcode`\\=\other
! 3313: %@gdef@rawbackslashxx{\}}
! 3314:
! 3315: % \rawbackslash redefines \ as input to do \rawbackslashxx.
! 3316: {\catcode`\\=\active
! 3317: @gdef@rawbackslash{@let\=@rawbackslashxx }}
! 3318:
! 3319: % \normalbackslash outputs one backslash in fixed width font.
! 3320: \def\normalbackslash{{\tt\rawbackslashxx}}
! 3321:
! 3322: % Say @foo, not \foo, in error messages.
! 3323: \escapechar=`\@
! 3324:
! 3325: % \catcode 17=0 % Define control-q
! 3326: \catcode`\\=\active
! 3327:
! 3328: % If a .fmt file is being used, we don't want the `\input texinfo' to show up.
! 3329: % That is what \eatinput is for; after that, the `\' should revert to printing
! 3330: % a backslash.
! 3331: %
! 3332: @gdef@eatinput input texinfo{@fixbackslash}
! 3333: @global@let\ = @eatinput
! 3334:
! 3335: % On the other hand, perhaps the file did not have a `\input texinfo'. Then
! 3336: % the first `\{ in the file would cause an error. This macro tries to fix
! 3337: % that, assuming it is called before the first `\' could plausibly occur.
! 3338: %
! 3339: @gdef@fixbackslash{@ifx\@eatinput @let\ = @normalbackslash @fi}
! 3340:
! 3341: %% These look ok in all fonts, so just make them not special. The @rm below
! 3342: %% makes sure that the current font starts out as the newly loaded cmr10
! 3343: @catcode`@$=@other @catcode`@%=@other @catcode`@&=@other @catcode`@#=@other
! 3344:
! 3345: @textfonts
! 3346: @rm
! 3347:
! 3348: @c Local variables:
! 3349: @c page-delimiter: "^\\\\message"
! 3350: @c End:
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