utils/tex2rtf/src/tex2any.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        tex2any.cpp
   3 // Purpose:     Utilities for Latex conversion.
   4 // Author:      Julian Smart
   5 // Modified by: Wlodzimiez ABX Skiba 2003/2004 Unicode support
   6 //              Ron Lee
   7 // Created:     01/01/99
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Julian Smart
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #endif
  26
  27 #include <ctype.h>
  28 #include "tex2any.h"
  29 #include <stdlib.h>
  30 #include <time.h>
  31
  32 #if !WXWIN_COMPATIBILITY_2_4
  33 static inline wxChar* copystring(const wxChar* s)
  34     { return wxStrcpy(new wxChar[wxStrlen(s) + 1], s); }
  35 #endif
  36
  37 /*
  38  * Variables accessible from clients
  39  *
  40  */
  41
  42 TexChunk *      DocumentTitle = NULL;
  43 TexChunk *      DocumentAuthor = NULL;
  44 TexChunk *      DocumentDate = NULL;
  45
  46 // Header/footers/pagestyle
  47 TexChunk *      LeftHeaderEven = NULL;
  48 TexChunk *      LeftFooterEven = NULL;
  49 TexChunk *      CentreHeaderEven = NULL;
  50 TexChunk *      CentreFooterEven = NULL;
  51 TexChunk *      RightHeaderEven = NULL;
  52 TexChunk *      RightFooterEven = NULL;
  53 TexChunk *      LeftHeaderOdd = NULL;
  54 TexChunk *      LeftFooterOdd = NULL;
  55 TexChunk *      CentreHeaderOdd = NULL;
  56 TexChunk *      CentreFooterOdd = NULL;
  57 TexChunk *      RightHeaderOdd = NULL;
  58 TexChunk *      RightFooterOdd = NULL;
  59 wxChar *        PageStyle = copystring(_T("plain"));
  60
  61 int             DocumentStyle = LATEX_REPORT;
  62 int             MinorDocumentStyle = 0;
  63 wxPathList      TexPathList;
  64 wxChar *        BibliographyStyleString = copystring(_T("plain"));
  65 wxChar *        DocumentStyleString = copystring(_T("report"));
  66 wxChar *        MinorDocumentStyleString = NULL;
  67 int             ParSkip = 0;
  68 int             ParIndent = 0;
  69
  70 int             normalFont = 10;
  71 int             smallFont = 8;
  72 int             tinyFont = 6;
  73 int             largeFont1 = 12;
  74 int             LargeFont2 = 14;
  75 int             LARGEFont3 = 18;
  76 int             hugeFont1 = 20;
  77 int             HugeFont2 = 24;
  78 int             HUGEFont3 = 28;
  79
  80 // All of these tokens MUST be found on a line by themselves (no other
  81 // text) and must start at the first character of the line, or tex2rtf
  82 // will fail to process them correctly (a limitation of tex2rtf, not TeX)
  83 static const wxString syntaxTokens[] =
  84 { _T("\\begin{verbatim}"),
  85   _T("\\begin{toocomplex}"),
  86   _T("\\end{verbatim}"),
  87   _T("\\end{toocomplex}"),
  88   _T("\\verb"),
  89   _T("\\begin{comment}"),
  90   _T("\\end{comment}"),
  91   _T("\\verbatiminput"),
  92 //  _T("\\par"),
  93   _T("\\input"),
  94   _T("\\helpinput"),
  95   _T("\\include"),
  96   wxEmptyString
  97 };
  98
  99
 100 /*
 101  * USER-ADJUSTABLE SETTINGS
 102  *
 103  */
 104
 105 // Section font sizes
 106 int             chapterFont =    12; // LARGEFont3;
 107 int             sectionFont =    12; // LargeFont2;
 108 int             subsectionFont = 12; // largeFont1;
 109 int             titleFont = LARGEFont3;
 110 int             authorFont = LargeFont2;
 111 int             mirrorMargins = true;
 112 bool            winHelp = false;  // Output in Windows Help format if TRUE, linear otherwise
 113 bool            isInteractive = false;
 114 bool            runTwice = false;
 115 int             convertMode = TEX_RTF;
 116 bool            checkCurleyBraces = false;
 117 bool            checkSyntax = false;
 118 bool            headerRule = false;
 119 bool            footerRule = false;
 120 bool            compatibilityMode = false; // If TRUE, maximum Latex compatibility
 121                                 // (Quality of RTF generation deteriorate)
 122 bool            generateHPJ; // Generate WinHelp Help Project file
 123 wxChar         *winHelpTitle = NULL; // Windows Help title
 124 int             defaultTableColumnWidth = 2000;
 125
 126 int             labelIndentTab = 18;  // From left indent to item label (points)
 127 int             itemIndentTab = 40;   // From left indent to item (points)
 128
 129 bool            useUpButton = true;
 130 int             htmlBrowseButtons = HTML_BUTTONS_TEXT;
 131
 132 bool            truncateFilenames = false; // Truncate for DOS
 133 int             winHelpVersion = 3; // WinHelp Version (3 for Windows 3.1, 4 for Win95)
 134 bool            winHelpContents = false; // Generate .cnt file for WinHelp 4
 135 bool            htmlIndex = false; // Generate .htx file for HTML
 136 bool            htmlFrameContents = false; // Use frames for HTML contents page
 137 wxChar         *htmlStylesheet = NULL; // Use this CSS stylesheet for HTML pages
 138 bool            useHeadingStyles = true; // Insert \s1, s2 etc.
 139 bool            useWord = true; // Insert proper Word table of contents, etc etc
 140 int             contentsDepth = 4; // Depth of Word table of contents
 141 bool            indexSubsections = true; // Index subsections in linear RTF
 142 // Linear RTF method of including bitmaps. Can be "includepicture", "hex"
 143 wxChar         *bitmapMethod = copystring(_T("includepicture"));
 144 bool            upperCaseNames = false;
 145 // HTML background and text colours
 146 wxChar         *backgroundImageString = NULL;
 147 wxChar         *backgroundColourString = copystring(_T("255;255;255"));
 148 wxChar         *textColourString = NULL;
 149 wxChar         *linkColourString = NULL;
 150 wxChar         *followedLinkColourString = NULL;
 151 bool            combineSubSections = false;
 152 bool            htmlWorkshopFiles = false;
 153 bool            ignoreBadRefs = false;
 154 wxChar                  *htmlFaceName = NULL;
 155
 156 extern int passNumber;
 157
 158 extern wxHashTable TexReferences;
 159
 160 /*
 161  * International support
 162  */
 163
 164 // Names to help with internationalisation
 165 wxChar *ContentsNameString = copystring(_T("Contents"));
 166 wxChar *AbstractNameString = copystring(_T("Abstract"));
 167 wxChar *GlossaryNameString = copystring(_T("Glossary"));
 168 wxChar *ReferencesNameString = copystring(_T("References"));
 169 wxChar *FiguresNameString = copystring(_T("List of Figures"));
 170 wxChar *TablesNameString = copystring(_T("List of Tables"));
 171 wxChar *FigureNameString = copystring(_T("Figure"));
 172 wxChar *TableNameString = copystring(_T("Table"));
 173 wxChar *IndexNameString = copystring(_T("Index"));
 174 wxChar *ChapterNameString = copystring(_T("chapter"));
 175 wxChar *SectionNameString = copystring(_T("section"));
 176 wxChar *SubsectionNameString = copystring(_T("subsection"));
 177 wxChar *SubsubsectionNameString = copystring(_T("subsubsection"));
 178 wxChar *UpNameString = copystring(_T("Up"));
 179
 180 /*
 181  * Section numbering
 182  *
 183  */
 184
 185 int             chapterNo = 0;
 186 int             sectionNo = 0;
 187 int             subsectionNo = 0;
 188 int             subsubsectionNo = 0;
 189 int             figureNo = 0;
 190 int             tableNo = 0;
 191
 192 /*
 193  * Other variables
 194  *
 195  */
 196
 197 FILE *CurrentOutput1 = NULL;
 198 FILE *CurrentOutput2 = NULL;
 199 FILE *Inputs[15];
 200 unsigned long LineNumbers[15];
 201 wxChar *FileNames[15];
 202 int CurrentInputIndex = 0;
 203
 204 wxChar *TexFileRoot = NULL;
 205 wxChar *TexBibName = NULL;         // Bibliography output file name
 206 wxChar *TexTmpBibName = NULL;      // Temporary bibliography output file name
 207 bool isSync = false;             // If TRUE, should not yield to other processes.
 208 bool stopRunning = false;        // If TRUE, should abort.
 209
 210 static int currentColumn = 0;
 211 wxChar *currentArgData = NULL;
 212 bool haveArgData = false; // If TRUE, we're simulating the data.
 213 TexChunk *currentArgument = NULL;
 214 TexChunk *nextChunk = NULL;
 215 bool isArgOptional = false;
 216 int noArgs = 0;
 217
 218 TexChunk *TopLevel = NULL;
 219 // wxList MacroDefs(wxKEY_STRING);
 220 wxHashTable MacroDefs(wxKEY_STRING);
 221 wxStringList IgnorableInputFiles; // Ignorable \input files, e.g. psbox.tex
 222 wxChar *BigBuffer = NULL;  // For reading in large chunks of text
 223 TexMacroDef *SoloBlockDef = NULL;
 224 TexMacroDef *VerbatimMacroDef = NULL;
 225
 226 #define IncrementLineNumber() LineNumbers[CurrentInputIndex] ++
 227
 228
 229 TexRef::TexRef(const wxChar *label, const wxChar *file,
 230                const wxChar *section, const wxChar *sectionN)
 231 {
 232     refLabel = copystring(label);
 233     refFile = file ? copystring(file) : (wxChar*) NULL;
 234     sectionNumber = section ? copystring(section) : copystring(_T("??"));
 235     sectionName = sectionN ? copystring(sectionN) : copystring(_T("??"));
 236 }
 237
 238 TexRef::~TexRef(void)
 239 {
 240     delete [] refLabel;      refLabel = NULL;
 241     delete [] refFile;       refFile = NULL;
 242     delete [] sectionNumber; sectionNumber = NULL;
 243     delete [] sectionName;   sectionName = NULL;
 244 }
 245
 246
 247 CustomMacro::~CustomMacro()
 248 {
 249     if (macroName)
 250         delete [] macroName;
 251     if (macroBody)
 252         delete [] macroBody;
 253 }
 254
 255 void TexOutput(const wxChar *s, bool ordinaryText)
 256 {
 257   int len = wxStrlen(s);
 258
 259   // Update current column, but only if we're guaranteed to
 260   // be ordinary text (not mark-up stuff)
 261   int i;
 262   if (ordinaryText)
 263     for (i = 0; i < len; i++)
 264     {
 265       if (s[i] == 13 || s[i] == 10)
 266         currentColumn = 0;
 267       else
 268         currentColumn ++;
 269     }
 270
 271   if (CurrentOutput1)
 272     wxFprintf(CurrentOutput1, _T("%s"), s);
 273   if (CurrentOutput2)
 274     wxFprintf(CurrentOutput2, _T("%s"), s);
 275 }
 276
 277 /*
 278  * Try to find a Latex macro, in one of the following forms:
 279  * (1) \begin{} ... \end{}
 280  * (2) \macroname{arg1}...{argn}
 281  * (3) {\bf arg1}
 282  */
 283
 284 void ForbidWarning(TexMacroDef *def)
 285 {
 286   wxString informBuf;
 287   switch (def->forbidden)
 288   {
 289     case FORBID_WARN:
 290     {
 291       informBuf.Printf(_T("Warning: it is recommended that command %s is not used."), def->name);
 292       OnInform((const wxChar *)informBuf.c_str());
 293       break;
 294     }
 295     case FORBID_ABSOLUTELY:
 296     {
 297       informBuf.Printf(_T("Error: command %s cannot be used and will lead to errors."), def->name);
 298       OnInform((const wxChar *)informBuf.c_str());
 299       break;
 300     }
 301     default:
 302       break;
 303   }
 304 }
 305
 306 TexMacroDef *MatchMacro(wxChar *buffer, int *pos, wxChar **env, bool *parseToBrace)
 307 {
 308   *parseToBrace = true;
 309   int i = (*pos);
 310   TexMacroDef *def = NULL;
 311   wxChar macroBuf[40];
 312
 313   // First, try to find begin{thing}
 314   if (wxStrncmp(buffer+i, _T("begin{"), 6) == 0)
 315   {
 316     i += 6;
 317
 318     int j = i;
 319     while ((isalpha(buffer[j]) || buffer[j] == '*') && ((j - i) < 39))
 320     {
 321       macroBuf[j-i] = buffer[j];
 322       j ++;
 323     }
 324     macroBuf[j-i] = 0;
 325     def = (TexMacroDef *)MacroDefs.Get(macroBuf);
 326
 327     if (def)
 328     {
 329       *pos = j + 1;  // BUGBUG Should this be + 1???
 330       *env = def->name;
 331       ForbidWarning(def);
 332       return def;
 333     }
 334     else return NULL;
 335   }
 336
 337   // Failed, so try to find macro from definition list
 338   int j = i;
 339
 340   // First try getting a one-character macro, but ONLY
 341   // if these TWO characters are not both alphabetical (could
 342   // be a longer macro)
 343   if (!(isalpha(buffer[i]) && isalpha(buffer[i+1])))
 344   {
 345     macroBuf[0] = buffer[i];
 346     macroBuf[1] = 0;
 347
 348     def = (TexMacroDef *)MacroDefs.Get(macroBuf);
 349     if (def) j ++;
 350   }
 351
 352   if (!def)
 353   {
 354     while ((isalpha(buffer[j]) || buffer[j] == '*') && ((j - i) < 39))
 355     {
 356       macroBuf[j-i] = buffer[j];
 357       j ++;
 358     }
 359     macroBuf[j-i] = 0;
 360     def = (TexMacroDef *)MacroDefs.Get(macroBuf);
 361   }
 362
 363   if (def)
 364   {
 365     i = j;
 366
 367     // We want to check whether this is a space-consuming macro
 368     // (e.g. {\bf word})
 369     // No brace, e.g. \input thing.tex instead of \input{thing};
 370     // or a numeric argument, such as \parindent0pt
 371     if ((def->no_args > 0) && ((buffer[i] == 32) || (buffer[i] == '=') || (isdigit(buffer[i]))))
 372     {
 373       if ((buffer[i] == 32) || (buffer[i] == '='))
 374         i ++;
 375
 376       *parseToBrace = false;
 377     }
 378     *pos = i;
 379     ForbidWarning(def);
 380     return def;
 381   }
 382   return NULL;
 383 }
 384
 385 void EatWhiteSpace(wxChar *buffer, int *pos)
 386 {
 387   int len = wxStrlen(buffer);
 388   int j = *pos;
 389   bool keepGoing = true;
 390   bool moreLines = true;
 391   while ((j < len) && keepGoing &&
 392          (buffer[j] == 10 || buffer[j] == 13 || buffer[j] == ' ' || buffer[j] == 9))
 393   {
 394     j ++;
 395     if (j >= len)
 396     {
 397       if (moreLines)
 398       {
 399         moreLines = read_a_line(buffer);
 400         len = wxStrlen(buffer);
 401         j = 0;
 402       }
 403       else
 404         keepGoing = false;
 405     }
 406   }
 407   *pos = j;
 408 }
 409
 410 bool FindEndEnvironment(wxChar *buffer, int *pos, wxChar *env)
 411 {
 412   int i = (*pos);
 413
 414   // Try to find end{thing}
 415   if ((wxStrncmp(buffer+i, _T("end{"), 4) == 0) &&
 416       (wxStrncmp(buffer+i+4, env, wxStrlen(env)) == 0))
 417   {
 418     *pos = i + 5 + wxStrlen(env);
 419     return true;
 420   }
 421   else return false;
 422 }
 423
 424 bool readingVerbatim = false;
 425 bool readInVerbatim = false;  // Within a verbatim, but not nec. verbatiminput
 426
 427 // Switched this off because e.g. \verb${$ causes it to fail. There is no
 428 // detection of \verb yet.
 429 // #define CHECK_BRACES 1
 430
 431 unsigned long leftCurley = 0;
 432 unsigned long rightCurley = 0;
 433 static wxString currentFileName = _T("");
 434
 435 bool read_a_line(wxChar *buf)
 436 {
 437   if (CurrentInputIndex < 0)
 438   {
 439     buf[0] = 0;
 440     return false;
 441   }
 442
 443   int ch = -2;
 444   unsigned long bufIndex = 0;
 445   buf[0] = 0;
 446
 447   while (ch != EOF && ch != 10)
 448   {
 449     if (bufIndex >= MAX_LINE_BUFFER_SIZE)
 450     {
 451        wxString errBuf;
 452        errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 453            LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(), MAX_LINE_BUFFER_SIZE);
 454        OnError((wxChar *)errBuf.c_str());
 455        return false;
 456     }
 457
 458     if (((bufIndex == 14) && (wxStrncmp(buf, _T("\\end{verbatim}"), 14) == 0)) ||
 459          ((bufIndex == 16) && (wxStrncmp(buf, _T("\\end{toocomplex}"), 16) == 0)))
 460       readInVerbatim = false;
 461
 462     ch = getc(Inputs[CurrentInputIndex]);
 463
 464     if (checkCurleyBraces)
 465     {
 466         if (ch == '{' && !readInVerbatim)
 467            leftCurley++;
 468         if (ch == '}' && !readInVerbatim)
 469         {
 470            rightCurley++;
 471            if (rightCurley > leftCurley)
 472            {
 473                wxString errBuf;
 474                errBuf.Printf(_T("An extra right Curley brace ('}') was detected at line %lu inside file %s"), LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str());
 475                OnError((wxChar *)errBuf.c_str());
 476
 477                // Reduce the count of right Curley braces, so the mismatched count
 478                // isn't reported on every line that has a '}' after the first mismatch
 479                rightCurley--;
 480            }
 481         }
 482     }
 483
 484     if (ch != EOF)
 485     {
 486       // Check for 2 consecutive newlines and replace with \par
 487       if (ch == 10 && !readInVerbatim)
 488       {
 489         int ch1 = getc(Inputs[CurrentInputIndex]);
 490         if ((ch1 == 10) || (ch1 == 13))
 491         {
 492           // Eliminate newline (10) following DOS linefeed
 493           if (ch1 == 13)
 494             getc(Inputs[CurrentInputIndex]);
 495           buf[bufIndex] = 0;
 496           IncrementLineNumber();
 497 //          wxStrcat(buf, "\\par\n");
 498 //          i += 6;
 499           if (bufIndex+5 >= MAX_LINE_BUFFER_SIZE)
 500           {
 501              wxString errBuf;
 502              errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 503                  LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(),MAX_LINE_BUFFER_SIZE);
 504              OnError((wxChar *)errBuf.c_str());
 505              return false;
 506           }
 507           wxStrcat(buf, _T("\\par"));
 508           bufIndex += 5;
 509
 510         }
 511         else
 512         {
 513           ungetc(ch1, Inputs[CurrentInputIndex]);
 514           if (bufIndex >= MAX_LINE_BUFFER_SIZE)
 515           {
 516              wxString errBuf;
 517              errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 518                  LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(),MAX_LINE_BUFFER_SIZE);
 519              OnError((wxChar *)errBuf.c_str());
 520              return false;
 521           }
 522
 523           buf[bufIndex] = ch;
 524           bufIndex ++;
 525         }
 526       }
 527       else
 528       {
 529
 530         // Convert embedded characters to RTF equivalents
 531         switch(ch)
 532         {
 533         case 0xf6: // ö
 534         case 0xe4: // ü
 535         case 0xfc: // ü
 536         case 0xd6: // Ö
 537         case 0xc4: // Ä
 538         case 0xdc: // Ü
 539                 if (bufIndex+5 >= MAX_LINE_BUFFER_SIZE)
 540                 {
 541                    wxString errBuf;
 542                    errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 543                        LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(),MAX_LINE_BUFFER_SIZE);
 544                    OnError((wxChar *)errBuf.c_str());
 545                    return false;
 546                 }
 547                 buf[bufIndex++]='\\';
 548                 buf[bufIndex++]='"';
 549                 buf[bufIndex++]='{';
 550                 switch(ch)
 551                 {
 552                     case 0xf6:buf[bufIndex++]='o';break; // ö
 553                     case 0xe4:buf[bufIndex++]='a';break; // ä
 554                     case 0xfc:buf[bufIndex++]='u';break; // ü
 555                     case 0xd6:buf[bufIndex++]='O';break; // Ö
 556                     case 0xc4:buf[bufIndex++]='A';break; // Ä
 557                     case 0xdc:buf[bufIndex++]='U';break; // Ü
 558                 }
 559                 buf[bufIndex++]='}';
 560                 break;
 561         case 0xdf: // ß
 562             if (bufIndex+5 >= MAX_LINE_BUFFER_SIZE)
 563             {
 564               wxString errBuf;
 565               errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 566                   LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(),MAX_LINE_BUFFER_SIZE);
 567               OnError((wxChar *)errBuf.c_str());
 568               return false;
 569             }
 570             buf[bufIndex++]='\\';
 571             buf[bufIndex++]='s';
 572             buf[bufIndex++]='s';
 573             buf[bufIndex++]='\\';
 574             buf[bufIndex++]='/';
 575             break;
 576         default:
 577             if (bufIndex >= MAX_LINE_BUFFER_SIZE)
 578             {
 579               wxString errBuf;
 580               errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 581                   LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(),MAX_LINE_BUFFER_SIZE);
 582               OnError((wxChar *)errBuf.c_str());
 583               return false;
 584             }
 585             // If the current character read in is a '_', we need to check
 586             // whether there should be a '\' before it or not
 587             if (ch != '_')
 588             {
 589                 buf[bufIndex++] = ch;
 590                 break;
 591             }
 592
 593             if (checkSyntax)
 594             {
 595                 if (readInVerbatim)
 596                 {
 597                     // There should NOT be a '\' before the '_'
 598                     if ((bufIndex > 0 && (buf[bufIndex-1] == '\\')) && (buf[0] != '%'))
 599                     {
 600                         wxString errBuf;
 601                         errBuf.Printf(_T("An underscore ('_') was detected at line %lu inside file %s that should NOT have a '\\' before it."),
 602                             LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str());
 603                         OnError((wxChar *)errBuf.c_str());
 604                     }
 605                 }
 606                 else
 607                 {
 608                     // There should be a '\' before the '_'
 609                     if (bufIndex == 0)
 610                     {
 611                         wxString errBuf;
 612                         errBuf.Printf(_T("An underscore ('_') was detected at line %lu inside file %s that may need a '\\' before it."),
 613                             LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str());
 614                         OnError((wxChar *)errBuf.c_str());
 615                     }
 616                     else if ((buf[bufIndex-1] != '\\') && (buf[0] != '%') &&  // If it is a comment line, then no warnings
 617                         (wxStrncmp(buf, _T("\\input"), 6))) // do not report filenames that have underscores in them
 618                     {
 619                         wxString errBuf;
 620                         errBuf.Printf(_T("An underscore ('_') was detected at line %lu inside file %s that may need a '\\' before it."),
 621                             LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str());
 622                         OnError((wxChar *)errBuf.c_str());
 623                     }
 624                 }
 625             }
 626             buf[bufIndex++] = ch;
 627             break;
 628         }  // switch
 629       }  // else
 630     }
 631     else
 632     {
 633       buf[bufIndex] = 0;
 634       fclose(Inputs[CurrentInputIndex]);
 635       Inputs[CurrentInputIndex] = NULL;
 636       if (CurrentInputIndex > 0)
 637          ch = ' '; // No real end of file
 638       CurrentInputIndex --;
 639
 640       if (checkCurleyBraces)
 641       {
 642           if (leftCurley != rightCurley)
 643           {
 644             wxString errBuf;
 645             errBuf.Printf(_T("Curley braces do not match inside file %s\n%lu opens, %lu closes"),
 646                           (const wxChar*) currentFileName.c_str(),leftCurley,rightCurley);
 647             OnError((wxChar *)errBuf.c_str());
 648           }
 649           leftCurley = 0;
 650           rightCurley = 0;
 651       }
 652
 653       if (readingVerbatim)
 654       {
 655         readingVerbatim = false;
 656         readInVerbatim = false;
 657         wxStrcat(buf, _T("\\end{verbatim}\n"));
 658         return false;
 659       }
 660     }
 661     if (ch == 10)
 662       IncrementLineNumber();
 663   }
 664   buf[bufIndex] = 0;
 665
 666   // Strip out comment environment
 667   if (wxStrncmp(buf, _T("\\begin{comment}"), 15) == 0)
 668   {
 669     while (wxStrncmp(buf, _T("\\end{comment}"), 13) != 0)
 670       read_a_line(buf);
 671     return read_a_line(buf);
 672   }
 673   // Read a verbatim input file as if it were a verbatim environment
 674   else if (wxStrncmp(buf, _T("\\verbatiminput"), 14) == 0)
 675   {
 676     int wordLen = 14;
 677     wxChar *fileName = buf + wordLen + 1;
 678
 679     int j = bufIndex - 1;
 680     buf[j] = 0;
 681
 682     // thing}\par -- eliminate the \par!
 683     if (wxStrncmp((buf + wxStrlen(buf)-5), _T("\\par"), 4) == 0)
 684     {
 685       j -= 5;
 686       buf[j] = 0;
 687     }
 688
 689     if (buf[j-1] == '}')
 690         buf[j-1] = 0; // Ignore final brace
 691
 692     wxString actualFile = TexPathList.FindValidPath(fileName);
 693     currentFileName = actualFile;
 694     if (actualFile == _T(""))
 695     {
 696       wxString errBuf;
 697       errBuf.Printf(_T("Could not find file: %s"),fileName);
 698       OnError((wxChar *)errBuf.c_str());
 699     }
 700     else
 701     {
 702       wxString informStr;
 703       informStr.Printf(_T("Processing: %s"),actualFile.c_str());
 704       OnInform((wxChar *)informStr.c_str());
 705       CurrentInputIndex ++;
 706
 707       Inputs[CurrentInputIndex] = wxFopen(actualFile, _T("r"));
 708       LineNumbers[CurrentInputIndex] = 1;
 709       if (FileNames[CurrentInputIndex])
 710         delete[] FileNames[CurrentInputIndex];
 711       FileNames[CurrentInputIndex] = copystring(actualFile);
 712
 713       if (!Inputs[CurrentInputIndex])
 714       {
 715         CurrentInputIndex --;
 716         OnError(_T("Could not open verbatiminput file."));
 717       }
 718       else
 719       {
 720         readingVerbatim = true;
 721         readInVerbatim = true;
 722         wxStrcpy(buf, _T("\\begin{verbatim}\n"));
 723         return false;
 724       }
 725     }
 726     return false;
 727   }
 728   else if (wxStrncmp(buf, _T("\\input"), 6) == 0 || wxStrncmp(buf, _T("\\helpinput"), 10) == 0 ||
 729       wxStrncmp(buf, _T("\\include"), 8) == 0)
 730   {
 731     int wordLen;
 732     if (wxStrncmp(buf, _T("\\input"), 6) == 0)
 733       wordLen = 6;
 734     else
 735     if (wxStrncmp(buf, _T("\\include"), 8) == 0)
 736       wordLen = 8;
 737     else
 738       wordLen = 10;
 739
 740     wxChar *fileName = buf + wordLen + 1;
 741
 742     int j = bufIndex - 1;
 743     buf[j] = 0;
 744
 745     // \input{thing}\par -- eliminate the \par!
 746 //    if (wxStrncmp((buf + wxStrlen(buf)-5), "\\par", 4) == 0)
 747     if (wxStrncmp((buf + wxStrlen(buf)-4), _T("\\par"), 4) == 0) // Bug fix 8/2/95 Ulrich Leodolter
 748     {
 749 //      j -= 5;
 750       j -= 4; // Ditto
 751       buf[j] = 0;
 752     }
 753
 754     if (buf[j-1] == _T('}'))
 755         buf[j-1] = 0; // Ignore final brace
 756
 757     // Remove backslashes from name
 758     wxString fileNameStr(fileName);
 759     fileNameStr.Replace(_T("\\"), _T(""));
 760
 761     // Ignore some types of input files (e.g. macro definition files)
 762     wxChar *fileOnly = wxFileNameFromPath((wxChar*) (const wxChar*) fileNameStr);
 763     currentFileName = fileOnly;
 764     if (IgnorableInputFiles.Member(fileOnly))
 765       return read_a_line(buf);
 766
 767     wxString actualFile = TexPathList.FindValidPath(fileNameStr);
 768     if (actualFile == _T(""))
 769     {
 770       wxChar buf2[400];
 771       wxSnprintf(buf2, sizeof(buf2), _T("%s.tex"), fileNameStr.c_str());
 772       actualFile = TexPathList.FindValidPath(buf2);
 773     }
 774     currentFileName = actualFile;
 775
 776     if (actualFile == _T(""))
 777     {
 778       wxString errBuf;
 779       errBuf.Printf(_T("Could not find file: %s"),fileName);
 780       OnError((wxChar *)errBuf.c_str());
 781     }
 782     else
 783     {
 784       // Ensure that if this file includes another,
 785       // then we look in the same directory as this one.
 786       TexPathList.EnsureFileAccessible(actualFile);
 787
 788       wxString informStr;
 789       informStr.Printf(_T("Processing: %s"),actualFile.c_str());
 790       OnInform((wxChar *)informStr.c_str());
 791       CurrentInputIndex ++;
 792
 793       Inputs[CurrentInputIndex] = wxFopen(actualFile, _T("r"));
 794       LineNumbers[CurrentInputIndex] = 1;
 795       if (FileNames[CurrentInputIndex])
 796         delete[] FileNames[CurrentInputIndex];
 797       FileNames[CurrentInputIndex] = copystring(actualFile);
 798
 799       if (!Inputs[CurrentInputIndex])
 800       {
 801         wxString errBuf;
 802         errBuf.Printf(_T("Could not open include file %s"), (const wxChar*) actualFile);
 803         CurrentInputIndex --;
 804         OnError((wxChar *)errBuf.c_str());
 805       }
 806     }
 807     bool succ = read_a_line(buf);
 808     return succ;
 809   }
 810
 811   if (checkSyntax)
 812   {
 813       wxString bufStr = buf;
 814       for (int index=0; syntaxTokens[index] != wxEmptyString; index++)
 815       {
 816           size_t pos = bufStr.find(syntaxTokens[index]);
 817           if (pos != wxString::npos && pos != 0)
 818           {
 819               size_t commentStart = bufStr.find(_T("%"));
 820               if (commentStart == wxString::npos || commentStart > pos)
 821               {
 822                   wxString errBuf;
 823                   if (syntaxTokens[index] == _T("\\verb"))
 824                   {
 825                       errBuf.Printf(_T("'%s$....$' was detected at line %lu inside file %s.  Please replace this form with \\tt{....}"),
 826                                     syntaxTokens[index].c_str(),
 827                                     LineNumbers[CurrentInputIndex],
 828                                     currentFileName.c_str());
 829                   }
 830                   else
 831                   {
 832                       errBuf.Printf(_T("'%s' was detected at line %lu inside file %s that is not the only text on the line, starting at column one."),
 833                                     syntaxTokens[index].c_str(),
 834                                     LineNumbers[CurrentInputIndex],
 835                                     currentFileName.c_str());
 836                   }
 837                   OnError((wxChar *)errBuf.c_str());
 838               }
 839           }
 840       }
 841   }  // checkSyntax
 842
 843   if (wxStrncmp(buf, _T("\\begin{verbatim}"), 16) == 0 ||
 844       wxStrncmp(buf, _T("\\begin{toocomplex}"), 18) == 0)
 845     readInVerbatim = true;
 846   else if (wxStrncmp(buf, _T("\\end{verbatim}"), 14) == 0 ||
 847            wxStrncmp(buf, _T("\\end{toocomplex}"), 16) == 0)
 848     readInVerbatim = false;
 849
 850   if (checkCurleyBraces)
 851   {
 852       if (ch == EOF && leftCurley != rightCurley)
 853       {
 854         wxString errBuf;
 855         errBuf.Printf(_T("Curley braces do not match inside file %s\n%lu opens, %lu closes"),
 856             (const wxChar*) currentFileName.c_str(),leftCurley,rightCurley);
 857         OnError((wxChar *)errBuf.c_str());
 858       }
 859   }
 860
 861   return (ch == EOF);
 862 }  // read_a_line
 863
 864 /*
 865  * Parse newcommand
 866  *
 867  */
 868
 869 bool ParseNewCommand(wxChar *buffer, int *pos)
 870 {
 871   if ((wxStrncmp((buffer+(*pos)), _T("newcommand"), 10) == 0) ||
 872       (wxStrncmp((buffer+(*pos)), _T("renewcommand"), 12) == 0))
 873   {
 874     if (wxStrncmp((buffer+(*pos)), _T("newcommand"), 10) == 0)
 875       *pos = *pos + 12;
 876     else
 877       *pos = *pos + 14;
 878
 879     wxChar commandName[100];
 880     wxChar commandValue[1000];
 881     int noArgs = 0;
 882     int i = 0;
 883     while (buffer[*pos] != _T('}') && (buffer[*pos] != 0))
 884     {
 885       commandName[i] = buffer[*pos];
 886       *pos += 1;
 887       i ++;
 888     }
 889     commandName[i] = 0;
 890     i = 0;
 891     *pos += 1;
 892     if (buffer[*pos] == _T('['))
 893     {
 894       *pos += 1;
 895       noArgs = (int)(buffer[*pos]) - 48;
 896       *pos += 2; // read past argument and '['
 897     }
 898     bool end = false;
 899     int braceCount = 0;
 900     while (!end)
 901     {
 902       char ch = buffer[*pos];
 903       if (ch == _T('{'))
 904         braceCount ++;
 905       else if (ch == _T('}'))
 906       {
 907         braceCount --;
 908         if (braceCount == 0)
 909           end = true;
 910       }
 911       else if (ch == 0)
 912       {
 913         end = !read_a_line(buffer);
 914         wxUnusedVar(end);
 915         *pos = 0;
 916         break;
 917       }
 918       commandValue[i] = ch;
 919       i ++;
 920       *pos += 1;
 921     }
 922     commandValue[i] = 0;
 923
 924     CustomMacro *macro = new CustomMacro(commandName, noArgs, NULL);
 925     if (wxStrlen(commandValue) > 0)
 926       macro->macroBody = copystring(commandValue);
 927     if (!CustomMacroList.Find(commandName))
 928     {
 929       CustomMacroList.Append(commandName, macro);
 930       AddMacroDef(ltCUSTOM_MACRO, commandName, noArgs);
 931     }
 932     return true;
 933   }
 934   else return false;
 935 }
 936
 937 void MacroError(wxChar *buffer)
 938 {
 939   wxString errBuf;
 940   wxChar macroBuf[200];
 941   macroBuf[0] = '\\';
 942   int i = 1;
 943   char ch;
 944   while (((ch = buffer[i-1]) != '\n') && (ch != 0))
 945   {
 946     macroBuf[i] = ch;
 947     i ++;
 948   }
 949   macroBuf[i] = 0;
 950   if (i > 20)
 951     macroBuf[20] = 0;
 952
 953   errBuf.Printf(_T("Could not find macro: %s at line %d, file %s"),
 954              macroBuf, (int)(LineNumbers[CurrentInputIndex]-1), FileNames[CurrentInputIndex]);
 955   OnError((wxChar *)errBuf.c_str());
 956
 957   if (wxStrcmp(macroBuf,_T("\\end{document}")) == 0)
 958   {
 959       OnInform( _T("Halted build due to unrecoverable error.") );
 960       stopRunning = true;
 961   }
 962 }
 963
 964 /*
 965  * Parse an argument.
 966  * 'environment' specifies the name of the macro IFF if we're looking for the end
 967  * of an environment, e.g. \end{itemize}. Otherwise it's NULL.
 968  * 'parseToBrace' is TRUE if the argument should extend to the next right brace,
 969  * e.g. in {\bf an argument} as opposed to \vskip 30pt
 970  *
 971  */
 972 int ParseArg(TexChunk *thisArg, wxList& children, wxChar *buffer, int pos, wxChar *environment, bool parseToBrace, TexChunk *customMacroArgs)
 973 {
 974   Tex2RTFYield();
 975   if (stopRunning) return pos;
 976
 977   bool eof = false;
 978   BigBuffer[0] = 0;
 979   int buf_ptr = 0;
 980   int len;
 981
 982 /*
 983
 984   // Consume leading brace or square bracket, but ONLY if not following
 985   // a space, because this could be e.g. {\large {\bf thing}} where {\bf thing}
 986   // is the argument of \large AS WELL as being a block in its
 987   // own right.
 988   if (!environment)
 989   {
 990     if ((pos > 0) && (buffer[pos-1] != ' ') && buffer[pos] == '{')
 991       pos ++;
 992     else
 993
 994     if ((pos > 0) && (buffer[pos-1] != ' ') && (buffer[pos] == '[' || buffer[pos] == '('))
 995     {
 996       isOptional = true;
 997       pos ++;
 998     }
 999     else if ((pos > 1) && (buffer[pos-1] != ' ') && (buffer[pos+1] == '[' || buffer[pos+1] == '('))
1000     {
1001       isOptional = true;
1002       pos += 2;
1003     }
1004   }
1005 */
1006
1007   // If not parsing to brace, just read the next word
1008   // (e.g. \vskip 20pt)
1009   if (!parseToBrace)
1010   {
1011     int ch = buffer[pos];
1012     while (!eof && ch != 13 && ch != 32 && ch != 10 &&
1013            ch != 0 && ch != '{')
1014     {
1015       BigBuffer[buf_ptr] = ch;
1016       buf_ptr ++;
1017       pos ++;
1018       ch = buffer[pos];
1019     }
1020     if (buf_ptr > 0)
1021     {
1022       TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1023       BigBuffer[buf_ptr] = 0;
1024       chunk->value = copystring(BigBuffer);
1025       children.Append((wxObject *)chunk);
1026     }
1027     return pos;
1028   }
1029
1030   while (!eof)
1031   {
1032     len = wxStrlen(buffer);
1033     if (pos >= len)
1034     {
1035       if (customMacroArgs) return 0;
1036
1037       eof = read_a_line(buffer);
1038       pos = 0;
1039       // Check for verbatim (or toocomplex, which comes to the same thing)
1040       wxString bufStr = buffer;
1041 //      if (bufStr.find("\\begin{verbatim}") != wxString::npos ||
1042 //          bufStr.find("\\begin{toocomplex}") != wxString::npos)
1043       if (wxStrncmp(buffer, _T("\\begin{verbatim}"), 16) == 0 ||
1044           wxStrncmp(buffer, _T("\\begin{toocomplex}"), 18) == 0)
1045       {
1046         if (buf_ptr > 0)
1047         {
1048           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1049           BigBuffer[buf_ptr] = 0;
1050           chunk->value = copystring(BigBuffer);
1051           children.Append((wxObject *)chunk);
1052         }
1053         BigBuffer[0] = 0;
1054         buf_ptr = 0;
1055
1056         eof = read_a_line(buffer);
1057         while (!eof && (wxStrncmp(buffer, _T("\\end{verbatim}"), 14) != 0) &&
1058                        (wxStrncmp(buffer, _T("\\end{toocomplex}"), 16) != 0)
1059                )
1060         {
1061           wxStrcat(BigBuffer, buffer);
1062           buf_ptr += wxStrlen(buffer);
1063           eof = read_a_line(buffer);
1064         }
1065         eof = read_a_line(buffer);
1066         buf_ptr = 0;
1067
1068         TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO, VerbatimMacroDef);
1069         chunk->no_args = 1;
1070         chunk->macroId = ltVERBATIM;
1071         TexChunk *arg = new TexChunk(CHUNK_TYPE_ARG, VerbatimMacroDef);
1072         arg->argn = 1;
1073         arg->macroId = ltVERBATIM;
1074         TexChunk *str = new TexChunk(CHUNK_TYPE_STRING);
1075         str->value = copystring(BigBuffer);
1076
1077         children.Append((wxObject *)chunk);
1078         chunk->children.Append((wxObject *)arg);
1079         arg->children.Append((wxObject *)str);
1080
1081         // Also want to include the following newline (is always a newline
1082         // after a verbatim): EXCEPT in HTML
1083         if (convertMode != TEX_HTML)
1084         {
1085           TexMacroDef *parDef = (TexMacroDef *)MacroDefs.Get(_T("\\"));
1086           TexChunk *parChunk = new TexChunk(CHUNK_TYPE_MACRO, parDef);
1087           parChunk->no_args = 0;
1088           parChunk->macroId = ltBACKSLASHCHAR;
1089           children.Append((wxObject *)parChunk);
1090         }
1091       }
1092     }
1093
1094     char ch = buffer[pos];
1095     // End of optional argument -- pretend it's right brace for simplicity
1096     if (thisArg->optional && (ch == ']'))
1097       ch = '}';
1098
1099     switch (ch)
1100     {
1101       case 0:
1102       case '}':  // End of argument
1103       {
1104         if (buf_ptr > 0)
1105         {
1106           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1107           BigBuffer[buf_ptr] = 0;
1108           chunk->value = copystring(BigBuffer);
1109           children.Append((wxObject *)chunk);
1110         }
1111         if (ch == '}') pos ++;
1112         return pos;
1113       }
1114       case '\\':
1115       {
1116         if (buf_ptr > 0)  // Finish off the string we've read so far
1117         {
1118           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1119           BigBuffer[buf_ptr] = 0;
1120           buf_ptr = 0;
1121           chunk->value = copystring(BigBuffer);
1122           children.Append((wxObject *)chunk);
1123         }
1124         pos ++;
1125
1126         // Try matching \end{environment}
1127         if (environment && FindEndEnvironment(buffer, &pos, environment))
1128         {
1129           // Eliminate newline after an \end{} if possible
1130           if (buffer[pos] == 13)
1131           {
1132             pos ++;
1133             if (buffer[pos] == 10)
1134               pos ++;
1135           }
1136           return pos;
1137         }
1138
1139         if (ParseNewCommand(buffer, &pos))
1140           break;
1141
1142         if (wxStrncmp(buffer+pos, _T("special"), 7) == 0)
1143         {
1144           pos += 7;
1145
1146           // Discard {
1147           pos ++;
1148           int noBraces = 1;
1149
1150           wxTex2RTFBuffer[0] = 0;
1151           int i = 0;
1152           bool end = false;
1153           while (!end)
1154           {
1155             int ch = buffer[pos];
1156             if (ch == '}')
1157             {
1158               noBraces --;
1159               if (noBraces == 0)
1160               {
1161                 wxTex2RTFBuffer[i] = 0;
1162                 end = true;
1163               }
1164               else
1165               {
1166                 wxTex2RTFBuffer[i] = '}';
1167                 i ++;
1168               }
1169               pos ++;
1170             }
1171             else if (ch == '{')
1172             {
1173               wxTex2RTFBuffer[i] = '{';
1174               i ++;
1175               pos ++;
1176             }
1177             else if (ch == '\\' && buffer[pos+1] == '}')
1178             {
1179               wxTex2RTFBuffer[i] = '}';
1180               pos += 2;
1181               i++;
1182             }
1183             else if (ch == '\\' && buffer[pos+1] == '{')
1184             {
1185               wxTex2RTFBuffer[i] = '{';
1186               pos += 2;
1187               i++;
1188             }
1189             else
1190             {
1191               wxTex2RTFBuffer[i] = ch;
1192               pos ++;
1193               i ++;
1194               if (ch == 0)
1195                 end = true;
1196             }
1197           }
1198           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1199           chunk->no_args = 1;
1200           chunk->macroId = ltSPECIAL;
1201           TexMacroDef *specialDef = (TexMacroDef *)MacroDefs.Get(_T("special"));
1202           chunk->def = specialDef;
1203           TexChunk *arg = new TexChunk(CHUNK_TYPE_ARG, specialDef);
1204           chunk->children.Append((wxObject *)arg);
1205           arg->argn = 1;
1206           arg->macroId = chunk->macroId;
1207
1208           // The value in the first argument.
1209           TexChunk *argValue = new TexChunk(CHUNK_TYPE_STRING);
1210           arg->children.Append((wxObject *)argValue);
1211           argValue->argn = 1;
1212           argValue->value = copystring(wxTex2RTFBuffer);
1213
1214           children.Append((wxObject *)chunk);
1215         }
1216         else if (wxStrncmp(buffer+pos, _T("verb"), 4) == 0)
1217         {
1218           pos += 4;
1219           if (buffer[pos] == '*')
1220             pos ++;
1221
1222           // Find the delimiter character
1223           int ch = buffer[pos];
1224           pos ++;
1225           // Now at start of verbatim text
1226           int j = pos;
1227           while ((buffer[pos] != ch) && buffer[pos] != 0)
1228             pos ++;
1229           wxChar *val = new wxChar[pos - j + 1];
1230           int i;
1231           for (i = j; i < pos; i++)
1232           {
1233             val[i-j] = buffer[i];
1234           }
1235           val[i-j] = 0;
1236
1237           pos ++;
1238
1239           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1240           chunk->no_args = 1;
1241           chunk->macroId = ltVERB;
1242           TexMacroDef *verbDef = (TexMacroDef *)MacroDefs.Get(_T("verb"));
1243           chunk->def = verbDef;
1244           TexChunk *arg = new TexChunk(CHUNK_TYPE_ARG, verbDef);
1245           chunk->children.Append((wxObject *)arg);
1246           arg->argn = 1;
1247           arg->macroId = chunk->macroId;
1248
1249           // The value in the first argument.
1250           TexChunk *argValue = new TexChunk(CHUNK_TYPE_STRING);
1251           arg->children.Append((wxObject *)argValue);
1252           argValue->argn = 1;
1253           argValue->value = val;
1254
1255           children.Append((wxObject *)chunk);
1256         }
1257     else
1258     {
1259           wxChar *env = NULL;
1260           bool tmpParseToBrace = true;
1261           TexMacroDef *def = MatchMacro(buffer, &pos, &env, &tmpParseToBrace);
1262           if (def)
1263           {
1264           CustomMacro *customMacro = FindCustomMacro(def->name);
1265
1266           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO, def);
1267
1268           chunk->no_args = def->no_args;
1269 //          chunk->name = copystring(def->name);
1270           chunk->macroId = def->macroId;
1271
1272           if  (!customMacro)
1273             children.Append((wxObject *)chunk);
1274
1275           // Eliminate newline after a \begin{} or a \\ if possible
1276           if (env || wxStrcmp(def->name, _T("\\")) == 0)
1277             if (buffer[pos] == 13)
1278             {
1279               pos ++;
1280               if (buffer[pos] == 10)
1281                 pos ++;
1282             }
1283
1284           pos = ParseMacroBody(def->name, chunk, chunk->no_args,
1285                      buffer, pos, env, tmpParseToBrace, customMacroArgs);
1286
1287           // If custom macro, parse the body substituting the above found args.
1288           if (customMacro)
1289           {
1290             if (customMacro->macroBody)
1291             {
1292               wxChar macroBuf[300];
1293 //              wxStrcpy(macroBuf, _T("{"));
1294               wxStrcpy(macroBuf, customMacro->macroBody);
1295               wxStrcat(macroBuf, _T("}"));
1296               ParseArg(thisArg, children, macroBuf, 0, NULL, true, chunk);
1297             }
1298
1299 //            delete chunk; // Might delete children
1300           }
1301         }
1302         else
1303         {
1304           MacroError(buffer+pos);
1305         }
1306         }
1307         break;
1308       }
1309       // Parse constructs like {\bf thing} as if they were
1310       // \bf{thing}
1311       case '{':
1312       {
1313         pos ++;
1314         if (buffer[pos] == '\\')
1315         {
1316           if (buf_ptr > 0)
1317           {
1318             TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1319             BigBuffer[buf_ptr] = 0;
1320             buf_ptr = 0;
1321             chunk->value = copystring(BigBuffer);
1322             children.Append((wxObject *)chunk);
1323           }
1324           pos ++;
1325
1326           wxChar *env;
1327           bool tmpParseToBrace;
1328           TexMacroDef *def = MatchMacro(buffer, &pos, &env, &tmpParseToBrace);
1329           if (def)
1330           {
1331             CustomMacro *customMacro = FindCustomMacro(def->name);
1332
1333             TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO, def);
1334             chunk->no_args = def->no_args;
1335 //            chunk->name = copystring(def->name);
1336             chunk->macroId = def->macroId;
1337             if (!customMacro)
1338               children.Append((wxObject *)chunk);
1339
1340             pos = ParseMacroBody(def->name, chunk, chunk->no_args,
1341                        buffer, pos, NULL, true, customMacroArgs);
1342
1343             // If custom macro, parse the body substituting the above found args.
1344             if (customMacro)
1345             {
1346               if (customMacro->macroBody)
1347               {
1348                 wxChar macroBuf[300];
1349 //                wxStrcpy(macroBuf, _T("{"));
1350                 wxStrcpy(macroBuf, customMacro->macroBody);
1351                 wxStrcat(macroBuf, _T("}"));
1352                 ParseArg(thisArg, children, macroBuf, 0, NULL, true, chunk);
1353               }
1354
1355 //            delete chunk; // Might delete children
1356         }
1357           }
1358           else
1359           {
1360             MacroError(buffer+pos);
1361           }
1362         }
1363         else
1364     {
1365          /*
1366           * If all else fails, we assume that we have
1367           * a pair of braces on their own, so return a `dummy' macro
1368           * definition with just one argument to parse.
1369           */
1370           if (!SoloBlockDef)
1371           {
1372             SoloBlockDef = new TexMacroDef(ltSOLO_BLOCK, _T("solo block"), 1, false);
1373           }
1374           // Save text so far
1375           if (buf_ptr > 0)
1376           {
1377             TexChunk *chunk1 = new TexChunk(CHUNK_TYPE_STRING);
1378             BigBuffer[buf_ptr] = 0;
1379             buf_ptr = 0;
1380             chunk1->value = copystring(BigBuffer);
1381             children.Append((wxObject *)chunk1);
1382           }
1383           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO, SoloBlockDef);
1384           chunk->no_args = SoloBlockDef->no_args;
1385 //          chunk->name = copystring(SoloBlockDef->name);
1386           chunk->macroId = SoloBlockDef->macroId;
1387           children.Append((wxObject *)chunk);
1388
1389           TexChunk *arg = new TexChunk(CHUNK_TYPE_ARG, SoloBlockDef);
1390
1391           chunk->children.Append((wxObject *)arg);
1392 //          arg->name = copystring(SoloBlockDef->name);
1393           arg->argn = 1;
1394           arg->macroId = chunk->macroId;
1395
1396           pos = ParseArg(arg, arg->children, buffer, pos, NULL, true, customMacroArgs);
1397     }
1398         break;
1399       }
1400       case '$':
1401       {
1402         if (buf_ptr > 0)
1403         {
1404           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1405           BigBuffer[buf_ptr] = 0;
1406           buf_ptr = 0;
1407           chunk->value = copystring(BigBuffer);
1408           children.Append((wxObject *)chunk);
1409         }
1410
1411         pos ++;
1412
1413         if (buffer[pos] == '$')
1414         {
1415           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1416           chunk->no_args = 0;
1417 //          chunk->name = copystring(_T("$$"));
1418           chunk->macroId = ltSPECIALDOUBLEDOLLAR;
1419           children.Append((wxObject *)chunk);
1420           pos ++;
1421         }
1422         else
1423         {
1424           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1425           chunk->no_args = 0;
1426 //          chunk->name = copystring(_T("_$"));
1427           chunk->macroId = ltSPECIALDOLLAR;
1428           children.Append((wxObject *)chunk);
1429         }
1430         break;
1431       }
1432       case '~':
1433       {
1434         if (buf_ptr > 0)
1435         {
1436           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1437           BigBuffer[buf_ptr] = 0;
1438           buf_ptr = 0;
1439           chunk->value = copystring(BigBuffer);
1440           children.Append((wxObject *)chunk);
1441         }
1442
1443         pos ++;
1444         TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1445         chunk->no_args = 0;
1446 //        chunk->name = copystring(_T("_~"));
1447         chunk->macroId = ltSPECIALTILDE;
1448         children.Append((wxObject *)chunk);
1449         break;
1450       }
1451       case '#': // Either treat as a special TeX character or as a macro arg
1452       {
1453         if (buf_ptr > 0)
1454         {
1455           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1456           BigBuffer[buf_ptr] = 0;
1457           buf_ptr = 0;
1458           chunk->value = copystring(BigBuffer);
1459           children.Append((wxObject *)chunk);
1460         }
1461
1462         pos ++;
1463         if (!customMacroArgs)
1464         {
1465           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1466           chunk->no_args = 0;
1467 //          chunk->name = copystring(_T("_#"));
1468           chunk->macroId = ltSPECIALHASH;
1469           children.Append((wxObject *)chunk);
1470         }
1471         else
1472         {
1473           if (isdigit(buffer[pos]))
1474           {
1475             int n = buffer[pos] - 48;
1476             pos ++;
1477             wxNode *node = customMacroArgs->children.Item(n-1);
1478             if (node)
1479             {
1480               TexChunk *argChunk = (TexChunk *)node->GetData();
1481               children.Append((wxObject *)new TexChunk(*argChunk));
1482             }
1483           }
1484         }
1485         break;
1486       }
1487       case '&':
1488       {
1489         // Remove white space before and after the ampersand,
1490         // since this is probably a table column separator with
1491         // some convenient -- but useless -- white space in the text.
1492         while ((buf_ptr > 0) && ((BigBuffer[buf_ptr-1] == ' ') || (BigBuffer[buf_ptr-1] == 9)))
1493           buf_ptr --;
1494
1495         if (buf_ptr > 0)
1496         {
1497           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1498           BigBuffer[buf_ptr] = 0;
1499           buf_ptr = 0;
1500           chunk->value = copystring(BigBuffer);
1501           children.Append((wxObject *)chunk);
1502         }
1503
1504         pos ++;
1505
1506         while (buffer[pos] == ' ' || buffer[pos] == 9)
1507           pos ++;
1508
1509         TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1510         chunk->no_args = 0;
1511 //        chunk->name = copystring(_T("_&"));
1512         chunk->macroId = ltSPECIALAMPERSAND;
1513         children.Append((wxObject *)chunk);
1514         break;
1515       }
1516       // Eliminate end-of-line comment
1517       case '%':
1518       {
1519         ch = buffer[pos];
1520         while (ch != 10 && ch != 13 && ch != 0)
1521         {
1522           pos ++;
1523           ch = buffer[pos];
1524         }
1525         if (buffer[pos] == 10 || buffer[pos] == 13)
1526         {
1527           pos ++;
1528           if (buffer[pos] == 10) pos ++; // Eliminate newline following DOS line feed
1529         }
1530         break;
1531       }
1532       // Eliminate tab
1533       case 9:
1534       {
1535         BigBuffer[buf_ptr] = ' ';
1536         BigBuffer[buf_ptr+1] = 0;
1537         buf_ptr ++;
1538         pos ++;
1539         break;
1540       }
1541       default:
1542       {
1543         BigBuffer[buf_ptr] = ch;
1544         BigBuffer[buf_ptr+1] = 0;
1545         buf_ptr ++;
1546         pos ++;
1547         break;
1548       }
1549     }
1550   }
1551   return pos;
1552 }
1553
1554 /*
1555  * Consume as many arguments as the macro definition specifies
1556  *
1557  */
1558
1559 int ParseMacroBody(const wxChar *WXUNUSED(macro_name), TexChunk *parent,
1560                    int no_args, wxChar *buffer, int pos,
1561                    wxChar *environment, bool parseToBrace,
1562                    TexChunk *customMacroArgs)
1563 {
1564   Tex2RTFYield();
1565   if (stopRunning) return pos;
1566
1567   // Check for a first optional argument
1568   if (buffer[pos] == ' ' && buffer[pos+1] == '[')
1569   {
1570     // Fool following code into thinking that this is definitely
1571     // an optional first argument. (If a space before a non-first argument,
1572     // [ is interpreted as a [, not an optional argument.)
1573     buffer[pos] = '!';
1574     pos ++;
1575     no_args ++;
1576   }
1577   else
1578     if (buffer[pos] == '[')
1579       no_args ++;
1580
1581   int maxArgs = 0;
1582
1583   int i;
1584   for (i = 0; i < no_args; i++)
1585   {
1586     maxArgs ++;
1587     TexChunk *arg = new TexChunk(CHUNK_TYPE_ARG, parent->def);
1588
1589     parent->children.Append((wxObject *)arg);
1590 //    arg->name = copystring(macro_name);
1591     arg->argn = maxArgs;
1592     arg->macroId = parent->macroId;
1593
1594     // To parse the first arg of a 2 arg \begin{thing}{arg} ... \end{thing}
1595     // have to fool parser into thinking this is a regular kind of block.
1596     wxChar *actualEnv;
1597     if ((no_args == 2) && (i == 0))
1598       actualEnv = NULL;
1599     else
1600       actualEnv = environment;
1601
1602     bool isOptional = false;
1603
1604     // Remove the first { of the argument so it doesn't get recognized as { ... }
1605 //    EatWhiteSpace(buffer, &pos);
1606     if (!actualEnv)
1607     {
1608       // The reason for these tests is to not consume braces that don't
1609       // belong to this macro.
1610       // E.g. {\bf {\small thing}}
1611       if ((pos > 0) && (buffer[pos-1] != ' ') && buffer[pos] == '{')
1612         pos ++;
1613       else
1614       if ((pos > 0) && (buffer[pos-1] != ' ') && (buffer[pos] == '['))
1615       {
1616         isOptional = true;
1617         pos ++;
1618       }
1619       else if ((pos > 1) && (buffer[pos-1] != ' ') && (buffer[pos+1] == '['))
1620       {
1621         isOptional = true;
1622         pos += 2;
1623       }
1624       else if (i > 0)
1625       {
1626         wxString errBuf;
1627         wxString tmpBuffer(buffer);
1628         if (tmpBuffer.length() > 4)
1629         {
1630             if (tmpBuffer.Right(4) == _T("\\par"))
1631                 tmpBuffer = tmpBuffer.Mid(0,tmpBuffer.length()-4);
1632         }
1633         errBuf.Printf(_T("Missing macro argument in the line:\n\t%s\n"),tmpBuffer.c_str());
1634         OnError((wxChar *)errBuf.c_str());
1635       }
1636
1637     }
1638     arg->optional = isOptional;
1639
1640     pos = ParseArg(arg, arg->children, buffer, pos, actualEnv, parseToBrace, customMacroArgs);
1641
1642     // If we've encountered an OPTIONAL argument, go another time around
1643     // the loop, because we've got more than we thought.
1644     // Hopefully optional args don't occur at the end of a macro use
1645     // or we might miss it.
1646     // Don't increment no of times round loop if the first optional arg
1647     // -- we already did it before the loop.
1648     if (arg->optional && (i > 0))
1649       i --;
1650   }
1651   parent->no_args = maxArgs;
1652
1653   // Tell each argument how many args there are (useful when processing an arg)
1654   wxNode *node = parent->children.GetFirst();
1655   while (node)
1656   {
1657     TexChunk *chunk = (TexChunk *)node->GetData();
1658     chunk->no_args = maxArgs;
1659     node = node->GetNext();
1660   }
1661   return pos;
1662 }
1663
1664 bool TexLoadFile(wxChar *filename)
1665 {
1666   static wxChar *line_buffer;
1667   stopRunning = false;
1668   wxStrcpy(TexFileRoot, filename);
1669   StripExtension(TexFileRoot);
1670   wxSnprintf(TexBibName, 300, _T("%s.bb"), TexFileRoot);
1671   wxSnprintf(TexTmpBibName, 300, _T("%s.bb1"), TexFileRoot);
1672
1673   TexPathList.EnsureFileAccessible(filename);
1674
1675   if (line_buffer)
1676       delete line_buffer;
1677
1678   line_buffer = new wxChar[MAX_LINE_BUFFER_SIZE];
1679
1680   Inputs[0] = wxFopen(filename, _T("r"));
1681   LineNumbers[0] = 1;
1682   FileNames[0] = copystring(filename);
1683   if (Inputs[0])
1684   {
1685     read_a_line(line_buffer);
1686     ParseMacroBody(_T("toplevel"), TopLevel, 1, line_buffer, 0, NULL, true);
1687     if (Inputs[0]) fclose(Inputs[0]);
1688     return true;
1689   }
1690
1691   return false;
1692 }
1693
1694 TexMacroDef::TexMacroDef(int the_id, const wxChar *the_name, int n, bool ig, bool forbidLevel)
1695 {
1696   name = copystring(the_name);
1697   no_args = n;
1698   ignore = ig;
1699   macroId = the_id;
1700   forbidden = forbidLevel;
1701 }
1702
1703 TexMacroDef::~TexMacroDef(void)
1704 {
1705   if (name) delete[] name;
1706 }
1707
1708 TexChunk::TexChunk(int the_type, TexMacroDef *the_def)
1709 {
1710   type = the_type;
1711   no_args = 0;
1712   argn = 0;
1713 //  name = NULL;
1714   def = the_def;
1715   macroId = 0;
1716   value = NULL;
1717   optional = false;
1718 }
1719
1720 TexChunk::TexChunk(TexChunk& toCopy)
1721 {
1722   type = toCopy.type;
1723   no_args = toCopy.no_args;
1724   argn = toCopy.argn;
1725   macroId = toCopy.macroId;
1726
1727 //  if (toCopy.name)
1728 //    name = copystring(toCopy.name);
1729 //  else
1730 //    name = NULL;
1731   def = toCopy.def;
1732
1733   if (toCopy.value)
1734     value = copystring(toCopy.value);
1735   else
1736     value = NULL;
1737
1738   optional = toCopy.optional;
1739   wxNode *node = toCopy.children.GetFirst();
1740   while (node)
1741   {
1742     TexChunk *child = (TexChunk *)node->GetData();
1743     children.Append((wxObject *)new TexChunk(*child));
1744     node = node->GetNext();
1745   }
1746 }
1747
1748 TexChunk::~TexChunk(void)
1749 {
1750 //  if (name) delete[] name;
1751   if (value) delete[] value;
1752   wxNode *node = children.GetFirst();
1753   while (node)
1754   {
1755     TexChunk *child = (TexChunk *)node->GetData();
1756     delete child;
1757     wxNode *next = node->GetNext();
1758     delete node;
1759     node = next;
1760   }
1761 }
1762
1763 bool IsArgOptional(void)  // Is this argument an optional argument?
1764 {
1765   return isArgOptional;
1766 }
1767
1768 int GetNoArgs(void) // Number of args for this macro
1769 {
1770   return noArgs;
1771 }
1772
1773 /* Gets the text of a chunk on request (must be for small arguments
1774  * only!)
1775  *
1776  */
1777
1778 void GetArgData1(TexChunk *chunk)
1779 {
1780   switch (chunk->type)
1781   {
1782     case CHUNK_TYPE_MACRO:
1783     {
1784       TexMacroDef *def = chunk->def;
1785       if (def && def->ignore)
1786         return;
1787
1788       if (def && (wxStrcmp(def->name, _T("solo block")) != 0))
1789       {
1790         wxStrcat(currentArgData, _T("\\"));
1791         wxStrcat(currentArgData, def->name);
1792       }
1793
1794       wxNode *node = chunk->children.GetFirst();
1795       while (node)
1796       {
1797         TexChunk *child_chunk = (TexChunk *)node->GetData();
1798         wxStrcat(currentArgData, _T("{"));
1799         GetArgData1(child_chunk);
1800         wxStrcat(currentArgData, _T("}"));
1801         node = node->GetNext();
1802       }
1803       break;
1804     }
1805     case CHUNK_TYPE_ARG:
1806     {
1807       wxNode *node = chunk->children.GetFirst();
1808       while (node)
1809       {
1810         TexChunk *child_chunk = (TexChunk *)node->GetData();
1811         GetArgData1(child_chunk);
1812         node = node->GetNext();
1813       }
1814       break;
1815     }
1816     case CHUNK_TYPE_STRING:
1817     {
1818       if (chunk->value)
1819         wxStrcat(currentArgData, chunk->value);
1820       break;
1821     }
1822   }
1823 }
1824
1825 wxChar *GetArgData(TexChunk *WXUNUSED(chunk))
1826 {
1827   currentArgData[0] = 0;
1828   GetArgData1(currentArgument);
1829   haveArgData = false;
1830   return currentArgData;
1831 }
1832
1833 wxChar *GetArgData(void)
1834 {
1835   if (!haveArgData)
1836   {
1837     currentArgData[0] = 0;
1838     GetArgData1(currentArgument);
1839   }
1840   return currentArgData;
1841 }
1842
1843 TexChunk *GetArgChunk(void)
1844 {
1845   return currentArgument;
1846 }
1847
1848 TexChunk *GetNextChunk(void)     // Look ahead to the next chunk
1849 {
1850   return nextChunk;
1851 }
1852
1853 TexChunk *GetTopLevelChunk(void)
1854 {
1855   return TopLevel;
1856 }
1857
1858 int GetCurrentColumn(void)
1859 {
1860   return currentColumn;
1861 }
1862
1863 /*
1864  * Traverses document calling functions to allow the client to
1865  * write out the appropriate stuff
1866  */
1867
1868
1869 void TraverseFromChunk(TexChunk *chunk, wxNode *thisNode, bool childrenOnly)
1870 {
1871   Tex2RTFYield();
1872   if (stopRunning) return;
1873
1874   switch (chunk->type)
1875   {
1876     case CHUNK_TYPE_MACRO:
1877     {
1878       TexMacroDef *def = chunk->def;
1879       if (def && def->ignore)
1880         return;
1881
1882       if (!childrenOnly)
1883         OnMacro(chunk->macroId, chunk->no_args, true);
1884
1885       wxNode *node = chunk->children.GetFirst();
1886       while (node)
1887       {
1888         TexChunk *child_chunk = (TexChunk *)node->GetData();
1889         TraverseFromChunk(child_chunk, node);
1890         node = node->GetNext();
1891       }
1892
1893       if (thisNode && thisNode->GetNext())
1894           nextChunk = (TexChunk *)thisNode->GetNext()->GetData();
1895
1896       if (!childrenOnly)
1897         OnMacro(chunk->macroId, chunk->no_args, false);
1898       break;
1899     }
1900     case CHUNK_TYPE_ARG:
1901     {
1902       currentArgument = chunk;
1903
1904       isArgOptional = chunk->optional;
1905       noArgs = chunk->no_args;
1906
1907       // If OnArgument returns false, don't output.
1908
1909       if (childrenOnly || OnArgument(chunk->macroId, chunk->argn, true))
1910       {
1911         wxNode *node = chunk->children.GetFirst();
1912         while (node)
1913         {
1914           TexChunk *child_chunk = (TexChunk *)node->GetData();
1915           TraverseFromChunk(child_chunk, node);
1916           node = node->GetNext();
1917         }
1918       }
1919
1920       currentArgument = chunk;
1921
1922       if (thisNode && thisNode->GetNext())
1923           nextChunk = (TexChunk *)thisNode->GetNext()->GetData();
1924
1925       isArgOptional = chunk->optional;
1926       noArgs = chunk->no_args;
1927
1928       if (!childrenOnly)
1929         (void)OnArgument(chunk->macroId, chunk->argn, false);
1930       break;
1931     }
1932     case CHUNK_TYPE_STRING:
1933     {
1934       extern int issuedNewParagraph;
1935       extern int forbidResetPar;
1936       if (chunk->value && (forbidResetPar == 0))
1937       {
1938         // If non-whitespace text, we no longer have a new paragraph.
1939         if (issuedNewParagraph && !((chunk->value[0] == 10 || chunk->value[0] == 13 || chunk->value[0] == 32)
1940                                     && chunk->value[1] == 0))
1941         {
1942           issuedNewParagraph = false;
1943         }
1944         TexOutput(chunk->value, true);
1945       }
1946       break;
1947     }
1948   }
1949 }
1950
1951 void TraverseDocument(void)
1952 {
1953   TraverseFromChunk(TopLevel, NULL);
1954 }
1955
1956 void SetCurrentOutput(FILE *fd)
1957 {
1958   CurrentOutput1 = fd;
1959   CurrentOutput2 = NULL;
1960 }
1961
1962 void SetCurrentOutputs(FILE *fd1, FILE *fd2)
1963 {
1964   CurrentOutput1 = fd1;
1965   CurrentOutput2 = fd2;
1966 }
1967
1968 void AddMacroDef(int the_id, const wxChar *name, int n, bool ignore, bool forbid)
1969 {
1970   MacroDefs.Put(name, new TexMacroDef(the_id, name, n, ignore, forbid));
1971 }
1972
1973 void TexInitialize(int bufSize)
1974 {
1975   InitialiseColourTable();
1976 #ifdef __WXMSW__
1977   TexPathList.AddEnvList(_T("TEXINPUT"));
1978 #endif
1979 #ifdef __UNIX__
1980   TexPathList.AddEnvList(_T("TEXINPUTS"));
1981 #endif
1982   int i;
1983   for (i = 0; i < 15; i++)
1984   {
1985     Inputs[i] = NULL;
1986     LineNumbers[i] = 1;
1987     FileNames[i] = NULL;
1988   }
1989
1990   IgnorableInputFiles.Add(_T("psbox.tex"));
1991   BigBuffer = new wxChar[(bufSize*1000)];
1992   currentArgData = new wxChar[2000];
1993   TexFileRoot = new wxChar[300];
1994   TexBibName = new wxChar[300];
1995   TexTmpBibName = new wxChar[300];
1996   AddMacroDef(ltTOPLEVEL, _T("toplevel"), 1);
1997   TopLevel = new TexChunk(CHUNK_TYPE_MACRO);
1998 //  TopLevel->name = copystring(_T("toplevel"));
1999   TopLevel->macroId = ltTOPLEVEL;
2000   TopLevel->no_args = 1;
2001   VerbatimMacroDef = (TexMacroDef *)MacroDefs.Get(_T("verbatim"));
2002 }
2003
2004 void TexCleanUp(void)
2005 {
2006   int i;
2007   for (i = 0; i < 15; i++)
2008     Inputs[i] = NULL;
2009
2010   chapterNo = 0;
2011   sectionNo = 0;
2012   subsectionNo = 0;
2013   subsubsectionNo = 0;
2014   figureNo = 0;
2015
2016   CurrentOutput1 = NULL;
2017   CurrentOutput2 = NULL;
2018   CurrentInputIndex = 0;
2019   haveArgData = false;
2020   noArgs = 0;
2021
2022   if (TopLevel)
2023     delete TopLevel;
2024   TopLevel = new TexChunk(CHUNK_TYPE_MACRO);
2025 //  TopLevel->name = copystring(_T("toplevel"));
2026   TopLevel->macroId = ltTOPLEVEL;
2027   TopLevel->no_args = 1;
2028
2029   DocumentTitle = NULL;
2030   DocumentAuthor = NULL;
2031   DocumentDate = NULL;
2032   DocumentStyle = LATEX_REPORT;
2033   MinorDocumentStyle = 0;
2034   BibliographyStyleString = copystring(_T("plain"));
2035   DocumentStyleString = copystring(_T("report"));
2036   MinorDocumentStyleString = NULL;
2037
2038   // gt - Changed this so if this is the final pass
2039   // then we DO want to remove these macros, so that
2040   // memory is not MASSIVELY leaked if the user
2041   // does not exit the program, but instead runs
2042   // the program again
2043   if ((passNumber == 1 && !runTwice) ||
2044       (passNumber == 2 && runTwice))
2045   {
2046 /* Don't want to remove custom macros after each pass.*/
2047       SetFontSizes(10);
2048       wxNode *node = CustomMacroList.GetFirst();
2049       while (node)
2050       {
2051         CustomMacro *macro = (CustomMacro *)node->GetData();
2052         delete macro;
2053         delete node;
2054         node = CustomMacroList.GetFirst();
2055       }
2056   }
2057 /**/
2058   TexReferences.BeginFind();
2059   wxHashTable::Node *refNode = TexReferences.Next();
2060   while (refNode)
2061   {
2062     TexRef *ref = (TexRef *)refNode->GetData();
2063     delete ref;
2064     refNode = TexReferences.Next();
2065   }
2066   TexReferences.Clear();
2067
2068   wxNode* bibNode = BibList.GetFirst();
2069   while (bibNode)
2070   {
2071     BibEntry *entry = (BibEntry *)bibNode->GetData();
2072     delete entry;
2073     delete bibNode;
2074     bibNode = BibList.GetFirst();
2075   }
2076   CitationList.Clear();
2077   ResetTopicCounter();
2078 }
2079
2080 // There is likely to be one set of macros used by all utilities.
2081 void DefineDefaultMacros(void)
2082 {
2083   // Put names which subsume other names at the TOP
2084   // so they get recognized first
2085
2086   AddMacroDef(ltACCENT_GRAVE,        _T("`"), 1);
2087   AddMacroDef(ltACCENT_ACUTE,        _T("'"), 1);
2088   AddMacroDef(ltACCENT_CARET,        _T("^"), 1);
2089   AddMacroDef(ltACCENT_UMLAUT,       _T("\""), 1);
2090   AddMacroDef(ltACCENT_TILDE,        _T("~"), 1);
2091   AddMacroDef(ltACCENT_DOT,          _T("."), 1);
2092   AddMacroDef(ltACCENT_CADILLA,      _T("c"), 1);
2093   AddMacroDef(ltSMALLSPACE1,         _T(","), 0);
2094   AddMacroDef(ltSMALLSPACE2,         _T(";"), 0);
2095
2096   AddMacroDef(ltABSTRACT,            _T("abstract"), 1);
2097   AddMacroDef(ltADDCONTENTSLINE,     _T("addcontentsline"), 3);
2098   AddMacroDef(ltADDTOCOUNTER,        _T("addtocounter"), 2);
2099   AddMacroDef(ltALEPH,               _T("aleph"), 0);
2100   AddMacroDef(ltALPHA,               _T("alpha"), 0);
2101   AddMacroDef(ltALPH1,               _T("alph"), 1);
2102   AddMacroDef(ltALPH2,               _T("Alph"), 1);
2103   AddMacroDef(ltANGLE,               _T("angle"), 0);
2104   AddMacroDef(ltAPPENDIX,            _T("appendix"), 0);
2105   AddMacroDef(ltAPPROX,              _T("approx"), 0);
2106   AddMacroDef(ltARABIC,              _T("arabic"), 1);
2107   AddMacroDef(ltARRAY,               _T("array"), 1);
2108   AddMacroDef(ltAST,                 _T("ast"), 0);
2109   AddMacroDef(ltASYMP,               _T("asymp"), 0);
2110   AddMacroDef(ltAUTHOR,              _T("author"), 1);
2111
2112   AddMacroDef(ltBACKGROUNDCOLOUR,    _T("backgroundcolour"), 1);
2113   AddMacroDef(ltBACKGROUNDIMAGE,     _T("backgroundimage"), 1);
2114   AddMacroDef(ltBACKGROUND,          _T("background"), 1);
2115   AddMacroDef(ltBACKSLASHRAW,        _T("backslashraw"), 0);
2116   AddMacroDef(ltBACKSLASH,           _T("backslash"), 0);
2117   AddMacroDef(ltBASELINESKIP,        _T("baselineskip"), 1);
2118   AddMacroDef(ltBCOL,                _T("bcol"), 2);
2119   AddMacroDef(ltBETA,                _T("beta"), 0);
2120   AddMacroDef(ltBFSERIES,            _T("bfseries"), 1);
2121   AddMacroDef(ltBF,                  _T("bf"), 1);
2122   AddMacroDef(ltBIBITEM,             _T("bibitem"), 2);
2123              // For convenience, bibitem has 2 args: label and item.
2124                               // The Latex syntax permits writing as 2 args.
2125   AddMacroDef(ltBIBLIOGRAPHYSTYLE,   _T("bibliographystyle"), 1);
2126   AddMacroDef(ltBIBLIOGRAPHY,        _T("bibliography"), 1);
2127   AddMacroDef(ltBIGTRIANGLEDOWN,     _T("bigtriangledown"), 0);
2128   AddMacroDef(ltBOT,                 _T("bot"), 0);
2129   AddMacroDef(ltBOXIT,               _T("boxit"), 1);
2130   AddMacroDef(ltBOX,                 _T("box"), 0);
2131   AddMacroDef(ltBRCLEAR,             _T("brclear"), 0);
2132   AddMacroDef(ltBULLET,              _T("bullet"), 0);
2133
2134   AddMacroDef(ltCAPTIONSTAR,         _T("caption*"), 1);
2135   AddMacroDef(ltCAPTION,             _T("caption"), 1);
2136   AddMacroDef(ltCAP,                 _T("cap"), 0);
2137   AddMacroDef(ltCDOTS,               _T("cdots"), 0);
2138   AddMacroDef(ltCDOT,                _T("cdot"), 0);
2139   AddMacroDef(ltCENTERLINE,          _T("centerline"), 1);
2140   AddMacroDef(ltCENTERING,           _T("centering"), 0);
2141   AddMacroDef(ltCENTER,              _T("center"), 1);
2142   AddMacroDef(ltCEXTRACT,            _T("cextract"), 0);
2143   AddMacroDef(ltCHAPTERHEADING,      _T("chapterheading"), 1);
2144   AddMacroDef(ltCHAPTERSTAR,         _T("chapter*"), 1);
2145   AddMacroDef(ltCHAPTER,             _T("chapter"), 1);
2146   AddMacroDef(ltCHI,                 _T("chi"), 0);
2147   AddMacroDef(ltCINSERT,             _T("cinsert"), 0);
2148   AddMacroDef(ltCIRC,                _T("circ"), 0);
2149   AddMacroDef(ltCITE,                _T("cite"), 1);
2150   AddMacroDef(ltCLASS,               _T("class"), 1);
2151   AddMacroDef(ltCLEARDOUBLEPAGE,     _T("cleardoublepage"), 0);
2152   AddMacroDef(ltCLEARPAGE,           _T("clearpage"), 0);
2153   AddMacroDef(ltCLINE,               _T("cline"), 1);
2154   AddMacroDef(ltCLIPSFUNC,           _T("clipsfunc"), 3);
2155   AddMacroDef(ltCLUBSUIT,            _T("clubsuit"), 0);
2156   AddMacroDef(ltCOLUMNSEP,           _T("columnsep"), 1);
2157   AddMacroDef(ltCOMMENT,             _T("comment"), 1, true);
2158   AddMacroDef(ltCONG,                _T("cong"), 0);
2159   AddMacroDef(ltCOPYRIGHT,           _T("copyright"), 0);
2160   AddMacroDef(ltCPARAM,              _T("cparam"), 2);
2161   AddMacroDef(ltCHEAD,               _T("chead"), 1);
2162   AddMacroDef(ltCFOOT,               _T("cfoot"), 1);
2163   AddMacroDef(ltCUP,                 _T("cup"), 0);
2164
2165   AddMacroDef(ltDASHV,               _T("dashv"), 0);
2166   AddMacroDef(ltDATE,                _T("date"), 1);
2167   AddMacroDef(ltDELTA,               _T("delta"), 0);
2168   AddMacroDef(ltCAP_DELTA,           _T("Delta"), 0);
2169   AddMacroDef(ltDEFINECOLOUR,        _T("definecolour"), 4);
2170   AddMacroDef(ltDEFINECOLOR,         _T("definecolor"), 4);
2171   AddMacroDef(ltDESCRIPTION,         _T("description"), 1);
2172   AddMacroDef(ltDESTRUCT,            _T("destruct"), 1);
2173   AddMacroDef(ltDIAMOND2,            _T("diamond2"), 0);
2174   AddMacroDef(ltDIAMOND,             _T("diamond"), 0);
2175   AddMacroDef(ltDIV,                 _T("div"), 0);
2176   AddMacroDef(ltDOCUMENTCLASS,       _T("documentclass"), 1);
2177   AddMacroDef(ltDOCUMENTSTYLE,       _T("documentstyle"), 1);
2178   AddMacroDef(ltDOCUMENT,            _T("document"), 1);
2179   AddMacroDef(ltDOUBLESPACE,         _T("doublespace"), 1);
2180   AddMacroDef(ltDOTEQ,               _T("doteq"), 0);
2181   AddMacroDef(ltDOWNARROW,           _T("downarrow"), 0);
2182   AddMacroDef(ltDOWNARROW2,          _T("Downarrow"), 0);
2183
2184   AddMacroDef(ltEMPTYSET,            _T("emptyset"), 0);
2185   AddMacroDef(ltEMPH,                _T("emph"), 1);
2186   AddMacroDef(ltEM,                  _T("em"), 1);
2187   AddMacroDef(ltENUMERATE,           _T("enumerate"), 1);
2188   AddMacroDef(ltEPSILON,             _T("epsilon"), 0);
2189   AddMacroDef(ltEQUATION,            _T("equation"), 1);
2190   AddMacroDef(ltEQUIV,               _T("equiv"), 0);
2191   AddMacroDef(ltETA,                 _T("eta"), 0);
2192   AddMacroDef(ltEVENSIDEMARGIN,      _T("evensidemargin"), 1);
2193   AddMacroDef(ltEXISTS,              _T("exists"), 0);
2194
2195   AddMacroDef(ltFBOX,                _T("fbox"), 1);
2196   AddMacroDef(ltFCOL,                _T("fcol"), 2);
2197   AddMacroDef(ltFIGURE,              _T("figure"), 1);
2198   AddMacroDef(ltFIGURESTAR,          _T("figure*"), 1);
2199   AddMacroDef(ltFLUSHLEFT,           _T("flushleft"), 1);
2200   AddMacroDef(ltFLUSHRIGHT,          _T("flushright"), 1);
2201   AddMacroDef(ltFOLLOWEDLINKCOLOUR,  _T("followedlinkcolour"), 1);
2202   AddMacroDef(ltFOOTHEIGHT,          _T("footheight"), 1);
2203   AddMacroDef(ltFOOTNOTEPOPUP,       _T("footnotepopup"), 2);
2204   AddMacroDef(ltFOOTNOTE,            _T("footnote"), 1);
2205   AddMacroDef(ltFOOTSKIP,            _T("footskip"), 1);
2206   AddMacroDef(ltFORALL,              _T("forall"), 0);
2207   AddMacroDef(ltFRAMEBOX,            _T("framebox"), 1);
2208   AddMacroDef(ltFROWN,               _T("frown"), 0);
2209   AddMacroDef(ltFUNCTIONSECTION,     _T("functionsection"), 1);
2210   AddMacroDef(ltFUNC,                _T("func"), 3);
2211   AddMacroDef(ltFOOTNOTESIZE,        _T("footnotesize"), 0);
2212   AddMacroDef(ltFANCYPLAIN,          _T("fancyplain"), 2);
2213
2214   AddMacroDef(ltGAMMA,               _T("gamma"), 0);
2215   AddMacroDef(ltCAP_GAMMA,           _T("Gamma"), 0);
2216   AddMacroDef(ltGEQ,                 _T("geq"), 0);
2217   AddMacroDef(ltGE,                  _T("ge"), 0);
2218   AddMacroDef(ltGG,                  _T("gg"), 0);
2219   AddMacroDef(ltGLOSSARY,            _T("glossary"), 1);
2220   AddMacroDef(ltGLOSS,               _T("gloss"), 1);
2221
2222   AddMacroDef(ltHEADHEIGHT,          _T("headheight"), 1);
2223   AddMacroDef(ltHEARTSUIT,           _T("heartsuit"), 0);
2224   AddMacroDef(ltHELPGLOSSARY,        _T("helpglossary"), 1);
2225   AddMacroDef(ltHELPIGNORE,          _T("helpignore"), 1, true);
2226   AddMacroDef(ltHELPONLY,            _T("helponly"), 1);
2227   AddMacroDef(ltHELPINPUT,           _T("helpinput"), 1);
2228   AddMacroDef(ltHELPFONTFAMILY,      _T("helpfontfamily"), 1);
2229   AddMacroDef(ltHELPFONTSIZE,        _T("helpfontsize"), 1);
2230   AddMacroDef(ltHELPREFN,            _T("helprefn"), 2);
2231   AddMacroDef(ltHELPREF,             _T("helpref"), 2);
2232   AddMacroDef(ltHFILL,               _T("hfill"), 0);
2233   AddMacroDef(ltHLINE,               _T("hline"), 0);
2234   AddMacroDef(ltHRULE,               _T("hrule"), 0);
2235   AddMacroDef(ltHSPACESTAR,          _T("hspace*"), 1);
2236   AddMacroDef(ltHSPACE,              _T("hspace"), 1);
2237   AddMacroDef(ltHSKIPSTAR,           _T("hskip*"), 1);
2238   AddMacroDef(ltHSKIP,               _T("hskip"), 1);
2239   AddMacroDef(lthuge,                _T("huge"), 1);
2240   AddMacroDef(ltHuge,                _T("Huge"), 1);
2241   AddMacroDef(ltHUGE,                _T("HUGE"), 1);
2242   AddMacroDef(ltHTMLIGNORE,          _T("htmlignore"), 1);
2243   AddMacroDef(ltHTMLONLY,            _T("htmlonly"), 1);
2244
2245   AddMacroDef(ltIM,                  _T("im"), 0);
2246   AddMacroDef(ltINCLUDEONLY,         _T("includeonly"), 1);
2247   AddMacroDef(ltINCLUDE,             _T("include"), 1);
2248   AddMacroDef(ltINDENTED,            _T("indented"), 2);
2249   AddMacroDef(ltINDEX,               _T("index"), 1);
2250   AddMacroDef(ltINPUT,               _T("input"), 1, true);
2251   AddMacroDef(ltIOTA,                _T("iota"), 0);
2252   AddMacroDef(ltITEMIZE,             _T("itemize"), 1);
2253   AddMacroDef(ltITEM,                _T("item"), 0);
2254   AddMacroDef(ltIMAGEMAP,            _T("imagemap"), 3);
2255   AddMacroDef(ltIMAGEL,              _T("imagel"), 2);
2256   AddMacroDef(ltIMAGER,              _T("imager"), 2);
2257   AddMacroDef(ltIMAGE,               _T("image"), 2);
2258   AddMacroDef(ltIN,                  _T("in"), 0);
2259   AddMacroDef(ltINFTY,               _T("infty"), 0);
2260   AddMacroDef(ltITSHAPE,             _T("itshape"), 1);
2261   AddMacroDef(ltIT,                  _T("it"), 1);
2262   AddMacroDef(ltITEMSEP,             _T("itemsep"), 1);
2263   AddMacroDef(ltINSERTATLEVEL,       _T("insertatlevel"), 2);
2264
2265   AddMacroDef(ltKAPPA,               _T("kappa"), 0);
2266   AddMacroDef(ltKILL,                _T("kill"), 0);
2267
2268   AddMacroDef(ltLABEL,               _T("label"), 1);
2269   AddMacroDef(ltLAMBDA,              _T("lambda"), 0);
2270   AddMacroDef(ltCAP_LAMBDA,          _T("Lambda"), 0);
2271   AddMacroDef(ltlarge,               _T("large"), 1);
2272   AddMacroDef(ltLarge,               _T("Large"), 1);
2273   AddMacroDef(ltLARGE,               _T("LARGE"), 1);
2274   AddMacroDef(ltLATEXIGNORE,         _T("latexignore"), 1);
2275   AddMacroDef(ltLATEXONLY,           _T("latexonly"), 1);
2276   AddMacroDef(ltLATEX,               _T("LaTeX"), 0);
2277   AddMacroDef(ltLBOX,                _T("lbox"), 1);
2278   AddMacroDef(ltLBRACERAW,           _T("lbraceraw"), 0);
2279   AddMacroDef(ltLDOTS,               _T("ldots"), 0);
2280   AddMacroDef(ltLEQ,                 _T("leq"), 0);
2281   AddMacroDef(ltLE,                  _T("le"), 0);
2282   AddMacroDef(ltLEFTARROW,           _T("leftarrow"), 0);
2283   AddMacroDef(ltLEFTRIGHTARROW,      _T("leftrightarrow"), 0);
2284   AddMacroDef(ltLEFTARROW2,          _T("Leftarrow"), 0);
2285   AddMacroDef(ltLEFTRIGHTARROW2,     _T("Leftrightarrow"), 0);
2286   AddMacroDef(ltLINEBREAK,           _T("linebreak"), 0);
2287   AddMacroDef(ltLINKCOLOUR,          _T("linkcolour"), 1);
2288   AddMacroDef(ltLISTOFFIGURES,       _T("listoffigures"), 0);
2289   AddMacroDef(ltLISTOFTABLES,        _T("listoftables"), 0);
2290   AddMacroDef(ltLHEAD,               _T("lhead"), 1);
2291   AddMacroDef(ltLFOOT,               _T("lfoot"), 1);
2292   AddMacroDef(ltLOWERCASE,           _T("lowercase"), 1);
2293   AddMacroDef(ltLL,                  _T("ll"), 0);
2294
2295   AddMacroDef(ltMAKEGLOSSARY,        _T("makeglossary"), 0);
2296   AddMacroDef(ltMAKEINDEX,           _T("makeindex"), 0);
2297   AddMacroDef(ltMAKETITLE,           _T("maketitle"), 0);
2298   AddMacroDef(ltMARKRIGHT,           _T("markright"), 1);
2299   AddMacroDef(ltMARKBOTH,            _T("markboth"), 2);
2300   AddMacroDef(ltMARGINPARWIDTH,      _T("marginparwidth"), 1);
2301   AddMacroDef(ltMARGINPARSEP,        _T("marginparsep"), 1);
2302   AddMacroDef(ltMARGINPARODD,        _T("marginparodd"), 1);
2303   AddMacroDef(ltMARGINPAREVEN,       _T("marginpareven"), 1);
2304   AddMacroDef(ltMARGINPAR,           _T("marginpar"), 1);
2305   AddMacroDef(ltMBOX,                _T("mbox"), 1);
2306   AddMacroDef(ltMDSERIES,            _T("mdseries"), 1);
2307   AddMacroDef(ltMEMBERSECTION,       _T("membersection"), 1);
2308   AddMacroDef(ltMEMBER,              _T("member"), 2);
2309   AddMacroDef(ltMID,                 _T("mid"), 0);
2310   AddMacroDef(ltMODELS,              _T("models"), 0);
2311   AddMacroDef(ltMP,                  _T("mp"), 0);
2312   AddMacroDef(ltMULTICOLUMN,         _T("multicolumn"), 3);
2313   AddMacroDef(ltMU,                  _T("mu"), 0);
2314
2315   AddMacroDef(ltNABLA,               _T("nabla"), 0);
2316   AddMacroDef(ltNEG,                 _T("neg"), 0);
2317   AddMacroDef(ltNEQ,                 _T("neq"), 0);
2318   AddMacroDef(ltNEWCOUNTER,          _T("newcounter"), 1, false, (bool)FORBID_ABSOLUTELY);
2319   AddMacroDef(ltNEWLINE,             _T("newline"), 0);
2320   AddMacroDef(ltNEWPAGE,             _T("newpage"), 0);
2321   AddMacroDef(ltNI,                  _T("ni"), 0);
2322   AddMacroDef(ltNOCITE,              _T("nocite"), 1);
2323   AddMacroDef(ltNOINDENT,            _T("noindent"), 0);
2324   AddMacroDef(ltNOLINEBREAK,         _T("nolinebreak"), 0);
2325   AddMacroDef(ltNOPAGEBREAK,         _T("nopagebreak"), 0);
2326   AddMacroDef(ltNORMALSIZE,          _T("normalsize"), 1);
2327   AddMacroDef(ltNORMALBOX,           _T("normalbox"), 1);
2328   AddMacroDef(ltNORMALBOXD,          _T("normalboxd"), 1);
2329   AddMacroDef(ltNOTEQ,               _T("noteq"), 0);
2330   AddMacroDef(ltNOTIN,               _T("notin"), 0);
2331   AddMacroDef(ltNOTSUBSET,           _T("notsubset"), 0);
2332   AddMacroDef(ltNU,                  _T("nu"), 0);
2333
2334   AddMacroDef(ltODDSIDEMARGIN,       _T("oddsidemargin"), 1);
2335   AddMacroDef(ltOMEGA,               _T("omega"), 0);
2336   AddMacroDef(ltCAP_OMEGA,           _T("Omega"), 0);
2337   AddMacroDef(ltONECOLUMN,           _T("onecolumn"), 0);
2338   AddMacroDef(ltOPLUS,               _T("oplus"), 0);
2339   AddMacroDef(ltOSLASH,              _T("oslash"), 0);
2340   AddMacroDef(ltOTIMES,              _T("otimes"), 0);
2341
2342   AddMacroDef(ltPAGEBREAK,           _T("pagebreak"), 0);
2343   AddMacroDef(ltPAGEREF,             _T("pageref"), 1);
2344   AddMacroDef(ltPAGESTYLE,           _T("pagestyle"), 1);
2345   AddMacroDef(ltPAGENUMBERING,       _T("pagenumbering"), 1);
2346   AddMacroDef(ltPARAGRAPHSTAR,       _T("paragraph*"), 1);
2347   AddMacroDef(ltPARAGRAPH,           _T("paragraph"), 1);
2348   AddMacroDef(ltPARALLEL,            _T("parallel"), 0);
2349   AddMacroDef(ltPARAM,               _T("param"), 2);
2350   AddMacroDef(ltPARINDENT,           _T("parindent"), 1);
2351   AddMacroDef(ltPARSKIP,             _T("parskip"), 1);
2352   AddMacroDef(ltPARTIAL,             _T("partial"), 0);
2353   AddMacroDef(ltPARTSTAR,            _T("part*"), 1);
2354   AddMacroDef(ltPART,                _T("part"), 1);
2355   AddMacroDef(ltPAR,                 _T("par"), 0);
2356   AddMacroDef(ltPERP,                _T("perp"), 0);
2357   AddMacroDef(ltPHI,                 _T("phi"), 0);
2358   AddMacroDef(ltCAP_PHI,             _T("Phi"), 0);
2359   AddMacroDef(ltPFUNC,               _T("pfunc"), 3);
2360   AddMacroDef(ltPICTURE,             _T("picture"), 1);
2361   AddMacroDef(ltPI,                  _T("pi"), 0);
2362   AddMacroDef(ltCAP_PI,              _T("Pi"), 0);
2363   AddMacroDef(ltPM,                  _T("pm"), 0);
2364   AddMacroDef(ltPOPREFONLY,          _T("poprefonly"), 1);
2365   AddMacroDef(ltPOPREF,              _T("popref"), 2);
2366   AddMacroDef(ltPOUNDS,              _T("pounds"), 0);
2367   AddMacroDef(ltPREC,                _T("prec"), 0);
2368   AddMacroDef(ltPRECEQ,              _T("preceq"), 0);
2369   AddMacroDef(ltPRINTINDEX,          _T("printindex"), 0);
2370   AddMacroDef(ltPROPTO,              _T("propto"), 0);
2371   AddMacroDef(ltPSBOXTO,             _T("psboxto"), 1, false, (bool)FORBID_ABSOLUTELY);
2372   AddMacroDef(ltPSBOX,               _T("psbox"), 1, false, (bool)FORBID_ABSOLUTELY);
2373   AddMacroDef(ltPSI,                 _T("psi"), 0);
2374   AddMacroDef(ltCAP_PSI,             _T("Psi"), 0);
2375
2376   AddMacroDef(ltQUOTE,               _T("quote"), 1);
2377   AddMacroDef(ltQUOTATION,           _T("quotation"), 1);
2378
2379   AddMacroDef(ltRAGGEDBOTTOM,        _T("raggedbottom"), 0);
2380   AddMacroDef(ltRAGGEDLEFT,          _T("raggedleft"), 0);
2381   AddMacroDef(ltRAGGEDRIGHT,         _T("raggedright"), 0);
2382   AddMacroDef(ltRBRACERAW,           _T("rbraceraw"), 0);
2383   AddMacroDef(ltREF,                 _T("ref"), 1);
2384   AddMacroDef(ltREGISTERED,          _T("registered"), 0);
2385   AddMacroDef(ltRE,                  _T("we"), 0);
2386   AddMacroDef(ltRHO,                 _T("rho"), 0);
2387   AddMacroDef(ltRIGHTARROW,          _T("rightarrow"), 0);
2388   AddMacroDef(ltRIGHTARROW2,         _T("rightarrow2"), 0);
2389   AddMacroDef(ltRMFAMILY,            _T("rmfamily"), 1);
2390   AddMacroDef(ltRM,                  _T("rm"), 1);
2391   AddMacroDef(ltROMAN,               _T("roman"), 1);
2392   AddMacroDef(ltROMAN2,              _T("Roman"), 1);
2393 //  AddMacroDef(lt"row", 1);
2394   AddMacroDef(ltRTFSP,               _T("rtfsp"), 0);
2395   AddMacroDef(ltRTFIGNORE,           _T("rtfignore"), 1);
2396   AddMacroDef(ltRTFONLY,             _T("rtfonly"), 1);
2397   AddMacroDef(ltRULEDROW,            _T("ruledrow"), 1);
2398   AddMacroDef(ltDRULED,              _T("druled"), 1);
2399   AddMacroDef(ltRULE,                _T("rule"), 2);
2400   AddMacroDef(ltRHEAD,               _T("rhead"), 1);
2401   AddMacroDef(ltRFOOT,               _T("rfoot"), 1);
2402   AddMacroDef(ltROW,                 _T("row"), 1);
2403
2404   AddMacroDef(ltSCSHAPE,             _T("scshape"), 1);
2405   AddMacroDef(ltSC,                  _T("sc"), 1);
2406   AddMacroDef(ltSECTIONHEADING,      _T("sectionheading"), 1);
2407   AddMacroDef(ltSECTIONSTAR,         _T("section*"), 1);
2408   AddMacroDef(ltSECTION,             _T("section"), 1);
2409   AddMacroDef(ltSETCOUNTER,          _T("setcounter"), 2);
2410   AddMacroDef(ltSFFAMILY,            _T("sffamily"), 1);
2411   AddMacroDef(ltSF,                  _T("sf"), 1);
2412   AddMacroDef(ltSHARP,               _T("sharp"), 0);
2413   AddMacroDef(ltSHORTCITE,           _T("shortcite"), 1);
2414   AddMacroDef(ltSIGMA,               _T("sigma"), 0);
2415   AddMacroDef(ltCAP_SIGMA,           _T("Sigma"), 0);
2416   AddMacroDef(ltSIM,                 _T("sim"), 0);
2417   AddMacroDef(ltSIMEQ,               _T("simeq"), 0);
2418   AddMacroDef(ltSINGLESPACE,         _T("singlespace"), 1);
2419   AddMacroDef(ltSIZEDBOX,            _T("sizedbox"), 2);
2420   AddMacroDef(ltSIZEDBOXD,           _T("sizedboxd"), 2);
2421   AddMacroDef(ltSLOPPYPAR,           _T("sloppypar"), 1);
2422   AddMacroDef(ltSLOPPY,              _T("sloppy"), 0);
2423   AddMacroDef(ltSLSHAPE,             _T("slshape"), 1);
2424   AddMacroDef(ltSL,                  _T("sl"), 1);
2425   AddMacroDef(ltSMALL,               _T("small"), 1);
2426   AddMacroDef(ltSMILE,               _T("smile"), 0);
2427   AddMacroDef(ltSS,                  _T("ss"), 0);
2428   AddMacroDef(ltSTAR,                _T("star"), 0);
2429   AddMacroDef(ltSUBITEM,             _T("subitem"), 0);
2430   AddMacroDef(ltSUBPARAGRAPHSTAR,    _T("subparagraph*"), 1);
2431   AddMacroDef(ltSUBPARAGRAPH,        _T("subparagraph"), 1);
2432   AddMacroDef(ltSPECIAL,             _T("special"), 1);
2433   AddMacroDef(ltSUBSECTIONSTAR,      _T("subsection*"), 1);
2434   AddMacroDef(ltSUBSECTION,          _T("subsection"), 1);
2435   AddMacroDef(ltSUBSETEQ,            _T("subseteq"), 0);
2436   AddMacroDef(ltSUBSET,              _T("subset"), 0);
2437   AddMacroDef(ltSUCC,                _T("succ"), 0);
2438   AddMacroDef(ltSUCCEQ,              _T("succeq"), 0);
2439   AddMacroDef(ltSUPSETEQ,            _T("supseteq"), 0);
2440   AddMacroDef(ltSUPSET,              _T("supset"), 0);
2441   AddMacroDef(ltSUBSUBSECTIONSTAR,   _T("subsubsection*"), 1);
2442   AddMacroDef(ltSUBSUBSECTION,       _T("subsubsection"), 1);
2443   AddMacroDef(ltSUPERTABULAR,        _T("supertabular"), 2, false);
2444   AddMacroDef(ltSURD,                _T("surd"), 0);
2445   AddMacroDef(ltSCRIPTSIZE,          _T("scriptsize"), 1);
2446   AddMacroDef(ltSETHEADER,           _T("setheader"), 6);
2447   AddMacroDef(ltSETFOOTER,           _T("setfooter"), 6);
2448   AddMacroDef(ltSETHOTSPOTCOLOUR,    _T("sethotspotcolour"), 1);
2449   AddMacroDef(ltSETHOTSPOTCOLOR,     _T("sethotspotcolor"), 1);
2450   AddMacroDef(ltSETHOTSPOTUNDERLINE, _T("sethotspotunderline"), 1);
2451   AddMacroDef(ltSETTRANSPARENCY,     _T("settransparency"), 1);
2452   AddMacroDef(ltSPADESUIT,           _T("spadesuit"), 0);
2453
2454   AddMacroDef(ltTABBING,             _T("tabbing"), 2);
2455   AddMacroDef(ltTABLEOFCONTENTS,     _T("tableofcontents"), 0);
2456   AddMacroDef(ltTABLE,               _T("table"), 1);
2457   AddMacroDef(ltTABULAR,             _T("tabular"), 2, false);
2458   AddMacroDef(ltTAB,                 _T("tab"), 0);
2459   AddMacroDef(ltTAU,                 _T("tau"), 0);
2460   AddMacroDef(ltTEXTRM,              _T("textrm"), 1);
2461   AddMacroDef(ltTEXTSF,              _T("textsf"), 1);
2462   AddMacroDef(ltTEXTTT,              _T("texttt"), 1);
2463   AddMacroDef(ltTEXTBF,              _T("textbf"), 1);
2464   AddMacroDef(ltTEXTIT,              _T("textit"), 1);
2465   AddMacroDef(ltTEXTSL,              _T("textsl"), 1);
2466   AddMacroDef(ltTEXTSC,              _T("textsc"), 1);
2467   AddMacroDef(ltTEXTWIDTH,           _T("textwidth"), 1);
2468   AddMacroDef(ltTEXTHEIGHT,          _T("textheight"), 1);
2469   AddMacroDef(ltTEXTCOLOUR,          _T("textcolour"), 1);
2470   AddMacroDef(ltTEX,                 _T("TeX"), 0);
2471   AddMacroDef(ltTHEBIBLIOGRAPHY,     _T("thebibliography"), 2);
2472   AddMacroDef(ltTHETA,               _T("theta"), 0);
2473   AddMacroDef(ltTIMES,               _T("times"), 0);
2474   AddMacroDef(ltCAP_THETA,           _T("Theta"), 0);
2475   AddMacroDef(ltTITLEPAGE,           _T("titlepage"), 1);
2476   AddMacroDef(ltTITLE,               _T("title"), 1);
2477   AddMacroDef(ltTINY,                _T("tiny"), 1);
2478   AddMacroDef(ltTODAY,               _T("today"), 0);
2479   AddMacroDef(ltTOPMARGIN,           _T("topmargin"), 1);
2480   AddMacroDef(ltTOPSKIP,             _T("topskip"), 1);
2481   AddMacroDef(ltTRIANGLE,            _T("triangle"), 0);
2482   AddMacroDef(ltTTFAMILY,            _T("ttfamily"), 1);
2483   AddMacroDef(ltTT,                  _T("tt"), 1);
2484   AddMacroDef(ltTYPEIN,              _T("typein"), 1);
2485   AddMacroDef(ltTYPEOUT,             _T("typeout"), 1);
2486   AddMacroDef(ltTWOCOLWIDTHA,        _T("twocolwidtha"), 1);
2487   AddMacroDef(ltTWOCOLWIDTHB,        _T("twocolwidthb"), 1);
2488   AddMacroDef(ltTWOCOLSPACING,       _T("twocolspacing"), 1);
2489   AddMacroDef(ltTWOCOLITEMRULED,     _T("twocolitemruled"), 2);
2490   AddMacroDef(ltTWOCOLITEM,          _T("twocolitem"), 2);
2491   AddMacroDef(ltTWOCOLLIST,          _T("twocollist"), 1);
2492   AddMacroDef(ltTWOCOLUMN,           _T("twocolumn"), 0);
2493   AddMacroDef(ltTHEPAGE,             _T("thepage"), 0);
2494   AddMacroDef(ltTHECHAPTER,          _T("thechapter"), 0);
2495   AddMacroDef(ltTHESECTION,          _T("thesection"), 0);
2496   AddMacroDef(ltTHISPAGESTYLE,       _T("thispagestyle"), 1);
2497
2498   AddMacroDef(ltUNDERLINE,           _T("underline"), 1);
2499   AddMacroDef(ltUPSILON,             _T("upsilon"), 0);
2500   AddMacroDef(ltCAP_UPSILON,         _T("Upsilon"), 0);
2501   AddMacroDef(ltUPARROW,             _T("uparrow"), 0);
2502   AddMacroDef(ltUPARROW2,            _T("Uparrow"), 0);
2503   AddMacroDef(ltUPPERCASE,           _T("uppercase"), 1);
2504   AddMacroDef(ltUPSHAPE,             _T("upshape"), 1);
2505   AddMacroDef(ltURLREF,              _T("urlref"), 2);
2506   AddMacroDef(ltUSEPACKAGE,          _T("usepackage"), 1);
2507
2508   AddMacroDef(ltVAREPSILON,          _T("varepsilon"), 0);
2509   AddMacroDef(ltVARPHI,              _T("varphi"), 0);
2510   AddMacroDef(ltVARPI,               _T("varpi"), 0);
2511   AddMacroDef(ltVARRHO,              _T("varrho"), 0);
2512   AddMacroDef(ltVARSIGMA,            _T("varsigma"), 0);
2513   AddMacroDef(ltVARTHETA,            _T("vartheta"), 0);
2514   AddMacroDef(ltVDOTS,               _T("vdots"), 0);
2515   AddMacroDef(ltVEE,                 _T("vee"), 0);
2516   AddMacroDef(ltVERBATIMINPUT,       _T("verbatiminput"), 1);
2517   AddMacroDef(ltVERBATIM,            _T("verbatim"), 1);
2518   AddMacroDef(ltVERBSTAR,            _T("verb*"), 1);
2519   AddMacroDef(ltVERB,                _T("verb"), 1);
2520   AddMacroDef(ltVERSE,               _T("verse"), 1);
2521   AddMacroDef(ltVFILL,               _T("vfill"), 0);
2522   AddMacroDef(ltVLINE,               _T("vline"), 0);
2523   AddMacroDef(ltVOID,                _T("void"), 0);
2524   AddMacroDef(ltVDASH,               _T("vdash"), 0);
2525   AddMacroDef(ltVRULE,               _T("vrule"), 0);
2526   AddMacroDef(ltVSPACESTAR,          _T("vspace*"), 1);
2527   AddMacroDef(ltVSKIPSTAR,           _T("vskip*"), 1);
2528   AddMacroDef(ltVSPACE,              _T("vspace"), 1);
2529   AddMacroDef(ltVSKIP,               _T("vskip"), 1);
2530
2531   AddMacroDef(ltWEDGE,               _T("wedge"), 0);
2532   AddMacroDef(ltWXCLIPS,             _T("wxclips"), 0);
2533   AddMacroDef(ltWINHELPIGNORE,       _T("winhelpignore"), 1);
2534   AddMacroDef(ltWINHELPONLY,         _T("winhelponly"), 1);
2535   AddMacroDef(ltWP,                  _T("wp"), 0);
2536
2537   AddMacroDef(ltXI,                  _T("xi"), 0);
2538   AddMacroDef(ltCAP_XI,              _T("Xi"), 0);
2539   AddMacroDef(ltXLPIGNORE,           _T("xlpignore"), 1);
2540   AddMacroDef(ltXLPONLY,             _T("xlponly"), 1);
2541
2542   AddMacroDef(ltZETA,                _T("zeta"), 0);
2543
2544   AddMacroDef(ltSPACE,               _T(" "), 0);
2545   AddMacroDef(ltBACKSLASHCHAR,       _T("\\"), 0);
2546   AddMacroDef(ltPIPE,                _T("|"), 0);
2547   AddMacroDef(ltFORWARDSLASH,        _T("/"), 0);
2548   AddMacroDef(ltUNDERSCORE,          _T("_"), 0);
2549   AddMacroDef(ltAMPERSAND,           _T("&"), 0);
2550   AddMacroDef(ltPERCENT,             _T("%"), 0);
2551   AddMacroDef(ltDOLLAR,              _T("$"), 0);
2552   AddMacroDef(ltHASH,                _T("#"), 0);
2553   AddMacroDef(ltLPARENTH,            _T("("), 0);
2554   AddMacroDef(ltRPARENTH,            _T(")"), 0);
2555   AddMacroDef(ltLBRACE,              _T("{"), 0);
2556   AddMacroDef(ltRBRACE,              _T("}"), 0);
2557 //  AddMacroDef(ltEQUALS,              _T("="), 0);
2558   AddMacroDef(ltRANGLEBRA,           _T(">"), 0);
2559   AddMacroDef(ltLANGLEBRA,           _T("<"), 0);
2560   AddMacroDef(ltPLUS,                _T("+"), 0);
2561   AddMacroDef(ltDASH,                _T("-"), 0);
2562   AddMacroDef(ltAT_SYMBOL,           _T("@"), 0);
2563 //  AddMacroDef(ltSINGLEQUOTE,         _T("'"), 0);
2564 //  AddMacroDef(ltBACKQUOTE,           _T("`"), 0);
2565 }
2566
2567 /*
2568  * Default behaviour, should be called by client if can't match locally.
2569  *
2570  */
2571
2572 // Called on start/end of macro examination
2573 void DefaultOnMacro(int macroId, int no_args, bool start)
2574 {
2575   switch (macroId)
2576   {
2577     // Default behaviour for abstract
2578     case ltABSTRACT:
2579     {
2580       if (start)
2581       {
2582         // Write the heading
2583         FakeCurrentSection(AbstractNameString);
2584         OnMacro(ltPAR, 0, true);
2585         OnMacro(ltPAR, 0, false);
2586       }
2587       else
2588       {
2589         if (DocumentStyle == LATEX_ARTICLE)
2590           sectionNo --;
2591         else
2592           chapterNo --;
2593       }
2594       break;
2595     }
2596
2597     // Default behaviour for glossary
2598     case ltHELPGLOSSARY:
2599     {
2600       if (start)
2601       {
2602         // Write the heading
2603         FakeCurrentSection(GlossaryNameString);
2604         OnMacro(ltPAR, 0, true);
2605         OnMacro(ltPAR, 0, false);
2606         if ((convertMode == TEX_RTF) && !winHelp)
2607         {
2608           OnMacro(ltPAR, 0, true);
2609           OnMacro(ltPAR, 0, false);
2610         }
2611       }
2612       break;
2613     }
2614     case ltSPECIALAMPERSAND:
2615       if (start)
2616         TexOutput(_T("  "));
2617       break;
2618
2619     case ltCINSERT:
2620       if (start)
2621         TexOutput(_T("<<"), true);
2622       break;
2623     case ltCEXTRACT:
2624       if (start)
2625         TexOutput(_T(">>"), true);
2626       break;
2627     case ltDESTRUCT:
2628       if (start)
2629         TexOutput(_T("~"), true);
2630       break;
2631     case ltTILDE:
2632       if (start)
2633         TexOutput(_T("~"), true);
2634       break;
2635     case ltSPECIALTILDE:
2636       if (start)
2637         TexOutput(_T(" "), true);
2638       break;
2639     case ltUNDERSCORE:
2640       if (start)
2641         TexOutput(_T("_"), true);
2642       break;
2643     case ltHASH:
2644       if (start)
2645         TexOutput(_T("#"), true);
2646       break;
2647     case ltAMPERSAND:
2648       if (start)
2649         TexOutput(_T("&"), true);
2650       break;
2651     case ltSPACE:
2652       if (start)
2653         TexOutput(_T(" "), true);
2654       break;
2655     case ltPIPE:
2656       if (start)
2657         TexOutput(_T("|"), true);
2658       break;
2659     case ltPERCENT:
2660       if (start)
2661         TexOutput(_T("%"), true);
2662       break;
2663     case ltDOLLAR:
2664       if (start)
2665         TexOutput(_T("$"), true);
2666       break;
2667     case ltLPARENTH:
2668       if (start)
2669         TexOutput(_T(""), true);
2670       break;
2671     case ltRPARENTH:
2672       if (start)
2673         TexOutput(_T(""), true);
2674       break;
2675     case ltLBRACE:
2676       if (start)
2677         TexOutput(_T("{"), true);
2678       break;
2679     case ltRBRACE:
2680       if (start)
2681         TexOutput(_T("}"), true);
2682       break;
2683     case ltCOPYRIGHT:
2684       if (start)
2685         TexOutput(_T("(c)"), true);
2686       break;
2687     case ltREGISTERED:
2688       if (start)
2689         TexOutput(_T("(r)"), true);
2690       break;
2691     case ltBACKSLASH:
2692       if (start)
2693         TexOutput(_T("\\"), true);
2694       break;
2695     case ltLDOTS:
2696     case ltCDOTS:
2697       if (start)
2698         TexOutput(_T("..."), true);
2699       break;
2700     case ltVDOTS:
2701       if (start)
2702         TexOutput(_T("|"), true);
2703       break;
2704     case ltLATEX:
2705       if (start)
2706         TexOutput(_T("LaTeX"), true);
2707       break;
2708     case ltTEX:
2709       if (start)
2710         TexOutput(_T("TeX"), true);
2711       break;
2712     case ltPOUNDS:
2713       if (start)
2714         TexOutput(_T("£"), true);
2715       break;
2716     case ltSPECIALDOUBLEDOLLAR:  // Interpret as center
2717       OnMacro(ltCENTER, no_args, start);
2718       break;
2719     case ltEMPH:
2720     case ltTEXTSL:
2721     case ltSLSHAPE:
2722     case ltSL:
2723       OnMacro(ltIT, no_args, start);
2724       break;
2725     case ltPARAGRAPH:
2726     case ltPARAGRAPHSTAR:
2727     case ltSUBPARAGRAPH:
2728     case ltSUBPARAGRAPHSTAR:
2729       OnMacro(ltSUBSUBSECTION, no_args, start);
2730       break;
2731     case ltTODAY:
2732     {
2733       if (start)
2734       {
2735         time_t when;
2736         (void) time(&when);
2737         TexOutput(wxCtime(&when), true);
2738       }
2739       break;
2740     }
2741     case ltNOINDENT:
2742       if (start)
2743         ParIndent = 0;
2744       break;
2745
2746     // Symbols
2747     case ltALPHA:
2748       if (start) TexOutput(_T("alpha"));
2749       break;
2750     case ltBETA:
2751       if (start) TexOutput(_T("beta"));
2752       break;
2753     case ltGAMMA:
2754       if (start) TexOutput(_T("gamma"));
2755       break;
2756     case ltDELTA:
2757       if (start) TexOutput(_T("delta"));
2758       break;
2759     case ltEPSILON:
2760     case ltVAREPSILON:
2761       if (start) TexOutput(_T("epsilon"));
2762       break;
2763     case ltZETA:
2764       if (start) TexOutput(_T("zeta"));
2765       break;
2766     case ltETA:
2767       if (start) TexOutput(_T("eta"));
2768       break;
2769     case ltTHETA:
2770     case ltVARTHETA:
2771       if (start) TexOutput(_T("theta"));
2772       break;
2773     case ltIOTA:
2774       if (start) TexOutput(_T("iota"));
2775       break;
2776     case ltKAPPA:
2777       if (start) TexOutput(_T("kappa"));
2778       break;
2779     case ltLAMBDA:
2780       if (start) TexOutput(_T("lambda"));
2781       break;
2782     case ltMU:
2783       if (start) TexOutput(_T("mu"));
2784       break;
2785     case ltNU:
2786       if (start) TexOutput(_T("nu"));
2787       break;
2788     case ltXI:
2789       if (start) TexOutput(_T("xi"));
2790       break;
2791     case ltPI:
2792     case ltVARPI:
2793       if (start) TexOutput(_T("pi"));
2794       break;
2795     case ltRHO:
2796     case ltVARRHO:
2797       if (start) TexOutput(_T("rho"));
2798       break;
2799     case ltSIGMA:
2800     case ltVARSIGMA:
2801       if (start) TexOutput(_T("sigma"));
2802       break;
2803     case ltTAU:
2804       if (start) TexOutput(_T("tau"));
2805       break;
2806     case ltUPSILON:
2807       if (start) TexOutput(_T("upsilon"));
2808       break;
2809     case ltPHI:
2810     case ltVARPHI:
2811       if (start) TexOutput(_T("phi"));
2812       break;
2813     case ltCHI:
2814       if (start) TexOutput(_T("chi"));
2815       break;
2816     case ltPSI:
2817       if (start) TexOutput(_T("psi"));
2818       break;
2819     case ltOMEGA:
2820       if (start) TexOutput(_T("omega"));
2821       break;
2822     case ltCAP_GAMMA:
2823       if (start) TexOutput(_T("GAMMA"));
2824       break;
2825     case ltCAP_DELTA:
2826       if (start) TexOutput(_T("DELTA"));
2827       break;
2828     case ltCAP_THETA:
2829       if (start) TexOutput(_T("THETA"));
2830       break;
2831     case ltCAP_LAMBDA:
2832       if (start) TexOutput(_T("LAMBDA"));
2833       break;
2834     case ltCAP_XI:
2835       if (start) TexOutput(_T("XI"));
2836       break;
2837     case ltCAP_PI:
2838       if (start) TexOutput(_T("PI"));
2839       break;
2840     case ltCAP_SIGMA:
2841       if (start) TexOutput(_T("SIGMA"));
2842       break;
2843     case ltCAP_UPSILON:
2844       if (start) TexOutput(_T("UPSILON"));
2845       break;
2846     case ltCAP_PHI:
2847       if (start) TexOutput(_T("PHI"));
2848       break;
2849     case ltCAP_PSI:
2850       if (start) TexOutput(_T("PSI"));
2851       break;
2852     case ltCAP_OMEGA:
2853       if (start) TexOutput(_T("OMEGA"));
2854       break;
2855
2856     // Binary operation symbols
2857     case ltLE:
2858     case ltLEQ:
2859       if (start) TexOutput(_T("<="));
2860       break;
2861     case ltLL:
2862       if (start) TexOutput(_T("<<"));
2863       break;
2864     case ltSUBSET:
2865       if (start) TexOutput(_T("SUBSET"));
2866       break;
2867     case ltSUBSETEQ:
2868       if (start) TexOutput(_T("SUBSETEQ"));
2869       break;
2870     case ltIN:
2871       if (start) TexOutput(_T("IN"));
2872       break;
2873     case ltVDASH:
2874       if (start) TexOutput(_T("VDASH"));
2875       break;
2876     case ltMODELS:
2877       if (start) TexOutput(_T("MODELS"));
2878       break;
2879     case ltGE:
2880     case ltGEQ:
2881       if (start) TexOutput(_T(">="));
2882       break;
2883     case ltGG:
2884       if (start) TexOutput(_T(">>"));
2885       break;
2886     case ltSUPSET:
2887       if (start) TexOutput(_T("SUPSET"));
2888       break;
2889     case ltSUPSETEQ:
2890       if (start) TexOutput(_T("SUPSETEQ"));
2891       break;
2892     case ltNI:
2893       if (start) TexOutput(_T("NI"));
2894       break;
2895     case ltDASHV:
2896       if (start) TexOutput(_T("DASHV"));
2897       break;
2898     case ltPERP:
2899       if (start) TexOutput(_T("PERP"));
2900       break;
2901     case ltNEQ:
2902       if (start) TexOutput(_T("NEQ"));
2903       break;
2904     case ltDOTEQ:
2905       if (start) TexOutput(_T("DOTEQ"));
2906       break;
2907     case ltAPPROX:
2908       if (start) TexOutput(_T("APPROX"));
2909       break;
2910     case ltCONG:
2911       if (start) TexOutput(_T("CONG"));
2912       break;
2913     case ltEQUIV:
2914       if (start) TexOutput(_T("EQUIV"));
2915       break;
2916     case ltPROPTO:
2917       if (start) TexOutput(_T("PROPTO"));
2918       break;
2919     case ltPREC:
2920       if (start) TexOutput(_T("PREC"));
2921       break;
2922     case ltPRECEQ:
2923       if (start) TexOutput(_T("PRECEQ"));
2924       break;
2925     case ltPARALLEL:
2926       if (start) TexOutput(_T("|"));
2927       break;
2928     case ltSIM:
2929       if (start) TexOutput(_T("~"));
2930       break;
2931     case ltSIMEQ:
2932       if (start) TexOutput(_T("SIMEQ"));
2933       break;
2934     case ltASYMP:
2935       if (start) TexOutput(_T("ASYMP"));
2936       break;
2937     case ltSMILE:
2938       if (start) TexOutput(_T(":-)"));
2939       break;
2940     case ltFROWN:
2941       if (start) TexOutput(_T(":-("));
2942       break;
2943     case ltSUCC:
2944       if (start) TexOutput(_T("SUCC"));
2945       break;
2946     case ltSUCCEQ:
2947       if (start) TexOutput(_T("SUCCEQ"));
2948       break;
2949     case ltMID:
2950       if (start) TexOutput(_T("|"));
2951       break;
2952
2953     // Negated relation symbols
2954     case ltNOTEQ:
2955       if (start) TexOutput(_T("!="));
2956       break;
2957     case ltNOTIN:
2958       if (start) TexOutput(_T("NOTIN"));
2959       break;
2960     case ltNOTSUBSET:
2961       if (start) TexOutput(_T("NOTSUBSET"));
2962       break;
2963
2964     // Arrows
2965     case ltLEFTARROW:
2966       if (start) TexOutput(_T("<--"));
2967       break;
2968     case ltLEFTARROW2:
2969       if (start) TexOutput(_T("<=="));
2970       break;
2971     case ltRIGHTARROW:
2972       if (start) TexOutput(_T("-->"));
2973       break;
2974     case ltRIGHTARROW2:
2975       if (start) TexOutput(_T("==>"));
2976       break;
2977     case ltLEFTRIGHTARROW:
2978       if (start) TexOutput(_T("<-->"));
2979       break;
2980     case ltLEFTRIGHTARROW2:
2981       if (start) TexOutput(_T("<==>"));
2982       break;
2983     case ltUPARROW:
2984       if (start) TexOutput(_T("UPARROW"));
2985       break;
2986     case ltUPARROW2:
2987       if (start) TexOutput(_T("UPARROW2"));
2988       break;
2989     case ltDOWNARROW:
2990       if (start) TexOutput(_T("DOWNARROW"));
2991       break;
2992     case ltDOWNARROW2:
2993       if (start) TexOutput(_T("DOWNARROW2"));
2994       break;
2995     // Miscellaneous symbols
2996     case ltALEPH:
2997       if (start) TexOutput(_T("ALEPH"));
2998       break;
2999     case ltWP:
3000       if (start) TexOutput(_T("WP"));
3001       break;
3002     case ltRE:
3003       if (start) TexOutput(_T("RE"));
3004       break;
3005     case ltIM:
3006       if (start) TexOutput(_T("IM"));
3007       break;
3008     case ltEMPTYSET:
3009       if (start) TexOutput(_T("EMPTYSET"));
3010       break;
3011     case ltNABLA:
3012       if (start) TexOutput(_T("NABLA"));
3013       break;
3014     case ltSURD:
3015       if (start) TexOutput(_T("SURD"));
3016       break;
3017     case ltPARTIAL:
3018       if (start) TexOutput(_T("PARTIAL"));
3019       break;
3020     case ltBOT:
3021       if (start) TexOutput(_T("BOT"));
3022       break;
3023     case ltFORALL:
3024       if (start) TexOutput(_T("FORALL"));
3025       break;
3026     case ltEXISTS:
3027       if (start) TexOutput(_T("EXISTS"));
3028       break;
3029     case ltNEG:
3030       if (start) TexOutput(_T("NEG"));
3031       break;
3032     case ltSHARP:
3033       if (start) TexOutput(_T("SHARP"));
3034       break;
3035     case ltANGLE:
3036       if (start) TexOutput(_T("ANGLE"));
3037       break;
3038     case ltTRIANGLE:
3039       if (start) TexOutput(_T("TRIANGLE"));
3040       break;
3041     case ltCLUBSUIT:
3042       if (start) TexOutput(_T("CLUBSUIT"));
3043       break;
3044     case ltDIAMONDSUIT:
3045       if (start) TexOutput(_T("DIAMONDSUIT"));
3046       break;
3047     case ltHEARTSUIT:
3048       if (start) TexOutput(_T("HEARTSUIT"));
3049       break;
3050     case ltSPADESUIT:
3051       if (start) TexOutput(_T("SPADESUIT"));
3052       break;
3053     case ltINFTY:
3054       if (start) TexOutput(_T("INFTY"));
3055       break;
3056     case ltPM:
3057       if (start) TexOutput(_T("PM"));
3058       break;
3059     case ltMP:
3060       if (start) TexOutput(_T("MP"));
3061       break;
3062     case ltTIMES:
3063       if (start) TexOutput(_T("TIMES"));
3064       break;
3065     case ltDIV:
3066       if (start) TexOutput(_T("DIV"));
3067       break;
3068     case ltCDOT:
3069       if (start) TexOutput(_T("CDOT"));
3070       break;
3071     case ltAST:
3072       if (start) TexOutput(_T("AST"));
3073       break;
3074     case ltSTAR:
3075       if (start) TexOutput(_T("STAR"));
3076       break;
3077     case ltCAP:
3078       if (start) TexOutput(_T("CAP"));
3079       break;
3080     case ltCUP:
3081       if (start) TexOutput(_T("CUP"));
3082       break;
3083     case ltVEE:
3084       if (start) TexOutput(_T("VEE"));
3085       break;
3086     case ltWEDGE:
3087       if (start) TexOutput(_T("WEDGE"));
3088       break;
3089     case ltCIRC:
3090       if (start) TexOutput(_T("CIRC"));
3091       break;
3092     case ltBULLET:
3093       if (start) TexOutput(_T("BULLET"));
3094       break;
3095     case ltDIAMOND:
3096       if (start) TexOutput(_T("DIAMOND"));
3097       break;
3098     case ltOSLASH:
3099       if (start) TexOutput(_T("OSLASH"));
3100       break;
3101     case ltBOX:
3102       if (start) TexOutput(_T("BOX"));
3103       break;
3104     case ltDIAMOND2:
3105       if (start) TexOutput(_T("DIAMOND2"));
3106       break;
3107     case ltBIGTRIANGLEDOWN:
3108       if (start) TexOutput(_T("BIGTRIANGLEDOWN"));
3109       break;
3110     case ltOPLUS:
3111       if (start) TexOutput(_T("OPLUS"));
3112       break;
3113     case ltOTIMES:
3114       if (start) TexOutput(_T("OTIMES"));
3115       break;
3116     case ltSS:
3117       if (start) TexOutput(_T("s"));
3118       break;
3119     case ltBACKSLASHRAW:
3120       if (start) TexOutput(_T("\\"));
3121       break;
3122     case ltLBRACERAW:
3123       if (start) TexOutput(_T("{"));
3124       break;
3125     case ltRBRACERAW:
3126       if (start) TexOutput(_T("}"));
3127       break;
3128     case ltSMALLSPACE1:
3129     case ltSMALLSPACE2:
3130       if (start) TexOutput(_T(" "));
3131       break;
3132     default:
3133       break;
3134   }
3135 }
3136
3137 // Called on start/end of argument examination
3138 bool DefaultOnArgument(int macroId, int arg_no, bool start)
3139 {
3140   switch (macroId)
3141   {
3142     case ltREF:
3143     {
3144     if (arg_no == 1 && start)
3145     {
3146       wxChar *refName = GetArgData();
3147       if (refName)
3148       {
3149         TexRef *texRef = FindReference(refName);
3150         if (texRef)
3151         {
3152           // Must strip the 'section' or 'chapter' or 'figure' text
3153           // from a normal 'ref' reference
3154           wxChar buf[150];
3155           wxStrcpy(buf, texRef->sectionNumber);
3156           int len = wxStrlen(buf);
3157           int i = 0;
3158           if (wxStrcmp(buf, _T("??")) != 0)
3159           {
3160             while (i < len)
3161             {
3162               if (buf[i] == ' ')
3163               {
3164                 i ++;
3165                 break;
3166               }
3167               else i ++;
3168             }
3169           }
3170           TexOutput(texRef->sectionNumber + i, true);
3171         }
3172         else
3173         {
3174            wxString informBuf;
3175            informBuf.Printf(_T("Warning: unresolved reference '%s'"), refName);
3176            OnInform((wxChar *)informBuf.c_str());
3177         }
3178       }
3179       else TexOutput(_T("??"), true);
3180       return false;
3181     }
3182     break;
3183     }
3184     case ltLABEL:
3185     {
3186       return false;
3187     }
3188     case ltAUTHOR:
3189     {
3190       if (start && (arg_no == 1))
3191         DocumentAuthor = GetArgChunk();
3192       return false;
3193     }
3194     case ltDATE:
3195     {
3196       if (start && (arg_no == 1))
3197         DocumentDate = GetArgChunk();
3198       return false;
3199     }
3200     case ltTITLE:
3201     {
3202       if (start && (arg_no == 1))
3203         DocumentTitle = GetArgChunk();
3204       return false;
3205     }
3206   case ltDOCUMENTCLASS:
3207   case ltDOCUMENTSTYLE:
3208   {
3209     if (start && !IsArgOptional())
3210     {
3211       DocumentStyleString = copystring(GetArgData());
3212       if (wxStrncmp(DocumentStyleString, _T("art"), 3) == 0)
3213         DocumentStyle = LATEX_ARTICLE;
3214       else if (wxStrncmp(DocumentStyleString, _T("rep"), 3) == 0)
3215         DocumentStyle = LATEX_REPORT;
3216       else if (wxStrncmp(DocumentStyleString, _T("book"), 4) == 0 ||
3217                wxStrncmp(DocumentStyleString, _T("thesis"), 6) == 0)
3218         DocumentStyle = LATEX_BOOK;
3219       else if (wxStrncmp(DocumentStyleString, _T("letter"), 6) == 0)
3220         DocumentStyle = LATEX_LETTER;
3221       else if (wxStrncmp(DocumentStyleString, _T("slides"), 6) == 0)
3222         DocumentStyle = LATEX_SLIDES;
3223
3224       if (StringMatch(_T("10"), DocumentStyleString))
3225         SetFontSizes(10);
3226       else if (StringMatch(_T("11"), DocumentStyleString))
3227         SetFontSizes(11);
3228       else if (StringMatch(_T("12"), DocumentStyleString))
3229         SetFontSizes(12);
3230
3231       OnMacro(ltHELPFONTSIZE, 1, true);
3232       wxSnprintf(currentArgData, 2000, _T("%d"), normalFont);
3233       haveArgData = true;
3234       OnArgument(ltHELPFONTSIZE, 1, true);
3235       OnArgument(ltHELPFONTSIZE, 1, false);
3236       haveArgData = false;
3237       OnMacro(ltHELPFONTSIZE, 1, false);
3238     }
3239     else if (start && IsArgOptional())
3240     {
3241       MinorDocumentStyleString = copystring(GetArgData());
3242
3243       if (StringMatch(_T("10"), MinorDocumentStyleString))
3244         SetFontSizes(10);
3245       else if (StringMatch(_T("11"), MinorDocumentStyleString))
3246         SetFontSizes(11);
3247       else if (StringMatch(_T("12"), MinorDocumentStyleString))
3248         SetFontSizes(12);
3249     }
3250     return false;
3251   }
3252   case ltBIBLIOGRAPHYSTYLE:
3253   {
3254     if (start && !IsArgOptional())
3255       BibliographyStyleString = copystring(GetArgData());
3256     return false;
3257   }
3258   case ltPAGESTYLE:
3259   {
3260     if (start && !IsArgOptional())
3261     {
3262       if (PageStyle) delete[] PageStyle;
3263       PageStyle = copystring(GetArgData());
3264     }
3265     return false;
3266   }
3267 /*
3268   case ltLHEAD:
3269   {
3270     if (start && !IsArgOptional())
3271       LeftHeader = GetArgChunk();
3272     return false;
3273     break;
3274   }
3275   case ltLFOOT:
3276   {
3277     if (start && !IsArgOptional())
3278       LeftFooter = GetArgChunk();
3279     return false;
3280     break;
3281   }
3282   case ltCHEAD:
3283   {
3284     if (start && !IsArgOptional())
3285       CentreHeader = GetArgChunk();
3286     return false;
3287     break;
3288   }
3289   case ltCFOOT:
3290   {
3291     if (start && !IsArgOptional())
3292       CentreFooter = GetArgChunk();
3293     return false;
3294     break;
3295   }
3296   case ltRHEAD:
3297   {
3298     if (start && !IsArgOptional())
3299       RightHeader = GetArgChunk();
3300     return false;
3301     break;
3302   }
3303   case ltRFOOT:
3304   {
3305     if (start && !IsArgOptional())
3306       RightFooter = GetArgChunk();
3307     return false;
3308     break;
3309   }
3310 */
3311   case ltCITE:
3312   case ltSHORTCITE:
3313   {
3314     if (start && !IsArgOptional())
3315     {
3316       wxChar *citeKeys = GetArgData();
3317       int pos = 0;
3318       wxChar *citeKey = ParseMultifieldString(citeKeys, &pos);
3319       while (citeKey)
3320       {
3321         AddCitation(citeKey);
3322         TexRef *ref = FindReference(citeKey);
3323         if (ref)
3324         {
3325           TexOutput(ref->sectionNumber, true);
3326           if (wxStrcmp(ref->sectionNumber, _T("??")) == 0)
3327           {
3328             wxString informBuf;
3329             informBuf.Printf(_T("Warning: unresolved citation %s."), citeKey);
3330             OnInform((wxChar *)informBuf.c_str());
3331           }
3332         }
3333         citeKey = ParseMultifieldString(citeKeys, &pos);
3334         if (citeKey)
3335         {
3336           TexOutput(_T(", "), true);
3337         }
3338       }
3339       return false;
3340     }
3341     break;
3342   }
3343   case ltNOCITE:
3344   {
3345     if (start && !IsArgOptional())
3346     {
3347       wxChar *citeKey = GetArgData();
3348       AddCitation(citeKey);
3349       return false;
3350     }
3351     break;
3352   }
3353   case ltHELPFONTSIZE:
3354   {
3355     if (start)
3356     {
3357       wxChar *data = GetArgData();
3358       if (wxStrcmp(data, _T("10")) == 0)
3359         SetFontSizes(10);
3360       else if (wxStrcmp(data, _T("11")) == 0)
3361         SetFontSizes(11);
3362       else if (wxStrcmp(data, _T("12")) == 0)
3363         SetFontSizes(12);
3364       return false;
3365     }
3366     break;
3367   }
3368   case ltPAGEREF:
3369   {
3370     if (start)
3371     {
3372       TexOutput(_T(" ??"), true);
3373       return false;
3374     }
3375     break;
3376   }
3377   case ltPARSKIP:
3378   {
3379     if (start && arg_no == 1)
3380     {
3381       wxChar *data = GetArgData();
3382       ParSkip = ParseUnitArgument(data);
3383       return false;
3384     }
3385     break;
3386   }
3387   case ltPARINDENT:
3388   {
3389     if (start && arg_no == 1)
3390     {
3391       wxChar *data = GetArgData();
3392       ParIndent = ParseUnitArgument(data);
3393       return false;
3394     }
3395     break;
3396   }
3397   case ltSL:
3398   {
3399     return OnArgument(ltIT, arg_no, start);
3400   }
3401   case ltSPECIALDOUBLEDOLLAR:
3402   {
3403     return OnArgument(ltCENTER, arg_no, start);
3404   }
3405   case ltPARAGRAPH:
3406   case ltPARAGRAPHSTAR:
3407   case ltSUBPARAGRAPH:
3408   case ltSUBPARAGRAPHSTAR:
3409   {
3410     return OnArgument(ltSUBSUBSECTION, arg_no, start);
3411   }
3412   case ltTYPEOUT:
3413   {
3414     if (start)
3415       OnInform(GetArgData());
3416     break;
3417   }
3418   case ltFOOTNOTE:
3419   {
3420     if (start)
3421       TexOutput(_T(" ("), true);
3422     else
3423       TexOutput(_T(")"), true);
3424     break;
3425   }
3426   case ltBIBLIOGRAPHY:
3427   {
3428     if (start)
3429     {
3430       int ch;
3431       wxChar smallBuf[2];
3432       smallBuf[1] = 0;
3433       FILE *fd = wxFopen(TexBibName, _T("r"));
3434       if (fd)
3435       {
3436         ch = getc(fd);
3437         smallBuf[0] = ch;
3438         while (ch != EOF)
3439         {
3440           TexOutput(smallBuf);
3441           ch = getc(fd);
3442           smallBuf[0] = ch;
3443         }
3444         fclose(fd);
3445       }
3446       else
3447       {
3448         OnInform(_T("Run Tex2RTF again to include bibliography."));
3449       }
3450
3451       // Read in the .bib file, resolve all known references, write out the RTF.
3452       wxChar *allFiles = GetArgData();
3453       int pos = 0;
3454       wxChar *bibFile = ParseMultifieldString(allFiles, &pos);
3455       while (bibFile)
3456       {
3457         wxChar fileBuf[300];
3458         wxStrcpy(fileBuf, bibFile);
3459         wxString actualFile = TexPathList.FindValidPath(fileBuf);
3460         if (actualFile == _T(""))
3461         {
3462           wxStrcat(fileBuf, _T(".bib"));
3463           actualFile = TexPathList.FindValidPath(fileBuf);
3464         }
3465         if (actualFile != _T(""))
3466         {
3467           if (!ReadBib((wxChar*) (const wxChar*) actualFile))
3468           {
3469             wxString errBuf;
3470             errBuf.Printf(_T(".bib file %s not found or malformed"), (const wxChar*) actualFile);
3471             OnError((wxChar *)errBuf.c_str());
3472           }
3473         }
3474         else
3475         {
3476           wxString errBuf;
3477           errBuf.Printf(_T(".bib file %s not found"), fileBuf);
3478           OnError((wxChar *)errBuf.c_str());
3479         }
3480         bibFile = ParseMultifieldString(allFiles, &pos);
3481       }
3482
3483       ResolveBibReferences();
3484
3485       // Write it a new bib section in the appropriate format.
3486       FILE *save1 = CurrentOutput1;
3487       FILE *save2 = CurrentOutput2;
3488       FILE *Biblio = wxFopen(TexTmpBibName, _T("w"));
3489       SetCurrentOutput(Biblio);
3490       OutputBib();
3491       fclose(Biblio);
3492       if (wxFileExists(TexTmpBibName))
3493       {
3494         if (wxFileExists(TexBibName)) wxRemoveFile(TexBibName);
3495         wxRenameFile(TexTmpBibName, TexBibName);
3496       }
3497       SetCurrentOutputs(save1, save2);
3498       return false;
3499     }
3500     break;
3501   }
3502   case ltMULTICOLUMN:
3503     return (start && (arg_no == 3));
3504   case ltSCSHAPE:
3505   case ltTEXTSC:
3506   case ltSC:
3507   {
3508     if (start && (arg_no == 1))
3509     {
3510       wxChar *s = GetArgData();
3511       if (s)
3512       {
3513         wxChar *s1 = copystring(s);
3514         int i;
3515         for (i = 0; i < (int)wxStrlen(s); i++)
3516           s1[i] = wxToupper(s[i]);
3517         TexOutput(s1);
3518         delete[] s1;
3519         return false;
3520       }
3521       else return true;
3522
3523     }
3524     return true;
3525   }
3526   case ltLOWERCASE:
3527   {
3528     if (start && (arg_no == 1))
3529     {
3530       wxChar *s = GetArgData();
3531       if (s)
3532       {
3533         wxChar *s1 = copystring(s);
3534         int i;
3535         for (i = 0; i < (int)wxStrlen(s); i++)
3536           s1[i] = wxTolower(s[i]);
3537         TexOutput(s1);
3538         delete[] s1;
3539         return false;
3540       }
3541       else return true;
3542
3543     }
3544     return true;
3545   }
3546   case ltUPPERCASE:
3547   {
3548     if (start && (arg_no == 1))
3549     {
3550       wxChar *s = GetArgData();
3551       if (s)
3552       {
3553         wxChar *s1 = copystring(s);
3554         int i;
3555         for (i = 0; i < (int)wxStrlen(s); i++)
3556           s1[i] = wxToupper(s[i]);
3557         TexOutput(s1);
3558         delete[] s1;
3559         return false;
3560       }
3561       else return true;
3562
3563     }
3564     return true;
3565   }
3566   case ltPOPREF:  // Ignore second argument by default
3567     return (start && (arg_no == 1));
3568   case ltTWOCOLUMN:
3569     return true;
3570   case ltXLPIGNORE:
3571     return ((convertMode == TEX_XLP) ? false : true);
3572   case ltXLPONLY:
3573     return ((convertMode != TEX_XLP) ? false : true);
3574   case ltHTMLIGNORE:
3575     return ((convertMode == TEX_HTML) ? false : true);
3576   case ltHTMLONLY:
3577     return ((convertMode != TEX_HTML) ? false : true);
3578   case ltRTFIGNORE:
3579     return (((convertMode == TEX_RTF) && !winHelp) ? false : true);
3580   case ltRTFONLY:
3581     return (!((convertMode == TEX_RTF) && !winHelp) ? false : true);
3582   case ltWINHELPIGNORE:
3583     return (winHelp ? false : true);
3584   case ltWINHELPONLY:
3585     return (!winHelp ? false : true);
3586   case ltLATEXIGNORE:
3587     return true;
3588   case ltLATEXONLY:
3589     return false;
3590   case ltCLINE:
3591   case ltARABIC:
3592   case ltALPH1:
3593   case ltALPH2:
3594   case ltROMAN:
3595   case ltROMAN2:
3596   case ltSETCOUNTER:
3597   case ltADDTOCOUNTER:
3598   case ltADDCONTENTSLINE:
3599   case ltNEWCOUNTER:
3600   case ltTEXTWIDTH:
3601   case ltTEXTHEIGHT:
3602   case ltBASELINESKIP:
3603   case ltVSPACESTAR:
3604   case ltHSPACESTAR:
3605   case ltVSPACE:
3606   case ltHSPACE:
3607   case ltVSKIPSTAR:
3608   case ltHSKIPSTAR:
3609   case ltVSKIP:
3610   case ltHSKIP:
3611   case ltPAGENUMBERING:
3612   case ltTHEPAGE:
3613   case ltTHECHAPTER:
3614   case ltTHESECTION:
3615   case ltITEMSEP:
3616   case ltFANCYPLAIN:
3617   case ltCHEAD:
3618   case ltRHEAD:
3619   case ltLHEAD:
3620   case ltCFOOT:
3621   case ltRFOOT:
3622   case ltLFOOT:
3623   case ltTHISPAGESTYLE:
3624   case ltMARKRIGHT:
3625   case ltMARKBOTH:
3626   case ltEVENSIDEMARGIN:
3627   case ltODDSIDEMARGIN:
3628   case ltMARGINPAR:
3629   case ltMARGINPARWIDTH:
3630   case ltMARGINPARSEP:
3631   case ltMARGINPAREVEN:
3632   case ltMARGINPARODD:
3633   case ltTWOCOLWIDTHA:
3634   case ltTWOCOLWIDTHB:
3635   case ltTWOCOLSPACING:
3636   case ltSETHEADER:
3637   case ltSETFOOTER:
3638   case ltINDEX:
3639   case ltITEM:
3640   case ltBCOL:
3641   case ltFCOL:
3642   case ltSETHOTSPOTCOLOUR:
3643   case ltSETHOTSPOTCOLOR:
3644   case ltSETHOTSPOTUNDERLINE:
3645   case ltSETTRANSPARENCY:
3646   case ltUSEPACKAGE:
3647   case ltBACKGROUND:
3648   case ltBACKGROUNDCOLOUR:
3649   case ltBACKGROUNDIMAGE:
3650   case ltLINKCOLOUR:
3651   case ltFOLLOWEDLINKCOLOUR:
3652   case ltTEXTCOLOUR:
3653   case ltIMAGE:
3654   case ltIMAGEMAP:
3655   case ltIMAGEL:
3656   case ltIMAGER:
3657   case ltPOPREFONLY:
3658   case ltINSERTATLEVEL:
3659     return false;
3660   case ltTABULAR:
3661   case ltSUPERTABULAR:
3662   case ltINDENTED:
3663   case ltSIZEDBOX:
3664   case ltSIZEDBOXD:
3665     return (arg_no == 2);
3666   case ltDEFINECOLOUR:
3667   case ltDEFINECOLOR:
3668   {
3669     static int redVal = 0;
3670     static int greenVal = 0;
3671     static int blueVal = 0;
3672     static wxChar *colourName = NULL;
3673     if (start)
3674     {
3675       switch (arg_no)
3676       {
3677         case 1:
3678         {
3679           if (colourName) delete[] colourName;
3680           colourName = copystring(GetArgData());
3681           break;
3682         }
3683         case 2:
3684         {
3685           redVal = wxAtoi(GetArgData());
3686           break;
3687         }
3688         case 3:
3689         {
3690           greenVal = wxAtoi(GetArgData());
3691           break;
3692         }
3693         case 4:
3694         {
3695           blueVal = wxAtoi(GetArgData());
3696           AddColour(colourName, redVal, greenVal, blueVal);
3697           break;
3698         }
3699         default:
3700           break;
3701       }
3702     }
3703     return false;
3704   }
3705   case ltFIGURE:
3706   case ltFIGURESTAR:
3707   case ltNORMALBOX:
3708   case ltNORMALBOXD:
3709   default:
3710     return (!IsArgOptional());
3711   }
3712   return true;
3713 }
3714