]> git.lyx.org Git - lyx.git/blobdiff - src/LaTeXFeatures.cpp
Remove obsolete (and false) comment.
[lyx.git] / src / LaTeXFeatures.cpp
index b4da005652c51fb4a4bda9da9f73331fd9a2e095..0216182f27537ff6c619bdbf92de64c4b939bda6 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"
 
@@ -61,12 +63,7 @@ namespace lyx {
 //\message{LyX LaTeX Extensions (LLE v0.2) of 11-Jan-1996.}
 
 static docstring const lyx_def = from_ascii(
-       "\\providecommand{\\LyX}{L\\kern-.1667em\\lower.25em\\hbox{Y}\\kern-.125emX\\@}");
-
-static docstring const lyx_hyperref_def = from_ascii(
-       "\\providecommand{\\LyX}{\\texorpdfstring%\n"
-       "  {L\\kern-.1667em\\lower.25em\\hbox{Y}\\kern-.125emX\\@}\n"
-        "  {LyX}}");
+       "{%\n  L\\kern-.1667em\\lower.25em\\hbox{Y}\\kern-.125emX\\@}");
 
 static docstring const noun_def = from_ascii(
        "\\newcommand{\\noun}[1]{\\textsc{#1}}");
@@ -77,6 +74,15 @@ 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 +122,25 @@ 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 +159,24 @@ 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");
@@ -152,6 +195,39 @@ static docstring const lyxgreyedout_def = from_ascii(
        "  {\\textcolor{note_fontcolor}\\bgroup\\ignorespaces}\n"
        "  {\\ignorespacesafterend\\egroup}\n");
 
+static docstring const lyxgreyedout_rtl_def = from_ascii(
+       "%% The greyedout annotation environment (with RTL support)\n"
+       "\\NewEnviron{lyxgreyedout}{%\n"
+       "\\if@rl%\n"
+       "\\everypar{\\textcolor{note_fontcolor}\\beginL\\ignorespaces}%\n"
+       "\\BODY\\everypar{\\ignorespacesafterend\\endL}\n"
+       "\\else%\n"
+       "\\textcolor{note_fontcolor}\\bgroup\\ignorespaces%\n"
+       "\\BODY\\ignorespacesafterend\\egroup\n"
+       "\\fi}\n");
+
+static docstring const lyxgreyedout_luartl_def = from_ascii(
+       "%% The greyedout annotation environment (with RTL support)\n"
+       "\\NewEnviron{lyxgreyedout}{%\n"
+       "\\if@RTL%\n"
+       "\\everypar{\\color{note_fontcolor}\\pardir TRT \\textdir TRT\\ignorespaces}%\n"
+       "\\BODY\\everypar{\\ignorespacesafterend}\n"
+       "\\else%\n"
+       "\\textcolor{note_fontcolor}\\bgroup\\ignorespaces%\n"
+       "\\BODY\\ignorespacesafterend\\egroup\n"
+       "\\fi}\n");
+
+static docstring const lyxgreyedout_luartl_babel_def = from_ascii(
+       "%% The greyedout annotation environment (with RTL support)\n"
+       "\\NewEnviron{lyxgreyedout}{%\n"
+       "\\if@rl%\n"
+       "\\everypar{\\color{note_fontcolor}\\pardir TRT \\textdir TRT\\ignorespaces}%\n"
+       "\\BODY\\everypar{\\ignorespacesafterend}\n"
+       "\\else%\n"
+       "\\textcolor{note_fontcolor}\\bgroup\\ignorespaces%\n"
+       "\\BODY\\ignorespacesafterend\\egroup\n"
+       "\\fi}\n");
+
 // We want to omit the file extension for includegraphics, but this does not
 // work when the filename contains other dots.
 // Idea from http://www.tex.ac.uk/cgi-bin/texfaq2html?label=unkgrfextn
@@ -159,43 +235,164 @@ static docstring const lyxdot_def = from_ascii(
        "%% A simple dot to overcome graphicx limitations\n"
        "\\newcommand{\\lyxdot}{.}\n");
 
-static docstring const changetracking_dvipost_def = from_ascii(
-       "%% Change tracking with dvipost\n"
-       "\\dvipostlayout\n"
-       "\\dvipost{osstart color push Red}\n"
-       "\\dvipost{osend color pop}\n"
-       "\\dvipost{cbstart color push Blue}\n"
-       "\\dvipost{cbend color pop}\n"
-       "\\DeclareRobustCommand{\\lyxadded}[3]{\\changestart#3\\changeend}\n"
-       "\\DeclareRobustCommand{\\lyxdeleted}[3]{%\n"
-       "\\changestart\\overstrikeon#3\\overstrikeoff\\changeend}\n");
+static docstring const changetracking_xcolor_ulem_base_def = from_ascii(
+       "%% Change tracking with ulem and xcolor: base macros\n"
+       "\\DeclareRobustCommand{\\mklyxadded}[1]{\\bgroup\\color{lyxadded}{}#1\\egroup}\n"
+       "\\DeclareRobustCommand{\\mklyxdeleted}[1]{\\bgroup\\color{lyxdeleted}\\mklyxsout{#1}\\egroup}\n"
+       "\\DeclareRobustCommand{\\mklyxsout}[1]{\\ifx\\\\#1\\else\\sout{#1}\\fi}\n");
 
 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");
+       "%% Change tracking with ulem and xcolor: ct markup\n"
+       "\\DeclareRobustCommand{\\lyxadded}[4][]{\\mklyxadded{#4}}\n"
+       "\\DeclareRobustCommand{\\lyxdeleted}[4][]{\\mklyxdeleted{#4}}\n");
+
+static docstring const changetracking_xcolor_ulem_cb_def = from_ascii(
+       "%% Change tracking with ulem, xcolor and changebars: ct markup\n"
+       "\\DeclareRobustCommand{\\lyxadded}[4][]{%\n"
+       "    \\protect\\cbstart\\mklyxadded{#4}%\n"
+       "    \\protect\\cbend%\n"
+       "}\n"
+       "\\DeclareRobustCommand{\\lyxdeleted}[4][]{%\n"
+       "    \\protect\\cbstart\\mklyxdeleted{#4}%\n"
+       "    \\protect\\cbend%\n"
+       "}\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");
+       "%% Change tracking with ulem, xcolor, and hyperref: ct markup\n"
+       "\\DeclareRobustCommand{\\lyxadded}[4][]{\\texorpdfstring{\\mklyxadded{#4}}{#4}}\n"
+       "\\DeclareRobustCommand{\\lyxdeleted}[4][]{\\texorpdfstring{\\mklyxdeleted{#4}}{}}\n");
+
+static docstring const changetracking_xcolor_ulem_hyperref_cb_def = from_ascii(
+       "%% Change tracking with ulem, xcolor, hyperref and changebars: ct markup\n"
+       "\\DeclareRobustCommand{\\lyxadded}[4][]{%\n"
+       "    \\texorpdfstring{\\protect\\cbstart\\mklyxadded{#4}%\n"
+       "    \\protect\\cbend}{#4}%\n"
+       "}\n"
+       "\\DeclareRobustCommand{\\lyxdeleted}[4][]{%\n"
+       "    \\texorpdfstring{\\protect\\cbstart\\mklyxdeleted{#4}%\n"
+       "    \\protect\\cbend}{}%\n"
+       "}\n");
+
+static docstring const changetracking_tikz_object_sout_def = from_ascii(
+       "%% Strike out display math and text objects with tikz\n"
+       "\\usetikzlibrary{calc}\n"
+       "\\newcommand{\\lyxobjectsout}[1]{%\n"
+       "  \\bgroup%\n"
+       "  \\color{lyxdeleted}%\n"
+       "  \\tikz{\n"
+       "    \\node[inner sep=0pt,outer sep=0pt](lyxdelobj){#1};\n"
+       "    \\draw($(lyxdelobj.south west)+(2em,.5em)$)--($(lyxdelobj.north east)-(2em,.5em)$);\n"
+       "  }\n"
+       "  \\egroup%\n"
+       "}\n");
+
+static docstring const changetracking_xcolor_ulem_object_def = from_ascii(
+       "%% Change tracking with ulem and xcolor: ct markup for complex objects\n"
+       "\\DeclareRobustCommand{\\lyxobjdeleted}[4][]{\\lyxobjectsout{#4}}\n"
+       "\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
+       "  \\ifx#4\\empty\\else%\n"
+       "     \\leavevmode\\\\%\n"
+       "     \\lyxobjectsout{\\parbox{\\linewidth}{#4}}%\n"
+       "  \\fi%\n"
+       "}\n"
+       "\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
+       "  \\ifx#4\\empty\\else%\n"
+       "     \\leavevmode\\\\%\n"
+       "     \\raisebox{-\\belowdisplayshortskip}{%\n"
+       "                \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}}%\n"
+       "     \\leavevmode\\\\%\n"
+       "  \\fi%\n"
+       "}\n");
+
+static docstring const changetracking_xcolor_ulem_cb_object_def = from_ascii(
+       "%% Change tracking with ulem, xcolor and changebars:ct markup for complex objects\n"
+       "\\DeclareRobustCommand{\\lyxobjdeleted}[4][]{%\n"
+       "    \\protect\\cbstart\\lyxobjectsout{#4}%\n"
+       "    \\protect\\cbend%\n"
+       "}\n"
+       "\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
+       "  \\ifx#4\\empty\\else%\n"
+       "    \\leavevmode\\\\%\n"
+       "    \\protect\\cbstart%\n"
+       "    \\lyxobjectsout{\\parbox{\\linewidth}{#4}}%\n"
+       "    \\protect\\cbend%\n"
+       "  \\fi%\n"
+       "}\n"
+       "\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
+       "  \\ifx#4\\empty\\else%\n"
+       "    \\leavevmode\\\\%\n"
+       "    \\raisebox{-\\belowdisplayshortskip}{%\n"
+       "               \\protect\\cbstart%\n"
+       "               \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}}%\n"
+       "               \\protect\\cbend%\n"
+       "     \\leavevmode\\\\%\n"
+       "  \\fi%\n"
+       "}\n");
+
+static docstring const changetracking_xcolor_ulem_hyperref_object_def = from_ascii(
+       "%% Change tracking with ulem, xcolor, and hyperref: ct markup for complex objects\n"
+       "\\DeclareRobustCommand{\\lyxobjdeleted}[4][]{\\texorpdfstring{\\lyxobjectsout{#4}}{}}\n"
+       "\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
+       "  \\ifx#4\\empty\\else%\n"
+       "     \\texorpdfstring{\\leavevmode\\\\\\lyxobjectsout{\\parbox{\\linewidth}{#4}}}{}%\n"
+       "  \\fi%\n"
+       "}\n"
+       "\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
+       "  \\ifx#4\\empty\\else%\n"
+       "     \\texorpdfstring{\\leavevmode\\\\\\raisebox{-\\belowdisplayshortskip}{%\n"
+       "                \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}}}{}%\n"
+       "     \\leavevmode\\\\%\n"
+       "  \\fi%\n"
+       "}\n");
+
+static docstring const changetracking_xcolor_ulem_hyperref_cb_object_def = from_ascii(
+       "%% Change tracking with ulem, xcolor, hyperref and changebars:\n"
+       "%% ct markup for complex objects\n"
+       "\\DeclareRobustCommand{\\lyxobjdeleted}[4][]{%\n"
+       "    \\texorpdfstring{\\protect\\cbstart\\lyxobjectsout{#4}%\n"
+       "    \\protect\\cbend}{}%\n"
+       "}\n"
+       "\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
+       "  \\ifx#4\\empty\\else%\n"
+       "     \\texorpdfstring{\\leavevmode\\\\\\protect\\cbstart%\n"
+       "        \\lyxobjectsout{\\parbox{\\linewidth}{#4}}%\n"
+       "        \\protect\\cbend%\n"
+       "      }{}%\n"
+       "  \\fi%\n"
+       "}\n"
+       "\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
+       "  \\ifx#4\\empty\\else%\n"
+       "     \\texorpdfstring{\\leavevmode\\\\\\protect\\cbstart%\n"
+       "        \\raisebox{-\\belowdisplayshortskip}{%\n"
+       "                   \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}%\n"
+       "        }%\n"
+       "      \\leavevmode\\\\%\n"
+       "     }{}%\n"
+       "  \\fi%\n"
+       "}\n");
 
 static docstring const changetracking_none_def = from_ascii(
+       "%% Change tracking: Disable markup in output\n"
        "\\newcommand{\\lyxadded}[3]{#3}\n"
-       "\\newcommand{\\lyxdeleted}[3]{}\n");
+       "\\newcommand{\\lyxdeleted}[3]{}\n"
+       "\\newcommand{\\lyxobjdeleted}[3]{}\n"
+       "\\newcommand{\\lyxdisplayobjdeleted}[3]{}\n"
+       "\\newcommand{\\lyxudisplayobjdeleted}[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}");
+       "\\DeclareRobustCommand{\\textgreek}[1]{\\leavevmode{\\greektext #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{\\textcyrillic}[1]{\\leavevmode{\\cyrtext #1}}\n");
 
 static docstring const lyxmathsym_def = from_ascii(
        "\\newcommand{\\lyxmathsym}[1]{\\ifmmode\\begingroup\\def\\b@ld{bold}\n"
@@ -208,6 +405,13 @@ 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");
@@ -248,16 +452,77 @@ 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");
+
+// Use cyrillic fonts to provide letter schwa in text (see #11062)
+static docstring const textschwa_def = from_ascii(
+       "%% letter schwa missing in Latin fonts, use Cyrillic schwa\n"
+       "\\DeclareTextSymbolDefault{\\CYRSCHWA}{T2A}\n"
+       "\\DeclareTextSymbolDefault{\\cyrschwa}{T2A}\n"
+       "\\ProvideTextCommandDefault{\\textSchwa}{\\CYRSCHWA}\n"
+       "\\ProvideTextCommandDefault{\\textschwa}{\\cyrschwa}\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"
-               "  {}\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" 
-               "  {}\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"
+       "  {}\n");
 
 // Make sure the columns are also outputed as rtl
 static docstring const rtloutputdblcol_def = from_ascii(
@@ -295,6 +560,19 @@ 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 +582,15 @@ 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");
 
 
 /////////////////////////////////////////////////////////////////////
@@ -323,8 +601,9 @@ 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)
+                                                        OutputParams const & r)
+       : buffer_(&b), params_(p), runparams_(r), in_float_(false),
+         in_deleted_inset_(false)
 {}
 
 
@@ -343,18 +622,18 @@ 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();
 
@@ -407,6 +686,12 @@ void LaTeXFeatures::require(set<string> const & names)
 }
 
 
+void LaTeXFeatures::provide(string const & name)
+{
+       provides_.insert(name);
+}
+
+
 void LaTeXFeatures::useLayout(docstring const & layoutname)
 {
        useLayout(layoutname, 0);
@@ -432,7 +717,7 @@ void LaTeXFeatures::useLayout(docstring const & layoutname, int level)
                        return;
 
                Layout const & layout = tclass[layoutname];
-               require(layout.requires());
+               require(layout.required());
 
                if (!layout.depends_on().empty()) {
                        useLayout(layout.depends_on(), level + 1);
@@ -459,7 +744,7 @@ void LaTeXFeatures::useInsetLayout(InsetLayout const & lay)
                        != usedInsetLayouts_.end())
                return;
 
-       require(lay.requires());
+       require(lay.required());
        usedInsetLayouts_.push_back(lname);
 }
 
@@ -472,29 +757,34 @@ bool LaTeXFeatures::isRequired(string const & name) const
 
 bool LaTeXFeatures::isProvided(string const & name) const
 {
+       // Currently, this is only features provided by babel languages
+       // (such as textgreek)
+       if (provides_.find(name) != provides_.end())
+               return true;
+
        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);
 }
@@ -519,24 +809,62 @@ bool LaTeXFeatures::isAvailable(string const & name)
 }
 
 
-void LaTeXFeatures::addPreambleSnippet(string const & preamble)
+namespace {
+
+void addSnippet(std::list<TexString> & list, TexString ts, bool allow_dupes)
 {
-       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);
+       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();
+}
+
+} // 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)
+{
+       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])
@@ -547,8 +875,14 @@ void LaTeXFeatures::useFloat(string const & name, bool subfloat)
        // use the "H" modifier. This includes modified table and
        // figure floats. (Lgb)
        Floating const & fl = params_.documentClass().floats().getType(name);
-       if (!fl.floattype().empty() && fl.usesFloatPkg()) {
-               require("float");
+       if (!fl.floattype().empty()) {
+               if (fl.usesFloatPkg())
+                       require("float");
+               if (!fl.required().empty()) {
+                       vector<string> reqs = getVectorFromString(fl.required());
+                       for (auto const & req : reqs)
+                               require(req);
+               }
        }
 }
 
@@ -557,13 +891,16 @@ void LaTeXFeatures::useLanguage(Language const * lang)
 {
        if (!lang->babel().empty() || !lang->polyglossia().empty())
                UsedLanguages_.insert(lang);
-       if (!lang->requires().empty())
-               require(lang->requires());
+       if (!lang->required().empty())
+               require(lang->required());
+       // currently only supported for Babel
+       if (!lang->provides().empty() && useBabel())
+               provide(lang->provides());
        // CJK languages do not have a babel name.
        // They use the CJK package
        if (lang->encoding()->package() == Encoding::CJK)
                require("CJK");
-       // japanese package is special
+       // japanese babel language is special (tied to the pLaTeX engine).
        if (lang->encoding()->package() == Encoding::japanese)
                require("japanese");
 }
@@ -615,9 +952,45 @@ 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;
+       ostringstream langs;
 
        bool first = true;
        LanguageList::const_iterator const begin = UsedLanguages_.begin();
@@ -627,26 +1000,41 @@ string LaTeXFeatures::getBabelLanguages() const
                if ((*cit)->babel().empty())
                        continue;
                if (!first)
-                       languages << ',';
+                       langs << ',';
                else
                        first = false;
-               languages << (*cit)->babel();
+               langs << (*cit)->babel();
        }
-       return languages.str();
+       return langs.str();
 }
 
 
-std::map<std::string, std::string> LaTeXFeatures::getPolyglossiaLanguages() const
+set<string> LaTeXFeatures::getPolyglossiaLanguages() const
 {
-       std::map<std::string, std::string> languages;
+       set<string> langs;
 
        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
+               langs.insert((*cit)->polyglossia());
        }
-       return languages;
+       return langs;
+}
+
+
+string LaTeXFeatures::getActiveChars() const
+{
+       string res;
+       // first the main language
+       res += params_.language->activeChars();
+       // now the secondary languages
+       LanguageList::const_iterator const begin = UsedLanguages_.begin();
+       for (LanguageList::const_iterator cit = begin;
+            cit != UsedLanguages_.end(); ++cit)
+               res += ((*cit)->activeChars());
+       return res;
 }
 
 
@@ -655,49 +1043,58 @@ set<string> LaTeXFeatures::getEncodingSet(string const & doc_encoding) const
        // This does only find encodings of languages supported by babel, but
        // that does not matter since we don't have a language with an
        // encoding supported by inputenc but without babel support.
-       set<string> encodings;
-       LanguageList::const_iterator it  = UsedLanguages_.begin();
-       LanguageList::const_iterator end = UsedLanguages_.end();
-       for (; it != end; ++it)
-               if ((*it)->encoding()->latexName() != doc_encoding &&
-                   ((*it)->encoding()->package() == Encoding::inputenc
-                    || (*it)->encoding()->package() == Encoding::japanese))
-                       encodings.insert((*it)->encoding()->latexName());
-       return encodings;
+       set<string> encs;
+       for (auto const & lang : UsedLanguages_)
+               if (lang->encoding()->latexName() != doc_encoding &&
+                   lang->encoding()->package() == Encoding::inputenc)
+                       encs.insert(lang->encoding()->latexName());
+       return encs;
 }
 
 
-void LaTeXFeatures::getFontEncodings(vector<string> & encodings) const
+void LaTeXFeatures::getFontEncodings(vector<string> & encs, bool const onlylangs) const
 {
-       // these must be loaded if glyphs of this script
-       // are used (notwithstanding the language)
-       if (mustProvide("textgreek"))
-               encodings.insert(encodings.begin(), "LGR");
-       if (mustProvide("textcyr"))
-               encodings.insert(encodings.begin(), "T2A");
-
-       LanguageList::const_iterator it  = UsedLanguages_.begin();
-       LanguageList::const_iterator end = UsedLanguages_.end();
-       for (; it != end; ++it)
-               if (!(*it)->fontenc().empty()
-                   && ascii_lowercase((*it)->fontenc()) != "none") {
-                       vector<string> extraencs = getVectorFromString((*it)->fontenc());
-                       vector<string>::const_iterator fit = extraencs.begin();
-                       for (; fit != extraencs.end(); ++fit) {
-                               if (find(encodings.begin(), encodings.end(), *fit) == encodings.end())
-                                       encodings.insert(encodings.begin(), *fit);
-                       }
+       if (!onlylangs) {
+               // 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(encs.begin(), encs.end(), "LGR") == encs.end())
+                       encs.insert(encs.begin(), "LGR");
+               if ((mustProvide("textcyrillic") || mustProvide("textschwa"))
+                   && find(encs.begin(), encs.end(), "T2A") == encs.end())
+                       encs.insert(encs.begin(), "T2A");
+       }
+
+       for (auto const & lang : UsedLanguages_) {
+               vector<string> extraencs =
+                       getVectorFromString(lang->fontenc(buffer().masterParams()));
+               for (auto const & extra : extraencs) {
+                       if (extra != "none" && find(encs.begin(), encs.end(), extra) == encs.end())
+                               encs.insert(encs.begin(), extra);
                }
+       }
 }
 
+
+bool LaTeXFeatures::hasRTLLanguage() const
+{
+       if (params_.language->rightToLeft())
+               return true;
+       for (auto const & lang : UsedLanguages_)
+               if (lang->rightToLeft())
+                       return true;
+       return false;
+}
+
+
 namespace {
 
 char const * simplefeatures[] = {
 // note that the package order here will be the same in the LaTeX-output
        "array",
        "verbatim",
+       "cprotect",
        "longtable",
-       "rotating",
        "latexsym",
        "pifont",
        // subfig is handled in BufferParams.cpp
@@ -709,20 +1106,16 @@ char const * simplefeatures[] = {
          the `float' package. See the caption package documentation
          for explanation.*/
        "float",
-       "rotfloat",
        "wrapfig",
        "booktabs",
-       "dvipost",
        "fancybox",
        "calc",
        "units",
        "framed",
        "soul",
-       "textcomp",
-       "pmboxdraw",
+       "dingbat",
        "bbding",
        "ifsym",
-       "marvosym",
        "txfonts",
        "pxfonts",
        "mathdesign",
@@ -732,10 +1125,10 @@ char const * simplefeatures[] = {
        // "cancel",
        "ascii",
        "url",
-       "covington",
        "csquotes",
        "enumitem",
        "endnotes",
+       "enotez",
        "hhline",
        "ifthen",
        // listings is handled in BufferParams.cpp
@@ -748,13 +1141,25 @@ char const * simplefeatures[] = {
        "tfrupee",
        "shapepar",
        "rsphrase",
+       "hpstatement",
        "algorithm2e",
        "sectionbox",
        "tcolorbox",
        "pdfcomment",
        "fixme",
        "todonotes",
-       "forest"
+       "forest",
+       "varwidth",
+       "tablefootnote",
+       "afterpage",
+       "tabularx",
+       "tikz",
+       "xltabular",
+       "chessboard",
+       "xskak",
+       "pict2e",
+       "drs",
+       "environ"
 };
 
 char const * bibliofeatures[] = {
@@ -766,6 +1171,7 @@ char const * bibliofeatures[] = {
        "authordate1-4",
        "babelbib",
        "bibgerm",
+       "chapterbib",
        "chicago",
        "chscite",
        "harvard",
@@ -777,7 +1183,7 @@ int const nb_bibliofeatures = sizeof(bibliofeatures) / sizeof(char const *);
 
 int const nb_simplefeatures = sizeof(simplefeatures) / sizeof(char const *);
 
-}
+} // namespace
 
 
 string const LaTeXFeatures::getColorOptions() const
@@ -876,6 +1282,30 @@ string const LaTeXFeatures::getPackages() const
        // The rest of these packages are somewhat more complicated
        // than those above.
 
+       if (mustProvide("changebar")) {
+               packages << "\\usepackage";
+               if (runparams_.flavor == OutputParams::LATEX
+                   || runparams_.flavor == OutputParams::DVILUATEX)
+                       packages << "[dvips]";
+               packages << "{changebar}\n";
+       }
+
+       if (mustProvide("footnote")) {
+               if (isRequired("hyperref"))
+                       packages << "\\usepackage{footnotehyper}\n";
+               else
+                       packages << "\\usepackage{footnote}\n";
+       }
+
+       // [pdf]lscape is used to rotate longtables
+       if (mustProvide("lscape")) {
+               if (runparams_.flavor == OutputParams::LATEX
+                   || runparams_.flavor == OutputParams::DVILUATEX)
+                       packages << "\\usepackage{lscape}\n";
+               else
+                       packages << "\\usepackage{pdflscape}\n";
+       }
+
        // The tipa package and its extensions (tipx, tone) must not
        // be loaded with non-TeX fonts, since fontspec includes the
        // respective macros
@@ -883,24 +1313,34 @@ 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)
@@ -950,6 +1390,13 @@ string const LaTeXFeatures::getPackages() const
                                 << "]{graphicx}\n";
        }
 
+       // These must be loaded after graphicx, since they try
+       // to load graphicx without options
+       if (mustProvide("rotating"))
+               packages << "\\usepackage{rotating}\n";
+       if (mustProvide("rotfloat"))
+               packages << "\\usepackage{rotfloat}\n";
+
        // lyxskak.sty --- newer chess support based on skak.sty
        if (mustProvide("chess"))
                packages << "\\usepackage[ps,mover]{lyxskak}\n";
@@ -1000,12 +1447,18 @@ string const LaTeXFeatures::getPackages() const
        // 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") && !isProvided("natbib-internal")) {
+       if (mustProvide("natbib")
+           && !isProvided("natbib-internal")
+           && !isProvided("biblatex")
+           && !isProvided("biblatex-natbib")
+           && !isProvided("jurabib")) {
                packages << "\\usepackage[";
                if (params_.citeEngineType() == ENGINE_TYPE_NUMERICAL)
                        packages << "numbers";
                else
                        packages << "authoryear";
+               if (!params_.biblio_opts.empty())
+                       packages << ',' << params_.biblio_opts;
                packages << "]{natbib}\n";
        }
 
@@ -1017,8 +1470,16 @@ 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")
+           && !isProvided("natbib-internal")
+           && !isProvided("natbib")
+           && !isProvided("biblatex")
+           && !isProvided("biblatex-natbib")) {
+               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")) {
@@ -1063,53 +1524,55 @@ 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("xetexdashbreakstate"))
+               macros << "\\XeTeXdashbreakstate 0" << '\n';
+
        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';
        }
 
        if (mustProvide("LyX")) {
+               macros << "\\providecommand{\\LyX}";
+               // open conditional wrappers
+               if (runparams_.use_polyglossia && hasRTLLanguage())
+                       macros << "{\\@ensure@LTR";
                if (isRequired("hyperref"))
-                       macros << lyx_hyperref_def << '\n';
-               else
-                       macros << lyx_def << '\n';
+                       macros << "{\\texorpdfstring";
+               if (useBabel())
+                       macros << "{\\ensureascii";
+               // main definition
+               macros << lyx_def;
+               // close conditional wrappers
+               if (useBabel())
+                       macros << '}';
+               if (isRequired("hyperref"))
+                       macros << "{LyX}}";
+               if (runparams_.use_polyglossia && hasRTLLanguage())
+                       macros << '}';
+               macros << '\n';
        }
 
        if (mustProvide("noun"))
@@ -1118,22 +1581,49 @@ 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("textcyrillic")) {
+               // 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';
+
+       if (mustProvide("textschwa"))
+               macros << textschwa_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';
@@ -1181,6 +1671,20 @@ 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"))
@@ -1191,6 +1695,8 @@ 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"))
@@ -1199,8 +1705,19 @@ docstring const LaTeXFeatures::getMacros() const
        // greyed-out environment (note inset)
        // the color is specified in the routine
        // getColorOptions() to avoid LaTeX-package clashes
-       if (mustProvide("lyxgreyedout"))
-               macros << lyxgreyedout_def;
+       if (mustProvide("lyxgreyedout")) {
+               // We need different version for RTL (#8647)
+               if (hasRTLLanguage()) {
+                       if (runparams_.flavor == OutputParams::LUATEX)
+                               if (useBabel())
+                                       macros << lyxgreyedout_luartl_babel_def;
+                               else
+                                       macros << lyxgreyedout_luartl_def;
+                       else
+                               macros << lyxgreyedout_rtl_def;
+               } else
+                       macros << lyxgreyedout_def;
+       }
 
        if (mustProvide("lyxdot"))
                macros << lyxdot_def << '\n';
@@ -1212,11 +1729,8 @@ docstring const LaTeXFeatures::getMacros() const
                macros << lyxref_def << '\n';
 
        // change tracking
-       if (mustProvide("ct-dvipost"))
-               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}{"
@@ -1226,12 +1740,51 @@ 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;
-               else
-                       macros << changetracking_xcolor_ulem_def;
+               macros << changetracking_xcolor_ulem_base_def;
+
+               if (isRequired("changebar")) {
+                       if (isRequired("hyperref"))
+                               macros << changetracking_xcolor_ulem_hyperref_cb_def;
+                       else
+                               macros << changetracking_xcolor_ulem_cb_def;
+               } else {
+                       if (isRequired("hyperref"))
+                               macros << changetracking_xcolor_ulem_hyperref_def;
+                       else
+                               macros << changetracking_xcolor_ulem_def;
+               }
+       }
+
+       if (mustProvide("ct-tikz-object-sout")) {
+               if (!mustProvide("ct-xcolor-ulem")) {
+                       streamsize const prec = macros.os().precision(2);
+
+                       RGBColor cadd = rgbFromHexName(lcolor.getX11Name(Color_addedtext));
+                       macros << "\\providecolor{lyxadded}{rgb}{"
+                              << cadd.r / 255.0 << ',' << cadd.g / 255.0 << ',' << cadd.b / 255.0 << "}\n";
+       
+                       RGBColor cdel = rgbFromHexName(lcolor.getX11Name(Color_deletedtext));
+                       macros << "\\providecolor{lyxdeleted}{rgb}{"
+                              << cdel.r / 255.0 << ',' << cdel.g / 255.0 << ',' << cdel.b / 255.0 << "}\n";
+       
+                       macros.os().precision(prec);
+               }
+               
+               macros << changetracking_tikz_object_sout_def;
+               
+               if (isRequired("changebar")) {
+                       if (isRequired("hyperref"))
+                               macros << changetracking_xcolor_ulem_hyperref_cb_object_def;
+                       else
+                               macros << changetracking_xcolor_ulem_cb_object_def;
+               } else {
+                       if (isRequired("hyperref"))
+                               macros << changetracking_xcolor_ulem_hyperref_object_def;
+                       else
+                               macros << changetracking_xcolor_ulem_object_def;
+               }
        }
 
        if (mustProvide("ct-none"))
@@ -1240,19 +1793,20 @@ docstring const LaTeXFeatures::getMacros() const
        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';
 
@@ -1263,15 +1817,13 @@ 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';
 
@@ -1282,21 +1834,6 @@ string const LaTeXFeatures::getBabelPostsettings() const
 }
 
 
-bool LaTeXFeatures::needBabelLangOptions() const
-{
-       if (!lyxrc.language_global_options || params_.language->asBabelOptions())
-               return true;
-
-       LanguageList::const_iterator it  = UsedLanguages_.begin();
-       LanguageList::const_iterator end = UsedLanguages_.end();
-       for (; it != end; ++it)
-               if ((*it)->asBabelOptions())
-                       return true;
-
-       return false;
-}
-
-
 string const LaTeXFeatures::loadAMSPackages() const
 {
        ostringstream tmp;
@@ -1334,7 +1871,10 @@ 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();
@@ -1504,10 +2044,11 @@ docstring const i18npreamble(docstring const & templ, Language const * lang,
        return from_utf8(preamble);
 }
 
-}
+} // namespace
 
 
-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
@@ -1588,9 +2129,12 @@ docstring const LaTeXFeatures::getTClassI18nPreamble(bool use_babel, bool use_po
                // encodings, only with fixed width encodings. Therefore we
                // 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();
+               // This needs to be consistent with InsetListings::latex()
+               // rsp. InsetListings::forcedEncoding().
+               bool const need_fixedwidth = !use_minted &&
+                                       !runparams_.isFullUnicode() &&
+                                       buffer().params().encoding().package() != Encoding::japanese &&
+                                       it->second.fixedwidthpreambleencoding();
                // language dependent commands (once per document)
                snippets.insert(i18npreamble(it->second.langpreamble(),
                                                buffer().language(),
@@ -1656,7 +2200,7 @@ 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;
 }
@@ -1680,7 +2224,7 @@ BufferParams const & LaTeXFeatures::bufferParams() const
 }
 
 
-void LaTeXFeatures::getFloatDefinitions(odocstream & os) const
+void LaTeXFeatures::getFloatDefinitions(otexstream & os) const
 {
        FloatList const & floats = params_.documentClass().floats();
 
@@ -1783,4 +2327,24 @@ 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