2 * \file LaTeXFeatures.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
7 * \author Lars Gullik Bjønnes
8 * \author Jean-Marc Lasgouttes
10 * \author André Pönitz
12 * Full author contact details are available in file CREDITS.
17 #include "LaTeXFeatures.h"
19 #include "BufferParams.h"
24 #include "FloatList.h"
29 #include "support/docstream.h"
30 #include "support/filetools.h"
32 #include "frontends/controllers/frontend_helpers.h"
39 using std::ostringstream;
45 using support::isSGMLFilename;
46 using support::libFileSearch;
47 using support::makeRelPath;
48 using support::onlyPath;
50 /////////////////////////////////////////////////////////////////////
54 /////////////////////////////////////////////////////////////////////
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.}
60 static string const lyx_def =
61 "\\providecommand{\\LyX}{L\\kern-.1667em\\lower.25em\\hbox{Y}\\kern-.125emX\\@}";
63 static string const lyxline_def =
64 "\\newcommand{\\lyxline}[1][1pt]{%\n"
66 " \\rule[.5ex]{\\linewidth}{#1}\\par}";
68 static string const noun_def = "\\newcommand{\\noun}[1]{\\textsc{#1}}";
70 static string const lyxarrow_def =
71 "\\newcommand{\\lyxarrow}{\\leavevmode\\,$\\triangleright$\\,\\allowbreak}";
73 // for quotes without babel. This does not give perfect results, but
74 // anybody serious about non-english quotes should use babel (JMarc).
76 static string const quotedblbase_def =
77 "\\ProvideTextCommandDefault{\\quotedblbase}{%\n"
78 " \\raisebox{-1.4ex}[1ex][.5ex]{\\textquotedblright}%\n"
79 " \\penalty10000\\hskip0em\\relax%\n"
82 static string const quotesinglbase_def =
83 "\\ProvideTextCommandDefault{\\quotesinglbase}{%\n"
84 " \\raisebox{-1.4ex}[1ex][.5ex]{\\textquoteright}%\n"
85 " \\penalty10000\\hskip0em\\relax%\n"
88 static string const guillemotleft_def =
89 "\\ProvideTextCommandDefault{\\guillemotleft}{%\n"
90 " {\\usefont{U}{lasy}{m}{n}\\char'50\\kern-.15em\\char'50}%\n"
91 "\\penalty10000\\hskip0pt\\relax%\n"
94 static string const guillemotright_def =
95 "\\ProvideTextCommandDefault{\\guillemotright}{%\n"
96 " \\penalty10000\\hskip0pt%\n"
97 " {\\usefont{U}{lasy}{m}{n}\\char'51\\kern-.15em\\char'51}%\n"
100 static string const guilsinglleft_def =
101 "\\ProvideTextCommandDefault{\\guilsinglleft}{%\n"
102 " {\\usefont{U}{lasy}{m}{n}\\char'50}%\n"
103 " \\penalty10000\\hskip0pt\\relax%\n"
106 static string const guilsinglright_def =
107 "\\ProvideTextCommandDefault{\\guilsinglright}{%\n"
108 " \\penalty10000\\hskip0pt%\n"
109 " {\\usefont{U}{lasy}{m}{n}\\char'51}%\n"
112 static string const paragraphleftindent_def =
113 "\\newenvironment{LyXParagraphLeftIndent}[1]%\n"
115 " \\begin{list}{}{%\n"
116 " \\setlength{\\topsep}{0pt}%\n"
117 " \\addtolength{\\leftmargin}{#1}\n"
118 // ho hum, yet more things commented out with no hint as to why they
119 // weren't just removed
120 // "%% \\addtolength{\\leftmargin}{#1\\textwidth}\n"
121 // "%% \\setlength{\\textwidth}{#2\\textwidth}\n"
122 // "%% \\setlength\\listparindent\\parindent%\n"
123 // "%% \\setlength\\itemindent\\parindent%\n"
124 " \\setlength{\\parsep}{0pt plus 1pt}%\n"
130 static string const floatingfootnote_def =
131 "%% Special footnote code from the package 'stblftnt.sty'\n"
132 "%% Author: Robin Fairbairns -- Last revised Dec 13 1996\n"
133 "\\let\\SF@@footnote\\footnote\n"
134 "\\def\\footnote{\\ifx\\protect\\@typeset@protect\n"
135 " \\expandafter\\SF@@footnote\n"
137 " \\expandafter\\SF@gobble@opt\n"
140 "\\expandafter\\def\\csname SF@gobble@opt \\endcsname{\\@ifnextchar[%]\n"
141 " \\SF@gobble@twobracket\n"
144 "\\edef\\SF@gobble@opt{\\noexpand\\protect\n"
145 " \\expandafter\\noexpand\\csname SF@gobble@opt \\endcsname}\n"
146 "\\def\\SF@gobble@twobracket[#1]#2{}\n";
148 static string const boldsymbol_def =
149 "%% Bold symbol macro for standard LaTeX users\n"
150 "\\providecommand{\\boldsymbol}[1]{\\mbox{\\boldmath $#1$}}\n";
152 static string const binom_def =
153 "%% Binom macro for standard LaTeX users\n"
154 "\\newcommand{\\binom}[2]{{#1 \\choose #2}}\n";
156 static string const mathcircumflex_def =
157 "%% For printing a cirumflex inside a formula\n"
158 "\\newcommand{\\mathcircumflex}[0]{\\mbox{\\^{}}}\n";
160 static string const tabularnewline_def =
161 "%% Because html converters don't know tabularnewline\n"
162 "\\providecommand{\\tabularnewline}{\\\\}\n";
164 static string const lyxgreyedout_def =
165 "%% The greyedout annotation environment\n"
166 "\\newenvironment{lyxgreyedout}{\\textcolor[gray]{0.8}\\bgroup}{\\egroup}\n";
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 string const lyxdot_def =
172 "%% A simple dot to overcome graphicx limitations\n"
173 "\\newcommand{\\lyxdot}{.}\n";
175 static string const changetracking_dvipost_def =
176 "%% Change tracking with dvipost\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";
186 static string const changetracking_none_def =
187 "\\newcommand{\\lyxadded}[3]{#3}\n"
188 "\\newcommand{\\lyxdeleted}[3]{}\n";
191 /////////////////////////////////////////////////////////////////////
195 /////////////////////////////////////////////////////////////////////
197 LaTeXFeatures::PackagesList LaTeXFeatures::packages_;
200 LaTeXFeatures::LaTeXFeatures(Buffer const & b, BufferParams const & p,
201 OutputParams const & r)
202 : buffer_(&b), params_(p), runparams_(r)
206 bool LaTeXFeatures::useBabel() const
208 return lyxrc.language_use_babel ||
209 (bufferParams().language->lang() != lyxrc.default_language &&
210 !bufferParams().language->babel().empty()) ||
211 this->hasLanguages();
215 void LaTeXFeatures::require(string const & name)
217 if (isRequired(name))
220 features_.push_back(name);
224 void LaTeXFeatures::getAvailable()
227 support::FileName const real_file = libFileSearch("", "packages.lst");
229 if (real_file.empty())
232 lex.setFile(real_file);
237 // Make sure that we are clean
240 bool finished = false;
242 while (lex.isOK() && !finished) {
244 case Lexer::LEX_FEOF:
248 string const name = lex.getString();
249 PackagesList::const_iterator begin = packages_.begin();
250 PackagesList::const_iterator end = packages_.end();
251 if (find(begin, end, name) == end)
252 packages_.push_back(name);
258 void LaTeXFeatures::useLayout(docstring const & layoutname)
260 // Some code to avoid loops in dependency definition
261 static int level = 0;
262 const int maxlevel = 30;
263 if (level > maxlevel) {
264 lyxerr << "LaTeXFeatures::useLayout: maximum level of "
265 << "recursion attained by layout "
266 << to_utf8(layoutname) << endl;
270 TextClass const & tclass = params_.getTextClass();
271 if (tclass.hasLayout(layoutname)) {
272 // Is this layout already in usedLayouts?
273 list<docstring>::const_iterator cit = usedLayouts_.begin();
274 list<docstring>::const_iterator end = usedLayouts_.end();
275 for (; cit != end; ++cit) {
276 if (layoutname == *cit)
280 LayoutPtr const & lyt = tclass[layoutname];
281 if (!lyt->depends_on().empty()) {
283 useLayout(lyt->depends_on());
286 usedLayouts_.push_back(layoutname);
288 lyxerr << "LaTeXFeatures::useLayout: layout `"
289 << to_utf8(layoutname) << "' does not exist in this class"
297 bool LaTeXFeatures::isRequired(string const & name) const
299 return find(features_.begin(), features_.end(), name) != features_.end();
303 bool LaTeXFeatures::mustProvide(string const & name) const
305 return isRequired(name) && !params_.getTextClass().provides(name);
309 bool LaTeXFeatures::isAvailable(string const & name)
311 if (packages_.empty())
313 return find(packages_.begin(), packages_.end(), name) != packages_.end();
317 void LaTeXFeatures::addPreambleSnippet(string const & preamble)
319 FeaturesList::const_iterator begin = preamble_snippets_.begin();
320 FeaturesList::const_iterator end = preamble_snippets_.end();
321 if (find(begin, end, preamble) == end)
322 preamble_snippets_.push_back(preamble);
326 void LaTeXFeatures::useFloat(string const & name)
328 usedFloats_.insert(name);
329 // We only need float.sty if we use non builtin floats, or if we
330 // use the "H" modifier. This includes modified table and
331 // figure floats. (Lgb)
332 Floating const & fl = params_.getTextClass().floats().getType(name);
333 if (!fl.type().empty() && !fl.builtin()) {
339 void LaTeXFeatures::useLanguage(Language const * lang)
341 if (!lang->babel().empty())
342 UsedLanguages_.insert(lang);
346 void LaTeXFeatures::includeFile(docstring const & key, string const & name)
348 IncludedFiles_[key] = name;
352 bool LaTeXFeatures::hasLanguages() const
354 return !UsedLanguages_.empty();
358 string LaTeXFeatures::getLanguages() const
360 ostringstream languages;
362 LanguageList::const_iterator const begin = UsedLanguages_.begin();
363 for (LanguageList::const_iterator cit = begin;
364 cit != UsedLanguages_.end();
368 languages << (*cit)->babel();
370 return languages.str();
374 set<string> LaTeXFeatures::getEncodingSet(string const & doc_encoding) const
376 // This does only find encodings of languages supported by babel, but
377 // that does not matter since we don't have a language with an
378 // encoding supported by inputenc but without babel support.
379 set<string> encodings;
380 LanguageList::const_iterator it = UsedLanguages_.begin();
381 LanguageList::const_iterator end = UsedLanguages_.end();
382 for (; it != end; ++it)
383 if ((*it)->encoding()->latexName() != doc_encoding &&
384 (*it)->encoding()->package() == Encoding::inputenc)
385 encodings.insert((*it)->encoding()->latexName());
391 char const * simplefeatures[] = {
392 // note that the package order here will be the same in the LaTeX-output
424 int const nb_simplefeatures = sizeof(simplefeatures) / sizeof(char const *);
429 string const LaTeXFeatures::getPackages() const
431 ostringstream packages;
432 TextClass const & tclass = params_.getTextClass();
435 // These are all the 'simple' includes. i.e
436 // packages which we just \usepackage{package}
438 for (int i = 0; i < nb_simplefeatures; ++i) {
439 if (mustProvide(simplefeatures[i]))
440 packages << "\\usepackage{"
441 << simplefeatures[i] << "}\n";
445 // The rest of these packages are somewhat more complicated
449 // esint is preferred for esintoramsmath
450 if ((mustProvide("amsmath") &&
451 params_.use_amsmath != BufferParams::package_off) ||
452 (mustProvide("esintoramsmath") &&
453 params_.use_esint == BufferParams::package_off)) {
454 packages << "\\usepackage{amsmath}\n";
457 // wasysym is a simple feature, but it must be after amsmath if both
459 // wasysym redefines some integrals (e.g. iint) from amsmath. That
460 // leads to inconsistent integrals. We only load this package if
461 // the document does not contain integrals (then isRequired("esint")
462 // is false) or if esint is used, since esint redefines all relevant
463 // integral symbols from wasysym and amsmath.
464 // See http://bugzilla.lyx.org/show_bug.cgi?id=1942
465 if (mustProvide("wasysym") &&
466 (params_.use_esint != BufferParams::package_off || !isRequired("esint")))
467 packages << "\\usepackage{wasysym}\n";
470 if (mustProvide("color")) {
471 if (params_.graphicsDriver == "default")
472 packages << "\\usepackage{color}\n";
474 packages << "\\usepackage["
475 << params_.graphicsDriver
480 if (isRequired("makeidx")) {
481 if (!tclass.provides("makeidx"))
482 packages << "\\usepackage{makeidx}\n";
483 packages << "\\makeindex\n";
487 if (mustProvide("graphicx") && params_.graphicsDriver != "none") {
488 if (params_.graphicsDriver == "default")
489 packages << "\\usepackage{graphicx}\n";
491 packages << "\\usepackage["
492 << params_.graphicsDriver
495 // shadecolor for shaded
496 if (mustProvide("framed") && mustProvide("color")) {
497 RGBColor c = RGBColor(lcolor.getX11Name(Color::shadedbg));
498 //255.0 to force conversion to double
499 //NOTE As Jürgen Spitzmüller pointed out, an alternative would be
500 //to use the xcolor package instead, and then we can do
501 // \define{shadcolor}{RGB}...
502 //and not do any conversion. We'd then need to require xcolor
503 //in InsetNote::validate().
504 int const stmSize = packages.precision(2);
505 packages << "\\definecolor{shadecolor}{rgb}{"
506 << c.r / 255.0 << ',' << c.g / 255.0 << ',' << c.b / 255.0 << "}\n";
507 packages.precision(stmSize);
510 // lyxskak.sty --- newer chess support based on skak.sty
511 if (mustProvide("chess")) {
512 packages << "\\usepackage[ps,mover]{lyxskak}\n";
516 if ((params_.spacing().getSpace() != Spacing::Single
517 && !params_.spacing().isDefault())
518 || isRequired("setspace")) {
519 packages << "\\usepackage{setspace}\n";
521 switch (params_.spacing().getSpace()) {
522 case Spacing::Default:
523 case Spacing::Single:
524 // we dont use setspace.sty so dont print anything
525 //packages += "\\singlespacing\n";
527 case Spacing::Onehalf:
528 packages << "\\onehalfspacing\n";
530 case Spacing::Double:
531 packages << "\\doublespacing\n";
534 packages << "\\setstretch{"
535 << params_.spacing().getValue() << "}\n";
540 if (mustProvide("amssymb")
541 || params_.use_amsmath == BufferParams::package_on)
542 packages << "\\usepackage{amssymb}\n";
544 // esint must be after amsmath and wasysym, since it will redeclare
545 // inconsistent integral symbols
546 if ((mustProvide("esint") || mustProvide("esintoramsmath")) &&
547 params_.use_esint != BufferParams::package_off)
548 packages << "\\usepackage{esint}\n";
551 if (mustProvide("url"))
552 packages << "\\IfFileExists{url.sty}{\\usepackage{url}}\n"
553 " {\\newcommand{\\url}{\\texttt}}\n";
556 if (mustProvide("natbib")) {
557 packages << "\\usepackage[";
558 if (params_.getEngine() == biblio::ENGINE_NATBIB_NUMERICAL) {
559 packages << "numbers";
561 packages << "authoryear";
563 packages << "]{natbib}\n";
566 // jurabib -- we need version 0.6 at least.
567 if (mustProvide("jurabib")) {
568 packages << "\\usepackage{jurabib}[2004/01/25]\n";
571 // bibtopic -- the dot provides the aux file naming which
573 if (mustProvide("bibtopic")) {
574 packages << "\\usepackage[dot]{bibtopic}\n";
577 if (mustProvide("xy"))
578 packages << "\\usepackage[all]{xy}\n";
580 if (mustProvide("nomencl")) {
581 // Make it work with the new and old version of the package,
582 // but don't use the compatibility option since it is
583 // incompatible to other packages.
584 packages << "\\usepackage{nomencl}\n"
585 "% the following is useful when we have the old nomencl.sty package\n"
586 "\\providecommand{\\printnomenclature}{\\printglossary}\n"
587 "\\providecommand{\\makenomenclature}{\\makeglossary}\n"
588 "\\makenomenclature\n";
591 if (mustProvide("listings"))
592 packages << "\\usepackage{listings}\n";
594 return packages.str();
598 string const LaTeXFeatures::getMacros() const
600 ostringstream macros;
602 if (!preamble_snippets_.empty())
604 FeaturesList::const_iterator pit = preamble_snippets_.begin();
605 FeaturesList::const_iterator pend = preamble_snippets_.end();
606 for (; pit != pend; ++pit) {
607 macros << *pit << '\n';
610 if (mustProvide("LyX"))
611 macros << lyx_def << '\n';
613 if (mustProvide("lyxline"))
614 macros << lyxline_def << '\n';
616 if (mustProvide("noun"))
617 macros << noun_def << '\n';
619 if (mustProvide("lyxarrow"))
620 macros << lyxarrow_def << '\n';
623 if (mustProvide("quotesinglbase"))
624 macros << quotesinglbase_def << '\n';
625 if (mustProvide("quotedblbase"))
626 macros << quotedblbase_def << '\n';
627 if (mustProvide("guilsinglleft"))
628 macros << guilsinglleft_def << '\n';
629 if (mustProvide("guilsinglright"))
630 macros << guilsinglright_def << '\n';
631 if (mustProvide("guillemotleft"))
632 macros << guillemotleft_def << '\n';
633 if (mustProvide("guillemotright"))
634 macros << guillemotright_def << '\n';
637 if (mustProvide("boldsymbol") && !isRequired("amsmath"))
638 macros << boldsymbol_def << '\n';
639 if (mustProvide("binom") && !isRequired("amsmath"))
640 macros << binom_def << '\n';
641 if (mustProvide("mathcircumflex"))
642 macros << mathcircumflex_def << '\n';
645 if (mustProvide("ParagraphLeftIndent"))
646 macros << paragraphleftindent_def;
647 if (mustProvide("NeedLyXFootnoteCode"))
648 macros << floatingfootnote_def;
650 // some problems with tex->html converters
651 if (mustProvide("NeedTabularnewline"))
652 macros << tabularnewline_def;
654 // greyedout environment (note inset)
655 if (mustProvide("lyxgreyedout"))
656 macros << lyxgreyedout_def;
658 if (mustProvide("lyxdot"))
659 macros << lyxdot_def << '\n';
662 getFloatDefinitions(macros);
665 if (mustProvide("ct-dvipost")) {
666 macros << changetracking_dvipost_def;
668 if (mustProvide("ct-xcolor-soul")) {
669 int const prec = macros.precision(2);
671 RGBColor cadd = RGBColor(lcolor.getX11Name(Color::addedtext));
672 macros << "\\providecolor{lyxadded}{rgb}{"
673 << cadd.r / 255.0 << ',' << cadd.g / 255.0 << ',' << cadd.b / 255.0 << "}\n";
675 RGBColor cdel = RGBColor(lcolor.getX11Name(Color::deletedtext));
676 macros << "\\providecolor{lyxdeleted}{rgb}{"
677 << cdel.r / 255.0 << ',' << cdel.g / 255.0 << ',' << cdel.b / 255.0 << "}\n";
679 macros.precision(prec);
681 macros << "\\newcommand{\\lyxadded}[3]{{\\color{lyxadded}#3}}\n"
682 << "\\newcommand{\\lyxdeleted}[3]{{\\color{lyxdeleted}\\st{#3}}}\n";
684 if (mustProvide("ct-none")) {
685 macros << changetracking_none_def;
692 string const LaTeXFeatures::getBabelOptions() const
696 LanguageList::const_iterator it = UsedLanguages_.begin();
697 LanguageList::const_iterator end = UsedLanguages_.end();
698 for (; it != end; ++it)
699 if (!(*it)->latex_options().empty())
700 tmp << (*it)->latex_options() << '\n';
701 if (!params_.language->latex_options().empty())
702 tmp << params_.language->latex_options() << '\n';
708 docstring const LaTeXFeatures::getTClassPreamble() const
710 // the text class specific preamble
711 TextClass const & tclass = params_.getTextClass();
712 odocstringstream tcpreamble;
714 tcpreamble << tclass.preamble();
716 list<docstring>::const_iterator cit = usedLayouts_.begin();
717 list<docstring>::const_iterator end = usedLayouts_.end();
718 for (; cit != end; ++cit) {
719 tcpreamble << tclass[*cit]->preamble();
722 InsetLayouts const & insetlayouts = tclass.insetlayouts();
723 InsetLayouts::const_iterator cit2 = insetlayouts.begin();
724 InsetLayouts::const_iterator end2 = insetlayouts.end();
725 for (; cit2 != end2; ++cit2) {
726 if (isRequired(to_utf8(cit2->first))) {
727 tcpreamble << from_utf8(cit2->second.preamble);
731 return tcpreamble.str();
735 docstring const LaTeXFeatures::getLyXSGMLEntities() const
737 // Definition of entities used in the document that are LyX related.
738 odocstringstream entities;
740 if (mustProvide("lyxarrow")) {
741 entities << "<!ENTITY lyxarrow \"->\">" << '\n';
744 return entities.str();
748 docstring const LaTeXFeatures::getIncludedFiles(string const & fname) const
750 odocstringstream sgmlpreamble;
752 docstring const basename(from_utf8(onlyPath(fname)));
754 FileMap::const_iterator end = IncludedFiles_.end();
755 for (FileMap::const_iterator fi = IncludedFiles_.begin();
758 sgmlpreamble << "\n<!ENTITY " << fi->first
759 << (isSGMLFilename(fi->second) ? " SYSTEM \"" : " \"")
760 << makeRelPath(from_utf8(fi->second), basename) << "\">";
762 return sgmlpreamble.str();
766 void LaTeXFeatures::showStruct() const {
767 lyxerr << "LyX needs the following commands when LaTeXing:"
768 << "\n***** Packages:" << getPackages()
769 << "\n***** Macros:" << getMacros()
770 << "\n***** Textclass stuff:" << to_utf8(getTClassPreamble())
771 << "\n***** done." << endl;
775 Buffer const & LaTeXFeatures::buffer() const
781 void LaTeXFeatures::setBuffer(Buffer const & buffer)
787 BufferParams const & LaTeXFeatures::bufferParams() const
793 void LaTeXFeatures::getFloatDefinitions(ostream & os) const
795 FloatList const & floats = params_.getTextClass().floats();
797 // Here we will output the code to create the needed float styles.
798 // We will try to do this as minimal as possible.
799 // \floatstyle{ruled}
800 // \newfloat{algorithm}{htbp}{loa}
801 // \floatname{algorithm}{Algorithm}
802 UsedFloats::const_iterator cit = usedFloats_.begin();
803 UsedFloats::const_iterator end = usedFloats_.end();
804 // ostringstream floats;
805 for (; cit != end; ++cit) {
806 Floating const & fl = floats.getType((*cit));
808 // For builtin floats we do nothing.
809 if (fl.builtin()) continue;
811 // We have to special case "table" and "figure"
812 if (fl.type() == "tabular" || fl.type() == "figure") {
813 // Output code to modify "table" or "figure"
814 // but only if builtin == false
815 // and that have to be true at this point in the
817 string const type = fl.type();
818 string const placement = fl.placement();
819 string const style = fl.style();
820 if (!style.empty()) {
821 os << "\\floatstyle{" << style << "}\n"
822 << "\\restylefloat{" << type << "}\n";
824 if (!placement.empty()) {
825 os << "\\floatplacement{" << type << "}{"
826 << placement << "}\n";
829 // The other non builtin floats.
831 string const type = fl.type();
832 string const placement = fl.placement();
833 string const ext = fl.ext();
834 string const within = fl.within();
835 string const style = fl.style();
836 string const name = fl.name();
837 os << "\\floatstyle{" << style << "}\n"
838 << "\\newfloat{" << type << "}{" << placement
839 << "}{" << ext << '}';
841 os << '[' << within << ']';
843 << "\\floatname{" << type << "}{"
846 // What missing here is to code to minimalize the code
847 // output so that the same floatstyle will not be
848 // used several times, when the same style is still in