]> 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 e3b343a3f727002f59517d4973ab3d234f656bfd..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;
@@ -375,18 +378,19 @@ BufferParams::BufferParams()
        tocdepth = 3;
        language = default_language;
        fontenc = "global";
-       fontsRoman = "default";
-       fontsSans = "default";
-       fontsTypewriter = "default";
-       fontsDefaultFamily = "default";
-       useXetex = false;
-       fontsSC = false;
-       fontsOSF = false;
-       fontsSansScale = 100;
-       fontsTypewriterScale = 100;
+       fonts_roman = "default";
+       fonts_sans = "default";
+       fonts_typewriter = "default";
+       fonts_default_family = "default";
+       useNonTeXFonts = false;
+       fonts_expert_sc = false;
+       fonts_old_figures = false;
+       fonts_sans_scale = 100;
+       fonts_typewriter_scale = 100;
        inputenc = "auto";
-       graphicsDriver = "default";
-       defaultOutputFormat = "default";
+       lang_package = "default";
+       graphics_driver = "default";
+       default_output_format = "default";
        bibtex_command = "default";
        index_command = "default";
        sides = OneSide;
@@ -394,6 +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;
@@ -413,6 +418,7 @@ BufferParams::BufferParams()
        html_be_strict = false;
        html_math_output = MathML;
        html_math_img_scale = 1.0;
+       html_css_as_file = false;
 
        output_sync = false;
        use_refstyle = true;
@@ -547,7 +553,8 @@ 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 be available.
+               // NOTE: in this case, the textclass (.cls file) is assumed to
+               // be available.
                string tcp;
                LayoutFileList & bcl = LayoutFileList::get();
                if (tcp.empty() && !filepath.empty())
@@ -556,12 +563,13 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                        setBaseClass(tcp);
                else
                        setBaseClass(classname);
-               // We assume that a tex class exists for local or unknown layouts so this warning
-               // will only be given for system layouts.
+               // 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 = from_utf8(baseClass()->prerequisites());
+                       docstring const prereqs =
+                               from_utf8(baseClass()->prerequisites());
                        docstring const msg =
                                bformat(_("The selected document class\n"
                                                 "\t%1$s\n"
@@ -570,8 +578,8 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                                                 "document cannot be compiled until the following\n"
                                                 "prerequisites are installed:\n"
                                                 "\t%2$s\n"
-                                                "See section 3.1.2.2 of the User's Guide for\n"
-                                                "more information."), desc, prereqs);
+                                                "See section 3.1.2.2 (Class Availability) of the\n"
+                                                "User's Guide for more information."), desc, prereqs);
                        frontend::Alert::warning(_("Document class not available"),
                                       msg);
                }
@@ -597,14 +605,19 @@ 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") {
+               lex.eatLine();
+               lang_package = lex.getString();
        } else if (token == "\\inputencoding") {
                lex >> inputenc;
        } else if (token == "\\graphics") {
                readGraphicsDriver(lex);
        } else if (token == "\\default_output_format") {
-               lex >> defaultOutputFormat;
+               lex >> default_output_format;
        } else if (token == "\\bibtex_command") {
                lex.eatLine();
                bibtex_command = lex.getString();
@@ -616,27 +629,27 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                fontenc = lex.getString();
        } else if (token == "\\font_roman") {
                lex.eatLine();
-               fontsRoman = lex.getString();
+               fonts_roman = lex.getString();
        } else if (token == "\\font_sans") {
                lex.eatLine();
-               fontsSans = lex.getString();
+               fonts_sans = lex.getString();
        } else if (token == "\\font_typewriter") {
                lex.eatLine();
-               fontsTypewriter = lex.getString();
+               fonts_typewriter = lex.getString();
        } else if (token == "\\font_default_family") {
-               lex >> fontsDefaultFamily;
-       } else if (token == "\\use_xetex") {
-               lex >> useXetex;
+               lex >> fonts_default_family;
+       } else if (token == "\\use_non_tex_fonts") {
+               lex >> useNonTeXFonts;
        } else if (token == "\\font_sc") {
-               lex >> fontsSC;
+               lex >> fonts_expert_sc;
        } else if (token == "\\font_osf") {
-               lex >> fontsOSF;
+               lex >> fonts_old_figures;
        } else if (token == "\\font_sf_scale") {
-               lex >> fontsSansScale;
+               lex >> fonts_sans_scale;
        } else if (token == "\\font_tt_scale") {
-               lex >> fontsTypewriterScale;
+               lex >> fonts_typewriter_scale;
        } else if (token == "\\font_cjk") {
-               lex >> fontsCJK;
+               lex >> fonts_cjk;
        } else if (token == "\\paragraph_separation") {
                string parsep;
                lex >> parsep;
@@ -678,10 +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") {
@@ -757,7 +777,7 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                istringstream ss(lex.getString());
                Author a;
                ss >> a;
-               author_map[a.buffer_id()] = pimpl_->authorlist.record(a);
+               author_map[a.bufferId()] = pimpl_->authorlist.record(a);
        } else if (token == "\\paperorientation") {
                string orient;
                lex >> orient;
@@ -844,6 +864,8 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                html_math_output = static_cast<MathOutput>(temp);
        } else if (token == "\\html_be_strict") {
                lex >> html_be_strict;
+       } else if (token == "\\html_css_as_file") {
+               lex >> html_css_as_file;
        } else if (token == "\\html_math_img_scale") {
                lex >> html_math_img_scale;
        } else if (token == "\\html_latex_start") {
@@ -859,7 +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;
        }
@@ -891,39 +913,39 @@ 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 (!removedModules_.empty()) {
+       if (!removed_modules_.empty()) {
                os << "\\begin_removed_modules" << '\n';
-               list<string>::const_iterator it = removedModules_.begin();
-               list<string>::const_iterator en = removedModules_.end();
+               list<string>::const_iterator it = removed_modules_.begin();
+               list<string>::const_iterator en = removed_modules_.end();
                for (; it != en; it++)
                        os << *it << '\n';
                os << "\\end_removed_modules" << '\n';
        }
 
        // the modules
-       if (!layoutModules_.empty()) {
+       if (!layout_modules_.empty()) {
                os << "\\begin_modules" << '\n';
-               LayoutModuleList::const_iterator it = layoutModules_.begin();
-               LayoutModuleList::const_iterator en = layoutModules_.end();
+               LayoutModuleList::const_iterator it = layout_modules_.begin();
+               LayoutModuleList::const_iterator en = layout_modules_.end();
                for (; it != en; it++)
                        os << *it << '\n';
                os << "\\end_modules" << '\n';
        }
 
        // includeonly
-       if (!includedChildren_.empty()) {
+       if (!included_children_.empty()) {
                os << "\\begin_includeonly" << '\n';
-               list<string>::const_iterator it = includedChildren_.begin();
-               list<string>::const_iterator en = includedChildren_.end();
+               list<string>::const_iterator it = included_children_.begin();
+               list<string>::const_iterator en = included_children_.end();
                for (; it != en; it++)
                        os << *it << '\n';
                os << "\\end_includeonly" << '\n';
@@ -933,7 +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
@@ -943,23 +965,24 @@ void BufferParams::writeFile(ostream & os) const
        // then the text parameters
        if (language != ignore_language)
                os << "\\language " << language->lang() << '\n';
-       os << "\\inputencoding " << inputenc
+       os << "\\language_package " << lang_package
+          << "\n\\inputencoding " << inputenc
           << "\n\\fontencoding " << fontenc
-          << "\n\\font_roman " << fontsRoman
-          << "\n\\font_sans " << fontsSans
-          << "\n\\font_typewriter " << fontsTypewriter
-          << "\n\\font_default_family " << fontsDefaultFamily
-          << "\n\\use_xetex " << convert<string>(useXetex)
-          << "\n\\font_sc " << convert<string>(fontsSC)
-          << "\n\\font_osf " << convert<string>(fontsOSF)
-          << "\n\\font_sf_scale " << fontsSansScale
-          << "\n\\font_tt_scale " << fontsTypewriterScale
+          << "\n\\font_roman " << fonts_roman
+          << "\n\\font_sans " << fonts_sans
+          << "\n\\font_typewriter " << fonts_typewriter
+          << "\n\\font_default_family " << fonts_default_family
+          << "\n\\use_non_tex_fonts " << convert<string>(useNonTeXFonts)
+          << "\n\\font_sc " << convert<string>(fonts_expert_sc)
+          << "\n\\font_osf " << convert<string>(fonts_old_figures)
+          << "\n\\font_sf_scale " << fonts_sans_scale
+          << "\n\\font_tt_scale " << fonts_typewriter_scale
           << '\n';
-       if (!fontsCJK.empty()) {
-               os << "\\font_cjk " << fontsCJK << '\n';
+       if (!fonts_cjk.empty()) {
+               os << "\\font_cjk " << fonts_cjk << '\n';
        }
-       os << "\n\\graphics " << graphicsDriver << '\n';
-       os << "\\default_output_format " << defaultOutputFormat << '\n';
+       os << "\n\\graphics " << graphics_driver << '\n';
+       os << "\\default_output_format " << default_output_format << '\n';
        os << "\\output_sync " << output_sync << '\n';
        if (!output_sync_macro.empty())
                os << "\\output_sync_macro \"" << output_sync_macro << "\"\n";
@@ -980,12 +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';
@@ -1045,7 +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
@@ -1081,10 +1107,11 @@ void BufferParams::writeFile(ostream & os) const
        }
 
        os << "\\tracking_changes " << convert<string>(trackChanges) << '\n'
-                << "\\output_changes " << convert<string>(outputChanges) << '\n'
-                << "\\html_math_output " << html_math_output << '\n'
-                << "\\html_be_strict " << convert<string>(html_be_strict) << '\n';
-       
+          << "\\output_changes " << convert<string>(outputChanges) << '\n'
+          << "\\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())
@@ -1107,6 +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");
@@ -1118,6 +1146,7 @@ void BufferParams::validate(LaTeXFeatures & features) const
                                features.require("ct-none");
                        }
                        break;
+               case OutputParams::LUATEX:
                case OutputParams::PDFLATEX:
                case OutputParams::XETEX:
                        if (xcolorulem) {
@@ -1125,7 +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");
                        }
@@ -1149,6 +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())
@@ -1157,7 +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) {
@@ -1185,8 +1216,9 @@ void BufferParams::validate(LaTeXFeatures & features) const
                        features.require("color");
        }
 
-       if (useXetex)
-               features.require("xetex");
+       if (features.runparams().flavor == OutputParams::XETEX
+           && useNonTeXFonts)
+               features.require("polyglossia");
 
        if (language->lang() == "vietnamese")
                features.require("vietnamese");
@@ -1195,9 +1227,18 @@ void BufferParams::validate(LaTeXFeatures & features) const
 }
 
 
-bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
-                             TexRow & texrow, FileName const & filepath) const
+bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
+                             FileName const & filepath) const
 {
+       // 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 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"))
+               os << "\\RequirePackage{fix-cm}\n";
+
        os << "\\documentclass";
 
        DocumentClass const & tclass = documentClass();
@@ -1303,15 +1344,16 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
 
        ostringstream language_options;
        bool const use_babel = features.useBabel() && !tclass.provides("babel");
-       if (use_babel) {
+       bool const use_polyglossia = features.usePolyglossia();
+       bool const global = lyxrc.language_global_options;
+       if (use_babel || (use_polyglossia && global)) {
                language_options << features.getLanguages();
                if (!language->babel().empty()) {
                        if (!language_options.str().empty())
                                language_options << ',';
                        language_options << language->babel();
                }
-               if (lyxrc.language_global_options
-                   && !features.needBabelLangOptions())
+               if (global && !features.needBabelLangOptions())
                        clsoptions << language_options.str() << ',';
        }
 
@@ -1332,33 +1374,35 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
        }
 
        os << '{' << from_ascii(tclass.latexname()) << "}\n";
-       texrow.newline();
        // end of \documentclass defs
 
-       if (useXetex) {
+       // if we use fontspec, we have to load the AMS packages here
+       string const ams = features.loadAMSPackages();
+       if (useNonTeXFonts && !ams.empty())
+               os << from_ascii(ams);
+
+       if (useNonTeXFonts)
                os << "\\usepackage{fontspec}\n";
-               texrow.newline();
-       }
 
        // font selection must be done before loading fontenc.sty
        string const fonts =
-               loadFonts(fontsRoman, fontsSans,
-                         fontsTypewriter, fontsSC, fontsOSF,
-                         fontsSansScale, fontsTypewriterScale, useXetex);
-       if (!fonts.empty()) {
-               os << from_ascii(fonts);
-               texrow.newline();
-       }
-       if (fontsDefaultFamily != "default")
+               loadFonts(fonts_roman, fonts_sans, fonts_typewriter,
+                         fonts_expert_sc, fonts_old_figures,
+                         fonts_sans_scale, fonts_typewriter_scale,
+                         useNonTeXFonts, features);
+       if (!fonts.empty())
+               os << from_utf8(fonts);
+
+       if (fonts_default_family != "default")
                os << "\\renewcommand{\\familydefault}{\\"
-                  << from_ascii(fontsDefaultFamily) << "}\n";
+                  << from_ascii(fonts_default_family) << "}\n";
 
        // set font encoding
        // for arabic_arabi and farsi we also need to load the LAE and
        // LFE encoding
-       // XeTeX works without fontenc
+       // XeTeX and LuaTeX (with OS fonts) work without fontenc
        if (font_encoding() != "default" && language->lang() != "japanese"
-           && !useXetex && !tclass.provides("fontenc")) {
+           && !useNonTeXFonts && !tclass.provides("fontenc")) {
                size_t fars = language_options.str().find("farsi");
                size_t arab = language_options.str().find("arabic");
                if (language->lang() == "arabic_arabi"
@@ -1366,30 +1410,29 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
                        || arab != string::npos) {
                        os << "\\usepackage[" << from_ascii(font_encoding())
                           << ",LFE,LAE]{fontenc}\n";
-                       texrow.newline();
                } else {
                        os << "\\usepackage[" << from_ascii(font_encoding())
                           << "]{fontenc}\n";
-                       texrow.newline();
                }
        }
 
        // handle inputenc etc.
-       writeEncodingPreamble(os, features, texrow);
+       writeEncodingPreamble(os, features);
 
        // includeonly
-       if (!features.runparams().includeall && !includedChildren_.empty()) {
+       if (!features.runparams().includeall && !included_children_.empty()) {
                os << "\\includeonly{";
-               list<string>::const_iterator it = includedChildren_.begin();
+               list<string>::const_iterator it = included_children_.begin();
+               list<string>::const_iterator en = included_children_.end();
                bool first = true;
-               for (; it != includedChildren_.end() ; ++it) {
+               for (; it != en; ++it) {
                        string incfile = *it;
                        FileName inc = makeAbsPath(incfile, filepath.absFileName());
                        string mangled = DocFileName(changeExtension(inc.absFileName(), ".tex")).
                        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()) {
@@ -1402,26 +1445,20 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
                os << "}\n";
        }
 
-       if (!listings_params.empty() || features.isRequired("listings")) {
+       if (!listings_params.empty() || features.isRequired("listings"))
                os << "\\usepackage{listings}\n";
-               texrow.newline();
-       }
+
        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);
                // we can't support all packages, but we should load the color package
                if (par.find("\\color", 0) != string::npos)
                        features.require("color");
-               os << from_utf8(par);
-               // count the number of newlines
-               for (size_t i = 0; i < par.size(); ++i)
-                       if (par[i] == '\n')
-                               texrow.newline();
-               os << "}\n";
-               texrow.newline();
+               os << from_utf8(par)
+                  << "}\n";
        }
        if (!tclass.provides("geometry")
            && (use_geometry || nonstandard_papersize)) {
@@ -1532,65 +1569,14 @@ bool BufferParams::writeLaTeX(odocstream & 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
-                       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";
                if (!g_options.empty())
                        os << '[' << g_options << ']';
                os << "{geometry}\n";
-               texrow.newline();
                // output this only if use_geometry is true
                if (use_geometry) {
                        os << "\\geometry{verbose";
@@ -1611,28 +1597,23 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
                        if (!columnsep.empty())
                                os << ",columnsep=" << from_ascii(Length(columnsep).asLatexString());
                        os << "}\n";
-                       texrow.newline();
                }
        } else if (orientation == ORIENTATION_LANDSCAPE
                   || papersize != PAPER_DEFAULT) {
                features.require("papersize");
        }
 
-       if (tokenPos(tclass.opt_pagestyle(),
-                    '|', pagestyle) >= 0) {
-               if (pagestyle == "fancy") {
+       if (tokenPos(tclass.opt_pagestyle(), '|', pagestyle) >= 0) {
+               if (pagestyle == "fancy")
                        os << "\\usepackage{fancyhdr}\n";
-                       texrow.newline();
-               }
                os << "\\pagestyle{" << from_ascii(pagestyle) << "}\n";
-               texrow.newline();
        }
 
        // only output when the background color is not default
        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");
        }
@@ -1641,7 +1622,7 @@ bool BufferParams::writeLaTeX(odocstream & 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");
        }
@@ -1652,13 +1633,11 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
                        os << "\\setcounter{secnumdepth}{"
                           << secnumdepth
                           << "}\n";
-                       texrow.newline();
                }
                if (tocdepth != tclass.tocdepth()) {
                        os << "\\setcounter{tocdepth}{"
                           << tocdepth
                           << "}\n";
-                       texrow.newline();
                }
        }
 
@@ -1683,22 +1662,20 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
                        os << "\\setlength{\\parskip}{\\medskipamount}\n";
                        break;
                }
-               texrow.newline();
                os << "\\setlength{\\parindent}{0pt}\n";
-               texrow.newline();
        } else {
                // when separation by indentation
                // only output something when a width is given
                if (getIndentation().asLyXCommand() != "default") {
                        os << "\\setlength{\\parindent}{"
-                               << from_utf8(getIndentation().asLatexCommand())
+                          << from_utf8(getIndentation().asLatexCommand())
                           << "}\n";
-                       texrow.newline();
                }
        }
 
        // Now insert the LyX specific LaTeX commands...
        docstring lyxpreamble;
+       features.resolveAlternatives();
 
        if (output_sync) {
                if (!output_sync_macro.empty())
@@ -1716,18 +1693,18 @@ bool BufferParams::writeLaTeX(odocstream & 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")
-                       || features.isRequired("hyperref")
-                       || features.isRequired("vietnamese")
-                       || features.isRequired("japanese") ) ) {
-                               // FIXME UNICODE
-                               lyxpreamble += from_utf8(features.getBabelPresettings());
-                               lyxpreamble += from_utf8(babelCall(language_options.str(),
-                                                                  features.needBabelLangOptions())) + '\n';
-                               lyxpreamble += from_utf8(features.getBabelPostsettings());
+           && (features.isRequired("jurabib")
+               || features.isRequired("hyperref")
+               || features.isRequired("vietnamese")
+               || features.isRequired("japanese"))) {
+                       // FIXME UNICODE
+                       lyxpreamble += from_utf8(features.getBabelPresettings());
+                       lyxpreamble += from_utf8(babelCall(language_options.str(),
+                                                          features.needBabelLangOptions())) + '\n';
+                       lyxpreamble += from_utf8(features.getBabelPostsettings());
        }
 
        // The optional packages;
@@ -1759,19 +1736,19 @@ bool BufferParams::writeLaTeX(odocstream & 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;
 
-               int lines =
-                       int(count(lyxpreamble.begin(), lyxpreamble.end(), '\n'));
-
                OutputParams tmp_params = features.runparams();
-               lines += pdfoptions().writeLaTeX(tmp_params, os,
+               pdfoptions().writeLaTeX(tmp_params, os,
                                        documentClass().provides("hyperref"));
-               texrow.newlines(lines);
                // set back for the rest
                lyxpreamble.clear();
+               // correctly break URLs with hyperref and dvi output
+               if (features.runparams().flavor == OutputParams::LATEX
+                   && features.isAvailable("breakurl"))
+                       lyxpreamble += "\\usepackage{breakurl}\n";
        } else if (features.isRequired("nameref"))
                // hyperref loads this automatically
                lyxpreamble += "\\usepackage{nameref}\n";
@@ -1875,25 +1852,39 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
                lyxpreamble += from_utf8(features.getBabelPostsettings());
        }
 
-       docstring const i18npreamble = features.getTClassI18nPreamble(use_babel);
+       // xunicode needs to be loaded at least after amsmath, amssymb,
+       // esint and the other packages that provide special glyphs
+       if (features.runparams().flavor == OutputParams::XETEX)
+               lyxpreamble += "\\usepackage{xunicode}\n";
+
+       // Polyglossia must be loaded last
+       if (use_polyglossia) {
+               // call the package
+               lyxpreamble += "\\usepackage{polyglossia}\n";
+               // set the main language
+               lyxpreamble += "\\setdefaultlanguage";
+               if (!language->polyglossiaOpts().empty())
+                       lyxpreamble += "[" + from_ascii(language->polyglossiaOpts()) + "]";
+               lyxpreamble += "{" + from_ascii(language->polyglossia()) + "}\n";
+               // now setup the other languages
+               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) {
+                       lyxpreamble += "\\setotherlanguage";
+                       if (!mit->second.empty())
+                               lyxpreamble += "[" + from_ascii(mit->second) + "]";
+                       lyxpreamble += "{" + from_ascii(mit->first) + "}\n";
+               }
+       }
+
+       docstring const i18npreamble =
+               features.getTClassI18nPreamble(use_babel, use_polyglossia);
        if (!i18npreamble.empty())
                lyxpreamble += i18npreamble + '\n';
 
-       int const nlines =
-               int(count(lyxpreamble.begin(), lyxpreamble.end(), '\n'));
-       texrow.newlines(nlines);
-
        os << lyxpreamble;
 
-       // these packages (xunicode, for that matter) need to be loaded at least
-       // after amsmath, amssymb, esint and the other packages that provide 
-       // special glyphs
-       if (useXetex) {
-               os << "\\usepackage{xunicode}\n";
-               texrow.newline();
-               os << "\\usepackage{xltxtra}\n";
-               texrow.newline();
-       }
        return use_babel;
 }
 
@@ -1951,7 +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"
@@ -1964,7 +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"
@@ -1976,7 +1967,7 @@ bool BufferParams::setBaseClass(string const & classname)
        }
 
        pimpl_->baseClass_ = classname;
-       layoutModules_.adaptToBaseClass(baseClass(), removedModules_);
+       layout_modules_.adaptToBaseClass(baseClass(), removed_modules_);
        return true;
 }
 
@@ -1985,7 +1976,7 @@ LayoutFile const * BufferParams::baseClass() const
 {
        if (LayoutFileList::get().haveClass(pimpl_->baseClass_))
                return &(LayoutFileList::get()[pimpl_->baseClass_]);
-       else 
+       else
                return 0;
 }
 
@@ -2001,10 +1992,12 @@ void BufferParams::makeDocumentClass()
        if (!baseClass())
                return;
 
-       doc_class_ = &(DocumentClassBundle::get().makeDocumentClass(*baseClass(), layoutModules_));
+       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);
                }
@@ -2014,35 +2007,195 @@ void BufferParams::makeDocumentClass()
 
 bool BufferParams::moduleCanBeAdded(string const & modName) const
 {
-       return layoutModules_.moduleCanBeAdded(modName, baseClass());
+       return layout_modules_.moduleCanBeAdded(modName, baseClass());
 }
 
 
 bool BufferParams::addLayoutModule(string const & modName)
 {
-       LayoutModuleList::const_iterator it = layoutModules_.begin();
-       LayoutModuleList::const_iterator end = layoutModules_.end();
+       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;
-       layoutModules_.push_back(modName);
+       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();
-       if (fontsDefaultFamily == "rmdefault")
+       if (fonts_default_family == "rmdefault")
                f.setFamily(ROMAN_FAMILY);
-       else if (fontsDefaultFamily == "sfdefault")
+       else if (fonts_default_family == "sfdefault")
                f.setFamily(SANS_FAMILY);
-       else if (fontsDefaultFamily == "ttdefault")
+       else if (fonts_default_family == "ttdefault")
                f.setFamily(TYPEWRITER_FAMILY);
        return Font(f, language);
 }
 
 
+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")
@@ -2063,6 +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;
@@ -2070,8 +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 `"
@@ -2083,7 +2247,7 @@ void BufferParams::readLanguage(Lexer & lex)
 
 void BufferParams::readGraphicsDriver(Lexer & lex)
 {
-       if (!lex.next()) 
+       if (!lex.next())
                return;
 
        string const tmptok = lex.getString();
@@ -2093,14 +2257,14 @@ void BufferParams::readGraphicsDriver(Lexer & lex)
                string const test = tex_graphics[n++];
 
                if (test == tmptok) {
-                       graphicsDriver = tmptok;
+                       graphics_driver = tmptok;
                        break;
                }
                if (test.empty()) {
                        lex.printError(
                                "Warning: graphics driver `$$Token' not recognized!\n"
                                "         Setting graphics driver to `default'.\n");
-                       graphicsDriver = "default";
+                       graphics_driver = "default";
                        break;
                }
        }
@@ -2109,7 +2273,7 @@ void BufferParams::readGraphicsDriver(Lexer & lex)
 
 void BufferParams::readBullets(Lexer & lex)
 {
-       if (!lex.next()) 
+       if (!lex.next())
                return;
 
        int const index = lex.getInteger();
@@ -2129,7 +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);
@@ -2168,22 +2332,22 @@ void BufferParams::readRemovedModules(Lexer & lex)
                string mod = lex.getString();
                if (mod == "\\end_removed_modules")
                        break;
-               removedModules_.push_back(mod);
+               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 = removedModules_.begin();
-       list<string>::const_iterator const ren = removedModules_.end();
+       list<string>::const_iterator rit = removed_modules_.begin();
+       list<string>::const_iterator const ren = removed_modules_.end();
        for (; rit != ren; rit++) {
-               LayoutModuleList::iterator const mit = layoutModules_.begin();
-               LayoutModuleList::iterator const men = layoutModules_.end();
+               LayoutModuleList::iterator const mit = layout_modules_.begin();
+               LayoutModuleList::iterator const men = layout_modules_.end();
                LayoutModuleList::iterator found = find(mit, men, *rit);
                if (found == men)
                        continue;
-               layoutModules_.erase(found);
+               layout_modules_.erase(found);
        }
 }
 
@@ -2199,7 +2363,7 @@ void BufferParams::readIncludeonly(Lexer & lex)
                string child = lex.getString();
                if (child == "\\end_includeonly")
                        break;
-               includedChildren_.push_back(child);
+               included_children_.push_back(child);
                lex.eatLine();
        }
 }
@@ -2207,11 +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();
@@ -2392,9 +2552,11 @@ string const BufferParams::font_encoding() const
 
 string BufferParams::babelCall(string const & lang_opts, bool const langoptions) const
 {
-       string lang_pack = lyxrc.language_package;
-       if (lang_pack != "\\usepackage{babel}")
-               return lang_pack;
+       if (lang_package != "auto" && lang_package != "babel"
+           && lang_package != "default" && lang_package != "none")
+               return lang_package;
+       if (lyxrc.language_package_selection == LyXRC::LP_CUSTOM)
+               return lyxrc.language_custom_package;
        // suppress the babel call if there is no BabelName defined
        // for the document language in the lib/languages file and if no
        // other languages are used (lang_opts is then empty)
@@ -2405,7 +2567,7 @@ string BufferParams::babelCall(string const & lang_opts, bool const langoptions)
        // be submitted to babel itself (not the class).
        if (langoptions)
                return "\\usepackage[" + lang_opts + "]{babel}";
-       return lang_pack;
+       return "\\usepackage{babel}";
 }
 
 
@@ -2414,12 +2576,12 @@ docstring BufferParams::getGraphicsDriver(string const & package) const
        docstring result;
 
        if (package == "geometry") {
-               if (graphicsDriver == "dvips"
-                   || graphicsDriver == "dvipdfm"
-                   || graphicsDriver == "pdftex"
-                   || graphicsDriver == "vtex")
-                       result = from_ascii(graphicsDriver);
-               else if (graphicsDriver == "dvipdfmx")
+               if (graphics_driver == "dvips"
+                   || graphics_driver == "dvipdfm"
+                   || graphics_driver == "pdftex"
+                   || graphics_driver == "vtex")
+                       result = from_ascii(graphics_driver);
+               else if (graphics_driver == "dvipdfmx")
                        result = from_ascii("dvipdfm");
        }
 
@@ -2427,11 +2589,23 @@ docstring BufferParams::getGraphicsDriver(string const & package) const
 }
 
 
-void BufferParams::writeEncodingPreamble(odocstream & os,
-               LaTeXFeatures & features, TexRow & texrow) const
+void BufferParams::writeEncodingPreamble(otexstream & os,
+                                        LaTeXFeatures & features) const
 {
-       if (useXetex)
+       // XeTeX does not need this
+       if (features.runparams().flavor == OutputParams::XETEX)
                return;
+       // LuaTeX neither, but with tex fonts, we need to load
+       // the luainputenc package.
+       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))) {
+                       os << "\\usepackage[utf8]{luainputenc}\n";
+               }
+               return;
+       }
        if (inputenc == "auto") {
                string const doc_encoding =
                        language->encoding()->latexName();
@@ -2466,7 +2640,6 @@ void BufferParams::writeEncodingPreamble(odocstream & os,
                                os << from_ascii(doc_encoding);
                        }
                        os << "]{inputenc}\n";
-                       texrow.newline();
                }
                if (package == Encoding::CJK || features.mustProvide("CJK")) {
                        if (language->encoding()->name() == "utf8-cjk"
@@ -2474,7 +2647,6 @@ void BufferParams::writeEncodingPreamble(odocstream & os,
                                os << "\\usepackage{CJKutf8}\n";
                        else
                                os << "\\usepackage{CJK}\n";
-                       texrow.newline();
                }
        } else if (inputenc != "default") {
                switch (encoding().package()) {
@@ -2487,7 +2659,6 @@ void BufferParams::writeEncodingPreamble(odocstream & os,
                                break;
                        os << "\\usepackage[" << from_ascii(inputenc)
                           << "]{inputenc}\n";
-                       texrow.newline();
                        break;
                case Encoding::CJK:
                        if (encoding().name() == "utf8-cjk"
@@ -2495,7 +2666,6 @@ void BufferParams::writeEncodingPreamble(odocstream & os,
                                os << "\\usepackage{CJKutf8}\n";
                        else
                                os << "\\usepackage{CJK}\n";
-                       texrow.newline();
                        break;
                }
        }
@@ -2503,10 +2673,8 @@ void BufferParams::writeEncodingPreamble(odocstream & os,
        // The encoding "armscii8" (for Armenian) is only available when
        // the package "armtex" is loaded.
        if (language->encoding()->latexName() == "armscii8"
-           || inputenc == "armscii8") {
+           || inputenc == "armscii8")
                os << "\\usepackage{armtex}\n";
-               texrow.newline();
-       }
 }
 
 
@@ -2525,7 +2693,8 @@ string const BufferParams::loadFonts(string const & rm,
                                     string const & sf, string const & tt,
                                     bool const & sc, bool const & osf,
                                     int const & sfscale, int const & ttscale,
-                                    bool const & xetex) const
+                                    bool const & use_systemfonts,
+                                    LaTeXFeatures & features) const
 {
        /* The LaTeX font world is in a flux. In the PSNFSS font interface,
           several packages have been replaced by others, that might not
@@ -2545,34 +2714,57 @@ string const BufferParams::loadFonts(string const & rm,
 
        ostringstream os;
 
-       if (xetex) {
-               if (rm != "default")
-                       os << "\\setmainfont[Mapping=tex-text]{"
-                          << parseFontName(rm) << "}\n";
+       /* Fontspec (XeTeX, LuaTeX): we provide GUI support for oldstyle
+        * numbers (Numbers=OldStyle) and sf/tt scaling. The Ligatures=TeX/
+        * Mapping=tex-text option assures TeX ligatures (such as "--")
+        * are resolved. Note that tt does not use these ligatures.
+        * TODO:
+        *    -- 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.
+       */
+       if (use_systemfonts && features.isAvailable("fontspec")) {
+               // "Mapping=tex-text" and "Ligatures=TeX" are equivalent.
+               // However, until v.2 (2010/07/11) fontspec only knew
+               // Mapping=tex-text (for XeTeX only); then "Ligatures=TeX"
+               // was introduced for both XeTeX and LuaTeX (LuaTeX
+               // didn't understand "Mapping=tex-text", while XeTeX
+               // understood both. With most recent versions, both
+               // variants are understood by both engines. However,
+               // we want to provide support for at least TeXLive 2009
+               // (for XeTeX; LuaTeX is only supported as of v.2)
+               string const texmapping =
+                       (features.runparams().flavor == OutputParams::XETEX) ?
+                       "Mapping=tex-text" : "Ligatures=TeX";
+               if (rm != "default") {
+                       os << "\\setmainfont[" << texmapping;
+                       if (osf)
+                               os << ",Numbers=OldStyle";
+                       os << "]{" << parseFontName(rm) << "}\n";
+               }
                if (sf != "default") {
                        string const sans = parseFontName(sf);
                        if (sfscale != 100)
-                               os << "\\setsansfont[Scale=" 
-                                  << float(sfscale) / 100 
-                                  << ",Mapping=tex-text]{"
+                               os << "\\setsansfont[Scale="
+                                  << float(sfscale) / 100
+                                  << "," << texmapping << "]{"
                                   << sans << "}\n";
                        else
-                               os << "\\setsansfont[Mapping=tex-text]{"
+                               os << "\\setsansfont[" << texmapping << "]{"
                                   << sans << "}\n";
                }
                if (tt != "default") {
                        string const mono = parseFontName(tt);
                        if (ttscale != 100)
-                               os << "\\setmonofont[Scale=" 
-                                  << float(sfscale) / 100 
+                               os << "\\setmonofont[Scale="
+                                  << float(ttscale) / 100
                                   << "]{"
                                   << mono << "}\n";
                        else
-                               os << "\\setmonofont[Mapping=tex-text]{"
+                               os << "\\setmonofont{"
                                   << mono << "}\n";
                }
-               if (osf)
-                       os << "\\defaultfontfeatures{Numbers=OldStyle}\n";
                return os.str();
        }
 
@@ -2692,7 +2884,11 @@ string const BufferParams::loadFonts(string const & rm,
 
 Encoding const & BufferParams::encoding() const
 {
-       if (useXetex)
+       // FIXME: actually, we should check for the flavor
+       // or runparams.isFullyUnicode() here:
+       // This check will not work with XeTeX/LuaTeX and tex fonts.
+       // Thus we have to reset the encoding in Buffer::makeLaTeXFile.
+       if (useNonTeXFonts)
                return *(encodings.fromLaTeXName("utf8-plain"));
        if (inputenc == "auto" || inputenc == "default")
                return *language->encoding();