src/LaTeXFeatures.cpp

   1 /**
   2  * \file LaTeXFeatures.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author José Matos
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author Jürgen Vigna
  10  * \author André Pönitz
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "LaTeXFeatures.h"
  18
  19 #include "Buffer.h"
  20 #include "BufferParams.h"
  21 #include "ColorSet.h"
  22 #include "Converter.h"
  23 #include "Encoding.h"
  24 #include "Floating.h"
  25 #include "FloatList.h"
  26 #include "Language.h"
  27 #include "Layout.h"
  28 #include "Lexer.h"
  29 #include "LyXRC.h"
  30 #include "TextClass.h"
  31
  32 #include "insets/InsetLayout.h"
  33
  34 #include "support/debug.h"
  35 #include "support/docstream.h"
  36 #include "support/FileName.h"
  37 #include "support/filetools.h"
  38 #include "support/gettext.h"
  39 #include "support/lstrings.h"
  40
  41 #include <algorithm>
  42
  43
  44 using namespace std;
  45 using namespace lyx::support;
  46
  47
  48 namespace lyx {
  49
  50 /////////////////////////////////////////////////////////////////////
  51 //
  52 // Strings
  53 //
  54 /////////////////////////////////////////////////////////////////////
  55
  56 //\NeedsTeXFormat{LaTeX2e}
  57 //\ProvidesPackage{lyx}[1996/01/11 LLE v0.2 (LyX LaTeX Extensions)]
  58 //\message{LyX LaTeX Extensions (LLE v0.2) of 11-Jan-1996.}
  59
  60 static docstring const lyx_def = from_ascii(
  61         "\\providecommand{\\LyX}{L\\kern-.1667em\\lower.25em\\hbox{Y}\\kern-.125emX\\@}");
  62
  63 static docstring const lyxline_def = from_ascii(
  64         "\\newcommand{\\lyxline}[1][1pt]{%\n"
  65         "  \\par\\noindent%\n"
  66         "  \\rule[.5ex]{\\linewidth}{#1}\\par}");
  67
  68 static docstring const noun_def = from_ascii(
  69         "\\newcommand{\\noun}[1]{\\textsc{#1}}");
  70
  71 static docstring const lyxarrow_def = from_ascii(
  72         "\\DeclareRobustCommand*{\\lyxarrow}{%\n"
  73         "\\@ifstar\n"
  74         "{\\leavevmode\\,$\\triangleleft$\\,\\allowbreak}\n"
  75         "{\\leavevmode\\,$\\triangleright$\\,\\allowbreak}}");
  76
  77 // for quotes without babel. This does not give perfect results, but
  78 // anybody serious about non-english quotes should use babel (JMarc).
  79
  80 static docstring const quotedblbase_def = from_ascii(
  81         "\\ProvideTextCommandDefault{\\quotedblbase}{%\n"
  82         "  \\raisebox{-1.4ex}[1ex][.5ex]{\\textquotedblright}%\n"
  83         "  \\penalty10000\\hskip0em\\relax%\n"
  84         "}");
  85
  86 static docstring const quotesinglbase_def = from_ascii(
  87         "\\ProvideTextCommandDefault{\\quotesinglbase}{%\n"
  88         "  \\raisebox{-1.4ex}[1ex][.5ex]{\\textquoteright}%\n"
  89         "  \\penalty10000\\hskip0em\\relax%\n"
  90         "}");
  91
  92 static docstring const guillemotleft_def = from_ascii(
  93         "\\ProvideTextCommandDefault{\\guillemotleft}{%\n"
  94         "  {\\usefont{U}{lasy}{m}{n}\\char'50\\kern-.15em\\char'50}%\n"
  95         "\\penalty10000\\hskip0pt\\relax%\n"
  96         "}");
  97
  98 static docstring const guillemotright_def = from_ascii(
  99         "\\ProvideTextCommandDefault{\\guillemotright}{%\n"
 100         "  \\penalty10000\\hskip0pt%\n"
 101         "  {\\usefont{U}{lasy}{m}{n}\\char'51\\kern-.15em\\char'51}%\n"
 102         "}");
 103
 104 static docstring const guilsinglleft_def = from_ascii(
 105         "\\ProvideTextCommandDefault{\\guilsinglleft}{%\n"
 106         "  {\\usefont{U}{lasy}{m}{n}\\char'50}%\n"
 107         "  \\penalty10000\\hskip0pt\\relax%\n"
 108         "}");
 109
 110 static docstring const guilsinglright_def = from_ascii(
 111         "\\ProvideTextCommandDefault{\\guilsinglright}{%\n"
 112         "  \\penalty10000\\hskip0pt%\n"
 113         "  {\\usefont{U}{lasy}{m}{n}\\char'51}%\n"
 114         "}");
 115
 116 static docstring const paragraphleftindent_def = from_ascii(
 117         "\\newenvironment{LyXParagraphLeftIndent}[1]%\n"
 118         "{\n"
 119         "  \\begin{list}{}{%\n"
 120         "    \\setlength{\\topsep}{0pt}%\n"
 121         "    \\addtolength{\\leftmargin}{#1}\n"
 122 // ho hum, yet more things commented out with no hint as to why they
 123 // weren't just removed
 124 //      "%%    \\addtolength{\\leftmargin}{#1\\textwidth}\n"
 125 //      "%%    \\setlength{\\textwidth}{#2\\textwidth}\n"
 126 //      "%%    \\setlength\\listparindent\\parindent%\n"
 127 //      "%%    \\setlength\\itemindent\\parindent%\n"
 128         "    \\setlength{\\parsep}{0pt plus 1pt}%\n"
 129         "  }\n"
 130         "  \\item[]\n"
 131         "}\n"
 132         "{\\end{list}}\n");
 133
 134 static docstring const floatingfootnote_def = from_ascii(
 135         "%% Special footnote code from the package 'stblftnt.sty'\n"
 136         "%% Author: Robin Fairbairns -- Last revised Dec 13 1996\n"
 137         "\\let\\SF@@footnote\\footnote\n"
 138         "\\def\\footnote{\\ifx\\protect\\@typeset@protect\n"
 139         "    \\expandafter\\SF@@footnote\n"
 140         "  \\else\n"
 141         "    \\expandafter\\SF@gobble@opt\n"
 142         "  \\fi\n"
 143         "}\n"
 144         "\\expandafter\\def\\csname SF@gobble@opt \\endcsname{\\@ifnextchar[%]\n"
 145         "  \\SF@gobble@twobracket\n"
 146         "  \\@gobble\n"
 147         "}\n"
 148         "\\edef\\SF@gobble@opt{\\noexpand\\protect\n"
 149         "  \\expandafter\\noexpand\\csname SF@gobble@opt \\endcsname}\n"
 150         "\\def\\SF@gobble@twobracket[#1]#2{}\n");
 151
 152 static docstring const binom_def = from_ascii(
 153         "%% Binom macro for standard LaTeX users\n"
 154         "\\newcommand{\\binom}[2]{{#1 \\choose #2}}\n");
 155
 156 static docstring const mathcircumflex_def = from_ascii(
 157         "%% For printing a cirumflex inside a formula\n"
 158         "\\newcommand{\\mathcircumflex}[0]{\\mbox{\\^{}}}\n");
 159
 160 static docstring const tabularnewline_def = from_ascii(
 161         "%% Because html converters don't know tabularnewline\n"
 162         "\\providecommand{\\tabularnewline}{\\\\}\n");
 163
 164 static docstring const lyxgreyedout_def = from_ascii(
 165         "%% The greyedout annotation environment\n"
 166         "\\newenvironment{lyxgreyedout}{\\textcolor{note_fontcolor}\\bgroup}{\\egroup}\n");
 167
 168 // We want to omit the file extension for includegraphics, but this does not
 169 // work when the filename contains other dots.
 170 // Idea from http://www.tex.ac.uk/cgi-bin/texfaq2html?label=unkgrfextn
 171 static docstring const lyxdot_def = from_ascii(
 172         "%% A simple dot to overcome graphicx limitations\n"
 173         "\\newcommand{\\lyxdot}{.}\n");
 174
 175 static docstring const changetracking_dvipost_def = from_ascii(
 176         "%% Change tracking with dvipost\n"
 177         "\\dvipostlayout\n"
 178         "\\dvipost{osstart color push Red}\n"
 179         "\\dvipost{osend color pop}\n"
 180         "\\dvipost{cbstart color push Blue}\n"
 181         "\\dvipost{cbend color pop}\n"
 182         "\\newcommand{\\lyxadded}[3]{\\changestart#3\\changeend}\n"
 183         "\\newcommand{\\lyxdeleted}[3]{%\n"
 184         "\\changestart\\overstrikeon#3\\overstrikeoff\\changeend}\n");
 185
 186 static docstring const changetracking_xcolor_ulem_def = from_ascii(
 187         "%% Change tracking with ulem\n"
 188         "\\newcommand{\\lyxadded}[3]{{\\color{lyxadded}{}#3}}\n"
 189         "\\newcommand{\\lyxdeleted}[3]{{\\color{lyxdeleted}\\sout{#3}}}\n");
 190
 191 static docstring const changetracking_xcolor_ulem_hyperref_def = from_ascii(
 192         "%% Change tracking with ulem\n"
 193         "\\newcommand{\\lyxadded}[3]{{\\texorpdfstring{\\color{lyxadded}{}}{}#3}}\n"
 194         "\\newcommand{\\lyxdeleted}[3]{{\\texorpdfstring{\\color{lyxdeleted}\\sout{#3}}{}}}\n");
 195
 196 static docstring const changetracking_none_def = from_ascii(
 197         "\\newcommand{\\lyxadded}[3]{#3}\n"
 198         "\\newcommand{\\lyxdeleted}[3]{}\n");
 199
 200 static docstring const textgreek_def = from_ascii(
 201         "\\DeclareRobustCommand{\\greektext}{%\n"
 202         "  \\fontencoding{LGR}\\selectfont\\def\\encodingdefault{LGR}}\n"
 203         "\\DeclareRobustCommand{\\textgreek}[1]{\\leavevmode{\\greektext #1}}\n"
 204         "\\DeclareFontEncoding{LGR}{}{}\n"
 205         "\\DeclareTextSymbol{\\~}{LGR}{126}");
 206
 207 static docstring const textcyr_def = from_ascii(
 208         "\\DeclareRobustCommand{\\cyrtext}{%\n"
 209         "  \\fontencoding{T2A}\\selectfont\\def\\encodingdefault{T2A}}\n"
 210         "\\DeclareRobustCommand{\\textcyr}[1]{\\leavevmode{\\cyrtext #1}}\n"
 211         "\\AtBeginDocument{\\DeclareFontEncoding{T2A}{}{}}\n");
 212
 213 static docstring const lyxmathsym_def = from_ascii(
 214         "\\newcommand{\\lyxmathsym}[1]{\\ifmmode\\begingroup\\def\\b@ld{bold}\n"
 215         "  \\text{\\ifx\\math@version\\b@ld\\bfseries\\fi#1}\\endgroup\\else#1\\fi}\n");
 216
 217 static docstring const papersizedvi_def = from_ascii(
 218         "\\special{papersize=\\the\\paperwidth,\\the\\paperheight}\n");
 219
 220 static docstring const papersizepdf_def = from_ascii(
 221         "\\pdfpageheight\\paperheight\n"
 222         "\\pdfpagewidth\\paperwidth\n");
 223
 224 static docstring const cedilla_def = from_ascii(
 225         "\\newcommand{\\docedilla}[2]{\\underaccent{#1\\mathchar'30}{#2}}\n"
 226         "\\newcommand{\\cedilla}[1]{\\mathpalette\\docedilla{#1}}\n");
 227
 228 static docstring const subring_def = from_ascii(
 229         "\\newcommand{\\dosubring}[2]{\\underaccent{#1\\mathchar'27}{#2}}\n"
 230         "\\newcommand{\\subring}[1]{\\mathpalette\\dosubring{#1}}\n");
 231
 232 static docstring const subdot_def = from_ascii(
 233         "\\newcommand{\\dosubdot}[2]{\\underaccent{#1.}{#2}}\n"
 234         "\\newcommand{\\subdot}[1]{\\mathpalette\\dosubdot{#1}}\n");
 235
 236 static docstring const subhat_def = from_ascii(
 237         "\\newcommand{\\dosubhat}[2]{\\underaccent{#1\\mathchar'136}{#2}}\n"
 238         "\\newcommand{\\subhat}[1]{\\mathpalette\\dosubhat{#1}}\n");
 239
 240 static docstring const subtilde_def = from_ascii(
 241         "\\newcommand{\\dosubtilde}[2]{\\underaccent{#1\\mathchar'176}{#2}}\n"
 242         "\\newcommand{\\subtilde}[1]{\\mathpalette\\dosubtilde{#1}}\n");
 243
 244 static docstring const dacute_def = from_ascii(
 245         "\\DeclareMathAccent{\\dacute}{\\mathalpha}{operators}{'175}\n");
 246
 247 static docstring const tipasymb_def = from_ascii(
 248         "\\DeclareFontEncoding{T3}{}{}\n"
 249         "\\DeclareSymbolFont{tipasymb}{T3}{cmr}{m}{n}\n");
 250
 251 static docstring const dgrave_def = from_ascii(
 252         "\\DeclareMathAccent{\\dgrave}{\\mathord}{tipasymb}{'15}\n");
 253
 254 static docstring const rcap_def = from_ascii(
 255         "\\DeclareMathAccent{\\rcap}{\\mathord}{tipasymb}{'20}\n");
 256
 257 static docstring const ogonek_def = from_ascii(
 258         "\\newcommand{\\doogonek}[2]{\\setbox0=\\hbox{$#1#2$}\\underaccent{#1\\mkern-6mu\n"
 259         "  \\ifx#2O\\hskip0.5\\wd0\\else\\ifx#2U\\hskip0.5\\wd0\\else\\hskip\\wd0\\fi\\fi\n"
 260         "  \\ifx#2o\\mkern-2mu\\else\\ifx#2e\\mkern-1mu\\fi\\fi\n"
 261         "  \\mathchar\"0\\hexnumber@\\symtipasymb0C}{#2}}\n"
 262         "\\newcommand{\\ogonek}[1]{\\mathpalette\\doogonek{#1}}\n");
 263
 264 /////////////////////////////////////////////////////////////////////
 265 //
 266 // LaTeXFeatures
 267 //
 268 /////////////////////////////////////////////////////////////////////
 269
 270 LaTeXFeatures::Packages LaTeXFeatures::packages_;
 271
 272
 273 LaTeXFeatures::LaTeXFeatures(Buffer const & b, BufferParams const & p,
 274                              OutputParams const & r)
 275         : buffer_(&b), params_(p), runparams_(r), in_float_(false)
 276 {}
 277
 278
 279 bool LaTeXFeatures::useBabel() const
 280 {
 281         return lyxrc.language_use_babel ||
 282                 (bufferParams().language->lang() != lyxrc.default_language &&
 283                  !bufferParams().language->babel().empty()) ||
 284                 this->hasLanguages();
 285 }
 286
 287
 288 void LaTeXFeatures::require(string const & name)
 289 {
 290         features_.insert(name);
 291 }
 292
 293
 294 void LaTeXFeatures::require(set<string> const & names)
 295 {
 296         features_.insert(names.begin(), names.end());
 297 }
 298
 299
 300 void LaTeXFeatures::getAvailable()
 301 {
 302         Lexer lex;
 303         support::FileName const real_file = libFileSearch("", "packages.lst");
 304
 305         if (real_file.empty())
 306                 return;
 307
 308         lex.setFile(real_file);
 309
 310         if (!lex.isOK())
 311                 return;
 312
 313         // Make sure that we are clean
 314         packages_.clear();
 315
 316         bool finished = false;
 317         // Parse config-file
 318         while (lex.isOK() && !finished) {
 319                 switch (lex.lex()) {
 320                 case Lexer::LEX_FEOF:
 321                         finished = true;
 322                         break;
 323                 default:
 324                         packages_.insert(lex.getString());
 325                 }
 326         }
 327 }
 328
 329
 330 void LaTeXFeatures::useLayout(docstring const & layoutname)
 331 {
 332         // Some code to avoid loops in dependency definition
 333         static int level = 0;
 334         const int maxlevel = 30;
 335         if (level > maxlevel) {
 336                 lyxerr << "LaTeXFeatures::useLayout: maximum level of "
 337                        << "recursion attained by layout "
 338                        << to_utf8(layoutname) << endl;
 339                 return;
 340         }
 341
 342         DocumentClass const & tclass = params_.documentClass();
 343         if (tclass.hasLayout(layoutname)) {
 344                 // Is this layout already in usedLayouts?
 345                 if (find(usedLayouts_.begin(), usedLayouts_.end(), layoutname)
 346                     != usedLayouts_.end())
 347                         return;
 348
 349                 Layout const & layout = tclass[layoutname];
 350                 require(layout.requires());
 351
 352                 if (!layout.depends_on().empty()) {
 353                         ++level;
 354                         useLayout(layout.depends_on());
 355                         --level;
 356                 }
 357                 usedLayouts_.push_back(layoutname);
 358         } else {
 359                 lyxerr << "LaTeXFeatures::useLayout: layout `"
 360                        << to_utf8(layoutname) << "' does not exist in this class"
 361                        << endl;
 362         }
 363
 364         --level;
 365 }
 366
 367
 368 void LaTeXFeatures::useInsetLayout(InsetLayout const & lay)
 369 {
 370         docstring const & lname = lay.name();
 371         DocumentClass const & tclass = params_.documentClass();
 372
 373         // this is a default inset layout, nothing useful here
 374         if (!tclass.hasInsetLayout(lname))
 375                 return;
 376         // Is this layout already in usedInsetLayouts?
 377         if (find(usedInsetLayouts_.begin(), usedInsetLayouts_.end(), lname)
 378                         != usedInsetLayouts_.end())
 379                 return;
 380
 381         require(lay.requires());
 382         usedInsetLayouts_.push_back(lname);
 383 }
 384
 385
 386 bool LaTeXFeatures::isRequired(string const & name) const
 387 {
 388         return features_.find(name) != features_.end();
 389 }
 390
 391
 392 bool LaTeXFeatures::mustProvide(string const & name) const
 393 {
 394         return isRequired(name) && !params_.documentClass().provides(name);
 395 }
 396
 397
 398 bool LaTeXFeatures::isAvailable(string const & name)
 399 {
 400         string::size_type const i = name.find("->");
 401         if (i != string::npos) {
 402                 string const from = name.substr(0,i);
 403                 string const to = name.substr(i+2);
 404                 //LYXERR0("from=[" << from << "] to=[" << to << "]");
 405                 return theConverters().isReachable(from, to);
 406         }
 407
 408         if (packages_.empty())
 409                 getAvailable();
 410         string n = name;
 411         if (suffixIs(n, ".sty"))
 412                 n.erase(name.length() - 4);
 413         return packages_.find(n) != packages_.end();
 414 }
 415
 416
 417 void LaTeXFeatures::addPreambleSnippet(string const & preamble)
 418 {
 419         SnippetList::const_iterator begin = preamble_snippets_.begin();
 420         SnippetList::const_iterator end   = preamble_snippets_.end();
 421         if (find(begin, end, preamble) == end)
 422                 preamble_snippets_.push_back(preamble);
 423 }
 424
 425
 426 void LaTeXFeatures::useFloat(string const & name, bool subfloat)
 427 {
 428         if (!usedFloats_[name])
 429                 usedFloats_[name] = subfloat;
 430         if (subfloat)
 431                 require("subfig");
 432         // We only need float.sty if we use non builtin floats, or if we
 433         // use the "H" modifier. This includes modified table and
 434         // figure floats. (Lgb)
 435         Floating const & fl = params_.documentClass().floats().getType(name);
 436         if (!fl.floattype().empty() && fl.needsFloatPkg()) {
 437                 require("float");
 438         }
 439 }
 440
 441
 442 void LaTeXFeatures::useLanguage(Language const * lang)
 443 {
 444         if (!lang->babel().empty())
 445                 UsedLanguages_.insert(lang);
 446         if (lang->lang() == "vietnamese")
 447                 require("vietnamese");
 448         // CJK languages do not have a babel name.
 449         // They use the CJK package
 450         if (lang->encoding()->package() == Encoding::CJK)
 451                 require("CJK");
 452         // japanese package is special
 453         if (lang->encoding()->package() == Encoding::japanese)
 454                 require("japanese");
 455 }
 456
 457
 458 void LaTeXFeatures::includeFile(docstring const & key, string const & name)
 459 {
 460         IncludedFiles_[key] = name;
 461 }
 462
 463
 464 bool LaTeXFeatures::hasLanguages() const
 465 {
 466         return !UsedLanguages_.empty();
 467 }
 468
 469
 470 string LaTeXFeatures::getLanguages() const
 471 {
 472         ostringstream languages;
 473
 474         LanguageList::const_iterator const begin = UsedLanguages_.begin();
 475         for (LanguageList::const_iterator cit = begin;
 476              cit != UsedLanguages_.end();
 477              ++cit) {
 478                 if (cit != begin)
 479                         languages << ',';
 480                 languages << (*cit)->babel();
 481         }
 482         return languages.str();
 483 }
 484
 485
 486 set<string> LaTeXFeatures::getEncodingSet(string const & doc_encoding) const
 487 {
 488         // This does only find encodings of languages supported by babel, but
 489         // that does not matter since we don't have a language with an
 490         // encoding supported by inputenc but without babel support.
 491         set<string> encodings;
 492         LanguageList::const_iterator it  = UsedLanguages_.begin();
 493         LanguageList::const_iterator end = UsedLanguages_.end();
 494         for (; it != end; ++it)
 495                 if ((*it)->encoding()->latexName() != doc_encoding &&
 496                     ((*it)->encoding()->package() == Encoding::inputenc
 497                      || (*it)->encoding()->package() == Encoding::japanese))
 498                         encodings.insert((*it)->encoding()->latexName());
 499         return encodings;
 500 }
 501
 502 namespace {
 503
 504 char const * simplefeatures[] = {
 505 // note that the package order here will be the same in the LaTeX-output
 506         "array",
 507         "verbatim",
 508         "longtable",
 509         "rotating",
 510         "latexsym",
 511         "pifont",
 512         // subfig is handled in BufferParams.cpp
 513         "varioref",
 514         "prettyref",
 515         /*For a successful cooperation of the `wrapfig' package with the
 516           `float' package you should load the `wrapfig' package *after*
 517           the `float' package. See the caption package documentation
 518           for explanation.*/
 519         "float",
 520         "rotfloat",
 521         "wrapfig",
 522         "booktabs",
 523         "dvipost",
 524         "fancybox",
 525         "calc",
 526         "units",
 527         "tipa",
 528         "tipx",
 529         "framed",
 530         "soul",
 531         "textcomp",
 532         "pmboxdraw",
 533         "bbding",
 534         "ifsym",
 535         "marvosym",
 536         "txfonts",
 537         "mathrsfs",
 538         "ascii",
 539         "url",
 540         "covington",
 541         "csquotes",
 542         "enumitem",
 543         "endnotes",
 544         "ifthen",
 545         "amsthm",
 546         // listings is handled in BufferParams.cpp
 547         "bm",
 548         "pdfpages",
 549         "amscd",
 550         "slashed",
 551         "multirow"
 552 };
 553
 554 int const nb_simplefeatures = sizeof(simplefeatures) / sizeof(char const *);
 555
 556 }
 557
 558
 559 string const LaTeXFeatures::getColorOptions() const
 560 {
 561         ostringstream colors;
 562
 563         // Handling the color packages separately is needed to be able to load them
 564         // before babel when hyperref is loaded with the colorlinks option
 565         // for more info see Bufferparams.cpp
 566
 567         // [x]color.sty
 568         if (mustProvide("color") || mustProvide("xcolor")) {
 569                 string const package =
 570                         (mustProvide("xcolor") ? "xcolor" : "color");
 571                 if (params_.graphicsDriver == "default"
 572                         || params_.graphicsDriver == "none")
 573                         colors << "\\usepackage{" << package << "}\n";
 574                 else
 575                         colors << "\\usepackage["
 576                                  << params_.graphicsDriver
 577                                  << "]{" << package << "}\n";
 578         }
 579
 580         // pdfcolmk must be loaded after color
 581         if (mustProvide("pdfcolmk"))
 582                 colors << "\\usepackage{pdfcolmk}\n";
 583
 584         // the following 3 color commands must be set after color
 585         // is loaded and before pdfpages, therefore add the command
 586         // here define the set color
 587         if (mustProvide("pagecolor")) {
 588                 colors << "\\definecolor{page_backgroundcolor}{rgb}{";
 589                 colors << outputLaTeXColor(params_.backgroundcolor) << "}\n";
 590                 // set the page color
 591                 colors << "\\pagecolor{page_backgroundcolor}\n";
 592         }
 593
 594         if (mustProvide("fontcolor")) {
 595                 colors << "\\definecolor{document_fontcolor}{rgb}{";
 596                 colors << outputLaTeXColor(params_.fontcolor) << "}\n";
 597                 // set the color
 598                 colors << "\\color{document_fontcolor}\n";
 599         }
 600
 601         if (mustProvide("lyxgreyedout")) {
 602                 colors << "\\definecolor{note_fontcolor}{rgb}{";
 603                 colors << outputLaTeXColor(params_.notefontcolor) << "}\n";
 604                 // the color will be set together with the definition of
 605                 // the lyxgreyedout environment (see lyxgreyedout_def)
 606         }
 607
 608         // color for shaded boxes
 609         if (isRequired("framed") && mustProvide("color")) {
 610                 colors << "\\definecolor{shadecolor}{rgb}{";
 611                 colors << outputLaTeXColor(params_.boxbgcolor) << "}\n";
 612                 // this color is automatically used by the LaTeX-package "framed"
 613         }
 614
 615         return colors.str();
 616 }
 617
 618
 619 string const LaTeXFeatures::getPackages() const
 620 {
 621         ostringstream packages;
 622         DocumentClass const & tclass = params_.documentClass();
 623
 624         // FIXME: currently, we can only load packages and macros known
 625         // to LyX.
 626         // However, with the Require tag of layouts/custom insets,
 627         // also inknown packages can be requested. They are silently
 628         // swallowed now. We should change this eventually.
 629
 630         //
 631         //  These are all the 'simple' includes.  i.e
 632         //  packages which we just \usepackage{package}
 633         //
 634         for (int i = 0; i < nb_simplefeatures; ++i) {
 635                 if (mustProvide(simplefeatures[i]))
 636                         packages << "\\usepackage{"
 637                                  << simplefeatures[i] << "}\n";
 638         }
 639
 640         //
 641         // The rest of these packages are somewhat more complicated
 642         // than those above.
 643         //
 644
 645         // esint is preferred for esintoramsmath
 646         if ((mustProvide("amsmath")
 647              && params_.use_amsmath != BufferParams::package_off)
 648             || (mustProvide("esintoramsmath")
 649                 && params_.use_esint == BufferParams::package_off
 650                 && params_.use_amsmath != BufferParams::package_off)) {
 651                 packages << "\\usepackage{amsmath}\n";
 652         } else {
 653                 // amsbsy and amstext are already provided by amsmath
 654                 if (mustProvide("amsbsy"))
 655                         packages << "\\usepackage{amsbsy}\n";
 656                 if (mustProvide("amstext"))
 657                         packages << "\\usepackage{amstext}\n";
 658         }
 659
 660         // wasysym is a simple feature, but it must be after amsmath if both
 661         // are used
 662         // wasysym redefines some integrals (e.g. iint) from amsmath. That
 663         // leads to inconsistent integrals. We only load this package if
 664         // the document does not contain integrals (then isRequired("esint")
 665         // is false) or if esint is used, since esint redefines all relevant
 666         // integral symbols from wasysym and amsmath.
 667         // See http://www.lyx.org/trac/ticket/1942
 668         if (mustProvide("wasysym") &&
 669             (params_.use_esint != BufferParams::package_off || !isRequired("esint")))
 670                 packages << "\\usepackage{wasysym}\n";
 671
 672         // accents must be loaded after amsmath
 673         if (mustProvide("accents"))
 674                 packages << "\\usepackage{accents}\n";
 675
 676         // mathdots must be loaded after amsmath
 677         if (mustProvide("mathdots") &&
 678                 params_.use_mathdots != BufferParams::package_off)
 679                 packages << "\\usepackage{mathdots}\n";
 680
 681         // yhmath must be loaded after amsmath
 682         if (mustProvide("yhmath"))
 683                 packages << "\\usepackage{yhmath}\n";
 684
 685         // [x]color and pdfcolmk are handled in getColorOptions() above
 686
 687         // makeidx.sty
 688         if (isRequired("makeidx") || isRequired("splitidx")) {
 689                 if (!tclass.provides("makeidx") && !isRequired("splitidx"))
 690                         packages << "\\usepackage{makeidx}\n";
 691                 if (!tclass.provides("splitidx") && isRequired("splitidx"))
 692                         packages << "\\usepackage{splitidx}\n";
 693                 packages << "\\makeindex\n";
 694         }
 695
 696         // graphicx.sty
 697         if (mustProvide("graphicx") && params_.graphicsDriver != "none") {
 698                 if (params_.graphicsDriver == "default")
 699                         packages << "\\usepackage{graphicx}\n";
 700                 else
 701                         packages << "\\usepackage["
 702                                  << params_.graphicsDriver
 703                                  << "]{graphicx}\n";
 704         }
 705
 706         // lyxskak.sty --- newer chess support based on skak.sty
 707         if (mustProvide("chess"))
 708                 packages << "\\usepackage[ps,mover]{lyxskak}\n";
 709
 710         // setspace.sty
 711         if (mustProvide("setspace") && !tclass.provides("SetSpace"))
 712                 packages << "\\usepackage{setspace}\n";
 713
 714         // amssymb.sty
 715         if (mustProvide("amssymb")
 716             || params_.use_amsmath == BufferParams::package_on)
 717                 packages << "\\usepackage{amssymb}\n";
 718
 719         // esint must be after amsmath and wasysym, since it will redeclare
 720         // inconsistent integral symbols
 721         if ((mustProvide("esint") || mustProvide("esintoramsmath")) &&
 722             params_.use_esint != BufferParams::package_off)
 723                 packages << "\\usepackage{esint}\n";
 724
 725         // natbib.sty
 726         // Some classes load natbib themselves, but still allow (or even require)
 727         // plain numeric citations (ReVTeX is such a case, see bug 5182).
 728         // This special case is indicated by the "natbib-internal" key.
 729         if (mustProvide("natbib") && !tclass.provides("natbib-internal")) {
 730                 packages << "\\usepackage[";
 731                 if (params_.citeEngine() == ENGINE_NATBIB_NUMERICAL)
 732                         packages << "numbers";
 733                 else
 734                         packages << "authoryear";
 735                 packages << "]{natbib}\n";
 736         }
 737
 738         // jurabib -- we need version 0.6 at least.
 739         if (mustProvide("jurabib"))
 740                 packages << "\\usepackage{jurabib}[2004/01/25]\n";
 741
 742         // xargs -- we need version 1.09 at least
 743         if (mustProvide("xargs"))
 744                 packages << "\\usepackage{xargs}[2008/03/08]\n";
 745
 746         // bibtopic -- the dot provides the aux file naming which
 747         // LyX can detect.
 748         if (mustProvide("bibtopic"))
 749                 packages << "\\usepackage[dot]{bibtopic}\n";
 750
 751         if (mustProvide("xy"))
 752                 packages << "\\usepackage[all]{xy}\n";
 753
 754         if (mustProvide("ulem"))
 755                 packages << "\\PassOptionsToPackage{normalem}{ulem}\n"
 756                             "\\usepackage{ulem}\n";
 757
 758         if (mustProvide("mhchem") &&
 759                 params_.use_mhchem != BufferParams::package_off)
 760                 packages << "\\PassOptionsToPackage{version=3}{mhchem}\n"
 761                             "\\usepackage{mhchem}\n";
 762
 763         if (mustProvide("nomencl")) {
 764                 // Make it work with the new and old version of the package,
 765                 // but don't use the compatibility option since it is
 766                 // incompatible to other packages.
 767                 packages << "\\usepackage{nomencl}\n"
 768                             "% the following is useful when we have the old nomencl.sty package\n"
 769                             "\\providecommand{\\printnomenclature}{\\printglossary}\n"
 770                             "\\providecommand{\\makenomenclature}{\\makeglossary}\n"
 771                             "\\makenomenclature\n";
 772         }
 773
 774         return packages.str();
 775 }
 776
 777
 778 string LaTeXFeatures::getPreambleSnippets() const
 779 {
 780         ostringstream snip;
 781         SnippetList::const_iterator pit  = preamble_snippets_.begin();
 782         SnippetList::const_iterator pend = preamble_snippets_.end();
 783         for (; pit != pend; ++pit)
 784                 snip << *pit << '\n';
 785         return snip.str();
 786 }
 787
 788
 789 docstring const LaTeXFeatures::getMacros() const
 790 {
 791         odocstringstream macros;
 792
 793         if (!preamble_snippets_.empty()) {
 794                 macros << '\n';
 795                 macros << from_utf8(getPreambleSnippets());
 796         }
 797
 798         if (mustProvide("papersize")) {
 799                 if (runparams_.flavor == OutputParams::LATEX)
 800                         macros << papersizedvi_def << '\n';
 801                 else
 802                         macros << papersizepdf_def << '\n';
 803         }
 804
 805         if (mustProvide("LyX"))
 806                 macros << lyx_def << '\n';
 807
 808         if (mustProvide("lyxline"))
 809                 macros << lyxline_def << '\n';
 810
 811         if (mustProvide("noun"))
 812                 macros << noun_def << '\n';
 813
 814         if (mustProvide("lyxarrow"))
 815                 macros << lyxarrow_def << '\n';
 816
 817         if (mustProvide("textgreek")) {
 818                 // Avoid a LaTeX error if times fonts are used and the grtimes
 819                 // package is installed but actual fonts are not (bug 6469).
 820                 if (params_.fontsRoman == "times")
 821                         macros << subst(textgreek_def,
 822                                         from_ascii("\\greektext #1"),
 823                                         from_ascii("%\n  \\IfFileExists"
 824                                                    "{grtm10.tfm}{}{\\fontfamily"
 825                                                    "{cmr}}\\greektext #1"))
 826                                << '\n';
 827                 else
 828                         macros << textgreek_def << '\n';
 829         }
 830
 831         if (mustProvide("textcyr"))
 832                 macros << textcyr_def << '\n';
 833
 834         if (mustProvide("lyxmathsym"))
 835                 macros << lyxmathsym_def << '\n';
 836
 837         if (mustProvide("cedilla"))
 838                 macros << cedilla_def << '\n';
 839
 840         if (mustProvide("subring"))
 841                 macros << subring_def << '\n';
 842
 843         if (mustProvide("subdot"))
 844                 macros << subdot_def << '\n';
 845
 846         if (mustProvide("subhat"))
 847                 macros << subhat_def << '\n';
 848
 849         if (mustProvide("subtilde"))
 850                 macros << subtilde_def << '\n';
 851
 852         if (mustProvide("dacute"))
 853                 macros << dacute_def << '\n';
 854
 855         if (mustProvide("tipasymb"))
 856                 macros << tipasymb_def << '\n';
 857
 858         if (mustProvide("dgrave"))
 859                 macros << dgrave_def << '\n';
 860
 861         if (mustProvide("rcap"))
 862                 macros << rcap_def << '\n';
 863
 864         if (mustProvide("ogonek"))
 865                 macros << ogonek_def << '\n';
 866
 867         // quotes.
 868         if (mustProvide("quotesinglbase"))
 869                 macros << quotesinglbase_def << '\n';
 870         if (mustProvide("quotedblbase"))
 871                 macros << quotedblbase_def << '\n';
 872         if (mustProvide("guilsinglleft"))
 873                 macros << guilsinglleft_def << '\n';
 874         if (mustProvide("guilsinglright"))
 875                 macros << guilsinglright_def << '\n';
 876         if (mustProvide("guillemotleft"))
 877                 macros << guillemotleft_def << '\n';
 878         if (mustProvide("guillemotright"))
 879                 macros << guillemotright_def << '\n';
 880
 881         // Math mode
 882         if (mustProvide("binom") && !isRequired("amsmath"))
 883                 macros << binom_def << '\n';
 884         if (mustProvide("mathcircumflex"))
 885                 macros << mathcircumflex_def << '\n';
 886
 887         // other
 888         if (mustProvide("ParagraphLeftIndent"))
 889                 macros << paragraphleftindent_def;
 890         if (mustProvide("NeedLyXFootnoteCode"))
 891                 macros << floatingfootnote_def;
 892
 893         // some problems with tex->html converters
 894         if (mustProvide("NeedTabularnewline"))
 895                 macros << tabularnewline_def;
 896
 897         // greyed-out environment (note inset)
 898         // the color is specified in the routine
 899         // getColorOptions() to avoid LaTeX-package clashes
 900         if (mustProvide("lyxgreyedout"))
 901                 macros << lyxgreyedout_def;
 902
 903         if (mustProvide("lyxdot"))
 904                 macros << lyxdot_def << '\n';
 905
 906         // floats
 907         getFloatDefinitions(macros);
 908
 909         // change tracking
 910         if (mustProvide("ct-dvipost"))
 911                 macros << changetracking_dvipost_def;
 912
 913         if (mustProvide("ct-xcolor-ulem")) {
 914                 int const prec = macros.precision(2);
 915
 916                 RGBColor cadd = rgbFromHexName(lcolor.getX11Name(Color_addedtext));
 917                 macros << "\\providecolor{lyxadded}{rgb}{"
 918                        << cadd.r / 255.0 << ',' << cadd.g / 255.0 << ',' << cadd.b / 255.0 << "}\n";
 919
 920                 RGBColor cdel = rgbFromHexName(lcolor.getX11Name(Color_deletedtext));
 921                 macros << "\\providecolor{lyxdeleted}{rgb}{"
 922                        << cdel.r / 255.0 << ',' << cdel.g / 255.0 << ',' << cdel.b / 255.0 << "}\n";
 923
 924                 macros.precision(prec);
 925
 926                 if (isRequired("hyperref"))
 927                         macros << changetracking_xcolor_ulem_hyperref_def;
 928                 else
 929                         macros << changetracking_xcolor_ulem_def;
 930         }
 931
 932         if (mustProvide("ct-none"))
 933                 macros << changetracking_none_def;
 934
 935         return macros.str();
 936 }
 937
 938
 939 string const LaTeXFeatures::getBabelOptions() const
 940 {
 941         ostringstream tmp;
 942
 943         LanguageList::const_iterator it  = UsedLanguages_.begin();
 944         LanguageList::const_iterator end =  UsedLanguages_.end();
 945         for (; it != end; ++it)
 946                 if (!(*it)->latex_options().empty())
 947                         tmp << (*it)->latex_options() << '\n';
 948         if (!params_.language->latex_options().empty())
 949                 tmp << params_.language->latex_options() << '\n';
 950
 951         return tmp.str();
 952 }
 953
 954
 955 docstring const LaTeXFeatures::getTClassPreamble() const
 956 {
 957         // the text class specific preamble
 958         DocumentClass const & tclass = params_.documentClass();
 959         odocstringstream tcpreamble;
 960
 961         tcpreamble << tclass.preamble();
 962
 963         list<docstring>::const_iterator cit = usedLayouts_.begin();
 964         list<docstring>::const_iterator end = usedLayouts_.end();
 965         for (; cit != end; ++cit)
 966                 tcpreamble << tclass[*cit].preamble();
 967
 968         cit = usedInsetLayouts_.begin();
 969         end = usedInsetLayouts_.end();
 970         TextClass::InsetLayouts const & ils = tclass.insetLayouts();
 971         for (; cit != end; ++cit) {
 972                 TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
 973                 if (it == ils.end())
 974                         continue;
 975                 tcpreamble << it->second.preamble();
 976         }
 977
 978         return tcpreamble.str();
 979 }
 980
 981
 982 docstring const LaTeXFeatures::getTClassHTMLPreamble() const
 983 {
 984         DocumentClass const & tclass = params_.documentClass();
 985         odocstringstream tcpreamble;
 986
 987         tcpreamble << tclass.htmlpreamble();
 988
 989         list<docstring>::const_iterator cit = usedLayouts_.begin();
 990         list<docstring>::const_iterator end = usedLayouts_.end();
 991         for (; cit != end; ++cit)
 992                 tcpreamble << tclass[*cit].htmlpreamble();
 993
 994         cit = usedInsetLayouts_.begin();
 995         end = usedInsetLayouts_.end();
 996         TextClass::InsetLayouts const & ils = tclass.insetLayouts();
 997         for (; cit != end; ++cit) {
 998                 TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
 999                 if (it == ils.end())
1000                         continue;
1001                 tcpreamble << it->second.htmlpreamble();
1002         }
1003
1004         return tcpreamble.str();
1005 }
1006
1007
1008 docstring const LaTeXFeatures::getTClassHTMLStyles() const {
1009         DocumentClass const & tclass = params_.documentClass();
1010         odocstringstream tcpreamble;
1011
1012         list<docstring>::const_iterator cit = usedLayouts_.begin();
1013         list<docstring>::const_iterator end = usedLayouts_.end();
1014         for (; cit != end; ++cit)
1015                 tcpreamble << tclass[*cit].htmlstyle();
1016
1017         cit = usedInsetLayouts_.begin();
1018         end = usedInsetLayouts_.end();
1019         TextClass::InsetLayouts const & ils = tclass.insetLayouts();
1020         for (; cit != end; ++cit) {
1021                 TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
1022                 if (it == ils.end())
1023                         continue;
1024                 tcpreamble << it->second.htmlstyle();
1025         }
1026
1027         return tcpreamble.str();
1028 }
1029
1030
1031 namespace {
1032 docstring const getFloatI18nPreamble(docstring const & type, docstring const & name, docstring const & lang)
1033 {
1034         odocstringstream os;
1035         os << "\\addto\\captions" << lang
1036            << "{\\renewcommand{\\" << type << "name}{" << name << "}}\n";
1037         return os.str();
1038 }
1039 }
1040
1041
1042 docstring const LaTeXFeatures::getTClassI18nPreamble(bool use_babel) const
1043 {
1044         DocumentClass const & tclass = params_.documentClass();
1045         // collect preamble snippets in a set to prevent multiple identical
1046         // commands (would happen if e.g. both theorem and theorem* are used)
1047         set<docstring> snippets;
1048         typedef LanguageList::const_iterator lang_it;
1049         lang_it const lbeg = UsedLanguages_.begin();
1050         lang_it const lend =  UsedLanguages_.end();
1051         list<docstring>::const_iterator cit = usedLayouts_.begin();
1052         list<docstring>::const_iterator end = usedLayouts_.end();
1053         for (; cit != end; ++cit) {
1054                 // language dependent commands (once per document)
1055                 snippets.insert(tclass[*cit].langpreamble(buffer().language()));
1056                 // commands for language changing (for multilanguage documents)
1057                 if (use_babel && !UsedLanguages_.empty()) {
1058                         snippets.insert(tclass[*cit].babelpreamble(buffer().language()));
1059                         for (lang_it lit = lbeg; lit != lend; ++lit)
1060                                 snippets.insert(tclass[*cit].babelpreamble(*lit));
1061                 }
1062         }
1063         if (use_babel && !UsedLanguages_.empty()) {
1064                 FloatList const & floats = params_.documentClass().floats();
1065                 UsedFloats::const_iterator fit = usedFloats_.begin();
1066                 UsedFloats::const_iterator fend = usedFloats_.end();
1067                 for (; fit != fend; ++fit) {
1068                         Floating const & fl = floats.getType(fit->first);
1069                         docstring const type = from_ascii(fl.floattype());
1070                         docstring const flname = from_utf8(fl.name());
1071                         docstring name = translateIfPossible(flname,
1072                                 buffer().language()->code());
1073                         snippets.insert(getFloatI18nPreamble(
1074                                 type, name,
1075                                 from_ascii(buffer().language()->babel())));
1076                         for (lang_it lit = lbeg; lit != lend; ++lit) {
1077                                 name = translateIfPossible(flname,
1078                                         (*lit)->code());
1079                                 snippets.insert(getFloatI18nPreamble(
1080                                         type, name,
1081                                         from_ascii((*lit)->babel())));
1082                         }
1083                 }
1084         }
1085
1086         odocstringstream tcpreamble;
1087         set<docstring>::const_iterator const send = snippets.end();
1088         set<docstring>::const_iterator it = snippets.begin();
1089         for (; it != send; ++it)
1090                 tcpreamble << *it;
1091         return tcpreamble.str();
1092 }
1093
1094
1095 docstring const LaTeXFeatures::getLyXSGMLEntities() const
1096 {
1097         // Definition of entities used in the document that are LyX related.
1098         odocstringstream entities;
1099
1100         if (mustProvide("lyxarrow")) {
1101                 entities << "<!ENTITY lyxarrow \"-&gt;\">" << '\n';
1102         }
1103
1104         return entities.str();
1105 }
1106
1107
1108 docstring const LaTeXFeatures::getIncludedFiles(string const & fname) const
1109 {
1110         odocstringstream sgmlpreamble;
1111         // FIXME UNICODE
1112         docstring const basename(from_utf8(onlyPath(fname)));
1113
1114         FileMap::const_iterator end = IncludedFiles_.end();
1115         for (FileMap::const_iterator fi = IncludedFiles_.begin();
1116              fi != end; ++fi)
1117                 // FIXME UNICODE
1118                 sgmlpreamble << "\n<!ENTITY " << fi->first
1119                              << (isSGMLFileName(fi->second) ? " SYSTEM \"" : " \"")
1120                              << makeRelPath(from_utf8(fi->second), basename) << "\">";
1121
1122         return sgmlpreamble.str();
1123 }
1124
1125
1126 void LaTeXFeatures::showStruct() const
1127 {
1128         lyxerr << "LyX needs the following commands when LaTeXing:"
1129                << "\n***** Packages:" << getPackages()
1130                << "\n***** Macros:" << to_utf8(getMacros())
1131                << "\n***** Textclass stuff:" << to_utf8(getTClassPreamble())
1132                << "\n***** done." << endl;
1133 }
1134
1135
1136 Buffer const & LaTeXFeatures::buffer() const
1137 {
1138         return *buffer_;
1139 }
1140
1141
1142 void LaTeXFeatures::setBuffer(Buffer const & buffer)
1143 {
1144         buffer_ = &buffer;
1145 }
1146
1147
1148 BufferParams const & LaTeXFeatures::bufferParams() const
1149 {
1150         return params_;
1151 }
1152
1153
1154 void LaTeXFeatures::getFloatDefinitions(odocstream & os) const
1155 {
1156         FloatList const & floats = params_.documentClass().floats();
1157
1158         // Here we will output the code to create the needed float styles.
1159         // We will try to do this as minimal as possible.
1160         // \floatstyle{ruled}
1161         // \newfloat{algorithm}{htbp}{loa}
1162         // \providecommand{\algorithmname}{Algorithm}
1163         // \floatname{algorithm}{\protect\algorithmname}
1164         UsedFloats::const_iterator cit = usedFloats_.begin();
1165         UsedFloats::const_iterator end = usedFloats_.end();
1166         for (; cit != end; ++cit) {
1167                 Floating const & fl = floats.getType(cit->first);
1168
1169                 // For builtin floats we do nothing.
1170                 if (!fl.needsFloatPkg())
1171                         continue;
1172
1173                 // We have to special case "table" and "figure"
1174                 if (fl.floattype() == "tabular" || fl.floattype() == "figure") {
1175                         // Output code to modify "table" or "figure"
1176                         // but only if builtin == false
1177                         // and that have to be true at this point in the
1178                         // function.
1179                         docstring const type = from_ascii(fl.floattype());
1180                         docstring const placement = from_ascii(fl.placement());
1181                         docstring const style = from_ascii(fl.style());
1182                         if (!style.empty()) {
1183                                 os << "\\floatstyle{" << style << "}\n"
1184                                    << "\\restylefloat{" << type << "}\n";
1185                         }
1186                         if (!placement.empty()) {
1187                                 os << "\\floatplacement{" << type << "}{"
1188                                    << placement << "}\n";
1189                         }
1190                 } else {
1191                         // The other non builtin floats.
1192
1193                         docstring const type = from_ascii(fl.floattype());
1194                         docstring const placement = from_ascii(fl.placement());
1195                         docstring const ext = from_ascii(fl.ext());
1196                         docstring const within = from_ascii(fl.within());
1197                         docstring const style = from_ascii(fl.style());
1198                         docstring const name = translateIfPossible(
1199                                         from_utf8(fl.name()),
1200                                         buffer().language()->code());
1201                         os << "\\floatstyle{" << style << "}\n"
1202                            << "\\newfloat{" << type << "}{" << placement
1203                            << "}{" << ext << '}';
1204                         if (!within.empty())
1205                                 os << '[' << within << ']';
1206                         os << '\n'
1207                            << "\\providecommand{\\" << type << "name}{"
1208                            << name << "}\n"
1209                            << "\\floatname{" << type << "}{\\protect\\"
1210                            << type << "name}\n";
1211
1212                         // What missing here is to code to minimalize the code
1213                         // output so that the same floatstyle will not be
1214                         // used several times, when the same style is still in
1215                         // effect. (Lgb)
1216                 }
1217                 if (cit->second)
1218                         os << "\n\\newsubfloat{" << from_ascii(fl.floattype()) << "}\n";
1219         }
1220 }
1221
1222
1223 } // namespace lyx