]> git.lyx.org Git - lyx.git/blobdiff - src/BufferParams.cpp
User frontend for the new document-wide bibliography style feature.
[lyx.git] / src / BufferParams.cpp
index 488508555d85f41f0017c2d1254e574982b55648..38f298c76fa4a0a0a04b2e918ca2fc9e46c30516 100644 (file)
@@ -24,6 +24,7 @@
 #include "Bullet.h"
 #include "Color.h"
 #include "ColorSet.h"
+#include "Converter.h"
 #include "Encoding.h"
 #include "HSpace.h"
 #include "IndicesList.h"
@@ -364,7 +365,9 @@ BufferParams::BufferParams()
        use_esint = package_auto;
        use_mhchem = package_auto;
        use_mathdots = package_auto;
+       use_undertilde = package_auto;
        cite_engine_ = ENGINE_BASIC;
+       biblio_style = "plain";
        use_bibtopic = false;
        use_indices = false;
        trackChanges = false;
@@ -395,6 +398,7 @@ BufferParams::BufferParams()
        listings_params = string();
        pagestyle = "default";
        suppress_date = false;
+       justification = true;
        // no color is the default (white)
        backgroundcolor = lyx::rgbFromHexName("#ffffff");
        isbackgroundcolor = false;
@@ -549,7 +553,7 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                lex.next();
                string const classname = lex.getString();
                // if there exists a local layout file, ignore the system one
-               // NOTE: in this case, the textclass (.cls file) is assumed to 
+               // NOTE: in this case, the textclass (.cls file) is assumed to
                // be available.
                string tcp;
                LayoutFileList & bcl = LayoutFileList::get();
@@ -559,12 +563,12 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                        setBaseClass(tcp);
                else
                        setBaseClass(classname);
-               // We assume that a tex class exists for local or unknown 
+               // We assume that a tex class exists for local or unknown
                // layouts so this warning, will only be given for system layouts.
                if (!baseClass()->isTeXClassAvailable()) {
-                       docstring const desc = 
+                       docstring const desc =
                                translateIfPossible(from_utf8(baseClass()->description()));
-                       docstring const prereqs = 
+                       docstring const prereqs =
                                from_utf8(baseClass()->prerequisites());
                        docstring const msg =
                                bformat(_("The selected document class\n"
@@ -601,6 +605,8 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                master = lex.getString();
        } else if (token == "\\suppress_date") {
                lex >> suppress_date;
+       } else if (token == "\\justification") {
+               lex >> justification;
        } else if (token == "\\language") {
                readLanguage(lex);
        } else if (token == "\\language_package") {
@@ -685,10 +691,17 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                int usemathdots;
                lex >> usemathdots;
                use_mathdots = packagetranslator().find(usemathdots);
+       } else if (token == "\\use_undertilde") {
+               int useundertilde;
+               lex >> useundertilde;
+               use_undertilde = packagetranslator().find(useundertilde);
        } else if (token == "\\cite_engine") {
                string engine;
                lex >> engine;
                cite_engine_ = citeenginetranslator().find(engine);
+       } else if (token == "\\biblio_style") {
+               lex.eatLine();
+               biblio_style = lex.getString();
        } else if (token == "\\use_bibtopic") {
                lex >> use_bibtopic;
        } else if (token == "\\use_indices") {
@@ -868,7 +881,7 @@ string BufferParams::readToken(Lexer & lex, string const & token,
        } else if (token == "\\use_refstyle") {
                lex >> use_refstyle;
        } else {
-               lyxerr << "BufferParams::readToken(): Unknown token: " << 
+               lyxerr << "BufferParams::readToken(): Unknown token: " <<
                        token << endl;
                return token;
        }
@@ -900,14 +913,14 @@ void BufferParams::writeFile(ostream & os) const
        }
 
        // use the class options defined in the layout?
-       os << "\\use_default_options " 
+       os << "\\use_default_options "
           << convert<string>(use_default_options) << "\n";
 
        // the master document
        if (!master.empty()) {
                os << "\\master " << master << '\n';
        }
-       
+
        // removed modules
        if (!removed_modules_.empty()) {
                os << "\\begin_removed_modules" << '\n';
@@ -942,7 +955,7 @@ void BufferParams::writeFile(ostream & os) const
 
        // local layout information
        if (!local_layout.empty()) {
-               // remove '\n' from the end 
+               // remove '\n' from the end
                string const tmplocal = rtrim(local_layout, "\n");
                os << "\\begin_local_layout\n"
                   << tmplocal
@@ -990,12 +1003,15 @@ void BufferParams::writeFile(ostream & os) const
           << "\n\\use_esint " << use_esint
           << "\n\\use_mhchem " << use_mhchem
           << "\n\\use_mathdots " << use_mathdots
+          << "\n\\use_undertilde " << use_undertilde
           << "\n\\cite_engine " << citeenginetranslator().find(cite_engine_)
+          << "\n\\biblio_style " << biblio_style
           << "\n\\use_bibtopic " << convert<string>(use_bibtopic)
           << "\n\\use_indices " << convert<string>(use_indices)
           << "\n\\paperorientation " << string_orientation[orientation]
           << "\n\\suppress_date " << convert<string>(suppress_date)
-                << "\n\\use_refstyle " << use_refstyle
+          << "\n\\justification " << convert<string>(justification)
+          << "\n\\use_refstyle " << use_refstyle
           << '\n';
        if (isbackgroundcolor == true)
                os << "\\backgroundcolor " << lyx::X11hexname(backgroundcolor) << '\n';
@@ -1055,7 +1071,7 @@ void BufferParams::writeFile(ostream & os) const
                os << "\\footskip "
                   << VSpace(footskip).asLyXCommand() << '\n';
        if (!columnsep.empty())
-               os << "\\columnsep " 
+               os << "\\columnsep "
                         << VSpace(columnsep).asLyXCommand() << '\n';
        os << "\\secnumdepth " << secnumdepth
           << "\n\\tocdepth " << tocdepth
@@ -1095,7 +1111,7 @@ void BufferParams::writeFile(ostream & os) const
           << "\\html_math_output " << html_math_output << '\n'
           << "\\html_css_as_file " << html_css_as_file << '\n'
           << "\\html_be_strict " << convert<string>(html_be_strict) << '\n';
-       
+
        if (html_math_img_scale != 1.0)
                os << "\\html_math_img_scale " << convert<string>(html_math_img_scale) << '\n';
        if (!html_latex_start.empty())
@@ -1118,6 +1134,7 @@ void BufferParams::validate(LaTeXFeatures & features) const
 
                switch (features.runparams().flavor) {
                case OutputParams::LATEX:
+               case OutputParams::DVILUATEX:
                        if (dvipost) {
                                features.require("ct-dvipost");
                                features.require("dvipost");
@@ -1137,7 +1154,7 @@ void BufferParams::validate(LaTeXFeatures & features) const
                                features.require("ulem");
                                features.require("xcolor");
                                // improves color handling in PDF output
-                               features.require("pdfcolmk"); 
+                               features.require("pdfcolmk");
                        } else {
                                features.require("ct-none");
                        }
@@ -1161,6 +1178,8 @@ void BufferParams::validate(LaTeXFeatures & features) const
                features.require("mhchem");
        if (use_mathdots == package_on)
                features.require("mathdots");
+       if (use_undertilde == package_on)
+               features.require("undertilde");
 
        // Document-level line spacing
        if (spacing().getSpace() != Spacing::Single && !spacing().isDefault())
@@ -1169,7 +1188,7 @@ void BufferParams::validate(LaTeXFeatures & features) const
        // the bullet shapes are buffer level not paragraph level
        // so they are tested here
        for (int i = 0; i < 4; ++i) {
-               if (user_defined_bullet(i) == ITEMIZE_DEFAULTS[i]) 
+               if (user_defined_bullet(i) == ITEMIZE_DEFAULTS[i])
                        continue;
                int const font = user_defined_bullet(i).getFont();
                if (font == 0) {
@@ -1214,7 +1233,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        // http://www.tug.org/texmf-dist/doc/latex/base/fixltx2e.pdf
        // !! To use the Fix-cm package, load it before \documentclass, and use the command
        // \RequirePackage to do so, rather than the normal \usepackage
-       // Do not to load any other package before the document class, unless you
+       // Do not try to load any other package before the document class, unless you
        // have a thorough understanding of the LATEX internals and know exactly what you
        // are doing!
        if (features.mustProvide("fix-cm"))
@@ -1372,7 +1391,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
                          fonts_sans_scale, fonts_typewriter_scale,
                          useNonTeXFonts, features);
        if (!fonts.empty())
-               os << from_ascii(fonts);
+               os << from_utf8(fonts);
 
        if (fonts_default_family != "default")
                os << "\\renewcommand{\\familydefault}{\\"
@@ -1413,7 +1432,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
                        mangledFileName();
                        if (!features.runparams().nice)
                                incfile = mangled;
-                       // \includeonly doesn't want an extension 
+                       // \includeonly doesn't want an extension
                        incfile = changeExtension(incfile, string());
                        incfile = support::latex_path(incfile);
                        if (!incfile.empty()) {
@@ -1431,7 +1450,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
 
        if (!listings_params.empty()) {
                os << "\\lstset{";
-               // do not test validity because listings_params is 
+               // do not test validity because listings_params is
                // supposed to be valid
                string par =
                        InsetListingsParams(listings_params).separatedParams(true);
@@ -1550,59 +1569,8 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
                case PAPER_JISB6:
                        ods << ",b6j";
                        break;
-               default:
-                       // default papersize ie PAPER_DEFAULT
-                       switch (lyxrc.default_papersize) {
-                       case PAPER_DEFAULT: // keep compiler happy
-                               break;
-                       case PAPER_USLETTER:
-                               ods << ",letterpaper";
-                               break;
-                       case PAPER_USLEGAL:
-                               ods << ",legalpaper";
-                               break;
-                       case PAPER_USEXECUTIVE:
-                               ods << ",executivepaper";
-                               break;
-                       case PAPER_A3:
-                               ods << ",a3paper";
-                               break;
-                       case PAPER_A4:
-                               ods << ",a4paper";
-                               break;
-                       case PAPER_A5:
-                               ods << ",a5paper";
-                               break;
-                       case PAPER_B5:
-                               ods << ",b5paper";
-                               break;
-                       case PAPER_A0:
-                       case PAPER_A1:
-                       case PAPER_A2:
-                       case PAPER_A6:
-                       case PAPER_B0:
-                       case PAPER_B1:
-                       case PAPER_B2:
-                       case PAPER_B3:
-                       case PAPER_B4:
-                       case PAPER_B6:
-                       case PAPER_C0:
-                       case PAPER_C1:
-                       case PAPER_C2:
-                       case PAPER_C3:
-                       case PAPER_C4:
-                       case PAPER_C5:
-                       case PAPER_C6:
-                       case PAPER_JISB0:
-                       case PAPER_JISB1:
-                       case PAPER_JISB2:
-                       case PAPER_JISB3:
-                       case PAPER_JISB4:
-                       case PAPER_JISB5:
-                       case PAPER_JISB6:
-                       case PAPER_CUSTOM:
-                               break;
-                       }
+               case PAPER_DEFAULT:
+                       break;
                }
                docstring const g_options = trim(ods.str(), ",");
                os << "\\usepackage";
@@ -1645,7 +1613,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        if (isbackgroundcolor == true) {
                // only require color here, the background color will be defined
                // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
-               // package pdfpages 
+               // package pdfpages
                features.require("color");
                features.require("pagecolor");
        }
@@ -1654,7 +1622,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        if (isfontcolor == true) {
                // only require color here, the font color will be defined
                // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
-               // package pdfpages 
+               // package pdfpages
                features.require("color");
                features.require("fontcolor");
        }
@@ -1707,6 +1675,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
 
        // Now insert the LyX specific LaTeX commands...
        docstring lyxpreamble;
+       features.resolveAlternatives();
 
        if (output_sync) {
                if (!output_sync_macro.empty())
@@ -1724,7 +1693,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        // we decided therefore to load color always before babel, see
        // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg144349.html
        lyxpreamble += from_ascii(features.getColorOptions());
-       
+
        // If we use hyperref, jurabib, japanese, or vietnamese, we have to call babel before them.
        if (use_babel
            && (features.isRequired("jurabib")
@@ -1767,7 +1736,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        //   avoid errors with algorithm floats.
        // use hyperref explicitly if it is required
        if (features.isRequired("hyperref")) {
-               // pass what we have to stream here, since we need 
+               // pass what we have to stream here, since we need
                // to access the stream itself in PDFOptions.
                os << lyxpreamble;
 
@@ -1898,7 +1867,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
                        lyxpreamble += "[" + from_ascii(language->polyglossiaOpts()) + "]";
                lyxpreamble += "{" + from_ascii(language->polyglossia()) + "}\n";
                // now setup the other languages
-               std::map<std::string, std::string> const polylangs = 
+               std::map<std::string, std::string> const polylangs =
                        features.getPolyglossiaLanguages();
                for (std::map<std::string, std::string>::const_iterator mit = polylangs.begin();
                     mit != polylangs.end() ; ++mit) {
@@ -1973,7 +1942,7 @@ bool BufferParams::setBaseClass(string const & classname)
        LYXERR(Debug::TCLASS, "setBaseClass: " << classname);
        LayoutFileList & bcl = LayoutFileList::get();
        if (!bcl.haveClass(classname)) {
-               docstring s = 
+               docstring s =
                        bformat(_("The layout file:\n"
                                "%1$s\n"
                                "could not be found. A default textclass with default\n"
@@ -1986,7 +1955,7 @@ bool BufferParams::setBaseClass(string const & classname)
 
        bool const success = bcl[classname].load();
        if (!success) {
-               docstring s = 
+               docstring s =
                        bformat(_("Due to some error in it, the layout file:\n"
                                "%1$s\n"
                                "could not be loaded. A default textclass with default\n"
@@ -2007,7 +1976,7 @@ LayoutFile const * BufferParams::baseClass() const
 {
        if (LayoutFileList::get().haveClass(pimpl_->baseClass_))
                return &(LayoutFileList::get()[pimpl_->baseClass_]);
-       else 
+       else
                return 0;
 }
 
@@ -2026,7 +1995,9 @@ void BufferParams::makeDocumentClass()
        doc_class_ = &(DocumentClassBundle::get().makeDocumentClass(*baseClass(), layout_modules_));
 
        if (!local_layout.empty()) {
-               if (!doc_class_->read(local_layout, TextClass::MODULE)) {
+               TextClass::ReturnValues success =
+                       doc_class_->read(local_layout, TextClass::MODULE);
+               if (success != TextClass::OK && success != TextClass::OK_OLDFORMAT) {
                        docstring const msg = _("Error reading internal layout information");
                        frontend::Alert::warning(_("Read Error"), msg);
                }
@@ -2045,13 +2016,155 @@ bool BufferParams::addLayoutModule(string const & modName)
        LayoutModuleList::const_iterator it = layout_modules_.begin();
        LayoutModuleList::const_iterator end = layout_modules_.end();
        for (; it != end; it++)
-               if (*it == modName) 
+               if (*it == modName)
                        return false;
        layout_modules_.push_back(modName);
        return true;
 }
 
 
+string BufferParams::bufferFormat() const
+{
+       string format = documentClass().outputFormat();
+       if (format == "latex") {
+               if (useNonTeXFonts)
+                       return "xetex";
+               if (encoding().package() == Encoding::japanese)
+                       return "platex";
+       }
+       return format;
+}
+
+
+bool BufferParams::isExportable(string const & format) const
+{
+       vector<string> backs = backends();
+       for (vector<string>::const_iterator it = backs.begin();
+            it != backs.end(); ++it)
+               if (theConverters().isReachable(*it, format))
+                       return true;
+       return false;
+}
+
+
+namespace {
+bool formatSorter(Format const * lhs, Format const * rhs) {
+       return _(lhs->prettyname()) < _(rhs->prettyname());
+}
+}
+
+
+vector<Format const *> BufferParams::exportableFormats(bool only_viewable) const
+{
+       vector<string> const backs = backends();
+       set<string> excludes;
+       if (useNonTeXFonts) {
+               excludes.insert("latex");
+               excludes.insert("pdflatex");
+       }
+       vector<Format const *> result =
+               theConverters().getReachable(backs[0], only_viewable, true, excludes);
+       for (vector<string>::const_iterator it = backs.begin() + 1;
+            it != backs.end(); ++it) {
+               vector<Format const *>  r =
+                       theConverters().getReachable(*it, only_viewable, false, excludes);
+               result.insert(result.end(), r.begin(), r.end());
+       }
+       sort(result.begin(), result.end(), formatSorter);
+       return result;
+}
+
+
+bool BufferParams::isExportableFormat(string const & format) const
+{
+       typedef vector<Format const *> Formats;
+       Formats formats;
+       formats = exportableFormats(true);
+       Formats::const_iterator fit = formats.begin();
+       Formats::const_iterator end = formats.end();
+       for (; fit != end ; ++fit) {
+               if ((*fit)->name() == format)
+                       return true;
+       }
+       return false;
+}
+
+
+vector<string> BufferParams::backends() const
+{
+       vector<string> v;
+       v.push_back(bufferFormat());
+       // FIXME: Don't hardcode format names here, but use a flag
+       if (v.back() == "latex") {
+               v.push_back("pdflatex");
+               v.push_back("luatex");
+               v.push_back("dviluatex");
+               v.push_back("xetex");
+       } else if (v.back() == "xetex") {
+               v.push_back("luatex");
+               v.push_back("dviluatex");
+       }
+       v.push_back("xhtml");
+       v.push_back("text");
+       v.push_back("lyx");
+       return v;
+}
+
+
+OutputParams::FLAVOR BufferParams::getOutputFlavor(string const format) const
+{
+       string const dformat = (format.empty() || format == "default") ?
+               getDefaultOutputFormat() : format;
+       DefaultFlavorCache::const_iterator it =
+               default_flavors_.find(dformat);
+
+       if (it != default_flavors_.end())
+               return it->second;
+
+       OutputParams::FLAVOR result = OutputParams::LATEX;
+
+       if (dformat == "xhtml")
+               result = OutputParams::HTML;
+       else {
+               // Try to determine flavor of default output format
+               vector<string> backs = backends();
+               if (find(backs.begin(), backs.end(), dformat) == backs.end()) {
+                       // Get shortest path to format
+                       Graph::EdgePath path;
+                       for (vector<string>::const_iterator it = backs.begin();
+                           it != backs.end(); ++it) {
+                               Graph::EdgePath p = theConverters().getPath(*it, dformat);
+                               if (!p.empty() && (path.empty() || p.size() < path.size())) {
+                                       path = p;
+                               }
+                       }
+                       if (!path.empty())
+                               result = theConverters().getFlavor(path);
+               }
+       }
+       // cache this flavor
+       default_flavors_[dformat] = result;
+       return result;
+}
+
+
+string BufferParams::getDefaultOutputFormat() const
+{
+       if (!default_output_format.empty()
+           && default_output_format != "default")
+               return default_output_format;
+       if (isDocBook()
+           || useNonTeXFonts
+           || encoding().package() == Encoding::japanese) {
+               vector<Format const *> const formats = exportableFormats(true);
+               if (formats.empty())
+                       return string();
+               // return the first we find
+               return formats.front()->name();
+       }
+       return lyxrc.default_view_format;
+}
+
 Font const BufferParams::getFont() const
 {
        FontInfo f = documentClass().defaultfont();
@@ -2065,6 +2178,24 @@ Font const BufferParams::getFont() const
 }
 
 
+bool BufferParams::isLatex() const
+{
+       return documentClass().outputType() == LATEX;
+}
+
+
+bool BufferParams::isLiterate() const
+{
+       return documentClass().outputType() == LITERATE;
+}
+
+
+bool BufferParams::isDocBook() const
+{
+       return documentClass().outputType() == DOCBOOK;
+}
+
+
 void BufferParams::readPreamble(Lexer & lex)
 {
        if (lex.getString() != "\\begin_preamble")
@@ -2085,6 +2216,18 @@ void BufferParams::readLocalLayout(Lexer & lex)
 }
 
 
+bool BufferParams::setLanguage(string const & lang)
+{
+       Language const *new_language = languages.getLanguage(lang);
+       if (!new_language) {
+               // Language lang was not found
+               return false;
+       }
+       language = new_language;
+       return true;
+}
+
+
 void BufferParams::readLanguage(Lexer & lex)
 {
        if (!lex.next()) return;
@@ -2092,8 +2235,7 @@ void BufferParams::readLanguage(Lexer & lex)
        string const tmptok = lex.getString();
 
        // check if tmptok is part of tex_babel in tex-defs.h
-       language = languages.getLanguage(tmptok);
-       if (!language) {
+       if (!setLanguage(tmptok)) {
                // Language tmptok was not found
                language = default_language;
                lyxerr << "Warning: Setting language `"
@@ -2105,7 +2247,7 @@ void BufferParams::readLanguage(Lexer & lex)
 
 void BufferParams::readGraphicsDriver(Lexer & lex)
 {
-       if (!lex.next()) 
+       if (!lex.next())
                return;
 
        string const tmptok = lex.getString();
@@ -2131,7 +2273,7 @@ void BufferParams::readGraphicsDriver(Lexer & lex)
 
 void BufferParams::readBullets(Lexer & lex)
 {
-       if (!lex.next()) 
+       if (!lex.next())
                return;
 
        int const index = lex.getInteger();
@@ -2151,7 +2293,7 @@ void BufferParams::readBullets(Lexer & lex)
 void BufferParams::readBulletsLaTeX(Lexer & lex)
 {
        // The bullet class should be able to read this.
-       if (!lex.next()) 
+       if (!lex.next())
                return;
        int const index = lex.getInteger();
        lex.next(true);
@@ -2193,9 +2335,9 @@ void BufferParams::readRemovedModules(Lexer & lex)
                removed_modules_.push_back(mod);
                lex.eatLine();
        }
-       // now we want to remove any removed modules that were previously 
-       // added. normally, that will be because default modules were added in 
-       // setBaseClass(), which gets called when \textclass is read at the 
+       // now we want to remove any removed modules that were previously
+       // added. normally, that will be because default modules were added in
+       // setBaseClass(), which gets called when \textclass is read at the
        // start of the read.
        list<string>::const_iterator rit = removed_modules_.begin();
        list<string>::const_iterator const ren = removed_modules_.end();
@@ -2229,11 +2371,7 @@ void BufferParams::readIncludeonly(Lexer & lex)
 
 string BufferParams::paperSizeName(PapersizePurpose purpose) const
 {
-       char real_papersize = papersize;
-       if (real_papersize == PAPER_DEFAULT)
-               real_papersize = lyxrc.default_papersize;
-
-       switch (real_papersize) {
+       switch (papersize) {
        case PAPER_DEFAULT:
                // could be anything, so don't guess
                return string();
@@ -2459,7 +2597,8 @@ void BufferParams::writeEncodingPreamble(otexstream & os,
                return;
        // LuaTeX neither, but with tex fonts, we need to load
        // the luainputenc package.
-       if (features.runparams().flavor == OutputParams::LUATEX) {
+       if (features.runparams().flavor == OutputParams::LUATEX
+               || features.runparams().flavor == OutputParams::DVILUATEX) {
                if (!useNonTeXFonts && inputenc != "default"
                    && ((inputenc == "auto" && language->encoding()->package() == Encoding::inputenc)
                        || (inputenc != "auto" && encoding().package() == Encoding::inputenc))) {
@@ -2583,7 +2722,7 @@ string const BufferParams::loadFonts(string const & rm,
         *    -- add more GUI options?
         *    -- add more fonts (fonts for other scripts)
         *    -- if there's a way to find out if a font really supports
-        *       OldStyle, enable/disable the widget accordingly. 
+        *       OldStyle, enable/disable the widget accordingly.
        */
        if (use_systemfonts && features.isAvailable("fontspec")) {
                // "Mapping=tex-text" and "Ligatures=TeX" are equivalent.
@@ -2607,8 +2746,8 @@ string const BufferParams::loadFonts(string const & rm,
                if (sf != "default") {
                        string const sans = parseFontName(sf);
                        if (sfscale != 100)
-                               os << "\\setsansfont[Scale=" 
-                                  << float(sfscale) / 100 
+                               os << "\\setsansfont[Scale="
+                                  << float(sfscale) / 100
                                   << "," << texmapping << "]{"
                                   << sans << "}\n";
                        else
@@ -2618,8 +2757,8 @@ string const BufferParams::loadFonts(string const & rm,
                if (tt != "default") {
                        string const mono = parseFontName(tt);
                        if (ttscale != 100)
-                               os << "\\setmonofont[Scale=" 
-                                  << float(ttscale) / 100 
+                               os << "\\setmonofont[Scale="
+                                  << float(ttscale) / 100
                                   << "]{"
                                   << mono << "}\n";
                        else