Annotation of OpenXM_contrib/gmp/texinfo.tex, Revision 1.1
1.1 ! maekawa 1: %% TeX macros to handle texinfo files
! 2:
! 3: % Copyright (C) 1985, 86, 88, 90, 91, 92, 93,
! 4: % 94, 95, 1996 Free Software Foundation, Inc.
! 5:
! 6: %This texinfo.tex file is free software; you can redistribute it and/or
! 7: %modify it under the terms of the GNU General Public License as
! 8: %published by the Free Software Foundation; either version 2, or (at
! 9: %your option) any later version.
! 10:
! 11: %This texinfo.tex file is distributed in the hope that it will be
! 12: %useful, but WITHOUT ANY WARRANTY; without even the implied warranty
! 13: %of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 14: %General Public License for more details.
! 15:
! 16: %You should have received a copy of the GNU General Public License
! 17: %along with this texinfo.tex file; see the file COPYING. If not, write
! 18: %to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
! 19: %Boston, MA 02111-1307, USA.
! 20:
! 21:
! 22: %In other words, you are welcome to use, share and improve this program.
! 23: %You are forbidden to forbid anyone else to use, share and improve
! 24: %what you give them. Help stamp out software-hoarding!
! 25:
! 26:
! 27: % Send bug reports to bug-texinfo@prep.ai.mit.edu.
! 28: % Please include a *precise* test case in each bug report.
! 29:
! 30:
! 31: % Make it possible to create a .fmt file just by loading this file:
! 32: % if the underlying format is not loaded, start by loading it now.
! 33: % Added by gildea November 1993.
! 34: \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
! 35:
! 36: % This automatically updates the version number based on RCS.
! 37: \def\deftexinfoversion$#1: #2 ${\def\texinfoversion{#2}}
! 38: \deftexinfoversion$Revision: 2.172 $
! 39: \message{Loading texinfo package [Version \texinfoversion]:}
! 40:
! 41: % If in a .fmt file, print the version number
! 42: % and turn on active characters that we couldn't do earlier because
! 43: % they might have appeared in the input file name.
! 44: \everyjob{\message{[Texinfo version \texinfoversion]}\message{}
! 45: \catcode`+=\active \catcode`\_=\active}
! 46:
! 47: % Save some parts of plain tex whose names we will redefine.
! 48:
! 49: \let\ptextilde=\~
! 50: \let\ptexlbrace=\{
! 51: \let\ptexrbrace=\}
! 52: \let\ptexdots=\dots
! 53: \let\ptexdot=\.
! 54: \let\ptexstar=\*
! 55: \let\ptexend=\end
! 56: \let\ptexbullet=\bullet
! 57: \let\ptexb=\b
! 58: \let\ptexc=\c
! 59: \let\ptexi=\i
! 60: \let\ptext=\t
! 61: \let\ptexl=\l
! 62: \let\ptexL=\L
! 63:
! 64: % Be sure we're in horizontal mode when doing a tie, since we make space
! 65: % equivalent to this in @example-like environments. Otherwise, a space
! 66: % at the beginning of a line will start with \penalty -- and
! 67: % since \penalty is valid in vertical mode, we'd end up putting the
! 68: % penalty on the vertical list instead of in the new paragraph.
! 69: {\catcode`@ = 11
! 70: % Avoid using \@M directly, because that causes trouble
! 71: % if the definition is written into an index file.
! 72: \global\let\tiepenalty = \@M
! 73: \gdef\tie{\leavevmode\penalty\tiepenalty\ }
! 74: }
! 75: \let\~ = \tie % And make it available as @~.
! 76:
! 77: \message{Basics,}
! 78: \chardef\other=12
! 79:
! 80: % If this character appears in an error message or help string, it
! 81: % starts a new line in the output.
! 82: \newlinechar = `^^J
! 83:
! 84: % Set up fixed words for English.
! 85: \ifx\putwordChapter\undefined{\gdef\putwordChapter{Chapter}}\fi%
! 86: \def\putwordInfo{Info}%
! 87: \ifx\putwordSee\undefined{\gdef\putwordSee{See}}\fi%
! 88: \ifx\putwordsee\undefined{\gdef\putwordsee{see}}\fi%
! 89: \ifx\putwordfile\undefined{\gdef\putwordfile{file}}\fi%
! 90: \ifx\putwordpage\undefined{\gdef\putwordpage{page}}\fi%
! 91: \ifx\putwordsection\undefined{\gdef\putwordsection{section}}\fi%
! 92: \ifx\putwordSection\undefined{\gdef\putwordSection{Section}}\fi%
! 93: \ifx\putwordTableofContents\undefined{\gdef\putwordTableofContents{Table of Contents}}\fi%
! 94: \ifx\putwordShortContents\undefined{\gdef\putwordShortContents{Short Contents}}\fi%
! 95: \ifx\putwordAppendix\undefined{\gdef\putwordAppendix{Appendix}}\fi%
! 96:
! 97: % Ignore a token.
! 98: %
! 99: \def\gobble#1{}
! 100:
! 101: \hyphenation{ap-pen-dix}
! 102: \hyphenation{mini-buf-fer mini-buf-fers}
! 103: \hyphenation{eshell}
! 104:
! 105: % Margin to add to right of even pages, to left of odd pages.
! 106: \newdimen \bindingoffset \bindingoffset=0pt
! 107: \newdimen \normaloffset \normaloffset=\hoffset
! 108: \newdimen\pagewidth \newdimen\pageheight
! 109: \pagewidth=\hsize \pageheight=\vsize
! 110:
! 111: % Sometimes it is convenient to have everything in the transcript file
! 112: % and nothing on the terminal. We don't just call \tracingall here,
! 113: % since that produces some useless output on the terminal.
! 114: %
! 115: \def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}%
! 116: \def\loggingall{\tracingcommands2 \tracingstats2
! 117: \tracingpages1 \tracingoutput1 \tracinglostchars1
! 118: \tracingmacros2 \tracingparagraphs1 \tracingrestores1
! 119: \showboxbreadth\maxdimen\showboxdepth\maxdimen
! 120: }%
! 121:
! 122: %---------------------Begin change-----------------------
! 123: %
! 124: %%%% For @cropmarks command.
! 125: % Dimensions to add cropmarks at corners Added by P. A. MacKay, 12 Nov. 1986
! 126: %
! 127: \newdimen\cornerlong \newdimen\cornerthick
! 128: \newdimen \topandbottommargin
! 129: \newdimen \outerhsize \newdimen \outervsize
! 130: \cornerlong=1pc\cornerthick=.3pt % These set size of cropmarks
! 131: \outerhsize=7in
! 132: %\outervsize=9.5in
! 133: % Alternative @smallbook page size is 9.25in
! 134: \outervsize=9.25in
! 135: \topandbottommargin=.75in
! 136: %
! 137: %---------------------End change-----------------------
! 138:
! 139: % \onepageout takes a vbox as an argument. Note that \pagecontents
! 140: % does insertions itself, but you have to call it yourself.
! 141: \chardef\PAGE=255 \output={\onepageout{\pagecontents\PAGE}}
! 142: \def\onepageout#1{\hoffset=\normaloffset
! 143: \ifodd\pageno \advance\hoffset by \bindingoffset
! 144: \else \advance\hoffset by -\bindingoffset\fi
! 145: {\escapechar=`\\\relax % makes sure backslash is used in output files.
! 146: \shipout\vbox{{\let\hsize=\pagewidth \makeheadline} \pagebody{#1}%
! 147: {\let\hsize=\pagewidth \makefootline}}}%
! 148: \advancepageno \ifnum\outputpenalty>-20000 \else\dosupereject\fi}
! 149:
! 150: %%%% For @cropmarks command %%%%
! 151:
! 152: % Here is a modification of the main output routine for Near East Publications
! 153: % This provides right-angle cropmarks at all four corners.
! 154: % The contents of the page are centerlined into the cropmarks,
! 155: % and any desired binding offset is added as an \hskip on either
! 156: % site of the centerlined box. (P. A. MacKay, 12 November, 1986)
! 157: %
! 158: \def\croppageout#1{\hoffset=0pt % make sure this doesn't mess things up
! 159: {\escapechar=`\\\relax % makes sure backslash is used in output files.
! 160: \shipout
! 161: \vbox to \outervsize{\hsize=\outerhsize
! 162: \vbox{\line{\ewtop\hfill\ewtop}}
! 163: \nointerlineskip
! 164: \line{\vbox{\moveleft\cornerthick\nstop}
! 165: \hfill
! 166: \vbox{\moveright\cornerthick\nstop}}
! 167: \vskip \topandbottommargin
! 168: \centerline{\ifodd\pageno\hskip\bindingoffset\fi
! 169: \vbox{
! 170: {\let\hsize=\pagewidth \makeheadline}
! 171: \pagebody{#1}
! 172: {\let\hsize=\pagewidth \makefootline}}
! 173: \ifodd\pageno\else\hskip\bindingoffset\fi}
! 174: \vskip \topandbottommargin plus1fill minus1fill
! 175: \boxmaxdepth\cornerthick
! 176: \line{\vbox{\moveleft\cornerthick\nsbot}
! 177: \hfill
! 178: \vbox{\moveright\cornerthick\nsbot}}
! 179: \nointerlineskip
! 180: \vbox{\line{\ewbot\hfill\ewbot}}
! 181: }}
! 182: \advancepageno
! 183: \ifnum\outputpenalty>-20000 \else\dosupereject\fi}
! 184: %
! 185: % Do @cropmarks to get crop marks
! 186: \def\cropmarks{\let\onepageout=\croppageout }
! 187:
! 188: \newinsert\margin \dimen\margin=\maxdimen
! 189:
! 190: \def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}}
! 191: {\catcode`\@ =11
! 192: \gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi
! 193: % marginal hacks, juha@viisa.uucp (Juha Takala)
! 194: \ifvoid\margin\else % marginal info is present
! 195: \rlap{\kern\hsize\vbox to\z@{\kern1pt\box\margin \vss}}\fi
! 196: \dimen@=\dp#1 \unvbox#1
! 197: \ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi
! 198: \ifr@ggedbottom \kern-\dimen@ \vfil \fi}
! 199: }
! 200:
! 201: %
! 202: % Here are the rules for the cropmarks. Note that they are
! 203: % offset so that the space between them is truly \outerhsize or \outervsize
! 204: % (P. A. MacKay, 12 November, 1986)
! 205: %
! 206: \def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong}
! 207: \def\nstop{\vbox
! 208: {\hrule height\cornerthick depth\cornerlong width\cornerthick}}
! 209: \def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong}
! 210: \def\nsbot{\vbox
! 211: {\hrule height\cornerlong depth\cornerthick width\cornerthick}}
! 212:
! 213: % Parse an argument, then pass it to #1. The argument is the rest of
! 214: % the input line (except we remove a trailing comment). #1 should be a
! 215: % macro which expects an ordinary undelimited TeX argument.
! 216: %
! 217: \def\parsearg#1{%
! 218: \let\next = #1%
! 219: \begingroup
! 220: \obeylines
! 221: \futurelet\temp\parseargx
! 222: }
! 223:
! 224: % If the next token is an obeyed space (from an @example environment or
! 225: % the like), remove it and recurse. Otherwise, we're done.
! 226: \def\parseargx{%
! 227: % \obeyedspace is defined far below, after the definition of \sepspaces.
! 228: \ifx\obeyedspace\temp
! 229: \expandafter\parseargdiscardspace
! 230: \else
! 231: \expandafter\parseargline
! 232: \fi
! 233: }
! 234:
! 235: % Remove a single space (as the delimiter token to the macro call).
! 236: {\obeyspaces %
! 237: \gdef\parseargdiscardspace {\futurelet\temp\parseargx}}
! 238:
! 239: {\obeylines %
! 240: \gdef\parseargline#1^^M{%
! 241: \endgroup % End of the group started in \parsearg.
! 242: %
! 243: % First remove any @c comment, then any @comment.
! 244: % Result of each macro is put in \toks0.
! 245: \argremovec #1\c\relax %
! 246: \expandafter\argremovecomment \the\toks0 \comment\relax %
! 247: %
! 248: % Call the caller's macro, saved as \next in \parsearg.
! 249: \expandafter\next\expandafter{\the\toks0}%
! 250: }%
! 251: }
! 252:
! 253: % Since all \c{,omment} does is throw away the argument, we can let TeX
! 254: % do that for us. The \relax here is matched by the \relax in the call
! 255: % in \parseargline; it could be more or less anything, its purpose is
! 256: % just to delimit the argument to the \c.
! 257: \def\argremovec#1\c#2\relax{\toks0 = {#1}}
! 258: \def\argremovecomment#1\comment#2\relax{\toks0 = {#1}}
! 259:
! 260: % \argremovec{,omment} might leave us with trailing spaces, though; e.g.,
! 261: % @end itemize @c foo
! 262: % will have two active spaces as part of the argument with the
! 263: % `itemize'. Here we remove all active spaces from #1, and assign the
! 264: % result to \toks0.
! 265: %
! 266: % This loses if there are any *other* active characters besides spaces
! 267: % in the argument -- _ ^ +, for example -- since they get expanded.
! 268: % Fortunately, Texinfo does not define any such commands. (If it ever
! 269: % does, the catcode of the characters in questionwill have to be changed
! 270: % here.) But this means we cannot call \removeactivespaces as part of
! 271: % \argremovec{,omment}, since @c uses \parsearg, and thus the argument
! 272: % that \parsearg gets might well have any character at all in it.
! 273: %
! 274: \def\removeactivespaces#1{%
! 275: \begingroup
! 276: \ignoreactivespaces
! 277: \edef\temp{#1}%
! 278: \global\toks0 = \expandafter{\temp}%
! 279: \endgroup
! 280: }
! 281:
! 282: % Change the active space to expand to nothing.
! 283: %
! 284: \begingroup
! 285: \obeyspaces
! 286: \gdef\ignoreactivespaces{\obeyspaces\let =\empty}
! 287: \endgroup
! 288:
! 289:
! 290: \def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next}
! 291:
! 292: %% These are used to keep @begin/@end levels from running away
! 293: %% Call \inENV within environments (after a \begingroup)
! 294: \newif\ifENV \ENVfalse \def\inENV{\ifENV\relax\else\ENVtrue\fi}
! 295: \def\ENVcheck{%
! 296: \ifENV\errmessage{Still within an environment. Type Return to continue.}
! 297: \endgroup\fi} % This is not perfect, but it should reduce lossage
! 298:
! 299: % @begin foo is the same as @foo, for now.
! 300: \newhelp\EMsimple{Type <Return> to continue.}
! 301:
! 302: \outer\def\begin{\parsearg\beginxxx}
! 303:
! 304: \def\beginxxx #1{%
! 305: \expandafter\ifx\csname #1\endcsname\relax
! 306: {\errhelp=\EMsimple \errmessage{Undefined command @begin #1}}\else
! 307: \csname #1\endcsname\fi}
! 308:
! 309: % @end foo executes the definition of \Efoo.
! 310: %
! 311: \def\end{\parsearg\endxxx}
! 312: \def\endxxx #1{%
! 313: \removeactivespaces{#1}%
! 314: \edef\endthing{\the\toks0}%
! 315: %
! 316: \expandafter\ifx\csname E\endthing\endcsname\relax
! 317: \expandafter\ifx\csname \endthing\endcsname\relax
! 318: % There's no \foo, i.e., no ``environment'' foo.
! 319: \errhelp = \EMsimple
! 320: \errmessage{Undefined command `@end \endthing'}%
! 321: \else
! 322: \unmatchedenderror\endthing
! 323: \fi
! 324: \else
! 325: % Everything's ok; the right environment has been started.
! 326: \csname E\endthing\endcsname
! 327: \fi
! 328: }
! 329:
! 330: % There is an environment #1, but it hasn't been started. Give an error.
! 331: %
! 332: \def\unmatchedenderror#1{%
! 333: \errhelp = \EMsimple
! 334: \errmessage{This `@end #1' doesn't have a matching `@#1'}%
! 335: }
! 336:
! 337: % Define the control sequence \E#1 to give an unmatched @end error.
! 338: %
! 339: \def\defineunmatchedend#1{%
! 340: \expandafter\def\csname E#1\endcsname{\unmatchedenderror{#1}}%
! 341: }
! 342:
! 343:
! 344: % Single-spacing is done by various environments (specifically, in
! 345: % \nonfillstart and \quotations).
! 346: \newskip\singlespaceskip \singlespaceskip = 12.5pt
! 347: \def\singlespace{%
! 348: % Why was this kern here? It messes up equalizing space above and below
! 349: % environments. --karl, 6may93
! 350: %{\advance \baselineskip by -\singlespaceskip
! 351: %\kern \baselineskip}%
! 352: \setleading \singlespaceskip
! 353: }
! 354:
! 355: %% Simple single-character @ commands
! 356:
! 357: % @@ prints an @
! 358: % Kludge this until the fonts are right (grr).
! 359: \def\@{{\tt \char '100}}
! 360:
! 361: % This is turned off because it was never documented
! 362: % and you can use @w{...} around a quote to suppress ligatures.
! 363: %% Define @` and @' to be the same as ` and '
! 364: %% but suppressing ligatures.
! 365: %\def\`{{`}}
! 366: %\def\'{{'}}
! 367:
! 368: % Used to generate quoted braces.
! 369:
! 370: \def\mylbrace {{\tt \char '173}}
! 371: \def\myrbrace {{\tt \char '175}}
! 372: \let\{=\mylbrace
! 373: \let\}=\myrbrace
! 374:
! 375: % @: forces normal size whitespace following.
! 376: \def\:{\spacefactor=1000 }
! 377:
! 378: % @* forces a line break.
! 379: \def\*{\hfil\break\hbox{}\ignorespaces}
! 380:
! 381: % @. is an end-of-sentence period.
! 382: \def\.{.\spacefactor=3000 }
! 383:
! 384: % @enddots{} is an end-of-sentence ellipsis.
! 385: \gdef\enddots{$\mathinner{\ldotp\ldotp\ldotp\ldotp}$\spacefactor=3000}
! 386:
! 387: % @! is an end-of-sentence bang.
! 388: \gdef\!{!\spacefactor=3000 }
! 389:
! 390: % @? is an end-of-sentence query.
! 391: \gdef\?{?\spacefactor=3000 }
! 392:
! 393: % @w prevents a word break. Without the \leavevmode, @w at the
! 394: % beginning of a paragraph, when TeX is still in vertical mode, would
! 395: % produce a whole line of output instead of starting the paragraph.
! 396: \def\w#1{\leavevmode\hbox{#1}}
! 397:
! 398: % @group ... @end group forces ... to be all on one page, by enclosing
! 399: % it in a TeX vbox. We use \vtop instead of \vbox to construct the box
! 400: % to keep its height that of a normal line. According to the rules for
! 401: % \topskip (p.114 of the TeXbook), the glue inserted is
! 402: % max (\topskip - \ht (first item), 0). If that height is large,
! 403: % therefore, no glue is inserted, and the space between the headline and
! 404: % the text is small, which looks bad.
! 405: %
! 406: \def\group{\begingroup
! 407: \ifnum\catcode13=\active \else
! 408: \errhelp = \groupinvalidhelp
! 409: \errmessage{@group invalid in context where filling is enabled}%
! 410: \fi
! 411: %
! 412: % The \vtop we start below produces a box with normal height and large
! 413: % depth; thus, TeX puts \baselineskip glue before it, and (when the
! 414: % next line of text is done) \lineskip glue after it. (See p.82 of
! 415: % the TeXbook.) Thus, space below is not quite equal to space
! 416: % above. But it's pretty close.
! 417: \def\Egroup{%
! 418: \egroup % End the \vtop.
! 419: \endgroup % End the \group.
! 420: }%
! 421: %
! 422: \vtop\bgroup
! 423: % We have to put a strut on the last line in case the @group is in
! 424: % the midst of an example, rather than completely enclosing it.
! 425: % Otherwise, the interline space between the last line of the group
! 426: % and the first line afterwards is too small. But we can't put the
! 427: % strut in \Egroup, since there it would be on a line by itself.
! 428: % Hence this just inserts a strut at the beginning of each line.
! 429: \everypar = {\strut}%
! 430: %
! 431: % Since we have a strut on every line, we don't need any of TeX's
! 432: % normal interline spacing.
! 433: \offinterlineskip
! 434: %
! 435: % OK, but now we have to do something about blank
! 436: % lines in the input in @example-like environments, which normally
! 437: % just turn into \lisppar, which will insert no space now that we've
! 438: % turned off the interline space. Simplest is to make them be an
! 439: % empty paragraph.
! 440: \ifx\par\lisppar
! 441: \edef\par{\leavevmode \par}%
! 442: %
! 443: % Reset ^^M's definition to new definition of \par.
! 444: \obeylines
! 445: \fi
! 446: %
! 447: % Do @comment since we are called inside an environment such as
! 448: % @example, where each end-of-line in the input causes an
! 449: % end-of-line in the output. We don't want the end-of-line after
! 450: % the `@group' to put extra space in the output. Since @group
! 451: % should appear on a line by itself (according to the Texinfo
! 452: % manual), we don't worry about eating any user text.
! 453: \comment
! 454: }
! 455: %
! 456: % TeX puts in an \escapechar (i.e., `@') at the beginning of the help
! 457: % message, so this ends up printing `@group can only ...'.
! 458: %
! 459: \newhelp\groupinvalidhelp{%
! 460: group can only be used in environments such as @example,^^J%
! 461: where each line of input produces a line of output.}
! 462:
! 463: % @need space-in-mils
! 464: % forces a page break if there is not space-in-mils remaining.
! 465:
! 466: \newdimen\mil \mil=0.001in
! 467:
! 468: \def\need{\parsearg\needx}
! 469:
! 470: % Old definition--didn't work.
! 471: %\def\needx #1{\par %
! 472: %% This method tries to make TeX break the page naturally
! 473: %% if the depth of the box does not fit.
! 474: %{\baselineskip=0pt%
! 475: %\vtop to #1\mil{\vfil}\kern -#1\mil\penalty 10000
! 476: %\prevdepth=-1000pt
! 477: %}}
! 478:
! 479: \def\needx#1{%
! 480: % Go into vertical mode, so we don't make a big box in the middle of a
! 481: % paragraph.
! 482: \par
! 483: %
! 484: % Don't add any leading before our big empty box, but allow a page
! 485: % break, since the best break might be right here.
! 486: \allowbreak
! 487: \nointerlineskip
! 488: \vtop to #1\mil{\vfil}%
! 489: %
! 490: % TeX does not even consider page breaks if a penalty added to the
! 491: % main vertical list is 10000 or more. But in order to see if the
! 492: % empty box we just added fits on the page, we must make it consider
! 493: % page breaks. On the other hand, we don't want to actually break the
! 494: % page after the empty box. So we use a penalty of 9999.
! 495: %
! 496: % There is an extremely small chance that TeX will actually break the
! 497: % page at this \penalty, if there are no other feasible breakpoints in
! 498: % sight. (If the user is using lots of big @group commands, which
! 499: % almost-but-not-quite fill up a page, TeX will have a hard time doing
! 500: % good page breaking, for example.) However, I could not construct an
! 501: % example where a page broke at this \penalty; if it happens in a real
! 502: % document, then we can reconsider our strategy.
! 503: \penalty9999
! 504: %
! 505: % Back up by the size of the box, whether we did a page break or not.
! 506: \kern -#1\mil
! 507: %
! 508: % Do not allow a page break right after this kern.
! 509: \nobreak
! 510: }
! 511:
! 512: % @br forces paragraph break
! 513:
! 514: \let\br = \par
! 515:
! 516: % @dots{} output some dots
! 517:
! 518: \def\dots{$\ldots$}
! 519:
! 520: % @page forces the start of a new page
! 521:
! 522: \def\page{\par\vfill\supereject}
! 523:
! 524: % @exdent text....
! 525: % outputs text on separate line in roman font, starting at standard page margin
! 526:
! 527: % This records the amount of indent in the innermost environment.
! 528: % That's how much \exdent should take out.
! 529: \newskip\exdentamount
! 530:
! 531: % This defn is used inside fill environments such as @defun.
! 532: \def\exdent{\parsearg\exdentyyy}
! 533: \def\exdentyyy #1{{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break}}
! 534:
! 535: % This defn is used inside nofill environments such as @example.
! 536: \def\nofillexdent{\parsearg\nofillexdentyyy}
! 537: \def\nofillexdentyyy #1{{\advance \leftskip by -\exdentamount
! 538: \leftline{\hskip\leftskip{\rm#1}}}}
! 539:
! 540: % @inmargin{TEXT} puts TEXT in the margin next to the current paragraph.
! 541:
! 542: \def\inmargin#1{%
! 543: \strut\vadjust{\nobreak\kern-\strutdepth
! 544: \vtop to \strutdepth{\baselineskip\strutdepth\vss
! 545: \llap{\rightskip=\inmarginspacing \vbox{\noindent #1}}\null}}}
! 546: \newskip\inmarginspacing \inmarginspacing=1cm
! 547: \def\strutdepth{\dp\strutbox}
! 548:
! 549: %\hbox{{\rm#1}}\hfil\break}}
! 550:
! 551: % @include file insert text of that file as input.
! 552: % Allow normal characters that we make active in the argument (a file name).
! 553: \def\include{\begingroup
! 554: \catcode`\\=12
! 555: \catcode`~=12
! 556: \catcode`^=12
! 557: \catcode`_=12
! 558: \catcode`|=12
! 559: \catcode`<=12
! 560: \catcode`>=12
! 561: \catcode`+=12
! 562: \parsearg\includezzz}
! 563: % Restore active chars for included file.
! 564: \def\includezzz#1{\endgroup\begingroup
! 565: % Read the included file in a group so nested @include's work.
! 566: \def\thisfile{#1}%
! 567: \input\thisfile
! 568: \endgroup}
! 569:
! 570: \def\thisfile{}
! 571:
! 572: % @center line outputs that line, centered
! 573:
! 574: \def\center{\parsearg\centerzzz}
! 575: \def\centerzzz #1{{\advance\hsize by -\leftskip
! 576: \advance\hsize by -\rightskip
! 577: \centerline{#1}}}
! 578:
! 579: % @sp n outputs n lines of vertical space
! 580:
! 581: \def\sp{\parsearg\spxxx}
! 582: \def\spxxx #1{\par \vskip #1\baselineskip}
! 583:
! 584: % @comment ...line which is ignored...
! 585: % @c is the same as @comment
! 586: % @ignore ... @end ignore is another way to write a comment
! 587:
! 588: \def\comment{\catcode 64=\other \catcode 123=\other \catcode 125=\other%
! 589: \parsearg \commentxxx}
! 590:
! 591: \def\commentxxx #1{\catcode 64=0 \catcode 123=1 \catcode 125=2 }
! 592:
! 593: \let\c=\comment
! 594:
! 595: % Prevent errors for section commands.
! 596: % Used in @ignore and in failing conditionals.
! 597: \def\ignoresections{%
! 598: \let\chapter=\relax
! 599: \let\unnumbered=\relax
! 600: \let\top=\relax
! 601: \let\unnumberedsec=\relax
! 602: \let\unnumberedsection=\relax
! 603: \let\unnumberedsubsec=\relax
! 604: \let\unnumberedsubsection=\relax
! 605: \let\unnumberedsubsubsec=\relax
! 606: \let\unnumberedsubsubsection=\relax
! 607: \let\section=\relax
! 608: \let\subsec=\relax
! 609: \let\subsubsec=\relax
! 610: \let\subsection=\relax
! 611: \let\subsubsection=\relax
! 612: \let\appendix=\relax
! 613: \let\appendixsec=\relax
! 614: \let\appendixsection=\relax
! 615: \let\appendixsubsec=\relax
! 616: \let\appendixsubsection=\relax
! 617: \let\appendixsubsubsec=\relax
! 618: \let\appendixsubsubsection=\relax
! 619: \let\contents=\relax
! 620: \let\smallbook=\relax
! 621: \let\titlepage=\relax
! 622: }
! 623:
! 624: % Used in nested conditionals, where we have to parse the Texinfo source
! 625: % and so want to turn off most commands, in case they are used
! 626: % incorrectly.
! 627: %
! 628: \def\ignoremorecommands{%
! 629: \let\defcv = \relax
! 630: \let\deffn = \relax
! 631: \let\deffnx = \relax
! 632: \let\defindex = \relax
! 633: \let\defivar = \relax
! 634: \let\defmac = \relax
! 635: \let\defmethod = \relax
! 636: \let\defop = \relax
! 637: \let\defopt = \relax
! 638: \let\defspec = \relax
! 639: \let\deftp = \relax
! 640: \let\deftypefn = \relax
! 641: \let\deftypefun = \relax
! 642: \let\deftypevar = \relax
! 643: \let\deftypevr = \relax
! 644: \let\defun = \relax
! 645: \let\defvar = \relax
! 646: \let\defvr = \relax
! 647: \let\ref = \relax
! 648: \let\xref = \relax
! 649: \let\printindex = \relax
! 650: \let\pxref = \relax
! 651: \let\settitle = \relax
! 652: \let\setchapternewpage = \relax
! 653: \let\setchapterstyle = \relax
! 654: \let\everyheading = \relax
! 655: \let\evenheading = \relax
! 656: \let\oddheading = \relax
! 657: \let\everyfooting = \relax
! 658: \let\evenfooting = \relax
! 659: \let\oddfooting = \relax
! 660: \let\headings = \relax
! 661: \let\include = \relax
! 662: \let\lowersections = \relax
! 663: \let\down = \relax
! 664: \let\raisesections = \relax
! 665: \let\up = \relax
! 666: \let\set = \relax
! 667: \let\clear = \relax
! 668: \let\item = \relax
! 669: \let\message = \relax
! 670: }
! 671:
! 672: % Ignore @ignore ... @end ignore.
! 673: %
! 674: \def\ignore{\doignore{ignore}}
! 675:
! 676: % Also ignore @ifinfo, @ifhtml, @html, @menu, and @direntry text.
! 677: %
! 678: \def\ifinfo{\doignore{ifinfo}}
! 679: \def\ifhtml{\doignore{ifhtml}}
! 680: \def\html{\doignore{html}}
! 681: \def\menu{\doignore{menu}}
! 682: \def\direntry{\doignore{direntry}}
! 683:
! 684: % @dircategory CATEGORY -- specify a category of the dir file
! 685: % which this file should belong to. Ignore this in TeX.
! 686:
! 687: \def\dircategory{\comment}
! 688:
! 689: % Ignore text until a line `@end #1'.
! 690: %
! 691: \def\doignore#1{\begingroup
! 692: % Don't complain about control sequences we have declared \outer.
! 693: \ignoresections
! 694: %
! 695: % Define a command to swallow text until we reach `@end #1'.
! 696: \long\def\doignoretext##1\end #1{\enddoignore}%
! 697: %
! 698: % Make sure that spaces turn into tokens that match what \doignoretext wants.
! 699: \catcode32 = 10
! 700: %
! 701: % And now expand that command.
! 702: \doignoretext
! 703: }
! 704:
! 705: % What we do to finish off ignored text.
! 706: %
! 707: \def\enddoignore{\endgroup\ignorespaces}%
! 708:
! 709: \newif\ifwarnedobs\warnedobsfalse
! 710: \def\obstexwarn{%
! 711: \ifwarnedobs\relax\else
! 712: % We need to warn folks that they may have trouble with TeX 3.0.
! 713: % This uses \immediate\write16 rather than \message to get newlines.
! 714: \immediate\write16{}
! 715: \immediate\write16{***WARNING*** for users of Unix TeX 3.0!}
! 716: \immediate\write16{This manual trips a bug in TeX version 3.0 (tex hangs).}
! 717: \immediate\write16{If you are running another version of TeX, relax.}
! 718: \immediate\write16{If you are running Unix TeX 3.0, kill this TeX process.}
! 719: \immediate\write16{ Then upgrade your TeX installation if you can.}
! 720: \immediate\write16{If you are stuck with version 3.0, run the}
! 721: \immediate\write16{ script ``tex3patch'' from the Texinfo distribution}
! 722: \immediate\write16{ to use a workaround.}
! 723: \immediate\write16{}
! 724: \global\warnedobstrue
! 725: \fi
! 726: }
! 727:
! 728: % **In TeX 3.0, setting text in \nullfont hangs tex. For a
! 729: % workaround (which requires the file ``dummy.tfm'' to be installed),
! 730: % uncomment the following line:
! 731: %%%%%\font\nullfont=dummy\let\obstexwarn=\relax
! 732:
! 733: % Ignore text, except that we keep track of conditional commands for
! 734: % purposes of nesting, up to an `@end #1' command.
! 735: %
! 736: \def\nestedignore#1{%
! 737: \obstexwarn
! 738: % We must actually expand the ignored text to look for the @end
! 739: % command, so that nested ignore constructs work. Thus, we put the
! 740: % text into a \vbox and then do nothing with the result. To minimize
! 741: % the change of memory overflow, we follow the approach outlined on
! 742: % page 401 of the TeXbook: make the current font be a dummy font.
! 743: %
! 744: \setbox0 = \vbox\bgroup
! 745: % Don't complain about control sequences we have declared \outer.
! 746: \ignoresections
! 747: %
! 748: % Define `@end #1' to end the box, which will in turn undefine the
! 749: % @end command again.
! 750: \expandafter\def\csname E#1\endcsname{\egroup\ignorespaces}%
! 751: %
! 752: % We are going to be parsing Texinfo commands. Most cause no
! 753: % trouble when they are used incorrectly, but some commands do
! 754: % complicated argument parsing or otherwise get confused, so we
! 755: % undefine them.
! 756: %
! 757: % We can't do anything about stray @-signs, unfortunately;
! 758: % they'll produce `undefined control sequence' errors.
! 759: \ignoremorecommands
! 760: %
! 761: % Set the current font to be \nullfont, a TeX primitive, and define
! 762: % all the font commands to also use \nullfont. We don't use
! 763: % dummy.tfm, as suggested in the TeXbook, because not all sites
! 764: % might have that installed. Therefore, math mode will still
! 765: % produce output, but that should be an extremely small amount of
! 766: % stuff compared to the main input.
! 767: %
! 768: \nullfont
! 769: \let\tenrm = \nullfont \let\tenit = \nullfont \let\tensl = \nullfont
! 770: \let\tenbf = \nullfont \let\tentt = \nullfont \let\smallcaps = \nullfont
! 771: \let\tensf = \nullfont
! 772: % Similarly for index fonts (mostly for their use in
! 773: % smallexample)
! 774: \let\indrm = \nullfont \let\indit = \nullfont \let\indsl = \nullfont
! 775: \let\indbf = \nullfont \let\indtt = \nullfont \let\indsc = \nullfont
! 776: \let\indsf = \nullfont
! 777: %
! 778: % Don't complain when characters are missing from the fonts.
! 779: \tracinglostchars = 0
! 780: %
! 781: % Don't bother to do space factor calculations.
! 782: \frenchspacing
! 783: %
! 784: % Don't report underfull hboxes.
! 785: \hbadness = 10000
! 786: %
! 787: % Do minimal line-breaking.
! 788: \pretolerance = 10000
! 789: %
! 790: % Do not execute instructions in @tex
! 791: \def\tex{\doignore{tex}}
! 792: }
! 793:
! 794: % @set VAR sets the variable VAR to an empty value.
! 795: % @set VAR REST-OF-LINE sets VAR to the value REST-OF-LINE.
! 796: %
! 797: % Since we want to separate VAR from REST-OF-LINE (which might be
! 798: % empty), we can't just use \parsearg; we have to insert a space of our
! 799: % own to delimit the rest of the line, and then take it out again if we
! 800: % didn't need it. Make sure the catcode of space is correct to avoid
! 801: % losing inside @example, for instance.
! 802: %
! 803: \def\set{\begingroup\catcode` =10 \parsearg\setxxx}
! 804: \def\setxxx#1{\setyyy#1 \endsetyyy}
! 805: \def\setyyy#1 #2\endsetyyy{%
! 806: \def\temp{#2}%
! 807: \ifx\temp\empty \global\expandafter\let\csname SET#1\endcsname = \empty
! 808: \else \setzzz{#1}#2\endsetzzz % Remove the trailing space \setxxx inserted.
! 809: \fi
! 810: \endgroup
! 811: }
! 812: % Can't use \xdef to pre-expand #2 and save some time, since \temp or
! 813: % \next or other control sequences that we've defined might get us into
! 814: % an infinite loop. Consider `@set foo @cite{bar}'.
! 815: \def\setzzz#1#2 \endsetzzz{\expandafter\gdef\csname SET#1\endcsname{#2}}
! 816:
! 817: % @clear VAR clears (i.e., unsets) the variable VAR.
! 818: %
! 819: \def\clear{\parsearg\clearxxx}
! 820: \def\clearxxx#1{\global\expandafter\let\csname SET#1\endcsname=\relax}
! 821:
! 822: % @value{foo} gets the text saved in variable foo.
! 823: %
! 824: \def\value#1{\expandafter
! 825: \ifx\csname SET#1\endcsname\relax
! 826: {\{No value for ``#1''\}}
! 827: \else \csname SET#1\endcsname \fi}
! 828:
! 829: % @ifset VAR ... @end ifset reads the `...' iff VAR has been defined
! 830: % with @set.
! 831: %
! 832: \def\ifset{\parsearg\ifsetxxx}
! 833: \def\ifsetxxx #1{%
! 834: \expandafter\ifx\csname SET#1\endcsname\relax
! 835: \expandafter\ifsetfail
! 836: \else
! 837: \expandafter\ifsetsucceed
! 838: \fi
! 839: }
! 840: \def\ifsetsucceed{\conditionalsucceed{ifset}}
! 841: \def\ifsetfail{\nestedignore{ifset}}
! 842: \defineunmatchedend{ifset}
! 843:
! 844: % @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been
! 845: % defined with @set, or has been undefined with @clear.
! 846: %
! 847: \def\ifclear{\parsearg\ifclearxxx}
! 848: \def\ifclearxxx #1{%
! 849: \expandafter\ifx\csname SET#1\endcsname\relax
! 850: \expandafter\ifclearsucceed
! 851: \else
! 852: \expandafter\ifclearfail
! 853: \fi
! 854: }
! 855: \def\ifclearsucceed{\conditionalsucceed{ifclear}}
! 856: \def\ifclearfail{\nestedignore{ifclear}}
! 857: \defineunmatchedend{ifclear}
! 858:
! 859: % @iftex always succeeds; we read the text following, through @end
! 860: % iftex). But `@end iftex' should be valid only after an @iftex.
! 861: %
! 862: \def\iftex{\conditionalsucceed{iftex}}
! 863: \defineunmatchedend{iftex}
! 864:
! 865: % We can't just want to start a group at @iftex (for example) and end it
! 866: % at @end iftex, since then @set commands inside the conditional have no
! 867: % effect (they'd get reverted at the end of the group). So we must
! 868: % define \Eiftex to redefine itself to be its previous value. (We can't
! 869: % just define it to fail again with an ``unmatched end'' error, since
! 870: % the @ifset might be nested.)
! 871: %
! 872: \def\conditionalsucceed#1{%
! 873: \edef\temp{%
! 874: % Remember the current value of \E#1.
! 875: \let\nece{prevE#1} = \nece{E#1}%
! 876: %
! 877: % At the `@end #1', redefine \E#1 to be its previous value.
! 878: \def\nece{E#1}{\let\nece{E#1} = \nece{prevE#1}}%
! 879: }%
! 880: \temp
! 881: }
! 882:
! 883: % We need to expand lots of \csname's, but we don't want to expand the
! 884: % control sequences after we've constructed them.
! 885: %
! 886: \def\nece#1{\expandafter\noexpand\csname#1\endcsname}
! 887:
! 888: % @asis just yields its argument. Used with @table, for example.
! 889: %
! 890: \def\asis#1{#1}
! 891:
! 892: % @math means output in math mode.
! 893: % We don't use $'s directly in the definition of \math because control
! 894: % sequences like \math are expanded when the toc file is written. Then,
! 895: % we read the toc file back, the $'s will be normal characters (as they
! 896: % should be, according to the definition of Texinfo). So we must use a
! 897: % control sequence to switch into and out of math mode.
! 898: %
! 899: % This isn't quite enough for @math to work properly in indices, but it
! 900: % seems unlikely it will ever be needed there.
! 901: %
! 902: \let\implicitmath = $
! 903: \def\math#1{\implicitmath #1\implicitmath}
! 904:
! 905: % @bullet and @minus need the same treatment as @math, just above.
! 906: \def\bullet{\implicitmath\ptexbullet\implicitmath}
! 907: \def\minus{\implicitmath-\implicitmath}
! 908:
! 909: \def\node{\ENVcheck\parsearg\nodezzz}
! 910: \def\nodezzz#1{\nodexxx [#1,]}
! 911: \def\nodexxx[#1,#2]{\gdef\lastnode{#1}}
! 912: \let\nwnode=\node
! 913: \let\lastnode=\relax
! 914:
! 915: \def\donoderef{\ifx\lastnode\relax\else
! 916: \expandafter\expandafter\expandafter\setref{\lastnode}\fi
! 917: \global\let\lastnode=\relax}
! 918:
! 919: \def\unnumbnoderef{\ifx\lastnode\relax\else
! 920: \expandafter\expandafter\expandafter\unnumbsetref{\lastnode}\fi
! 921: \global\let\lastnode=\relax}
! 922:
! 923: \def\appendixnoderef{\ifx\lastnode\relax\else
! 924: \expandafter\expandafter\expandafter\appendixsetref{\lastnode}\fi
! 925: \global\let\lastnode=\relax}
! 926:
! 927: \let\refill=\relax
! 928:
! 929: % @setfilename is done at the beginning of every texinfo file.
! 930: % So open here the files we need to have open while reading the input.
! 931: % This makes it possible to make a .fmt file for texinfo.
! 932: \def\setfilename{%
! 933: \readauxfile
! 934: \opencontents
! 935: \openindices
! 936: \fixbackslash % Turn off hack to swallow `\input texinfo'.
! 937: \global\let\setfilename=\comment % Ignore extra @setfilename cmds.
! 938: \comment % Ignore the actual filename.
! 939: }
! 940:
! 941: \outer\def\bye{\pagealignmacro\tracingstats=1\ptexend}
! 942:
! 943: \def\inforef #1{\inforefzzz #1,,,,**}
! 944: \def\inforefzzz #1,#2,#3,#4**{\putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}},
! 945: node \samp{\ignorespaces#1{}}}
! 946:
! 947: \def\macro#1{\begingroup\ignoresections\catcode`\#=6\def\macrotemp{#1}\parsearg\macroxxx}
! 948: \def\macroxxx#1#2 \end macro{%
! 949: \expandafter\gdef\macrotemp#1{#2}%
! 950: \endgroup}
! 951:
! 952: %\def\linemacro#1{\begingroup\ignoresections\catcode`\#=6\def\macrotemp{#1}\parsearg\linemacroxxx}
! 953: %\def\linemacroxxx#1#2 \end linemacro{%
! 954: %\let\parsearg=\relax
! 955: %\edef\macrotempx{\csname M\butfirst\expandafter\string\macrotemp\endcsname}%
! 956: %\expandafter\xdef\macrotemp{\parsearg\macrotempx}%
! 957: %\expandafter\gdef\macrotempx#1{#2}%
! 958: %\endgroup}
! 959:
! 960: %\def\butfirst#1{}
! 961:
! 962: \message{fonts,}
! 963:
! 964: % Font-change commands.
! 965:
! 966: % Texinfo supports the sans serif font style, which plain TeX does not.
! 967: % So we set up a \sf analogous to plain's \rm, etc.
! 968: \newfam\sffam
! 969: \def\sf{\fam=\sffam \tensf}
! 970: \let\li = \sf % Sometimes we call it \li, not \sf.
! 971:
! 972: % We don't need math for this one.
! 973: \def\ttsl{\tenttsl}
! 974:
! 975: %% Try out Computer Modern fonts at \magstephalf
! 976: \let\mainmagstep=\magstephalf
! 977:
! 978: % Set the font macro #1 to the font named #2, adding on the
! 979: % specified font prefix (normally `cm').
! 980: % #3 is the font's design size, #4 is a scale factor
! 981: \def\setfont#1#2#3#4{\font#1=\fontprefix#2#3 scaled #4}
! 982:
! 983: % Use cm as the default font prefix.
! 984: % To specify the font prefix, you must define \fontprefix
! 985: % before you read in texinfo.tex.
! 986: \ifx\fontprefix\undefined
! 987: \def\fontprefix{cm}
! 988: \fi
! 989: % Support font families that don't use the same naming scheme as CM.
! 990: \def\rmshape{r}
! 991: \def\rmbshape{bx} %where the normal face is bold
! 992: \def\bfshape{b}
! 993: \def\bxshape{bx}
! 994: \def\ttshape{tt}
! 995: \def\ttbshape{tt}
! 996: \def\ttslshape{sltt}
! 997: \def\itshape{ti}
! 998: \def\itbshape{bxti}
! 999: \def\slshape{sl}
! 1000: \def\slbshape{bxsl}
! 1001: \def\sfshape{ss}
! 1002: \def\sfbshape{ss}
! 1003: \def\scshape{csc}
! 1004: \def\scbshape{csc}
! 1005:
! 1006: \ifx\bigger\relax
! 1007: \let\mainmagstep=\magstep1
! 1008: \setfont\textrm\rmshape{12}{1000}
! 1009: \setfont\texttt\ttshape{12}{1000}
! 1010: \else
! 1011: \setfont\textrm\rmshape{10}{\mainmagstep}
! 1012: \setfont\texttt\ttshape{10}{\mainmagstep}
! 1013: \fi
! 1014: % Instead of cmb10, you many want to use cmbx10.
! 1015: % cmbx10 is a prettier font on its own, but cmb10
! 1016: % looks better when embedded in a line with cmr10.
! 1017: \setfont\textbf\bfshape{10}{\mainmagstep}
! 1018: \setfont\textit\itshape{10}{\mainmagstep}
! 1019: \setfont\textsl\slshape{10}{\mainmagstep}
! 1020: \setfont\textsf\sfshape{10}{\mainmagstep}
! 1021: \setfont\textsc\scshape{10}{\mainmagstep}
! 1022: \setfont\textttsl\ttslshape{10}{\mainmagstep}
! 1023: \font\texti=cmmi10 scaled \mainmagstep
! 1024: \font\textsy=cmsy10 scaled \mainmagstep
! 1025:
! 1026: % A few fonts for @defun, etc.
! 1027: \setfont\defbf\bxshape{10}{\magstep1} %was 1314
! 1028: \setfont\deftt\ttshape{10}{\magstep1}
! 1029: \def\df{\let\tentt=\deftt \let\tenbf = \defbf \bf}
! 1030:
! 1031: % Fonts for indices and small examples.
! 1032: % We actually use the slanted font rather than the italic,
! 1033: % because texinfo normally uses the slanted fonts for that.
! 1034: % Do not make many font distinctions in general in the index, since they
! 1035: % aren't very useful.
! 1036: \setfont\ninett\ttshape{9}{1000}
! 1037: \setfont\indrm\rmshape{9}{1000}
! 1038: \setfont\indit\slshape{9}{1000}
! 1039: \let\indsl=\indit
! 1040: \let\indtt=\ninett
! 1041: \let\indttsl=\ninett
! 1042: \let\indsf=\indrm
! 1043: \let\indbf=\indrm
! 1044: \setfont\indsc\scshape{10}{900}
! 1045: \font\indi=cmmi9
! 1046: \font\indsy=cmsy9
! 1047:
! 1048: % Fonts for headings
! 1049: \setfont\chaprm\rmbshape{12}{\magstep2}
! 1050: \setfont\chapit\itbshape{10}{\magstep3}
! 1051: \setfont\chapsl\slbshape{10}{\magstep3}
! 1052: \setfont\chaptt\ttbshape{12}{\magstep2}
! 1053: \setfont\chapttsl\ttslshape{10}{\magstep3}
! 1054: \setfont\chapsf\sfbshape{12}{\magstep2}
! 1055: \let\chapbf=\chaprm
! 1056: \setfont\chapsc\scbshape{10}{\magstep3}
! 1057: \font\chapi=cmmi12 scaled \magstep2
! 1058: \font\chapsy=cmsy10 scaled \magstep3
! 1059:
! 1060: \setfont\secrm\rmbshape{12}{\magstep1}
! 1061: \setfont\secit\itbshape{10}{\magstep2}
! 1062: \setfont\secsl\slbshape{10}{\magstep2}
! 1063: \setfont\sectt\ttbshape{12}{\magstep1}
! 1064: \setfont\secttsl\ttslshape{10}{\magstep2}
! 1065: \setfont\secsf\sfbshape{12}{\magstep1}
! 1066: \let\secbf\secrm
! 1067: \setfont\secsc\scbshape{10}{\magstep2}
! 1068: \font\seci=cmmi12 scaled \magstep1
! 1069: \font\secsy=cmsy10 scaled \magstep2
! 1070:
! 1071: % \setfont\ssecrm\bxshape{10}{\magstep1} % This size an font looked bad.
! 1072: % \setfont\ssecit\itshape{10}{\magstep1} % The letters were too crowded.
! 1073: % \setfont\ssecsl\slshape{10}{\magstep1}
! 1074: % \setfont\ssectt\ttshape{10}{\magstep1}
! 1075: % \setfont\ssecsf\sfshape{10}{\magstep1}
! 1076:
! 1077: %\setfont\ssecrm\bfshape{10}{1315} % Note the use of cmb rather than cmbx.
! 1078: %\setfont\ssecit\itshape{10}{1315} % Also, the size is a little larger than
! 1079: %\setfont\ssecsl\slshape{10}{1315} % being scaled magstep1.
! 1080: %\setfont\ssectt\ttshape{10}{1315}
! 1081: %\setfont\ssecsf\sfshape{10}{1315}
! 1082:
! 1083: %\let\ssecbf=\ssecrm
! 1084:
! 1085: \setfont\ssecrm\rmbshape{12}{\magstephalf}
! 1086: \setfont\ssecit\itbshape{10}{1315}
! 1087: \setfont\ssecsl\slbshape{10}{1315}
! 1088: \setfont\ssectt\ttbshape{12}{\magstephalf}
! 1089: \setfont\ssecttsl\ttslshape{10}{\magstep1}
! 1090: \setfont\ssecsf\sfbshape{12}{\magstephalf}
! 1091: \let\ssecbf\ssecrm
! 1092: \setfont\ssecsc\scbshape{10}{\magstep1}
! 1093: \font\sseci=cmmi12 scaled \magstephalf
! 1094: \font\ssecsy=cmsy10 scaled \magstep1
! 1095: % The smallcaps and symbol fonts should actually be scaled \magstep1.5,
! 1096: % but that is not a standard magnification.
! 1097:
! 1098: % Fonts for title page:
! 1099: \setfont\titlerm\rmbshape{12}{\magstep3}
! 1100: \let\authorrm = \secrm
! 1101:
! 1102: % In order for the font changes to affect most math symbols and letters,
! 1103: % we have to define the \textfont of the standard families. Since
! 1104: % texinfo doesn't allow for producing subscripts and superscripts, we
! 1105: % don't bother to reset \scriptfont and \scriptscriptfont (which would
! 1106: % also require loading a lot more fonts).
! 1107: %
! 1108: \def\resetmathfonts{%
! 1109: \textfont0 = \tenrm \textfont1 = \teni \textfont2 = \tensy
! 1110: \textfont\itfam = \tenit \textfont\slfam = \tensl \textfont\bffam = \tenbf
! 1111: \textfont\ttfam = \tentt \textfont\sffam = \tensf
! 1112: }
! 1113:
! 1114:
! 1115: % The font-changing commands redefine the meanings of \tenSTYLE, instead
! 1116: % of just \STYLE. We do this so that font changes will continue to work
! 1117: % in math mode, where it is the current \fam that is relevant in most
! 1118: % cases, not the current font. Plain TeX does \def\bf{\fam=\bffam
! 1119: % \tenbf}, for example. By redefining \tenbf, we obviate the need to
! 1120: % redefine \bf itself.
! 1121: \def\textfonts{%
! 1122: \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl
! 1123: \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc
! 1124: \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy \let\tenttsl=\textttsl
! 1125: \resetmathfonts}
! 1126: \def\chapfonts{%
! 1127: \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl
! 1128: \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc
! 1129: \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy \let\tenttsl=\chapttsl
! 1130: \resetmathfonts}
! 1131: \def\secfonts{%
! 1132: \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl
! 1133: \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc
! 1134: \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy \let\tenttsl=\secttsl
! 1135: \resetmathfonts}
! 1136: \def\subsecfonts{%
! 1137: \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl
! 1138: \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc
! 1139: \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy \let\tenttsl=\ssecttsl
! 1140: \resetmathfonts}
! 1141: \def\indexfonts{%
! 1142: \let\tenrm=\indrm \let\tenit=\indit \let\tensl=\indsl
! 1143: \let\tenbf=\indbf \let\tentt=\indtt \let\smallcaps=\indsc
! 1144: \let\tensf=\indsf \let\teni=\indi \let\tensy=\indsy \let\tenttsl=\indttsl
! 1145: \resetmathfonts}
! 1146:
! 1147: % Set up the default fonts, so we can use them for creating boxes.
! 1148: %
! 1149: \textfonts
! 1150:
! 1151: % Count depth in font-changes, for error checks
! 1152: \newcount\fontdepth \fontdepth=0
! 1153:
! 1154: % Fonts for short table of contents.
! 1155: \setfont\shortcontrm\rmshape{12}{1000}
! 1156: \setfont\shortcontbf\bxshape{12}{1000}
! 1157: \setfont\shortcontsl\slshape{12}{1000}
! 1158:
! 1159: %% Add scribe-like font environments, plus @l for inline lisp (usually sans
! 1160: %% serif) and @ii for TeX italic
! 1161:
! 1162: % \smartitalic{ARG} outputs arg in italics, followed by an italic correction
! 1163: % unless the following character is such as not to need one.
! 1164: \def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else\/\fi\fi\fi}
! 1165: \def\smartitalic#1{{\sl #1}\futurelet\next\smartitalicx}
! 1166:
! 1167: \let\i=\smartitalic
! 1168: \let\var=\smartitalic
! 1169: \let\dfn=\smartitalic
! 1170: \let\emph=\smartitalic
! 1171: \let\cite=\smartitalic
! 1172:
! 1173: \def\b#1{{\bf #1}}
! 1174: \let\strong=\b
! 1175:
! 1176: % We can't just use \exhyphenpenalty, because that only has effect at
! 1177: % the end of a paragraph. Restore normal hyphenation at the end of the
! 1178: % group within which \nohyphenation is presumably called.
! 1179: %
! 1180: \def\nohyphenation{\hyphenchar\font = -1 \aftergroup\restorehyphenation}
! 1181: \def\restorehyphenation{\hyphenchar\font = `- }
! 1182:
! 1183: \def\t#1{%
! 1184: {\tt \rawbackslash \frenchspacing #1}%
! 1185: \null
! 1186: }
! 1187: \let\ttfont=\t
! 1188: \def\samp #1{`\tclose{#1}'\null}
! 1189: \def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null}
! 1190: \def\ctrl #1{{\tt \rawbackslash \hat}#1}
! 1191:
! 1192: \let\file=\samp
! 1193: \let\url=\samp % perhaps include a hypertex \special eventually
! 1194:
! 1195: % @code is a modification of @t,
! 1196: % which makes spaces the same size as normal in the surrounding text.
! 1197: \def\tclose#1{%
! 1198: {%
! 1199: % Change normal interword space to be same as for the current font.
! 1200: \spaceskip = \fontdimen2\font
! 1201: %
! 1202: % Switch to typewriter.
! 1203: \tt
! 1204: %
! 1205: % But `\ ' produces the large typewriter interword space.
! 1206: \def\ {{\spaceskip = 0pt{} }}%
! 1207: %
! 1208: % Turn off hyphenation.
! 1209: \nohyphenation
! 1210: %
! 1211: \rawbackslash
! 1212: \frenchspacing
! 1213: #1%
! 1214: }%
! 1215: \null
! 1216: }
! 1217:
! 1218: % We *must* turn on hyphenation at `-' and `_' in \code.
! 1219: % Otherwise, it is too hard to avoid overfull hboxes
! 1220: % in the Emacs manual, the Library manual, etc.
! 1221:
! 1222: % Unfortunately, TeX uses one parameter (\hyphenchar) to control
! 1223: % both hyphenation at - and hyphenation within words.
! 1224: % We must therefore turn them both off (\tclose does that)
! 1225: % and arrange explicitly to hyphenate an a dash.
! 1226: % -- rms.
! 1227: {
! 1228: \catcode`\-=\active
! 1229: \catcode`\_=\active
! 1230: \global\def\code{\begingroup \catcode`\-=\active \let-\codedash \catcode`\_=\active \let_\codeunder \codex}
! 1231: % The following is used by \doprintindex to insure that long function names
! 1232: % wrap around. It is necessary for - and _ to be active before the index is
! 1233: % read from the file, as \entry parses the arguments long before \code is
! 1234: % ever called. -- mycroft
! 1235: \global\def\indexbreaks{\catcode`\-=\active \let-\realdash \catcode`\_=\active \let_\realunder}
! 1236: }
! 1237:
! 1238: \def\realdash{-}
! 1239: \def\realunder{_}
! 1240: \def\codedash{-\discretionary{}{}{}}
! 1241: \def\codeunder{\normalunderscore\discretionary{}{}{}}
! 1242: \def\codex #1{\tclose{#1}\endgroup}
! 1243:
! 1244: %\let\exp=\tclose %Was temporary
! 1245:
! 1246: % @kbd is like @code, except that if the argument is just one @key command,
! 1247: % then @kbd has no effect.
! 1248: %
! 1249: \def\xkey{\key}
! 1250: \def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}%
! 1251: \ifx\one\xkey\ifx\threex\three \key{#2}%
! 1252: \else{\tclose{\ttsl\look}}\fi
! 1253: \else{\tclose{\ttsl\look}}\fi}
! 1254:
! 1255: % Check if we are currently using a typewriter font. Since all the
! 1256: % Computer Modern typewriter fonts have zero interword stretch (and
! 1257: % shrink), and it is reasonable to expect all typewriter fonts to have
! 1258: % this property, we can check that font parameter.
! 1259: %
! 1260: \def\ifmonospace{\ifdim\fontdimen3\font=0pt }
! 1261:
! 1262: % Typeset a dimension, e.g., `in' or `pt'. The only reason for the
! 1263: % argument is to make the input look right: @dmn{pt} instead of
! 1264: % @dmn{}pt.
! 1265: %
! 1266: \def\dmn#1{\thinspace #1}
! 1267:
! 1268: \def\kbd#1{\def\look{#1}\expandafter\kbdfoo\look??\par}
! 1269:
! 1270: \def\l#1{{\li #1}\null} %
! 1271:
! 1272: \def\r#1{{\rm #1}} % roman font
! 1273: % Use of \lowercase was suggested.
! 1274: \def\sc#1{{\smallcaps#1}} % smallcaps font
! 1275: \def\ii#1{{\it #1}} % italic font
! 1276:
! 1277: \message{page headings,}
! 1278:
! 1279: \newskip\titlepagetopglue \titlepagetopglue = 1.5in
! 1280: \newskip\titlepagebottomglue \titlepagebottomglue = 2pc
! 1281:
! 1282: % First the title page. Must do @settitle before @titlepage.
! 1283: \def\titlefont#1{{\titlerm #1}}
! 1284:
! 1285: \newif\ifseenauthor
! 1286: \newif\iffinishedtitlepage
! 1287:
! 1288: \def\shorttitlepage{\parsearg\shorttitlepagezzz}
! 1289: \def\shorttitlepagezzz #1{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}%
! 1290: \endgroup\page\hbox{}\page}
! 1291:
! 1292: \def\titlepage{\begingroup \parindent=0pt \textfonts
! 1293: \let\subtitlerm=\tenrm
! 1294: % I deinstalled the following change because \cmr12 is undefined.
! 1295: % This change was not in the ChangeLog anyway. --rms.
! 1296: % \let\subtitlerm=\cmr12
! 1297: \def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}%
! 1298: %
! 1299: \def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines}%
! 1300: %
! 1301: % Leave some space at the very top of the page.
! 1302: \vglue\titlepagetopglue
! 1303: %
! 1304: % Now you can print the title using @title.
! 1305: \def\title{\parsearg\titlezzz}%
! 1306: \def\titlezzz##1{\leftline{\titlefont{##1}}
! 1307: % print a rule at the page bottom also.
! 1308: \finishedtitlepagefalse
! 1309: \vskip4pt \hrule height 4pt width \hsize \vskip4pt}%
! 1310: % No rule at page bottom unless we print one at the top with @title.
! 1311: \finishedtitlepagetrue
! 1312: %
! 1313: % Now you can put text using @subtitle.
! 1314: \def\subtitle{\parsearg\subtitlezzz}%
! 1315: \def\subtitlezzz##1{{\subtitlefont \rightline{##1}}}%
! 1316: %
! 1317: % @author should come last, but may come many times.
! 1318: \def\author{\parsearg\authorzzz}%
! 1319: \def\authorzzz##1{\ifseenauthor\else\vskip 0pt plus 1filll\seenauthortrue\fi
! 1320: {\authorfont \leftline{##1}}}%
! 1321: %
! 1322: % Most title ``pages'' are actually two pages long, with space
! 1323: % at the top of the second. We don't want the ragged left on the second.
! 1324: \let\oldpage = \page
! 1325: \def\page{%
! 1326: \iffinishedtitlepage\else
! 1327: \finishtitlepage
! 1328: \fi
! 1329: \oldpage
! 1330: \let\page = \oldpage
! 1331: \hbox{}}%
! 1332: % \def\page{\oldpage \hbox{}}
! 1333: }
! 1334:
! 1335: \def\Etitlepage{%
! 1336: \iffinishedtitlepage\else
! 1337: \finishtitlepage
! 1338: \fi
! 1339: % It is important to do the page break before ending the group,
! 1340: % because the headline and footline are only empty inside the group.
! 1341: % If we use the new definition of \page, we always get a blank page
! 1342: % after the title page, which we certainly don't want.
! 1343: \oldpage
! 1344: \endgroup
! 1345: \HEADINGSon
! 1346: }
! 1347:
! 1348: \def\finishtitlepage{%
! 1349: \vskip4pt \hrule height 2pt width \hsize
! 1350: \vskip\titlepagebottomglue
! 1351: \finishedtitlepagetrue
! 1352: }
! 1353:
! 1354: %%% Set up page headings and footings.
! 1355:
! 1356: \let\thispage=\folio
! 1357:
! 1358: \newtoks \evenheadline % Token sequence for heading line of even pages
! 1359: \newtoks \oddheadline % Token sequence for heading line of odd pages
! 1360: \newtoks \evenfootline % Token sequence for footing line of even pages
! 1361: \newtoks \oddfootline % Token sequence for footing line of odd pages
! 1362:
! 1363: % Now make Tex use those variables
! 1364: \headline={{\textfonts\rm \ifodd\pageno \the\oddheadline
! 1365: \else \the\evenheadline \fi}}
! 1366: \footline={{\textfonts\rm \ifodd\pageno \the\oddfootline
! 1367: \else \the\evenfootline \fi}\HEADINGShook}
! 1368: \let\HEADINGShook=\relax
! 1369:
! 1370: % Commands to set those variables.
! 1371: % For example, this is what @headings on does
! 1372: % @evenheading @thistitle|@thispage|@thischapter
! 1373: % @oddheading @thischapter|@thispage|@thistitle
! 1374: % @evenfooting @thisfile||
! 1375: % @oddfooting ||@thisfile
! 1376:
! 1377: \def\evenheading{\parsearg\evenheadingxxx}
! 1378: \def\oddheading{\parsearg\oddheadingxxx}
! 1379: \def\everyheading{\parsearg\everyheadingxxx}
! 1380:
! 1381: \def\evenfooting{\parsearg\evenfootingxxx}
! 1382: \def\oddfooting{\parsearg\oddfootingxxx}
! 1383: \def\everyfooting{\parsearg\everyfootingxxx}
! 1384:
! 1385: {\catcode`\@=0 %
! 1386:
! 1387: \gdef\evenheadingxxx #1{\evenheadingyyy #1@|@|@|@|\finish}
! 1388: \gdef\evenheadingyyy #1@|#2@|#3@|#4\finish{%
! 1389: \global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 1390:
! 1391: \gdef\oddheadingxxx #1{\oddheadingyyy #1@|@|@|@|\finish}
! 1392: \gdef\oddheadingyyy #1@|#2@|#3@|#4\finish{%
! 1393: \global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 1394:
! 1395: \gdef\everyheadingxxx #1{\everyheadingyyy #1@|@|@|@|\finish}
! 1396: \gdef\everyheadingyyy #1@|#2@|#3@|#4\finish{%
! 1397: \global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
! 1398: \global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 1399:
! 1400: \gdef\evenfootingxxx #1{\evenfootingyyy #1@|@|@|@|\finish}
! 1401: \gdef\evenfootingyyy #1@|#2@|#3@|#4\finish{%
! 1402: \global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 1403:
! 1404: \gdef\oddfootingxxx #1{\oddfootingyyy #1@|@|@|@|\finish}
! 1405: \gdef\oddfootingyyy #1@|#2@|#3@|#4\finish{%
! 1406: \global\oddfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 1407:
! 1408: \gdef\everyfootingxxx #1{\everyfootingyyy #1@|@|@|@|\finish}
! 1409: \gdef\everyfootingyyy #1@|#2@|#3@|#4\finish{%
! 1410: \global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
! 1411: \global\oddfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
! 1412: %
! 1413: }% unbind the catcode of @.
! 1414:
! 1415: % @headings double turns headings on for double-sided printing.
! 1416: % @headings single turns headings on for single-sided printing.
! 1417: % @headings off turns them off.
! 1418: % @headings on same as @headings double, retained for compatibility.
! 1419: % @headings after turns on double-sided headings after this page.
! 1420: % @headings doubleafter turns on double-sided headings after this page.
! 1421: % @headings singleafter turns on single-sided headings after this page.
! 1422: % By default, they are off.
! 1423:
! 1424: \def\headings #1 {\csname HEADINGS#1\endcsname}
! 1425:
! 1426: \def\HEADINGSoff{
! 1427: \global\evenheadline={\hfil} \global\evenfootline={\hfil}
! 1428: \global\oddheadline={\hfil} \global\oddfootline={\hfil}}
! 1429: \HEADINGSoff
! 1430: % When we turn headings on, set the page number to 1.
! 1431: % For double-sided printing, put current file name in lower left corner,
! 1432: % chapter name on inside top of right hand pages, document
! 1433: % title on inside top of left hand pages, and page numbers on outside top
! 1434: % edge of all pages.
! 1435: \def\HEADINGSdouble{
! 1436: %\pagealignmacro
! 1437: \global\pageno=1
! 1438: \global\evenfootline={\hfil}
! 1439: \global\oddfootline={\hfil}
! 1440: \global\evenheadline={\line{\folio\hfil\thistitle}}
! 1441: \global\oddheadline={\line{\thischapter\hfil\folio}}
! 1442: }
! 1443: % For single-sided printing, chapter title goes across top left of page,
! 1444: % page number on top right.
! 1445: \def\HEADINGSsingle{
! 1446: %\pagealignmacro
! 1447: \global\pageno=1
! 1448: \global\evenfootline={\hfil}
! 1449: \global\oddfootline={\hfil}
! 1450: \global\evenheadline={\line{\thischapter\hfil\folio}}
! 1451: \global\oddheadline={\line{\thischapter\hfil\folio}}
! 1452: }
! 1453: \def\HEADINGSon{\HEADINGSdouble}
! 1454:
! 1455: \def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex}
! 1456: \let\HEADINGSdoubleafter=\HEADINGSafter
! 1457: \def\HEADINGSdoublex{%
! 1458: \global\evenfootline={\hfil}
! 1459: \global\oddfootline={\hfil}
! 1460: \global\evenheadline={\line{\folio\hfil\thistitle}}
! 1461: \global\oddheadline={\line{\thischapter\hfil\folio}}
! 1462: }
! 1463:
! 1464: \def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex}
! 1465: \def\HEADINGSsinglex{%
! 1466: \global\evenfootline={\hfil}
! 1467: \global\oddfootline={\hfil}
! 1468: \global\evenheadline={\line{\thischapter\hfil\folio}}
! 1469: \global\oddheadline={\line{\thischapter\hfil\folio}}
! 1470: }
! 1471:
! 1472: % Subroutines used in generating headings
! 1473: % Produces Day Month Year style of output.
! 1474: \def\today{\number\day\space
! 1475: \ifcase\month\or
! 1476: January\or February\or March\or April\or May\or June\or
! 1477: July\or August\or September\or October\or November\or December\fi
! 1478: \space\number\year}
! 1479:
! 1480: % Use this if you want the Month Day, Year style of output.
! 1481: %\def\today{\ifcase\month\or
! 1482: %January\or February\or March\or April\or May\or June\or
! 1483: %July\or August\or September\or October\or November\or December\fi
! 1484: %\space\number\day, \number\year}
! 1485:
! 1486: % @settitle line... specifies the title of the document, for headings
! 1487: % It generates no output of its own
! 1488:
! 1489: \def\thistitle{No Title}
! 1490: \def\settitle{\parsearg\settitlezzz}
! 1491: \def\settitlezzz #1{\gdef\thistitle{#1}}
! 1492:
! 1493: \message{tables,}
! 1494:
! 1495: % @tabs -- simple alignment
! 1496:
! 1497: % These don't work. For one thing, \+ is defined as outer.
! 1498: % So these macros cannot even be defined.
! 1499:
! 1500: %\def\tabs{\parsearg\tabszzz}
! 1501: %\def\tabszzz #1{\settabs\+#1\cr}
! 1502: %\def\tabline{\parsearg\tablinezzz}
! 1503: %\def\tablinezzz #1{\+#1\cr}
! 1504: %\def\&{&}
! 1505:
! 1506: % Tables -- @table, @ftable, @vtable, @item(x), @kitem(x), @xitem(x).
! 1507:
! 1508: % default indentation of table text
! 1509: \newdimen\tableindent \tableindent=.8in
! 1510: % default indentation of @itemize and @enumerate text
! 1511: \newdimen\itemindent \itemindent=.3in
! 1512: % margin between end of table item and start of table text.
! 1513: \newdimen\itemmargin \itemmargin=.1in
! 1514:
! 1515: % used internally for \itemindent minus \itemmargin
! 1516: \newdimen\itemmax
! 1517:
! 1518: % Note @table, @vtable, and @vtable define @item, @itemx, etc., with
! 1519: % these defs.
! 1520: % They also define \itemindex
! 1521: % to index the item name in whatever manner is desired (perhaps none).
! 1522:
! 1523: \newif\ifitemxneedsnegativevskip
! 1524:
! 1525: \def\itemxpar{\par\ifitemxneedsnegativevskip\nobreak\vskip-\parskip\nobreak\fi}
! 1526:
! 1527: \def\internalBitem{\smallbreak \parsearg\itemzzz}
! 1528: \def\internalBitemx{\itemxpar \parsearg\itemzzz}
! 1529:
! 1530: \def\internalBxitem "#1"{\def\xitemsubtopix{#1} \smallbreak \parsearg\xitemzzz}
! 1531: \def\internalBxitemx "#1"{\def\xitemsubtopix{#1} \itemxpar \parsearg\xitemzzz}
! 1532:
! 1533: \def\internalBkitem{\smallbreak \parsearg\kitemzzz}
! 1534: \def\internalBkitemx{\itemxpar \parsearg\kitemzzz}
! 1535:
! 1536: \def\kitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \lastfunction}}%
! 1537: \itemzzz {#1}}
! 1538:
! 1539: \def\xitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \xitemsubtopic}}%
! 1540: \itemzzz {#1}}
! 1541:
! 1542: \def\itemzzz #1{\begingroup %
! 1543: \advance\hsize by -\rightskip
! 1544: \advance\hsize by -\tableindent
! 1545: \setbox0=\hbox{\itemfont{#1}}%
! 1546: \itemindex{#1}%
! 1547: \nobreak % This prevents a break before @itemx.
! 1548: %
! 1549: % Be sure we are not still in the middle of a paragraph.
! 1550: %{\parskip = 0in
! 1551: %\par
! 1552: %}%
! 1553: %
! 1554: % If the item text does not fit in the space we have, put it on a line
! 1555: % by itself, and do not allow a page break either before or after that
! 1556: % line. We do not start a paragraph here because then if the next
! 1557: % command is, e.g., @kindex, the whatsit would get put into the
! 1558: % horizontal list on a line by itself, resulting in extra blank space.
! 1559: \ifdim \wd0>\itemmax
! 1560: %
! 1561: % Make this a paragraph so we get the \parskip glue and wrapping,
! 1562: % but leave it ragged-right.
! 1563: \begingroup
! 1564: \advance\leftskip by-\tableindent
! 1565: \advance\hsize by\tableindent
! 1566: \advance\rightskip by0pt plus1fil
! 1567: \leavevmode\unhbox0\par
! 1568: \endgroup
! 1569: %
! 1570: % We're going to be starting a paragraph, but we don't want the
! 1571: % \parskip glue -- logically it's part of the @item we just started.
! 1572: \nobreak \vskip-\parskip
! 1573: %
! 1574: % Stop a page break at the \parskip glue coming up. Unfortunately
! 1575: % we can't prevent a possible page break at the following
! 1576: % \baselineskip glue.
! 1577: \nobreak
! 1578: \endgroup
! 1579: \itemxneedsnegativevskipfalse
! 1580: \else
! 1581: % The item text fits into the space. Start a paragraph, so that the
! 1582: % following text (if any) will end up on the same line. Since that
! 1583: % text will be indented by \tableindent, we make the item text be in
! 1584: % a zero-width box.
! 1585: \noindent
! 1586: \rlap{\hskip -\tableindent\box0}\ignorespaces%
! 1587: \endgroup%
! 1588: \itemxneedsnegativevskiptrue%
! 1589: \fi
! 1590: }
! 1591:
! 1592: \def\item{\errmessage{@item while not in a table}}
! 1593: \def\itemx{\errmessage{@itemx while not in a table}}
! 1594: \def\kitem{\errmessage{@kitem while not in a table}}
! 1595: \def\kitemx{\errmessage{@kitemx while not in a table}}
! 1596: \def\xitem{\errmessage{@xitem while not in a table}}
! 1597: \def\xitemx{\errmessage{@xitemx while not in a table}}
! 1598:
! 1599: %% Contains a kludge to get @end[description] to work
! 1600: \def\description{\tablez{\dontindex}{1}{}{}{}{}}
! 1601:
! 1602: \def\table{\begingroup\inENV\obeylines\obeyspaces\tablex}
! 1603: {\obeylines\obeyspaces%
! 1604: \gdef\tablex #1^^M{%
! 1605: \tabley\dontindex#1 \endtabley}}
! 1606:
! 1607: \def\ftable{\begingroup\inENV\obeylines\obeyspaces\ftablex}
! 1608: {\obeylines\obeyspaces%
! 1609: \gdef\ftablex #1^^M{%
! 1610: \tabley\fnitemindex#1 \endtabley
! 1611: \def\Eftable{\endgraf\afterenvbreak\endgroup}%
! 1612: \let\Etable=\relax}}
! 1613:
! 1614: \def\vtable{\begingroup\inENV\obeylines\obeyspaces\vtablex}
! 1615: {\obeylines\obeyspaces%
! 1616: \gdef\vtablex #1^^M{%
! 1617: \tabley\vritemindex#1 \endtabley
! 1618: \def\Evtable{\endgraf\afterenvbreak\endgroup}%
! 1619: \let\Etable=\relax}}
! 1620:
! 1621: \def\dontindex #1{}
! 1622: \def\fnitemindex #1{\doind {fn}{\code{#1}}}%
! 1623: \def\vritemindex #1{\doind {vr}{\code{#1}}}%
! 1624:
! 1625: {\obeyspaces %
! 1626: \gdef\tabley#1#2 #3 #4 #5 #6 #7\endtabley{\endgroup%
! 1627: \tablez{#1}{#2}{#3}{#4}{#5}{#6}}}
! 1628:
! 1629: \def\tablez #1#2#3#4#5#6{%
! 1630: \aboveenvbreak %
! 1631: \begingroup %
! 1632: \def\Edescription{\Etable}% Necessary kludge.
! 1633: \let\itemindex=#1%
! 1634: \ifnum 0#3>0 \advance \leftskip by #3\mil \fi %
! 1635: \ifnum 0#4>0 \tableindent=#4\mil \fi %
! 1636: \ifnum 0#5>0 \advance \rightskip by #5\mil \fi %
! 1637: \def\itemfont{#2}%
! 1638: \itemmax=\tableindent %
! 1639: \advance \itemmax by -\itemmargin %
! 1640: \advance \leftskip by \tableindent %
! 1641: \exdentamount=\tableindent
! 1642: \parindent = 0pt
! 1643: \parskip = \smallskipamount
! 1644: \ifdim \parskip=0pt \parskip=2pt \fi%
! 1645: \def\Etable{\endgraf\afterenvbreak\endgroup}%
! 1646: \let\item = \internalBitem %
! 1647: \let\itemx = \internalBitemx %
! 1648: \let\kitem = \internalBkitem %
! 1649: \let\kitemx = \internalBkitemx %
! 1650: \let\xitem = \internalBxitem %
! 1651: \let\xitemx = \internalBxitemx %
! 1652: }
! 1653:
! 1654: % This is the counter used by @enumerate, which is really @itemize
! 1655:
! 1656: \newcount \itemno
! 1657:
! 1658: \def\itemize{\parsearg\itemizezzz}
! 1659:
! 1660: \def\itemizezzz #1{%
! 1661: \begingroup % ended by the @end itemsize
! 1662: \itemizey {#1}{\Eitemize}
! 1663: }
! 1664:
! 1665: \def\itemizey #1#2{%
! 1666: \aboveenvbreak %
! 1667: \itemmax=\itemindent %
! 1668: \advance \itemmax by -\itemmargin %
! 1669: \advance \leftskip by \itemindent %
! 1670: \exdentamount=\itemindent
! 1671: \parindent = 0pt %
! 1672: \parskip = \smallskipamount %
! 1673: \ifdim \parskip=0pt \parskip=2pt \fi%
! 1674: \def#2{\endgraf\afterenvbreak\endgroup}%
! 1675: \def\itemcontents{#1}%
! 1676: \let\item=\itemizeitem}
! 1677:
! 1678: % Set sfcode to normal for the chars that usually have another value.
! 1679: % These are `.?!:;,'
! 1680: \def\frenchspacing{\sfcode46=1000 \sfcode63=1000 \sfcode33=1000
! 1681: \sfcode58=1000 \sfcode59=1000 \sfcode44=1000 }
! 1682:
! 1683: % \splitoff TOKENS\endmark defines \first to be the first token in
! 1684: % TOKENS, and \rest to be the remainder.
! 1685: %
! 1686: \def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}%
! 1687:
! 1688: % Allow an optional argument of an uppercase letter, lowercase letter,
! 1689: % or number, to specify the first label in the enumerated list. No
! 1690: % argument is the same as `1'.
! 1691: %
! 1692: \def\enumerate{\parsearg\enumeratezzz}
! 1693: \def\enumeratezzz #1{\enumeratey #1 \endenumeratey}
! 1694: \def\enumeratey #1 #2\endenumeratey{%
! 1695: \begingroup % ended by the @end enumerate
! 1696: %
! 1697: % If we were given no argument, pretend we were given `1'.
! 1698: \def\thearg{#1}%
! 1699: \ifx\thearg\empty \def\thearg{1}\fi
! 1700: %
! 1701: % Detect if the argument is a single token. If so, it might be a
! 1702: % letter. Otherwise, the only valid thing it can be is a number.
! 1703: % (We will always have one token, because of the test we just made.
! 1704: % This is a good thing, since \splitoff doesn't work given nothing at
! 1705: % all -- the first parameter is undelimited.)
! 1706: \expandafter\splitoff\thearg\endmark
! 1707: \ifx\rest\empty
! 1708: % Only one token in the argument. It could still be anything.
! 1709: % A ``lowercase letter'' is one whose \lccode is nonzero.
! 1710: % An ``uppercase letter'' is one whose \lccode is both nonzero, and
! 1711: % not equal to itself.
! 1712: % Otherwise, we assume it's a number.
! 1713: %
! 1714: % We need the \relax at the end of the \ifnum lines to stop TeX from
! 1715: % continuing to look for a <number>.
! 1716: %
! 1717: \ifnum\lccode\expandafter`\thearg=0\relax
! 1718: \numericenumerate % a number (we hope)
! 1719: \else
! 1720: % It's a letter.
! 1721: \ifnum\lccode\expandafter`\thearg=\expandafter`\thearg\relax
! 1722: \lowercaseenumerate % lowercase letter
! 1723: \else
! 1724: \uppercaseenumerate % uppercase letter
! 1725: \fi
! 1726: \fi
! 1727: \else
! 1728: % Multiple tokens in the argument. We hope it's a number.
! 1729: \numericenumerate
! 1730: \fi
! 1731: }
! 1732:
! 1733: % An @enumerate whose labels are integers. The starting integer is
! 1734: % given in \thearg.
! 1735: %
! 1736: \def\numericenumerate{%
! 1737: \itemno = \thearg
! 1738: \startenumeration{\the\itemno}%
! 1739: }
! 1740:
! 1741: % The starting (lowercase) letter is in \thearg.
! 1742: \def\lowercaseenumerate{%
! 1743: \itemno = \expandafter`\thearg
! 1744: \startenumeration{%
! 1745: % Be sure we're not beyond the end of the alphabet.
! 1746: \ifnum\itemno=0
! 1747: \errmessage{No more lowercase letters in @enumerate; get a bigger
! 1748: alphabet}%
! 1749: \fi
! 1750: \char\lccode\itemno
! 1751: }%
! 1752: }
! 1753:
! 1754: % The starting (uppercase) letter is in \thearg.
! 1755: \def\uppercaseenumerate{%
! 1756: \itemno = \expandafter`\thearg
! 1757: \startenumeration{%
! 1758: % Be sure we're not beyond the end of the alphabet.
! 1759: \ifnum\itemno=0
! 1760: \errmessage{No more uppercase letters in @enumerate; get a bigger
! 1761: alphabet}
! 1762: \fi
! 1763: \char\uccode\itemno
! 1764: }%
! 1765: }
! 1766:
! 1767: % Call itemizey, adding a period to the first argument and supplying the
! 1768: % common last two arguments. Also subtract one from the initial value in
! 1769: % \itemno, since @item increments \itemno.
! 1770: %
! 1771: \def\startenumeration#1{%
! 1772: \advance\itemno by -1
! 1773: \itemizey{#1.}\Eenumerate\flushcr
! 1774: }
! 1775:
! 1776: % @alphaenumerate and @capsenumerate are abbreviations for giving an arg
! 1777: % to @enumerate.
! 1778: %
! 1779: \def\alphaenumerate{\enumerate{a}}
! 1780: \def\capsenumerate{\enumerate{A}}
! 1781: \def\Ealphaenumerate{\Eenumerate}
! 1782: \def\Ecapsenumerate{\Eenumerate}
! 1783:
! 1784: % Definition of @item while inside @itemize.
! 1785:
! 1786: \def\itemizeitem{%
! 1787: \advance\itemno by 1
! 1788: {\let\par=\endgraf \smallbreak}%
! 1789: \ifhmode \errmessage{\in hmode at itemizeitem}\fi
! 1790: {\parskip=0in \hskip 0pt
! 1791: \hbox to 0pt{\hss \itemcontents\hskip \itemmargin}%
! 1792: \vadjust{\penalty 1200}}%
! 1793: \flushcr}
! 1794:
! 1795: % @multitable macros
! 1796: % Amy Hendrickson, 8/18/94, 3/6/96
! 1797: %
! 1798: % @multitable ... @end multitable will make as many columns as desired.
! 1799: % Contents of each column will wrap at width given in preamble. Width
! 1800: % can be specified either with sample text given in a template line,
! 1801: % or in percent of \hsize, the current width of text on page.
! 1802:
! 1803: % Table can continue over pages but will only break between lines.
! 1804:
! 1805: % To make preamble:
! 1806: %
! 1807: % Either define widths of columns in terms of percent of \hsize:
! 1808: % @multitable @columnfractions .25 .3 .45
! 1809: % @item ...
! 1810: %
! 1811: % Numbers following @columnfractions are the percent of the total
! 1812: % current hsize to be used for each column. You may use as many
! 1813: % columns as desired.
! 1814:
! 1815: % Or use a template:
! 1816: % @multitable {Column 1 template} {Column 2 template} {Column 3 template}
! 1817: % @item ...
! 1818: % using the widest term desired in each column.
! 1819: %
! 1820: % For those who want to use more than one line's worth of words in
! 1821: % the preamble, break the line within one argument and it
! 1822: % will parse correctly, i.e.,
! 1823: %
! 1824: % @multitable {Column 1 template} {Column 2 template} {Column 3
! 1825: % template}
! 1826: % Not:
! 1827: % @multitable {Column 1 template} {Column 2 template}
! 1828: % {Column 3 template}
! 1829:
! 1830: % Each new table line starts with @item, each subsequent new column
! 1831: % starts with @tab. Empty columns may be produced by supplying @tab's
! 1832: % with nothing between them for as many times as empty columns are needed,
! 1833: % ie, @tab@tab@tab will produce two empty columns.
! 1834:
! 1835: % @item, @tab, @multicolumn or @endmulticolumn do not need to be on their
! 1836: % own lines, but it will not hurt if they are.
! 1837:
! 1838: % Sample multitable:
! 1839:
! 1840: % @multitable {Column 1 template} {Column 2 template} {Column 3 template}
! 1841: % @item first col stuff @tab second col stuff @tab third col
! 1842: % @item
! 1843: % first col stuff
! 1844: % @tab
! 1845: % second col stuff
! 1846: % @tab
! 1847: % third col
! 1848: % @item first col stuff @tab second col stuff
! 1849: % @tab Many paragraphs of text may be used in any column.
! 1850: %
! 1851: % They will wrap at the width determined by the template.
! 1852: % @item@tab@tab This will be in third column.
! 1853: % @end multitable
! 1854:
! 1855: % Default dimensions may be reset by user.
! 1856: % @multitableparskip is vertical space between paragraphs in table.
! 1857: % @multitableparindent is paragraph indent in table.
! 1858: % @multitablecolmargin is horizontal space to be left between columns.
! 1859: % @multitablelinespace is space to leave between table items, baseline
! 1860: % to baseline.
! 1861: % 0pt means it depends on current normal line spacing.
! 1862:
! 1863: %%%%
! 1864: % Dimensions
! 1865:
! 1866: \newskip\multitableparskip
! 1867: \newskip\multitableparindent
! 1868: \newdimen\multitablecolspace
! 1869: \newskip\multitablelinespace
! 1870: \multitableparskip=0pt
! 1871: \multitableparindent=6pt
! 1872: \multitablecolspace=12pt
! 1873: \multitablelinespace=0pt
! 1874:
! 1875: %%%%
! 1876: % Macros used to set up halign preamble:
! 1877: \let\endsetuptable\relax
! 1878: \def\xendsetuptable{\endsetuptable}
! 1879: \let\columnfractions\relax
! 1880: \def\xcolumnfractions{\columnfractions}
! 1881: \newif\ifsetpercent
! 1882:
! 1883: %% 2/1/96, to allow fractions to be given with more than one digit.
! 1884: \def\pickupwholefraction#1 {\global\advance\colcount by1 %
! 1885: \expandafter\xdef\csname col\the\colcount\endcsname{.#1\hsize}%
! 1886: \setuptable}
! 1887:
! 1888: \newcount\colcount
! 1889: \def\setuptable#1{\def\firstarg{#1}%
! 1890: \ifx\firstarg\xendsetuptable\let\go\relax%
! 1891: \else
! 1892: \ifx\firstarg\xcolumnfractions\global\setpercenttrue%
! 1893: \else
! 1894: \ifsetpercent
! 1895: \let\go\pickupwholefraction % In this case arg of setuptable
! 1896: % is the decimal point before the
! 1897: % number given in percent of hsize.
! 1898: % We don't need this so we don't use it.
! 1899: \else
! 1900: \global\advance\colcount by1
! 1901: \setbox0=\hbox{#1}%
! 1902: \expandafter\xdef\csname col\the\colcount\endcsname{\the\wd0}%
! 1903: \fi%
! 1904: \fi%
! 1905: \ifx\go\pickupwholefraction\else\let\go\setuptable\fi%
! 1906: \fi\go}
! 1907:
! 1908: %%%%
! 1909: % multitable syntax
! 1910: \def\tab{&\hskip1sp\relax} % 2/2/96
! 1911: % tiny skip here makes sure this column space is
! 1912: % maintained, even if it is never used.
! 1913:
! 1914:
! 1915: %%%%
! 1916: % @multitable ... @end multitable definitions:
! 1917:
! 1918: \def\multitable{\parsearg\dotable}
! 1919:
! 1920: \def\dotable#1{\bgroup
! 1921: \let\item\cr
! 1922: \tolerance=9500
! 1923: \hbadness=9500
! 1924: \setmultitablespacing
! 1925: \parskip=\multitableparskip
! 1926: \parindent=\multitableparindent
! 1927: \overfullrule=0pt
! 1928: \global\colcount=0\relax%
! 1929: \def\Emultitable{\global\setpercentfalse\global\everycr{}\cr\egroup\egroup}%
! 1930: % To parse everything between @multitable and @item :
! 1931: \setuptable#1 \endsetuptable
! 1932: % Need to reset this to 0 after \setuptable.
! 1933: \global\colcount=0\relax%
! 1934: %
! 1935: % This preamble sets up a generic column definition, which will
! 1936: % be used as many times as user calls for columns.
! 1937: % \vtop will set a single line and will also let text wrap and
! 1938: % continue for many paragraphs if desired.
! 1939: \halign\bgroup&\global\advance\colcount by 1\relax%
! 1940: \multistrut\vtop{\hsize=\expandafter\csname col\the\colcount\endcsname
! 1941: % In order to keep entries from bumping into each other
! 1942: % we will add a \leftskip of \multitablecolspace to all columns after
! 1943: % the first one.
! 1944: % If a template has been used, we will add \multitablecolspace
! 1945: % to the width of each template entry.
! 1946: % If user has set preamble in terms of percent of \hsize
! 1947: % we will use that dimension as the width of the column, and
! 1948: % the \leftskip will keep entries from bumping into each other.
! 1949: % Table will start at left margin and final column will justify at
! 1950: % right margin.
! 1951: \ifnum\colcount=1
! 1952: \else
! 1953: \ifsetpercent
! 1954: \else
! 1955: % If user has <not> set preamble in terms of percent of \hsize
! 1956: % we will advance \hsize by \multitablecolspace
! 1957: \advance\hsize by \multitablecolspace
! 1958: \fi
! 1959: % In either case we will make \leftskip=\multitablecolspace:
! 1960: \leftskip=\multitablecolspace
! 1961: \fi
! 1962: \noindent##}\cr%
! 1963: % \everycr will reset column counter, \colcount, at the end of
! 1964: % each line. Every column entry will cause \colcount to advance by one.
! 1965: % The table preamble
! 1966: % looks at the current \colcount to find the correct column width.
! 1967: \global\everycr{\noalign{%
! 1968: \filbreak%% keeps underfull box messages off when table breaks over pages.
! 1969: \global\colcount=0\relax}}
! 1970: }
! 1971:
! 1972: \def\setmultitablespacing{% test to see if user has set \multitablelinespace.
! 1973: % If so, do nothing. If not, give it an appropriate dimension based on
! 1974: % current baselineskip.
! 1975: \setbox0=\vbox{Xy}
! 1976: \ifdim\multitablelinespace=0pt
! 1977: %% strut to put in table in case some entry doesn't have descenders,
! 1978: %% to keep lines equally spaced
! 1979: \gdef\multistrut{\vrule height\ht0 depth\dp0 width0pt\relax}
! 1980: %% Test to see if parskip is larger than space between lines of
! 1981: %% table. If not, do nothing.
! 1982: %% If so, set to same dimension as multitablelinespace.
! 1983: \else
! 1984: \gdef\multistrut{\vrule height\multitablelinespace depth\dp0
! 1985: width0pt\relax} \fi
! 1986: \ifdim\multitableparskip>\multitablelinespace
! 1987: \global\multitableparskip=\multitablelinespace
! 1988: \global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
! 1989: %% than skip between lines in the table.
! 1990: \fi%
! 1991: \ifdim\multitableparskip=0pt
! 1992: \global\multitableparskip=\multitablelinespace
! 1993: \global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
! 1994: %% than skip between lines in the table.
! 1995: \fi}
! 1996: \message{indexing,}
! 1997: % Index generation facilities
! 1998:
! 1999: % Define \newwrite to be identical to plain tex's \newwrite
! 2000: % except not \outer, so it can be used within \newindex.
! 2001: {\catcode`\@=11
! 2002: \gdef\newwrite{\alloc@7\write\chardef\sixt@@n}}
! 2003:
! 2004: % \newindex {foo} defines an index named foo.
! 2005: % It automatically defines \fooindex such that
! 2006: % \fooindex ...rest of line... puts an entry in the index foo.
! 2007: % It also defines \fooindfile to be the number of the output channel for
! 2008: % the file that accumulates this index. The file's extension is foo.
! 2009: % The name of an index should be no more than 2 characters long
! 2010: % for the sake of vms.
! 2011:
! 2012: \def\newindex #1{
! 2013: \expandafter\newwrite \csname#1indfile\endcsname% Define number for output file
! 2014: \openout \csname#1indfile\endcsname \jobname.#1 % Open the file
! 2015: \expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
! 2016: \noexpand\doindex {#1}}
! 2017: }
! 2018:
! 2019: % @defindex foo == \newindex{foo}
! 2020:
! 2021: \def\defindex{\parsearg\newindex}
! 2022:
! 2023: % Define @defcodeindex, like @defindex except put all entries in @code.
! 2024:
! 2025: \def\newcodeindex #1{
! 2026: \expandafter\newwrite \csname#1indfile\endcsname% Define number for output file
! 2027: \openout \csname#1indfile\endcsname \jobname.#1 % Open the file
! 2028: \expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
! 2029: \noexpand\docodeindex {#1}}
! 2030: }
! 2031:
! 2032: \def\defcodeindex{\parsearg\newcodeindex}
! 2033:
! 2034: % @synindex foo bar makes index foo feed into index bar.
! 2035: % Do this instead of @defindex foo if you don't want it as a separate index.
! 2036: \def\synindex #1 #2 {%
! 2037: \expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
! 2038: \expandafter\let\csname#1indfile\endcsname=\synindexfoo
! 2039: \expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
! 2040: \noexpand\doindex {#2}}%
! 2041: }
! 2042:
! 2043: % @syncodeindex foo bar similar, but put all entries made for index foo
! 2044: % inside @code.
! 2045: \def\syncodeindex #1 #2 {%
! 2046: \expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
! 2047: \expandafter\let\csname#1indfile\endcsname=\synindexfoo
! 2048: \expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
! 2049: \noexpand\docodeindex {#2}}%
! 2050: }
! 2051:
! 2052: % Define \doindex, the driver for all \fooindex macros.
! 2053: % Argument #1 is generated by the calling \fooindex macro,
! 2054: % and it is "foo", the name of the index.
! 2055:
! 2056: % \doindex just uses \parsearg; it calls \doind for the actual work.
! 2057: % This is because \doind is more useful to call from other macros.
! 2058:
! 2059: % There is also \dosubind {index}{topic}{subtopic}
! 2060: % which makes an entry in a two-level index such as the operation index.
! 2061:
! 2062: \def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer}
! 2063: \def\singleindexer #1{\doind{\indexname}{#1}}
! 2064:
! 2065: % like the previous two, but they put @code around the argument.
! 2066: \def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer}
! 2067: \def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}}
! 2068:
! 2069: \def\indexdummies{%
! 2070: % Take care of the plain tex accent commands.
! 2071: \def\"{\realbackslash "}%
! 2072: \def\`{\realbackslash `}%
! 2073: \def\'{\realbackslash '}%
! 2074: \def\^{\realbackslash ^}%
! 2075: \def\~{\realbackslash ~}%
! 2076: \def\={\realbackslash =}%
! 2077: \def\b{\realbackslash b}%
! 2078: \def\c{\realbackslash c}%
! 2079: \def\d{\realbackslash d}%
! 2080: \def\u{\realbackslash u}%
! 2081: \def\v{\realbackslash v}%
! 2082: \def\H{\realbackslash H}%
! 2083: % Take care of the plain tex special European modified letters.
! 2084: \def\oe{\realbackslash oe}%
! 2085: \def\ae{\realbackslash ae}%
! 2086: \def\aa{\realbackslash aa}%
! 2087: \def\OE{\realbackslash OE}%
! 2088: \def\AE{\realbackslash AE}%
! 2089: \def\AA{\realbackslash AA}%
! 2090: \def\o{\realbackslash o}%
! 2091: \def\O{\realbackslash O}%
! 2092: \def\l{\realbackslash l}%
! 2093: \def\L{\realbackslash L}%
! 2094: \def\ss{\realbackslash ss}%
! 2095: % Take care of texinfo commands likely to appear in an index entry.
! 2096: \def\_{{\realbackslash _}}%
! 2097: \def\w{\realbackslash w }%
! 2098: \def\bf{\realbackslash bf }%
! 2099: \def\rm{\realbackslash rm }%
! 2100: \def\sl{\realbackslash sl }%
! 2101: \def\sf{\realbackslash sf}%
! 2102: \def\tt{\realbackslash tt}%
! 2103: \def\gtr{\realbackslash gtr}%
! 2104: \def\less{\realbackslash less}%
! 2105: \def\hat{\realbackslash hat}%
! 2106: \def\char{\realbackslash char}%
! 2107: \def\TeX{\realbackslash TeX}%
! 2108: \def\dots{\realbackslash dots }%
! 2109: \def\copyright{\realbackslash copyright }%
! 2110: \def\tclose##1{\realbackslash tclose {##1}}%
! 2111: \def\code##1{\realbackslash code {##1}}%
! 2112: \def\samp##1{\realbackslash samp {##1}}%
! 2113: \def\t##1{\realbackslash r {##1}}%
! 2114: \def\r##1{\realbackslash r {##1}}%
! 2115: \def\i##1{\realbackslash i {##1}}%
! 2116: \def\b##1{\realbackslash b {##1}}%
! 2117: \def\cite##1{\realbackslash cite {##1}}%
! 2118: \def\key##1{\realbackslash key {##1}}%
! 2119: \def\file##1{\realbackslash file {##1}}%
! 2120: \def\var##1{\realbackslash var {##1}}%
! 2121: \def\kbd##1{\realbackslash kbd {##1}}%
! 2122: \def\dfn##1{\realbackslash dfn {##1}}%
! 2123: \def\emph##1{\realbackslash emph {##1}}%
! 2124: \unsepspaces
! 2125: }
! 2126:
! 2127: % If an index command is used in an @example environment, any spaces
! 2128: % therein should become regular spaces in the raw index file, not the
! 2129: % expansion of \tie (\\leavevmode \penalty \@M \ ).
! 2130: {\obeyspaces
! 2131: \gdef\unsepspaces{\obeyspaces\let =\space}}
! 2132:
! 2133: % \indexnofonts no-ops all font-change commands.
! 2134: % This is used when outputting the strings to sort the index by.
! 2135: \def\indexdummyfont#1{#1}
! 2136: \def\indexdummytex{TeX}
! 2137: \def\indexdummydots{...}
! 2138:
! 2139: \def\indexnofonts{%
! 2140: % Just ignore accents.
! 2141: \let\"=\indexdummyfont
! 2142: \let\`=\indexdummyfont
! 2143: \let\'=\indexdummyfont
! 2144: \let\^=\indexdummyfont
! 2145: \let\~=\indexdummyfont
! 2146: \let\==\indexdummyfont
! 2147: \let\b=\indexdummyfont
! 2148: \let\c=\indexdummyfont
! 2149: \let\d=\indexdummyfont
! 2150: \let\u=\indexdummyfont
! 2151: \let\v=\indexdummyfont
! 2152: \let\H=\indexdummyfont
! 2153: % Take care of the plain tex special European modified letters.
! 2154: \def\oe{oe}%
! 2155: \def\ae{ae}%
! 2156: \def\aa{aa}%
! 2157: \def\OE{OE}%
! 2158: \def\AE{AE}%
! 2159: \def\AA{AA}%
! 2160: \def\o{o}%
! 2161: \def\O{O}%
! 2162: \def\l{l}%
! 2163: \def\L{L}%
! 2164: \def\ss{ss}%
! 2165: \let\w=\indexdummyfont
! 2166: \let\t=\indexdummyfont
! 2167: \let\r=\indexdummyfont
! 2168: \let\i=\indexdummyfont
! 2169: \let\b=\indexdummyfont
! 2170: \let\emph=\indexdummyfont
! 2171: \let\strong=\indexdummyfont
! 2172: \let\cite=\indexdummyfont
! 2173: \let\sc=\indexdummyfont
! 2174: %Don't no-op \tt, since it isn't a user-level command
! 2175: % and is used in the definitions of the active chars like <, >, |...
! 2176: %\let\tt=\indexdummyfont
! 2177: \let\tclose=\indexdummyfont
! 2178: \let\code=\indexdummyfont
! 2179: \let\file=\indexdummyfont
! 2180: \let\samp=\indexdummyfont
! 2181: \let\kbd=\indexdummyfont
! 2182: \let\key=\indexdummyfont
! 2183: \let\var=\indexdummyfont
! 2184: \let\TeX=\indexdummytex
! 2185: \let\dots=\indexdummydots
! 2186: }
! 2187:
! 2188: % To define \realbackslash, we must make \ not be an escape.
! 2189: % We must first make another character (@) an escape
! 2190: % so we do not become unable to do a definition.
! 2191:
! 2192: {\catcode`\@=0 \catcode`\\=\other
! 2193: @gdef@realbackslash{\}}
! 2194:
! 2195: \let\indexbackslash=0 %overridden during \printindex.
! 2196:
! 2197: \let\SETmarginindex=\relax %initialize!
! 2198: % workhorse for all \fooindexes
! 2199: % #1 is name of index, #2 is stuff to put there
! 2200: \def\doind #1#2{%
! 2201: % Put the index entry in the margin if desired.
! 2202: \ifx\SETmarginindex\relax\else%
! 2203: \insert\margin{\hbox{\vrule height8pt depth3pt width0pt #2}}%
! 2204: \fi%
! 2205: {\count10=\lastpenalty %
! 2206: {\indexdummies % Must do this here, since \bf, etc expand at this stage
! 2207: \escapechar=`\\%
! 2208: {\let\folio=0% Expand all macros now EXCEPT \folio
! 2209: \def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now
! 2210: % so it will be output as is; and it will print as backslash in the indx.
! 2211: %
! 2212: % Now process the index-string once, with all font commands turned off,
! 2213: % to get the string to sort the index by.
! 2214: {\indexnofonts
! 2215: \xdef\temp1{#2}%
! 2216: }%
! 2217: % Now produce the complete index entry. We process the index-string again,
! 2218: % this time with font commands expanded, to get what to print in the index.
! 2219: \edef\temp{%
! 2220: \write \csname#1indfile\endcsname{%
! 2221: \realbackslash entry {\temp1}{\folio}{#2}}}%
! 2222: \temp }%
! 2223: }\penalty\count10}}
! 2224:
! 2225: \def\dosubind #1#2#3{%
! 2226: {\count10=\lastpenalty %
! 2227: {\indexdummies % Must do this here, since \bf, etc expand at this stage
! 2228: \escapechar=`\\%
! 2229: {\let\folio=0%
! 2230: \def\rawbackslashxx{\indexbackslash}%
! 2231: %
! 2232: % Now process the index-string once, with all font commands turned off,
! 2233: % to get the string to sort the index by.
! 2234: {\indexnofonts
! 2235: \xdef\temp1{#2 #3}%
! 2236: }%
! 2237: % Now produce the complete index entry. We process the index-string again,
! 2238: % this time with font commands expanded, to get what to print in the index.
! 2239: \edef\temp{%
! 2240: \write \csname#1indfile\endcsname{%
! 2241: \realbackslash entry {\temp1}{\folio}{#2}{#3}}}%
! 2242: \temp }%
! 2243: }\penalty\count10}}
! 2244:
! 2245: % The index entry written in the file actually looks like
! 2246: % \entry {sortstring}{page}{topic}
! 2247: % or
! 2248: % \entry {sortstring}{page}{topic}{subtopic}
! 2249: % The texindex program reads in these files and writes files
! 2250: % containing these kinds of lines:
! 2251: % \initial {c}
! 2252: % before the first topic whose initial is c
! 2253: % \entry {topic}{pagelist}
! 2254: % for a topic that is used without subtopics
! 2255: % \primary {topic}
! 2256: % for the beginning of a topic that is used with subtopics
! 2257: % \secondary {subtopic}{pagelist}
! 2258: % for each subtopic.
! 2259:
! 2260: % Define the user-accessible indexing commands
! 2261: % @findex, @vindex, @kindex, @cindex.
! 2262:
! 2263: \def\findex {\fnindex}
! 2264: \def\kindex {\kyindex}
! 2265: \def\cindex {\cpindex}
! 2266: \def\vindex {\vrindex}
! 2267: \def\tindex {\tpindex}
! 2268: \def\pindex {\pgindex}
! 2269:
! 2270: \def\cindexsub {\begingroup\obeylines\cindexsub}
! 2271: {\obeylines %
! 2272: \gdef\cindexsub "#1" #2^^M{\endgroup %
! 2273: \dosubind{cp}{#2}{#1}}}
! 2274:
! 2275: % Define the macros used in formatting output of the sorted index material.
! 2276:
! 2277: % This is what you call to cause a particular index to get printed.
! 2278: % Write
! 2279: % @unnumbered Function Index
! 2280: % @printindex fn
! 2281:
! 2282: \def\printindex{\parsearg\doprintindex}
! 2283:
! 2284: \def\doprintindex#1{%
! 2285: \tex
! 2286: \dobreak \chapheadingskip {10000}
! 2287: \catcode`\%=\other\catcode`\&=\other\catcode`\#=\other
! 2288: \catcode`\$=\other
! 2289: \catcode`\~=\other
! 2290: \indexbreaks
! 2291: %
! 2292: % The following don't help, since the chars were translated
! 2293: % when the raw index was written, and their fonts were discarded
! 2294: % due to \indexnofonts.
! 2295: %\catcode`\"=\active
! 2296: %\catcode`\^=\active
! 2297: %\catcode`\_=\active
! 2298: %\catcode`\|=\active
! 2299: %\catcode`\<=\active
! 2300: %\catcode`\>=\active
! 2301: % %
! 2302: \def\indexbackslash{\rawbackslashxx}
! 2303: \indexfonts\rm \tolerance=9500 \advance\baselineskip -1pt
! 2304: \begindoublecolumns
! 2305: %
! 2306: % See if the index file exists and is nonempty.
! 2307: \openin 1 \jobname.#1s
! 2308: \ifeof 1
! 2309: % \enddoublecolumns gets confused if there is no text in the index,
! 2310: % and it loses the chapter title and the aux file entries for the
! 2311: % index. The easiest way to prevent this problem is to make sure
! 2312: % there is some text.
! 2313: (Index is nonexistent)
! 2314: \else
! 2315: %
! 2316: % If the index file exists but is empty, then \openin leaves \ifeof
! 2317: % false. We have to make TeX try to read something from the file, so
! 2318: % it can discover if there is anything in it.
! 2319: \read 1 to \temp
! 2320: \ifeof 1
! 2321: (Index is empty)
! 2322: \else
! 2323: \input \jobname.#1s
! 2324: \fi
! 2325: \fi
! 2326: \closein 1
! 2327: \enddoublecolumns
! 2328: \Etex
! 2329: }
! 2330:
! 2331: % These macros are used by the sorted index file itself.
! 2332: % Change them to control the appearance of the index.
! 2333:
! 2334: % Same as \bigskipamount except no shrink.
! 2335: % \balancecolumns gets confused if there is any shrink.
! 2336: \newskip\initialskipamount \initialskipamount 12pt plus4pt
! 2337:
! 2338: \def\initial #1{%
! 2339: {\let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt
! 2340: \ifdim\lastskip<\initialskipamount
! 2341: \removelastskip \penalty-200 \vskip \initialskipamount\fi
! 2342: \line{\secbf#1\hfill}\kern 2pt\penalty10000}}
! 2343:
! 2344: % This typesets a paragraph consisting of #1, dot leaders, and then #2
! 2345: % flush to the right margin. It is used for index and table of contents
! 2346: % entries. The paragraph is indented by \leftskip.
! 2347: %
! 2348: \def\entry #1#2{\begingroup
! 2349: %
! 2350: % Start a new paragraph if necessary, so our assignments below can't
! 2351: % affect previous text.
! 2352: \par
! 2353: %
! 2354: % Do not fill out the last line with white space.
! 2355: \parfillskip = 0in
! 2356: %
! 2357: % No extra space above this paragraph.
! 2358: \parskip = 0in
! 2359: %
! 2360: % Do not prefer a separate line ending with a hyphen to fewer lines.
! 2361: \finalhyphendemerits = 0
! 2362: %
! 2363: % \hangindent is only relevant when the entry text and page number
! 2364: % don't both fit on one line. In that case, bob suggests starting the
! 2365: % dots pretty far over on the line. Unfortunately, a large
! 2366: % indentation looks wrong when the entry text itself is broken across
! 2367: % lines. So we use a small indentation and put up with long leaders.
! 2368: %
! 2369: % \hangafter is reset to 1 (which is the value we want) at the start
! 2370: % of each paragraph, so we need not do anything with that.
! 2371: \hangindent=2em
! 2372: %
! 2373: % When the entry text needs to be broken, just fill out the first line
! 2374: % with blank space.
! 2375: \rightskip = 0pt plus1fil
! 2376: %
! 2377: % Start a ``paragraph'' for the index entry so the line breaking
! 2378: % parameters we've set above will have an effect.
! 2379: \noindent
! 2380: %
! 2381: % Insert the text of the index entry. TeX will do line-breaking on it.
! 2382: #1%
! 2383: % The following is kludged to not output a line of dots in the index if
! 2384: % there are no page numbers. The next person who breaks this will be
! 2385: % cursed by a Unix daemon.
! 2386: \def\tempa{{\rm }}%
! 2387: \def\tempb{#2}%
! 2388: \edef\tempc{\tempa}%
! 2389: \edef\tempd{\tempb}%
! 2390: \ifx\tempc\tempd\ \else%
! 2391: %
! 2392: % If we must, put the page number on a line of its own, and fill out
! 2393: % this line with blank space. (The \hfil is overwhelmed with the
! 2394: % fill leaders glue in \indexdotfill if the page number does fit.)
! 2395: \hfil\penalty50
! 2396: \null\nobreak\indexdotfill % Have leaders before the page number.
! 2397: %
! 2398: % The `\ ' here is removed by the implicit \unskip that TeX does as
! 2399: % part of (the primitive) \par. Without it, a spurious underfull
! 2400: % \hbox ensues.
! 2401: \ #2% The page number ends the paragraph.
! 2402: \fi%
! 2403: \par
! 2404: \endgroup}
! 2405:
! 2406: % Like \dotfill except takes at least 1 em.
! 2407: \def\indexdotfill{\cleaders
! 2408: \hbox{$\mathsurround=0pt \mkern1.5mu ${\it .}$ \mkern1.5mu$}\hskip 1em plus 1fill}
! 2409:
! 2410: \def\primary #1{\line{#1\hfil}}
! 2411:
! 2412: \newskip\secondaryindent \secondaryindent=0.5cm
! 2413:
! 2414: \def\secondary #1#2{
! 2415: {\parfillskip=0in \parskip=0in
! 2416: \hangindent =1in \hangafter=1
! 2417: \noindent\hskip\secondaryindent\hbox{#1}\indexdotfill #2\par
! 2418: }}
! 2419:
! 2420: %% Define two-column mode, which is used in indexes.
! 2421: %% Adapted from the TeXbook, page 416.
! 2422: \catcode `\@=11
! 2423:
! 2424: \newbox\partialpage
! 2425:
! 2426: \newdimen\doublecolumnhsize
! 2427:
! 2428: \def\begindoublecolumns{\begingroup
! 2429: % Grab any single-column material above us.
! 2430: \output = {\global\setbox\partialpage
! 2431: =\vbox{\unvbox255\kern -\topskip \kern \baselineskip}}%
! 2432: \eject
! 2433: %
! 2434: % Now switch to the double-column output routine.
! 2435: \output={\doublecolumnout}%
! 2436: %
! 2437: % Change the page size parameters. We could do this once outside this
! 2438: % routine, in each of @smallbook, @afourpaper, and the default 8.5x11
! 2439: % format, but then we repeat the same computation. Repeating a couple
! 2440: % of assignments once per index is clearly meaningless for the
! 2441: % execution time, so we may as well do it once.
! 2442: %
! 2443: % First we halve the line length, less a little for the gutter between
! 2444: % the columns. We compute the gutter based on the line length, so it
! 2445: % changes automatically with the paper format. The magic constant
! 2446: % below is chosen so that the gutter has the same value (well, +- <
! 2447: % 1pt) as it did when we hard-coded it.
! 2448: %
! 2449: % We put the result in a separate register, \doublecolumhsize, so we
! 2450: % can restore it in \pagesofar, after \hsize itself has (potentially)
! 2451: % been clobbered.
! 2452: %
! 2453: \doublecolumnhsize = \hsize
! 2454: \advance\doublecolumnhsize by -.04154\hsize
! 2455: \divide\doublecolumnhsize by 2
! 2456: \hsize = \doublecolumnhsize
! 2457: %
! 2458: % Double the \vsize as well. (We don't need a separate register here,
! 2459: % since nobody clobbers \vsize.)
! 2460: \vsize = 2\vsize
! 2461: \doublecolumnpagegoal
! 2462: }
! 2463:
! 2464: \def\enddoublecolumns{\eject \endgroup \pagegoal=\vsize \unvbox\partialpage}
! 2465:
! 2466: \def\doublecolumnsplit{\splittopskip=\topskip \splitmaxdepth=\maxdepth
! 2467: \global\dimen@=\pageheight \global\advance\dimen@ by-\ht\partialpage
! 2468: \global\setbox1=\vsplit255 to\dimen@ \global\setbox0=\vbox{\unvbox1}
! 2469: \global\setbox3=\vsplit255 to\dimen@ \global\setbox2=\vbox{\unvbox3}
! 2470: \ifdim\ht0>\dimen@ \setbox255=\vbox{\unvbox0\unvbox2} \global\setbox255=\copy5 \fi
! 2471: \ifdim\ht2>\dimen@ \setbox255=\vbox{\unvbox0\unvbox2} \global\setbox255=\copy5 \fi
! 2472: }
! 2473: \def\doublecolumnpagegoal{%
! 2474: \dimen@=\vsize \advance\dimen@ by-2\ht\partialpage \global\pagegoal=\dimen@
! 2475: }
! 2476: \def\pagesofar{\unvbox\partialpage %
! 2477: \hsize=\doublecolumnhsize % have to restore this since output routine
! 2478: \wd0=\hsize \wd2=\hsize \hbox to\pagewidth{\box0\hfil\box2}}
! 2479: \def\doublecolumnout{%
! 2480: \setbox5=\copy255
! 2481: {\vbadness=10000 \doublecolumnsplit}
! 2482: \ifvbox255
! 2483: \setbox0=\vtop to\dimen@{\unvbox0}
! 2484: \setbox2=\vtop to\dimen@{\unvbox2}
! 2485: \onepageout\pagesofar \unvbox255 \penalty\outputpenalty
! 2486: \else
! 2487: \setbox0=\vbox{\unvbox5}
! 2488: \ifvbox0
! 2489: \dimen@=\ht0 \advance\dimen@ by\topskip \advance\dimen@ by-\baselineskip
! 2490: \divide\dimen@ by2 \splittopskip=\topskip \splitmaxdepth=\maxdepth
! 2491: {\vbadness=10000
! 2492: \loop \global\setbox5=\copy0
! 2493: \setbox1=\vsplit5 to\dimen@
! 2494: \setbox3=\vsplit5 to\dimen@
! 2495: \ifvbox5 \global\advance\dimen@ by1pt \repeat
! 2496: \setbox0=\vbox to\dimen@{\unvbox1}
! 2497: \setbox2=\vbox to\dimen@{\unvbox3}
! 2498: \global\setbox\partialpage=\vbox{\pagesofar}
! 2499: \doublecolumnpagegoal
! 2500: }
! 2501: \fi
! 2502: \fi
! 2503: }
! 2504:
! 2505: \catcode `\@=\other
! 2506: \message{sectioning,}
! 2507: % Define chapters, sections, etc.
! 2508:
! 2509: \newcount \chapno
! 2510: \newcount \secno \secno=0
! 2511: \newcount \subsecno \subsecno=0
! 2512: \newcount \subsubsecno \subsubsecno=0
! 2513:
! 2514: % This counter is funny since it counts through charcodes of letters A, B, ...
! 2515: \newcount \appendixno \appendixno = `\@
! 2516: \def\appendixletter{\char\the\appendixno}
! 2517:
! 2518: \newwrite \contentsfile
! 2519: % This is called from \setfilename.
! 2520: \def\opencontents{\openout \contentsfile = \jobname.toc}
! 2521:
! 2522: % Each @chapter defines this as the name of the chapter.
! 2523: % page headings and footings can use it. @section does likewise
! 2524:
! 2525: \def\thischapter{} \def\thissection{}
! 2526: \def\seccheck#1{\if \pageno<0 %
! 2527: \errmessage{@#1 not allowed after generating table of contents}\fi
! 2528: %
! 2529: }
! 2530:
! 2531: \def\chapternofonts{%
! 2532: \let\rawbackslash=\relax%
! 2533: \let\frenchspacing=\relax%
! 2534: \def\result{\realbackslash result}
! 2535: \def\equiv{\realbackslash equiv}
! 2536: \def\expansion{\realbackslash expansion}
! 2537: \def\print{\realbackslash print}
! 2538: \def\TeX{\realbackslash TeX}
! 2539: \def\dots{\realbackslash dots}
! 2540: \def\copyright{\realbackslash copyright}
! 2541: \def\tt{\realbackslash tt}
! 2542: \def\bf{\realbackslash bf }
! 2543: \def\w{\realbackslash w}
! 2544: \def\less{\realbackslash less}
! 2545: \def\gtr{\realbackslash gtr}
! 2546: \def\hat{\realbackslash hat}
! 2547: \def\char{\realbackslash char}
! 2548: \def\tclose##1{\realbackslash tclose {##1}}
! 2549: \def\code##1{\realbackslash code {##1}}
! 2550: \def\samp##1{\realbackslash samp {##1}}
! 2551: \def\r##1{\realbackslash r {##1}}
! 2552: \def\b##1{\realbackslash b {##1}}
! 2553: \def\key##1{\realbackslash key {##1}}
! 2554: \def\file##1{\realbackslash file {##1}}
! 2555: \def\kbd##1{\realbackslash kbd {##1}}
! 2556: % These are redefined because @smartitalic wouldn't work inside xdef.
! 2557: \def\i##1{\realbackslash i {##1}}
! 2558: \def\cite##1{\realbackslash cite {##1}}
! 2559: \def\var##1{\realbackslash var {##1}}
! 2560: \def\emph##1{\realbackslash emph {##1}}
! 2561: \def\dfn##1{\realbackslash dfn {##1}}
! 2562: }
! 2563:
! 2564: \newcount\absseclevel % used to calculate proper heading level
! 2565: \newcount\secbase\secbase=0 % @raise/lowersections modify this count
! 2566:
! 2567: % @raisesections: treat @section as chapter, @subsection as section, etc.
! 2568: \def\raisesections{\global\advance\secbase by -1}
! 2569: \let\up=\raisesections % original BFox name
! 2570:
! 2571: % @lowersections: treat @chapter as section, @section as subsection, etc.
! 2572: \def\lowersections{\global\advance\secbase by 1}
! 2573: \let\down=\lowersections % original BFox name
! 2574:
! 2575: % Choose a numbered-heading macro
! 2576: % #1 is heading level if unmodified by @raisesections or @lowersections
! 2577: % #2 is text for heading
! 2578: \def\numhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
! 2579: \ifcase\absseclevel
! 2580: \chapterzzz{#2}
! 2581: \or
! 2582: \seczzz{#2}
! 2583: \or
! 2584: \numberedsubseczzz{#2}
! 2585: \or
! 2586: \numberedsubsubseczzz{#2}
! 2587: \else
! 2588: \ifnum \absseclevel<0
! 2589: \chapterzzz{#2}
! 2590: \else
! 2591: \numberedsubsubseczzz{#2}
! 2592: \fi
! 2593: \fi
! 2594: }
! 2595:
! 2596: % like \numhead, but chooses appendix heading levels
! 2597: \def\apphead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
! 2598: \ifcase\absseclevel
! 2599: \appendixzzz{#2}
! 2600: \or
! 2601: \appendixsectionzzz{#2}
! 2602: \or
! 2603: \appendixsubseczzz{#2}
! 2604: \or
! 2605: \appendixsubsubseczzz{#2}
! 2606: \else
! 2607: \ifnum \absseclevel<0
! 2608: \appendixzzz{#2}
! 2609: \else
! 2610: \appendixsubsubseczzz{#2}
! 2611: \fi
! 2612: \fi
! 2613: }
! 2614:
! 2615: % like \numhead, but chooses numberless heading levels
! 2616: \def\unnmhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
! 2617: \ifcase\absseclevel
! 2618: \unnumberedzzz{#2}
! 2619: \or
! 2620: \unnumberedseczzz{#2}
! 2621: \or
! 2622: \unnumberedsubseczzz{#2}
! 2623: \or
! 2624: \unnumberedsubsubseczzz{#2}
! 2625: \else
! 2626: \ifnum \absseclevel<0
! 2627: \unnumberedzzz{#2}
! 2628: \else
! 2629: \unnumberedsubsubseczzz{#2}
! 2630: \fi
! 2631: \fi
! 2632: }
! 2633:
! 2634:
! 2635: \def\thischaptername{No Chapter Title}
! 2636: \outer\def\chapter{\parsearg\chapteryyy}
! 2637: \def\chapteryyy #1{\numhead0{#1}} % normally numhead0 calls chapterzzz
! 2638: \def\chapterzzz #1{\seccheck{chapter}%
! 2639: \secno=0 \subsecno=0 \subsubsecno=0
! 2640: \global\advance \chapno by 1 \message{\putwordChapter \the\chapno}%
! 2641: \chapmacro {#1}{\the\chapno}%
! 2642: \gdef\thissection{#1}%
! 2643: \gdef\thischaptername{#1}%
! 2644: % We don't substitute the actual chapter name into \thischapter
! 2645: % because we don't want its macros evaluated now.
! 2646: \xdef\thischapter{\putwordChapter{} \the\chapno: \noexpand\thischaptername}%
! 2647: {\chapternofonts%
! 2648: \edef\temp{{\realbackslash chapentry {#1}{\the\chapno}{\noexpand\folio}}}%
! 2649: \escapechar=`\\%
! 2650: \write \contentsfile \temp %
! 2651: \donoderef %
! 2652: \global\let\section = \numberedsec
! 2653: \global\let\subsection = \numberedsubsec
! 2654: \global\let\subsubsection = \numberedsubsubsec
! 2655: }}
! 2656:
! 2657: \outer\def\appendix{\parsearg\appendixyyy}
! 2658: \def\appendixyyy #1{\apphead0{#1}} % normally apphead0 calls appendixzzz
! 2659: \def\appendixzzz #1{\seccheck{appendix}%
! 2660: \secno=0 \subsecno=0 \subsubsecno=0
! 2661: \global\advance \appendixno by 1 \message{Appendix \appendixletter}%
! 2662: \chapmacro {#1}{\putwordAppendix{} \appendixletter}%
! 2663: \gdef\thissection{#1}%
! 2664: \gdef\thischaptername{#1}%
! 2665: \xdef\thischapter{\putwordAppendix{} \appendixletter: \noexpand\thischaptername}%
! 2666: {\chapternofonts%
! 2667: \edef\temp{{\realbackslash chapentry
! 2668: {#1}{\putwordAppendix{} \appendixletter}{\noexpand\folio}}}%
! 2669: \escapechar=`\\%
! 2670: \write \contentsfile \temp %
! 2671: \appendixnoderef %
! 2672: \global\let\section = \appendixsec
! 2673: \global\let\subsection = \appendixsubsec
! 2674: \global\let\subsubsection = \appendixsubsubsec
! 2675: }}
! 2676:
! 2677: % @centerchap is like @unnumbered, but the heading is centered.
! 2678: \outer\def\centerchap{\parsearg\centerchapyyy}
! 2679: \def\centerchapyyy #1{{\let\unnumbchapmacro=\centerchapmacro \unnumberedyyy{#1}}}
! 2680:
! 2681: \outer\def\top{\parsearg\unnumberedyyy}
! 2682: \outer\def\unnumbered{\parsearg\unnumberedyyy}
! 2683: \def\unnumberedyyy #1{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz
! 2684: \def\unnumberedzzz #1{\seccheck{unnumbered}%
! 2685: \secno=0 \subsecno=0 \subsubsecno=0
! 2686: %
! 2687: % This used to be simply \message{#1}, but TeX fully expands the
! 2688: % argument to \message. Therefore, if #1 contained @-commands, TeX
! 2689: % expanded them. For example, in `@unnumbered The @cite{Book}', TeX
! 2690: % expanded @cite (which turns out to cause errors because \cite is meant
! 2691: % to be executed, not expanded).
! 2692: %
! 2693: % Anyway, we don't want the fully-expanded definition of @cite to appear
! 2694: % as a result of the \message, we just want `@cite' itself. We use
! 2695: % \the<toks register> to achieve this: TeX expands \the<toks> only once,
! 2696: % simply yielding the contents of the <toks register>.
! 2697: \toks0 = {#1}\message{(\the\toks0)}%
! 2698: %
! 2699: \unnumbchapmacro {#1}%
! 2700: \gdef\thischapter{#1}\gdef\thissection{#1}%
! 2701: {\chapternofonts%
! 2702: \edef\temp{{\realbackslash unnumbchapentry {#1}{\noexpand\folio}}}%
! 2703: \escapechar=`\\%
! 2704: \write \contentsfile \temp %
! 2705: \unnumbnoderef %
! 2706: \global\let\section = \unnumberedsec
! 2707: \global\let\subsection = \unnumberedsubsec
! 2708: \global\let\subsubsection = \unnumberedsubsubsec
! 2709: }}
! 2710:
! 2711: \outer\def\numberedsec{\parsearg\secyyy}
! 2712: \def\secyyy #1{\numhead1{#1}} % normally calls seczzz
! 2713: \def\seczzz #1{\seccheck{section}%
! 2714: \subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
! 2715: \gdef\thissection{#1}\secheading {#1}{\the\chapno}{\the\secno}%
! 2716: {\chapternofonts%
! 2717: \edef\temp{{\realbackslash secentry %
! 2718: {#1}{\the\chapno}{\the\secno}{\noexpand\folio}}}%
! 2719: \escapechar=`\\%
! 2720: \write \contentsfile \temp %
! 2721: \donoderef %
! 2722: \penalty 10000 %
! 2723: }}
! 2724:
! 2725: \outer\def\appendixsection{\parsearg\appendixsecyyy}
! 2726: \outer\def\appendixsec{\parsearg\appendixsecyyy}
! 2727: \def\appendixsecyyy #1{\apphead1{#1}} % normally calls appendixsectionzzz
! 2728: \def\appendixsectionzzz #1{\seccheck{appendixsection}%
! 2729: \subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
! 2730: \gdef\thissection{#1}\secheading {#1}{\appendixletter}{\the\secno}%
! 2731: {\chapternofonts%
! 2732: \edef\temp{{\realbackslash secentry %
! 2733: {#1}{\appendixletter}{\the\secno}{\noexpand\folio}}}%
! 2734: \escapechar=`\\%
! 2735: \write \contentsfile \temp %
! 2736: \appendixnoderef %
! 2737: \penalty 10000 %
! 2738: }}
! 2739:
! 2740: \outer\def\unnumberedsec{\parsearg\unnumberedsecyyy}
! 2741: \def\unnumberedsecyyy #1{\unnmhead1{#1}} % normally calls unnumberedseczzz
! 2742: \def\unnumberedseczzz #1{\seccheck{unnumberedsec}%
! 2743: \plainsecheading {#1}\gdef\thissection{#1}%
! 2744: {\chapternofonts%
! 2745: \edef\temp{{\realbackslash unnumbsecentry{#1}{\noexpand\folio}}}%
! 2746: \escapechar=`\\%
! 2747: \write \contentsfile \temp %
! 2748: \unnumbnoderef %
! 2749: \penalty 10000 %
! 2750: }}
! 2751:
! 2752: \outer\def\numberedsubsec{\parsearg\numberedsubsecyyy}
! 2753: \def\numberedsubsecyyy #1{\numhead2{#1}} % normally calls numberedsubseczzz
! 2754: \def\numberedsubseczzz #1{\seccheck{subsection}%
! 2755: \gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
! 2756: \subsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}%
! 2757: {\chapternofonts%
! 2758: \edef\temp{{\realbackslash subsecentry %
! 2759: {#1}{\the\chapno}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
! 2760: \escapechar=`\\%
! 2761: \write \contentsfile \temp %
! 2762: \donoderef %
! 2763: \penalty 10000 %
! 2764: }}
! 2765:
! 2766: \outer\def\appendixsubsec{\parsearg\appendixsubsecyyy}
! 2767: \def\appendixsubsecyyy #1{\apphead2{#1}} % normally calls appendixsubseczzz
! 2768: \def\appendixsubseczzz #1{\seccheck{appendixsubsec}%
! 2769: \gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
! 2770: \subsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}%
! 2771: {\chapternofonts%
! 2772: \edef\temp{{\realbackslash subsecentry %
! 2773: {#1}{\appendixletter}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
! 2774: \escapechar=`\\%
! 2775: \write \contentsfile \temp %
! 2776: \appendixnoderef %
! 2777: \penalty 10000 %
! 2778: }}
! 2779:
! 2780: \outer\def\unnumberedsubsec{\parsearg\unnumberedsubsecyyy}
! 2781: \def\unnumberedsubsecyyy #1{\unnmhead2{#1}} %normally calls unnumberedsubseczzz
! 2782: \def\unnumberedsubseczzz #1{\seccheck{unnumberedsubsec}%
! 2783: \plainsecheading {#1}\gdef\thissection{#1}%
! 2784: {\chapternofonts%
! 2785: \edef\temp{{\realbackslash unnumbsubsecentry{#1}{\noexpand\folio}}}%
! 2786: \escapechar=`\\%
! 2787: \write \contentsfile \temp %
! 2788: \unnumbnoderef %
! 2789: \penalty 10000 %
! 2790: }}
! 2791:
! 2792: \outer\def\numberedsubsubsec{\parsearg\numberedsubsubsecyyy}
! 2793: \def\numberedsubsubsecyyy #1{\numhead3{#1}} % normally numberedsubsubseczzz
! 2794: \def\numberedsubsubseczzz #1{\seccheck{subsubsection}%
! 2795: \gdef\thissection{#1}\global\advance \subsubsecno by 1 %
! 2796: \subsubsecheading {#1}
! 2797: {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
! 2798: {\chapternofonts%
! 2799: \edef\temp{{\realbackslash subsubsecentry %
! 2800: {#1}
! 2801: {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}
! 2802: {\noexpand\folio}}}%
! 2803: \escapechar=`\\%
! 2804: \write \contentsfile \temp %
! 2805: \donoderef %
! 2806: \penalty 10000 %
! 2807: }}
! 2808:
! 2809: \outer\def\appendixsubsubsec{\parsearg\appendixsubsubsecyyy}
! 2810: \def\appendixsubsubsecyyy #1{\apphead3{#1}} % normally appendixsubsubseczzz
! 2811: \def\appendixsubsubseczzz #1{\seccheck{appendixsubsubsec}%
! 2812: \gdef\thissection{#1}\global\advance \subsubsecno by 1 %
! 2813: \subsubsecheading {#1}
! 2814: {\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
! 2815: {\chapternofonts%
! 2816: \edef\temp{{\realbackslash subsubsecentry{#1}%
! 2817: {\appendixletter}
! 2818: {\the\secno}{\the\subsecno}{\the\subsubsecno}{\noexpand\folio}}}%
! 2819: \escapechar=`\\%
! 2820: \write \contentsfile \temp %
! 2821: \appendixnoderef %
! 2822: \penalty 10000 %
! 2823: }}
! 2824:
! 2825: \outer\def\unnumberedsubsubsec{\parsearg\unnumberedsubsubsecyyy}
! 2826: \def\unnumberedsubsubsecyyy #1{\unnmhead3{#1}} %normally unnumberedsubsubseczzz
! 2827: \def\unnumberedsubsubseczzz #1{\seccheck{unnumberedsubsubsec}%
! 2828: \plainsecheading {#1}\gdef\thissection{#1}%
! 2829: {\chapternofonts%
! 2830: \edef\temp{{\realbackslash unnumbsubsubsecentry{#1}{\noexpand\folio}}}%
! 2831: \escapechar=`\\%
! 2832: \write \contentsfile \temp %
! 2833: \unnumbnoderef %
! 2834: \penalty 10000 %
! 2835: }}
! 2836:
! 2837: % These are variants which are not "outer", so they can appear in @ifinfo.
! 2838: % Actually, they should now be obsolete; ordinary section commands should work.
! 2839: \def\infotop{\parsearg\unnumberedzzz}
! 2840: \def\infounnumbered{\parsearg\unnumberedzzz}
! 2841: \def\infounnumberedsec{\parsearg\unnumberedseczzz}
! 2842: \def\infounnumberedsubsec{\parsearg\unnumberedsubseczzz}
! 2843: \def\infounnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz}
! 2844:
! 2845: \def\infoappendix{\parsearg\appendixzzz}
! 2846: \def\infoappendixsec{\parsearg\appendixseczzz}
! 2847: \def\infoappendixsubsec{\parsearg\appendixsubseczzz}
! 2848: \def\infoappendixsubsubsec{\parsearg\appendixsubsubseczzz}
! 2849:
! 2850: \def\infochapter{\parsearg\chapterzzz}
! 2851: \def\infosection{\parsearg\sectionzzz}
! 2852: \def\infosubsection{\parsearg\subsectionzzz}
! 2853: \def\infosubsubsection{\parsearg\subsubsectionzzz}
! 2854:
! 2855: % These macros control what the section commands do, according
! 2856: % to what kind of chapter we are in (ordinary, appendix, or unnumbered).
! 2857: % Define them by default for a numbered chapter.
! 2858: \global\let\section = \numberedsec
! 2859: \global\let\subsection = \numberedsubsec
! 2860: \global\let\subsubsection = \numberedsubsubsec
! 2861:
! 2862: % Define @majorheading, @heading and @subheading
! 2863:
! 2864: % NOTE on use of \vbox for chapter headings, section headings, and
! 2865: % such:
! 2866: % 1) We use \vbox rather than the earlier \line to permit
! 2867: % overlong headings to fold.
! 2868: % 2) \hyphenpenalty is set to 10000 because hyphenation in a
! 2869: % heading is obnoxious; this forbids it.
! 2870: % 3) Likewise, headings look best if no \parindent is used, and
! 2871: % if justification is not attempted. Hence \raggedright.
! 2872:
! 2873:
! 2874: \def\majorheading{\parsearg\majorheadingzzz}
! 2875: \def\majorheadingzzz #1{%
! 2876: {\advance\chapheadingskip by 10pt \chapbreak }%
! 2877: {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 2878: \parindent=0pt\raggedright
! 2879: \rm #1\hfill}}\bigskip \par\penalty 200}
! 2880:
! 2881: \def\chapheading{\parsearg\chapheadingzzz}
! 2882: \def\chapheadingzzz #1{\chapbreak %
! 2883: {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 2884: \parindent=0pt\raggedright
! 2885: \rm #1\hfill}}\bigskip \par\penalty 200}
! 2886:
! 2887: \def\heading{\parsearg\secheadingi}
! 2888:
! 2889: \def\subheading{\parsearg\subsecheadingi}
! 2890:
! 2891: \def\subsubheading{\parsearg\subsubsecheadingi}
! 2892:
! 2893: % These macros generate a chapter, section, etc. heading only
! 2894: % (including whitespace, linebreaking, etc. around it),
! 2895: % given all the information in convenient, parsed form.
! 2896:
! 2897: %%% Args are the skip and penalty (usually negative)
! 2898: \def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi}
! 2899:
! 2900: \def\setchapterstyle #1 {\csname CHAPF#1\endcsname}
! 2901:
! 2902: %%% Define plain chapter starts, and page on/off switching for it
! 2903: % Parameter controlling skip before chapter headings (if needed)
! 2904:
! 2905: \newskip \chapheadingskip \chapheadingskip = 30pt plus 8pt minus 4pt
! 2906:
! 2907: \def\chapbreak{\dobreak \chapheadingskip {-4000}}
! 2908: \def\chappager{\par\vfill\supereject}
! 2909: \def\chapoddpage{\chappager \ifodd\pageno \else \hbox to 0pt{} \chappager\fi}
! 2910:
! 2911: \def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname}
! 2912:
! 2913: \def\CHAPPAGoff{
! 2914: \global\let\pchapsepmacro=\chapbreak
! 2915: \global\let\pagealignmacro=\chappager}
! 2916:
! 2917: \def\CHAPPAGon{
! 2918: \global\let\pchapsepmacro=\chappager
! 2919: \global\let\pagealignmacro=\chappager
! 2920: \global\def\HEADINGSon{\HEADINGSsingle}}
! 2921:
! 2922: \def\CHAPPAGodd{
! 2923: \global\let\pchapsepmacro=\chapoddpage
! 2924: \global\let\pagealignmacro=\chapoddpage
! 2925: \global\def\HEADINGSon{\HEADINGSdouble}}
! 2926:
! 2927: \CHAPPAGon
! 2928:
! 2929: \def\CHAPFplain{
! 2930: \global\let\chapmacro=\chfplain
! 2931: \global\let\unnumbchapmacro=\unnchfplain
! 2932: \global\let\centerchapmacro=\centerchfplain}
! 2933:
! 2934: \def\chfplain #1#2{%
! 2935: \pchapsepmacro
! 2936: {%
! 2937: \chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 2938: \parindent=0pt\raggedright
! 2939: \rm #2\enspace #1}%
! 2940: }%
! 2941: \bigskip
! 2942: \penalty5000
! 2943: }
! 2944:
! 2945: \def\unnchfplain #1{%
! 2946: \pchapsepmacro %
! 2947: {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 2948: \parindent=0pt\raggedright
! 2949: \rm #1\hfill}}\bigskip \par\penalty 10000 %
! 2950: }
! 2951:
! 2952: \def\centerchfplain #1{%
! 2953: \pchapsepmacro %
! 2954: {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 2955: \parindent=0pt
! 2956: {\rm #1}\hfill}}\bigskip \par\penalty 10000 %
! 2957: }
! 2958:
! 2959: \CHAPFplain % The default
! 2960:
! 2961: \def\unnchfopen #1{%
! 2962: \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 2963: \parindent=0pt\raggedright
! 2964: \rm #1\hfill}}\bigskip \par\penalty 10000 %
! 2965: }
! 2966:
! 2967: \def\chfopen #1#2{\chapoddpage {\chapfonts
! 2968: \vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}%
! 2969: \par\penalty 5000 %
! 2970: }
! 2971:
! 2972: \def\centerchfopen #1{%
! 2973: \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 2974: \parindent=0pt
! 2975: \hfill {\rm #1}\hfill}}\bigskip \par\penalty 10000 %
! 2976: }
! 2977:
! 2978: \def\CHAPFopen{
! 2979: \global\let\chapmacro=\chfopen
! 2980: \global\let\unnumbchapmacro=\unnchfopen
! 2981: \global\let\centerchapmacro=\centerchfopen}
! 2982:
! 2983: % Parameter controlling skip before section headings.
! 2984:
! 2985: \newskip \subsecheadingskip \subsecheadingskip = 17pt plus 8pt minus 4pt
! 2986: \def\subsecheadingbreak{\dobreak \subsecheadingskip {-500}}
! 2987:
! 2988: \newskip \secheadingskip \secheadingskip = 21pt plus 8pt minus 4pt
! 2989: \def\secheadingbreak{\dobreak \secheadingskip {-1000}}
! 2990:
! 2991: % @paragraphindent is defined for the Info formatting commands only.
! 2992: \let\paragraphindent=\comment
! 2993:
! 2994: % Section fonts are the base font at magstep2, which produces
! 2995: % a size a bit more than 14 points in the default situation.
! 2996:
! 2997: \def\secheading #1#2#3{\secheadingi {#2.#3\enspace #1}}
! 2998: \def\plainsecheading #1{\secheadingi {#1}}
! 2999: \def\secheadingi #1{{\advance \secheadingskip by \parskip %
! 3000: \secheadingbreak}%
! 3001: {\secfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 3002: \parindent=0pt\raggedright
! 3003: \rm #1\hfill}}%
! 3004: \ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000 }
! 3005:
! 3006:
! 3007: % Subsection fonts are the base font at magstep1,
! 3008: % which produces a size of 12 points.
! 3009:
! 3010: \def\subsecheading #1#2#3#4{\subsecheadingi {#2.#3.#4\enspace #1}}
! 3011: \def\subsecheadingi #1{{\advance \subsecheadingskip by \parskip %
! 3012: \subsecheadingbreak}%
! 3013: {\subsecfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 3014: \parindent=0pt\raggedright
! 3015: \rm #1\hfill}}%
! 3016: \ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000 }
! 3017:
! 3018: \def\subsubsecfonts{\subsecfonts} % Maybe this should change:
! 3019: % Perhaps make sssec fonts scaled
! 3020: % magstep half
! 3021: \def\subsubsecheading #1#2#3#4#5{\subsubsecheadingi {#2.#3.#4.#5\enspace #1}}
! 3022: \def\subsubsecheadingi #1{{\advance \subsecheadingskip by \parskip %
! 3023: \subsecheadingbreak}%
! 3024: {\subsubsecfonts \vbox{\hyphenpenalty=10000\tolerance=5000
! 3025: \parindent=0pt\raggedright
! 3026: \rm #1\hfill}}%
! 3027: \ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000}
! 3028:
! 3029:
! 3030: \message{toc printing,}
! 3031:
! 3032: % Finish up the main text and prepare to read what we've written
! 3033: % to \contentsfile.
! 3034:
! 3035: \newskip\contentsrightmargin \contentsrightmargin=1in
! 3036: \def\startcontents#1{%
! 3037: \pagealignmacro
! 3038: \immediate\closeout \contentsfile
! 3039: \ifnum \pageno>0
! 3040: \pageno = -1 % Request roman numbered pages.
! 3041: \fi
! 3042: % Don't need to put `Contents' or `Short Contents' in the headline.
! 3043: % It is abundantly clear what they are.
! 3044: \unnumbchapmacro{#1}\def\thischapter{}%
! 3045: \begingroup % Set up to handle contents files properly.
! 3046: \catcode`\\=0 \catcode`\{=1 \catcode`\}=2 \catcode`\@=11
! 3047: \catcode`\^=7 % to see ^^e4 as \"a etc. juha@piuha.ydi.vtt.fi
! 3048: \raggedbottom % Worry more about breakpoints than the bottom.
! 3049: \advance\hsize by -\contentsrightmargin % Don't use the full line length.
! 3050: }
! 3051:
! 3052:
! 3053: % Normal (long) toc.
! 3054: \outer\def\contents{%
! 3055: \startcontents{\putwordTableofContents}%
! 3056: \input \jobname.toc
! 3057: \endgroup
! 3058: \vfill \eject
! 3059: }
! 3060:
! 3061: % And just the chapters.
! 3062: \outer\def\summarycontents{%
! 3063: \startcontents{\putwordShortContents}%
! 3064: %
! 3065: \let\chapentry = \shortchapentry
! 3066: \let\unnumbchapentry = \shortunnumberedentry
! 3067: % We want a true roman here for the page numbers.
! 3068: \secfonts
! 3069: \let\rm=\shortcontrm \let\bf=\shortcontbf \let\sl=\shortcontsl
! 3070: \rm
! 3071: \advance\baselineskip by 1pt % Open it up a little.
! 3072: \def\secentry ##1##2##3##4{}
! 3073: \def\unnumbsecentry ##1##2{}
! 3074: \def\subsecentry ##1##2##3##4##5{}
! 3075: \def\unnumbsubsecentry ##1##2{}
! 3076: \def\subsubsecentry ##1##2##3##4##5##6{}
! 3077: \def\unnumbsubsubsecentry ##1##2{}
! 3078: \input \jobname.toc
! 3079: \endgroup
! 3080: \vfill \eject
! 3081: }
! 3082: \let\shortcontents = \summarycontents
! 3083:
! 3084: % These macros generate individual entries in the table of contents.
! 3085: % The first argument is the chapter or section name.
! 3086: % The last argument is the page number.
! 3087: % The arguments in between are the chapter number, section number, ...
! 3088:
! 3089: % Chapter-level things, for both the long and short contents.
! 3090: \def\chapentry#1#2#3{\dochapentry{#2\labelspace#1}{#3}}
! 3091:
! 3092: % See comments in \dochapentry re vbox and related settings
! 3093: \def\shortchapentry#1#2#3{%
! 3094: \tocentry{\shortchaplabel{#2}\labelspace #1}{\doshortpageno{#3}}%
! 3095: }
! 3096:
! 3097: % Typeset the label for a chapter or appendix for the short contents.
! 3098: % The arg is, e.g. `Appendix A' for an appendix, or `3' for a chapter.
! 3099: % We could simplify the code here by writing out an \appendixentry
! 3100: % command in the toc file for appendices, instead of using \chapentry
! 3101: % for both, but it doesn't seem worth it.
! 3102: \setbox0 = \hbox{\shortcontrm \putwordAppendix }
! 3103: \newdimen\shortappendixwidth \shortappendixwidth = \wd0
! 3104:
! 3105: \def\shortchaplabel#1{%
! 3106: % We typeset #1 in a box of constant width, regardless of the text of
! 3107: % #1, so the chapter titles will come out aligned.
! 3108: \setbox0 = \hbox{#1}%
! 3109: \dimen0 = \ifdim\wd0 > \shortappendixwidth \shortappendixwidth \else 0pt \fi
! 3110: %
! 3111: % This space should be plenty, since a single number is .5em, and the
! 3112: % widest letter (M) is 1em, at least in the Computer Modern fonts.
! 3113: % (This space doesn't include the extra space that gets added after
! 3114: % the label; that gets put in in \shortchapentry above.)
! 3115: \advance\dimen0 by 1.1em
! 3116: \hbox to \dimen0{#1\hfil}%
! 3117: }
! 3118:
! 3119: \def\unnumbchapentry#1#2{\dochapentry{#1}{#2}}
! 3120: \def\shortunnumberedentry#1#2{\tocentry{#1}{\doshortpageno{#2}}}
! 3121:
! 3122: % Sections.
! 3123: \def\secentry#1#2#3#4{\dosecentry{#2.#3\labelspace#1}{#4}}
! 3124: \def\unnumbsecentry#1#2{\dosecentry{#1}{#2}}
! 3125:
! 3126: % Subsections.
! 3127: \def\subsecentry#1#2#3#4#5{\dosubsecentry{#2.#3.#4\labelspace#1}{#5}}
! 3128: \def\unnumbsubsecentry#1#2{\dosubsecentry{#1}{#2}}
! 3129:
! 3130: % And subsubsections.
! 3131: \def\subsubsecentry#1#2#3#4#5#6{%
! 3132: \dosubsubsecentry{#2.#3.#4.#5\labelspace#1}{#6}}
! 3133: \def\unnumbsubsubsecentry#1#2{\dosubsubsecentry{#1}{#2}}
! 3134:
! 3135:
! 3136: % This parameter controls the indentation of the various levels.
! 3137: \newdimen\tocindent \tocindent = 3pc
! 3138:
! 3139: % Now for the actual typesetting. In all these, #1 is the text and #2 is the
! 3140: % page number.
! 3141: %
! 3142: % If the toc has to be broken over pages, we would want to be at chapters
! 3143: % if at all possible; hence the \penalty.
! 3144: \def\dochapentry#1#2{%
! 3145: \penalty-300 \vskip\baselineskip
! 3146: \begingroup
! 3147: \chapentryfonts
! 3148: \tocentry{#1}{\dopageno{#2}}%
! 3149: \endgroup
! 3150: \nobreak\vskip .25\baselineskip
! 3151: }
! 3152:
! 3153: \def\dosecentry#1#2{\begingroup
! 3154: \secentryfonts \leftskip=\tocindent
! 3155: \tocentry{#1}{\dopageno{#2}}%
! 3156: \endgroup}
! 3157:
! 3158: \def\dosubsecentry#1#2{\begingroup
! 3159: \subsecentryfonts \leftskip=2\tocindent
! 3160: \tocentry{#1}{\dopageno{#2}}%
! 3161: \endgroup}
! 3162:
! 3163: \def\dosubsubsecentry#1#2{\begingroup
! 3164: \subsubsecentryfonts \leftskip=3\tocindent
! 3165: \tocentry{#1}{\dopageno{#2}}%
! 3166: \endgroup}
! 3167:
! 3168: % Final typesetting of a toc entry; we use the same \entry macro as for
! 3169: % the index entries, but we want to suppress hyphenation here. (We
! 3170: % can't do that in the \entry macro, since index entries might consist
! 3171: % of hyphenated-identifiers-that-do-not-fit-on-a-line-and-nothing-else.)
! 3172: %
! 3173: % \turnoffactive is for the sake of @" used for umlauts.
! 3174: \def\tocentry#1#2{\begingroup
! 3175: \hyphenpenalty = 10000
! 3176: \entry{\turnoffactive #1}{\turnoffactive #2}%
! 3177: \endgroup}
! 3178:
! 3179: % Space between chapter (or whatever) number and the title.
! 3180: \def\labelspace{\hskip1em \relax}
! 3181:
! 3182: \def\dopageno#1{{\rm #1}}
! 3183: \def\doshortpageno#1{{\rm #1}}
! 3184:
! 3185: \def\chapentryfonts{\secfonts \rm}
! 3186: \def\secentryfonts{\textfonts}
! 3187: \let\subsecentryfonts = \textfonts
! 3188: \let\subsubsecentryfonts = \textfonts
! 3189:
! 3190:
! 3191: \message{environments,}
! 3192:
! 3193: % Since these characters are used in examples, it should be an even number of
! 3194: % \tt widths. Each \tt character is 1en, so two makes it 1em.
! 3195: % Furthermore, these definitions must come after we define our fonts.
! 3196: \newbox\dblarrowbox \newbox\longdblarrowbox
! 3197: \newbox\pushcharbox \newbox\bullbox
! 3198: \newbox\equivbox \newbox\errorbox
! 3199:
! 3200: \let\ptexequiv = \equiv
! 3201:
! 3202: %{\tentt
! 3203: %\global\setbox\dblarrowbox = \hbox to 1em{\hfil$\Rightarrow$\hfil}
! 3204: %\global\setbox\longdblarrowbox = \hbox to 1em{\hfil$\mapsto$\hfil}
! 3205: %\global\setbox\pushcharbox = \hbox to 1em{\hfil$\dashv$\hfil}
! 3206: %\global\setbox\equivbox = \hbox to 1em{\hfil$\ptexequiv$\hfil}
! 3207: % Adapted from the manmac format (p.420 of TeXbook)
! 3208: %\global\setbox\bullbox = \hbox to 1em{\kern.15em\vrule height .75ex width .85ex
! 3209: % depth .1ex\hfil}
! 3210: %}
! 3211:
! 3212: \def\point{$\star$}
! 3213:
! 3214: \def\result{\leavevmode\raise.15ex\hbox to 1em{\hfil$\Rightarrow$\hfil}}
! 3215: \def\expansion{\leavevmode\raise.1ex\hbox to 1em{\hfil$\mapsto$\hfil}}
! 3216: \def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}}
! 3217:
! 3218: \def\equiv{\leavevmode\lower.1ex\hbox to 1em{\hfil$\ptexequiv$\hfil}}
! 3219:
! 3220: % Adapted from the TeXbook's \boxit.
! 3221: {\tentt \global\dimen0 = 3em}% Width of the box.
! 3222: \dimen2 = .55pt % Thickness of rules
! 3223: % The text. (`r' is open on the right, `e' somewhat less so on the left.)
! 3224: \setbox0 = \hbox{\kern-.75pt \tensf error\kern-1.5pt}
! 3225:
! 3226: \global\setbox\errorbox=\hbox to \dimen0{\hfil
! 3227: \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right.
! 3228: \advance\hsize by -2\dimen2 % Rules.
! 3229: \vbox{
! 3230: \hrule height\dimen2
! 3231: \hbox{\vrule width\dimen2 \kern3pt % Space to left of text.
! 3232: \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below.
! 3233: \kern3pt\vrule width\dimen2}% Space to right.
! 3234: \hrule height\dimen2}
! 3235: \hfil}
! 3236:
! 3237: % The @error{} command.
! 3238: \def\error{\leavevmode\lower.7ex\copy\errorbox}
! 3239:
! 3240: % @tex ... @end tex escapes into raw Tex temporarily.
! 3241: % One exception: @ is still an escape character, so that @end tex works.
! 3242: % But \@ or @@ will get a plain tex @ character.
! 3243:
! 3244: \def\tex{\begingroup
! 3245: \catcode `\\=0 \catcode `\{=1 \catcode `\}=2
! 3246: \catcode `\$=3 \catcode `\&=4 \catcode `\#=6
! 3247: \catcode `\^=7 \catcode `\_=8 \catcode `\~=13 \let~=\tie
! 3248: \catcode `\%=14
! 3249: \catcode 43=12
! 3250: \catcode`\"=12
! 3251: \catcode`\==12
! 3252: \catcode`\|=12
! 3253: \catcode`\<=12
! 3254: \catcode`\>=12
! 3255: \escapechar=`\\
! 3256: %
! 3257: \let\~=\ptextilde
! 3258: \let\{=\ptexlbrace
! 3259: \let\}=\ptexrbrace
! 3260: \let\.=\ptexdot
! 3261: \let\*=\ptexstar
! 3262: \let\dots=\ptexdots
! 3263: \def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}
! 3264: \def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}
! 3265: \def\@{@}%
! 3266: \let\bullet=\ptexbullet
! 3267: \let\b=\ptexb \let\c=\ptexc \let\i=\ptexi \let\t=\ptext \let\l=\ptexl
! 3268: \let\L=\ptexL
! 3269: %
! 3270: \let\Etex=\endgroup}
! 3271:
! 3272: % Define @lisp ... @endlisp.
! 3273: % @lisp does a \begingroup so it can rebind things,
! 3274: % including the definition of @endlisp (which normally is erroneous).
! 3275:
! 3276: % Amount to narrow the margins by for @lisp.
! 3277: \newskip\lispnarrowing \lispnarrowing=0.4in
! 3278:
! 3279: % This is the definition that ^^M gets inside @lisp, @example, and other
! 3280: % such environments. \null is better than a space, since it doesn't
! 3281: % have any width.
! 3282: \def\lisppar{\null\endgraf}
! 3283:
! 3284: % Make each space character in the input produce a normal interword
! 3285: % space in the output. Don't allow a line break at this space, as this
! 3286: % is used only in environments like @example, where each line of input
! 3287: % should produce a line of output anyway.
! 3288: %
! 3289: {\obeyspaces %
! 3290: \gdef\sepspaces{\obeyspaces\let =\tie}}
! 3291:
! 3292: % Define \obeyedspace to be our active space, whatever it is. This is
! 3293: % for use in \parsearg.
! 3294: {\sepspaces%
! 3295: \global\let\obeyedspace= }
! 3296:
! 3297: % This space is always present above and below environments.
! 3298: \newskip\envskipamount \envskipamount = 0pt
! 3299:
! 3300: % Make spacing and below environment symmetrical. We use \parskip here
! 3301: % to help in doing that, since in @example-like environments \parskip
! 3302: % is reset to zero; thus the \afterenvbreak inserts no space -- but the
! 3303: % start of the next paragraph will insert \parskip
! 3304: %
! 3305: \def\aboveenvbreak{{\advance\envskipamount by \parskip
! 3306: \endgraf \ifdim\lastskip<\envskipamount
! 3307: \removelastskip \penalty-50 \vskip\envskipamount \fi}}
! 3308:
! 3309: \let\afterenvbreak = \aboveenvbreak
! 3310:
! 3311: % \nonarrowing is a flag. If "set", @lisp etc don't narrow margins.
! 3312: \let\nonarrowing=\relax
! 3313:
! 3314: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
! 3315: % \cartouche: draw rectangle w/rounded corners around argument
! 3316: \font\circle=lcircle10
! 3317: \newdimen\circthick
! 3318: \newdimen\cartouter\newdimen\cartinner
! 3319: \newskip\normbskip\newskip\normpskip\newskip\normlskip
! 3320: \circthick=\fontdimen8\circle
! 3321: %
! 3322: \def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth
! 3323: \def\ctr{{\hskip 6pt\circle\char'010}}
! 3324: \def\cbl{{\circle\char'012\hskip -6pt}}
! 3325: \def\cbr{{\hskip 6pt\circle\char'011}}
! 3326: \def\carttop{\hbox to \cartouter{\hskip\lskip
! 3327: \ctl\leaders\hrule height\circthick\hfil\ctr
! 3328: \hskip\rskip}}
! 3329: \def\cartbot{\hbox to \cartouter{\hskip\lskip
! 3330: \cbl\leaders\hrule height\circthick\hfil\cbr
! 3331: \hskip\rskip}}
! 3332: %
! 3333: \newskip\lskip\newskip\rskip
! 3334:
! 3335: \long\def\cartouche{%
! 3336: \begingroup
! 3337: \lskip=\leftskip \rskip=\rightskip
! 3338: \leftskip=0pt\rightskip=0pt %we want these *outside*.
! 3339: \cartinner=\hsize \advance\cartinner by-\lskip
! 3340: \advance\cartinner by-\rskip
! 3341: \cartouter=\hsize
! 3342: \advance\cartouter by 18pt % allow for 3pt kerns on either
! 3343: % side, and for 6pt waste from
! 3344: % each corner char
! 3345: \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip
! 3346: % Flag to tell @lisp, etc., not to narrow margin.
! 3347: \let\nonarrowing=\comment
! 3348: \vbox\bgroup
! 3349: \baselineskip=0pt\parskip=0pt\lineskip=0pt
! 3350: \carttop
! 3351: \hbox\bgroup
! 3352: \hskip\lskip
! 3353: \vrule\kern3pt
! 3354: \vbox\bgroup
! 3355: \hsize=\cartinner
! 3356: \kern3pt
! 3357: \begingroup
! 3358: \baselineskip=\normbskip
! 3359: \lineskip=\normlskip
! 3360: \parskip=\normpskip
! 3361: \vskip -\parskip
! 3362: \def\Ecartouche{%
! 3363: \endgroup
! 3364: \kern3pt
! 3365: \egroup
! 3366: \kern3pt\vrule
! 3367: \hskip\rskip
! 3368: \egroup
! 3369: \cartbot
! 3370: \egroup
! 3371: \endgroup
! 3372: }}
! 3373:
! 3374:
! 3375: % This macro is called at the beginning of all the @example variants,
! 3376: % inside a group.
! 3377: \def\nonfillstart{%
! 3378: \aboveenvbreak
! 3379: \inENV % This group ends at the end of the body
! 3380: \hfuzz = 12pt % Don't be fussy
! 3381: \sepspaces % Make spaces be word-separators rather than space tokens.
! 3382: \singlespace
! 3383: \let\par = \lisppar % don't ignore blank lines
! 3384: \obeylines % each line of input is a line of output
! 3385: \parskip = 0pt
! 3386: \parindent = 0pt
! 3387: \emergencystretch = 0pt % don't try to avoid overfull boxes
! 3388: % @cartouche defines \nonarrowing to inhibit narrowing
! 3389: % at next level down.
! 3390: \ifx\nonarrowing\relax
! 3391: \advance \leftskip by \lispnarrowing
! 3392: \exdentamount=\lispnarrowing
! 3393: \let\exdent=\nofillexdent
! 3394: \let\nonarrowing=\relax
! 3395: \fi
! 3396: }
! 3397:
! 3398: % To ending an @example-like environment, we first end the paragraph
! 3399: % (via \afterenvbreak's vertical glue), and then the group. That way we
! 3400: % keep the zero \parskip that the environments set -- \parskip glue
! 3401: % will be inserted at the beginning of the next paragraph in the
! 3402: % document, after the environment.
! 3403: %
! 3404: \def\nonfillfinish{\afterenvbreak\endgroup}%
! 3405:
! 3406: % This macro is
! 3407: \def\lisp{\begingroup
! 3408: \nonfillstart
! 3409: \let\Elisp = \nonfillfinish
! 3410: \tt
! 3411: \rawbackslash % have \ input char produce \ char from current font
! 3412: \gobble
! 3413: }
! 3414:
! 3415: % Define the \E... control sequence only if we are inside the
! 3416: % environment, so the error checking in \end will work.
! 3417: %
! 3418: % We must call \lisp last in the definition, since it reads the
! 3419: % return following the @example (or whatever) command.
! 3420: %
! 3421: \def\example{\begingroup \def\Eexample{\nonfillfinish\endgroup}\lisp}
! 3422: \def\smallexample{\begingroup \def\Esmallexample{\nonfillfinish\endgroup}\lisp}
! 3423: \def\smalllisp{\begingroup \def\Esmalllisp{\nonfillfinish\endgroup}\lisp}
! 3424:
! 3425: % @smallexample and @smalllisp. This is not used unless the @smallbook
! 3426: % command is given. Originally contributed by Pavel@xerox.
! 3427: %
! 3428: \def\smalllispx{\begingroup
! 3429: \nonfillstart
! 3430: \let\Esmalllisp = \nonfillfinish
! 3431: \let\Esmallexample = \nonfillfinish
! 3432: %
! 3433: % Smaller interline space and fonts for small examples.
! 3434: \setleading{10pt}%
! 3435: \indexfonts \tt
! 3436: \rawbackslash % make \ output the \ character from the current font (tt)
! 3437: \gobble
! 3438: }
! 3439:
! 3440: % This is @display; same as @lisp except use roman font.
! 3441: %
! 3442: \def\display{\begingroup
! 3443: \nonfillstart
! 3444: \let\Edisplay = \nonfillfinish
! 3445: \gobble
! 3446: }
! 3447:
! 3448: % This is @format; same as @display except don't narrow margins.
! 3449: %
! 3450: \def\format{\begingroup
! 3451: \let\nonarrowing = t
! 3452: \nonfillstart
! 3453: \let\Eformat = \nonfillfinish
! 3454: \gobble
! 3455: }
! 3456:
! 3457: % @flushleft (same as @format) and @flushright.
! 3458: %
! 3459: \def\flushleft{\begingroup
! 3460: \let\nonarrowing = t
! 3461: \nonfillstart
! 3462: \let\Eflushleft = \nonfillfinish
! 3463: \gobble
! 3464: }
! 3465: \def\flushright{\begingroup
! 3466: \let\nonarrowing = t
! 3467: \nonfillstart
! 3468: \let\Eflushright = \nonfillfinish
! 3469: \advance\leftskip by 0pt plus 1fill
! 3470: \gobble}
! 3471:
! 3472: % @quotation does normal linebreaking (hence we can't use \nonfillstart)
! 3473: % and narrows the margins.
! 3474: %
! 3475: \def\quotation{%
! 3476: \begingroup\inENV %This group ends at the end of the @quotation body
! 3477: {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip
! 3478: \singlespace
! 3479: \parindent=0pt
! 3480: % We have retained a nonzero parskip for the environment, since we're
! 3481: % doing normal filling. So to avoid extra space below the environment...
! 3482: \def\Equotation{\parskip = 0pt \nonfillfinish}%
! 3483: %
! 3484: % @cartouche defines \nonarrowing to inhibit narrowing at next level down.
! 3485: \ifx\nonarrowing\relax
! 3486: \advance\leftskip by \lispnarrowing
! 3487: \advance\rightskip by \lispnarrowing
! 3488: \exdentamount = \lispnarrowing
! 3489: \let\nonarrowing = \relax
! 3490: \fi
! 3491: }
! 3492:
! 3493: \message{defuns,}
! 3494: % Define formatter for defuns
! 3495: % First, allow user to change definition object font (\df) internally
! 3496: \def\setdeffont #1 {\csname DEF#1\endcsname}
! 3497:
! 3498: \newskip\defbodyindent \defbodyindent=.4in
! 3499: \newskip\defargsindent \defargsindent=50pt
! 3500: \newskip\deftypemargin \deftypemargin=12pt
! 3501: \newskip\deflastargmargin \deflastargmargin=18pt
! 3502:
! 3503: \newcount\parencount
! 3504: % define \functionparens, which makes ( and ) and & do special things.
! 3505: % \functionparens affects the group it is contained in.
! 3506: \def\activeparens{%
! 3507: \catcode`\(=\active \catcode`\)=\active \catcode`\&=\active
! 3508: \catcode`\[=\active \catcode`\]=\active}
! 3509:
! 3510: % Make control sequences which act like normal parenthesis chars.
! 3511: \let\lparen = ( \let\rparen = )
! 3512:
! 3513: {\activeparens % Now, smart parens don't turn on until &foo (see \amprm)
! 3514:
! 3515: % Be sure that we always have a definition for `(', etc. For example,
! 3516: % if the fn name has parens in it, \boldbrax will not be in effect yet,
! 3517: % so TeX would otherwise complain about undefined control sequence.
! 3518: \global\let(=\lparen \global\let)=\rparen
! 3519: \global\let[=\lbrack \global\let]=\rbrack
! 3520:
! 3521: \gdef\functionparens{\boldbrax\let&=\amprm\parencount=0 }
! 3522: \gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb}
! 3523: % This is used to turn on special parens
! 3524: % but make & act ordinary (given that it's active).
! 3525: \gdef\boldbraxnoamp{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb\let&=\ampnr}
! 3526:
! 3527: % Definitions of (, ) and & used in args for functions.
! 3528: % This is the definition of ( outside of all parentheses.
! 3529: \gdef\oprm#1 {{\rm\char`\(}#1 \bf \let(=\opnested %
! 3530: \global\advance\parencount by 1 }
! 3531: %
! 3532: % This is the definition of ( when already inside a level of parens.
! 3533: \gdef\opnested{\char`\(\global\advance\parencount by 1 }
! 3534: %
! 3535: \gdef\clrm{% Print a paren in roman if it is taking us back to depth of 0.
! 3536: % also in that case restore the outer-level definition of (.
! 3537: \ifnum \parencount=1 {\rm \char `\)}\sl \let(=\oprm \else \char `\) \fi
! 3538: \global\advance \parencount by -1 }
! 3539: % If we encounter &foo, then turn on ()-hacking afterwards
! 3540: \gdef\amprm#1 {{\rm\}\let(=\oprm \let)=\clrm\ }
! 3541: %
! 3542: \gdef\normalparens{\boldbrax\let&=\ampnr}
! 3543: } % End of definition inside \activeparens
! 3544: %% These parens (in \boldbrax) actually are a little bolder than the
! 3545: %% contained text. This is especially needed for [ and ]
! 3546: \def\opnr{{\sf\char`\(}} \def\clnr{{\sf\char`\)}} \def\ampnr{\&}
! 3547: \def\lbrb{{\bf\char`\[}} \def\rbrb{{\bf\char`\]}}
! 3548:
! 3549: % First, defname, which formats the header line itself.
! 3550: % #1 should be the function name.
! 3551: % #2 should be the type of definition, such as "Function".
! 3552:
! 3553: \def\defname #1#2{%
! 3554: % Get the values of \leftskip and \rightskip as they were
! 3555: % outside the @def...
! 3556: \dimen2=\leftskip
! 3557: \advance\dimen2 by -\defbodyindent
! 3558: \dimen3=\rightskip
! 3559: \advance\dimen3 by -\defbodyindent
! 3560: \noindent %
! 3561: \setbox0=\hbox{\hskip \deflastargmargin{\rm #2}\hskip \deftypemargin}%
! 3562: \dimen0=\hsize \advance \dimen0 by -\wd0 % compute size for first line
! 3563: \dimen1=\hsize \advance \dimen1 by -\defargsindent %size for continuations
! 3564: \parshape 2 0in \dimen0 \defargsindent \dimen1 %
! 3565: % Now output arg 2 ("Function" or some such)
! 3566: % ending at \deftypemargin from the right margin,
! 3567: % but stuck inside a box of width 0 so it does not interfere with linebreaking
! 3568: {% Adjust \hsize to exclude the ambient margins,
! 3569: % so that \rightline will obey them.
! 3570: \advance \hsize by -\dimen2 \advance \hsize by -\dimen3
! 3571: \rlap{\rightline{{\rm #2}\hskip \deftypemargin}}}%
! 3572: % Make all lines underfull and no complaints:
! 3573: \tolerance=10000 \hbadness=10000
! 3574: \advance\leftskip by -\defbodyindent
! 3575: \exdentamount=\defbodyindent
! 3576: {\df #1}\enskip % Generate function name
! 3577: }
! 3578:
! 3579: % Actually process the body of a definition
! 3580: % #1 should be the terminating control sequence, such as \Edefun.
! 3581: % #2 should be the "another name" control sequence, such as \defunx.
! 3582: % #3 should be the control sequence that actually processes the header,
! 3583: % such as \defunheader.
! 3584:
! 3585: \def\defparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
! 3586: \medbreak %
! 3587: % Define the end token that this defining construct specifies
! 3588: % so that it will exit this group.
! 3589: \def#1{\endgraf\endgroup\medbreak}%
! 3590: \def#2{\begingroup\obeylines\activeparens\spacesplit#3}%
! 3591: \parindent=0in
! 3592: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 3593: \exdentamount=\defbodyindent
! 3594: \begingroup %
! 3595: \catcode 61=\active % 61 is `='
! 3596: \obeylines\activeparens\spacesplit#3}
! 3597:
! 3598: \def\defmethparsebody #1#2#3#4 {\begingroup\inENV %
! 3599: \medbreak %
! 3600: % Define the end token that this defining construct specifies
! 3601: % so that it will exit this group.
! 3602: \def#1{\endgraf\endgroup\medbreak}%
! 3603: \def#2##1 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}}}%
! 3604: \parindent=0in
! 3605: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 3606: \exdentamount=\defbodyindent
! 3607: \begingroup\obeylines\activeparens\spacesplit{#3{#4}}}
! 3608:
! 3609: \def\defopparsebody #1#2#3#4#5 {\begingroup\inENV %
! 3610: \medbreak %
! 3611: % Define the end token that this defining construct specifies
! 3612: % so that it will exit this group.
! 3613: \def#1{\endgraf\endgroup\medbreak}%
! 3614: \def#2##1 ##2 {\def#4{##1}%
! 3615: \begingroup\obeylines\activeparens\spacesplit{#3{##2}}}%
! 3616: \parindent=0in
! 3617: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 3618: \exdentamount=\defbodyindent
! 3619: \begingroup\obeylines\activeparens\spacesplit{#3{#5}}}
! 3620:
! 3621: % These parsing functions are similar to the preceding ones
! 3622: % except that they do not make parens into active characters.
! 3623: % These are used for "variables" since they have no arguments.
! 3624:
! 3625: \def\defvarparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
! 3626: \medbreak %
! 3627: % Define the end token that this defining construct specifies
! 3628: % so that it will exit this group.
! 3629: \def#1{\endgraf\endgroup\medbreak}%
! 3630: \def#2{\begingroup\obeylines\spacesplit#3}%
! 3631: \parindent=0in
! 3632: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 3633: \exdentamount=\defbodyindent
! 3634: \begingroup %
! 3635: \catcode 61=\active %
! 3636: \obeylines\spacesplit#3}
! 3637:
! 3638: % This is used for \def{tp,vr}parsebody. It could probably be used for
! 3639: % some of the others, too, with some judicious conditionals.
! 3640: %
! 3641: \def\parsebodycommon#1#2#3{%
! 3642: \begingroup\inENV %
! 3643: \medbreak %
! 3644: % Define the end token that this defining construct specifies
! 3645: % so that it will exit this group.
! 3646: \def#1{\endgraf\endgroup\medbreak}%
! 3647: \def#2##1 {\begingroup\obeylines\spacesplit{#3{##1}}}%
! 3648: \parindent=0in
! 3649: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 3650: \exdentamount=\defbodyindent
! 3651: \begingroup\obeylines
! 3652: }
! 3653:
! 3654: \def\defvrparsebody#1#2#3#4 {%
! 3655: \parsebodycommon{#1}{#2}{#3}%
! 3656: \spacesplit{#3{#4}}%
! 3657: }
! 3658:
! 3659: % This loses on `@deftp {Data Type} {struct termios}' -- it thinks the
! 3660: % type is just `struct', because we lose the braces in `{struct
! 3661: % termios}' when \spacesplit reads its undelimited argument. Sigh.
! 3662: % \let\deftpparsebody=\defvrparsebody
! 3663: %
! 3664: % So, to get around this, we put \empty in with the type name. That
! 3665: % way, TeX won't find exactly `{...}' as an undelimited argument, and
! 3666: % won't strip off the braces.
! 3667: %
! 3668: \def\deftpparsebody #1#2#3#4 {%
! 3669: \parsebodycommon{#1}{#2}{#3}%
! 3670: \spacesplit{\parsetpheaderline{#3{#4}}}\empty
! 3671: }
! 3672:
! 3673: % Fine, but then we have to eventually remove the \empty *and* the
! 3674: % braces (if any). That's what this does, putting the result in \tptemp.
! 3675: %
! 3676: \def\removeemptybraces\empty#1\relax{\def\tptemp{#1}}%
! 3677:
! 3678: % After \spacesplit has done its work, this is called -- #1 is the final
! 3679: % thing to call, #2 the type name (which starts with \empty), and #3
! 3680: % (which might be empty) the arguments.
! 3681: %
! 3682: \def\parsetpheaderline#1#2#3{%
! 3683: \removeemptybraces#2\relax
! 3684: #1{\tptemp}{#3}%
! 3685: }%
! 3686:
! 3687: \def\defopvarparsebody #1#2#3#4#5 {\begingroup\inENV %
! 3688: \medbreak %
! 3689: % Define the end token that this defining construct specifies
! 3690: % so that it will exit this group.
! 3691: \def#1{\endgraf\endgroup\medbreak}%
! 3692: \def#2##1 ##2 {\def#4{##1}%
! 3693: \begingroup\obeylines\spacesplit{#3{##2}}}%
! 3694: \parindent=0in
! 3695: \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
! 3696: \exdentamount=\defbodyindent
! 3697: \begingroup\obeylines\spacesplit{#3{#5}}}
! 3698:
! 3699: % Split up #2 at the first space token.
! 3700: % call #1 with two arguments:
! 3701: % the first is all of #2 before the space token,
! 3702: % the second is all of #2 after that space token.
! 3703: % If #2 contains no space token, all of it is passed as the first arg
! 3704: % and the second is passed as empty.
! 3705:
! 3706: {\obeylines
! 3707: \gdef\spacesplit#1#2^^M{\endgroup\spacesplitfoo{#1}#2 \relax\spacesplitfoo}%
! 3708: \long\gdef\spacesplitfoo#1#2 #3#4\spacesplitfoo{%
! 3709: \ifx\relax #3%
! 3710: #1{#2}{}\else #1{#2}{#3#4}\fi}}
! 3711:
! 3712: % So much for the things common to all kinds of definitions.
! 3713:
! 3714: % Define @defun.
! 3715:
! 3716: % First, define the processing that is wanted for arguments of \defun
! 3717: % Use this to expand the args and terminate the paragraph they make up
! 3718:
! 3719: \def\defunargs #1{\functionparens \sl
! 3720: % Expand, preventing hyphenation at `-' chars.
! 3721: % Note that groups don't affect changes in \hyphenchar.
! 3722: \hyphenchar\tensl=0
! 3723: #1%
! 3724: \hyphenchar\tensl=45
! 3725: \ifnum\parencount=0 \else \errmessage{unbalanced parens in @def arguments}\fi%
! 3726: \interlinepenalty=10000
! 3727: \advance\rightskip by 0pt plus 1fil
! 3728: \endgraf\penalty 10000\vskip -\parskip\penalty 10000%
! 3729: }
! 3730:
! 3731: \def\deftypefunargs #1{%
! 3732: % Expand, preventing hyphenation at `-' chars.
! 3733: % Note that groups don't affect changes in \hyphenchar.
! 3734: % Use \boldbraxnoamp, not \functionparens, so that & is not special.
! 3735: \boldbraxnoamp
! 3736: \tclose{#1}% avoid \code because of side effects on active chars
! 3737: \interlinepenalty=10000
! 3738: \advance\rightskip by 0pt plus 1fil
! 3739: \endgraf\penalty 10000\vskip -\parskip\penalty 10000%
! 3740: }
! 3741:
! 3742: % Do complete processing of one @defun or @defunx line already parsed.
! 3743:
! 3744: % @deffn Command forward-char nchars
! 3745:
! 3746: \def\deffn{\defmethparsebody\Edeffn\deffnx\deffnheader}
! 3747:
! 3748: \def\deffnheader #1#2#3{\doind {fn}{\code{#2}}%
! 3749: \begingroup\defname {#2}{#1}\defunargs{#3}\endgroup %
! 3750: \catcode 61=\other % Turn off change made in \defparsebody
! 3751: }
! 3752:
! 3753: % @defun == @deffn Function
! 3754:
! 3755: \def\defun{\defparsebody\Edefun\defunx\defunheader}
! 3756:
! 3757: \def\defunheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
! 3758: \begingroup\defname {#1}{Function}%
! 3759: \defunargs {#2}\endgroup %
! 3760: \catcode 61=\other % Turn off change made in \defparsebody
! 3761: }
! 3762:
! 3763: % @deftypefun int foobar (int @var{foo}, float @var{bar})
! 3764:
! 3765: \def\deftypefun{\defparsebody\Edeftypefun\deftypefunx\deftypefunheader}
! 3766:
! 3767: % #1 is the data type. #2 is the name and args.
! 3768: \def\deftypefunheader #1#2{\deftypefunheaderx{#1}#2 \relax}
! 3769: % #1 is the data type, #2 the name, #3 the args.
! 3770: \def\deftypefunheaderx #1#2 #3\relax{%
! 3771: \doind {fn}{\code{#2}}% Make entry in function index
! 3772: \begingroup\defname {\defheaderxcond#1\relax$$$#2}{Function}%
! 3773: \deftypefunargs {#3}\endgroup %
! 3774: \catcode 61=\other % Turn off change made in \defparsebody
! 3775: }
! 3776:
! 3777: % @deftypefn {Library Function} int foobar (int @var{foo}, float @var{bar})
! 3778:
! 3779: \def\deftypefn{\defmethparsebody\Edeftypefn\deftypefnx\deftypefnheader}
! 3780:
! 3781: % \defheaderxcond#1\relax$$$
! 3782: % puts #1 in @code, followed by a space, but does nothing if #1 is null.
! 3783: \def\defheaderxcond#1#2$$${\ifx#1\relax\else\code{#1#2} \fi}
! 3784:
! 3785: % #1 is the classification. #2 is the data type. #3 is the name and args.
! 3786: \def\deftypefnheader #1#2#3{\deftypefnheaderx{#1}{#2}#3 \relax}
! 3787: % #1 is the classification, #2 the data type, #3 the name, #4 the args.
! 3788: \def\deftypefnheaderx #1#2#3 #4\relax{%
! 3789: \doind {fn}{\code{#3}}% Make entry in function index
! 3790: \begingroup
! 3791: \normalparens % notably, turn off `&' magic, which prevents
! 3792: % at least some C++ text from working
! 3793: \defname {\defheaderxcond#2\relax$$$#3}{#1}%
! 3794: \deftypefunargs {#4}\endgroup %
! 3795: \catcode 61=\other % Turn off change made in \defparsebody
! 3796: }
! 3797:
! 3798: % @defmac == @deffn Macro
! 3799:
! 3800: \def\defmac{\defparsebody\Edefmac\defmacx\defmacheader}
! 3801:
! 3802: \def\defmacheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
! 3803: \begingroup\defname {#1}{Macro}%
! 3804: \defunargs {#2}\endgroup %
! 3805: \catcode 61=\other % Turn off change made in \defparsebody
! 3806: }
! 3807:
! 3808: % @defspec == @deffn Special Form
! 3809:
! 3810: \def\defspec{\defparsebody\Edefspec\defspecx\defspecheader}
! 3811:
! 3812: \def\defspecheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
! 3813: \begingroup\defname {#1}{Special Form}%
! 3814: \defunargs {#2}\endgroup %
! 3815: \catcode 61=\other % Turn off change made in \defparsebody
! 3816: }
! 3817:
! 3818: % This definition is run if you use @defunx
! 3819: % anywhere other than immediately after a @defun or @defunx.
! 3820:
! 3821: \def\deffnx #1 {\errmessage{@deffnx in invalid context}}
! 3822: \def\defunx #1 {\errmessage{@defunx in invalid context}}
! 3823: \def\defmacx #1 {\errmessage{@defmacx in invalid context}}
! 3824: \def\defspecx #1 {\errmessage{@defspecx in invalid context}}
! 3825: \def\deftypefnx #1 {\errmessage{@deftypefnx in invalid context}}
! 3826: \def\deftypeunx #1 {\errmessage{@deftypeunx in invalid context}}
! 3827:
! 3828: % @defmethod, and so on
! 3829:
! 3830: % @defop {Funny Method} foo-class frobnicate argument
! 3831:
! 3832: \def\defop #1 {\def\defoptype{#1}%
! 3833: \defopparsebody\Edefop\defopx\defopheader\defoptype}
! 3834:
! 3835: \def\defopheader #1#2#3{%
! 3836: \dosubind {fn}{\code{#2}}{on #1}% Make entry in function index
! 3837: \begingroup\defname {#2}{\defoptype{} on #1}%
! 3838: \defunargs {#3}\endgroup %
! 3839: }
! 3840:
! 3841: % @defmethod == @defop Method
! 3842:
! 3843: \def\defmethod{\defmethparsebody\Edefmethod\defmethodx\defmethodheader}
! 3844:
! 3845: \def\defmethodheader #1#2#3{%
! 3846: \dosubind {fn}{\code{#2}}{on #1}% entry in function index
! 3847: \begingroup\defname {#2}{Method on #1}%
! 3848: \defunargs {#3}\endgroup %
! 3849: }
! 3850:
! 3851: % @defcv {Class Option} foo-class foo-flag
! 3852:
! 3853: \def\defcv #1 {\def\defcvtype{#1}%
! 3854: \defopvarparsebody\Edefcv\defcvx\defcvarheader\defcvtype}
! 3855:
! 3856: \def\defcvarheader #1#2#3{%
! 3857: \dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
! 3858: \begingroup\defname {#2}{\defcvtype{} of #1}%
! 3859: \defvarargs {#3}\endgroup %
! 3860: }
! 3861:
! 3862: % @defivar == @defcv {Instance Variable}
! 3863:
! 3864: \def\defivar{\defvrparsebody\Edefivar\defivarx\defivarheader}
! 3865:
! 3866: \def\defivarheader #1#2#3{%
! 3867: \dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
! 3868: \begingroup\defname {#2}{Instance Variable of #1}%
! 3869: \defvarargs {#3}\endgroup %
! 3870: }
! 3871:
! 3872: % These definitions are run if you use @defmethodx, etc.,
! 3873: % anywhere other than immediately after a @defmethod, etc.
! 3874:
! 3875: \def\defopx #1 {\errmessage{@defopx in invalid context}}
! 3876: \def\defmethodx #1 {\errmessage{@defmethodx in invalid context}}
! 3877: \def\defcvx #1 {\errmessage{@defcvx in invalid context}}
! 3878: \def\defivarx #1 {\errmessage{@defivarx in invalid context}}
! 3879:
! 3880: % Now @defvar
! 3881:
! 3882: % First, define the processing that is wanted for arguments of @defvar.
! 3883: % This is actually simple: just print them in roman.
! 3884: % This must expand the args and terminate the paragraph they make up
! 3885: \def\defvarargs #1{\normalparens #1%
! 3886: \interlinepenalty=10000
! 3887: \endgraf\penalty 10000\vskip -\parskip\penalty 10000}
! 3888:
! 3889: % @defvr Counter foo-count
! 3890:
! 3891: \def\defvr{\defvrparsebody\Edefvr\defvrx\defvrheader}
! 3892:
! 3893: \def\defvrheader #1#2#3{\doind {vr}{\code{#2}}%
! 3894: \begingroup\defname {#2}{#1}\defvarargs{#3}\endgroup}
! 3895:
! 3896: % @defvar == @defvr Variable
! 3897:
! 3898: \def\defvar{\defvarparsebody\Edefvar\defvarx\defvarheader}
! 3899:
! 3900: \def\defvarheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
! 3901: \begingroup\defname {#1}{Variable}%
! 3902: \defvarargs {#2}\endgroup %
! 3903: }
! 3904:
! 3905: % @defopt == @defvr {User Option}
! 3906:
! 3907: \def\defopt{\defvarparsebody\Edefopt\defoptx\defoptheader}
! 3908:
! 3909: \def\defoptheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
! 3910: \begingroup\defname {#1}{User Option}%
! 3911: \defvarargs {#2}\endgroup %
! 3912: }
! 3913:
! 3914: % @deftypevar int foobar
! 3915:
! 3916: \def\deftypevar{\defvarparsebody\Edeftypevar\deftypevarx\deftypevarheader}
! 3917:
! 3918: % #1 is the data type. #2 is the name.
! 3919: \def\deftypevarheader #1#2{%
! 3920: \doind {vr}{\code{#2}}% Make entry in variables index
! 3921: \begingroup\defname {\defheaderxcond#1\relax$$$#2}{Variable}%
! 3922: \interlinepenalty=10000
! 3923: \endgraf\penalty 10000\vskip -\parskip\penalty 10000
! 3924: \endgroup}
! 3925:
! 3926: % @deftypevr {Global Flag} int enable
! 3927:
! 3928: \def\deftypevr{\defvrparsebody\Edeftypevr\deftypevrx\deftypevrheader}
! 3929:
! 3930: \def\deftypevrheader #1#2#3{\doind {vr}{\code{#3}}%
! 3931: \begingroup\defname {\defheaderxcond#2\relax$$$#3}{#1}
! 3932: \interlinepenalty=10000
! 3933: \endgraf\penalty 10000\vskip -\parskip\penalty 10000
! 3934: \endgroup}
! 3935:
! 3936: % This definition is run if you use @defvarx
! 3937: % anywhere other than immediately after a @defvar or @defvarx.
! 3938:
! 3939: \def\defvrx #1 {\errmessage{@defvrx in invalid context}}
! 3940: \def\defvarx #1 {\errmessage{@defvarx in invalid context}}
! 3941: \def\defoptx #1 {\errmessage{@defoptx in invalid context}}
! 3942: \def\deftypevarx #1 {\errmessage{@deftypevarx in invalid context}}
! 3943: \def\deftypevrx #1 {\errmessage{@deftypevrx in invalid context}}
! 3944:
! 3945: % Now define @deftp
! 3946: % Args are printed in bold, a slight difference from @defvar.
! 3947:
! 3948: \def\deftpargs #1{\bf \defvarargs{#1}}
! 3949:
! 3950: % @deftp Class window height width ...
! 3951:
! 3952: \def\deftp{\deftpparsebody\Edeftp\deftpx\deftpheader}
! 3953:
! 3954: \def\deftpheader #1#2#3{\doind {tp}{\code{#2}}%
! 3955: \begingroup\defname {#2}{#1}\deftpargs{#3}\endgroup}
! 3956:
! 3957: % This definition is run if you use @deftpx, etc
! 3958: % anywhere other than immediately after a @deftp, etc.
! 3959:
! 3960: \def\deftpx #1 {\errmessage{@deftpx in invalid context}}
! 3961:
! 3962: \message{cross reference,}
! 3963: % Define cross-reference macros
! 3964: \newwrite \auxfile
! 3965:
! 3966: \newif\ifhavexrefs % True if xref values are known.
! 3967: \newif\ifwarnedxrefs % True if we warned once that they aren't known.
! 3968:
! 3969: % \setref{foo} defines a cross-reference point named foo.
! 3970:
! 3971: \def\setref#1{%
! 3972: \dosetq{#1-title}{Ytitle}%
! 3973: \dosetq{#1-pg}{Ypagenumber}%
! 3974: \dosetq{#1-snt}{Ysectionnumberandtype}}
! 3975:
! 3976: \def\unnumbsetref#1{%
! 3977: \dosetq{#1-title}{Ytitle}%
! 3978: \dosetq{#1-pg}{Ypagenumber}%
! 3979: \dosetq{#1-snt}{Ynothing}}
! 3980:
! 3981: \def\appendixsetref#1{%
! 3982: \dosetq{#1-title}{Ytitle}%
! 3983: \dosetq{#1-pg}{Ypagenumber}%
! 3984: \dosetq{#1-snt}{Yappendixletterandtype}}
! 3985:
! 3986: % \xref, \pxref, and \ref generate cross-references to specified points.
! 3987: % For \xrefX, #1 is the node name, #2 the name of the Info
! 3988: % cross-reference, #3 the printed node name, #4 the name of the Info
! 3989: % file, #5 the name of the printed manual. All but the node name can be
! 3990: % omitted.
! 3991: %
! 3992: \def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]}
! 3993: \def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]}
! 3994: \def\ref#1{\xrefX[#1,,,,,,,]}
! 3995: \def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup
! 3996: \def\printedmanual{\ignorespaces #5}%
! 3997: \def\printednodename{\ignorespaces #3}%
! 3998: \setbox1=\hbox{\printedmanual}%
! 3999: \setbox0=\hbox{\printednodename}%
! 4000: \ifdim \wd0 = 0pt
! 4001: % No printed node name was explicitly given.
! 4002: \expandafter\ifx\csname SETxref-automatic-section-title\endcsname\relax
! 4003: % Use the node name inside the square brackets.
! 4004: \def\printednodename{\ignorespaces #1}%
! 4005: \else
! 4006: % Use the actual chapter/section title appear inside
! 4007: % the square brackets. Use the real section title if we have it.
! 4008: \ifdim \wd1>0pt%
! 4009: % It is in another manual, so we don't have it.
! 4010: \def\printednodename{\ignorespaces #1}%
! 4011: \else
! 4012: \ifhavexrefs
! 4013: % We know the real title if we have the xref values.
! 4014: \def\printednodename{\refx{#1-title}{}}%
! 4015: \else
! 4016: % Otherwise just copy the Info node name.
! 4017: \def\printednodename{\ignorespaces #1}%
! 4018: \fi%
! 4019: \fi
! 4020: \fi
! 4021: \fi
! 4022: %
! 4023: % If we use \unhbox0 and \unhbox1 to print the node names, TeX does not
! 4024: % insert empty discretionaries after hyphens, which means that it will
! 4025: % not find a line break at a hyphen in a node names. Since some manuals
! 4026: % are best written with fairly long node names, containing hyphens, this
! 4027: % is a loss. Therefore, we give the text of the node name again, so it
! 4028: % is as if TeX is seeing it for the first time.
! 4029: \ifdim \wd1 > 0pt
! 4030: \putwordsection{} ``\printednodename'' in \cite{\printedmanual}%
! 4031: \else
! 4032: % _ (for example) has to be the character _ for the purposes of the
! 4033: % control sequence corresponding to the node, but it has to expand
! 4034: % into the usual \leavevmode...\vrule stuff for purposes of
! 4035: % printing. So we \turnoffactive for the \refx-snt, back on for the
! 4036: % printing, back off for the \refx-pg.
! 4037: {\turnoffactive \refx{#1-snt}{}}%
! 4038: \space [\printednodename],\space
! 4039: \turnoffactive \putwordpage\tie\refx{#1-pg}{}%
! 4040: \fi
! 4041: \endgroup}
! 4042:
! 4043: % \dosetq is the interface for calls from other macros
! 4044:
! 4045: % Use \turnoffactive so that punctuation chars such as underscore
! 4046: % work in node names.
! 4047: \def\dosetq #1#2{{\let\folio=0 \turnoffactive \auxhat%
! 4048: \edef\next{\write\auxfile{\internalsetq {#1}{#2}}}%
! 4049: \next}}
! 4050:
! 4051: % \internalsetq {foo}{page} expands into
! 4052: % CHARACTERS 'xrdef {foo}{...expansion of \Ypage...}
! 4053: % When the aux file is read, ' is the escape character
! 4054:
! 4055: \def\internalsetq #1#2{'xrdef {#1}{\csname #2\endcsname}}
! 4056:
! 4057: % Things to be expanded by \internalsetq
! 4058:
! 4059: \def\Ypagenumber{\folio}
! 4060:
! 4061: \def\Ytitle{\thissection}
! 4062:
! 4063: \def\Ynothing{}
! 4064:
! 4065: \def\Ysectionnumberandtype{%
! 4066: \ifnum\secno=0 \putwordChapter\xreftie\the\chapno %
! 4067: \else \ifnum \subsecno=0 \putwordSection\xreftie\the\chapno.\the\secno %
! 4068: \else \ifnum \subsubsecno=0 %
! 4069: \putwordSection\xreftie\the\chapno.\the\secno.\the\subsecno %
! 4070: \else %
! 4071: \putwordSection\xreftie\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno %
! 4072: \fi \fi \fi }
! 4073:
! 4074: \def\Yappendixletterandtype{%
! 4075: \ifnum\secno=0 \putwordAppendix\xreftie'char\the\appendixno{}%
! 4076: \else \ifnum \subsecno=0 \putwordSection\xreftie'char\the\appendixno.\the\secno %
! 4077: \else \ifnum \subsubsecno=0 %
! 4078: \putwordSection\xreftie'char\the\appendixno.\the\secno.\the\subsecno %
! 4079: \else %
! 4080: \putwordSection\xreftie'char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno %
! 4081: \fi \fi \fi }
! 4082:
! 4083: \gdef\xreftie{'tie}
! 4084:
! 4085: % Use TeX 3.0's \inputlineno to get the line number, for better error
! 4086: % messages, but if we're using an old version of TeX, don't do anything.
! 4087: %
! 4088: \ifx\inputlineno\thisisundefined
! 4089: \let\linenumber = \empty % Non-3.0.
! 4090: \else
! 4091: \def\linenumber{\the\inputlineno:\space}
! 4092: \fi
! 4093:
! 4094: % Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME.
! 4095: % If its value is nonempty, SUFFIX is output afterward.
! 4096:
! 4097: \def\refx#1#2{%
! 4098: \expandafter\ifx\csname X#1\endcsname\relax
! 4099: % If not defined, say something at least.
! 4100: $\langle$un\-de\-fined$\rangle$%
! 4101: \ifhavexrefs
! 4102: \message{\linenumber Undefined cross reference `#1'.}%
! 4103: \else
! 4104: \ifwarnedxrefs\else
! 4105: \global\warnedxrefstrue
! 4106: \message{Cross reference values unknown; you must run TeX again.}%
! 4107: \fi
! 4108: \fi
! 4109: \else
! 4110: % It's defined, so just use it.
! 4111: \csname X#1\endcsname
! 4112: \fi
! 4113: #2% Output the suffix in any case.
! 4114: }
! 4115:
! 4116: % Read the last existing aux file, if any. No error if none exists.
! 4117:
! 4118: % This is the macro invoked by entries in the aux file.
! 4119: \def\xrdef #1#2{
! 4120: {\catcode`\'=\other\expandafter \gdef \csname X#1\endcsname {#2}}}
! 4121:
! 4122: \def\readauxfile{%
! 4123: \begingroup
! 4124: \catcode `\^^@=\other
! 4125: \catcode `\&=\other
! 4126: \catcode `\=\other
! 4127: \catcode `\^^C=\other
! 4128: \catcode `\^^D=\other
! 4129: \catcode `\^^E=\other
! 4130: \catcode `\^^F=\other
! 4131: \catcode `\^^G=\other
! 4132: \catcode `\^^H=\other
! 4133: \catcode `\ =\other
! 4134: \catcode `\^^L=\other
! 4135: \catcode `\=\other
! 4136: \catcode `\=\other
! 4137: \catcode `\=\other
! 4138: \catcode `\=\other
! 4139: \catcode `\=\other
! 4140: \catcode `\=\other
! 4141: \catcode `\=\other
! 4142: \catcode `\=\other
! 4143: \catcode `\=\other
! 4144: \catcode `\=\other
! 4145: \catcode `\=\other
! 4146: \catcode `\=\other
! 4147: \catcode 26=\other
! 4148: \catcode `\^^[=\other
! 4149: \catcode `\^^\=\other
! 4150: \catcode `\^^]=\other
! 4151: \catcode `\^^^=\other
! 4152: \catcode `\^^_=\other
! 4153: \catcode `\@=\other
! 4154: \catcode `\^=\other
! 4155: \catcode `\~=\other
! 4156: \catcode `\[=\other
! 4157: \catcode `\]=\other
! 4158: \catcode`\"=\other
! 4159: \catcode`\_=\other
! 4160: \catcode`\|=\other
! 4161: \catcode`\<=\other
! 4162: \catcode`\>=\other
! 4163: \catcode `\$=\other
! 4164: \catcode `\#=\other
! 4165: \catcode `\&=\other
! 4166: % `\+ does not work, so use 43.
! 4167: \catcode 43=\other
! 4168: % Make the characters 128-255 be printing characters
! 4169: {%
! 4170: \count 1=128
! 4171: \def\loop{%
! 4172: \catcode\count 1=\other
! 4173: \advance\count 1 by 1
! 4174: \ifnum \count 1<256 \loop \fi
! 4175: }%
! 4176: }%
! 4177: % the aux file uses ' as the escape.
! 4178: % Turn off \ as an escape so we do not lose on
! 4179: % entries which were dumped with control sequences in their names.
! 4180: % For example, 'xrdef {$\leq $-fun}{page ...} made by @defun ^^
! 4181: % Reference to such entries still does not work the way one would wish,
! 4182: % but at least they do not bomb out when the aux file is read in.
! 4183: \catcode `\{=1 \catcode `\}=2
! 4184: \catcode `\%=\other
! 4185: \catcode `\'=0
! 4186: \catcode`\^=7 % to make ^^e4 etc usable in xref tags
! 4187: \catcode `\\=\other
! 4188: \openin 1 \jobname.aux
! 4189: \ifeof 1 \else \closein 1 \input \jobname.aux \global\havexrefstrue
! 4190: \global\warnedobstrue
! 4191: \fi
! 4192: % Open the new aux file. Tex will close it automatically at exit.
! 4193: \openout \auxfile=\jobname.aux
! 4194: \endgroup}
! 4195:
! 4196:
! 4197: % Footnotes.
! 4198:
! 4199: \newcount \footnoteno
! 4200:
! 4201: % The trailing space in the following definition for supereject is
! 4202: % vital for proper filling; pages come out unaligned when you do a
! 4203: % pagealignmacro call if that space before the closing brace is
! 4204: % removed.
! 4205: \def\supereject{\par\penalty -20000\footnoteno =0 }
! 4206:
! 4207: % @footnotestyle is meaningful for info output only..
! 4208: \let\footnotestyle=\comment
! 4209:
! 4210: \let\ptexfootnote=\footnote
! 4211:
! 4212: {\catcode `\@=11
! 4213: %
! 4214: % Auto-number footnotes. Otherwise like plain.
! 4215: \gdef\footnote{%
! 4216: \global\advance\footnoteno by \@ne
! 4217: \edef\thisfootno{$^{\the\footnoteno}$}%
! 4218: %
! 4219: % In case the footnote comes at the end of a sentence, preserve the
! 4220: % extra spacing after we do the footnote number.
! 4221: \let\@sf\empty
! 4222: \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\/\fi
! 4223: %
! 4224: % Remove inadvertent blank space before typesetting the footnote number.
! 4225: \unskip
! 4226: \thisfootno\@sf
! 4227: \footnotezzz
! 4228: }%
! 4229:
! 4230: % Don't bother with the trickery in plain.tex to not require the
! 4231: % footnote text as a parameter. Our footnotes don't need to be so general.
! 4232: %
! 4233: \long\gdef\footnotezzz#1{\insert\footins{%
! 4234: % We want to typeset this text as a normal paragraph, even if the
! 4235: % footnote reference occurs in (for example) a display environment.
! 4236: % So reset some parameters.
! 4237: \interlinepenalty\interfootnotelinepenalty
! 4238: \splittopskip\ht\strutbox % top baseline for broken footnotes
! 4239: \splitmaxdepth\dp\strutbox
! 4240: \floatingpenalty\@MM
! 4241: \leftskip\z@skip
! 4242: \rightskip\z@skip
! 4243: \spaceskip\z@skip
! 4244: \xspaceskip\z@skip
! 4245: \parindent\defaultparindent
! 4246: %
! 4247: % Hang the footnote text off the number.
! 4248: \hang
! 4249: \textindent{\thisfootno}%
! 4250: %
! 4251: % Don't crash into the line above the footnote text. Since this
! 4252: % expands into a box, it must come within the paragraph, lest it
! 4253: % provide a place where TeX can split the footnote.
! 4254: \footstrut
! 4255: #1\strut}%
! 4256: }
! 4257:
! 4258: }%end \catcode `\@=11
! 4259:
! 4260: % Set the baselineskip to #1, and the lineskip and strut size
! 4261: % correspondingly. There is no deep meaning behind these magic numbers
! 4262: % used as factors; they just match (closely enough) what Knuth defined.
! 4263: %
! 4264: \def\lineskipfactor{.08333}
! 4265: \def\strutheightpercent{.70833}
! 4266: \def\strutdepthpercent {.29167}
! 4267: %
! 4268: \def\setleading#1{%
! 4269: \normalbaselineskip = #1\relax
! 4270: \normallineskip = \lineskipfactor\normalbaselineskip
! 4271: \normalbaselines
! 4272: \setbox\strutbox =\hbox{%
! 4273: \vrule width0pt height\strutheightpercent\baselineskip
! 4274: depth \strutdepthpercent \baselineskip
! 4275: }%
! 4276: }
! 4277:
! 4278: % @| inserts a changebar to the left of the current line. It should
! 4279: % surround any changed text. This approach does *not* work if the
! 4280: % change spans more than two lines of output. To handle that, we would
! 4281: % have adopt a much more difficult approach (putting marks into the main
! 4282: % vertical list for the beginning and end of each change).
! 4283: %
! 4284: \def\|{%
! 4285: % \vadjust can only be used in horizontal mode.
! 4286: \leavevmode
! 4287: %
! 4288: % Append this vertical mode material after the current line in the output.
! 4289: \vadjust{%
! 4290: % We want to insert a rule with the height and depth of the current
! 4291: % leading; that is exactly what \strutbox is supposed to record.
! 4292: \vskip-\baselineskip
! 4293: %
! 4294: % \vadjust-items are inserted at the left edge of the type. So
! 4295: % the \llap here moves out into the left-hand margin.
! 4296: \llap{%
! 4297: %
! 4298: % For a thicker or thinner bar, change the `1pt'.
! 4299: \vrule height\baselineskip width1pt
! 4300: %
! 4301: % This is the space between the bar and the text.
! 4302: \hskip 12pt
! 4303: }%
! 4304: }%
! 4305: }
! 4306:
! 4307: % For a final copy, take out the rectangles
! 4308: % that mark overfull boxes (in case you have decided
! 4309: % that the text looks ok even though it passes the margin).
! 4310: %
! 4311: \def\finalout{\overfullrule=0pt}
! 4312:
! 4313:
! 4314: % End of control word definitions.
! 4315:
! 4316: \message{and turning on texinfo input format.}
! 4317:
! 4318: \def\openindices{%
! 4319: \newindex{cp}%
! 4320: \newcodeindex{fn}%
! 4321: \newcodeindex{vr}%
! 4322: \newcodeindex{tp}%
! 4323: \newcodeindex{ky}%
! 4324: \newcodeindex{pg}%
! 4325: }
! 4326:
! 4327: % Set some numeric style parameters, for 8.5 x 11 format.
! 4328:
! 4329: %\hsize = 6.5in
! 4330: \newdimen\defaultparindent \defaultparindent = 15pt
! 4331: \parindent = \defaultparindent
! 4332: \parskip 18pt plus 1pt
! 4333: \setleading{15pt}
! 4334: \advance\topskip by 1.2cm
! 4335:
! 4336: % Prevent underfull vbox error messages.
! 4337: \vbadness=10000
! 4338:
! 4339: % Following George Bush, just get rid of widows and orphans.
! 4340: \widowpenalty=10000
! 4341: \clubpenalty=10000
! 4342:
! 4343: % Use TeX 3.0's \emergencystretch to help line breaking, but if we're
! 4344: % using an old version of TeX, don't do anything. We want the amount of
! 4345: % stretch added to depend on the line length, hence the dependence on
! 4346: % \hsize. This makes it come to about 9pt for the 8.5x11 format.
! 4347: %
! 4348: \ifx\emergencystretch\thisisundefined
! 4349: % Allow us to assign to \emergencystretch anyway.
! 4350: \def\emergencystretch{\dimen0}%
! 4351: \else
! 4352: \emergencystretch = \hsize
! 4353: \divide\emergencystretch by 45
! 4354: \fi
! 4355:
! 4356: % Use @smallbook to reset parameters for 7x9.5 format (or else 7x9.25)
! 4357: \def\smallbook{
! 4358:
! 4359: % These values for secheadingskip and subsecheadingskip are
! 4360: % experiments. RJC 7 Aug 1992
! 4361: \global\secheadingskip = 17pt plus 6pt minus 3pt
! 4362: \global\subsecheadingskip = 14pt plus 6pt minus 3pt
! 4363:
! 4364: \global\lispnarrowing = 0.3in
! 4365: \setleading{12pt}
! 4366: \advance\topskip by -1cm
! 4367: \global\parskip 3pt plus 1pt
! 4368: \global\hsize = 5in
! 4369: \global\vsize=7.5in
! 4370: \global\tolerance=700
! 4371: \global\hfuzz=1pt
! 4372: \global\contentsrightmargin=0pt
! 4373: \global\deftypemargin=0pt
! 4374: \global\defbodyindent=.5cm
! 4375:
! 4376: \global\pagewidth=\hsize
! 4377: \global\pageheight=\vsize
! 4378:
! 4379: \global\let\smalllisp=\smalllispx
! 4380: \global\let\smallexample=\smalllispx
! 4381: \global\def\Esmallexample{\Esmalllisp}
! 4382: }
! 4383:
! 4384: % Use @afourpaper to print on European A4 paper.
! 4385: \def\afourpaper{
! 4386: \global\tolerance=700
! 4387: \global\hfuzz=1pt
! 4388: \setleading{12pt}
! 4389: \global\parskip 15pt plus 1pt
! 4390:
! 4391: \global\vsize= 53\baselineskip
! 4392: \advance\vsize by \topskip
! 4393: %\global\hsize= 5.85in % A4 wide 10pt
! 4394: \global\hsize= 6.5in
! 4395: \global\outerhsize=\hsize
! 4396: \global\advance\outerhsize by 0.5in
! 4397: \global\outervsize=\vsize
! 4398: \global\advance\outervsize by 0.6in
! 4399:
! 4400: \global\pagewidth=\hsize
! 4401: \global\pageheight=\vsize
! 4402: }
! 4403:
! 4404: % Allow control of the text dimensions. Parameters in order: textheight;
! 4405: % textwidth; voffset; hoffset; binding offset; topskip.
! 4406: % All require a dimension;
! 4407: % header is additional; added length extends the bottom of the page.
! 4408:
! 4409: \def\changepagesizes#1#2#3#4#5#6{
! 4410: \global\vsize= #1
! 4411: \global\topskip= #6
! 4412: \advance\vsize by \topskip
! 4413: \global\voffset= #3
! 4414: \global\hsize= #2
! 4415: \global\outerhsize=\hsize
! 4416: \global\advance\outerhsize by 0.5in
! 4417: \global\outervsize=\vsize
! 4418: \global\advance\outervsize by 0.6in
! 4419: \global\pagewidth=\hsize
! 4420: \global\pageheight=\vsize
! 4421: \global\normaloffset= #4
! 4422: \global\bindingoffset= #5}
! 4423:
! 4424: % A specific text layout, 24x15cm overall, intended for A4 paper. Top margin
! 4425: % 29mm, hence bottom margin 28mm, nominal side margin 3cm.
! 4426: \def\afourlatex
! 4427: {\global\tolerance=700
! 4428: \global\hfuzz=1pt
! 4429: \setleading{12pt}
! 4430: \global\parskip 15pt plus 1pt
! 4431: \advance\baselineskip by 1.6pt
! 4432: \changepagesizes{237mm}{150mm}{3.6mm}{3.6mm}{3mm}{7mm}
! 4433: }
! 4434:
! 4435: % Use @afourwide to print on European A4 paper in wide format.
! 4436: \def\afourwide{\afourpaper
! 4437: \changepagesizes{9.5in}{6.5in}{\hoffset}{\normaloffset}{\bindingoffset}{7mm}}
! 4438:
! 4439: % Define macros to output various characters with catcode for normal text.
! 4440: \catcode`\"=\other
! 4441: \catcode`\~=\other
! 4442: \catcode`\^=\other
! 4443: \catcode`\_=\other
! 4444: \catcode`\|=\other
! 4445: \catcode`\<=\other
! 4446: \catcode`\>=\other
! 4447: \catcode`\+=\other
! 4448: \def\normaldoublequote{"}
! 4449: \def\normaltilde{~}
! 4450: \def\normalcaret{^}
! 4451: \def\normalunderscore{_}
! 4452: \def\normalverticalbar{|}
! 4453: \def\normalless{<}
! 4454: \def\normalgreater{>}
! 4455: \def\normalplus{+}
! 4456:
! 4457: % This macro is used to make a character print one way in ttfont
! 4458: % where it can probably just be output, and another way in other fonts,
! 4459: % where something hairier probably needs to be done.
! 4460: %
! 4461: % #1 is what to print if we are indeed using \tt; #2 is what to print
! 4462: % otherwise. Since all the Computer Modern typewriter fonts have zero
! 4463: % interword stretch (and shrink), and it is reasonable to expect all
! 4464: % typewriter fonts to have this, we can check that font parameter.
! 4465: %
! 4466: \def\ifusingtt#1#2{\ifdim \fontdimen3\the\font=0pt #1\else #2\fi}
! 4467:
! 4468: % Turn off all special characters except @
! 4469: % (and those which the user can use as if they were ordinary).
! 4470: % Most of these we simply print from the \tt font, but for some, we can
! 4471: % use math or other variants that look better in normal text.
! 4472:
! 4473: \catcode`\"=\active
! 4474: \def\activedoublequote{{\tt \char '042}}
! 4475: \let"=\activedoublequote
! 4476: \catcode`\~=\active
! 4477: \def~{{\tt \char '176}}
! 4478: \chardef\hat=`\^
! 4479: \catcode`\^=\active
! 4480: \def\auxhat{\def^{'hat}}
! 4481: \def^{{\tt \hat}}
! 4482:
! 4483: \catcode`\_=\active
! 4484: \def_{\ifusingtt\normalunderscore\_}
! 4485: % Subroutine for the previous macro.
! 4486: \def\_{\leavevmode \kern.06em \vbox{\hrule width.3em height.1ex}}
! 4487:
! 4488: \catcode`\|=\active
! 4489: \def|{{\tt \char '174}}
! 4490: \chardef \less=`\<
! 4491: \catcode`\<=\active
! 4492: \def<{{\tt \less}}
! 4493: \chardef \gtr=`\>
! 4494: \catcode`\>=\active
! 4495: \def>{{\tt \gtr}}
! 4496: \catcode`\+=\active
! 4497: \def+{{\tt \char 43}}
! 4498: %\catcode 27=\active
! 4499: %\def^^[{$\diamondsuit$}
! 4500:
! 4501: % Set up an active definition for =, but don't enable it most of the time.
! 4502: {\catcode`\==\active
! 4503: \global\def={{\tt \char 61}}}
! 4504:
! 4505: \catcode`+=\active
! 4506: \catcode`\_=\active
! 4507:
! 4508: % If a .fmt file is being used, characters that might appear in a file
! 4509: % name cannot be active until we have parsed the command line.
! 4510: % So turn them off again, and have \everyjob (or @setfilename) turn them on.
! 4511: % \otherifyactive is called near the end of this file.
! 4512: \def\otherifyactive{\catcode`+=\other \catcode`\_=\other}
! 4513:
! 4514: \catcode`\@=0
! 4515:
! 4516: % \rawbackslashxx output one backslash character in current font
! 4517: \global\chardef\rawbackslashxx=`\\
! 4518: %{\catcode`\\=\other
! 4519: %@gdef@rawbackslashxx{\}}
! 4520:
! 4521: % \rawbackslash redefines \ as input to do \rawbackslashxx.
! 4522: {\catcode`\\=\active
! 4523: @gdef@rawbackslash{@let\=@rawbackslashxx }}
! 4524:
! 4525: % \normalbackslash outputs one backslash in fixed width font.
! 4526: \def\normalbackslash{{\tt\rawbackslashxx}}
! 4527:
! 4528: % Say @foo, not \foo, in error messages.
! 4529: \escapechar=`\@
! 4530:
! 4531: % \catcode 17=0 % Define control-q
! 4532: \catcode`\\=\active
! 4533:
! 4534: % Used sometimes to turn off (effectively) the active characters
! 4535: % even after parsing them.
! 4536: @def@turnoffactive{@let"=@normaldoublequote
! 4537: @let\=@realbackslash
! 4538: @let~=@normaltilde
! 4539: @let^=@normalcaret
! 4540: @let_=@normalunderscore
! 4541: @let|=@normalverticalbar
! 4542: @let<=@normalless
! 4543: @let>=@normalgreater
! 4544: @let+=@normalplus}
! 4545:
! 4546: @def@normalturnoffactive{@let"=@normaldoublequote
! 4547: @let\=@normalbackslash
! 4548: @let~=@normaltilde
! 4549: @let^=@normalcaret
! 4550: @let_=@normalunderscore
! 4551: @let|=@normalverticalbar
! 4552: @let<=@normalless
! 4553: @let>=@normalgreater
! 4554: @let+=@normalplus}
! 4555:
! 4556: % Make _ and + \other characters, temporarily.
! 4557: % This is canceled by @fixbackslash.
! 4558: @otherifyactive
! 4559:
! 4560: % If a .fmt file is being used, we don't want the `\input texinfo' to show up.
! 4561: % That is what \eatinput is for; after that, the `\' should revert to printing
! 4562: % a backslash.
! 4563: %
! 4564: @gdef@eatinput input texinfo{@fixbackslash}
! 4565: @global@let\ = @eatinput
! 4566:
! 4567: % On the other hand, perhaps the file did not have a `\input texinfo'. Then
! 4568: % the first `\{ in the file would cause an error. This macro tries to fix
! 4569: % that, assuming it is called before the first `\' could plausibly occur.
! 4570: % Also back turn on active characters that might appear in the input
! 4571: % file name, in case not using a pre-dumped format.
! 4572: %
! 4573: @gdef@fixbackslash{@ifx\@eatinput @let\ = @normalbackslash @fi
! 4574: @catcode`+=@active @catcode`@_=@active}
! 4575:
! 4576: %% These look ok in all fonts, so just make them not special. The @rm below
! 4577: %% makes sure that the current font starts out as the newly loaded cmr10
! 4578: @catcode`@$=@other @catcode`@%=@other @catcode`@&=@other @catcode`@#=@other
! 4579:
! 4580: @textfonts
! 4581: @rm
! 4582:
! 4583: @c Local variables:
! 4584: @c page-delimiter: "^\\\\message"
! 4585: @c End:
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