utils/tex2rtf/src/tex2any.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        tex2any.cpp
   3 // Purpose:     Utilities for Latex conversion.
   4 // Author:      Julian Smart
   5 // Modified by: Wlodzimierz 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            checkCurlyBraces = 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 leftCurly = 0;
 432 unsigned long rightCurly = 0;
 433 static wxString currentFileName = wxEmptyString;
 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   int lastChar;
 447
 448   while (ch != EOF && ch != 10)
 449   {
 450     if (bufIndex >= MAX_LINE_BUFFER_SIZE)
 451     {
 452        wxString errBuf;
 453        errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 454            LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(), MAX_LINE_BUFFER_SIZE);
 455        OnError((wxChar *)errBuf.c_str());
 456        return false;
 457     }
 458
 459     if (((bufIndex == 14) && (wxStrncmp(buf, _T("\\end{verbatim}"), 14) == 0)) ||
 460          ((bufIndex == 16) && (wxStrncmp(buf, _T("\\end{toocomplex}"), 16) == 0)))
 461       readInVerbatim = false;
 462
 463     lastChar = ch;
 464     ch = getc(Inputs[CurrentInputIndex]);
 465
 466     if (checkCurlyBraces)
 467     {
 468         if (ch == '{' && !readInVerbatim && lastChar != _T('\\'))
 469            leftCurly++;
 470         if (ch == '}' && !readInVerbatim && lastChar != _T('\\'))
 471         {
 472            rightCurly++;
 473            if (rightCurly > leftCurly)
 474            {
 475                wxString errBuf;
 476                errBuf.Printf(_T("An extra right Curly brace ('}') was detected at line %lu inside file %s"), LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str());
 477                OnError((wxChar *)errBuf.c_str());
 478
 479                // Reduce the count of right Curly braces, so the mismatched count
 480                // isn't reported on every line that has a '}' after the first mismatch
 481                rightCurly--;
 482            }
 483         }
 484     }
 485
 486     if (ch != EOF)
 487     {
 488       // Check for 2 consecutive newlines and replace with \par
 489       if (ch == 10 && !readInVerbatim)
 490       {
 491         int ch1 = getc(Inputs[CurrentInputIndex]);
 492         if ((ch1 == 10) || (ch1 == 13))
 493         {
 494           // Eliminate newline (10) following DOS linefeed
 495           if (ch1 == 13)
 496             getc(Inputs[CurrentInputIndex]);
 497           buf[bufIndex] = 0;
 498           IncrementLineNumber();
 499 //          wxStrcat(buf, "\\par\n");
 500 //          i += 6;
 501           if (bufIndex+5 >= MAX_LINE_BUFFER_SIZE)
 502           {
 503              wxString errBuf;
 504              errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 505                  LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(),MAX_LINE_BUFFER_SIZE);
 506              OnError((wxChar *)errBuf.c_str());
 507              return false;
 508           }
 509           wxStrcat(buf, _T("\\par"));
 510           bufIndex += 5;
 511
 512         }
 513         else
 514         {
 515           ungetc(ch1, Inputs[CurrentInputIndex]);
 516           if (bufIndex >= MAX_LINE_BUFFER_SIZE)
 517           {
 518              wxString errBuf;
 519              errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 520                  LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(),MAX_LINE_BUFFER_SIZE);
 521              OnError((wxChar *)errBuf.c_str());
 522              return false;
 523           }
 524
 525           buf[bufIndex] = (wxChar)ch;
 526           bufIndex ++;
 527         }
 528       }
 529       else
 530       {
 531
 532         // Convert embedded characters to RTF equivalents
 533         switch(ch)
 534         {
 535         case 0xf6: // ö
 536         case 0xe4: // ü
 537         case 0xfc: // ü
 538         case 0xd6: // Ö
 539         case 0xc4: // Ä
 540         case 0xdc: // Ü
 541                 if (bufIndex+5 >= MAX_LINE_BUFFER_SIZE)
 542                 {
 543                    wxString errBuf;
 544                    errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 545                        LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(),MAX_LINE_BUFFER_SIZE);
 546                    OnError((wxChar *)errBuf.c_str());
 547                    return false;
 548                 }
 549                 buf[bufIndex++]='\\';
 550                 buf[bufIndex++]='"';
 551                 buf[bufIndex++]='{';
 552                 switch(ch)
 553                 {
 554                     case 0xf6:buf[bufIndex++]='o';break; // ö
 555                     case 0xe4:buf[bufIndex++]='a';break; // ä
 556                     case 0xfc:buf[bufIndex++]='u';break; // ü
 557                     case 0xd6:buf[bufIndex++]='O';break; // Ö
 558                     case 0xc4:buf[bufIndex++]='A';break; // Ä
 559                     case 0xdc:buf[bufIndex++]='U';break; // Ü
 560                 }
 561                 buf[bufIndex++]='}';
 562                 break;
 563         case 0xdf: // ß
 564             if (bufIndex+5 >= MAX_LINE_BUFFER_SIZE)
 565             {
 566               wxString errBuf;
 567               errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 568                   LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(),MAX_LINE_BUFFER_SIZE);
 569               OnError((wxChar *)errBuf.c_str());
 570               return false;
 571             }
 572             buf[bufIndex++]='\\';
 573             buf[bufIndex++]='s';
 574             buf[bufIndex++]='s';
 575             buf[bufIndex++]='\\';
 576             buf[bufIndex++]='/';
 577             break;
 578         default:
 579             if (bufIndex >= MAX_LINE_BUFFER_SIZE)
 580             {
 581               wxString errBuf;
 582               errBuf.Printf(_T("Line %lu of file %s is too long.  Lines can be no longer than %lu characters.  Truncated."),
 583                   LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str(),MAX_LINE_BUFFER_SIZE);
 584               OnError((wxChar *)errBuf.c_str());
 585               return false;
 586             }
 587             // If the current character read in is a '_', we need to check
 588             // whether there should be a '\' before it or not
 589             if (ch != '_')
 590             {
 591                 buf[bufIndex++] = (wxChar)ch;
 592                 break;
 593             }
 594
 595             if (checkSyntax)
 596             {
 597                 if (readInVerbatim)
 598                 {
 599                     // There should NOT be a '\' before the '_'
 600                     if ((bufIndex > 0 && (buf[bufIndex-1] == '\\')) && (buf[0] != '%'))
 601                     {
 602 //                        wxString errBuf;
 603 //                        errBuf.Printf(_T("An underscore ('_') was detected at line %lu inside file %s that should NOT have a '\\' before it."),
 604 //                            LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str());
 605 //                        OnError((wxChar *)errBuf.c_str());
 606                     }
 607                 }
 608                 else
 609                 {
 610                     // There should be a '\' before the '_'
 611                     if (bufIndex == 0)
 612                     {
 613                         wxString errBuf;
 614                         errBuf.Printf(_T("An underscore ('_') was detected at line %lu inside file %s that may need a '\\' before it."),
 615                             LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str());
 616                         OnError((wxChar *)errBuf.c_str());
 617                     }
 618                     else if ((buf[bufIndex-1] != '\\') && (buf[0] != '%') &&  // If it is a comment line, then no warnings
 619                         (wxStrncmp(buf, _T("\\input"), 6))) // do not report filenames that have underscores in them
 620                     {
 621                         wxString errBuf;
 622                         errBuf.Printf(_T("An underscore ('_') was detected at line %lu inside file %s that may need a '\\' before it."),
 623                             LineNumbers[CurrentInputIndex], (const wxChar*) currentFileName.c_str());
 624                         OnError((wxChar *)errBuf.c_str());
 625                     }
 626                 }
 627             }
 628             buf[bufIndex++] = (wxChar)ch;
 629             break;
 630         }  // switch
 631       }  // else
 632     }
 633     else
 634     {
 635       buf[bufIndex] = 0;
 636       fclose(Inputs[CurrentInputIndex]);
 637       Inputs[CurrentInputIndex] = NULL;
 638       if (CurrentInputIndex > 0)
 639          ch = ' '; // No real end of file
 640       CurrentInputIndex --;
 641
 642       if (checkCurlyBraces)
 643       {
 644           if (leftCurly != rightCurly)
 645           {
 646             wxString errBuf;
 647             errBuf.Printf(_T("Curly braces do not match inside file %s\n%lu opens, %lu closes"),
 648                           (const wxChar*) currentFileName.c_str(),leftCurly,rightCurly);
 649             OnError((wxChar *)errBuf.c_str());
 650           }
 651           leftCurly = 0;
 652           rightCurly = 0;
 653       }
 654
 655       if (readingVerbatim)
 656       {
 657         readingVerbatim = false;
 658         readInVerbatim = false;
 659         wxStrcat(buf, _T("\\end{verbatim}\n"));
 660         return false;
 661       }
 662     }
 663     if (ch == 10)
 664       IncrementLineNumber();
 665   }
 666   buf[bufIndex] = 0;
 667
 668   // Strip out comment environment
 669   if (wxStrncmp(buf, _T("\\begin{comment}"), 15) == 0)
 670   {
 671     while (wxStrncmp(buf, _T("\\end{comment}"), 13) != 0)
 672       read_a_line(buf);
 673     return read_a_line(buf);
 674   }
 675   // Read a verbatim input file as if it were a verbatim environment
 676   else if (wxStrncmp(buf, _T("\\verbatiminput"), 14) == 0)
 677   {
 678     int wordLen = 14;
 679     wxChar *fileName = buf + wordLen + 1;
 680
 681     int j = bufIndex - 1;
 682     buf[j] = 0;
 683
 684     // thing}\par -- eliminate the \par!
 685     if (wxStrncmp((buf + wxStrlen(buf)-5), _T("\\par"), 4) == 0)
 686     {
 687       j -= 5;
 688       buf[j] = 0;
 689     }
 690
 691     if (buf[j-1] == '}')
 692         buf[j-1] = 0; // Ignore final brace
 693
 694     wxString actualFile = TexPathList.FindValidPath(fileName);
 695     currentFileName = actualFile;
 696     if (actualFile.empty())
 697     {
 698       wxString errBuf;
 699       errBuf.Printf(_T("Could not find file: %s"),fileName);
 700       OnError((wxChar *)errBuf.c_str());
 701     }
 702     else
 703     {
 704       wxString informStr;
 705       informStr.Printf(_T("Processing: %s"),actualFile.c_str());
 706       OnInform((wxChar *)informStr.c_str());
 707       CurrentInputIndex ++;
 708
 709       Inputs[CurrentInputIndex] = wxFopen(actualFile, _T("r"));
 710       LineNumbers[CurrentInputIndex] = 1;
 711       if (FileNames[CurrentInputIndex])
 712         delete[] FileNames[CurrentInputIndex];
 713       FileNames[CurrentInputIndex] = copystring(actualFile);
 714
 715       if (!Inputs[CurrentInputIndex])
 716       {
 717         CurrentInputIndex --;
 718         OnError(_T("Could not open verbatiminput file."));
 719       }
 720       else
 721       {
 722         readingVerbatim = true;
 723         readInVerbatim = true;
 724         wxStrcpy(buf, _T("\\begin{verbatim}\n"));
 725         return false;
 726       }
 727     }
 728     return false;
 729   }
 730   else if (wxStrncmp(buf, _T("\\input"), 6) == 0 || wxStrncmp(buf, _T("\\helpinput"), 10) == 0 ||
 731       wxStrncmp(buf, _T("\\include"), 8) == 0)
 732   {
 733     int wordLen;
 734     if (wxStrncmp(buf, _T("\\input"), 6) == 0)
 735       wordLen = 6;
 736     else
 737     if (wxStrncmp(buf, _T("\\include"), 8) == 0)
 738       wordLen = 8;
 739     else
 740       wordLen = 10;
 741
 742     wxChar *fileName = buf + wordLen + 1;
 743
 744     int j = bufIndex - 1;
 745     buf[j] = 0;
 746
 747     // \input{thing}\par -- eliminate the \par!
 748 //    if (wxStrncmp((buf + wxStrlen(buf)-5), "\\par", 4) == 0)
 749     if (wxStrncmp((buf + wxStrlen(buf)-4), _T("\\par"), 4) == 0) // Bug fix 8/2/95 Ulrich Leodolter
 750     {
 751 //      j -= 5;
 752       j -= 4; // Ditto
 753       buf[j] = 0;
 754     }
 755
 756     if (buf[j-1] == _T('}'))
 757         buf[j-1] = 0; // Ignore final brace
 758
 759     // Remove backslashes from name
 760     wxString fileNameStr(fileName);
 761     fileNameStr.Replace(_T("\\"), _T(""));
 762
 763     // Ignore some types of input files (e.g. macro definition files)
 764     wxChar *fileOnly = wxFileNameFromPath((wxChar*) (const wxChar*) fileNameStr);
 765     currentFileName = fileOnly;
 766     if (IgnorableInputFiles.Member(fileOnly))
 767       return read_a_line(buf);
 768
 769     wxString actualFile = TexPathList.FindValidPath(fileNameStr);
 770     if (actualFile.empty())
 771     {
 772       wxChar buf2[400];
 773       wxSnprintf(buf2, sizeof(buf2), _T("%s.tex"), fileNameStr.c_str());
 774       actualFile = TexPathList.FindValidPath(buf2);
 775     }
 776     currentFileName = actualFile;
 777
 778     if (actualFile.empty())
 779     {
 780       wxString errBuf;
 781       errBuf.Printf(_T("Could not find file: %s"),fileName);
 782       OnError((wxChar *)errBuf.c_str());
 783     }
 784     else
 785     {
 786       // Ensure that if this file includes another,
 787       // then we look in the same directory as this one.
 788       TexPathList.EnsureFileAccessible(actualFile);
 789
 790       wxString informStr;
 791       informStr.Printf(_T("Processing: %s"),actualFile.c_str());
 792       OnInform((wxChar *)informStr.c_str());
 793       CurrentInputIndex ++;
 794
 795       Inputs[CurrentInputIndex] = wxFopen(actualFile, _T("r"));
 796       LineNumbers[CurrentInputIndex] = 1;
 797       if (FileNames[CurrentInputIndex])
 798         delete[] FileNames[CurrentInputIndex];
 799       FileNames[CurrentInputIndex] = copystring(actualFile);
 800
 801       if (!Inputs[CurrentInputIndex])
 802       {
 803         wxString errBuf;
 804         errBuf.Printf(_T("Could not open include file %s"), (const wxChar*) actualFile);
 805         CurrentInputIndex --;
 806         OnError((wxChar *)errBuf.c_str());
 807       }
 808     }
 809     bool succ = read_a_line(buf);
 810     return succ;
 811   }
 812
 813   if (checkSyntax)
 814   {
 815       wxString bufStr = buf;
 816       for (int index=0; !syntaxTokens[index].empty(); index++)
 817       {
 818           size_t pos = bufStr.find(syntaxTokens[index]);
 819           if (pos != wxString::npos && pos != 0)
 820           {
 821               size_t commentStart = bufStr.find(_T("%"));
 822               if (commentStart == wxString::npos || commentStart > pos)
 823               {
 824                   wxString errBuf;
 825                   if (syntaxTokens[index] == _T("\\verb"))
 826                   {
 827                       errBuf.Printf(_T("'%s$....$' was detected at line %lu inside file %s.  Please replace this form with \\tt{....}"),
 828                                     syntaxTokens[index].c_str(),
 829                                     LineNumbers[CurrentInputIndex],
 830                                     currentFileName.c_str());
 831                   }
 832                   else
 833                   {
 834                       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."),
 835                                     syntaxTokens[index].c_str(),
 836                                     LineNumbers[CurrentInputIndex],
 837                                     currentFileName.c_str());
 838                   }
 839                   OnError((wxChar *)errBuf.c_str());
 840               }
 841           }
 842       }
 843   }  // checkSyntax
 844
 845   if (wxStrncmp(buf, _T("\\begin{verbatim}"), 16) == 0 ||
 846       wxStrncmp(buf, _T("\\begin{toocomplex}"), 18) == 0)
 847     readInVerbatim = true;
 848   else if (wxStrncmp(buf, _T("\\end{verbatim}"), 14) == 0 ||
 849            wxStrncmp(buf, _T("\\end{toocomplex}"), 16) == 0)
 850     readInVerbatim = false;
 851
 852   if (checkCurlyBraces)
 853   {
 854       if (ch == EOF && leftCurly != rightCurly)
 855       {
 856         wxString errBuf;
 857         errBuf.Printf(_T("Curly braces do not match inside file %s\n%lu opens, %lu closes"),
 858             (const wxChar*) currentFileName.c_str(),leftCurly,rightCurly);
 859         OnError((wxChar *)errBuf.c_str());
 860       }
 861   }
 862
 863   return (ch == EOF);
 864 }  // read_a_line
 865
 866 /*
 867  * Parse newcommand
 868  *
 869  */
 870
 871 bool ParseNewCommand(wxChar *buffer, int *pos)
 872 {
 873   if ((wxStrncmp((buffer+(*pos)), _T("newcommand"), 10) == 0) ||
 874       (wxStrncmp((buffer+(*pos)), _T("renewcommand"), 12) == 0))
 875   {
 876     if (wxStrncmp((buffer+(*pos)), _T("newcommand"), 10) == 0)
 877       *pos = *pos + 12;
 878     else
 879       *pos = *pos + 14;
 880
 881     wxChar commandName[100];
 882     wxChar commandValue[1000];
 883     int noArgs = 0;
 884     int i = 0;
 885     while (buffer[*pos] != _T('}') && (buffer[*pos] != 0))
 886     {
 887       commandName[i] = buffer[*pos];
 888       *pos += 1;
 889       i ++;
 890     }
 891     commandName[i] = 0;
 892     i = 0;
 893     *pos += 1;
 894     if (buffer[*pos] == _T('['))
 895     {
 896       *pos += 1;
 897       noArgs = (int)(buffer[*pos]) - 48;
 898       *pos += 2; // read past argument and '['
 899     }
 900     bool end = false;
 901     int braceCount = 0;
 902     while (!end)
 903     {
 904       wxChar ch = buffer[*pos];
 905       if (ch == _T('{'))
 906         braceCount ++;
 907       else if (ch == _T('}'))
 908       {
 909         braceCount --;
 910         if (braceCount == 0)
 911           end = true;
 912       }
 913       else if (ch == 0)
 914       {
 915         end = !read_a_line(buffer);
 916         wxUnusedVar(end);
 917         *pos = 0;
 918         break;
 919       }
 920       commandValue[i] = ch;
 921       i ++;
 922       *pos += 1;
 923     }
 924     commandValue[i] = 0;
 925
 926     CustomMacro *macro = new CustomMacro(commandName, noArgs, NULL);
 927     if (wxStrlen(commandValue) > 0)
 928       macro->macroBody = copystring(commandValue);
 929     if (!CustomMacroList.Find(commandName))
 930     {
 931       CustomMacroList.Append(commandName, macro);
 932       AddMacroDef(ltCUSTOM_MACRO, commandName, noArgs);
 933     }
 934     return true;
 935   }
 936   else return false;
 937 }
 938
 939 void MacroError(wxChar *buffer)
 940 {
 941   wxString errBuf;
 942   wxChar macroBuf[200];
 943   macroBuf[0] = '\\';
 944   int i = 1;
 945   wxChar ch;
 946   while (((ch = buffer[i-1]) != '\n') && (ch != 0))
 947   {
 948     macroBuf[i] = ch;
 949     i ++;
 950   }
 951   macroBuf[i] = 0;
 952   if (i > 20)
 953     macroBuf[20] = 0;
 954
 955   errBuf.Printf(_T("Could not find macro: %s at line %d, file %s"),
 956              macroBuf, (int)(LineNumbers[CurrentInputIndex]-1), FileNames[CurrentInputIndex]);
 957   OnError((wxChar *)errBuf.c_str());
 958
 959   if (wxStrcmp(macroBuf,_T("\\end{document}")) == 0)
 960   {
 961       OnInform( _T("Halted build due to unrecoverable error.") );
 962       stopRunning = true;
 963   }
 964 }
 965
 966 /*
 967  * Parse an argument.
 968  * 'environment' specifies the name of the macro IFF if we're looking for the end
 969  * of an environment, e.g. \end{itemize}. Otherwise it's NULL.
 970  * 'parseToBrace' is true if the argument should extend to the next right brace,
 971  * e.g. in {\bf an argument} as opposed to \vskip 30pt
 972  *
 973  */
 974 int ParseArg(TexChunk *thisArg, wxList& children, wxChar *buffer, int pos, wxChar *environment, bool parseToBrace, TexChunk *customMacroArgs)
 975 {
 976   Tex2RTFYield();
 977   if (stopRunning) return pos;
 978
 979   bool eof = false;
 980   BigBuffer[0] = 0;
 981   int buf_ptr = 0;
 982   int len;
 983
 984 /*
 985
 986   // Consume leading brace or square bracket, but ONLY if not following
 987   // a space, because this could be e.g. {\large {\bf thing}} where {\bf thing}
 988   // is the argument of \large AS WELL as being a block in its
 989   // own right.
 990   if (!environment)
 991   {
 992     if ((pos > 0) && (buffer[pos-1] != ' ') && buffer[pos] == '{')
 993       pos ++;
 994     else
 995
 996     if ((pos > 0) && (buffer[pos-1] != ' ') && (buffer[pos] == '[' || buffer[pos] == '('))
 997     {
 998       isOptional = true;
 999       pos ++;
1000     }
1001     else if ((pos > 1) && (buffer[pos-1] != ' ') && (buffer[pos+1] == '[' || buffer[pos+1] == '('))
1002     {
1003       isOptional = true;
1004       pos += 2;
1005     }
1006   }
1007 */
1008
1009   // If not parsing to brace, just read the next word
1010   // (e.g. \vskip 20pt)
1011   if (!parseToBrace)
1012   {
1013     int ch = buffer[pos];
1014     while (!eof && ch != 13 && ch != 32 && ch != 10 &&
1015            ch != 0 && ch != '{')
1016     {
1017       BigBuffer[buf_ptr] = (wxChar)ch;
1018       buf_ptr ++;
1019       pos ++;
1020       ch = buffer[pos];
1021     }
1022     if (buf_ptr > 0)
1023     {
1024       TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1025       BigBuffer[buf_ptr] = 0;
1026       chunk->value = copystring(BigBuffer);
1027       children.Append((wxObject *)chunk);
1028     }
1029     return pos;
1030   }
1031
1032   while (!eof)
1033   {
1034     len = wxStrlen(buffer);
1035     if (pos >= len)
1036     {
1037       if (customMacroArgs) return 0;
1038
1039       eof = read_a_line(buffer);
1040       pos = 0;
1041       // Check for verbatim (or toocomplex, which comes to the same thing)
1042       wxString bufStr = buffer;
1043 //      if (bufStr.find("\\begin{verbatim}") != wxString::npos ||
1044 //          bufStr.find("\\begin{toocomplex}") != wxString::npos)
1045       if (wxStrncmp(buffer, _T("\\begin{verbatim}"), 16) == 0 ||
1046           wxStrncmp(buffer, _T("\\begin{toocomplex}"), 18) == 0)
1047       {
1048         if (buf_ptr > 0)
1049         {
1050           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1051           BigBuffer[buf_ptr] = 0;
1052           chunk->value = copystring(BigBuffer);
1053           children.Append((wxObject *)chunk);
1054         }
1055         BigBuffer[0] = 0;
1056         buf_ptr = 0;
1057
1058         eof = read_a_line(buffer);
1059         while (!eof && (wxStrncmp(buffer, _T("\\end{verbatim}"), 14) != 0) &&
1060                        (wxStrncmp(buffer, _T("\\end{toocomplex}"), 16) != 0)
1061                )
1062         {
1063           wxStrcat(BigBuffer, buffer);
1064           buf_ptr += wxStrlen(buffer);
1065           eof = read_a_line(buffer);
1066         }
1067         eof = read_a_line(buffer);
1068         buf_ptr = 0;
1069
1070         TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO, VerbatimMacroDef);
1071         chunk->no_args = 1;
1072         chunk->macroId = ltVERBATIM;
1073         TexChunk *arg = new TexChunk(CHUNK_TYPE_ARG, VerbatimMacroDef);
1074         arg->argn = 1;
1075         arg->macroId = ltVERBATIM;
1076         TexChunk *str = new TexChunk(CHUNK_TYPE_STRING);
1077         str->value = copystring(BigBuffer);
1078
1079         children.Append((wxObject *)chunk);
1080         chunk->children.Append((wxObject *)arg);
1081         arg->children.Append((wxObject *)str);
1082
1083         // Also want to include the following newline (is always a newline
1084         // after a verbatim): EXCEPT in HTML
1085         if (convertMode != TEX_HTML)
1086         {
1087           TexMacroDef *parDef = (TexMacroDef *)MacroDefs.Get(_T("\\"));
1088           TexChunk *parChunk = new TexChunk(CHUNK_TYPE_MACRO, parDef);
1089           parChunk->no_args = 0;
1090           parChunk->macroId = ltBACKSLASHCHAR;
1091           children.Append((wxObject *)parChunk);
1092         }
1093       }
1094     }
1095
1096     wxChar wxCh = buffer[pos];
1097     // End of optional argument -- pretend it's right brace for simplicity
1098     if (thisArg->optional && (wxCh == _T(']')))
1099       wxCh = _T('}');
1100
1101     switch (wxCh)
1102     {
1103       case 0:
1104       case _T('}'):  // End of argument
1105       {
1106         if (buf_ptr > 0)
1107         {
1108           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1109           BigBuffer[buf_ptr] = 0;
1110           chunk->value = copystring(BigBuffer);
1111           children.Append((wxObject *)chunk);
1112         }
1113         if (wxCh == _T('}')) pos ++;
1114         return pos;
1115       }
1116       case _T('\\'):
1117       {
1118         if (buf_ptr > 0)  // Finish off the string we've read so far
1119         {
1120           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1121           BigBuffer[buf_ptr] = 0;
1122           buf_ptr = 0;
1123           chunk->value = copystring(BigBuffer);
1124           children.Append((wxObject *)chunk);
1125         }
1126         pos ++;
1127
1128         // Try matching \end{environment}
1129         if (environment && FindEndEnvironment(buffer, &pos, environment))
1130         {
1131           // Eliminate newline after an \end{} if possible
1132           if (buffer[pos] == 13)
1133           {
1134             pos ++;
1135             if (buffer[pos] == 10)
1136               pos ++;
1137           }
1138           return pos;
1139         }
1140
1141         if (ParseNewCommand(buffer, &pos))
1142           break;
1143
1144         if (wxStrncmp(buffer+pos, _T("special"), 7) == 0)
1145         {
1146           pos += 7;
1147
1148           // Discard {
1149           pos ++;
1150           int noBraces = 1;
1151
1152           wxTex2RTFBuffer[0] = 0;
1153           int i = 0;
1154           bool end = false;
1155           while (!end)
1156           {
1157             wxChar ch = buffer[pos];
1158             if (ch == _T('}'))
1159             {
1160               noBraces --;
1161               if (noBraces == 0)
1162               {
1163                 wxTex2RTFBuffer[i] = 0;
1164                 end = true;
1165               }
1166               else
1167               {
1168                 wxTex2RTFBuffer[i] = _T('}');
1169                 i ++;
1170               }
1171               pos ++;
1172             }
1173             else if (ch == _T('{'))
1174             {
1175               wxTex2RTFBuffer[i] = _T('{');
1176               i ++;
1177               pos ++;
1178             }
1179             else if (ch == _T('\\') && buffer[pos+1] == _T('}'))
1180             {
1181               wxTex2RTFBuffer[i] = _T('}');
1182               pos += 2;
1183               i++;
1184             }
1185             else if (ch == _T('\\') && buffer[pos+1] == _T('{'))
1186             {
1187               wxTex2RTFBuffer[i] = _T('{');
1188               pos += 2;
1189               i++;
1190             }
1191             else
1192             {
1193               wxTex2RTFBuffer[i] = ch;
1194               pos ++;
1195               i ++;
1196               if (ch == 0)
1197                 end = true;
1198             }
1199           }
1200           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1201           chunk->no_args = 1;
1202           chunk->macroId = ltSPECIAL;
1203           TexMacroDef *specialDef = (TexMacroDef *)MacroDefs.Get(_T("special"));
1204           chunk->def = specialDef;
1205           TexChunk *arg = new TexChunk(CHUNK_TYPE_ARG, specialDef);
1206           chunk->children.Append((wxObject *)arg);
1207           arg->argn = 1;
1208           arg->macroId = chunk->macroId;
1209
1210           // The value in the first argument.
1211           TexChunk *argValue = new TexChunk(CHUNK_TYPE_STRING);
1212           arg->children.Append((wxObject *)argValue);
1213           argValue->argn = 1;
1214           argValue->value = copystring(wxTex2RTFBuffer);
1215
1216           children.Append((wxObject *)chunk);
1217         }
1218         else if (wxStrncmp(buffer+pos, _T("verb"), 4) == 0)
1219         {
1220           pos += 4;
1221           if (buffer[pos] == _T('*'))
1222             pos ++;
1223
1224           // Find the delimiter character
1225           wxChar ch = buffer[pos];
1226           pos ++;
1227           // Now at start of verbatim text
1228           int j = pos;
1229           while ((buffer[pos] != ch) && buffer[pos] != 0)
1230             pos ++;
1231           wxChar *val = new wxChar[pos - j + 1];
1232           int i;
1233           for (i = j; i < pos; i++)
1234           {
1235             val[i-j] = buffer[i];
1236           }
1237           val[i-j] = 0;
1238
1239           pos ++;
1240
1241           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1242           chunk->no_args = 1;
1243           chunk->macroId = ltVERB;
1244           TexMacroDef *verbDef = (TexMacroDef *)MacroDefs.Get(_T("verb"));
1245           chunk->def = verbDef;
1246           TexChunk *arg = new TexChunk(CHUNK_TYPE_ARG, verbDef);
1247           chunk->children.Append((wxObject *)arg);
1248           arg->argn = 1;
1249           arg->macroId = chunk->macroId;
1250
1251           // The value in the first argument.
1252           TexChunk *argValue = new TexChunk(CHUNK_TYPE_STRING);
1253           arg->children.Append((wxObject *)argValue);
1254           argValue->argn = 1;
1255           argValue->value = val;
1256
1257           children.Append((wxObject *)chunk);
1258         }
1259         else
1260         {
1261           wxChar *env = NULL;
1262           bool tmpParseToBrace = true;
1263           TexMacroDef *def = MatchMacro(buffer, &pos, &env, &tmpParseToBrace);
1264           if (def)
1265           {
1266           CustomMacro *customMacro = FindCustomMacro(def->name);
1267
1268           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO, def);
1269
1270           chunk->no_args = def->no_args;
1271 //          chunk->name = copystring(def->name);
1272           chunk->macroId = def->macroId;
1273
1274           if  (!customMacro)
1275             children.Append((wxObject *)chunk);
1276
1277           // Eliminate newline after a \begin{} or a \\ if possible
1278           if (env || wxStrcmp(def->name, _T("\\")) == 0)
1279             if (buffer[pos] == 13)
1280             {
1281               pos ++;
1282               if (buffer[pos] == 10)
1283                 pos ++;
1284             }
1285
1286           pos = ParseMacroBody(def->name, chunk, chunk->no_args,
1287                      buffer, pos, env, tmpParseToBrace, customMacroArgs);
1288
1289           // If custom macro, parse the body substituting the above found args.
1290           if (customMacro)
1291           {
1292             if (customMacro->macroBody)
1293             {
1294               wxChar macroBuf[300];
1295 //              wxStrcpy(macroBuf, _T("{"));
1296               wxStrcpy(macroBuf, customMacro->macroBody);
1297               wxStrcat(macroBuf, _T("}"));
1298               ParseArg(thisArg, children, macroBuf, 0, NULL, true, chunk);
1299             }
1300
1301 //            delete chunk; // Might delete children
1302           }
1303         }
1304         else
1305         {
1306           MacroError(buffer+pos);
1307         }
1308         }
1309         break;
1310       }
1311       // Parse constructs like {\bf thing} as if they were
1312       // \bf{thing}
1313       case _T('{'):
1314       {
1315         pos ++;
1316         if (buffer[pos] == _T('\\'))
1317         {
1318           if (buf_ptr > 0)
1319           {
1320             TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1321             BigBuffer[buf_ptr] = 0;
1322             buf_ptr = 0;
1323             chunk->value = copystring(BigBuffer);
1324             children.Append((wxObject *)chunk);
1325           }
1326           pos ++;
1327
1328           wxChar *env;
1329           bool tmpParseToBrace;
1330           TexMacroDef *def = MatchMacro(buffer, &pos, &env, &tmpParseToBrace);
1331           if (def)
1332           {
1333             CustomMacro *customMacro = FindCustomMacro(def->name);
1334
1335             TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO, def);
1336             chunk->no_args = def->no_args;
1337 //            chunk->name = copystring(def->name);
1338             chunk->macroId = def->macroId;
1339             if (!customMacro)
1340               children.Append((wxObject *)chunk);
1341
1342             pos = ParseMacroBody(def->name, chunk, chunk->no_args,
1343                        buffer, pos, NULL, true, customMacroArgs);
1344
1345             // If custom macro, parse the body substituting the above found args.
1346             if (customMacro)
1347             {
1348               if (customMacro->macroBody)
1349               {
1350                 wxChar macroBuf[300];
1351 //                wxStrcpy(macroBuf, _T("{"));
1352                 wxStrcpy(macroBuf, customMacro->macroBody);
1353                 wxStrcat(macroBuf, _T("}"));
1354                 ParseArg(thisArg, children, macroBuf, 0, NULL, true, chunk);
1355               }
1356
1357 //            delete chunk; // Might delete children
1358         }
1359           }
1360           else
1361           {
1362             MacroError(buffer+pos);
1363           }
1364         }
1365         else
1366         {
1367          /*
1368           * If all else fails, we assume that we have
1369           * a pair of braces on their own, so return a `dummy' macro
1370           * definition with just one argument to parse.
1371           */
1372           if (!SoloBlockDef)
1373           {
1374             SoloBlockDef = new TexMacroDef(ltSOLO_BLOCK, _T("solo block"), 1, false);
1375           }
1376           // Save text so far
1377           if (buf_ptr > 0)
1378           {
1379             TexChunk *chunk1 = new TexChunk(CHUNK_TYPE_STRING);
1380             BigBuffer[buf_ptr] = 0;
1381             buf_ptr = 0;
1382             chunk1->value = copystring(BigBuffer);
1383             children.Append((wxObject *)chunk1);
1384           }
1385           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO, SoloBlockDef);
1386           chunk->no_args = SoloBlockDef->no_args;
1387 //          chunk->name = copystring(SoloBlockDef->name);
1388           chunk->macroId = SoloBlockDef->macroId;
1389           children.Append((wxObject *)chunk);
1390
1391           TexChunk *arg = new TexChunk(CHUNK_TYPE_ARG, SoloBlockDef);
1392
1393           chunk->children.Append((wxObject *)arg);
1394 //          arg->name = copystring(SoloBlockDef->name);
1395           arg->argn = 1;
1396           arg->macroId = chunk->macroId;
1397
1398           pos = ParseArg(arg, arg->children, buffer, pos, NULL, true, customMacroArgs);
1399         }
1400         break;
1401       }
1402       case _T('$'):
1403       {
1404         if (buf_ptr > 0)
1405         {
1406           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1407           BigBuffer[buf_ptr] = 0;
1408           buf_ptr = 0;
1409           chunk->value = copystring(BigBuffer);
1410           children.Append((wxObject *)chunk);
1411         }
1412
1413         pos ++;
1414
1415         if (buffer[pos] == _T('$'))
1416         {
1417           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1418           chunk->no_args = 0;
1419 //          chunk->name = copystring(_T("$$"));
1420           chunk->macroId = ltSPECIALDOUBLEDOLLAR;
1421           children.Append((wxObject *)chunk);
1422           pos ++;
1423         }
1424         else
1425         {
1426           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1427           chunk->no_args = 0;
1428 //          chunk->name = copystring(_T("_$"));
1429           chunk->macroId = ltSPECIALDOLLAR;
1430           children.Append((wxObject *)chunk);
1431         }
1432         break;
1433       }
1434       case _T('~'):
1435       {
1436         if (buf_ptr > 0)
1437         {
1438           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1439           BigBuffer[buf_ptr] = 0;
1440           buf_ptr = 0;
1441           chunk->value = copystring(BigBuffer);
1442           children.Append((wxObject *)chunk);
1443         }
1444
1445         pos ++;
1446         TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1447         chunk->no_args = 0;
1448 //        chunk->name = copystring(_T("_~"));
1449         chunk->macroId = ltSPECIALTILDE;
1450         children.Append((wxObject *)chunk);
1451         break;
1452       }
1453       case _T('#'): // Either treat as a special TeX character or as a macro arg
1454       {
1455         if (buf_ptr > 0)
1456         {
1457           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1458           BigBuffer[buf_ptr] = 0;
1459           buf_ptr = 0;
1460           chunk->value = copystring(BigBuffer);
1461           children.Append((wxObject *)chunk);
1462         }
1463
1464         pos ++;
1465         if (!customMacroArgs)
1466         {
1467           TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1468           chunk->no_args = 0;
1469 //          chunk->name = copystring(_T("_#"));
1470           chunk->macroId = ltSPECIALHASH;
1471           children.Append((wxObject *)chunk);
1472         }
1473         else
1474         {
1475           if (isdigit(buffer[pos]))
1476           {
1477             int n = buffer[pos] - 48;
1478             pos ++;
1479             wxNode *node = customMacroArgs->children.Item(n-1);
1480             if (node)
1481             {
1482               TexChunk *argChunk = (TexChunk *)node->GetData();
1483               children.Append((wxObject *)new TexChunk(*argChunk));
1484             }
1485           }
1486         }
1487         break;
1488       }
1489       case _T('&'):
1490       {
1491         // Remove white space before and after the ampersand,
1492         // since this is probably a table column separator with
1493         // some convenient -- but useless -- white space in the text.
1494         while ((buf_ptr > 0) && ((BigBuffer[buf_ptr-1] == _T(' ')) || (BigBuffer[buf_ptr-1] == 9)))
1495           buf_ptr --;
1496
1497         if (buf_ptr > 0)
1498         {
1499           TexChunk *chunk = new TexChunk(CHUNK_TYPE_STRING);
1500           BigBuffer[buf_ptr] = 0;
1501           buf_ptr = 0;
1502           chunk->value = copystring(BigBuffer);
1503           children.Append((wxObject *)chunk);
1504         }
1505
1506         pos ++;
1507
1508         while (buffer[pos] == _T(' ') || buffer[pos] == 9)
1509           pos ++;
1510
1511         TexChunk *chunk = new TexChunk(CHUNK_TYPE_MACRO);
1512         chunk->no_args = 0;
1513 //        chunk->name = copystring(_T("_&"));
1514         chunk->macroId = ltSPECIALAMPERSAND;
1515         children.Append((wxObject *)chunk);
1516         break;
1517       }
1518       // Eliminate end-of-line comment
1519       case _T('%'):
1520       {
1521         wxCh = buffer[pos];
1522         while (wxCh != 10 && wxCh != 13 && wxCh != 0)
1523         {
1524           pos ++;
1525           wxCh = buffer[pos];
1526         }
1527         if (buffer[pos] == 10 || buffer[pos] == 13)
1528         {
1529           pos ++;
1530           if (buffer[pos] == 10) pos ++; // Eliminate newline following DOS line feed
1531         }
1532         break;
1533       }
1534       // Eliminate tab
1535       case 9:
1536       {
1537         BigBuffer[buf_ptr] = _T(' ');
1538         BigBuffer[buf_ptr+1] = 0;
1539         buf_ptr ++;
1540         pos ++;
1541         break;
1542       }
1543       default:
1544       {
1545         BigBuffer[buf_ptr] = wxCh;
1546         BigBuffer[buf_ptr+1] = 0;
1547         buf_ptr ++;
1548         pos ++;
1549         break;
1550       }
1551     }
1552   }
1553   return pos;
1554 }
1555
1556 /*
1557  * Consume as many arguments as the macro definition specifies
1558  *
1559  */
1560
1561 int ParseMacroBody(const wxChar *WXUNUSED(macro_name), TexChunk *parent,
1562                    int no_args, wxChar *buffer, int pos,
1563                    wxChar *environment, bool parseToBrace,
1564                    TexChunk *customMacroArgs)
1565 {
1566   Tex2RTFYield();
1567   if (stopRunning) return pos;
1568
1569   // Check for a first optional argument
1570   if (buffer[pos] == ' ' && buffer[pos+1] == '[')
1571   {
1572     // Fool following code into thinking that this is definitely
1573     // an optional first argument. (If a space before a non-first argument,
1574     // [ is interpreted as a [, not an optional argument.)
1575     buffer[pos] = '!';
1576     pos ++;
1577     no_args ++;
1578   }
1579   else
1580     if (buffer[pos] == '[')
1581       no_args ++;
1582
1583   int maxArgs = 0;
1584
1585   int i;
1586   for (i = 0; i < no_args; i++)
1587   {
1588     maxArgs ++;
1589     TexChunk *arg = new TexChunk(CHUNK_TYPE_ARG, parent->def);
1590
1591     parent->children.Append((wxObject *)arg);
1592 //    arg->name = copystring(macro_name);
1593     arg->argn = maxArgs;
1594     arg->macroId = parent->macroId;
1595
1596     // To parse the first arg of a 2 arg \begin{thing}{arg} ... \end{thing}
1597     // have to fool parser into thinking this is a regular kind of block.
1598     wxChar *actualEnv;
1599     if ((no_args == 2) && (i == 0))
1600       actualEnv = NULL;
1601     else
1602       actualEnv = environment;
1603
1604     bool isOptional = false;
1605
1606     // Remove the first { of the argument so it doesn't get recognized as { ... }
1607 //    EatWhiteSpace(buffer, &pos);
1608     if (!actualEnv)
1609     {
1610       // The reason for these tests is to not consume braces that don't
1611       // belong to this macro.
1612       // E.g. {\bf {\small thing}}
1613       if ((pos > 0) && (buffer[pos-1] != ' ') && buffer[pos] == '{')
1614         pos ++;
1615       else
1616       if ((pos > 0) && (buffer[pos-1] != ' ') && (buffer[pos] == '['))
1617       {
1618         isOptional = true;
1619         pos ++;
1620       }
1621       else if ((pos > 1) && (buffer[pos-1] != ' ') && (buffer[pos+1] == '['))
1622       {
1623         isOptional = true;
1624         pos += 2;
1625       }
1626       else if (i > 0)
1627       {
1628         wxString errBuf;
1629         wxString tmpBuffer(buffer);
1630         if (tmpBuffer.length() > 4)
1631         {
1632             if (tmpBuffer.Right(4) == _T("\\par"))
1633                 tmpBuffer = tmpBuffer.Mid(0,tmpBuffer.length()-4);
1634         }
1635         errBuf.Printf(_T("Missing macro argument in the line:\n\t%s\n"),tmpBuffer.c_str());
1636         OnError((wxChar *)errBuf.c_str());
1637       }
1638
1639     }
1640     arg->optional = isOptional;
1641
1642     pos = ParseArg(arg, arg->children, buffer, pos, actualEnv, parseToBrace, customMacroArgs);
1643
1644     // If we've encountered an OPTIONAL argument, go another time around
1645     // the loop, because we've got more than we thought.
1646     // Hopefully optional args don't occur at the end of a macro use
1647     // or we might miss it.
1648     // Don't increment no of times round loop if the first optional arg
1649     // -- we already did it before the loop.
1650     if (arg->optional && (i > 0))
1651       i --;
1652   }
1653   parent->no_args = maxArgs;
1654
1655   // Tell each argument how many args there are (useful when processing an arg)
1656   wxNode *node = parent->children.GetFirst();
1657   while (node)
1658   {
1659     TexChunk *chunk = (TexChunk *)node->GetData();
1660     chunk->no_args = maxArgs;
1661     node = node->GetNext();
1662   }
1663   return pos;
1664 }
1665
1666 bool TexLoadFile(const wxString& filename)
1667 {
1668     static wxChar *line_buffer;
1669     stopRunning = false;
1670     wxStrcpy(TexFileRoot, filename);
1671     StripExtension(TexFileRoot);
1672     wxSnprintf(TexBibName, 300, _T("%s.bb"), TexFileRoot);
1673     wxSnprintf(TexTmpBibName, 300, _T("%s.bb1"), TexFileRoot);
1674
1675     TexPathList.EnsureFileAccessible(filename);
1676
1677     if (line_buffer)
1678         delete line_buffer;
1679
1680     line_buffer = new wxChar[MAX_LINE_BUFFER_SIZE];
1681
1682     Inputs[0] = wxFopen(filename, _T("r"));
1683     LineNumbers[0] = 1;
1684     FileNames[0] = copystring(filename);
1685     if (Inputs[0])
1686     {
1687         read_a_line(line_buffer);
1688         ParseMacroBody(_T("toplevel"), TopLevel, 1, line_buffer, 0, NULL, true);
1689         if (Inputs[0]) fclose(Inputs[0]);
1690         return true;
1691     }
1692
1693     return false;
1694 }
1695
1696 TexMacroDef::TexMacroDef(int the_id, const wxChar *the_name, int n, bool ig, bool forbidLevel)
1697 {
1698   name = copystring(the_name);
1699   no_args = n;
1700   ignore = ig;
1701   macroId = the_id;
1702   forbidden = forbidLevel;
1703 }
1704
1705 TexMacroDef::~TexMacroDef(void)
1706 {
1707   if (name) delete[] name;
1708 }
1709
1710 TexChunk::TexChunk(int the_type, TexMacroDef *the_def)
1711 {
1712   type = the_type;
1713   no_args = 0;
1714   argn = 0;
1715 //  name = NULL;
1716   def = the_def;
1717   macroId = 0;
1718   value = NULL;
1719   optional = false;
1720 }
1721
1722 TexChunk::TexChunk(TexChunk& toCopy)
1723 {
1724   type = toCopy.type;
1725   no_args = toCopy.no_args;
1726   argn = toCopy.argn;
1727   macroId = toCopy.macroId;
1728
1729 //  if (toCopy.name)
1730 //    name = copystring(toCopy.name);
1731 //  else
1732 //    name = NULL;
1733   def = toCopy.def;
1734
1735   if (toCopy.value)
1736     value = copystring(toCopy.value);
1737   else
1738     value = NULL;
1739
1740   optional = toCopy.optional;
1741   wxNode *node = toCopy.children.GetFirst();
1742   while (node)
1743   {
1744     TexChunk *child = (TexChunk *)node->GetData();
1745     children.Append((wxObject *)new TexChunk(*child));
1746     node = node->GetNext();
1747   }
1748 }
1749
1750 TexChunk::~TexChunk(void)
1751 {
1752 //  if (name) delete[] name;
1753   if (value) delete[] value;
1754   wxNode *node = children.GetFirst();
1755   while (node)
1756   {
1757     TexChunk *child = (TexChunk *)node->GetData();
1758     delete child;
1759     wxNode *next = node->GetNext();
1760     delete node;
1761     node = next;
1762   }
1763 }
1764
1765 bool IsArgOptional(void)  // Is this argument an optional argument?
1766 {
1767   return isArgOptional;
1768 }
1769
1770 int GetNoArgs(void) // Number of args for this macro
1771 {
1772   return noArgs;
1773 }
1774
1775 /* Gets the text of a chunk on request (must be for small arguments
1776  * only!)
1777  *
1778  */
1779
1780 void GetArgData1(TexChunk *chunk)
1781 {
1782   switch (chunk->type)
1783   {
1784     case CHUNK_TYPE_MACRO:
1785     {
1786       TexMacroDef *def = chunk->def;
1787       if (def && def->ignore)
1788         return;
1789
1790       if (def && (wxStrcmp(def->name, _T("solo block")) != 0))
1791       {
1792         wxStrcat(currentArgData, _T("\\"));
1793         wxStrcat(currentArgData, def->name);
1794       }
1795
1796       wxNode *node = chunk->children.GetFirst();
1797       while (node)
1798       {
1799         TexChunk *child_chunk = (TexChunk *)node->GetData();
1800         wxStrcat(currentArgData, _T("{"));
1801         GetArgData1(child_chunk);
1802         wxStrcat(currentArgData, _T("}"));
1803         node = node->GetNext();
1804       }
1805       break;
1806     }
1807     case CHUNK_TYPE_ARG:
1808     {
1809       wxNode *node = chunk->children.GetFirst();
1810       while (node)
1811       {
1812         TexChunk *child_chunk = (TexChunk *)node->GetData();
1813         GetArgData1(child_chunk);
1814         node = node->GetNext();
1815       }
1816       break;
1817     }
1818     case CHUNK_TYPE_STRING:
1819     {
1820       if (chunk->value)
1821         wxStrcat(currentArgData, chunk->value);
1822       break;
1823     }
1824   }
1825 }
1826
1827 wxChar *GetArgData(TexChunk *WXUNUSED(chunk))
1828 {
1829   currentArgData[0] = 0;
1830   GetArgData1(currentArgument);
1831   haveArgData = false;
1832   return currentArgData;
1833 }
1834
1835 wxChar *GetArgData(void)
1836 {
1837   if (!haveArgData)
1838   {
1839     currentArgData[0] = 0;
1840     GetArgData1(currentArgument);
1841   }
1842   return currentArgData;
1843 }
1844
1845 TexChunk *GetArgChunk(void)
1846 {
1847   return currentArgument;
1848 }
1849
1850 TexChunk *GetNextChunk(void)     // Look ahead to the next chunk
1851 {
1852   return nextChunk;
1853 }
1854
1855 TexChunk *GetTopLevelChunk(void)
1856 {
1857   return TopLevel;
1858 }
1859
1860 int GetCurrentColumn(void)
1861 {
1862   return currentColumn;
1863 }
1864
1865 /*
1866  * Traverses document calling functions to allow the client to
1867  * write out the appropriate stuff
1868  */
1869
1870
1871 void TraverseFromChunk(TexChunk *chunk, wxNode *thisNode, bool childrenOnly)
1872 {
1873   Tex2RTFYield();
1874   if (stopRunning) return;
1875
1876   switch (chunk->type)
1877   {
1878     case CHUNK_TYPE_MACRO:
1879     {
1880       TexMacroDef *def = chunk->def;
1881       if (def && def->ignore)
1882         return;
1883
1884       if (!childrenOnly)
1885         OnMacro(chunk->macroId, chunk->no_args, true);
1886
1887       wxNode *node = chunk->children.GetFirst();
1888       while (node)
1889       {
1890         TexChunk *child_chunk = (TexChunk *)node->GetData();
1891         TraverseFromChunk(child_chunk, node);
1892         node = node->GetNext();
1893       }
1894
1895       if (thisNode && thisNode->GetNext())
1896           nextChunk = (TexChunk *)thisNode->GetNext()->GetData();
1897
1898       if (!childrenOnly)
1899         OnMacro(chunk->macroId, chunk->no_args, false);
1900       break;
1901     }
1902     case CHUNK_TYPE_ARG:
1903     {
1904       currentArgument = chunk;
1905
1906       isArgOptional = chunk->optional;
1907       noArgs = chunk->no_args;
1908
1909       // If OnArgument returns false, don't output.
1910
1911       if (childrenOnly || OnArgument(chunk->macroId, chunk->argn, true))
1912       {
1913         wxNode *node = chunk->children.GetFirst();
1914         while (node)
1915         {
1916           TexChunk *child_chunk = (TexChunk *)node->GetData();
1917           TraverseFromChunk(child_chunk, node);
1918           node = node->GetNext();
1919         }
1920       }
1921
1922       currentArgument = chunk;
1923
1924       if (thisNode && thisNode->GetNext())
1925           nextChunk = (TexChunk *)thisNode->GetNext()->GetData();
1926
1927       isArgOptional = chunk->optional;
1928       noArgs = chunk->no_args;
1929
1930       if (!childrenOnly)
1931         (void)OnArgument(chunk->macroId, chunk->argn, false);
1932       break;
1933     }
1934     case CHUNK_TYPE_STRING:
1935     {
1936       extern int issuedNewParagraph;
1937       extern int forbidResetPar;
1938       if (chunk->value && (forbidResetPar == 0))
1939       {
1940         // If non-whitespace text, we no longer have a new paragraph.
1941         if (issuedNewParagraph && !((chunk->value[0] == 10 || chunk->value[0] == 13 || chunk->value[0] == 32)
1942                                     && chunk->value[1] == 0))
1943         {
1944           issuedNewParagraph = false;
1945         }
1946         TexOutput(chunk->value, true);
1947       }
1948       break;
1949     }
1950   }
1951 }
1952
1953 void TraverseDocument(void)
1954 {
1955   TraverseFromChunk(TopLevel, NULL);
1956 }
1957
1958 void SetCurrentOutput(FILE *fd)
1959 {
1960   CurrentOutput1 = fd;
1961   CurrentOutput2 = NULL;
1962 }
1963
1964 void SetCurrentOutputs(FILE *fd1, FILE *fd2)
1965 {
1966   CurrentOutput1 = fd1;
1967   CurrentOutput2 = fd2;
1968 }
1969
1970 void AddMacroDef(int the_id, const wxChar *name, int n, bool ignore, bool forbid)
1971 {
1972   MacroDefs.Put(name, new TexMacroDef(the_id, name, n, ignore, forbid));
1973 }
1974
1975 void TexInitialize(int bufSize)
1976 {
1977   InitialiseColourTable();
1978 #ifdef __WXMSW__
1979   TexPathList.AddEnvList(_T("TEXINPUT"));
1980 #endif
1981 #ifdef __UNIX__
1982   TexPathList.AddEnvList(_T("TEXINPUTS"));
1983 #endif
1984   int i;
1985   for (i = 0; i < 15; i++)
1986   {
1987     Inputs[i] = NULL;
1988     LineNumbers[i] = 1;
1989     FileNames[i] = NULL;
1990   }
1991
1992   IgnorableInputFiles.Add(_T("psbox.tex"));
1993   BigBuffer = new wxChar[(bufSize*1000)];
1994   currentArgData = new wxChar[2000];
1995   TexFileRoot = new wxChar[300];
1996   TexBibName = new wxChar[300];
1997   TexTmpBibName = new wxChar[300];
1998   AddMacroDef(ltTOPLEVEL, _T("toplevel"), 1);
1999   TopLevel = new TexChunk(CHUNK_TYPE_MACRO);
2000 //  TopLevel->name = copystring(_T("toplevel"));
2001   TopLevel->macroId = ltTOPLEVEL;
2002   TopLevel->no_args = 1;
2003   VerbatimMacroDef = (TexMacroDef *)MacroDefs.Get(_T("verbatim"));
2004 }
2005
2006 void TexCleanUp(void)
2007 {
2008   int i;
2009   for (i = 0; i < 15; i++)
2010     Inputs[i] = NULL;
2011
2012   chapterNo = 0;
2013   sectionNo = 0;
2014   subsectionNo = 0;
2015   subsubsectionNo = 0;
2016   figureNo = 0;
2017
2018   CurrentOutput1 = NULL;
2019   CurrentOutput2 = NULL;
2020   CurrentInputIndex = 0;
2021   haveArgData = false;
2022   noArgs = 0;
2023
2024   if (TopLevel)
2025     delete TopLevel;
2026   TopLevel = new TexChunk(CHUNK_TYPE_MACRO);
2027 //  TopLevel->name = copystring(_T("toplevel"));
2028   TopLevel->macroId = ltTOPLEVEL;
2029   TopLevel->no_args = 1;
2030
2031   DocumentTitle = NULL;
2032   DocumentAuthor = NULL;
2033   DocumentDate = NULL;
2034   DocumentStyle = LATEX_REPORT;
2035   MinorDocumentStyle = 0;
2036   BibliographyStyleString = copystring(_T("plain"));
2037   DocumentStyleString = copystring(_T("report"));
2038   MinorDocumentStyleString = NULL;
2039
2040   // gt - Changed this so if this is the final pass
2041   // then we DO want to remove these macros, so that
2042   // memory is not MASSIVELY leaked if the user
2043   // does not exit the program, but instead runs
2044   // the program again
2045   if ((passNumber == 1 && !runTwice) ||
2046       (passNumber == 2 && runTwice))
2047   {
2048 /* Don't want to remove custom macros after each pass.*/
2049       SetFontSizes(10);
2050       wxNode *node = CustomMacroList.GetFirst();
2051       while (node)
2052       {
2053         CustomMacro *macro = (CustomMacro *)node->GetData();
2054         delete macro;
2055         delete node;
2056         node = CustomMacroList.GetFirst();
2057       }
2058   }
2059 /**/
2060   TexReferences.BeginFind();
2061   wxHashTable::Node *refNode = TexReferences.Next();
2062   while (refNode)
2063   {
2064     TexRef *ref = (TexRef *)refNode->GetData();
2065     delete ref;
2066     refNode = TexReferences.Next();
2067   }
2068   TexReferences.Clear();
2069
2070   wxNode* bibNode = BibList.GetFirst();
2071   while (bibNode)
2072   {
2073     BibEntry *entry = (BibEntry *)bibNode->GetData();
2074     delete entry;
2075     delete bibNode;
2076     bibNode = BibList.GetFirst();
2077   }
2078   CitationList.Clear();
2079   ResetTopicCounter();
2080 }
2081
2082 // There is likely to be one set of macros used by all utilities.
2083 void DefineDefaultMacros(void)
2084 {
2085   // Put names which subsume other names at the TOP
2086   // so they get recognized first
2087
2088   AddMacroDef(ltACCENT_GRAVE,        _T("`"), 1);
2089   AddMacroDef(ltACCENT_ACUTE,        _T("'"), 1);
2090   AddMacroDef(ltACCENT_CARET,        _T("^"), 1);
2091   AddMacroDef(ltACCENT_UMLAUT,       _T("\""), 1);
2092   AddMacroDef(ltACCENT_TILDE,        _T("~"), 1);
2093   AddMacroDef(ltACCENT_DOT,          _T("."), 1);
2094   AddMacroDef(ltACCENT_CADILLA,      _T("c"), 1);
2095   AddMacroDef(ltSMALLSPACE1,         _T(","), 0);
2096   AddMacroDef(ltSMALLSPACE2,         _T(";"), 0);
2097
2098   AddMacroDef(ltABSTRACT,            _T("abstract"), 1);
2099   AddMacroDef(ltADDCONTENTSLINE,     _T("addcontentsline"), 3);
2100   AddMacroDef(ltADDTOCOUNTER,        _T("addtocounter"), 2);
2101   AddMacroDef(ltALEPH,               _T("aleph"), 0);
2102   AddMacroDef(ltALPHA,               _T("alpha"), 0);
2103   AddMacroDef(ltALPH1,               _T("alph"), 1);
2104   AddMacroDef(ltALPH2,               _T("Alph"), 1);
2105   AddMacroDef(ltANGLE,               _T("angle"), 0);
2106   AddMacroDef(ltAPPENDIX,            _T("appendix"), 0);
2107   AddMacroDef(ltAPPROX,              _T("approx"), 0);
2108   AddMacroDef(ltARABIC,              _T("arabic"), 1);
2109   AddMacroDef(ltARRAY,               _T("array"), 1);
2110   AddMacroDef(ltAST,                 _T("ast"), 0);
2111   AddMacroDef(ltASYMP,               _T("asymp"), 0);
2112   AddMacroDef(ltAUTHOR,              _T("author"), 1);
2113
2114   AddMacroDef(ltBACKGROUNDCOLOUR,    _T("backgroundcolour"), 1);
2115   AddMacroDef(ltBACKGROUNDIMAGE,     _T("backgroundimage"), 1);
2116   AddMacroDef(ltBACKGROUND,          _T("background"), 1);
2117   AddMacroDef(ltBACKSLASHRAW,        _T("backslashraw"), 0);
2118   AddMacroDef(ltBACKSLASH,           _T("backslash"), 0);
2119   AddMacroDef(ltBASELINESKIP,        _T("baselineskip"), 1);
2120   AddMacroDef(ltBCOL,                _T("bcol"), 2);
2121   AddMacroDef(ltBETA,                _T("beta"), 0);
2122   AddMacroDef(ltBFSERIES,            _T("bfseries"), 1);
2123   AddMacroDef(ltBF,                  _T("bf"), 1);
2124   AddMacroDef(ltBIBITEM,             _T("bibitem"), 2);
2125              // For convenience, bibitem has 2 args: label and item.
2126                               // The Latex syntax permits writing as 2 args.
2127   AddMacroDef(ltBIBLIOGRAPHYSTYLE,   _T("bibliographystyle"), 1);
2128   AddMacroDef(ltBIBLIOGRAPHY,        _T("bibliography"), 1);
2129   AddMacroDef(ltBIGTRIANGLEDOWN,     _T("bigtriangledown"), 0);
2130   AddMacroDef(ltBOT,                 _T("bot"), 0);
2131   AddMacroDef(ltBOXIT,               _T("boxit"), 1);
2132   AddMacroDef(ltBOX,                 _T("box"), 0);
2133   AddMacroDef(ltBRCLEAR,             _T("brclear"), 0);
2134   AddMacroDef(ltBULLET,              _T("bullet"), 0);
2135
2136   AddMacroDef(ltCAPTIONSTAR,         _T("caption*"), 1);
2137   AddMacroDef(ltCAPTION,             _T("caption"), 1);
2138   AddMacroDef(ltCAP,                 _T("cap"), 0);
2139   AddMacroDef(ltCDOTS,               _T("cdots"), 0);
2140   AddMacroDef(ltCDOT,                _T("cdot"), 0);
2141   AddMacroDef(ltCENTERLINE,          _T("centerline"), 1);
2142   AddMacroDef(ltCENTERING,           _T("centering"), 0);
2143   AddMacroDef(ltCENTER,              _T("center"), 1);
2144   AddMacroDef(ltCEXTRACT,            _T("cextract"), 0);
2145   AddMacroDef(ltCHAPTERHEADING,      _T("chapterheading"), 1);
2146   AddMacroDef(ltCHAPTERSTAR,         _T("chapter*"), 1);
2147   AddMacroDef(ltCHAPTER,             _T("chapter"), 1);
2148   AddMacroDef(ltCHI,                 _T("chi"), 0);
2149   AddMacroDef(ltCINSERT,             _T("cinsert"), 0);
2150   AddMacroDef(ltCIRC,                _T("circ"), 0);
2151   AddMacroDef(ltCITE,                _T("cite"), 1);
2152   AddMacroDef(ltCLASS,               _T("class"), 1);
2153   AddMacroDef(ltCLEARDOUBLEPAGE,     _T("cleardoublepage"), 0);
2154   AddMacroDef(ltCLEARPAGE,           _T("clearpage"), 0);
2155   AddMacroDef(ltCLINE,               _T("cline"), 1);
2156   AddMacroDef(ltCLIPSFUNC,           _T("clipsfunc"), 3);
2157   AddMacroDef(ltCLUBSUIT,            _T("clubsuit"), 0);
2158   AddMacroDef(ltCOLUMNSEP,           _T("columnsep"), 1);
2159   AddMacroDef(ltCOMMENT,             _T("comment"), 1, true);
2160   AddMacroDef(ltCONG,                _T("cong"), 0);
2161   AddMacroDef(ltCOPYRIGHT,           _T("copyright"), 0);
2162   AddMacroDef(ltCPARAM,              _T("cparam"), 2);
2163   AddMacroDef(ltCHEAD,               _T("chead"), 1);
2164   AddMacroDef(ltCFOOT,               _T("cfoot"), 1);
2165   AddMacroDef(ltCUP,                 _T("cup"), 0);
2166
2167   AddMacroDef(ltDASHV,               _T("dashv"), 0);
2168   AddMacroDef(ltDATE,                _T("date"), 1);
2169   AddMacroDef(ltDELTA,               _T("delta"), 0);
2170   AddMacroDef(ltCAP_DELTA,           _T("Delta"), 0);
2171   AddMacroDef(ltDEFINECOLOUR,        _T("definecolour"), 4);
2172   AddMacroDef(ltDEFINECOLOR,         _T("definecolor"), 4);
2173   AddMacroDef(ltDESCRIPTION,         _T("description"), 1);
2174   AddMacroDef(ltDESTRUCT,            _T("destruct"), 1);
2175   AddMacroDef(ltDIAMOND2,            _T("diamond2"), 0);
2176   AddMacroDef(ltDIAMOND,             _T("diamond"), 0);
2177   AddMacroDef(ltDIV,                 _T("div"), 0);
2178   AddMacroDef(ltDOCUMENTCLASS,       _T("documentclass"), 1);
2179   AddMacroDef(ltDOCUMENTSTYLE,       _T("documentstyle"), 1);
2180   AddMacroDef(ltDOCUMENT,            _T("document"), 1);
2181   AddMacroDef(ltDOUBLESPACE,         _T("doublespace"), 1);
2182   AddMacroDef(ltDOTEQ,               _T("doteq"), 0);
2183   AddMacroDef(ltDOWNARROW,           _T("downarrow"), 0);
2184   AddMacroDef(ltDOWNARROW2,          _T("Downarrow"), 0);
2185
2186   AddMacroDef(ltEMPTYSET,            _T("emptyset"), 0);
2187   AddMacroDef(ltEMPH,                _T("emph"), 1);
2188   AddMacroDef(ltEM,                  _T("em"), 1);
2189   AddMacroDef(ltENUMERATE,           _T("enumerate"), 1);
2190   AddMacroDef(ltEPSILON,             _T("epsilon"), 0);
2191   AddMacroDef(ltEQUATION,            _T("equation"), 1);
2192   AddMacroDef(ltEQUIV,               _T("equiv"), 0);
2193   AddMacroDef(ltETA,                 _T("eta"), 0);
2194   AddMacroDef(ltEVENSIDEMARGIN,      _T("evensidemargin"), 1);
2195   AddMacroDef(ltEXISTS,              _T("exists"), 0);
2196
2197   AddMacroDef(ltFBOX,                _T("fbox"), 1);
2198   AddMacroDef(ltFCOL,                _T("fcol"), 2);
2199   AddMacroDef(ltFIGURE,              _T("figure"), 1);
2200   AddMacroDef(ltFIGURESTAR,          _T("figure*"), 1);
2201   AddMacroDef(ltFLUSHLEFT,           _T("flushleft"), 1);
2202   AddMacroDef(ltFLUSHRIGHT,          _T("flushright"), 1);
2203   AddMacroDef(ltFOLLOWEDLINKCOLOUR,  _T("followedlinkcolour"), 1);
2204   AddMacroDef(ltFOOTHEIGHT,          _T("footheight"), 1);
2205   AddMacroDef(ltFOOTNOTEPOPUP,       _T("footnotepopup"), 2);
2206   AddMacroDef(ltFOOTNOTE,            _T("footnote"), 1);
2207   AddMacroDef(ltFOOTSKIP,            _T("footskip"), 1);
2208   AddMacroDef(ltFORALL,              _T("forall"), 0);
2209   AddMacroDef(ltFRAMEBOX,            _T("framebox"), 1);
2210   AddMacroDef(ltFROWN,               _T("frown"), 0);
2211   AddMacroDef(ltFUNCTIONSECTION,     _T("functionsection"), 1);
2212   AddMacroDef(ltFUNC,                _T("func"), 3);
2213   AddMacroDef(ltFOOTNOTESIZE,        _T("footnotesize"), 0);
2214   AddMacroDef(ltFANCYPLAIN,          _T("fancyplain"), 2);
2215
2216   AddMacroDef(ltGAMMA,               _T("gamma"), 0);
2217   AddMacroDef(ltCAP_GAMMA,           _T("Gamma"), 0);
2218   AddMacroDef(ltGEQ,                 _T("geq"), 0);
2219   AddMacroDef(ltGE,                  _T("ge"), 0);
2220   AddMacroDef(ltGG,                  _T("gg"), 0);
2221   AddMacroDef(ltGLOSSARY,            _T("glossary"), 1);
2222   AddMacroDef(ltGLOSS,               _T("gloss"), 1);
2223
2224   AddMacroDef(ltHEADHEIGHT,          _T("headheight"), 1);
2225   AddMacroDef(ltHEARTSUIT,           _T("heartsuit"), 0);
2226   AddMacroDef(ltHELPGLOSSARY,        _T("helpglossary"), 1);
2227   AddMacroDef(ltHELPIGNORE,          _T("helpignore"), 1, true);
2228   AddMacroDef(ltHELPONLY,            _T("helponly"), 1);
2229   AddMacroDef(ltHELPINPUT,           _T("helpinput"), 1);
2230   AddMacroDef(ltHELPFONTFAMILY,      _T("helpfontfamily"), 1);
2231   AddMacroDef(ltHELPFONTSIZE,        _T("helpfontsize"), 1);
2232   AddMacroDef(ltHELPREFN,            _T("helprefn"), 2);
2233   AddMacroDef(ltHELPREF,             _T("helpref"), 2);
2234   AddMacroDef(ltHFILL,               _T("hfill"), 0);
2235   AddMacroDef(ltHLINE,               _T("hline"), 0);
2236   AddMacroDef(ltHRULE,               _T("hrule"), 0);
2237   AddMacroDef(ltHSPACESTAR,          _T("hspace*"), 1);
2238   AddMacroDef(ltHSPACE,              _T("hspace"), 1);
2239   AddMacroDef(ltHSKIPSTAR,           _T("hskip*"), 1);
2240   AddMacroDef(ltHSKIP,               _T("hskip"), 1);
2241   AddMacroDef(lthuge,                _T("huge"), 1);
2242   AddMacroDef(ltHuge,                _T("Huge"), 1);
2243   AddMacroDef(ltHUGE,                _T("HUGE"), 1);
2244   AddMacroDef(ltHTMLIGNORE,          _T("htmlignore"), 1);
2245   AddMacroDef(ltHTMLONLY,            _T("htmlonly"), 1);
2246
2247   AddMacroDef(ltIM,                  _T("im"), 0);
2248   AddMacroDef(ltINCLUDEONLY,         _T("includeonly"), 1);
2249   AddMacroDef(ltINCLUDE,             _T("include"), 1);
2250   AddMacroDef(ltINDENTED,            _T("indented"), 2);
2251   AddMacroDef(ltINDEX,               _T("index"), 1);
2252   AddMacroDef(ltINPUT,               _T("input"), 1, true);
2253   AddMacroDef(ltIOTA,                _T("iota"), 0);
2254   AddMacroDef(ltITEMIZE,             _T("itemize"), 1);
2255   AddMacroDef(ltITEM,                _T("item"), 0);
2256   AddMacroDef(ltIMAGEMAP,            _T("imagemap"), 3);
2257   AddMacroDef(ltIMAGEL,              _T("imagel"), 2);
2258   AddMacroDef(ltIMAGER,              _T("imager"), 2);
2259   AddMacroDef(ltIMAGE,               _T("image"), 2);
2260   AddMacroDef(ltIN,                  _T("in"), 0);
2261   AddMacroDef(ltINFTY,               _T("infty"), 0);
2262   AddMacroDef(ltITSHAPE,             _T("itshape"), 1);
2263   AddMacroDef(ltIT,                  _T("it"), 1);
2264   AddMacroDef(ltITEMSEP,             _T("itemsep"), 1);
2265   AddMacroDef(ltINSERTATLEVEL,       _T("insertatlevel"), 2);
2266
2267   AddMacroDef(ltKAPPA,               _T("kappa"), 0);
2268   AddMacroDef(ltKILL,                _T("kill"), 0);
2269
2270   AddMacroDef(ltLABEL,               _T("label"), 1);
2271   AddMacroDef(ltLAMBDA,              _T("lambda"), 0);
2272   AddMacroDef(ltCAP_LAMBDA,          _T("Lambda"), 0);
2273   AddMacroDef(ltlarge,               _T("large"), 1);
2274   AddMacroDef(ltLarge,               _T("Large"), 1);
2275   AddMacroDef(ltLARGE,               _T("LARGE"), 1);
2276   AddMacroDef(ltLATEXIGNORE,         _T("latexignore"), 1);
2277   AddMacroDef(ltLATEXONLY,           _T("latexonly"), 1);
2278   AddMacroDef(ltLATEX,               _T("LaTeX"), 0);
2279   AddMacroDef(ltLBOX,                _T("lbox"), 1);
2280   AddMacroDef(ltLBRACERAW,           _T("lbraceraw"), 0);
2281   AddMacroDef(ltLDOTS,               _T("ldots"), 0);
2282   AddMacroDef(ltLEQ,                 _T("leq"), 0);
2283   AddMacroDef(ltLE,                  _T("le"), 0);
2284   AddMacroDef(ltLEFTARROW,           _T("leftarrow"), 0);
2285   AddMacroDef(ltLEFTRIGHTARROW,      _T("leftrightarrow"), 0);
2286   AddMacroDef(ltLEFTARROW2,          _T("Leftarrow"), 0);
2287   AddMacroDef(ltLEFTRIGHTARROW2,     _T("Leftrightarrow"), 0);
2288   AddMacroDef(ltLINEBREAK,           _T("linebreak"), 0);
2289   AddMacroDef(ltLINKCOLOUR,          _T("linkcolour"), 1);
2290   AddMacroDef(ltLISTOFFIGURES,       _T("listoffigures"), 0);
2291   AddMacroDef(ltLISTOFTABLES,        _T("listoftables"), 0);
2292   AddMacroDef(ltLHEAD,               _T("lhead"), 1);
2293   AddMacroDef(ltLFOOT,               _T("lfoot"), 1);
2294   AddMacroDef(ltLOWERCASE,           _T("lowercase"), 1);
2295   AddMacroDef(ltLL,                  _T("ll"), 0);
2296
2297   AddMacroDef(ltMAKEGLOSSARY,        _T("makeglossary"), 0);
2298   AddMacroDef(ltMAKEINDEX,           _T("makeindex"), 0);
2299   AddMacroDef(ltMAKETITLE,           _T("maketitle"), 0);
2300   AddMacroDef(ltMARKRIGHT,           _T("markright"), 1);
2301   AddMacroDef(ltMARKBOTH,            _T("markboth"), 2);
2302   AddMacroDef(ltMARGINPARWIDTH,      _T("marginparwidth"), 1);
2303   AddMacroDef(ltMARGINPARSEP,        _T("marginparsep"), 1);
2304   AddMacroDef(ltMARGINPARODD,        _T("marginparodd"), 1);
2305   AddMacroDef(ltMARGINPAREVEN,       _T("marginpareven"), 1);
2306   AddMacroDef(ltMARGINPAR,           _T("marginpar"), 1);
2307   AddMacroDef(ltMBOX,                _T("mbox"), 1);
2308   AddMacroDef(ltMDSERIES,            _T("mdseries"), 1);
2309   AddMacroDef(ltMEMBERSECTION,       _T("membersection"), 1);
2310   AddMacroDef(ltMEMBER,              _T("member"), 2);
2311   AddMacroDef(ltMID,                 _T("mid"), 0);
2312   AddMacroDef(ltMODELS,              _T("models"), 0);
2313   AddMacroDef(ltMP,                  _T("mp"), 0);
2314   AddMacroDef(ltMULTICOLUMN,         _T("multicolumn"), 3);
2315   AddMacroDef(ltMU,                  _T("mu"), 0);
2316
2317   AddMacroDef(ltNABLA,               _T("nabla"), 0);
2318   AddMacroDef(ltNEG,                 _T("neg"), 0);
2319   AddMacroDef(ltNEQ,                 _T("neq"), 0);
2320   AddMacroDef(ltNEWCOUNTER,          _T("newcounter"), 1, false, (bool)FORBID_ABSOLUTELY);
2321   AddMacroDef(ltNEWLINE,             _T("newline"), 0);
2322   AddMacroDef(ltNEWPAGE,             _T("newpage"), 0);
2323   AddMacroDef(ltNI,                  _T("ni"), 0);
2324   AddMacroDef(ltNOCITE,              _T("nocite"), 1);
2325   AddMacroDef(ltNOINDENT,            _T("noindent"), 0);
2326   AddMacroDef(ltNOLINEBREAK,         _T("nolinebreak"), 0);
2327   AddMacroDef(ltNOPAGEBREAK,         _T("nopagebreak"), 0);
2328   AddMacroDef(ltNORMALSIZE,          _T("normalsize"), 1);
2329   AddMacroDef(ltNORMALBOX,           _T("normalbox"), 1);
2330   AddMacroDef(ltNORMALBOXD,          _T("normalboxd"), 1);
2331   AddMacroDef(ltNOTEQ,               _T("noteq"), 0);
2332   AddMacroDef(ltNOTIN,               _T("notin"), 0);
2333   AddMacroDef(ltNOTSUBSET,           _T("notsubset"), 0);
2334   AddMacroDef(ltNU,                  _T("nu"), 0);
2335
2336   AddMacroDef(ltODDSIDEMARGIN,       _T("oddsidemargin"), 1);
2337   AddMacroDef(ltOMEGA,               _T("omega"), 0);
2338   AddMacroDef(ltCAP_OMEGA,           _T("Omega"), 0);
2339   AddMacroDef(ltONECOLUMN,           _T("onecolumn"), 0);
2340   AddMacroDef(ltOPLUS,               _T("oplus"), 0);
2341   AddMacroDef(ltOSLASH,              _T("oslash"), 0);
2342   AddMacroDef(ltOTIMES,              _T("otimes"), 0);
2343
2344   AddMacroDef(ltPAGEBREAK,           _T("pagebreak"), 0);
2345   AddMacroDef(ltPAGEREF,             _T("pageref"), 1);
2346   AddMacroDef(ltPAGESTYLE,           _T("pagestyle"), 1);
2347   AddMacroDef(ltPAGENUMBERING,       _T("pagenumbering"), 1);
2348   AddMacroDef(ltPARAGRAPHSTAR,       _T("paragraph*"), 1);
2349   AddMacroDef(ltPARAGRAPH,           _T("paragraph"), 1);
2350   AddMacroDef(ltPARALLEL,            _T("parallel"), 0);
2351   AddMacroDef(ltPARAM,               _T("param"), 2);
2352   AddMacroDef(ltPARINDENT,           _T("parindent"), 1);
2353   AddMacroDef(ltPARSKIP,             _T("parskip"), 1);
2354   AddMacroDef(ltPARTIAL,             _T("partial"), 0);
2355   AddMacroDef(ltPARTSTAR,            _T("part*"), 1);
2356   AddMacroDef(ltPART,                _T("part"), 1);
2357   AddMacroDef(ltPAR,                 _T("par"), 0);
2358   AddMacroDef(ltPERP,                _T("perp"), 0);
2359   AddMacroDef(ltPHI,                 _T("phi"), 0);
2360   AddMacroDef(ltCAP_PHI,             _T("Phi"), 0);
2361   AddMacroDef(ltPFUNC,               _T("pfunc"), 3);
2362   AddMacroDef(ltPICTURE,             _T("picture"), 1);
2363   AddMacroDef(ltPI,                  _T("pi"), 0);
2364   AddMacroDef(ltCAP_PI,              _T("Pi"), 0);
2365   AddMacroDef(ltPM,                  _T("pm"), 0);
2366   AddMacroDef(ltPOPREFONLY,          _T("poprefonly"), 1);
2367   AddMacroDef(ltPOPREF,              _T("popref"), 2);
2368   AddMacroDef(ltPOUNDS,              _T("pounds"), 0);
2369   AddMacroDef(ltPREC,                _T("prec"), 0);
2370   AddMacroDef(ltPRECEQ,              _T("preceq"), 0);
2371   AddMacroDef(ltPRINTINDEX,          _T("printindex"), 0);
2372   AddMacroDef(ltPROPTO,              _T("propto"), 0);
2373   AddMacroDef(ltPSBOXTO,             _T("psboxto"), 1, false, (bool)FORBID_ABSOLUTELY);
2374   AddMacroDef(ltPSBOX,               _T("psbox"), 1, false, (bool)FORBID_ABSOLUTELY);
2375   AddMacroDef(ltPSI,                 _T("psi"), 0);
2376   AddMacroDef(ltCAP_PSI,             _T("Psi"), 0);
2377
2378   AddMacroDef(ltQUOTE,               _T("quote"), 1);
2379   AddMacroDef(ltQUOTATION,           _T("quotation"), 1);
2380
2381   AddMacroDef(ltRAGGEDBOTTOM,        _T("raggedbottom"), 0);
2382   AddMacroDef(ltRAGGEDLEFT,          _T("raggedleft"), 0);
2383   AddMacroDef(ltRAGGEDRIGHT,         _T("raggedright"), 0);
2384   AddMacroDef(ltRBRACERAW,           _T("rbraceraw"), 0);
2385   AddMacroDef(ltREF,                 _T("ref"), 1);
2386   AddMacroDef(ltREGISTERED,          _T("registered"), 0);
2387   AddMacroDef(ltRE,                  _T("we"), 0);
2388   AddMacroDef(ltRHO,                 _T("rho"), 0);
2389   AddMacroDef(ltRIGHTARROW,          _T("rightarrow"), 0);
2390   AddMacroDef(ltRIGHTARROW2,         _T("rightarrow2"), 0);
2391   AddMacroDef(ltRMFAMILY,            _T("rmfamily"), 1);
2392   AddMacroDef(ltRM,                  _T("rm"), 1);
2393   AddMacroDef(ltROMAN,               _T("roman"), 1);
2394   AddMacroDef(ltROMAN2,              _T("Roman"), 1);
2395 //  AddMacroDef(lt"row", 1);
2396   AddMacroDef(ltRTFSP,               _T("rtfsp"), 0);
2397   AddMacroDef(ltRTFIGNORE,           _T("rtfignore"), 1);
2398   AddMacroDef(ltRTFONLY,             _T("rtfonly"), 1);
2399   AddMacroDef(ltRULEDROW,            _T("ruledrow"), 1);
2400   AddMacroDef(ltDRULED,              _T("druled"), 1);
2401   AddMacroDef(ltRULE,                _T("rule"), 2);
2402   AddMacroDef(ltRHEAD,               _T("rhead"), 1);
2403   AddMacroDef(ltRFOOT,               _T("rfoot"), 1);
2404   AddMacroDef(ltROW,                 _T("row"), 1);
2405
2406   AddMacroDef(ltSCSHAPE,             _T("scshape"), 1);
2407   AddMacroDef(ltSC,                  _T("sc"), 1);
2408   AddMacroDef(ltSECTIONHEADING,      _T("sectionheading"), 1);
2409   AddMacroDef(ltSECTIONSTAR,         _T("section*"), 1);
2410   AddMacroDef(ltSECTION,             _T("section"), 1);
2411   AddMacroDef(ltSETCOUNTER,          _T("setcounter"), 2);
2412   AddMacroDef(ltSFFAMILY,            _T("sffamily"), 1);
2413   AddMacroDef(ltSF,                  _T("sf"), 1);
2414   AddMacroDef(ltSHARP,               _T("sharp"), 0);
2415   AddMacroDef(ltSHORTCITE,           _T("shortcite"), 1);
2416   AddMacroDef(ltSIGMA,               _T("sigma"), 0);
2417   AddMacroDef(ltCAP_SIGMA,           _T("Sigma"), 0);
2418   AddMacroDef(ltSIM,                 _T("sim"), 0);
2419   AddMacroDef(ltSIMEQ,               _T("simeq"), 0);
2420   AddMacroDef(ltSINGLESPACE,         _T("singlespace"), 1);
2421   AddMacroDef(ltSIZEDBOX,            _T("sizedbox"), 2);
2422   AddMacroDef(ltSIZEDBOXD,           _T("sizedboxd"), 2);
2423   AddMacroDef(ltSLOPPYPAR,           _T("sloppypar"), 1);
2424   AddMacroDef(ltSLOPPY,              _T("sloppy"), 0);
2425   AddMacroDef(ltSLSHAPE,             _T("slshape"), 1);
2426   AddMacroDef(ltSL,                  _T("sl"), 1);
2427   AddMacroDef(ltSMALL,               _T("small"), 1);
2428   AddMacroDef(ltSMILE,               _T("smile"), 0);
2429   AddMacroDef(ltSS,                  _T("ss"), 0);
2430   AddMacroDef(ltSTAR,                _T("star"), 0);
2431   AddMacroDef(ltSUBITEM,             _T("subitem"), 0);
2432   AddMacroDef(ltSUBPARAGRAPHSTAR,    _T("subparagraph*"), 1);
2433   AddMacroDef(ltSUBPARAGRAPH,        _T("subparagraph"), 1);
2434   AddMacroDef(ltSPECIAL,             _T("special"), 1);
2435   AddMacroDef(ltSUBSECTIONSTAR,      _T("subsection*"), 1);
2436   AddMacroDef(ltSUBSECTION,          _T("subsection"), 1);
2437   AddMacroDef(ltSUBSETEQ,            _T("subseteq"), 0);
2438   AddMacroDef(ltSUBSET,              _T("subset"), 0);
2439   AddMacroDef(ltSUCC,                _T("succ"), 0);
2440   AddMacroDef(ltSUCCEQ,              _T("succeq"), 0);
2441   AddMacroDef(ltSUPSETEQ,            _T("supseteq"), 0);
2442   AddMacroDef(ltSUPSET,              _T("supset"), 0);
2443   AddMacroDef(ltSUBSUBSECTIONSTAR,   _T("subsubsection*"), 1);
2444   AddMacroDef(ltSUBSUBSECTION,       _T("subsubsection"), 1);
2445   AddMacroDef(ltSUPERTABULAR,        _T("supertabular"), 2, false);
2446   AddMacroDef(ltSURD,                _T("surd"), 0);
2447   AddMacroDef(ltSCRIPTSIZE,          _T("scriptsize"), 1);
2448   AddMacroDef(ltSETHEADER,           _T("setheader"), 6);
2449   AddMacroDef(ltSETFOOTER,           _T("setfooter"), 6);
2450   AddMacroDef(ltSETHOTSPOTCOLOUR,    _T("sethotspotcolour"), 1);
2451   AddMacroDef(ltSETHOTSPOTCOLOR,     _T("sethotspotcolor"), 1);
2452   AddMacroDef(ltSETHOTSPOTUNDERLINE, _T("sethotspotunderline"), 1);
2453   AddMacroDef(ltSETTRANSPARENCY,     _T("settransparency"), 1);
2454   AddMacroDef(ltSPADESUIT,           _T("spadesuit"), 0);
2455
2456   AddMacroDef(ltTABBING,             _T("tabbing"), 2);
2457   AddMacroDef(ltTABLEOFCONTENTS,     _T("tableofcontents"), 0);
2458   AddMacroDef(ltTABLE,               _T("table"), 1);
2459   AddMacroDef(ltTABULAR,             _T("tabular"), 2, false);
2460   AddMacroDef(ltTAB,                 _T("tab"), 0);
2461   AddMacroDef(ltTAU,                 _T("tau"), 0);
2462   AddMacroDef(ltTEXTRM,              _T("textrm"), 1);
2463   AddMacroDef(ltTEXTSF,              _T("textsf"), 1);
2464   AddMacroDef(ltTEXTTT,              _T("texttt"), 1);
2465   AddMacroDef(ltTEXTBF,              _T("textbf"), 1);
2466   AddMacroDef(ltTEXTIT,              _T("textit"), 1);
2467   AddMacroDef(ltTEXTSL,              _T("textsl"), 1);
2468   AddMacroDef(ltTEXTSC,              _T("textsc"), 1);
2469   AddMacroDef(ltTEXTWIDTH,           _T("textwidth"), 1);
2470   AddMacroDef(ltTEXTHEIGHT,          _T("textheight"), 1);
2471   AddMacroDef(ltTEXTCOLOUR,          _T("textcolour"), 1);
2472   AddMacroDef(ltTEX,                 _T("TeX"), 0);
2473   AddMacroDef(ltTHEBIBLIOGRAPHY,     _T("thebibliography"), 2);
2474   AddMacroDef(ltTHETA,               _T("theta"), 0);
2475   AddMacroDef(ltTIMES,               _T("times"), 0);
2476   AddMacroDef(ltCAP_THETA,           _T("Theta"), 0);
2477   AddMacroDef(ltTITLEPAGE,           _T("titlepage"), 1);
2478   AddMacroDef(ltTITLE,               _T("title"), 1);
2479   AddMacroDef(ltTINY,                _T("tiny"), 1);
2480   AddMacroDef(ltTODAY,               _T("today"), 0);
2481   AddMacroDef(ltTOPMARGIN,           _T("topmargin"), 1);
2482   AddMacroDef(ltTOPSKIP,             _T("topskip"), 1);
2483   AddMacroDef(ltTRIANGLE,            _T("triangle"), 0);
2484   AddMacroDef(ltTTFAMILY,            _T("ttfamily"), 1);
2485   AddMacroDef(ltTT,                  _T("tt"), 1);
2486   AddMacroDef(ltTYPEIN,              _T("typein"), 1);
2487   AddMacroDef(ltTYPEOUT,             _T("typeout"), 1);
2488   AddMacroDef(ltTWOCOLWIDTHA,        _T("twocolwidtha"), 1);
2489   AddMacroDef(ltTWOCOLWIDTHB,        _T("twocolwidthb"), 1);
2490   AddMacroDef(ltTWOCOLSPACING,       _T("twocolspacing"), 1);
2491   AddMacroDef(ltTWOCOLITEMRULED,     _T("twocolitemruled"), 2);
2492   AddMacroDef(ltTWOCOLITEM,          _T("twocolitem"), 2);
2493   AddMacroDef(ltTWOCOLLIST,          _T("twocollist"), 1);
2494   AddMacroDef(ltTWOCOLUMN,           _T("twocolumn"), 0);
2495   AddMacroDef(ltTHEPAGE,             _T("thepage"), 0);
2496   AddMacroDef(ltTHECHAPTER,          _T("thechapter"), 0);
2497   AddMacroDef(ltTHESECTION,          _T("thesection"), 0);
2498   AddMacroDef(ltTHISPAGESTYLE,       _T("thispagestyle"), 1);
2499
2500   AddMacroDef(ltUNDERLINE,           _T("underline"), 1);
2501   AddMacroDef(ltUPSILON,             _T("upsilon"), 0);
2502   AddMacroDef(ltCAP_UPSILON,         _T("Upsilon"), 0);
2503   AddMacroDef(ltUPARROW,             _T("uparrow"), 0);
2504   AddMacroDef(ltUPARROW2,            _T("Uparrow"), 0);
2505   AddMacroDef(ltUPPERCASE,           _T("uppercase"), 1);
2506   AddMacroDef(ltUPSHAPE,             _T("upshape"), 1);
2507   AddMacroDef(ltURLREF,              _T("urlref"), 2);
2508   AddMacroDef(ltUSEPACKAGE,          _T("usepackage"), 1);
2509
2510   AddMacroDef(ltVAREPSILON,          _T("varepsilon"), 0);
2511   AddMacroDef(ltVARPHI,              _T("varphi"), 0);
2512   AddMacroDef(ltVARPI,               _T("varpi"), 0);
2513   AddMacroDef(ltVARRHO,              _T("varrho"), 0);
2514   AddMacroDef(ltVARSIGMA,            _T("varsigma"), 0);
2515   AddMacroDef(ltVARTHETA,            _T("vartheta"), 0);
2516   AddMacroDef(ltVDOTS,               _T("vdots"), 0);
2517   AddMacroDef(ltVEE,                 _T("vee"), 0);
2518   AddMacroDef(ltVERBATIMINPUT,       _T("verbatiminput"), 1);
2519   AddMacroDef(ltVERBATIM,            _T("verbatim"), 1);
2520   AddMacroDef(ltVERBSTAR,            _T("verb*"), 1);
2521   AddMacroDef(ltVERB,                _T("verb"), 1);
2522   AddMacroDef(ltVERSE,               _T("verse"), 1);
2523   AddMacroDef(ltVFILL,               _T("vfill"), 0);
2524   AddMacroDef(ltVLINE,               _T("vline"), 0);
2525   AddMacroDef(ltVOID,                _T("void"), 0);
2526   AddMacroDef(ltVDASH,               _T("vdash"), 0);
2527   AddMacroDef(ltVRULE,               _T("vrule"), 0);
2528   AddMacroDef(ltVSPACESTAR,          _T("vspace*"), 1);
2529   AddMacroDef(ltVSKIPSTAR,           _T("vskip*"), 1);
2530   AddMacroDef(ltVSPACE,              _T("vspace"), 1);
2531   AddMacroDef(ltVSKIP,               _T("vskip"), 1);
2532
2533   AddMacroDef(ltWEDGE,               _T("wedge"), 0);
2534   AddMacroDef(ltWXCLIPS,             _T("wxclips"), 0);
2535   AddMacroDef(ltWINHELPIGNORE,       _T("winhelpignore"), 1);
2536   AddMacroDef(ltWINHELPONLY,         _T("winhelponly"), 1);
2537   AddMacroDef(ltWP,                  _T("wp"), 0);
2538
2539   AddMacroDef(ltXI,                  _T("xi"), 0);
2540   AddMacroDef(ltCAP_XI,              _T("Xi"), 0);
2541   AddMacroDef(ltXLPIGNORE,           _T("xlpignore"), 1);
2542   AddMacroDef(ltXLPONLY,             _T("xlponly"), 1);
2543
2544   AddMacroDef(ltZETA,                _T("zeta"), 0);
2545
2546   AddMacroDef(ltSPACE,               _T(" "), 0);
2547   AddMacroDef(ltBACKSLASHCHAR,       _T("\\"), 0);
2548   AddMacroDef(ltPIPE,                _T("|"), 0);
2549   AddMacroDef(ltFORWARDSLASH,        _T("/"), 0);
2550   AddMacroDef(ltUNDERSCORE,          _T("_"), 0);
2551   AddMacroDef(ltAMPERSAND,           _T("&"), 0);
2552   AddMacroDef(ltPERCENT,             _T("%"), 0);
2553   AddMacroDef(ltDOLLAR,              _T("$"), 0);
2554   AddMacroDef(ltHASH,                _T("#"), 0);
2555   AddMacroDef(ltLPARENTH,            _T("("), 0);
2556   AddMacroDef(ltRPARENTH,            _T(")"), 0);
2557   AddMacroDef(ltLBRACE,              _T("{"), 0);
2558   AddMacroDef(ltRBRACE,              _T("}"), 0);
2559 //  AddMacroDef(ltEQUALS,              _T("="), 0);
2560   AddMacroDef(ltRANGLEBRA,           _T(">"), 0);
2561   AddMacroDef(ltLANGLEBRA,           _T("<"), 0);
2562   AddMacroDef(ltPLUS,                _T("+"), 0);
2563   AddMacroDef(ltDASH,                _T("-"), 0);
2564   AddMacroDef(ltAT_SYMBOL,           _T("@"), 0);
2565 //  AddMacroDef(ltSINGLEQUOTE,         _T("'"), 0);
2566 //  AddMacroDef(ltBACKQUOTE,           _T("`"), 0);
2567 }
2568
2569 /*
2570  * Default behaviour, should be called by client if can't match locally.
2571  *
2572  */
2573
2574 // Called on start/end of macro examination
2575 void DefaultOnMacro(int macroId, int no_args, bool start)
2576 {
2577   switch (macroId)
2578   {
2579     // Default behaviour for abstract
2580     case ltABSTRACT:
2581     {
2582       if (start)
2583       {
2584         // Write the heading
2585         FakeCurrentSection(AbstractNameString);
2586         OnMacro(ltPAR, 0, true);
2587         OnMacro(ltPAR, 0, false);
2588       }
2589       else
2590       {
2591         if (DocumentStyle == LATEX_ARTICLE)
2592           sectionNo --;
2593         else
2594           chapterNo --;
2595       }
2596       break;
2597     }
2598
2599     // Default behaviour for glossary
2600     case ltHELPGLOSSARY:
2601     {
2602       if (start)
2603       {
2604         // Write the heading
2605         FakeCurrentSection(GlossaryNameString);
2606         OnMacro(ltPAR, 0, true);
2607         OnMacro(ltPAR, 0, false);
2608         if ((convertMode == TEX_RTF) && !winHelp)
2609         {
2610           OnMacro(ltPAR, 0, true);
2611           OnMacro(ltPAR, 0, false);
2612         }
2613       }
2614       break;
2615     }
2616     case ltSPECIALAMPERSAND:
2617       if (start)
2618         TexOutput(_T("  "));
2619       break;
2620
2621     case ltCINSERT:
2622       if (start)
2623         TexOutput(_T("<<"), true);
2624       break;
2625     case ltCEXTRACT:
2626       if (start)
2627         TexOutput(_T(">>"), true);
2628       break;
2629     case ltDESTRUCT:
2630       if (start)
2631         TexOutput(_T("~"), true);
2632       break;
2633     case ltTILDE:
2634       if (start)
2635         TexOutput(_T("~"), true);
2636       break;
2637     case ltSPECIALTILDE:
2638       if (start)
2639         TexOutput(_T(" "), true);
2640       break;
2641     case ltUNDERSCORE:
2642       if (start)
2643         TexOutput(_T("_"), true);
2644       break;
2645     case ltHASH:
2646       if (start)
2647         TexOutput(_T("#"), true);
2648       break;
2649     case ltAMPERSAND:
2650       if (start)
2651         TexOutput(_T("&"), true);
2652       break;
2653     case ltSPACE:
2654       if (start)
2655         TexOutput(_T(" "), true);
2656       break;
2657     case ltPIPE:
2658       if (start)
2659         TexOutput(_T("|"), true);
2660       break;
2661     case ltPERCENT:
2662       if (start)
2663         TexOutput(_T("%"), true);
2664       break;
2665     case ltDOLLAR:
2666       if (start)
2667         TexOutput(_T("$"), true);
2668       break;
2669     case ltLPARENTH:
2670       if (start)
2671         TexOutput(_T(""), true);
2672       break;
2673     case ltRPARENTH:
2674       if (start)
2675         TexOutput(_T(""), true);
2676       break;
2677     case ltLBRACE:
2678       if (start)
2679         TexOutput(_T("{"), true);
2680       break;
2681     case ltRBRACE:
2682       if (start)
2683         TexOutput(_T("}"), true);
2684       break;
2685     case ltCOPYRIGHT:
2686       if (start)
2687         TexOutput(_T("(c)"), true);
2688       break;
2689     case ltREGISTERED:
2690       if (start)
2691         TexOutput(_T("(r)"), true);
2692       break;
2693     case ltBACKSLASH:
2694       if (start)
2695         TexOutput(_T("\\"), true);
2696       break;
2697     case ltLDOTS:
2698     case ltCDOTS:
2699       if (start)
2700         TexOutput(_T("..."), true);
2701       break;
2702     case ltVDOTS:
2703       if (start)
2704         TexOutput(_T("|"), true);
2705       break;
2706     case ltLATEX:
2707       if (start)
2708         TexOutput(_T("LaTeX"), true);
2709       break;
2710     case ltTEX:
2711       if (start)
2712         TexOutput(_T("TeX"), true);
2713       break;
2714     case ltPOUNDS:
2715       if (start)
2716         // FIXME: this is valid only if the output is iso-8859-1
2717         TexOutput(wxString::FromAscii("£"), true);
2718       break;
2719     case ltSPECIALDOUBLEDOLLAR:  // Interpret as center
2720       OnMacro(ltCENTER, no_args, start);
2721       break;
2722     case ltEMPH:
2723     case ltTEXTSL:
2724     case ltSLSHAPE:
2725     case ltSL:
2726       OnMacro(ltIT, no_args, start);
2727       break;
2728     case ltPARAGRAPH:
2729     case ltPARAGRAPHSTAR:
2730     case ltSUBPARAGRAPH:
2731     case ltSUBPARAGRAPHSTAR:
2732       OnMacro(ltSUBSUBSECTION, no_args, start);
2733       break;
2734     case ltTODAY:
2735     {
2736       if (start)
2737       {
2738         time_t when;
2739         (void) time(&when);
2740         TexOutput(wxCtime(&when), true);
2741       }
2742       break;
2743     }
2744     case ltNOINDENT:
2745       if (start)
2746         ParIndent = 0;
2747       break;
2748
2749     // Symbols
2750     case ltALPHA:
2751       if (start) TexOutput(_T("alpha"));
2752       break;
2753     case ltBETA:
2754       if (start) TexOutput(_T("beta"));
2755       break;
2756     case ltGAMMA:
2757       if (start) TexOutput(_T("gamma"));
2758       break;
2759     case ltDELTA:
2760       if (start) TexOutput(_T("delta"));
2761       break;
2762     case ltEPSILON:
2763     case ltVAREPSILON:
2764       if (start) TexOutput(_T("epsilon"));
2765       break;
2766     case ltZETA:
2767       if (start) TexOutput(_T("zeta"));
2768       break;
2769     case ltETA:
2770       if (start) TexOutput(_T("eta"));
2771       break;
2772     case ltTHETA:
2773     case ltVARTHETA:
2774       if (start) TexOutput(_T("theta"));
2775       break;
2776     case ltIOTA:
2777       if (start) TexOutput(_T("iota"));
2778       break;
2779     case ltKAPPA:
2780       if (start) TexOutput(_T("kappa"));
2781       break;
2782     case ltLAMBDA:
2783       if (start) TexOutput(_T("lambda"));
2784       break;
2785     case ltMU:
2786       if (start) TexOutput(_T("mu"));
2787       break;
2788     case ltNU:
2789       if (start) TexOutput(_T("nu"));
2790       break;
2791     case ltXI:
2792       if (start) TexOutput(_T("xi"));
2793       break;
2794     case ltPI:
2795     case ltVARPI:
2796       if (start) TexOutput(_T("pi"));
2797       break;
2798     case ltRHO:
2799     case ltVARRHO:
2800       if (start) TexOutput(_T("rho"));
2801       break;
2802     case ltSIGMA:
2803     case ltVARSIGMA:
2804       if (start) TexOutput(_T("sigma"));
2805       break;
2806     case ltTAU:
2807       if (start) TexOutput(_T("tau"));
2808       break;
2809     case ltUPSILON:
2810       if (start) TexOutput(_T("upsilon"));
2811       break;
2812     case ltPHI:
2813     case ltVARPHI:
2814       if (start) TexOutput(_T("phi"));
2815       break;
2816     case ltCHI:
2817       if (start) TexOutput(_T("chi"));
2818       break;
2819     case ltPSI:
2820       if (start) TexOutput(_T("psi"));
2821       break;
2822     case ltOMEGA:
2823       if (start) TexOutput(_T("omega"));
2824       break;
2825     case ltCAP_GAMMA:
2826       if (start) TexOutput(_T("GAMMA"));
2827       break;
2828     case ltCAP_DELTA:
2829       if (start) TexOutput(_T("DELTA"));
2830       break;
2831     case ltCAP_THETA:
2832       if (start) TexOutput(_T("THETA"));
2833       break;
2834     case ltCAP_LAMBDA:
2835       if (start) TexOutput(_T("LAMBDA"));
2836       break;
2837     case ltCAP_XI:
2838       if (start) TexOutput(_T("XI"));
2839       break;
2840     case ltCAP_PI:
2841       if (start) TexOutput(_T("PI"));
2842       break;
2843     case ltCAP_SIGMA:
2844       if (start) TexOutput(_T("SIGMA"));
2845       break;
2846     case ltCAP_UPSILON:
2847       if (start) TexOutput(_T("UPSILON"));
2848       break;
2849     case ltCAP_PHI:
2850       if (start) TexOutput(_T("PHI"));
2851       break;
2852     case ltCAP_PSI:
2853       if (start) TexOutput(_T("PSI"));
2854       break;
2855     case ltCAP_OMEGA:
2856       if (start) TexOutput(_T("OMEGA"));
2857       break;
2858
2859     // Binary operation symbols
2860     case ltLE:
2861     case ltLEQ:
2862       if (start) TexOutput(_T("<="));
2863       break;
2864     case ltLL:
2865       if (start) TexOutput(_T("<<"));
2866       break;
2867     case ltSUBSET:
2868       if (start) TexOutput(_T("SUBSET"));
2869       break;
2870     case ltSUBSETEQ:
2871       if (start) TexOutput(_T("SUBSETEQ"));
2872       break;
2873     case ltIN:
2874       if (start) TexOutput(_T("IN"));
2875       break;
2876     case ltVDASH:
2877       if (start) TexOutput(_T("VDASH"));
2878       break;
2879     case ltMODELS:
2880       if (start) TexOutput(_T("MODELS"));
2881       break;
2882     case ltGE:
2883     case ltGEQ:
2884       if (start) TexOutput(_T(">="));
2885       break;
2886     case ltGG:
2887       if (start) TexOutput(_T(">>"));
2888       break;
2889     case ltSUPSET:
2890       if (start) TexOutput(_T("SUPSET"));
2891       break;
2892     case ltSUPSETEQ:
2893       if (start) TexOutput(_T("SUPSETEQ"));
2894       break;
2895     case ltNI:
2896       if (start) TexOutput(_T("NI"));
2897       break;
2898     case ltDASHV:
2899       if (start) TexOutput(_T("DASHV"));
2900       break;
2901     case ltPERP:
2902       if (start) TexOutput(_T("PERP"));
2903       break;
2904     case ltNEQ:
2905       if (start) TexOutput(_T("NEQ"));
2906       break;
2907     case ltDOTEQ:
2908       if (start) TexOutput(_T("DOTEQ"));
2909       break;
2910     case ltAPPROX:
2911       if (start) TexOutput(_T("APPROX"));
2912       break;
2913     case ltCONG:
2914       if (start) TexOutput(_T("CONG"));
2915       break;
2916     case ltEQUIV:
2917       if (start) TexOutput(_T("EQUIV"));
2918       break;
2919     case ltPROPTO:
2920       if (start) TexOutput(_T("PROPTO"));
2921       break;
2922     case ltPREC:
2923       if (start) TexOutput(_T("PREC"));
2924       break;
2925     case ltPRECEQ:
2926       if (start) TexOutput(_T("PRECEQ"));
2927       break;
2928     case ltPARALLEL:
2929       if (start) TexOutput(_T("|"));
2930       break;
2931     case ltSIM:
2932       if (start) TexOutput(_T("~"));
2933       break;
2934     case ltSIMEQ:
2935       if (start) TexOutput(_T("SIMEQ"));
2936       break;
2937     case ltASYMP:
2938       if (start) TexOutput(_T("ASYMP"));
2939       break;
2940     case ltSMILE:
2941       if (start) TexOutput(_T(":-)"));
2942       break;
2943     case ltFROWN:
2944       if (start) TexOutput(_T(":-("));
2945       break;
2946     case ltSUCC:
2947       if (start) TexOutput(_T("SUCC"));
2948       break;
2949     case ltSUCCEQ:
2950       if (start) TexOutput(_T("SUCCEQ"));
2951       break;
2952     case ltMID:
2953       if (start) TexOutput(_T("|"));
2954       break;
2955
2956     // Negated relation symbols
2957     case ltNOTEQ:
2958       if (start) TexOutput(_T("!="));
2959       break;
2960     case ltNOTIN:
2961       if (start) TexOutput(_T("NOTIN"));
2962       break;
2963     case ltNOTSUBSET:
2964       if (start) TexOutput(_T("NOTSUBSET"));
2965       break;
2966
2967     // Arrows
2968     case ltLEFTARROW:
2969       if (start) TexOutput(_T("<--"));
2970       break;
2971     case ltLEFTARROW2:
2972       if (start) TexOutput(_T("<=="));
2973       break;
2974     case ltRIGHTARROW:
2975       if (start) TexOutput(_T("-->"));
2976       break;
2977     case ltRIGHTARROW2:
2978       if (start) TexOutput(_T("==>"));
2979       break;
2980     case ltLEFTRIGHTARROW:
2981       if (start) TexOutput(_T("<-->"));
2982       break;
2983     case ltLEFTRIGHTARROW2:
2984       if (start) TexOutput(_T("<==>"));
2985       break;
2986     case ltUPARROW:
2987       if (start) TexOutput(_T("UPARROW"));
2988       break;
2989     case ltUPARROW2:
2990       if (start) TexOutput(_T("UPARROW2"));
2991       break;
2992     case ltDOWNARROW:
2993       if (start) TexOutput(_T("DOWNARROW"));
2994       break;
2995     case ltDOWNARROW2:
2996       if (start) TexOutput(_T("DOWNARROW2"));
2997       break;
2998     // Miscellaneous symbols
2999     case ltALEPH:
3000       if (start) TexOutput(_T("ALEPH"));
3001       break;
3002     case ltWP:
3003       if (start) TexOutput(_T("WP"));
3004       break;
3005     case ltRE:
3006       if (start) TexOutput(_T("RE"));
3007       break;
3008     case ltIM:
3009       if (start) TexOutput(_T("IM"));
3010       break;
3011     case ltEMPTYSET:
3012       if (start) TexOutput(_T("EMPTYSET"));
3013       break;
3014     case ltNABLA:
3015       if (start) TexOutput(_T("NABLA"));
3016       break;
3017     case ltSURD:
3018       if (start) TexOutput(_T("SURD"));
3019       break;
3020     case ltPARTIAL:
3021       if (start) TexOutput(_T("PARTIAL"));
3022       break;
3023     case ltBOT:
3024       if (start) TexOutput(_T("BOT"));
3025       break;
3026     case ltFORALL:
3027       if (start) TexOutput(_T("FORALL"));
3028       break;
3029     case ltEXISTS:
3030       if (start) TexOutput(_T("EXISTS"));
3031       break;
3032     case ltNEG:
3033       if (start) TexOutput(_T("NEG"));
3034       break;
3035     case ltSHARP:
3036       if (start) TexOutput(_T("SHARP"));
3037       break;
3038     case ltANGLE:
3039       if (start) TexOutput(_T("ANGLE"));
3040       break;
3041     case ltTRIANGLE:
3042       if (start) TexOutput(_T("TRIANGLE"));
3043       break;
3044     case ltCLUBSUIT:
3045       if (start) TexOutput(_T("CLUBSUIT"));
3046       break;
3047     case ltDIAMONDSUIT:
3048       if (start) TexOutput(_T("DIAMONDSUIT"));
3049       break;
3050     case ltHEARTSUIT:
3051       if (start) TexOutput(_T("HEARTSUIT"));
3052       break;
3053     case ltSPADESUIT:
3054       if (start) TexOutput(_T("SPADESUIT"));
3055       break;
3056     case ltINFTY:
3057       if (start) TexOutput(_T("INFTY"));
3058       break;
3059     case ltPM:
3060       if (start) TexOutput(_T("PM"));
3061       break;
3062     case ltMP:
3063       if (start) TexOutput(_T("MP"));
3064       break;
3065     case ltTIMES:
3066       if (start) TexOutput(_T("TIMES"));
3067       break;
3068     case ltDIV:
3069       if (start) TexOutput(_T("DIV"));
3070       break;
3071     case ltCDOT:
3072       if (start) TexOutput(_T("CDOT"));
3073       break;
3074     case ltAST:
3075       if (start) TexOutput(_T("AST"));
3076       break;
3077     case ltSTAR:
3078       if (start) TexOutput(_T("STAR"));
3079       break;
3080     case ltCAP:
3081       if (start) TexOutput(_T("CAP"));
3082       break;
3083     case ltCUP:
3084       if (start) TexOutput(_T("CUP"));
3085       break;
3086     case ltVEE:
3087       if (start) TexOutput(_T("VEE"));
3088       break;
3089     case ltWEDGE:
3090       if (start) TexOutput(_T("WEDGE"));
3091       break;
3092     case ltCIRC:
3093       if (start) TexOutput(_T("CIRC"));
3094       break;
3095     case ltBULLET:
3096       if (start) TexOutput(_T("BULLET"));
3097       break;
3098     case ltDIAMOND:
3099       if (start) TexOutput(_T("DIAMOND"));
3100       break;
3101     case ltOSLASH:
3102       if (start) TexOutput(_T("OSLASH"));
3103       break;
3104     case ltBOX:
3105       if (start) TexOutput(_T("BOX"));
3106       break;
3107     case ltDIAMOND2:
3108       if (start) TexOutput(_T("DIAMOND2"));
3109       break;
3110     case ltBIGTRIANGLEDOWN:
3111       if (start) TexOutput(_T("BIGTRIANGLEDOWN"));
3112       break;
3113     case ltOPLUS:
3114       if (start) TexOutput(_T("OPLUS"));
3115       break;
3116     case ltOTIMES:
3117       if (start) TexOutput(_T("OTIMES"));
3118       break;
3119     case ltSS:
3120       if (start) TexOutput(_T("s"));
3121       break;
3122     case ltBACKSLASHRAW:
3123       if (start) TexOutput(_T("\\"));
3124       break;
3125     case ltLBRACERAW:
3126       if (start) TexOutput(_T("{"));
3127       break;
3128     case ltRBRACERAW:
3129       if (start) TexOutput(_T("}"));
3130       break;
3131     case ltSMALLSPACE1:
3132     case ltSMALLSPACE2:
3133       if (start) TexOutput(_T(" "));
3134       break;
3135     default:
3136       break;
3137   }
3138 }
3139
3140 // Called on start/end of argument examination
3141 bool DefaultOnArgument(int macroId, int arg_no, bool start)
3142 {
3143   switch (macroId)
3144   {
3145     case ltREF:
3146     {
3147     if (arg_no == 1 && start)
3148     {
3149       wxChar *refName = GetArgData();
3150       if (refName)
3151       {
3152         TexRef *texRef = FindReference(refName);
3153         if (texRef)
3154         {
3155           // Must strip the 'section' or 'chapter' or 'figure' text
3156           // from a normal 'ref' reference
3157           wxChar buf[150];
3158           wxStrcpy(buf, texRef->sectionNumber);
3159           int len = wxStrlen(buf);
3160           int i = 0;
3161           if (wxStrcmp(buf, _T("??")) != 0)
3162           {
3163             while (i < len)
3164             {
3165               if (buf[i] == ' ')
3166               {
3167                 i ++;
3168                 break;
3169               }
3170               else i ++;
3171             }
3172           }
3173           TexOutput(texRef->sectionNumber + i, true);
3174         }
3175         else
3176         {
3177            wxString informBuf;
3178            informBuf.Printf(_T("Warning: unresolved reference '%s'"), refName);
3179            OnInform((wxChar *)informBuf.c_str());
3180         }
3181       }
3182       else TexOutput(_T("??"), true);
3183       return false;
3184     }
3185     break;
3186     }
3187     case ltLABEL:
3188     {
3189       return false;
3190     }
3191     case ltAUTHOR:
3192     {
3193       if (start && (arg_no == 1))
3194         DocumentAuthor = GetArgChunk();
3195       return false;
3196     }
3197     case ltDATE:
3198     {
3199       if (start && (arg_no == 1))
3200         DocumentDate = GetArgChunk();
3201       return false;
3202     }
3203     case ltTITLE:
3204     {
3205       if (start && (arg_no == 1))
3206         DocumentTitle = GetArgChunk();
3207       return false;
3208     }
3209   case ltDOCUMENTCLASS:
3210   case ltDOCUMENTSTYLE:
3211   {
3212     if (start && !IsArgOptional())
3213     {
3214       DocumentStyleString = copystring(GetArgData());
3215       if (wxStrncmp(DocumentStyleString, _T("art"), 3) == 0)
3216         DocumentStyle = LATEX_ARTICLE;
3217       else if (wxStrncmp(DocumentStyleString, _T("rep"), 3) == 0)
3218         DocumentStyle = LATEX_REPORT;
3219       else if (wxStrncmp(DocumentStyleString, _T("book"), 4) == 0 ||
3220                wxStrncmp(DocumentStyleString, _T("thesis"), 6) == 0)
3221         DocumentStyle = LATEX_BOOK;
3222       else if (wxStrncmp(DocumentStyleString, _T("letter"), 6) == 0)
3223         DocumentStyle = LATEX_LETTER;
3224       else if (wxStrncmp(DocumentStyleString, _T("slides"), 6) == 0)
3225         DocumentStyle = LATEX_SLIDES;
3226
3227       if (StringMatch(_T("10"), DocumentStyleString))
3228         SetFontSizes(10);
3229       else if (StringMatch(_T("11"), DocumentStyleString))
3230         SetFontSizes(11);
3231       else if (StringMatch(_T("12"), DocumentStyleString))
3232         SetFontSizes(12);
3233
3234       OnMacro(ltHELPFONTSIZE, 1, true);
3235       wxSnprintf(currentArgData, 2000, _T("%d"), normalFont);
3236       haveArgData = true;
3237       OnArgument(ltHELPFONTSIZE, 1, true);
3238       OnArgument(ltHELPFONTSIZE, 1, false);
3239       haveArgData = false;
3240       OnMacro(ltHELPFONTSIZE, 1, false);
3241     }
3242     else if (start && IsArgOptional())
3243     {
3244       MinorDocumentStyleString = copystring(GetArgData());
3245
3246       if (StringMatch(_T("10"), MinorDocumentStyleString))
3247         SetFontSizes(10);
3248       else if (StringMatch(_T("11"), MinorDocumentStyleString))
3249         SetFontSizes(11);
3250       else if (StringMatch(_T("12"), MinorDocumentStyleString))
3251         SetFontSizes(12);
3252     }
3253     return false;
3254   }
3255   case ltBIBLIOGRAPHYSTYLE:
3256   {
3257     if (start && !IsArgOptional())
3258       BibliographyStyleString = copystring(GetArgData());
3259     return false;
3260   }
3261   case ltPAGESTYLE:
3262   {
3263     if (start && !IsArgOptional())
3264     {
3265       if (PageStyle) delete[] PageStyle;
3266       PageStyle = copystring(GetArgData());
3267     }
3268     return false;
3269   }
3270 /*
3271   case ltLHEAD:
3272   {
3273     if (start && !IsArgOptional())
3274       LeftHeader = GetArgChunk();
3275     return false;
3276     break;
3277   }
3278   case ltLFOOT:
3279   {
3280     if (start && !IsArgOptional())
3281       LeftFooter = GetArgChunk();
3282     return false;
3283     break;
3284   }
3285   case ltCHEAD:
3286   {
3287     if (start && !IsArgOptional())
3288       CentreHeader = GetArgChunk();
3289     return false;
3290     break;
3291   }
3292   case ltCFOOT:
3293   {
3294     if (start && !IsArgOptional())
3295       CentreFooter = GetArgChunk();
3296     return false;
3297     break;
3298   }
3299   case ltRHEAD:
3300   {
3301     if (start && !IsArgOptional())
3302       RightHeader = GetArgChunk();
3303     return false;
3304     break;
3305   }
3306   case ltRFOOT:
3307   {
3308     if (start && !IsArgOptional())
3309       RightFooter = GetArgChunk();
3310     return false;
3311     break;
3312   }
3313 */
3314   case ltCITE:
3315   case ltSHORTCITE:
3316   {
3317     if (start && !IsArgOptional())
3318     {
3319       wxChar *citeKeys = GetArgData();
3320       int pos = 0;
3321       wxChar *citeKey = ParseMultifieldString(citeKeys, &pos);
3322       while (citeKey)
3323       {
3324         AddCitation(citeKey);
3325         TexRef *ref = FindReference(citeKey);
3326         if (ref)
3327         {
3328           TexOutput(ref->sectionNumber, true);
3329           if (wxStrcmp(ref->sectionNumber, _T("??")) == 0)
3330           {
3331             wxString informBuf;
3332             informBuf.Printf(_T("Warning: unresolved citation %s."), citeKey);
3333             OnInform((wxChar *)informBuf.c_str());
3334           }
3335         }
3336         citeKey = ParseMultifieldString(citeKeys, &pos);
3337         if (citeKey)
3338         {
3339           TexOutput(_T(", "), true);
3340         }
3341       }
3342       return false;
3343     }
3344     break;
3345   }
3346   case ltNOCITE:
3347   {
3348     if (start && !IsArgOptional())
3349     {
3350       wxChar *citeKey = GetArgData();
3351       AddCitation(citeKey);
3352       return false;
3353     }
3354     break;
3355   }
3356   case ltHELPFONTSIZE:
3357   {
3358     if (start)
3359     {
3360       wxChar *data = GetArgData();
3361       if (wxStrcmp(data, _T("10")) == 0)
3362         SetFontSizes(10);
3363       else if (wxStrcmp(data, _T("11")) == 0)
3364         SetFontSizes(11);
3365       else if (wxStrcmp(data, _T("12")) == 0)
3366         SetFontSizes(12);
3367       return false;
3368     }
3369     break;
3370   }
3371   case ltPAGEREF:
3372   {
3373     if (start)
3374     {
3375       TexOutput(_T(" ??"), true);
3376       return false;
3377     }
3378     break;
3379   }
3380   case ltPARSKIP:
3381   {
3382     if (start && arg_no == 1)
3383     {
3384       wxChar *data = GetArgData();
3385       ParSkip = ParseUnitArgument(data);
3386       return false;
3387     }
3388     break;
3389   }
3390   case ltPARINDENT:
3391   {
3392     if (start && arg_no == 1)
3393     {
3394       wxChar *data = GetArgData();
3395       ParIndent = ParseUnitArgument(data);
3396       return false;
3397     }
3398     break;
3399   }
3400   case ltSL:
3401   {
3402     return OnArgument(ltIT, arg_no, start);
3403   }
3404   case ltSPECIALDOUBLEDOLLAR:
3405   {
3406     return OnArgument(ltCENTER, arg_no, start);
3407   }
3408   case ltPARAGRAPH:
3409   case ltPARAGRAPHSTAR:
3410   case ltSUBPARAGRAPH:
3411   case ltSUBPARAGRAPHSTAR:
3412   {
3413     return OnArgument(ltSUBSUBSECTION, arg_no, start);
3414   }
3415   case ltTYPEOUT:
3416   {
3417     if (start)
3418       OnInform(GetArgData());
3419     break;
3420   }
3421   case ltFOOTNOTE:
3422   {
3423     if (start)
3424       TexOutput(_T(" ("), true);
3425     else
3426       TexOutput(_T(")"), true);
3427     break;
3428   }
3429   case ltBIBLIOGRAPHY:
3430   {
3431     if (start)
3432     {
3433       int ch;
3434       wxChar smallBuf[2];
3435       smallBuf[1] = 0;
3436       FILE *fd = wxFopen(TexBibName, _T("r"));
3437       if (fd)
3438       {
3439         ch = getc(fd);
3440         smallBuf[0] = (wxChar)ch;
3441         while (ch != EOF)
3442         {
3443           TexOutput(smallBuf);
3444           ch = getc(fd);
3445           smallBuf[0] = (wxChar)ch;
3446         }
3447         fclose(fd);
3448       }
3449       else
3450       {
3451         OnInform(_T("Run Tex2RTF again to include bibliography."));
3452       }
3453
3454       // Read in the .bib file, resolve all known references, write out the RTF.
3455       wxChar *allFiles = GetArgData();
3456       int pos = 0;
3457       wxChar *bibFile = ParseMultifieldString(allFiles, &pos);
3458       while (bibFile)
3459       {
3460         wxChar fileBuf[300];
3461         wxStrcpy(fileBuf, bibFile);
3462         wxString actualFile = TexPathList.FindValidPath(fileBuf);
3463         if (actualFile.empty())
3464         {
3465           wxStrcat(fileBuf, _T(".bib"));
3466           actualFile = TexPathList.FindValidPath(fileBuf);
3467         }
3468         if (!actualFile.empty())
3469         {
3470           if (!ReadBib((wxChar*) (const wxChar*) actualFile))
3471           {
3472             wxString errBuf;
3473             errBuf.Printf(_T(".bib file %s not found or malformed"), (const wxChar*) actualFile);
3474             OnError((wxChar *)errBuf.c_str());
3475           }
3476         }
3477         else
3478         {
3479           wxString errBuf;
3480           errBuf.Printf(_T(".bib file %s not found"), fileBuf);
3481           OnError((wxChar *)errBuf.c_str());
3482         }
3483         bibFile = ParseMultifieldString(allFiles, &pos);
3484       }
3485
3486       ResolveBibReferences();
3487
3488       // Write it a new bib section in the appropriate format.
3489       FILE *save1 = CurrentOutput1;
3490       FILE *save2 = CurrentOutput2;
3491       FILE *Biblio = wxFopen(TexTmpBibName, _T("w"));
3492       SetCurrentOutput(Biblio);
3493       OutputBib();
3494       fclose(Biblio);
3495       if (wxFileExists(TexTmpBibName))
3496       {
3497         if (wxFileExists(TexBibName)) wxRemoveFile(TexBibName);
3498         wxRenameFile(TexTmpBibName, TexBibName);
3499       }
3500       SetCurrentOutputs(save1, save2);
3501       return false;
3502     }
3503     break;
3504   }
3505   case ltMULTICOLUMN:
3506     return (start && (arg_no == 3));
3507   case ltSCSHAPE:
3508   case ltTEXTSC:
3509   case ltSC:
3510   {
3511     if (start && (arg_no == 1))
3512     {
3513       wxChar *s = GetArgData();
3514       if (s)
3515       {
3516         wxChar *s1 = copystring(s);
3517         int i;
3518         for (i = 0; i < (int)wxStrlen(s); i++)
3519           s1[i] = (wxChar)wxToupper(s[i]);
3520         TexOutput(s1);
3521         delete[] s1;
3522         return false;
3523       }
3524       else return true;
3525
3526     }
3527     return true;
3528   }
3529   case ltLOWERCASE:
3530   {
3531     if (start && (arg_no == 1))
3532     {
3533       wxChar *s = GetArgData();
3534       if (s)
3535       {
3536         wxChar *s1 = copystring(s);
3537         int i;
3538         for (i = 0; i < (int)wxStrlen(s); i++)
3539           s1[i] = (wxChar)wxTolower(s[i]);
3540         TexOutput(s1);
3541         delete[] s1;
3542         return false;
3543       }
3544       else return true;
3545
3546     }
3547     return true;
3548   }
3549   case ltUPPERCASE:
3550   {
3551     if (start && (arg_no == 1))
3552     {
3553       wxChar *s = GetArgData();
3554       if (s)
3555       {
3556         wxChar *s1 = copystring(s);
3557         int i;
3558         for (i = 0; i < (int)wxStrlen(s); i++)
3559           s1[i] = (wxChar)wxToupper(s[i]);
3560         TexOutput(s1);
3561         delete[] s1;
3562         return false;
3563       }
3564       else return true;
3565
3566     }
3567     return true;
3568   }
3569   case ltPOPREF:  // Ignore second argument by default
3570     return (start && (arg_no == 1));
3571   case ltTWOCOLUMN:
3572     return true;
3573   case ltXLPIGNORE:
3574     return ((convertMode == TEX_XLP) ? false : true);
3575   case ltXLPONLY:
3576     return ((convertMode != TEX_XLP) ? false : true);
3577   case ltHTMLIGNORE:
3578     return ((convertMode == TEX_HTML) ? false : true);
3579   case ltHTMLONLY:
3580     return ((convertMode != TEX_HTML) ? false : true);
3581   case ltRTFIGNORE:
3582     return (((convertMode == TEX_RTF) && !winHelp) ? false : true);
3583   case ltRTFONLY:
3584     return (!((convertMode == TEX_RTF) && !winHelp) ? false : true);
3585   case ltWINHELPIGNORE:
3586     return (winHelp ? false : true);
3587   case ltWINHELPONLY:
3588     return (!winHelp ? false : true);
3589   case ltLATEXIGNORE:
3590     return true;
3591   case ltLATEXONLY:
3592     return false;
3593   case ltCLINE:
3594   case ltARABIC:
3595   case ltALPH1:
3596   case ltALPH2:
3597   case ltROMAN:
3598   case ltROMAN2:
3599   case ltSETCOUNTER:
3600   case ltADDTOCOUNTER:
3601   case ltADDCONTENTSLINE:
3602   case ltNEWCOUNTER:
3603   case ltTEXTWIDTH:
3604   case ltTEXTHEIGHT:
3605   case ltBASELINESKIP:
3606   case ltVSPACESTAR:
3607   case ltHSPACESTAR:
3608   case ltVSPACE:
3609   case ltHSPACE:
3610   case ltVSKIPSTAR:
3611   case ltHSKIPSTAR:
3612   case ltVSKIP:
3613   case ltHSKIP:
3614   case ltPAGENUMBERING:
3615   case ltTHEPAGE:
3616   case ltTHECHAPTER:
3617   case ltTHESECTION:
3618   case ltITEMSEP:
3619   case ltFANCYPLAIN:
3620   case ltCHEAD:
3621   case ltRHEAD:
3622   case ltLHEAD:
3623   case ltCFOOT:
3624   case ltRFOOT:
3625   case ltLFOOT:
3626   case ltTHISPAGESTYLE:
3627   case ltMARKRIGHT:
3628   case ltMARKBOTH:
3629   case ltEVENSIDEMARGIN:
3630   case ltODDSIDEMARGIN:
3631   case ltMARGINPAR:
3632   case ltMARGINPARWIDTH:
3633   case ltMARGINPARSEP:
3634   case ltMARGINPAREVEN:
3635   case ltMARGINPARODD:
3636   case ltTWOCOLWIDTHA:
3637   case ltTWOCOLWIDTHB:
3638   case ltTWOCOLSPACING:
3639   case ltSETHEADER:
3640   case ltSETFOOTER:
3641   case ltINDEX:
3642   case ltITEM:
3643   case ltBCOL:
3644   case ltFCOL:
3645   case ltSETHOTSPOTCOLOUR:
3646   case ltSETHOTSPOTCOLOR:
3647   case ltSETHOTSPOTUNDERLINE:
3648   case ltSETTRANSPARENCY:
3649   case ltUSEPACKAGE:
3650   case ltBACKGROUND:
3651   case ltBACKGROUNDCOLOUR:
3652   case ltBACKGROUNDIMAGE:
3653   case ltLINKCOLOUR:
3654   case ltFOLLOWEDLINKCOLOUR:
3655   case ltTEXTCOLOUR:
3656   case ltIMAGE:
3657   case ltIMAGEMAP:
3658   case ltIMAGEL:
3659   case ltIMAGER:
3660   case ltPOPREFONLY:
3661   case ltINSERTATLEVEL:
3662     return false;
3663   case ltTABULAR:
3664   case ltSUPERTABULAR:
3665   case ltINDENTED:
3666   case ltSIZEDBOX:
3667   case ltSIZEDBOXD:
3668     return (arg_no == 2);
3669   case ltDEFINECOLOUR:
3670   case ltDEFINECOLOR:
3671   {
3672     static int redVal = 0;
3673     static int greenVal = 0;
3674     static int blueVal = 0;
3675     static wxChar *colourName = NULL;
3676     if (start)
3677     {
3678       switch (arg_no)
3679       {
3680         case 1:
3681         {
3682           if (colourName) delete[] colourName;
3683           colourName = copystring(GetArgData());
3684           break;
3685         }
3686         case 2:
3687         {
3688           redVal = wxAtoi(GetArgData());
3689           break;
3690         }
3691         case 3:
3692         {
3693           greenVal = wxAtoi(GetArgData());
3694           break;
3695         }
3696         case 4:
3697         {
3698           blueVal = wxAtoi(GetArgData());
3699           AddColour(colourName, redVal, greenVal, blueVal);
3700           break;
3701         }
3702         default:
3703           break;
3704       }
3705     }
3706     return false;
3707   }
3708   case ltFIGURE:
3709   case ltFIGURESTAR:
3710   case ltNORMALBOX:
3711   case ltNORMALBOXD:
3712   default:
3713     return (!IsArgOptional());
3714   }
3715   return true;
3716 }