]> git.lyx.org Git - lyx.git/blobdiff - src/LaTeXFeatures.cpp
Account for old versions of Pygments
[lyx.git] / src / LaTeXFeatures.cpp
index cf67cab22dd69c7e9a19dcf06b25bc555003bf2d..54cf237eb5a822441d2142240b81a8fd514a5964 100644 (file)
@@ -30,6 +30,8 @@
 #include "Lexer.h"
 #include "LyXRC.h"
 #include "TextClass.h"
+#include "TexRow.h"
+#include "texstream.h"
 
 #include "insets/InsetLayout.h"
 
@@ -66,7 +68,7 @@ static docstring const lyx_def = from_ascii(
 static docstring const lyx_hyperref_def = from_ascii(
        "\\providecommand{\\LyX}{\\texorpdfstring%\n"
        "  {L\\kern-.1667em\\lower.25em\\hbox{Y}\\kern-.125emX\\@}\n"
-        "  {LyX}}");
+       "  {LyX}}");
 
 static docstring const noun_def = from_ascii(
        "\\newcommand{\\noun}[1]{\\textsc{#1}}");
@@ -77,6 +79,15 @@ static docstring const lyxarrow_def = from_ascii(
        "{\\leavevmode\\,$\\triangleleft$\\,\\allowbreak}\n"
        "{\\leavevmode\\,$\\triangleright$\\,\\allowbreak}}");
 
+// ZERO WIDTH SPACE (ZWSP) is actually not a space character
+// but marks a line break opportunity. Several commands provide a
+// line break opportunity. They differ in side-effects:
+// \allowbreak prevents hyphenation after hyphen or dash + ZWSP
+// \linebreak[<n>] takes an optional argument denoting "urgency".
+// The \LyXZeroWidthSpace wrapper allows customization in the preamble.
+static docstring const lyxZWSP_def = from_ascii(
+       "\\newcommand*\\LyXZeroWidthSpace{\\hspace{0pt}}");
+
 // for quotes without babel. This does not give perfect results, but
 // anybody serious about non-english quotes should use babel (JMarc).
 
@@ -116,6 +127,25 @@ static docstring const guilsinglright_def = from_ascii(
        "  {\\usefont{U}{lasy}{m}{n}\\char'51}%\n"
        "}");
 
+static docstring const textquotedbl_def = from_ascii(
+       "\\DeclareTextSymbolDefault{\\textquotedbl}{T1}");
+
+static docstring const textquotedblp_xetex_def = from_ascii(
+       "\\providecommand\\textquotedblplain{%\n"
+       "  \\bgroup\\addfontfeatures{Mapping=}\\char34\\egroup}");
+
+static docstring const textquotedblp_luatex_def = from_ascii(
+       "\\providecommand\\textquotedblplain{%\n"
+       "  \\bgroup\\addfontfeatures{RawFeature=-tlig}\\char34\\egroup}");
+
+static docstring const textquotesinglep_xetex_def = from_ascii(
+       "\\providecommand\\textquotesingleplain{%\n"
+       "  \\bgroup\\addfontfeatures{Mapping=}\\char39\\egroup}");
+
+static docstring const textquotesinglep_luatex_def = from_ascii(
+       "\\providecommand\\textquotesingleplain{%\n"
+       "  \\bgroup\\addfontfeatures{RawFeature=-tlig}\\char39\\egroup}");
+
 static docstring const paragraphleftindent_def = from_ascii(
        "\\newenvironment{LyXParagraphLeftIndent}[1]%\n"
        "{\n"
@@ -134,6 +164,24 @@ 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");
@@ -173,29 +221,45 @@ static docstring const changetracking_dvipost_def = from_ascii(
 static docstring const changetracking_xcolor_ulem_def = from_ascii(
        "%% Change tracking with ulem\n"
        "\\DeclareRobustCommand{\\lyxadded}[3]{{\\color{lyxadded}{}#3}}\n"
-       "\\DeclareRobustCommand{\\lyxdeleted}[3]{{\\color{lyxdeleted}\\sout{#3}}}\n");
+       "\\DeclareRobustCommand{\\lyxdeleted}[3]{{\\color{lyxdeleted}\\lyxsout{#3}}}\n"
+       "\\DeclareRobustCommand{\\lyxsout}[1]{\\ifx\\\\#1\\else\\sout{#1}\\fi}\n");
 
 static docstring const changetracking_xcolor_ulem_hyperref_def = from_ascii(
        "%% Change tracking with ulem\n"
        "\\DeclareRobustCommand{\\lyxadded}[3]{{\\texorpdfstring{\\color{lyxadded}{}}{}#3}}\n"
-       "\\DeclareRobustCommand{\\lyxdeleted}[3]{{\\texorpdfstring{\\color{lyxdeleted}\\sout{#3}}{}}}\n");
+       "\\DeclareRobustCommand{\\lyxdeleted}[3]{{\\texorpdfstring{\\color{lyxdeleted}\\lyxsout{#3}}{}}}\n"
+       "\\DeclareRobustCommand{\\lyxsout}[1]{\\ifx\\\\#1\\else\\sout{#1}\\fi}\n");
+
+static docstring const changetracking_tikz_math_sout_def = from_ascii(
+       "%% Strike out display math with tikz\n"
+       "\\usepackage{tikz}\n"
+       "\\usetikzlibrary{calc}\n"
+       "\\newcommand{\\lyxmathsout}[1]{%\n"
+       "  \\tikz[baseline=(math.base)]{\n"
+       "    \\node[inner sep=0pt,outer sep=0pt](math){#1};\n"
+       "    \\draw($(math.south west)+(2em,.5em)$)--($(math.north east)-(2em,.5em)$);\n"
+       "  }\n"
+       "}\n");
 
 static docstring const changetracking_none_def = from_ascii(
        "\\newcommand{\\lyxadded}[3]{#3}\n"
        "\\newcommand{\\lyxdeleted}[3]{}\n");
 
+static docstring const textgreek_LGR_def = from_ascii(
+       "\\DeclareFontEncoding{LGR}{}{}\n");
 static docstring const textgreek_def = from_ascii(
        "\\DeclareRobustCommand{\\greektext}{%\n"
        "  \\fontencoding{LGR}\\selectfont\\def\\encodingdefault{LGR}}\n"
        "\\DeclareRobustCommand{\\textgreek}[1]{\\leavevmode{\\greektext #1}}\n"
-       "\\DeclareFontEncoding{LGR}{}{}\n"
-       "\\DeclareTextSymbol{\\~}{LGR}{126}");
+        "\\ProvideTextCommand{\\~}{LGR}[1]{\\char126#1}\n");
 
+static docstring const textcyr_T2A_def = from_ascii(
+       "\\InputIfFileExists{t2aenc.def}{}{%\n"
+        "  \\errmessage{File `t2aenc.def' not found: Cyrillic script not supported}}\n");
 static docstring const textcyr_def = from_ascii(
        "\\DeclareRobustCommand{\\cyrtext}{%\n"
        "  \\fontencoding{T2A}\\selectfont\\def\\encodingdefault{T2A}}\n"
-       "\\DeclareRobustCommand{\\textcyr}[1]{\\leavevmode{\\cyrtext #1}}\n"
-       "\\AtBeginDocument{\\DeclareFontEncoding{T2A}{}{}}\n");
+       "\\DeclareRobustCommand{\\textcyr}[1]{\\leavevmode{\\cyrtext #1}}\n");
 
 static docstring const lyxmathsym_def = from_ascii(
        "\\newcommand{\\lyxmathsym}[1]{\\ifmmode\\begingroup\\def\\b@ld{bold}\n"
@@ -208,6 +272,13 @@ static docstring const papersizepdf_def = from_ascii(
        "\\pdfpageheight\\paperheight\n"
        "\\pdfpagewidth\\paperwidth\n");
 
+static docstring const papersizepdflua_def = from_ascii(
+       "% Backwards compatibility for LuaTeX < 0.90\n"
+       "\\@ifundefined{pageheight}{\\let\\pageheight\\pdfpageheight}{}\n"
+       "\\@ifundefined{pagewidth}{\\let\\pagewidth\\pdfpagewidth}{}\n"
+       "\\pageheight\\paperheight\n"
+       "\\pagewidth\\paperwidth\n");
+
 static docstring const cedilla_def = from_ascii(
        "\\newcommand{\\docedilla}[2]{\\underaccent{#1\\mathchar'30}{#2}}\n"
        "\\newcommand{\\cedilla}[1]{\\mathpalette\\docedilla{#1}}\n");
@@ -248,15 +319,68 @@ static docstring const ogonek_def = from_ascii(
        "  \\mathchar\"0\\hexnumber@\\symtipasymb0C}{#2}}\n"
        "\\newcommand{\\ogonek}[1]{\\mathpalette\\doogonek{#1}}\n");
 
+static docstring const lyxaccent_def = from_ascii(
+       "%% custom text accent \\LyxTextAccent[<rise value (length)>]{<accent>}{<base>}\n"
+        "\\newcommand*{\\LyxTextAccent}[3][0ex]{%\n"
+        "  \\hmode@bgroup\\ooalign{\\null#3\\crcr\\hidewidth\n"
+        "  \\raise#1\\hbox{#2}\\hidewidth}\\egroup}\n"
+        "%% select a font size smaller than the current font size:\n"
+        "\\newcommand{\\LyxAccentSize}[1][\\sf@size]{%\n"
+        "  \\check@mathfonts\\fontsize#1\\z@\\math@fontsfalse\\selectfont\n"
+        "}\n");
+
+static docstring const textcommabelow_def = from_ascii(
+        "\\ProvideTextCommandDefault{\\textcommabelow}[1]{%%\n"
+        "  \\LyxTextAccent[-.31ex]{\\LyxAccentSize,}{#1}}\n");
+
+static docstring const textcommaabove_def = from_ascii(
+        "\\ProvideTextCommandDefault{\\textcommaabove}[1]{%%\n"
+        "  \\LyxTextAccent[.5ex]{\\LyxAccentSize`}{#1}}\n");
+
+static docstring const textcommaaboveright_def = from_ascii(
+        "\\ProvideTextCommandDefault{\\textcommaaboveright}[1]{%%\n"
+        "  \\LyxTextAccent[.5ex]{\\LyxAccentSize\\ '}{#1}}\n");
+
+// Baltic languages use a comma-accent instead of a cedilla
+static docstring const textbaltic_def = from_ascii(
+        "%% use comma accent instead of cedilla for these characters:\n"
+        "\\DeclareTextCompositeCommand{\\c}{T1}{g}{\\textcommaabove{g}}\n"
+        "\\DeclareTextCompositeCommand{\\c}{T1}{G}{\\textcommabelow{G}}\n"
+        "\\DeclareTextCompositeCommand{\\c}{T1}{k}{\\textcommabelow{k}}\n"
+        "\\DeclareTextCompositeCommand{\\c}{T1}{K}{\\textcommabelow{K}}\n"
+        "\\DeclareTextCompositeCommand{\\c}{T1}{l}{\\textcommabelow{l}}\n"
+        "\\DeclareTextCompositeCommand{\\c}{T1}{L}{\\textcommabelow{L}}\n"
+        "\\DeclareTextCompositeCommand{\\c}{T1}{n}{\\textcommabelow{n}}\n"
+        "\\DeclareTextCompositeCommand{\\c}{T1}{N}{\\textcommabelow{N}}\n"
+        "\\DeclareTextCompositeCommand{\\c}{T1}{r}{\\textcommabelow{r}}\n"
+        "\\DeclareTextCompositeCommand{\\c}{T1}{R}{\\textcommabelow{R}}\n");
+
+// split-level fractions
+static docstring const xfrac_def = from_ascii(
+          "\\usepackage{xfrac}\n");
+static docstring const smallLetterFrac_def = from_ascii(
+        "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{default}{text}\n"
+               "  {phantom=c, scale-factor=1.0, slash-left-kern=-.05em}\n"
+               "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{lmr}{text}\n"
+               "  {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
+               "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{lmss}{text}\n"
+               "  {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
+               "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{cmr}{text}\n"
+               "  {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
+               "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{cmss}{text}\n"
+               "  {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
+               "\\newcommand{\\smallLetterFrac}[2]{%\n"
+               "  {\\UseCollection{xfrac}{smallLetterFrac}\\sfrac{#1}{#2}}}\n");
+
 static docstring const lyxref_def = from_ascii(
-               "\\RS@ifundefined{subref}\n"
-               "  {\\def\\RSsubtxt{section~}\\newref{sub}{name = \\RSsubtxt}}\n"
+               "\\RS@ifundefined{subsecref}\n"
+               "  {\\newref{subsec}{name = \\RSsectxt}}\n"
                "  {}\n"
                "\\RS@ifundefined{thmref}\n"
                "  {\\def\\RSthmtxt{theorem~}\\newref{thm}{name = \\RSthmtxt}}\n"
                "  {}\n"
                "\\RS@ifundefined{lemref}\n"
-               "  {\\def\\RSlemtxt{lemma~}\\newref{lem}{name = \\RSlemtxt}}\n" 
+               "  {\\def\\RSlemtxt{lemma~}\\newref{lem}{name = \\RSlemtxt}}\n"
                "  {}\n");
 
 // Make sure the columns are also outputed as rtl
@@ -295,6 +419,19 @@ static docstring const rtloutputdblcol_def = from_ascii(
        "}\n"
        "\\@mparswitchtrue\n");
 
+static docstring const lyxmintcaption_def = from_ascii(
+       "\\long\\def\\lyxmintcaption[#1]#2{%\n"
+       "  \\ifx#1t\\vskip\\baselineskip\\fi%\n"
+       "  \\refstepcounter{listing}\\noindent%\n"
+       "  \\addcontentsline{lol}{listing}%\n"
+       "  {\\protect\\numberline{\\thelisting}{\\ignorespaces #2}}%\n"
+       "  \\setbox\\@tempboxa\\hbox{\\listingscaption~\\thelisting: #2}%\n"
+       "  \\ifdim \\wd\\@tempboxa >\\linewidth%\n"
+       "  \\parbox[t]{\\linewidth}{\\unhbox\\@tempboxa}\\else%\n"
+       "  \\hbox to\\linewidth{\\hfil\\box\\@tempboxa\\hfil}\\fi%\n"
+       "  \\ifx#1b\\vskip\\baselineskip\\fi\n"
+       "}\n");
+
 
 /////////////////////////////////////////////////////////////////////
 //
@@ -304,15 +441,15 @@ static docstring const rtloutputdblcol_def = from_ascii(
 
 static docstring const lyxnoun_style = from_ascii(
        "dfn.lyxnoun {\n"
-  "  font-variant: small-caps;\n"
-  "}\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");
+       "  text-decoration: line-through;\n"
+       "}\n");
 
 
 /////////////////////////////////////////////////////////////////////
@@ -324,7 +461,8 @@ static docstring const lyxstrikeout_style = from_ascii(
 
 LaTeXFeatures::LaTeXFeatures(Buffer const & b, BufferParams const & p,
                             OutputParams const & r)
-       : buffer_(&b), params_(p), runparams_(r), in_float_(false)
+       : buffer_(&b), params_(p), runparams_(r), in_float_(false),
+         in_deleted_inset_(false)
 {}
 
 
@@ -343,18 +481,18 @@ LaTeXFeatures::LangPackage LaTeXFeatures::langPackage() const
        if (local_lp == "none")
                return LANG_PACK_NONE;
 
-       /* If "auto" is selected, we load polyglossia if required,
+       /* If "auto" is selected, we load polyglossia with non-TeX fonts,
         * 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")
+               params_.useNonTeXFonts
                && isAvailable("polyglossia")
                && !isProvided("babel")
                && this->hasOnlyPolyglossiaLanguages();
-       bool const babel_required = 
+       bool const babel_required =
                !bufferParams().language->babel().empty()
                || !this->getBabelLanguages().empty();
 
@@ -475,28 +613,31 @@ 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");
+       bool const ot1 = (params_.main_font_encoding() == "default"
+               || params_.main_font_encoding() == "OT1");
+       bool const complete = (params_.fontsSans() == "default"
+               && params_.fontsTypewriter() == "default");
+       bool const nomath = (params_.fontsMath() == "default");
        return params_.documentClass().provides(name)
                || theLaTeXFonts().getLaTeXFont(
-                       from_ascii(params_.fonts_roman)).provides(name, ot1,
+                       from_ascii(params_.fontsRoman())).provides(name, ot1,
                                                                  complete,
                                                                  nomath)
                || theLaTeXFonts().getLaTeXFont(
-                       from_ascii(params_.fonts_sans)).provides(name, ot1,
+                       from_ascii(params_.fontsSans())).provides(name, ot1,
                                                                 complete,
                                                                 nomath)
                || theLaTeXFonts().getLaTeXFont(
-                       from_ascii(params_.fonts_typewriter)).provides(name, ot1,
+                       from_ascii(params_.fontsTypewriter())).provides(name, ot1,
                                                                       complete,
                                                                       nomath)
                || theLaTeXFonts().getLaTeXFont(
-                       from_ascii(params_.fonts_math)).provides(name, ot1,
+                       from_ascii(params_.fontsMath())).provides(name, ot1,
                                                                       complete,
                                                                       nomath);
+       // TODO: "textbaltic" provided, if the font-encoding is "L7x"
+       //       "textgreek" provided, if a language with font-encoding LGR is used in the document
+       //       "textcyr" provided, if a language with font-encoding T2A is used in the document
 }
 
 
@@ -519,24 +660,62 @@ bool LaTeXFeatures::isAvailable(string const & name)
 }
 
 
-void LaTeXFeatures::addPreambleSnippet(string const & preamble)
+namespace {
+
+void addSnippet(std::list<TexString> & list, TexString ts, bool allow_dupes)
+{
+       if (allow_dupes ||
+           // test the absense of duplicates, i.e. elements with same str
+           none_of(list.begin(), list.end(), [&](TexString const & ts2){
+                           return ts.str == ts2.str;
+                   })
+           )
+               list.push_back(move(ts));
+}
+
+
+TexString getSnippets(std::list<TexString> const & list)
+{
+       otexstringstream snip;
+       for (TexString const & ts : list)
+               snip << TexString(ts) << '\n';
+       return snip.release();
+}
+
+} //anon namespace
+
+
+void LaTeXFeatures::addPreambleSnippet(TexString ts, bool allow_dupes)
+{
+       addSnippet(preamble_snippets_, move(ts), allow_dupes);
+}
+
+
+void LaTeXFeatures::addPreambleSnippet(docstring const & str, bool allow_dupes)
 {
-       SnippetList::const_iterator begin = preamble_snippets_.begin();
-       SnippetList::const_iterator end   = preamble_snippets_.end();
-       if (find(begin, end, preamble) == end)
-               preamble_snippets_.push_back(preamble);
+       addSnippet(preamble_snippets_, TexString(str), allow_dupes);
 }
 
 
 void LaTeXFeatures::addCSSSnippet(std::string const & snippet)
 {
-       SnippetList::const_iterator begin = css_snippets_.begin();
-       SnippetList::const_iterator end   = css_snippets_.end();
-       if (find(begin, end, snippet) == end)
-               css_snippets_.push_back(snippet);
+       addSnippet(css_snippets_, TexString(from_ascii(snippet)), false);
 }
 
 
+TexString LaTeXFeatures::getPreambleSnippets() const
+{
+       return getSnippets(preamble_snippets_);
+}
+
+
+docstring LaTeXFeatures::getCSSSnippets() const
+{
+       return getSnippets(css_snippets_).str;
+}
+
+
+
 void LaTeXFeatures::useFloat(string const & name, bool subfloat)
 {
        if (!usedFloats_[name])
@@ -615,6 +794,42 @@ bool LaTeXFeatures::hasPolyglossiaExclusiveLanguages() const
 }
 
 
+vector<string> LaTeXFeatures::getPolyglossiaExclusiveLanguages() const
+{
+       vector<string> result;
+       // first the main language
+       if (params_.language->isPolyglossiaExclusive())
+               result.push_back(params_.language->display());
+       // now the secondary languages
+       LanguageList::const_iterator const begin = UsedLanguages_.begin();
+       for (LanguageList::const_iterator cit = begin;
+            cit != UsedLanguages_.end();
+            ++cit) {
+               if ((*cit)->isPolyglossiaExclusive())
+                       result.push_back((*cit)->display());
+       }
+       return result;
+}
+
+
+vector<string> LaTeXFeatures::getBabelExclusiveLanguages() const
+{
+       vector<string> result;
+       // first the main language
+       if (params_.language->isBabelExclusive())
+               result.push_back(params_.language->display());
+       // now the secondary languages
+       LanguageList::const_iterator const begin = UsedLanguages_.begin();
+       for (LanguageList::const_iterator cit = begin;
+            cit != UsedLanguages_.end();
+            ++cit) {
+               if ((*cit)->isBabelExclusive())
+                       result.push_back((*cit)->display());
+       }
+       return result;
+}
+
+
 string LaTeXFeatures::getBabelLanguages() const
 {
        ostringstream languages;
@@ -636,15 +851,16 @@ string LaTeXFeatures::getBabelLanguages() const
 }
 
 
-std::map<std::string, std::string> LaTeXFeatures::getPolyglossiaLanguages() const
+set<string> LaTeXFeatures::getPolyglossiaLanguages() const
 {
-       std::map<std::string, std::string> languages;
+       set<string> languages;
 
        LanguageList::const_iterator const begin = UsedLanguages_.begin();
        for (LanguageList::const_iterator cit = begin;
             cit != UsedLanguages_.end();
             ++cit) {
-               languages[(*cit)->polyglossia()] = (*cit)->polyglossiaOpts();
+               // We do not need the variants here
+               languages.insert((*cit)->polyglossia());
        }
        return languages;
 }
@@ -669,11 +885,13 @@ set<string> LaTeXFeatures::getEncodingSet(string const & doc_encoding) const
 
 void LaTeXFeatures::getFontEncodings(vector<string> & encodings) const
 {
-       // these must be loaded if glyphs of this script
-       // are used (notwithstanding the language)
-       if (mustProvide("textgreek"))
+       // these must be loaded if glyphs of this script are used
+       // unless a language providing them is used in the document
+       if (mustProvide("textgreek")
+           && find(encodings.begin(), encodings.end(), "LGR") == encodings.end())
                encodings.insert(encodings.begin(), "LGR");
-       if (mustProvide("textcyr"))
+       if (mustProvide("textcyr")
+           && find(encodings.begin(), encodings.end(), "T2A") == encodings.end())
                encodings.insert(encodings.begin(), "T2A");
 
        LanguageList::const_iterator it  = UsedLanguages_.begin();
@@ -722,7 +940,6 @@ char const * simplefeatures[] = {
        "pmboxdraw",
        "bbding",
        "ifsym",
-       "marvosym",
        "txfonts",
        "pxfonts",
        "mathdesign",
@@ -748,12 +965,15 @@ char const * simplefeatures[] = {
        "tfrupee",
        "shapepar",
        "rsphrase",
+       "hpstatement",
        "algorithm2e",
        "sectionbox",
        "tcolorbox",
        "pdfcomment",
        "fixme",
-       "todonotes"
+       "todonotes",
+       "forest",
+       "varwidth",
 };
 
 char const * bibliofeatures[] = {
@@ -765,6 +985,7 @@ char const * bibliofeatures[] = {
        "authordate1-4",
        "babelbib",
        "bibgerm",
+       "chapterbib",
        "chicago",
        "chscite",
        "harvard",
@@ -882,24 +1103,34 @@ string const LaTeXFeatures::getPackages() const
                packages << "\\usepackage{tipa}\n";
        if (mustProvide("tipx") && !params_.useNonTeXFonts)
                packages << "\\usepackage{tipx}\n";
+       if (mustProvide("extraipa") && !params_.useNonTeXFonts)
+               packages << "\\usepackage{extraipa}\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();
-       bool const ot1 = (params_.font_encoding() == "default" || params_.font_encoding() == "OT1");
+       bool const ot1 = (params_.main_font_encoding() == "default"
+                         || params_.main_font_encoding() == "OT1");
        bool const use_newtxmath =
-               theLaTeXFonts().getLaTeXFont(from_ascii(params_.fonts_math)).getUsedPackage(
+               theLaTeXFonts().getLaTeXFont(from_ascii(params_.fontsMath())).getUsedPackage(
                        ot1, false, false) == "newtxmath";
-       
+
        if (!params_.useNonTeXFonts && !use_newtxmath && !amsPackages.empty())
                packages << amsPackages;
 
        if (mustProvide("cancel") &&
            params_.use_package("cancel") != BufferParams::package_off)
                packages << "\\usepackage{cancel}\n";
-       
+
+       // marvosym and bbding both define the \Cross macro
+       if (mustProvide("marvosym")) {
+           if (mustProvide("bbding"))
+               packages << "\\let\\Cross\\relax\n";
+           packages << "\\usepackage{marvosym}\n";
+       }
+
        // accents must be loaded after amsmath
        if (mustProvide("accents") &&
            params_.use_package("accents") != BufferParams::package_off)
@@ -1005,6 +1236,8 @@ string const LaTeXFeatures::getPackages() const
                        packages << "numbers";
                else
                        packages << "authoryear";
+               if (!params_.biblio_opts.empty())
+                       packages << ',' << params_.biblio_opts;
                packages << "]{natbib}\n";
        }
 
@@ -1016,8 +1249,12 @@ string const LaTeXFeatures::getPackages() const
        }
 
        // jurabib -- we need version 0.6 at least.
-       if (mustProvide("jurabib"))
-               packages << "\\usepackage{jurabib}[2004/01/25]\n";
+       if (mustProvide("jurabib")) {
+               packages << "\\usepackage";
+               if (!params_.biblio_opts.empty())
+                       packages << '[' << params_.biblio_opts << ']';
+               packages << "{jurabib}[2004/01/25]\n";
+       }
 
        // opcit -- we pass custombst as we output \bibliographystyle ourselves
        if (mustProvide("opcit")) {
@@ -1062,44 +1299,29 @@ string const LaTeXFeatures::getPackages() const
        if (mustProvide("footmisc"))
                packages << "\\PassOptionsToPackage{stable}{footmisc}\n";
 
-       return packages.str();
-}
-
-
-string LaTeXFeatures::getPreambleSnippets() const
-{
-       ostringstream snip;
-       SnippetList::const_iterator pit  = preamble_snippets_.begin();
-       SnippetList::const_iterator pend = preamble_snippets_.end();
-       for (; pit != pend; ++pit)
-               snip << *pit << '\n';
-       return snip.str();
-}
-
+       if (mustProvide("microtype")){
+               packages << "\\usepackage{microtype}\n";
+       }
 
-std::string LaTeXFeatures::getCSSSnippets() const
-{
-       ostringstream snip;
-       SnippetList::const_iterator pit  = css_snippets_.begin();
-       SnippetList::const_iterator pend = css_snippets_.end();
-       for (; pit != pend; ++pit)
-               snip << *pit << '\n';
-       return snip.str();
+       return packages.str();
 }
 
 
-docstring const LaTeXFeatures::getMacros() const
+TexString LaTeXFeatures::getMacros() const
 {
-       odocstringstream macros;
+       otexstringstream macros;
 
        if (!preamble_snippets_.empty()) {
                macros << '\n';
-               macros << from_utf8(getPreambleSnippets());
+               macros << getPreambleSnippets();
        }
 
        if (mustProvide("papersize")) {
-               if (runparams_.flavor == OutputParams::LATEX)
+               if (runparams_.flavor == OutputParams::LATEX
+                   || runparams_.flavor == OutputParams::DVILUATEX)
                        macros << papersizedvi_def << '\n';
+               else if  (runparams_.flavor == OutputParams::LUATEX)
+                       macros << papersizepdflua_def << '\n';
                else
                        macros << papersizepdf_def << '\n';
        }
@@ -1117,22 +1339,46 @@ docstring const LaTeXFeatures::getMacros() const
        if (mustProvide("lyxarrow"))
                macros << lyxarrow_def << '\n';
 
+       if (mustProvide("lyxzerowidthspace"))
+               macros << lyxZWSP_def << '\n';
+
        if (!usePolyglossia() && mustProvide("textgreek")) {
-               // Avoid a LaTeX error if times fonts are used and the grtimes
-               // package is installed but actual fonts are not (bug 6469).
-               if (params_.fonts_roman == "times")
-                       macros << subst(textgreek_def,
-                                       from_ascii("\\greektext #1"),
-                                       from_ascii("%\n  \\IfFileExists"
-                                                  "{grtm10.tfm}{}{\\fontfamily"
-                                                  "{cmr}}\\greektext #1"))
-                              << '\n';
-               else
-                       macros << textgreek_def << '\n';
+           // ensure LGR font encoding is defined also if fontenc is not loaded by LyX
+               if (params_.main_font_encoding() == "default")
+                       macros << textgreek_LGR_def;
+               macros << textgreek_def << '\n';
        }
 
-       if (!usePolyglossia() && mustProvide("textcyr"))
+       if (!usePolyglossia() && mustProvide("textcyr")) {
+               // ensure T2A font encoding is set up also if fontenc is not loaded by LyX
+               if (params_.main_font_encoding() == "default")
+                       macros << textcyr_T2A_def;
                macros << textcyr_def << '\n';
+       }
+
+       // non-standard text accents:
+       if (mustProvide("textcommaabove") || mustProvide("textcommaaboveright") ||
+           mustProvide("textcommabelow") || mustProvide("textbaltic"))
+               macros << lyxaccent_def;
+
+       if (mustProvide("textcommabelow") || mustProvide("textbaltic"))
+               macros << textcommabelow_def << '\n';
+
+       if (mustProvide("textcommaabove") || mustProvide("textbaltic"))
+               macros << textcommaabove_def << '\n';
+
+       if (mustProvide("textcommaaboveright"))
+               macros << textcommaaboveright_def << '\n';
+
+       if (mustProvide("textbaltic"))
+               macros << textbaltic_def << '\n';
+
+       // split-level fractions
+       if (mustProvide("xfrac") || mustProvide("smallLetterFrac"))
+               macros << xfrac_def << '\n';
+
+       if (mustProvide("smallLetterFrac"))
+               macros << smallLetterFrac_def << '\n';
 
        if (mustProvide("lyxmathsym"))
                macros << lyxmathsym_def << '\n';
@@ -1180,6 +1426,20 @@ docstring const LaTeXFeatures::getMacros() const
                macros << guillemotleft_def << '\n';
        if (mustProvide("guillemotright"))
                macros << guillemotright_def << '\n';
+       if (mustProvide("textquotedbl"))
+               macros << textquotedbl_def << '\n';
+       if (mustProvide("textquotesinglep")) {
+               if (runparams_.flavor == OutputParams::XETEX)
+                       macros << textquotesinglep_xetex_def << '\n';
+               else
+                       macros << textquotesinglep_luatex_def << '\n';
+       }
+       if (mustProvide("textquotedblp")) {
+               if (runparams_.flavor == OutputParams::XETEX)
+                       macros << textquotedblp_xetex_def << '\n';
+               else
+                       macros << textquotedblp_luatex_def << '\n';
+       }
 
        // Math mode
        if (mustProvide("binom") && !isRequired("amsmath"))
@@ -1190,6 +1450,8 @@ 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"))
@@ -1215,7 +1477,7 @@ docstring const LaTeXFeatures::getMacros() const
                macros << changetracking_dvipost_def;
 
        if (mustProvide("ct-xcolor-ulem")) {
-               streamsize const prec = macros.precision(2);
+               streamsize const prec = macros.os().precision(2);
 
                RGBColor cadd = rgbFromHexName(lcolor.getX11Name(Color_addedtext));
                macros << "\\providecolor{lyxadded}{rgb}{"
@@ -1225,7 +1487,7 @@ docstring const LaTeXFeatures::getMacros() const
                macros << "\\providecolor{lyxdeleted}{rgb}{"
                       << cdel.r / 255.0 << ',' << cdel.g / 255.0 << ',' << cdel.b / 255.0 << "}\n";
 
-               macros.precision(prec);
+               macros.os().precision(prec);
 
                if (isRequired("hyperref"))
                        macros << changetracking_xcolor_ulem_hyperref_def;
@@ -1233,25 +1495,29 @@ docstring const LaTeXFeatures::getMacros() const
                        macros << changetracking_xcolor_ulem_def;
        }
 
+       if (mustProvide("ct-tikz-math-sout"))
+                       macros << changetracking_tikz_math_sout_def;
+
        if (mustProvide("ct-none"))
                macros << changetracking_none_def;
 
        if (mustProvide("rtloutputdblcol"))
                macros << rtloutputdblcol_def;
 
-       return macros.str();
+       if (mustProvide("lyxmintcaption"))
+               macros << lyxmintcaption_def;
+
+       return macros.release();
 }
 
 
-string const LaTeXFeatures::getBabelPresettings() const
+docstring const LaTeXFeatures::getBabelPresettings() const
 {
-       ostringstream tmp;
+       odocstringstream tmp;
 
-       LanguageList::const_iterator it  = UsedLanguages_.begin();
-       LanguageList::const_iterator end = UsedLanguages_.end();
-       for (; it != end; ++it)
-               if (!(*it)->babel_presettings().empty())
-                       tmp << (*it)->babel_presettings() << '\n';
+       for (Language const * lang : UsedLanguages_)
+               if (!lang->babel_presettings().empty())
+                       tmp << lang->babel_presettings() << '\n';
        if (!params_.language->babel_presettings().empty())
                tmp << params_.language->babel_presettings() << '\n';
 
@@ -1262,15 +1528,13 @@ string const LaTeXFeatures::getBabelPresettings() const
 }
 
 
-string const LaTeXFeatures::getBabelPostsettings() const
+docstring const LaTeXFeatures::getBabelPostsettings() const
 {
-       ostringstream tmp;
+       odocstringstream tmp;
 
-       LanguageList::const_iterator it  = UsedLanguages_.begin();
-       LanguageList::const_iterator end = UsedLanguages_.end();
-       for (; it != end; ++it)
-               if (!(*it)->babel_postsettings().empty())
-                       tmp << (*it)->babel_postsettings() << '\n';
+       for (Language const * lang : UsedLanguages_)
+               if (!lang->babel_postsettings().empty())
+                       tmp << lang->babel_postsettings() << '\n';
        if (!params_.language->babel_postsettings().empty())
                tmp << params_.language->babel_postsettings() << '\n';
 
@@ -1299,8 +1563,6 @@ bool LaTeXFeatures::needBabelLangOptions() const
 string const LaTeXFeatures::loadAMSPackages() const
 {
        ostringstream tmp;
-       if (mustProvide("amsthm"))
-               tmp << "\\usepackage{amsthm}\n";
 
        if (mustProvide("amsmath")
            && params_.use_package("amsmath") != BufferParams::package_off) {
@@ -1313,6 +1575,9 @@ string const LaTeXFeatures::loadAMSPackages() const
                        tmp << "\\usepackage{amstext}\n";
        }
 
+       if (mustProvide("amsthm"))
+               tmp << "\\usepackage{amsthm}\n";
+
        if (mustProvide("amssymb")
            && params_.use_package("amssymb") != BufferParams::package_off)
                tmp << "\\usepackage{amssymb}\n";
@@ -1332,7 +1597,10 @@ docstring const LaTeXFeatures::getTClassPreamble() const
        list<docstring>::const_iterator cit = usedLayouts_.begin();
        list<docstring>::const_iterator end = usedLayouts_.end();
        for (; cit != end; ++cit)
-               tcpreamble << tclass[*cit].preamble();
+               // For InPreamble layouts, we output the preamble stuff earlier
+               // (before the layouts). See Paragraph::Private::validate.
+               if (!tclass[*cit].inpreamble)
+                       tcpreamble << tclass[*cit].preamble();
 
        cit = usedInsetLayouts_.begin();
        end = usedInsetLayouts_.end();
@@ -1505,7 +1773,8 @@ docstring const i18npreamble(docstring const & templ, Language const * lang,
 }
 
 
-docstring const LaTeXFeatures::getTClassI18nPreamble(bool use_babel, bool use_polyglossia) const
+docstring const LaTeXFeatures::getTClassI18nPreamble(bool use_babel,
+                               bool use_polyglossia, bool use_minted) const
 {
        DocumentClass const & tclass = params_.documentClass();
        // collect preamble snippets in a set to prevent multiple identical
@@ -1587,8 +1856,9 @@ docstring const LaTeXFeatures::getTClassI18nPreamble(bool use_babel, bool use_po
                // need to force a fixed width encoding for
                // \lstlistlistingname and \lstlistingname (bug 9382).
                // This needs to be consistent with InsetListings::latex().
-               bool const need_fixedwidth = !runparams_.isFullUnicode() &&
-                               it->second.fixedwidthpreambleencoding();
+               bool const need_fixedwidth = !use_minted &&
+                                       !runparams_.isFullUnicode() &&
+                                       it->second.fixedwidthpreambleencoding();
                // language dependent commands (once per document)
                snippets.insert(i18npreamble(it->second.langpreamble(),
                                                buffer().language(),
@@ -1654,7 +1924,7 @@ void LaTeXFeatures::showStruct() const
 {
        lyxerr << "LyX needs the following commands when LaTeXing:"
               << "\n***** Packages:" << getPackages()
-              << "\n***** Macros:" << to_utf8(getMacros())
+              << "\n***** Macros:" << to_utf8(getMacros().str)
               << "\n***** Textclass stuff:" << to_utf8(getTClassPreamble())
               << "\n***** done." << endl;
 }
@@ -1678,7 +1948,7 @@ BufferParams const & LaTeXFeatures::bufferParams() const
 }
 
 
-void LaTeXFeatures::getFloatDefinitions(odocstream & os) const
+void LaTeXFeatures::getFloatDefinitions(otexstream & os) const
 {
        FloatList const & floats = params_.documentClass().floats();
 
@@ -1754,10 +2024,23 @@ void LaTeXFeatures::resolveAlternatives()
                        vector<string> const alternatives = getVectorFromString(*it, "|");
                        vector<string>::const_iterator const end = alternatives.end();
                        vector<string>::const_iterator ita = alternatives.begin();
+                       // Is any alternative already required? => use that
                        for (; ita != end; ++ita) {
                                if (isRequired(*ita))
                                        break;
                        }
+                       // Is any alternative available? => use the first one
+                       // (bug 9498)
+                       if (ita == end) {
+                               for (ita = alternatives.begin(); ita != end; ++ita) {
+                                       if (isAvailable(*ita)) {
+                                               require(*ita);
+                                               break;
+                                       }
+                               }
+                       }
+                       // This will not work, but not requiring something
+                       // would be more confusing
                        if (ita == end)
                                require(alternatives.front());
                        features_.erase(it);
@@ -1768,4 +2051,24 @@ void LaTeXFeatures::resolveAlternatives()
 }
 
 
+void LaTeXFeatures::expandMultiples()
+{
+       for (Features::iterator it = features_.begin(); it != features_.end();) {
+               if (contains(*it, ',')) {
+                       vector<string> const multiples = getVectorFromString(*it, ",");
+                       vector<string>::const_iterator const end = multiples.end();
+                       vector<string>::const_iterator itm = multiples.begin();
+                       // Do nothing if any multiple is already required
+                       for (; itm != end; ++itm) {
+                               if (!isRequired(*itm))
+                                       require(*itm);
+                       }
+                       features_.erase(it);
+                       it = features_.begin();
+               } else
+                       ++it;
+       }
+}
+
+
 } // namespace lyx