\begin{theindex} 
 \makeatletter\scan@allowedfalse
{\bfseries\hfil Symbols\hfil}\nopagebreak

  \item \verb*+\@auxout+\pfill 272
  \item \texttt  {@cb@trace}\pfill \main{6}
  \item \verb*+\@cb@tracefalse+\pfill 79
  \item \verb*+\@cb@tracetrue+\pfill 78
  \item \verb*+\@cclv+\pfill 280, 283, 294, 303, 304
  \item \verb*+\@currbox+\pfill 401, 402
  \item \verb*+\@empty+\pfill 356
  \item \verb*+\@footnotetext+\pfill \main{405}
  \item \verb*+\@gobble+\pfill 279, 290
  \item \verb*+\@ifnextchar+\pfill 182, 185, 189
  \item \verb*+\@makecol+\pfill \main{277}
  \item \verb*+\@mpfootnotetext+\pfill \main{415}
  \item \verb*+\@ne+\pfill 231, 242, 285, 296
  \item \verb*+\@outputbox+\pfill 291
  \item \verb*+\@preamblecmds+\pfill 109
  \item \verb*+\@spaces+\pfill 90
  \item \verb*+\@temp+\pfill 351, 352
  \item \verb*+\@vtryfc+\pfill \main{277}

  \indexspace
{\bfseries\hfil A\hfil}\nopagebreak

  \item \verb*+\advance+\pfill 24, 26--31, 33--37, 54--59, 67--74, 217, 
		231, 242--244, 285, 296, 306
  \item \verb*+\AtBeginDocument+\pfill \main{366}
  \item \verb*+\AtEndDocument+\pfill \main{371}

  \indexspace
{\bfseries\hfil B\hfil}\nopagebreak

  \item \verb*+\begingroup+\pfill 268
  \item \verb*+\bgroup+\pfill 96, 402
  \item \verb*+\boxmaxdepth+\pfill 284, 295, 305

  \indexspace
{\bfseries\hfil C\hfil}\nopagebreak

  \item \verb*+\catcode+\pfill 39
  \item \verb*+\cb@advancePoint+\pfill 215, \main{216}
  \item \verb*+\cb@barpoint+\pfill 273, \main{365}, 376, 392
  \item \verb*+\cb@beginstack+\pfill 309, 313, \main{344}
  \item \verb*+\cb@botleft+\pfill \main{7}, 243, 246, 249, 254
  \item \verb*+\cb@botright+\pfill \main{7}, 244, 247, 250, 252, 256
  \item \verb*+\cb@buildstack+\pfill 286, 297, \main{321}
  \item \verb*+\cb@carcdr+\pfill 359, \main{361}
  \item \verb*+\cb@checkHistory+\pfill 376, \main{377}, 391, 392
  \item \verb*+\cb@connect+\pfill \main{122}, 254, 256
  \item \verb*+\cb@curbarwd+\pfill \main{11}, 206, 254, 256, 270, 362, 
		364, 399, 402, 412, 422
  \item \verb*+\cb@currentstack+\pfill 207, 222, 317, \main{346}, 395, 
		398, 407, 411, 417, 421
  \item \verb*+\cb@defpoint+\pfill \main{122}, 233, 234, 236, 237, 
		246, 247, 249, 250
  \item \verb*+\cb@delete+\pfill 185, 186, \main{187}, 194
  \item \verb*+\cb@driver@setup+\pfill 40--47, 102--106, 123
  \item \verb*+\cb@end+\pfill 184, 187, 191, 195, \main{221}, 402, 413, 
		423
  \item \verb*+\cb@endfloat+\pfill 393, 404
  \item \verb*+\cb@endstack+\pfill 300, \main{321}, 332, 334, 
		\main{344}
  \item \verb*+\cb@error+\pfill 382, 385, \main{387}
  \item \verb*+\cb@even@left+\pfill \main{17}, 23, 31--34, 53, 57--59, 
		61, 76, 233, 246
  \item \verb*+\cb@even@right+\pfill \main{17}, 32, 35--37, 61, 66, 
		71--74, 76, 234, 247
  \item \verb*+\cb@footnote+\pfill 405, 409, 413
  \item \verb*+\cb@historystack+\pfill 308, 325, 329, \main{340}, 348, 
		352, 373, 378
  \item \verb*+\cb@initstack+\pfill 322, \main{339}, 340, 344--346, 373
  \item \verb*+\cb@leftbar+\pfill 253, 258, 261, 263
  \item \verb*+\cb@makecol+\pfill 277, 287
  \item \verb*+\cb@maxpoint+\pfill \main{1}, 131, 218
  \item \verb*+\cb@minpoint+\pfill \main{3}, 6, 131, 219
  \item \verb*+\cb@mpfootnote+\pfill 415, 419, 423
  \item \verb*+\cb@nextpoint+\pfill \main{5}, 205, 217--219
  \item \verb*+\cb@nil+\pfill \main{4}, 223, 301, 314, 326, 357, 396, 
		408, 418
  \item \verb*+\cb@odd@left+\pfill \main{17}, 22--25, 29, 30, 52--56, 
		60, 75, 236, 249
  \item \verb*+\cb@odd@right+\pfill \main{17}, 25--28, 60, 65--70, 75, 
		237, 250
  \item \verb*+\cb@page+\pfill \main{12}, 328, 357, 362, 364, 380
  \item \verb*+\cb@pagecount+\pfill \main{12}, 116, 121, 232, 245, 261, 
		263, 273, 285, 296, 306, 328
  \item \verb*+\cb@pop+\pfill 222, 300, 313, 325, 334, \main{347}, 378, 
		395, 407, 417
  \item \verb*+\cb@positions+\pfill \main{17}, 51, 64, 368
  \item \verb*+\cb@processActive+\pfill 286, 297, \main{299}
  \item \verb*+\cb@push+\pfill 207, 308, 309, 317, 329, 332, \main{363}, 
		398, 411, 421
  \item \verb*+\cb@pushNextActive+\pfill 323, \main{324}
  \item \verb*+\cb@read+\pfill \main{340}, 349, 351, 370, 374, 375
  \item \verb*+\cb@removedim+\pfill \main{39}, 135, 142, 151, 159
  \item \verb*+\cb@resetpoints+\pfill \main{122}, 281, 292
  \item \verb*+\cb@rightbar+\pfill 255, 258, 261, 263
  \item \verb*+\cb@setBeginPoints+\pfill 209, 213, \main{230}, 316
  \item \verb*+\cb@setEndPoints+\pfill 227, \main{241}, 307
  \item \verb*+\cb@setup@specials+\pfill \main{112}, 367
  \item \verb*+\cb@start+\pfill 182, 183, 187, 189, 190, 193, 
		\main{204}, 402, 413, 423
  \item \verb*+\cb@startSpanBars+\pfill 282, 293, \main{312}
  \item \verb*+\cb@temp+\pfill 272, 274, 412, 413, 422, 423
  \item \verb*+\cb@topleft+\pfill \main{7}, 205, 223, 231, 233, 236, 
		239, 242--244, 254, 301, 314, 326, 331, 357, 362, 364, 
		379, 396, 408, 418
  \item \verb*+\cb@topright+\pfill \main{7}, 231, 234, 237, 242, 256
  \item \verb*+\cb@trace+\pfill \main{87}, 113, 118
  \item \verb*+\cb@trace@connect+\pfill \main{117}, 129, 146, 165, 173, 
		178
  \item \verb*+\cb@trace@defpoint+\pfill \main{112}, 126, 138, 155, 170, 
		177
  \item \verb*+\cb@vtryfc+\pfill 288, 298
  \item \verb*+\cb@write+\pfill \main{340}, 365, 369
  \item \verb*+\cb@writeAux+\pfill 239, 252, \main{266}, 279, 290
  \item \verb*+\cbdelete+\pfill \usage{3}, \main{185}
  \item \verb*+\cbend+\pfill \usage{3}, \main{184}
  \item \verb*+\cbstart+\pfill \usage{3}, \main{182}
  \item \verb*+\changebar+\pfill \main{188}
  \item {\ttfamily changebar} (environment)\pfill \usage{3}
  \item \texttt  {changebargrey}\pfill \usage{3}, \main{13}
  \item \verb*+\changebarsep+\pfill \usage{3}, 27, 29, 33, 36, 55, 58, 
		69, 73, \main{200}
  \item \verb*+\changebarwidth+\pfill \usage{3}, 28, 30, 34, 37, 56, 59, 
		70, 74, 183, 190, \main{196}
  \item \verb*+\chardef+\pfill 40--47, 102--106
  \item \verb*+\clearpage+\pfill 372
  \item \verb*+\closein+\pfill 374
  \item \verb*+\closeout+\pfill 369
  \item \verb*+\CurrentOption+\pfill 81

  \indexspace
{\bfseries\hfil D\hfil}\nopagebreak

  \item \verb*+\DeclareOption+\pfill 40--50, 63, 78--80
  \item \verb*+\def+\pfill 2--4, 21, 51, 64, 95, 96, 98--101, 108, 112, 
		117, 122, 124, 127, 130, 133, 139, 149, 156, 168, 171, 
		177, 178, 187, 193, 194, 204, 216, 221, 230, 241, 266, 
		278, 289, 299, 312, 321, 324, 339, 347, 361, 363, 365, 
		377, 387, 394, 406, 416
  \item \verb*+\deletebarwidth+\pfill \usage{3}, 186, \main{198}
  \item \verb*+\do+\pfill 108, 109
  \item \verb*+\driver+\pfill \main{94}
  \item \verb*+\DVIPS+\pfill 100, 105
  \item \verb*+\DVItoPS+\pfill 99, 104

  \indexspace
{\bfseries\hfil E\hfil}\nopagebreak

  \item \verb*+\edef+\pfill 96, 253, 255, 269, 270, 272, 412, 422
  \item \verb*+\egroup+\pfill 107, 400
  \item \verb*+\else+\pfill 175, 210, 226, 235, 248, 258, 261--263, 302, 
		315, 327, 330, 333, 350, 358, 381, 384, 397, 410, 420
  \item \verb*+\emTeX+\pfill 101, 106
  \item \verb*+\end@float+\pfill \main{393}
  \item \verb*+\endchangebar+\pfill \main{188}
  \item \verb*+\endgroup+\pfill 275
  \item \verb*+\endlinechar+\pfill 351
  \item environments:\efill 
 \subitem {\ttfamily changebar}\pfill \usage{3}
  \item \verb*+\evensidemargin+\pfill 31, 57, 71
  \item \verb*+\ExecuteOptions+\pfill 85
  \item \verb*+\expandafter+\pfill 97, 135, 142, 151, 159, 310, 318, 
		336, 359

  \indexspace
{\bfseries\hfil F\hfil}\nopagebreak

  \item \verb*+\fi+\pfill 92, 103--106, 111, 180, 214, 220, 228, 238, 
		251, 258, 259, 261, 263, 264, 276, 311, 319, 335, 
		337, 338, 354, 355, 360, 383, 386, 403, 414, 424

  \indexspace
{\bfseries\hfil G\hfil}\nopagebreak

  \item \verb*+\gdef+\pfill 39, 391
  \item \verb*+\GenericWarning+\pfill 89
  \item \verb*+\global+\pfill 22--37, 40--47, 52--61, 65--76, 102--106, 
		181, 217, 219, 285, 296, 399, 401

  \indexspace
{\bfseries\hfil H\hfil}\nopagebreak

  \item \verb*+\hoffset+\pfill 22, 52, 65
  \item \verb*+\ht+\pfill 212, 214

  \indexspace
{\bfseries\hfil I\hfil}\nopagebreak

  \item \verb*+\if@cb@trace+\pfill 16, 88
  \item \verb*+\if@compatibility+\pfill 94
  \item \verb*+\if@filesw+\pfill 267
  \item \verb*+\if@firstcolumn+\pfill 258
  \item \verb*+\if@twocolumn+\pfill 257
  \item \verb*+\ifcase+\pfill 123
  \item \verb*+\ifeof+\pfill 349
  \item \verb*+\ifnum+\pfill 218, 223, 301, 314, 326, 328, 379, 380, 
		396, 408, 418
  \item \verb*+\ifodd+\pfill 232, 245, 261, 263, 331
  \item \verb*+\ifouterbars+\pfill 15, 260
  \item \verb*+\ifvmode+\pfill 208
  \item \verb*+\ifx+\pfill 103--106, 348, 356
  \item \verb*+\ignorespaces+\pfill 229
  \item \verb*+\immediate+\pfill 343, 365, 369, 370, 374, 375

  \indexspace
{\bfseries\hfil J\hfil}\nopagebreak

  \item \verb*+\jobname+\pfill 343, 370, 375

  \indexspace
{\bfseries\hfil L\hfil}\nopagebreak

  \item \verb*+\let+\pfill 60, 61, 75, 76, 147, 166, 174, 179, 181, 195, 
		271, 277, 279, 288, 290, 376, 392, 393, 405, 415
  \item \verb*+\level+\pfill 270, 273
  \item \verb*+\LN+\pfill 98, 103
  \item \verb*+\long+\pfill 406, 416

  \indexspace
{\bfseries\hfil M\hfil}\nopagebreak

  \item \verb*+\maxdepth+\pfill 284, 295, 305
  \item \verb*+\MessageBreak+\pfill 83, 115, 120, 389

  \indexspace
{\bfseries\hfil N\hfil}\nopagebreak

  \item \verb*+\newcommand+\pfill 87, 182, 184, 185, 192
  \item \verb*+\newcount+\pfill 5, 7--10, 12, 13
  \item \verb*+\newcounter+\pfill 202
  \item \verb*+\newdimen+\pfill 11, 17--20
  \item \verb*+\newenvironment+\pfill 188
  \item \verb*+\newif+\pfill 15, 16
  \item \verb*+\newlength+\pfill 196, 198, 200
  \item \verb*+\newread+\pfill 342
  \item \verb*+\newwrite+\pfill 341
  \item \verb*+\next+\pfill 96, 97
  \item \verb*+\nochangebars+\pfill \usage{3}, \main{192}
  \item \verb*+\noexpand+\pfill 96, 108, 254, 256

  \indexspace
{\bfseries\hfil O\hfil}\nopagebreak

  \item \verb*+\oddsidemargin+\pfill 24, 54, 67
  \item \verb*+\openin+\pfill 370, 375
  \item \verb*+\openout+\pfill 343
  \item \verb*+\OptionNotUsed+\pfill 80
  \item \verb*+\or+\pfill 132, 148, 167
  \item \texttt  {outerbars}\pfill \usage{3}, \main{6}
  \item \verb*+\outerbarsfalse+\pfill 49
  \item \verb*+\outerbarstrue+\pfill 48

  \indexspace
{\bfseries\hfil P\hfil}\nopagebreak

  \item \verb*+\p+\pfill 39
  \item \verb*+\PackageError+\pfill 80
  \item \verb*+\PackageWarning+\pfill 176, 224, 388
  \item \verb*+\point+\pfill 269, 273
  \item \verb*+\ProcessOptions+\pfill 86

  \indexspace
{\bfseries\hfil R\hfil}\nopagebreak

  \item \verb*+\read+\pfill 351
  \item \verb*+\relax+\pfill 40--47, 86, 102, 147, 166, 174, 179, 181, 
		195, 206, 217, 219, 306, 343, 357, 362, 379, 380

  \indexspace
{\bfseries\hfil S\hfil}\nopagebreak

  \item \verb*+\setbox+\pfill 280, 291, 303, 401
  \item \verb*+\setcounter+\pfill 203
  \item \verb*+\setlength+\pfill 197, 199, 201
  \item \verb*+\space+\pfill 128, 131, 135--137, 141--144, 151--154, 
		158--160, 162, 163
  \item \verb*+\special+\pfill 125, 128, 131, 134, 140, 150, 157, 169, 
		172
  \item \verb*+\string+\pfill 273
  \item \verb*+\strutbox+\pfill 212, 214

  \indexspace
{\bfseries\hfil T\hfil}\nopagebreak

  \item \verb*+\t+\pfill 39
  \item \verb*+\tempa+\pfill 96, 103--106
  \item \verb*+\textwidth+\pfill 26, 35, 68, 72
  \item \verb*+\the+\pfill 114, 116, 119, 121, 125, 128, 135--137, 
		142--144, 151, 153, 154, 159, 162, 163, 169, 172, 
		269--271, 273, 364, 412, 422
  \item \verb*+\thechangebargrey+\pfill 141, 158
  \item \verb*+\thepage+\pfill 116, 121
  \item \verb*+\thr@@+\pfill 244
  \item \verb*+\tw@+\pfill 243

  \indexspace
{\bfseries\hfil U\hfil}\nopagebreak

  \item \verb*+\unvbox+\pfill 283, 294, 304, 402
  \item \verb*+\uppercase+\pfill 97

  \indexspace
{\bfseries\hfil V\hfil}\nopagebreak

  \item \verb*+\vbox+\pfill 187, 211, 280, 291, 303, 402
  \item \verb*+\vskip+\pfill 187, 212, 214
  \item \verb*+\vss+\pfill 187

  \indexspace
{\bfseries\hfil W\hfil}\nopagebreak

  \item \verb*+\write+\pfill 272, 365

  \indexspace
{\bfseries\hfil X\hfil}\nopagebreak

  \item \verb*+\xdef+\pfill 109, 339, 352, 362, 364

  \indexspace
{\bfseries\hfil Z\hfil}\nopagebreak

  \item \verb*+\z@+\pfill 187, 211

 \end{theindex}