]> git.lyx.org Git - lyx.git/blobdiff - src/LaTeXFeatures.cpp
::readlink() needs unistd.h
[lyx.git] / src / LaTeXFeatures.cpp
index d5a0b6f6b90043b7015f37d64dad51804ea5071b..4d6a54922847b062cb696830a4cd656788e9b8d2 100644 (file)
@@ -24,6 +24,7 @@
 #include "Floating.h"
 #include "FloatList.h"
 #include "Language.h"
+#include "LaTeXFonts.h"
 #include "LaTeXPackages.h"
 #include "Layout.h"
 #include "Lexer.h"
@@ -133,24 +134,6 @@ static docstring const paragraphleftindent_def = from_ascii(
        "}\n"
        "{\\end{list}}\n");
 
-static docstring const floatingfootnote_def = from_ascii(
-       "%% Special footnote code from the package 'stblftnt.sty'\n"
-       "%% Author: Robin Fairbairns -- Last revised Dec 13 1996\n"
-       "\\let\\SF@@footnote\\footnote\n"
-       "\\def\\footnote{\\ifx\\protect\\@typeset@protect\n"
-       "    \\expandafter\\SF@@footnote\n"
-       "  \\else\n"
-       "    \\expandafter\\SF@gobble@opt\n"
-       "  \\fi\n"
-       "}\n"
-       "\\expandafter\\def\\csname SF@gobble@opt \\endcsname{\\@ifnextchar[%]\n"
-       "  \\SF@gobble@twobracket\n"
-       "  \\@gobble\n"
-       "}\n"
-       "\\edef\\SF@gobble@opt{\\noexpand\\protect\n"
-       "  \\expandafter\\noexpand\\csname SF@gobble@opt \\endcsname}\n"
-       "\\def\\SF@gobble@twobracket[#1]#2{}\n");
-
 static docstring const binom_def = from_ascii(
        "%% Binom macro for standard LaTeX users\n"
        "\\newcommand{\\binom}[2]{{#1 \\choose #2}}\n");
@@ -183,19 +166,19 @@ static docstring const changetracking_dvipost_def = from_ascii(
        "\\dvipost{osend color pop}\n"
        "\\dvipost{cbstart color push Blue}\n"
        "\\dvipost{cbend color pop}\n"
-       "\\newcommand{\\lyxadded}[3]{\\changestart#3\\changeend}\n"
-       "\\newcommand{\\lyxdeleted}[3]{%\n"
+       "\\DeclareRobustCommand{\\lyxadded}[3]{\\changestart#3\\changeend}\n"
+       "\\DeclareRobustCommand{\\lyxdeleted}[3]{%\n"
        "\\changestart\\overstrikeon#3\\overstrikeoff\\changeend}\n");
 
 static docstring const changetracking_xcolor_ulem_def = from_ascii(
        "%% Change tracking with ulem\n"
-       "\\newcommand{\\lyxadded}[3]{{\\color{lyxadded}{}#3}}\n"
-       "\\newcommand{\\lyxdeleted}[3]{{\\color{lyxdeleted}\\sout{#3}}}\n");
+       "\\DeclareRobustCommand{\\lyxadded}[3]{{\\color{lyxadded}{}#3}}\n"
+       "\\DeclareRobustCommand{\\lyxdeleted}[3]{{\\color{lyxdeleted}\\sout{#3}}}\n");
 
 static docstring const changetracking_xcolor_ulem_hyperref_def = from_ascii(
        "%% Change tracking with ulem\n"
-       "\\newcommand{\\lyxadded}[3]{{\\texorpdfstring{\\color{lyxadded}{}}{}#3}}\n"
-       "\\newcommand{\\lyxdeleted}[3]{{\\texorpdfstring{\\color{lyxdeleted}\\sout{#3}}{}}}\n");
+       "\\DeclareRobustCommand{\\lyxadded}[3]{{\\texorpdfstring{\\color{lyxadded}{}}{}#3}}\n"
+       "\\DeclareRobustCommand{\\lyxdeleted}[3]{{\\texorpdfstring{\\color{lyxdeleted}\\sout{#3}}{}}}\n");
 
 static docstring const changetracking_none_def = from_ascii(
        "\\newcommand{\\lyxadded}[3]{#3}\n"
@@ -276,6 +259,61 @@ static docstring const lyxref_def = from_ascii(
                "  {\\def\\RSlemtxt{lemma~}\\newref{lem}{name = \\RSlemtxt}}\n" 
                "  {}\n");
 
+// Make sure the columns are also outputed as rtl
+static docstring const rtloutputdblcol_def = from_ascii(
+       "\\def\\@outputdblcol{%\n"
+       "  \\if@firstcolumn\n"
+       "    \\global \\@firstcolumnfalse\n"
+       "    \\global \\setbox\\@leftcolumn \\box\\@outputbox\n"
+       "  \\else\n"
+       "    \\global \\@firstcolumntrue\n"
+       "    \\setbox\\@outputbox \\vbox {%\n"
+       "      \\hb@xt@\\textwidth {%\n"
+       "      \\kern\\textwidth \\kern-\\columnwidth %**\n"
+       "      \\hb@xt@\\columnwidth {%\n"
+       "         \\box\\@leftcolumn \\hss}%\n"
+       "      \\kern-\\textwidth %**\n"
+       "      \\hfil\n"
+       "      {\\normalcolor\\vrule \\@width\\columnseprule}%\n"
+       "      \\hfil\n"
+       "      \\kern-\\textwidth  %**\n"
+       "      \\hb@xt@\\columnwidth {%\n"
+       "         \\box\\@outputbox \\hss}%\n"
+       "      \\kern-\\columnwidth \\kern\\textwidth %**\n"
+       "    }%\n"
+       "  }%\n"
+       "  \\@combinedblfloats\n"
+       "  \\@outputpage\n"
+       "  \\begingroup\n"
+       "  \\@dblfloatplacement\n"
+       "  \\@startdblcolumn\n"
+       "  \\@whilesw\\if@fcolmade \\fi\n"
+       "  {\\@outputpage\n"
+       "    \\@startdblcolumn}%\n"
+       "  \\endgroup\n"
+       "  \\fi\n"
+       "}\n"
+       "\\@mparswitchtrue\n");
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// LyXHTML strings
+//
+/////////////////////////////////////////////////////////////////////
+
+static docstring const lyxnoun_style = from_ascii(
+       "dfn.lyxnoun {\n"
+  "  font-variant: small-caps;\n"
+  "}\n");
+
+
+// this is how it normally renders, but it might not always do so.
+static docstring const lyxstrikeout_style = from_ascii(
+       "del.strikeout {\n"
+  "  text-decoration: line-through;\n"
+  "}\n");
+
 
 /////////////////////////////////////////////////////////////////////
 //
@@ -290,35 +328,70 @@ LaTeXFeatures::LaTeXFeatures(Buffer const & b, BufferParams const & p,
 {}
 
 
-bool LaTeXFeatures::useBabel() const
+LaTeXFeatures::LangPackage LaTeXFeatures::langPackage() const
 {
-       if (usePolyglossia())
-               return false;
-       if (bufferParams().lang_package == "default")
-               return (lyxrc.language_package_selection != LyXRC::LP_NONE)
-                       || (bufferParams().language->lang() != lyxrc.default_language
-                           && !bufferParams().language->babel().empty())
-                       || this->hasLanguages();
-       return (bufferParams().lang_package != "none")
-               || (bufferParams().language->lang() != lyxrc.default_language
-                   && !bufferParams().language->babel().empty())
-               || this->hasLanguages();
-}
+       string const local_lp = bufferParams().lang_package;
+
+       // Locally, custom is just stored as a string
+       // in bufferParams().lang_package.
+       if (local_lp != "auto"
+           && local_lp != "babel"
+           && local_lp != "default"
+           && local_lp != "none")
+                return LANG_PACK_CUSTOM;
+
+       if (local_lp == "none")
+               return LANG_PACK_NONE;
+
+       /* If "auto" is selected, we load polyglossia if required,
+        * else we select babel.
+        * If babel is selected (either directly or via the "auto"
+        * mechanism), we really do only require it if we have
+        * a language that needs it.
+        */
+       bool const polyglossia_required =
+               isRequired("polyglossia")
+               && isAvailable("polyglossia")
+               && !isProvided("babel")
+               && this->hasOnlyPolyglossiaLanguages();
+       bool const babel_required = 
+               !bufferParams().language->babel().empty()
+               || !this->getBabelLanguages().empty();
+
+       if (local_lp == "auto") {
+               // polyglossia requirement has priority over babel
+               if (polyglossia_required)
+                       return LANG_PACK_POLYGLOSSIA;
+               else if (babel_required)
+                       return LANG_PACK_BABEL;
+       }
 
+       if (local_lp == "babel") {
+               if (babel_required)
+                       return LANG_PACK_BABEL;
+       }
 
-bool LaTeXFeatures::usePolyglossia() const
-{
-       if (bufferParams().lang_package == "default")
-               return (lyxrc.language_package_selection == LyXRC::LP_AUTO)
-                       && isRequired("polyglossia")
-                       && isAvailable("polyglossia")
-                       && !params_.documentClass().provides("babel")
-                       && this->hasPolyglossiaLanguages();
-       return (bufferParams().lang_package == "auto")
-               && isRequired("polyglossia")
-               && isAvailable("polyglossia")
-               && !params_.documentClass().provides("babel")
-               && this->hasPolyglossiaLanguages();
+       if (local_lp == "default") {
+               switch (lyxrc.language_package_selection) {
+               case LyXRC::LP_AUTO:
+                       // polyglossia requirement has priority over babel
+                       if (polyglossia_required)
+                               return LANG_PACK_POLYGLOSSIA;
+                       else if (babel_required)
+                               return LANG_PACK_BABEL;
+                       break;
+               case LyXRC::LP_BABEL:
+                       if (babel_required)
+                               return LANG_PACK_BABEL;
+                       break;
+               case LyXRC::LP_CUSTOM:
+                       return LANG_PACK_CUSTOM;
+               case LyXRC::LP_NONE:
+                       return LANG_PACK_NONE;
+               }
+       }
+
+       return LANG_PACK_NONE;
 }
 
 
@@ -335,9 +408,14 @@ void LaTeXFeatures::require(set<string> const & names)
 
 
 void LaTeXFeatures::useLayout(docstring const & layoutname)
+{
+       useLayout(layoutname, 0);
+}
+
+
+void LaTeXFeatures::useLayout(docstring const & layoutname, int level)
 {
        // Some code to avoid loops in dependency definition
-       static int level = 0;
        const int maxlevel = 30;
        if (level > maxlevel) {
                lyxerr << "LaTeXFeatures::useLayout: maximum level of "
@@ -357,9 +435,7 @@ void LaTeXFeatures::useLayout(docstring const & layoutname)
                require(layout.requires());
 
                if (!layout.depends_on().empty()) {
-                       ++level;
-                       useLayout(layout.depends_on());
-                       --level;
+                       useLayout(layout.depends_on(), level + 1);
                }
                usedLayouts_.push_back(layoutname);
        } else {
@@ -367,8 +443,6 @@ void LaTeXFeatures::useLayout(docstring const & layoutname)
                       << to_utf8(layoutname) << "' does not exist in this class"
                       << endl;
        }
-
-       --level;
 }
 
 
@@ -396,9 +470,39 @@ bool LaTeXFeatures::isRequired(string const & name) const
 }
 
 
+bool LaTeXFeatures::isProvided(string const & name) const
+{
+       if (params_.useNonTeXFonts)
+               return params_.documentClass().provides(name);
+
+       bool const ot1 = (params_.font_encoding() == "default"
+               || params_.font_encoding() == "OT1");
+       bool const complete = (params_.fonts_sans == "default")
+               && (params_.fonts_typewriter == "default");
+       bool const nomath = (params_.fonts_math == "default");
+       return params_.documentClass().provides(name)
+               || theLaTeXFonts().getLaTeXFont(
+                       from_ascii(params_.fonts_roman)).provides(name, ot1,
+                                                                 complete,
+                                                                 nomath)
+               || theLaTeXFonts().getLaTeXFont(
+                       from_ascii(params_.fonts_sans)).provides(name, ot1,
+                                                                complete,
+                                                                nomath)
+               || theLaTeXFonts().getLaTeXFont(
+                       from_ascii(params_.fonts_typewriter)).provides(name, ot1,
+                                                                      complete,
+                                                                      nomath)
+               || theLaTeXFonts().getLaTeXFont(
+                       from_ascii(params_.fonts_math)).provides(name, ot1,
+                                                                      complete,
+                                                                      nomath);
+}
+
+
 bool LaTeXFeatures::mustProvide(string const & name) const
 {
-       return isRequired(name) && !params_.documentClass().provides(name);
+       return isRequired(name) && !isProvided(name);
 }
 
 
@@ -451,10 +555,10 @@ void LaTeXFeatures::useFloat(string const & name, bool subfloat)
 
 void LaTeXFeatures::useLanguage(Language const * lang)
 {
-       if (!lang->babel().empty())
+       if (!lang->babel().empty() || !lang->polyglossia().empty())
                UsedLanguages_.insert(lang);
-       if (lang->lang() == "vietnamese")
-               require("vietnamese");
+       if (!lang->requires().empty())
+               require(lang->requires());
        // CJK languages do not have a babel name.
        // They use the CJK package
        if (lang->encoding()->package() == Encoding::CJK)
@@ -477,8 +581,12 @@ bool LaTeXFeatures::hasLanguages() const
 }
 
 
-bool LaTeXFeatures::hasPolyglossiaLanguages() const
+bool LaTeXFeatures::hasOnlyPolyglossiaLanguages() const
 {
+       // first the main language
+       if (params_.language->polyglossia().empty())
+               return false;
+       // now the secondary languages
        LanguageList::const_iterator const begin = UsedLanguages_.begin();
        for (LanguageList::const_iterator cit = begin;
             cit != UsedLanguages_.end();
@@ -490,16 +598,38 @@ bool LaTeXFeatures::hasPolyglossiaLanguages() const
 }
 
 
-string LaTeXFeatures::getLanguages() const
+bool LaTeXFeatures::hasPolyglossiaExclusiveLanguages() const
+{
+       // first the main language
+       if (params_.language->isPolyglossiaExclusive())
+               return true;
+       // now the secondary languages
+       LanguageList::const_iterator const begin = UsedLanguages_.begin();
+       for (LanguageList::const_iterator cit = begin;
+            cit != UsedLanguages_.end();
+            ++cit) {
+               if ((*cit)->isPolyglossiaExclusive())
+                       return true;
+       }
+       return false;
+}
+
+
+string LaTeXFeatures::getBabelLanguages() const
 {
        ostringstream languages;
 
+       bool first = true;
        LanguageList::const_iterator const begin = UsedLanguages_.begin();
        for (LanguageList::const_iterator cit = begin;
             cit != UsedLanguages_.end();
             ++cit) {
-               if (cit != begin)
+               if ((*cit)->babel().empty())
+                       continue;
+               if (!first)
                        languages << ',';
+               else
+                       first = false;
                languages << (*cit)->babel();
        }
        return languages.str();
@@ -562,8 +692,6 @@ char const * simplefeatures[] = {
        "fancybox",
        "calc",
        "units",
-       "tipa",
-       "tipx",
        "framed",
        "soul",
        "textcomp",
@@ -577,7 +705,7 @@ char const * simplefeatures[] = {
        "mathrsfs",
        "mathabx",
        "mathtools",
-       "cancel",
+       // "cancel",
        "ascii",
        "url",
        "covington",
@@ -591,10 +719,37 @@ char const * simplefeatures[] = {
        "pdfpages",
        "amscd",
        "slashed",
+       "multicol",
        "multirow",
-       "tfrupee"
+       "tfrupee",
+       "shapepar",
+       "rsphrase",
+       "algorithm2e",
+       "sectionbox",
+       "tcolorbox",
+       "pdfcomment",
+       "fixme",
+       "todonotes"
 };
 
+char const * bibliofeatures[] = {
+       // Known bibliography packages (will be loaded before natbib)
+       "achicago",
+       "apacite",
+       "apalike",
+       "astron",
+       "authordate1-4",
+       "babelbib",
+       "bibgerm",
+       "chicago",
+       "chscite",
+       "harvard",
+       "mslapa",
+       "named"
+};
+
+int const nb_bibliofeatures = sizeof(bibliofeatures) / sizeof(char const *);
+
 int const nb_simplefeatures = sizeof(simplefeatures) / sizeof(char const *);
 
 }
@@ -660,10 +815,25 @@ string const LaTeXFeatures::getColorOptions() const
 }
 
 
+string const LaTeXFeatures::getPackageOptions() const
+{
+       ostringstream packageopts;
+       // Output all the package option stuff we have been asked to do.
+       map<string, string>::const_iterator it =
+               params_.documentClass().packageOptions().begin();
+       map<string, string>::const_iterator en =
+               params_.documentClass().packageOptions().end();
+       for (; it != en; ++it)
+               if (mustProvide(it->first))
+                       packageopts << "\\PassOptionsToPackage{" << it->second << "}"
+                                << "{" << it->first << "}\n";
+       return packageopts.str();
+}
+
+
 string const LaTeXFeatures::getPackages() const
 {
        ostringstream packages;
-       DocumentClass const & tclass = params_.documentClass();
 
        // FIXME: currently, we can only load packages and macros known
        // to LyX.
@@ -671,25 +841,35 @@ string const LaTeXFeatures::getPackages() const
        // also unknown packages can be requested. They are silently
        // swallowed now. We should change this eventually.
 
-       //
        //  These are all the 'simple' includes.  i.e
        //  packages which we just \usepackage{package}
-       //
        for (int i = 0; i < nb_simplefeatures; ++i) {
                if (mustProvide(simplefeatures[i]))
-                       packages << "\\usepackage{"
-                                << simplefeatures[i] << "}\n";
+                       packages << "\\usepackage{" << simplefeatures[i] << "}\n";
        }
 
-       //
        // The rest of these packages are somewhat more complicated
        // than those above.
-       //
 
-       // if fontspec is used, AMS packages have to be loaded before
-       // fontspec (in BufferParams)
+       // The tipa package and its extensions (tipx, tone) must not
+       // be loaded with non-TeX fonts, since fontspec includes the
+       // respective macros
+       if (mustProvide("tipa") && !params_.useNonTeXFonts)
+               packages << "\\usepackage{tipa}\n";
+       if (mustProvide("tipx") && !params_.useNonTeXFonts)
+               packages << "\\usepackage{tipx}\n";
+       if (mustProvide("tone") && !params_.useNonTeXFonts)
+               packages << "\\usepackage{tone}\n";
+
+       // if fontspec or newtxmath is used, AMS packages have to be loaded
+       // before fontspec (in BufferParams)
        string const amsPackages = loadAMSPackages();
-       if (!params_.useNonTeXFonts && !amsPackages.empty())
+       bool const ot1 = (params_.font_encoding() == "default" || params_.font_encoding() == "OT1");
+       bool const use_newtxmath =
+               theLaTeXFonts().getLaTeXFont(from_ascii(params_.fonts_math)).getUsedPackage(
+                       ot1, false, false) == "newtxmath";
+       
+       if (!params_.useNonTeXFonts && !use_newtxmath && !amsPackages.empty())
                packages << amsPackages;
 
        // fixltx2e must be loaded after amsthm, since amsthm produces an error with
@@ -698,19 +878,10 @@ string const LaTeXFeatures::getPackages() const
        if (mustProvide("fixltx2e"))
                packages << "\\usepackage{fixltx2e}\n";
 
-       // wasysym is a simple feature, but it must be after amsmath if both
-       // are used
-       // wasysym redefines some integrals (e.g. iint) from amsmath. That
-       // leads to inconsistent integrals. We only load this package if
-       // the document does not contain integrals (then isRequired("esint")
-       // is false) or if esint is used, since esint redefines all relevant
-       // integral symbols from wasysym and amsmath.
-       // See http://www.lyx.org/trac/ticket/1942
-       if (mustProvide("wasysym") &&
-           params_.use_package("wasysym") != BufferParams::package_off &&
-           (params_.use_package("esint") != BufferParams::package_off || !isRequired("esint")))
-               packages << "\\usepackage{wasysym}\n";
-
+       if (mustProvide("cancel") &&
+           params_.use_package("cancel") != BufferParams::package_off)
+               packages << "\\usepackage{cancel}\n";
+       
        // accents must be loaded after amsmath
        if (mustProvide("accents") &&
            params_.use_package("accents") != BufferParams::package_off)
@@ -726,6 +897,15 @@ string const LaTeXFeatures::getPackages() const
            params_.use_package("yhmath") != BufferParams::package_off)
                packages << "\\usepackage{yhmath}\n";
 
+       // stmaryrd must be loaded after amsmath
+       if (mustProvide("stmaryrd") &&
+           params_.use_package("stmaryrd") != BufferParams::package_off)
+               packages << "\\usepackage{stmaryrd}\n";
+
+       if (mustProvide("stackrel") &&
+           params_.use_package("stackrel") != BufferParams::package_off)
+               packages << "\\usepackage{stackrel}\n";
+
        if (mustProvide("undertilde") &&
                params_.use_package("undertilde") != BufferParams::package_off)
                packages << "\\usepackage{undertilde}\n";
@@ -734,9 +914,9 @@ string const LaTeXFeatures::getPackages() const
 
        // makeidx.sty
        if (isRequired("makeidx") || isRequired("splitidx")) {
-               if (!tclass.provides("makeidx") && !isRequired("splitidx"))
+               if (!isProvided("makeidx") && !isRequired("splitidx"))
                        packages << "\\usepackage{makeidx}\n";
-               if (!tclass.provides("splitidx") && isRequired("splitidx"))
+               if (mustProvide("splitidx"))
                        packages << "\\usepackage{splitidx}\n";
                packages << "\\makeindex\n";
        }
@@ -756,20 +936,52 @@ string const LaTeXFeatures::getPackages() const
                packages << "\\usepackage[ps,mover]{lyxskak}\n";
 
        // setspace.sty
-       if (mustProvide("setspace") && !tclass.provides("SetSpace"))
+       if (mustProvide("setspace") && !isProvided("SetSpace"))
                packages << "\\usepackage{setspace}\n";
 
-       // esint must be after amsmath and wasysym, since it will redeclare
-       // inconsistent integral symbols
+       // we need to assure that mhchem is loaded before esint and every other
+       // package that redefines command of amsmath because mhchem loads amlatex
+       // (this info is from the author of mhchem from June 2013)
+       if (mustProvide("mhchem") &&
+           params_.use_package("mhchem") != BufferParams::package_off)
+               packages << "\\PassOptionsToPackage{version=3}{mhchem}\n"
+                           "\\usepackage{mhchem}\n";
+
+       // wasysym is a simple feature, but it must be after amsmath if both
+       // are used
+       // wasysym redefines some integrals (e.g. iint) from amsmath. That
+       // leads to inconsistent integrals. We only load this package if
+       // the document does not contain integrals (then isRequired("esint")
+       // is false) or if esint is used, since esint redefines all relevant
+       // integral symbols from wasysym and amsmath.
+       // See http://www.lyx.org/trac/ticket/1942
+       if (mustProvide("wasysym") &&
+           params_.use_package("wasysym") != BufferParams::package_off &&
+           (params_.use_package("esint") != BufferParams::package_off || !isRequired("esint")))
+               packages << "\\usepackage{wasysym}\n";
+
+       // esint must be after amsmath (and packages requiring amsmath, like mhchem)
+       // and wasysym, since it will redeclare inconsistent integral symbols
        if (mustProvide("esint") &&
            params_.use_package("esint") != BufferParams::package_off)
                packages << "\\usepackage{esint}\n";
 
+       // Known bibliography packages (simple \usepackage{package})
+       for (int i = 0; i < nb_bibliofeatures; ++i) {
+               if (mustProvide(bibliofeatures[i]))
+                       packages << "\\usepackage{"
+                                << bibliofeatures[i] << "}\n";
+       }
+
+       // Compatibility between achicago and natbib
+       if (mustProvide("achicago") && mustProvide("natbib"))
+               packages << "\\let\\achicagobib\\thebibliography\n";
+
        // natbib.sty
        // Some classes load natbib themselves, but still allow (or even require)
        // plain numeric citations (ReVTeX is such a case, see bug 5182).
        // This special case is indicated by the "natbib-internal" key.
-       if (mustProvide("natbib") && !tclass.provides("natbib-internal")) {
+       if (mustProvide("natbib") && !isProvided("natbib-internal")) {
                packages << "\\usepackage[";
                if (params_.citeEngineType() == ENGINE_TYPE_NUMERICAL)
                        packages << "numbers";
@@ -778,19 +990,29 @@ string const LaTeXFeatures::getPackages() const
                packages << "]{natbib}\n";
        }
 
+       // Compatibility between achicago and natbib
+       if (mustProvide("achicago") && mustProvide("natbib")) {
+               packages << "\\let\\thebibliography\\achicagobib\n";
+               packages << "\\let\\SCcite\\astroncite\n";
+               packages << "\\let\\UnexpandableProtect\\protect\n";
+       }
+
        // jurabib -- we need version 0.6 at least.
        if (mustProvide("jurabib"))
                packages << "\\usepackage{jurabib}[2004/01/25]\n";
 
+       // opcit -- we pass custombst as we output \bibliographystyle ourselves
+       if (mustProvide("opcit")) {
+               if (isRequired("hyperref"))
+                       packages << "\\usepackage[custombst,hyperref]{opcit}\n";
+               else
+                       packages << "\\usepackage[custombst]{opcit}\n";
+       }
+
        // xargs -- we need version 1.09 at least
        if (mustProvide("xargs"))
                packages << "\\usepackage{xargs}[2008/03/08]\n";
 
-       // bibtopic -- the dot provides the aux file naming which
-       // LyX can detect.
-       if (mustProvide("bibtopic"))
-               packages << "\\usepackage[dot]{bibtopic}\n";
-
        if (mustProvide("xy"))
                packages << "\\usepackage[all]{xy}\n";
 
@@ -801,11 +1023,6 @@ string const LaTeXFeatures::getPackages() const
                packages << "\\PassOptionsToPackage{normalem}{ulem}\n"
                            "\\usepackage{ulem}\n";
 
-       if (mustProvide("mhchem") &&
-           params_.use_package("mhchem") != BufferParams::package_off)
-               packages << "\\PassOptionsToPackage{version=3}{mhchem}\n"
-                           "\\usepackage{mhchem}\n";
-
        if (mustProvide("nomencl")) {
                // Make it work with the new and old version of the package,
                // but don't use the compatibility option since it is
@@ -821,6 +1038,12 @@ string const LaTeXFeatures::getPackages() const
        if (mustProvide("subscript") && !isRequired("fixltx2e"))
                packages << "\\usepackage{subscript}\n";
 
+       // footmisc must be loaded after setspace
+       // Set options here, load the package after the user preamble to
+       // avoid problems with manual loaded footmisc.
+       if (mustProvide("footmisc"))
+               packages << "\\PassOptionsToPackage{stable}{footmisc}\n";
+
        return packages.str();
 }
 
@@ -949,8 +1172,6 @@ docstring const LaTeXFeatures::getMacros() const
        // other
        if (mustProvide("ParagraphLeftIndent"))
                macros << paragraphleftindent_def;
-       if (mustProvide("NeedLyXFootnoteCode"))
-               macros << floatingfootnote_def;
 
        // some problems with tex->html converters
        if (mustProvide("NeedTabularnewline"))
@@ -997,6 +1218,9 @@ docstring const LaTeXFeatures::getMacros() const
        if (mustProvide("ct-none"))
                macros << changetracking_none_def;
 
+       if (mustProvide("rtloutputdblcol"))
+               macros << rtloutputdblcol_def;
+
        return macros.str();
 }
 
@@ -1013,7 +1237,10 @@ string const LaTeXFeatures::getBabelPresettings() const
        if (!params_.language->babel_presettings().empty())
                tmp << params_.language->babel_presettings() << '\n';
 
-       return tmp.str();
+       if (!contains(tmp.str(), '@'))
+               return tmp.str();
+
+       return "\\makeatletter\n" + tmp.str() + "\\makeatother\n";
 }
 
 
@@ -1029,7 +1256,10 @@ string const LaTeXFeatures::getBabelPostsettings() const
        if (!params_.language->babel_postsettings().empty())
                tmp << params_.language->babel_postsettings() << '\n';
 
-       return tmp.str();
+       if (!contains(tmp.str(), '@'))
+               return tmp.str();
+
+       return "\\makeatletter\n" + tmp.str() + "\\makeatother\n";
 }
 
 
@@ -1066,7 +1296,7 @@ string const LaTeXFeatures::loadAMSPackages() const
        }
 
        if (mustProvide("amssymb")
-           || params_.use_package("amsmath") == BufferParams::package_on)
+           && params_.use_package("amssymb") != BufferParams::package_off)
                tmp << "\\usepackage{amssymb}\n";
 
        return tmp.str();
@@ -1131,6 +1361,13 @@ docstring const LaTeXFeatures::getTClassHTMLStyles() const
        DocumentClass const & tclass = params_.documentClass();
        odocstringstream tcpreamble;
 
+       if (mustProvide("noun"))
+               tcpreamble << lyxnoun_style;
+       // this isn't exact, but it won't hurt that much if it
+       // wasn't for this.
+       if (mustProvide("ulem"))
+               tcpreamble << lyxstrikeout_style;
+
        tcpreamble << tclass.htmlstyles();
 
        list<docstring>::const_iterator cit = usedLayouts_.begin();
@@ -1153,6 +1390,7 @@ docstring const LaTeXFeatures::getTClassHTMLStyles() const
 
 
 namespace {
+
 docstring const getFloatI18nPreamble(docstring const & type,
                        docstring const & name, Language const * lang,
                        Encoding const & enc, bool const polyglossia)
@@ -1457,7 +1695,8 @@ void LaTeXFeatures::getFloatDefinitions(odocstream & os) const
                        // effect. (Lgb)
                }
                if (cit->second)
-                       os << "\n\\newsubfloat{" << from_ascii(fl.floattype()) << "}\n";
+                       // The subfig package is loaded later
+                       os << "\n\\AtBeginDocument{\\newsubfloat{" << from_ascii(fl.floattype()) << "}}\n";
        }
 }