]> git.lyx.org Git - lyx.git/blobdiff - src/TextClass.cpp
Update sk.po
[lyx.git] / src / TextClass.cpp
index c8a5301f1325d08af0f280254d60b1aca7936d1c..f6ec875167bec63b1b0186cbcdce79f05d840301 100644 (file)
 
 #include "TextClass.h"
 
-#include "LayoutFile.h"
 #include "CiteEnginesList.h"
-#include "Color.h"
 #include "Counters.h"
 #include "Floating.h"
 #include "FloatList.h"
 #include "Layout.h"
+#include "LayoutFile.h"
 #include "Lexer.h"
-#include "Font.h"
 #include "ModuleList.h"
 
 #include "frontends/alert.h"
 
 #include "support/lassert.h"
 #include "support/debug.h"
-#include "support/ExceptionMessage.h"
 #include "support/FileName.h"
 #include "support/filetools.h"
 #include "support/gettext.h"
@@ -62,7 +59,7 @@ namespace lyx {
 // You should also run the development/tools/updatelayouts.py script,
 // to update the format of all of our layout files.
 //
-int const LAYOUT_FORMAT = 67; //spitz: New layout tag NeedsCProtect
+int const LAYOUT_FORMAT = 104; // rkh: RefFormat for counters
 
 
 // Layout format for the current lyx file format. Controls which format is
@@ -72,20 +69,6 @@ int const LYXFILE_LAYOUT_FORMAT = LAYOUT_FORMAT;
 
 namespace {
 
-class LayoutNamesEqual : public unary_function<Layout, bool> {
-public:
-       LayoutNamesEqual(docstring const & name)
-               : name_(name)
-       {}
-       bool operator()(Layout const & c) const
-       {
-               return c.name() == name_;
-       }
-private:
-       docstring name_;
-};
-
-
 bool layout2layout(FileName const & filename, FileName const & tempfile,
                    int const format = LAYOUT_FORMAT)
 {
@@ -106,7 +89,7 @@ bool layout2layout(FileName const & filename, FileName const & tempfile,
        LYXERR(Debug::TCLASS, "Running `" << command_str << '\'');
 
        cmd_ret const ret = runCommand(command_str);
-       if (ret.first != 0) {
+       if (!ret.valid) {
                if (format == LAYOUT_FORMAT)
                        LYXERR0("Conversion of layout with layout2layout.py has failed.");
                return false;
@@ -150,21 +133,22 @@ docstring const TextClass::plain_layout_ = from_ascii(N_("Plain Layout"));
 TextClass::TextClass()
        : loaded_(false), tex_class_avail_(false),
          opt_enginetype_("authoryear|numerical"), opt_fontsize_("10|11|12"),
-         opt_pagestyle_("empty|plain|headings|fancy"), pagestyle_("default"),
-         columns_(1), sides_(OneSide), secnumdepth_(3), tocdepth_(3),
-         outputType_(LATEX), outputFormat_("latex"), has_output_format_(false),
-         defaultfont_(sane_font),
+         opt_pagesize_("default|a4|a5|b5|letter|legal|executive"),
+         opt_pagestyle_("empty|plain|headings|fancy"), fontsize_format_("$$spt"), pagesize_("default"),
+         pagesize_format_("$$spaper"), pagestyle_("default"), tablestyle_("default"),
+         docbookroot_("article"), docbookforceabstract_(false),
+         columns_(1), sides_(OneSide), secnumdepth_(3), tocdepth_(3), outputType_(LATEX),
+         outputFormat_("latex"), has_output_format_(false), defaultfont_(sane_font), 
          titletype_(TITLE_COMMAND_AFTER), titlename_("maketitle"),
          min_toclevel_(0), max_toclevel_(0), maxcitenames_(2),
-         cite_full_author_list_(true)
-{
+         cite_full_author_list_(true), bibintoc_(false) {
 }
 
 
-bool TextClass::readStyle(Lexer & lexrc, Layout & lay) const
+bool TextClass::readStyle(Lexer & lexrc, Layout & lay, ReadType rt) const
 {
        LYXERR(Debug::TCLASS, "Reading style " << to_utf8(lay.name()));
-       if (!lay.read(lexrc, *this)) {
+       if (!lay.read(lexrc, *this, rt == VALIDATION)) {
                LYXERR0("Error parsing style `" << to_utf8(lay.name()) << '\'');
                return false;
        }
@@ -181,16 +165,20 @@ enum TextClassTags {
        TC_OUTPUTTYPE = 1,
        TC_OUTPUTFORMAT,
        TC_INPUT,
+       TC_INPUT_GLOBAL,
        TC_STYLE,
        TC_MODIFYSTYLE,
        TC_PROVIDESTYLE,
        TC_DEFAULTSTYLE,
        TC_INSETLAYOUT,
+       TC_MODIFYINSETLAYOUT,
+       TC_PROVIDEINSETLAYOUT,
        TC_NOINSETLAYOUT,
        TC_NOSTYLE,
        TC_COLUMNS,
        TC_SIDES,
        TC_PAGESTYLE,
+       TC_PAGESIZE,
        TC_DEFAULTFONT,
        TC_SECNUMDEPTH,
        TC_TOCDEPTH,
@@ -219,22 +207,29 @@ enum TextClassTags {
        TC_EXCLUDESMODULE,
        TC_HTMLTOCSECTION,
        TC_CITEENGINE,
+       TC_ADDTOCITEENGINE,
        TC_CITEENGINETYPE,
        TC_CITEFORMAT,
        TC_CITEFRAMEWORK,
        TC_MAXCITENAMES,
        TC_DEFAULTBIBLIO,
        TC_FULLAUTHORLIST,
-       TC_OUTLINERNAME
+       TC_OUTLINERNAME,
+       TC_TABLESTYLE,
+       TC_BIBINTOC,
+       TC_DOCBOOKROOT,
+       TC_DOCBOOKFORCEABSTRACT
 };
 
 
 namespace {
 
 LexerKeyword textClassTags[] = {
+       { "addtociteengine",   TC_ADDTOCITEENGINE },
        { "addtohtmlpreamble", TC_ADDTOHTMLPREAMBLE },
        { "addtohtmlstyles",   TC_ADDTOHTMLSTYLES },
        { "addtopreamble",     TC_ADDTOPREAMBLE },
+       { "bibintoc",          TC_BIBINTOC },
        { "citeengine",        TC_CITEENGINE },
        { "citeenginetype",    TC_CITEENGINETYPE },
        { "citeformat",        TC_CITEFORMAT },
@@ -246,6 +241,8 @@ LexerKeyword textClassTags[] = {
        { "defaultfont",       TC_DEFAULTFONT },
        { "defaultmodule",     TC_DEFAULTMODULE },
        { "defaultstyle",      TC_DEFAULTSTYLE },
+       { "docbookforceabstract", TC_DOCBOOKFORCEABSTRACT },
+       { "docbookroot",       TC_DOCBOOKROOT },
        { "excludesmodule",    TC_EXCLUDESMODULE },
        { "float",             TC_FLOAT },
        { "format",            TC_FORMAT },
@@ -255,9 +252,11 @@ LexerKeyword textClassTags[] = {
        { "htmltocsection",    TC_HTMLTOCSECTION },
        { "ifcounter",         TC_IFCOUNTER },
        { "input",             TC_INPUT },
+       { "inputglobal",       TC_INPUT_GLOBAL },
        { "insetlayout",       TC_INSETLAYOUT },
        { "leftmargin",        TC_LEFTMARGIN },
        { "maxcitenames",      TC_MAXCITENAMES },
+       { "modifyinsetlayout", TC_MODIFYINSETLAYOUT },
        { "modifystyle",       TC_MODIFYSTYLE },
        { "nocounter",         TC_NOCOUNTER },
        { "nofloat",           TC_NOFLOAT },
@@ -267,8 +266,10 @@ LexerKeyword textClassTags[] = {
        { "outputformat",      TC_OUTPUTFORMAT },
        { "outputtype",        TC_OUTPUTTYPE },
        { "packageoptions",    TC_PKGOPTS },
+       { "pagesize",          TC_PAGESIZE },
        { "pagestyle",         TC_PAGESTYLE },
        { "preamble",          TC_PREAMBLE },
+       { "provideinsetlayout", TC_PROVIDEINSETLAYOUT },
        { "provides",          TC_PROVIDES },
        { "providesmodule",    TC_PROVIDESMODULE },
        { "providestyle",      TC_PROVIDESTYLE },
@@ -277,6 +278,7 @@ LexerKeyword textClassTags[] = {
        { "secnumdepth",       TC_SECNUMDEPTH },
        { "sides",             TC_SIDES },
        { "style",             TC_STYLE },
+       { "tablestyle",        TC_TABLESTYLE },
        { "titlelatexname",    TC_TITLELATEXNAME },
        { "titlelatextype",    TC_TITLELATEXTYPE },
        { "tocdepth",          TC_TOCDEPTH }
@@ -433,9 +435,10 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                }
 
                // used below to track whether we are in an IfStyle or IfCounter tag.
-               bool modifystyle  = false;
-               bool providestyle = false;
+               bool modify  = false;
+               bool provide = false;
                bool ifcounter    = false;
+               bool only_global  = false;
 
                switch (static_cast<TextClassTags>(le)) {
 
@@ -457,15 +460,15 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                        case LATEX:
                                outputFormat_ = "latex";
                                break;
-                       case DOCBOOK:
-                               outputFormat_ = "docbook";
-                               break;
                        case LITERATE:
                                outputFormat_ = "literate";
                                break;
                        }
                        break;
 
+               case TC_INPUT_GLOBAL:
+                       only_global = true;
+               // fall through
                case TC_INPUT: // Include file
                        if (lexrc.next()) {
                                FileName tmp;
@@ -473,9 +476,13 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                                if (!path().empty() && (prefixIs(inc, "./") ||
                                                        prefixIs(inc, "../")))
                                        tmp = fileSearch(path(), inc, "layout");
-                               else
+                               else {
+                                       // InputGlobal only searches in the system and
+                                       // build directories. This allows to reuse and
+                                       // modify files in the user directory.
                                        tmp = libFileSearch("layouts", inc,
-                                                           "layout");
+                                                           "layout", must_exist, only_global);
+                               }
 
                                if (tmp.empty()) {
                                        lexrc.printError("Could not find input file: " + inc);
@@ -496,13 +503,13 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                        break;
 
                case TC_MODIFYSTYLE:
-                       modifystyle = true;
+                       modify = true;
                // fall through
                case TC_PROVIDESTYLE:
                        // if modifystyle is true, then we got here by falling through
                        // so we are not in an ProvideStyle block
-                       if (!modifystyle)
-                               providestyle = true;
+                       if (!modify)
+                               provide = true;
                // fall through
                case TC_STYLE: {
                        if (!lexrc.next()) {
@@ -519,7 +526,7 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                                Layout lay;
                                // Since we couldn't read the name, we just scan the rest
                                // of the style and discard it.
-                               error = !readStyle(lexrc, lay);
+                               error = !readStyle(lexrc, lay, rt);
                                break;
                        }
 
@@ -528,16 +535,16 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                        // If the layout already exists, then we want to add it to
                        // the existing layout, as long as we are not in an ProvideStyle
                        // block.
-                       if (have_layout && !providestyle) {
+                       if (have_layout && !provide) {
                                Layout & lay = operator[](name);
-                               error = !readStyle(lexrc, lay);
+                               error = !readStyle(lexrc, lay, rt);
                        }
                        // If the layout does not exist, then we want to create a new
                        // one, but not if we are in a ModifyStyle block.
-                       else if (!have_layout && !modifystyle) {
+                       else if (!have_layout && !modify) {
                                Layout layout;
                                layout.setName(name);
-                               error = !readStyle(lexrc, layout);
+                               error = !readStyle(lexrc, layout, rt);
                                if (!error)
                                        layoutlist_.push_back(layout);
 
@@ -555,7 +562,7 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                        else {
                                Layout lay;
                                // signal to coverity that we do not care about the result
-                               (void)readStyle(lexrc, lay);
+                               (void)readStyle(lexrc, lay, rt);
                        }
                        break;
                }
@@ -600,6 +607,11 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                        }
                        break;
 
+               case TC_PAGESIZE:
+                       lexrc.next();
+                       pagesize_ = rtrim(lexrc.getString());
+                       break;
+
                case TC_PAGESTYLE:
                        lexrc.next();
                        pagestyle_ = rtrim(lexrc.getString());
@@ -672,14 +684,14 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                        lexrc.eatLine();
                        vector<string> const req
                                = getVectorFromString(lexrc.getString());
-                       requires_.insert(req.begin(), req.end());
+                       required_.insert(req.begin(), req.end());
                        break;
                }
 
                case TC_PKGOPTS : {
                        lexrc.next();
                        string const pkg = lexrc.getString();
-                       lexrc.next();
+                       lexrc.eatLine();
                        string const options = lexrc.getString();
                        package_options_[pkg] = options;
                        break;
@@ -724,6 +736,15 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                                rightmargin_ = lexrc.getDocString();
                        break;
 
+               case TC_MODIFYINSETLAYOUT:
+                       modify = true;
+               // fall through
+               case TC_PROVIDEINSETLAYOUT:
+                       // if modifyinsetlayout is true, then we got here by falling through
+                       // so we are not in an ProvideInsetLayout block
+                       if (!modify)
+                               provide = true;
+               // fall through
                case TC_INSETLAYOUT: {
                        if (!lexrc.next()) {
                                lexrc.printError("No name given for InsetLayout: `$$Token'.");
@@ -731,6 +752,8 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                                break;
                        }
                        docstring const name = subst(lexrc.getDocString(), '_', ' ');
+                       bool const validating = (rt == VALIDATION);
+                       bool const have_layout = name.empty() ? false : hasInsetLayout(name);
                        if (name.empty()) {
                                string s = "Could not read name for InsetLayout: `$$Token' "
                                        + lexrc.getString() + " is probably not valid UTF-8!";
@@ -739,17 +762,23 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                                // Since we couldn't read the name, we just scan the rest
                                // of the style and discard it.
                                il.read(lexrc, *this);
-                               // Let's try to continue rather than abort.
-                               // error = true;
-                       } else if (hasInsetLayout(name)) {
+                               // Let's try to continue rather than abort, unless we're validating
+                               // in which case we want to report the error
+                               if (validating)
+                                       error = true;
+                       } else if (have_layout && !provide) {
                                InsetLayout & il = insetlayoutlist_[name];
-                               error = !il.read(lexrc, *this);
-                       } else {
+                               error = !il.read(lexrc, *this, validating);
+                       } else if (!modify && !have_layout) {
                                InsetLayout il;
                                il.setName(name);
-                               error = !il.read(lexrc, *this);
+                               error = !il.read(lexrc, *this, validating);
                                if (!error)
                                        insetlayoutlist_[name] = il;
+                       } else {
+                               InsetLayout il;
+                               // We just scan the rest of the style and discard it.
+                               il.read(lexrc, *this);
                        }
                        break;
                }
@@ -759,7 +788,11 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                        break;
 
                case TC_CITEENGINE:
-                       error = !readCiteEngine(lexrc);
+                       error = !readCiteEngine(lexrc, rt);
+                       break;
+
+               case TC_ADDTOCITEENGINE:
+                       error = !readCiteEngine(lexrc, rt, true);
                        break;
 
                case TC_CITEENGINETYPE:
@@ -768,7 +801,7 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                        break;
 
                case TC_CITEFORMAT:
-                       error = !readCiteFormat(lexrc);
+                       error = !readCiteFormat(lexrc, rt);
                        break;
 
                case TC_CITEFRAMEWORK:
@@ -785,23 +818,26 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                        if (lexrc.next()) {
                                vector<string> const dbs =
                                        getVectorFromString(rtrim(lexrc.getString()), "|");
-                               vector<string>::const_iterator it  = dbs.begin();
-                               vector<string>::const_iterator end = dbs.end();
-                               for (; it != end; ++it) {
-                                       if (!contains(*it, ':')) {
+                               for (auto const & dbase : dbs) {
+                                       if (!contains(dbase, ':')) {
                                                vector<string> const enginetypes =
                                                        getVectorFromString(opt_enginetype_, "|");
-                                               for (string const &s: enginetypes)
-                                                       cite_default_biblio_style_[s] = *it;
+                                               for (string const & s: enginetypes)
+                                                       cite_default_biblio_style_[s] = dbase;
                                        } else {
                                                string eng;
-                                               string const db = split(*it, eng, ':');
+                                               string const db = split(dbase, eng, ':');
                                                cite_default_biblio_style_[eng] = db;
                                        }
                                }
                        }
                        break;
 
+               case TC_BIBINTOC:
+                       if (lexrc.next())
+                               bibintoc_ = lexrc.getBool();
+                       break;
+
                case TC_FULLAUTHORLIST:
                        if (lexrc.next())
                                cite_full_author_list_ &= lexrc.getBool();
@@ -857,6 +893,21 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
                case TC_OUTLINERNAME:
                        error = !readOutlinerName(lexrc);
                        break;
+
+               case TC_TABLESTYLE:
+                       lexrc.next();
+                       tablestyle_ = rtrim(lexrc.getString());
+                       break;
+
+               case TC_DOCBOOKROOT:
+                       if (lexrc.next())
+                               docbookroot_ = lexrc.getString();
+                       break;
+
+               case TC_DOCBOOKFORCEABSTRACT:
+                       if (lexrc.next())
+                               docbookforceabstract_ = lexrc.getBool();
+                       break;
                } // end of switch
        }
 
@@ -884,7 +935,7 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
        // If we do not succeed, then it was not there, which means that
        // the textclass did not provide the definitions of the standard
        // insets. So we need to try to load them.
-       int erased = provides_.erase("stdinsets");
+       size_type const erased = provides_.erase("stdinsets");
        if (!erased) {
                FileName tmp = libFileSearch("layouts", "stdinsets.inc");
 
@@ -901,10 +952,8 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
 
        min_toclevel_ = Layout::NOT_IN_TOC;
        max_toclevel_ = Layout::NOT_IN_TOC;
-       const_iterator lit = begin();
-       const_iterator len = end();
-       for (; lit != len; ++lit) {
-               int const toclevel = lit->toclevel;
+       for (auto const & lay : *this) {
+               int const toclevel = lay.toclevel;
                if (toclevel != Layout::NOT_IN_TOC) {
                        if (min_toclevel_ == Layout::NOT_IN_TOC)
                                min_toclevel_ = toclevel;
@@ -948,7 +997,6 @@ void TextClass::readTitleType(Lexer & lexrc)
 void TextClass::readOutputType(Lexer & lexrc)
 {
        LexerKeyword outputTypeTags[] = {
-               { "docbook",  DOCBOOK },
                { "latex",    LATEX },
                { "literate", LITERATE }
        };
@@ -961,7 +1009,6 @@ void TextClass::readOutputType(Lexer & lexrc)
                lexrc.printError("Unknown output type `$$Token'");
                return;
        case LATEX:
-       case DOCBOOK:
        case LITERATE:
                outputType_ = static_cast<OutputType>(le);
                break;
@@ -976,17 +1023,21 @@ void TextClass::readClassOptions(Lexer & lexrc)
 {
        enum {
                CO_FONTSIZE = 1,
+               CO_FONTSIZE_FORMAT,
+               CO_PAGESIZE,
+               CO_PAGESIZE_FORMAT,
                CO_PAGESTYLE,
                CO_OTHER,
-               CO_HEADER,
                CO_END
        };
 
        LexerKeyword classOptionsTags[] = {
                {"end",       CO_END },
                {"fontsize",  CO_FONTSIZE },
-               {"header",    CO_HEADER },
+               {"fontsizeformat", CO_FONTSIZE_FORMAT },
                {"other",     CO_OTHER },
+               {"pagesize",  CO_PAGESIZE },
+               {"pagesizeformat", CO_PAGESIZE_FORMAT },
                {"pagestyle", CO_PAGESTYLE }
        };
 
@@ -1006,6 +1057,18 @@ void TextClass::readClassOptions(Lexer & lexrc)
                        lexrc.next();
                        opt_fontsize_ = rtrim(lexrc.getString());
                        break;
+               case CO_FONTSIZE_FORMAT:
+                       lexrc.next();
+                       fontsize_format_ = rtrim(lexrc.getString());
+                       break;
+               case CO_PAGESIZE:
+                       lexrc.next();
+                       opt_pagesize_ = rtrim(lexrc.getString());
+                       break;
+               case CO_PAGESIZE_FORMAT:
+                       lexrc.next();
+                       pagesize_format_ = rtrim(lexrc.getString());
+                       break;
                case CO_PAGESTYLE:
                        lexrc.next();
                        opt_pagestyle_ = rtrim(lexrc.getString());
@@ -1017,10 +1080,6 @@ void TextClass::readClassOptions(Lexer & lexrc)
                        else
                                options_ += ',' + lexrc.getString();
                        break;
-               case CO_HEADER:
-                       lexrc.next();
-                       class_header_ = subst(lexrc.getString(), "&quot;", "\"");
-                       break;
                case CO_END:
                        getout = true;
                        break;
@@ -1030,15 +1089,46 @@ void TextClass::readClassOptions(Lexer & lexrc)
 }
 
 
-bool TextClass::readCiteEngine(Lexer & lexrc)
+vector<CitationStyle> const & TextClass::getCiteStyles(
+       CiteEngineType const & type) const
+{
+       static vector<CitationStyle> empty;
+       map<CiteEngineType, vector<CitationStyle> >::const_iterator it = cite_styles_.find(type);
+       if (it == cite_styles_.end())
+               return empty;
+       return it->second;
+}
+
+
+bool TextClass::readCiteEngine(Lexer & lexrc, ReadType rt, bool const add)
 {
        int const type = readCiteEngineType(lexrc);
-       if (type & ENGINE_TYPE_AUTHORYEAR)
-               cite_styles_[ENGINE_TYPE_AUTHORYEAR].clear();
-       if (type & ENGINE_TYPE_NUMERICAL)
-               cite_styles_[ENGINE_TYPE_NUMERICAL].clear();
-       if (type & ENGINE_TYPE_DEFAULT)
-               cite_styles_[ENGINE_TYPE_DEFAULT].clear();
+       bool authoryear = (type & ENGINE_TYPE_AUTHORYEAR);
+       bool numerical = (type & ENGINE_TYPE_NUMERICAL);
+       bool defce = (type & ENGINE_TYPE_DEFAULT);
+
+       if (rt == CITE_ENGINE) {
+               // The cite engines are not supposed to overwrite
+               // CiteStyle defined by the class or a module.
+               if (authoryear)
+                       authoryear = getCiteStyles(ENGINE_TYPE_AUTHORYEAR).empty();
+               if (numerical)
+                       numerical = getCiteStyles(ENGINE_TYPE_NUMERICAL).empty();
+               if (defce)
+                       defce = getCiteStyles(ENGINE_TYPE_DEFAULT).empty();
+       }
+
+       if (rt != CITE_ENGINE && !add) {
+               // Reset if we defined CiteStyle
+               // from the class or a module
+               if (authoryear)
+                       cite_styles_[ENGINE_TYPE_AUTHORYEAR].clear();
+               if (numerical)
+                       cite_styles_[ENGINE_TYPE_NUMERICAL].clear();
+               if (defce)
+                       cite_styles_[ENGINE_TYPE_DEFAULT].clear();
+       }
+
        string def;
        bool getout = false;
        while (!getout && lexrc.isOK()) {
@@ -1120,22 +1210,73 @@ bool TextClass::readCiteEngine(Lexer & lexrc)
                cs.cmd = latex_cmd.empty() ? lyx_cmd : latex_cmd;
                if (!alias.empty()) {
                        vector<string> const aliases = getVectorFromString(alias);
-                       for (string const &s: aliases)
+                       for (string const & s: aliases)
                                cite_command_aliases_[s] = lyx_cmd;
                }
                vector<string> const stardescs = getVectorFromString(stardesc, "!");
-               int size = stardesc.size();
+               int size = int(stardesc.size());
                if (size > 0)
                        cs.stardesc = stardescs[0];
                if (size > 1)
                        cs.startooltip = stardescs[1];
+               if (add) {
+                       if (authoryear)
+                               class_cite_styles_[ENGINE_TYPE_AUTHORYEAR].push_back(cs);
+                       if (numerical)
+                               class_cite_styles_[ENGINE_TYPE_NUMERICAL].push_back(cs);
+                       if (defce)
+                               class_cite_styles_[ENGINE_TYPE_DEFAULT].push_back(cs);
+               } else {
+                       if (authoryear)
+                               cite_styles_[ENGINE_TYPE_AUTHORYEAR].push_back(cs);
+                       if (numerical)
+                               cite_styles_[ENGINE_TYPE_NUMERICAL].push_back(cs);
+                       if (defce)
+                               cite_styles_[ENGINE_TYPE_DEFAULT].push_back(cs);
+               }
+       }
+       // If we do AddToCiteEngine, do not apply yet,
+       // except if we have already a style to add something to
+       bool apply_ay = !add;
+       bool apply_num = !add;
+       bool apply_def = !add;
+       if (add) {
                if (type & ENGINE_TYPE_AUTHORYEAR)
-                       cite_styles_[ENGINE_TYPE_AUTHORYEAR].push_back(cs);
+                       apply_ay = !getCiteStyles(ENGINE_TYPE_AUTHORYEAR).empty();
                if (type & ENGINE_TYPE_NUMERICAL)
-                       cite_styles_[ENGINE_TYPE_NUMERICAL].push_back(cs);
+                       apply_num = !getCiteStyles(ENGINE_TYPE_NUMERICAL).empty();
                if (type & ENGINE_TYPE_DEFAULT)
-                       cite_styles_[ENGINE_TYPE_DEFAULT].push_back(cs);
+                       apply_def = !getCiteStyles(ENGINE_TYPE_DEFAULT).empty();
+       }
+
+       // Add the styles from AddToCiteEngine to the class' styles
+       // (but only if they are not yet defined)
+       for (auto const & cis : class_cite_styles_) {
+               // Only consider the current CiteEngineType
+               if (!(type & cis.first))
+                       continue;
+               for (auto const & ciss : cis.second) {
+                       bool defined = false;
+                       // Check if the style "name" is already def'ed
+                       for (auto const & av : getCiteStyles(cis.first))
+                               if (av.name == ciss.name)
+                                       defined = true;
+                       if (!defined) {
+                               if (cis.first == ENGINE_TYPE_AUTHORYEAR && apply_ay)
+                                       cite_styles_[ENGINE_TYPE_AUTHORYEAR].push_back(ciss);
+                               else if (cis.first == ENGINE_TYPE_NUMERICAL && apply_num)
+                                       cite_styles_[ENGINE_TYPE_NUMERICAL].push_back(ciss);
+                               else if (cis.first == ENGINE_TYPE_DEFAULT && apply_def)
+                                       cite_styles_[ENGINE_TYPE_DEFAULT].push_back(ciss);
+                       }
+               }
        }
+       if (type & ENGINE_TYPE_AUTHORYEAR && apply_ay)
+               class_cite_styles_[ENGINE_TYPE_AUTHORYEAR].clear();
+       if (type & ENGINE_TYPE_NUMERICAL && apply_num)
+               class_cite_styles_[ENGINE_TYPE_NUMERICAL].clear();
+       if (type & ENGINE_TYPE_DEFAULT && apply_def)
+               class_cite_styles_[ENGINE_TYPE_DEFAULT].clear();
        return getout;
 }
 
@@ -1163,11 +1304,14 @@ int TextClass::readCiteEngineType(Lexer & lexrc) const
 }
 
 
-bool TextClass::readCiteFormat(Lexer & lexrc)
+bool TextClass::readCiteFormat(Lexer & lexrc, ReadType rt)
 {
        int const type = readCiteEngineType(lexrc);
        string etype;
        string definition;
+       // Cite engine definitions do not overwrite existing
+       // definitions from the class or a module
+       bool const overwrite = rt != CITE_ENGINE;
        while (lexrc.isOK()) {
                lexrc.next();
                etype = lexrc.getString();
@@ -1181,19 +1325,61 @@ bool TextClass::readCiteFormat(Lexer & lexrc)
                if (initchar == '#')
                        continue;
                if (initchar == '!' || initchar == '_' || prefixIs(etype, "B_")) {
-                       if (type & ENGINE_TYPE_AUTHORYEAR)
-                               cite_macros_[ENGINE_TYPE_AUTHORYEAR][etype] = definition;
-                       if (type & ENGINE_TYPE_NUMERICAL)
-                               cite_macros_[ENGINE_TYPE_NUMERICAL][etype] = definition;
-                       if (type & ENGINE_TYPE_DEFAULT)
-                               cite_macros_[ENGINE_TYPE_DEFAULT][etype] = definition;
+                       bool defined = false;
+                       bool aydefined = false;
+                       bool numdefined = false;
+                       // Check if the macro is already def'ed
+                       for (auto const & cm : cite_macros_) {
+                               if (!(type & cm.first))
+                                       continue;
+                               if (cm.second.find(etype) != cm.second.end()) {
+                                       if (type == cm.first)
+                                               // defined as default or specific type
+                                               defined = true;
+                                       if (cm.first == ENGINE_TYPE_AUTHORYEAR)
+                                               // defined for author-year
+                                               aydefined = true;
+                                       else if (cm.first == ENGINE_TYPE_NUMERICAL)
+                                               // defined for numerical
+                                               numdefined = true;
+                               }
+                       }
+                       if (!defined || overwrite) {
+                               if (type & ENGINE_TYPE_AUTHORYEAR && (type != ENGINE_TYPE_DEFAULT || !aydefined))
+                                       cite_macros_[ENGINE_TYPE_AUTHORYEAR][etype] = definition;
+                               if (type & ENGINE_TYPE_NUMERICAL && (type != ENGINE_TYPE_DEFAULT || !numdefined))
+                                       cite_macros_[ENGINE_TYPE_NUMERICAL][etype] = definition;
+                               if (type == ENGINE_TYPE_DEFAULT)
+                                       cite_macros_[ENGINE_TYPE_DEFAULT][etype] = definition;
+                       }
                } else {
-                       if (type & ENGINE_TYPE_AUTHORYEAR)
-                               cite_formats_[ENGINE_TYPE_AUTHORYEAR][etype] = definition;
-                       if (type & ENGINE_TYPE_NUMERICAL)
-                               cite_formats_[ENGINE_TYPE_NUMERICAL][etype] = definition;
-                       if (type & ENGINE_TYPE_DEFAULT)
-                               cite_formats_[ENGINE_TYPE_DEFAULT][etype] = definition;
+                       bool defined = false;
+                       bool aydefined = false;
+                       bool numdefined = false;
+                       // Check if the format is already def'ed
+                       for (auto const & cm : cite_formats_) {
+                               if (!(type & cm.first))
+                                       continue;
+                               if (cm.second.find(etype) != cm.second.end()) {
+                                       if (type == cm.first)
+                                               // defined as default or specific type
+                                               defined = true;
+                                       if (cm.first == ENGINE_TYPE_AUTHORYEAR)
+                                               // defined for author-year
+                                               aydefined = true;
+                                       else if (cm.first == ENGINE_TYPE_NUMERICAL)
+                                               // defined for numerical
+                                               numdefined = true;
+                               }
+                       }
+                       if (!defined || overwrite){
+                               if (type & ENGINE_TYPE_AUTHORYEAR && (type != ENGINE_TYPE_DEFAULT || !aydefined))
+                                       cite_formats_[ENGINE_TYPE_AUTHORYEAR][etype] = definition;
+                               if (type & ENGINE_TYPE_NUMERICAL && (type != ENGINE_TYPE_DEFAULT || !numdefined))
+                                       cite_formats_[ENGINE_TYPE_NUMERICAL][etype] = definition;
+                               if (type == ENGINE_TYPE_DEFAULT)
+                                       cite_formats_[ENGINE_TYPE_DEFAULT][etype] = definition;
+                       }
                }
        }
        return true;
@@ -1215,11 +1401,18 @@ bool TextClass::readFloat(Lexer & lexrc)
                FT_HTMLSTYLE,
                FT_HTMLATTR,
                FT_HTMLTAG,
+               FT_DOCBOOKATTR,
+               FT_DOCBOOKFLOATTYPE,
+               FT_DOCBOOKTAG,
+               FT_DOCBOOKTAGTYPE,
+               FT_DOCBOOKCAPTION,
                FT_LISTCOMMAND,
                FT_REFPREFIX,
                FT_ALLOWED_PLACEMENT,
                FT_ALLOWS_SIDEWAYS,
-               FT_ALLOWS_WIDE,
+               FT_ALLOWS_WIDE,
+               FT_REQUIRES,
+               FT_PRETTYFORMAT,
                FT_END
        };
 
@@ -1227,6 +1420,11 @@ bool TextClass::readFloat(Lexer & lexrc)
                { "allowedplacement", FT_ALLOWED_PLACEMENT },
                { "allowssideways", FT_ALLOWS_SIDEWAYS },
                { "allowswide", FT_ALLOWS_WIDE },
+               { "docbookattr", FT_DOCBOOKATTR },
+               { "docbookcaption", FT_DOCBOOKCAPTION },
+               { "docbookfloattype", FT_DOCBOOKFLOATTYPE },
+               { "docbooktag", FT_DOCBOOKTAG },
+               { "docbooktagtype", FT_DOCBOOKTAGTYPE },
                { "end", FT_END },
                { "extension", FT_EXT },
                { "guiname", FT_NAME },
@@ -1238,7 +1436,9 @@ bool TextClass::readFloat(Lexer & lexrc)
                { "listname", FT_LISTNAME },
                { "numberwithin", FT_WITHIN },
                { "placement", FT_PLACEMENT },
+               { "prettyformat", FT_PRETTYFORMAT },
                { "refprefix", FT_REFPREFIX },
+               { "requires", FT_REQUIRES },
                { "style", FT_STYLE },
                { "type", FT_TYPE },
                { "usesfloatpkg", FT_USESFLOAT }
@@ -1250,6 +1450,11 @@ bool TextClass::readFloat(Lexer & lexrc)
        string htmlattr;
        docstring htmlstyle;
        string htmltag;
+       string docbookattr;
+       string docbookcaption;
+       string docbooktag;
+       string docbooktagtype;
+       string docbookfloattype;
        string listname;
        string listcommand;
        string name;
@@ -1259,6 +1464,8 @@ bool TextClass::readFloat(Lexer & lexrc)
        string style;
        string type;
        string within;
+       string required;
+       docstring prettyformat;
        bool usesfloat = true;
        bool ispredefined = false;
        bool allowswide = true;
@@ -1334,6 +1541,10 @@ bool TextClass::readFloat(Lexer & lexrc)
                        lexrc.next();
                        usesfloat = lexrc.getBool();
                        break;
+               case FT_REQUIRES:
+                       lexrc.next();
+                       required = lexrc.getString();
+                       break;
                case FT_PREDEFINED:
                        lexrc.next();
                        ispredefined = lexrc.getBool();
@@ -1358,9 +1569,36 @@ bool TextClass::readFloat(Lexer & lexrc)
                        lexrc.next();
                        htmltag = lexrc.getString();
                        break;
+               case FT_PRETTYFORMAT:
+                       lexrc.next();
+                       prettyformat = lexrc.getDocString();
+                       break;
+               case FT_DOCBOOKATTR:
+                       lexrc.next();
+                       docbookattr = lexrc.getString();
+                       break;
+               case FT_DOCBOOKCAPTION:
+                       lexrc.next();
+                       docbookcaption = lexrc.getString();
+                       break;
+               case FT_DOCBOOKTAG:
+                       lexrc.next();
+                       docbooktag = lexrc.getString();
+                       break;
+               case FT_DOCBOOKTAGTYPE:
+                       lexrc.next();
+                       docbooktagtype = lexrc.getString();
+                       break;
+               case FT_DOCBOOKFLOATTYPE:
+                       lexrc.next();
+                       docbookfloattype = lexrc.getString();
+                       break;
                case FT_END:
                        getout = true;
                        break;
+               default:
+                       LYXERR0("Unhandled value " << le << " in TextClass::readFloat.");
+                       break;
                }
        }
 
@@ -1371,11 +1609,9 @@ bool TextClass::readFloat(Lexer & lexrc)
                if (!usesfloat && listcommand.empty()) {
                        // if this float uses the same auxfile as an existing one,
                        // there is no need for it to provide a list command.
-                       FloatList::const_iterator it = floatlist_.begin();
-                       FloatList::const_iterator en = floatlist_.end();
                        bool found_ext = false;
-                       for (; it != en; ++it) {
-                               if (it->second.ext() == ext) {
+                       for (auto const & f : floatlist_) {
+                               if (f.second.ext() == ext) {
                                        found_ext = true;
                                        break;
                                }
@@ -1386,17 +1622,23 @@ bool TextClass::readFloat(Lexer & lexrc)
                                  "not be able to produce a float list.");
                }
                Floating fl(type, placement, ext, within, style, name,
-                           listname, listcommand, refprefix, allowed_placement,
-                           htmltag, htmlattr, htmlstyle, usesfloat, ispredefined,
-                           allowswide, allowssideways);
+                       listname, listcommand, refprefix, allowed_placement,
+                       htmltag, htmlattr, htmlstyle, docbooktag, docbookattr,
+                       docbooktagtype, docbookfloattype, docbookcaption,
+                       required, usesfloat, ispredefined,
+               allowswide, allowssideways);
                floatlist_.newFloat(fl);
                // each float has its own counter
                counters_.newCounter(from_ascii(type), from_ascii(within),
-                                     docstring(), docstring());
+                               docstring(), docstring(),
+                               prettyformat.empty() ? bformat(_("%1$s ##"), _(name)) : prettyformat,
+                               bformat(_("%1$s (Float)"), _(name)));
                // also define sub-float counters
                docstring const subtype = "sub-" + from_ascii(type);
                counters_.newCounter(subtype, from_ascii(type),
-                                     "\\alph{" + subtype + "}", docstring());
+                               "\\alph{" + subtype + "}", docstring(),
+                               prettyformat.empty() ? bformat(_("Sub-%1$s ##"), _(name)) : prettyformat,
+                               bformat(_("Sub-%1$s (Float)"), _(name)));
        }
        return getout;
 }
@@ -1436,10 +1678,7 @@ string const & TextClass::prerequisites(string const & sep) const
 bool TextClass::hasLayout(docstring const & n) const
 {
        docstring const name = n.empty() ? defaultLayoutName() : n;
-
-       return find_if(layoutlist_.begin(), layoutlist_.end(),
-                      LayoutNamesEqual(name))
-               != layoutlist_.end();
+       return getLayout(name) != nullptr;
 }
 
 
@@ -1456,21 +1695,19 @@ Layout const & TextClass::operator[](docstring const & name) const
 {
        LATTEST(!name.empty());
 
-       const_iterator it =
-               find_if(begin(), end(), LayoutNamesEqual(name));
-
-       if (it == end()) {
+       Layout const * c = getLayout(name);
+       if (!c) {
                LYXERR0("We failed to find the layout '" << name
                       << "' in the layout list. You MUST investigate!");
-               for (const_iterator cit = begin(); cit != end(); ++cit)
-                       lyxerr  << " " << to_utf8(cit->name()) << endl;
+               for (auto const & lay : *this)
+                       lyxerr  << " " << to_utf8(lay.name()) << endl;
 
                // We require the name to exist
                static const Layout dummy;
                LASSERT(false, return dummy);
        }
 
-       return *it;
+       return *c;
 }
 
 
@@ -1479,22 +1716,21 @@ Layout & TextClass::operator[](docstring const & name)
        LATTEST(!name.empty());
        // Safe to continue, given what we do below.
 
-       iterator it = find_if(begin(), end(), LayoutNamesEqual(name));
-
-       if (it == end()) {
+       Layout * c = getLayout(name);
+       if (!c) {
                LYXERR0("We failed to find the layout '" << to_utf8(name)
                       << "' in the layout list. You MUST investigate!");
-               for (const_iterator cit = begin(); cit != end(); ++cit)
-                       LYXERR0(" " << to_utf8(cit->name()));
+               for (auto const & lay : *this)
+                       LYXERR0(" " << to_utf8(lay.name()));
 
                // we require the name to exist
                LATTEST(false);
                // we are here only in release mode
                layoutlist_.push_back(createBasicLayout(name, true));
-               it = find_if(begin(), end(), LayoutNamesEqual(name));
+               c = getLayout(name);
        }
 
-       return *it;
+       return *c;
 }
 
 
@@ -1505,9 +1741,9 @@ bool TextClass::deleteLayout(docstring const & name)
 
        LayoutList::iterator it =
                remove_if(layoutlist_.begin(), layoutlist_.end(),
-                         LayoutNamesEqual(name));
+                       [name](const Layout &c) { return c.name() == name; });
 
-       LayoutList::iterator end = layoutlist_.end();
+       LayoutList::iterator const end = layoutlist_.end();
        bool const ret = (it != end);
        layoutlist_.erase(it, end);
        return ret;
@@ -1540,7 +1776,7 @@ bool TextClass::load(string const & path) const
                       << to_utf8(makeDisplayPath(layout_file.absFileName()))
                       << "'\n(Check `" << name_
                       << "')\nCheck your installation and "
-                         "try Options/Reconfigure..."
+                         "try Tools/Reconfigure..."
                       << endl;
        }
 
@@ -1548,6 +1784,30 @@ bool TextClass::load(string const & path) const
 }
 
 
+Layout const * TextClass::getLayout(docstring const & name) const
+{
+       LayoutList::const_iterator cit =
+               find_if(begin(), end(),
+                       [name](const Layout &c) { return c.name() == name; });
+       if (cit == layoutlist_.end())
+               return nullptr;
+
+       return &(*cit);
+}
+
+
+Layout * TextClass::getLayout(docstring const & name)
+{
+       LayoutList::iterator it =
+               find_if(layoutlist_.begin(), layoutlist_.end(),
+                       [name](const Layout &c) { return c.name() == name; });
+       if (it == layoutlist_.end())
+               return nullptr;
+
+       return &(*it);
+}
+
+
 bool DocumentClass::addLayoutIfNeeded(docstring const & n) const
 {
        if (hasLayout(n))
@@ -1562,14 +1822,13 @@ string DocumentClass::forcedLayouts() const
 {
        ostringstream os;
        bool first = true;
-       const_iterator const e = end();
-       for (const_iterator i = begin(); i != e; ++i) {
-               if (i->forcelocal > 0) {
+       for (auto const & lay : *this) {
+               if (lay.forcelocal > 0) {
                        if (first) {
                                os << "Format " << LAYOUT_FORMAT << '\n';
                                first = false;
                        }
-                       i->write(os);
+                       lay.write(os);
                }
        }
        return os.str();
@@ -1634,7 +1893,7 @@ bool TextClass::isPlainLayout(Layout const & layout) const
 
 Layout TextClass::createBasicLayout(docstring const & name, bool unknown) const
 {
-       static Layout * defaultLayout = NULL;
+       static Layout * defaultLayout = nullptr;
 
        if (defaultLayout) {
                defaultLayout->setUnknown(unknown);
@@ -1655,7 +1914,7 @@ Layout TextClass::createBasicLayout(docstring const & name, bool unknown) const
        defaultLayout = new Layout;
        defaultLayout->setUnknown(unknown);
        defaultLayout->setName(name);
-       if (!readStyle(lex, *defaultLayout)) {
+       if (!readStyle(lex, *defaultLayout, BASECLASS)) {
                // The only way this happens is because the hardcoded layout above
                // is wrong.
                LATTEST(false);
@@ -1664,29 +1923,26 @@ Layout TextClass::createBasicLayout(docstring const & name, bool unknown) const
 }
 
 
-DocumentClassPtr getDocumentClass(
-               LayoutFile const & baseClass, LayoutModuleList const & modlist,
-               LayoutModuleList const & celist,
-               bool const clone)
+DocumentClassPtr getDocumentClass(LayoutFile const & baseClass, LayoutModuleList const & modlist,
+               string const & cengine, bool clone, bool internal)
 {
+       bool const show_warnings = !clone && !internal;
        DocumentClassPtr doc_class =
            DocumentClassPtr(new DocumentClass(baseClass));
-       LayoutModuleList::const_iterator it = modlist.begin();
-       LayoutModuleList::const_iterator en = modlist.end();
-       for (; it != en; ++it) {
-               string const modName = *it;
-               LyXModule * lm = theModuleList[modName];
+       for (auto const & mod : modlist) {
+               LyXModule * lm = theModuleList[mod];
                if (!lm) {
-                       docstring const msg =
-                                               bformat(_("The module %1$s has been requested by\n"
-                                               "this document but has not been found in the list of\n"
-                                               "available modules. If you recently installed it, you\n"
-                                               "probably need to reconfigure LyX.\n"), from_utf8(modName));
-                       if (!clone)
+                       if (show_warnings) {
+                               docstring const msg =
+                                       bformat(_("The module %1$s has been requested by\n"
+                                       "this document but has not been found in the list of\n"
+                                       "available modules. If you recently installed it, you\n"
+                                       "probably need to reconfigure LyX.\n"), from_utf8(mod));
                                frontend::Alert::warning(_("Module not available"), msg);
+                       }
                        continue;
                }
-               if (!lm->isAvailable() && !clone) {
+               if (!lm->isAvailable() && show_warnings) {
                        docstring const prereqs = from_utf8(getStringFromVector(lm->prerequisites(), "\n\t"));
                        docstring const msg =
                                bformat(_("The module %1$s requires a package that is not\n"
@@ -1695,48 +1951,46 @@ DocumentClassPtr getDocumentClass(
                                        "Missing prerequisites:\n"
                                                "\t%2$s\n"
                                        "See section 3.1.2.3 (Modules) of the User's Guide for more information."),
-                               from_utf8(modName), prereqs);
+                               from_utf8(mod), prereqs);
                        frontend::Alert::warning(_("Package not available"), msg, true);
                }
                FileName layout_file = libFileSearch("layouts", lm->getFilename());
                if (!doc_class->read(layout_file, TextClass::MODULE)) {
                        docstring const msg =
-                                               bformat(_("Error reading module %1$s\n"), from_utf8(modName));
+                               bformat(_("Error reading module %1$s\n"), from_utf8(mod));
                        frontend::Alert::warning(_("Read Error"), msg);
                }
        }
 
-       LayoutModuleList::const_iterator cit = celist.begin();
-       LayoutModuleList::const_iterator cen = celist.end();
-       for (; cit != cen; ++cit) {
-               string const ceName = *cit;
-               LyXCiteEngine * ce = theCiteEnginesList[ceName];
-               if (!ce) {
-                       docstring const msg =
-                                               bformat(_("The cite engine %1$s has been requested by\n"
-                                               "this document but has not been found in the list of\n"
-                                               "available engines. If you recently installed it, you\n"
-                                               "probably need to reconfigure LyX.\n"), from_utf8(ceName));
-                       if (!clone)
-                               frontend::Alert::warning(_("Cite Engine not available"), msg);
-                       continue;
-               }
-               if (!ce->isAvailable() && !clone) {
-                       docstring const prereqs = from_utf8(getStringFromVector(ce->prerequisites(), "\n\t"));
+       if (cengine.empty())
+               return doc_class;
+
+       LyXCiteEngine * ce = theCiteEnginesList[cengine];
+       if (!ce) {
+               if (show_warnings) {
                        docstring const msg =
-                               bformat(_("The cite engine %1$s requires a package that is not\n"
-                                       "available in your LaTeX installation, or a converter that\n"
-                                       "you have not installed. LaTeX output may not be possible.\n"
-                                       "Missing prerequisites:\n"
-                                               "\t%2$s\n"
-                                       "See section 3.1.2.3 (Modules) of the User's Guide for more information."),
-                               from_utf8(ceName), prereqs);
-                       frontend::Alert::warning(_("Package not available"), msg, true);
+                               bformat(_("The cite engine %1$s has been requested by\n"
+                               "this document but has not been found in the list of\n"
+                               "available engines. If you recently installed it, you\n"
+                               "probably need to reconfigure LyX.\n"), from_utf8(cengine));
+                       frontend::Alert::warning(_("Cite Engine not available"), msg);
                }
+       } else if (!ce->isAvailable() && show_warnings) {
+               docstring const prereqs = from_utf8(getStringFromVector(ce->prerequisites(), "\n\t"));
+               docstring const msg =
+                       bformat(_("The cite engine %1$s requires a package that is not\n"
+                               "available in your LaTeX installation, or a converter that\n"
+                               "you have not installed. LaTeX output may not be possible.\n"
+                               "Missing prerequisites:\n"
+                                       "\t%2$s\n"
+                               "See section 3.1.2.3 (Modules) of the User's Guide for more information."),
+                       from_utf8(cengine), prereqs);
+               frontend::Alert::warning(_("Package not available"), msg, true);
+       } else {
                FileName layout_file = libFileSearch("citeengines", ce->getFilename());
                if (!doc_class->read(layout_file, TextClass::CITE_ENGINE)) {
                        docstring const msg =
-                                               bformat(_("Error reading cite engine %1$s\n"), from_utf8(ceName));
+                               bformat(_("Error reading cite engine %1$s\n"), from_utf8(cengine));
                        frontend::Alert::warning(_("Read Error"), msg);
                }
        }
@@ -1758,10 +2012,8 @@ DocumentClass::DocumentClass(LayoutFile const & tc)
 
 bool DocumentClass::hasLaTeXLayout(std::string const & lay) const
 {
-       LayoutList::const_iterator it  = layoutlist_.begin();
-       LayoutList::const_iterator end = layoutlist_.end();
-       for (; it != end; ++it)
-               if (it->latexname() == lay)
+       for (auto const & l : layoutlist_)
+               if (l.latexname() == lay)
                        return true;
        return false;
 }
@@ -1782,17 +2034,15 @@ bool DocumentClass::hasTocLevels() const
 Layout const & DocumentClass::getTOCLayout() const
 {
        // we're going to look for the layout with the minimum toclevel
-       TextClass::LayoutList::const_iterator lit = begin();
-       TextClass::LayoutList::const_iterator const len = end();
        int minlevel = 1000;
-       Layout const * lay = NULL;
-       for (; lit != len; ++lit) {
-               int const level = lit->toclevel;
+       Layout const * lay = nullptr;
+       for (auto const & l : *this) {
+               int const level = l.toclevel;
                // we don't want Part or unnumbered sections
                if (level == Layout::NOT_IN_TOC || level < 0
-                   || level >= minlevel || lit->counter.empty())
+                       || level >= minlevel || l.counter.empty())
                        continue;
-               lay = &*lit;
+               lay = &l;
                minlevel = level;
        }
        if (lay)
@@ -1813,7 +2063,9 @@ Layout const & DocumentClass::htmlTOCLayout() const
 string const DocumentClass::getCiteFormat(CiteEngineType const & type,
        string const & entry, bool const punct, string const & fallback) const
 {
-       string default_format = "{%fullnames:author%[[%fullnames:author%, ]][[{%fullnames:editor%[[%fullnames:editor%, ed., ]]}]]}\"%title%\"{%journal%[[, {!<i>!}%journal%{!</i>!}]][[{%publisher%[[, %publisher%]][[{%institution%[[, %institution%]]}]]}]]}{%year%[[ (%year%)]]}{%pages%[[, %pages%]]}";
+       string default_format = "{%fullnames:author%[[%fullnames:author%, ]][[{%fullnames:editor%[[%fullnames:editor%, ed., ]]}]]}"
+                               "\"%title%\"{%journal%[[, {!<i>!}%journal%{!</i>!}]][[{%publisher%[[, %publisher%]]"
+                               "[[{%institution%[[, %institution%]]}]]}]]}{%year%[[ (%year%)]]}{%pages%[[, %pages%]]}";
        if (punct)
                default_format += ".";
 
@@ -1849,13 +2101,11 @@ vector<string> const DocumentClass::citeCommands(
        CiteEngineType const & type) const
 {
        vector<CitationStyle> const styles = citeStyles(type);
-       vector<CitationStyle>::const_iterator it = styles.begin();
-       vector<CitationStyle>::const_iterator end = styles.end();
        vector<string> cmds;
-       for (; it != end; ++it) {
-               CitationStyle const cite = *it;
-               cmds.push_back(cite.name);
-       }
+       cmds.reserve(styles.size());
+       for (auto const & cs : styles)
+               cmds.push_back(cs.name);
+
        return cmds;
 }