]> git.lyx.org Git - features.git/blobdiff - src/tex2lyx/Preamble.cpp
Handle empty index subentries (#7820)
[features.git] / src / tex2lyx / Preamble.cpp
index ebcb2e6588610b646ce722be5620d47dc8562a35..7b69bc4db5392eaa0bbba2853c42684f4866b721 100644 (file)
@@ -18,7 +18,6 @@
 
 #include "Encoding.h"
 #include "LayoutFile.h"
-#include "Layout.h"
 #include "Lexer.h"
 #include "TextClass.h"
 #include "version.h"
 #include "support/filetools.h"
 #include "support/lstrings.h"
 
-#include "support/regex.h"
-
 #include <algorithm>
 #include <iostream>
+#include <regex>
 
 using namespace std;
 using namespace lyx::support;
@@ -123,6 +121,9 @@ const char * const known_german_quotes_languages[] = {"austrian", "bulgarian",
 const char * const known_polish_quotes_languages[] = {"afrikaans", "bosnian", "croatian",
 "dutch", "magyar", "polish", "romanian", "serbian", "serbian-latin", 0};
 
+/// languages with hungarian quotes (.lyx names)
+const char * const known_hungarian_quotes_languages[] = {"magyar", 0};
+
 /// languages with russian quotes (.lyx names)
 const char * const known_russian_quotes_languages[] = {"azerbaijani", "oldrussian",
 "russian", "ukrainian", 0};
@@ -142,31 +143,28 @@ const char * const known_old_language_packages[] = {"french", "frenchle",
 char const * const known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
 
 const char * const known_roman_font_packages[] = { "ae", "beraserif", "bookman",
-"ccfonts", "chancery", "charter", "cmr", "cochineal", "crimson", "DejaVuSerif", "DejaVuSerifCondensed", "fourier",
-"garamondx", "libertine", "libertineRoman", "libertine-type1", "lmodern", "mathdesign", "mathpazo",
-"mathptmx", "MinionPro", "newcent", "noto", "noto-serif", "PTSerif", "tgbonum", "tgchorus",
-"tgpagella", "tgschola", "tgtermes", "utopia", "xcharter", 0 };
+"ccfonts", "chancery", "charter", "cmr", "cochineal", "crimson", "CrimsonPro", "DejaVuSerif",
+"DejaVuSerifCondensed", "fourier", "garamondx", "libertine", "libertineRoman", "libertine-type1",
+"lmodern", "mathdesign", "mathpazo", "mathptmx", "MinionPro", "newcent", "noto", "noto-serif",
+"PTSerif", "tgbonum", "tgchorus", "tgpagella", "tgschola", "tgtermes", "utopia", "xcharter", 0 };
 
 const char * const known_sans_font_packages[] = { "avant", "berasans", "biolinum",
 "biolinum-type1", "cantarell", "Chivo", "cmbr", "cmss", "DejaVuSans", "DejaVuSansCondensed", "FiraSans", "helvet", "iwona",
-"iwonac", "iwonal", "iwonalc", "kurier", "kurierc", "kurierl", "kurierlc", "lmss", "noto", "noto-sans", "PTSans",
+"iwonac", "iwonal", "iwonalc", "kurier", "kurierc", "kurierl", "kurierlc", "LibertinusSans-LF", "lmss", "noto-sans", "PTSans",
 "tgadventor", "tgheros", "uop", 0 };
 
 const char * const known_typewriter_font_packages[] = { "beramono", "cmtl", "cmtt", "courier", "DejaVuSansMono",
-"FiraMono", "lmtt", "luximono", "fourier", "libertineMono", "libertineMono-type1", "lmodern",
-"mathpazo", "mathptmx", "newcent", "noto", "noto-mono", "PTMono", "tgcursor", "txtt", 0 };
+"FiraMono", "lmtt", "luximono", "libertineMono", "libertineMono-type1", "LibertinusMono-TLF", "lmodern",
+"mathpazo", "mathptmx", "newcent", "noto-mono", "PTMono", "tgcursor", "txtt", 0 };
 
 const char * const known_math_font_packages[] = { "eulervm", "newtxmath", 0};
 
-const char * const known_paper_sizes[] = { "a0paper", "b0paper", "c0paper",
+const char * const known_latex_paper_sizes[] = { "a0paper", "b0paper", "c0paper",
 "a1paper", "b1paper", "c1paper", "a2paper", "b2paper", "c2paper", "a3paper",
 "b3paper", "c3paper", "a4paper", "b4paper", "c4paper", "a5paper", "b5paper",
 "c5paper", "a6paper", "b6paper", "c6paper", "executivepaper", "legalpaper",
 "letterpaper", "b0j", "b1j", "b2j", "b3j", "b4j", "b5j", "b6j", 0};
 
-const char * const known_class_paper_sizes[] = { "a4paper", "a5paper",
-"executivepaper", "legalpaper", "letterpaper", 0};
-
 const char * const known_paper_margins[] = { "lmargin", "tmargin", "rmargin",
 "bmargin", "headheight", "headsep", "footskip", "columnsep", 0};
 
@@ -206,7 +204,7 @@ const char * const known_xetex_packages[] = {"arabxetex", "fixlatvian",
 const char * const known_lyx_packages[] = {"amsbsy", "amsmath", "amssymb",
 "amstext", "amsthm", "array", "babel", "booktabs", "calc", "CJK", "color",
 "float", "fontspec", "framed", "graphicx", "hhline", "ifthen", "longtable",
-"makeidx", "minted", "multirow", "nomencl", "pdfpages", "prettyref", "refstyle",
+"makeidx", "minted", "multirow", "nomencl", "parskip", "pdfpages", "prettyref", "refstyle",
 "rotating", "rotfloat", "splitidx", "setspace", "subscript", "tabularx","textcomp", "tipa",
 "tipx", "tone", "ulem", "url", "varioref", "verbatim", "wrapfig", "xcolor", "xltabular",
 "xunicode", 0};
@@ -298,7 +296,7 @@ vector<string> split_options(string const & input)
  * \p options and return the value.
  * The found option is also removed from \p options.
  */
-string process_keyval_opt(vector<string> & options, string name)
+string process_keyval_opt(vector<string> & options, string const & name)
 {
        for (size_t i = 0; i < options.size(); ++i) {
                vector<string> option;
@@ -414,9 +412,9 @@ void Preamble::suppressDate(bool suppress)
 }
 
 
-void Preamble::registerAuthor(std::string const & name)
+void Preamble::registerAuthor(std::string const & name, string const & initials)
 {
-       Author author(from_utf8(name), empty_docstring());
+       Author author(from_utf8(name), empty_docstring(), from_utf8(initials));
        author.setUsed(true);
        authors_.record(author);
        h_tracking_changes = "true";
@@ -426,7 +424,7 @@ void Preamble::registerAuthor(std::string const & name)
 
 Author const & Preamble::getAuthor(std::string const & name) const
 {
-       Author author(from_utf8(name), empty_docstring());
+       Author author(from_utf8(name), empty_docstring(), empty_docstring());
        for (AuthorList::Authors::const_iterator it = authors_.begin();
             it != authors_.end(); ++it)
                if (*it == author)
@@ -448,8 +446,7 @@ int Preamble::getSpecialTableColumnArguments(char c) const
 void Preamble::add_package(string const & name, vector<string> & options)
 {
        // every package inherits the global options
-       if (used_packages.find(name) == used_packages.end())
-               used_packages[name] = split_options(h_options);
+       used_packages.insert({name, split_options(h_options)});
 
        // Insert options passed via PassOptionsToPackage
        for (auto const & p : extra_package_options_) {
@@ -472,6 +469,16 @@ void Preamble::add_package(string const & name, vector<string> & options)
        }
 }
 
+void Preamble::setTextClass(string const & tclass, TeX2LyXDocClass & tc)
+{
+       h_textclass = tclass;
+       tc.setName(h_textclass);
+       if (!LayoutFileList::get().haveClass(h_textclass) || !tc.load()) {
+               cerr << "Error: Could not read layout file for textclass \"" << h_textclass << "\"." << endl;
+               exit(EXIT_FAILURE);
+       }
+}
+
 
 namespace {
 
@@ -546,6 +553,8 @@ Preamble::Preamble() : one_language(true), explicit_babel(false),
        h_html_be_strict          = "false";
        h_html_css_as_file        = "0";
        h_html_math_output        = "0";
+       h_docbook_table_output    = "0";
+       h_docbook_mathml_prefix   = "1";
        h_index[0]                = "Index";
        h_index_command           = "default";
        h_inputencoding           = "auto-legacy";
@@ -553,11 +562,12 @@ Preamble::Preamble() : one_language(true), explicit_babel(false),
        h_language                = "english";
        h_language_package        = "none";
        //h_listings_params;
-       h_maintain_unincluded_children = "false";
+       h_maintain_unincluded_children = "no";
        //h_margins;
        //h_notefontcolor;
        //h_options;
        h_output_changes          = "false";
+       h_change_bars             = "false";
        h_output_sync             = "0";
        //h_output_sync_macro
        h_papercolumns            = "1";
@@ -709,13 +719,18 @@ void Preamble::handle_geometry(vector<string> & options)
                options.erase(it);
        }
        // paper size
-       // keyval version: "paper=letter"
+       // keyval version: "paper=letter" or "paper=letterpaper"
        string paper = process_keyval_opt(options, "paper");
        if (!paper.empty())
-               h_papersize = paper + "paper";
+               if (suffixIs(paper, "paper"))
+                       paper = subst(paper, "paper", "");
        // alternative version: "letterpaper"
-       handle_opt(options, known_paper_sizes, h_papersize);
-       delete_opt(options, known_paper_sizes);
+       handle_opt(options, known_latex_paper_sizes, paper);
+       if (suffixIs(paper, "paper"))
+               paper = subst(paper, "paper", "");
+       delete_opt(options, known_latex_paper_sizes);
+       if (!paper.empty())
+               h_papersize = paper;
        // page margins
        char const * const * margin = known_paper_margins;
        for (; *margin; ++margin) {
@@ -756,8 +771,7 @@ void Preamble::handle_package(Parser &p, string const & name,
 
        // By default, we use the package name as LyX font name,
        // so this only needs to be reset if these names differ
-       // Exception: noto
-       if (is_known(name, known_roman_font_packages) && name != "noto")
+       if (is_known(name, known_roman_font_packages))
                h_font_roman[0] = name;
 
        if (name == "ccfonts") {
@@ -851,6 +865,74 @@ void Preamble::handle_package(Parser &p, string const & name,
                        h_font_roman_osf = "true";
        }
 
+       if (name == "libertinus" || name == "libertinus-type1") {
+               bool sf = true;
+               bool tt = true;
+               bool rm = true;
+               bool osf = false;
+               string scalesf;
+               string scalett;
+               for (auto const & opt : allopts) {
+                       if (opt == "rm" || opt == "serif") {
+                               tt = false;
+                               sf = false;
+                               continue;
+                       }
+                       if (opt == "sf" || opt == "sans") {
+                               tt = false;
+                               rm = false;
+                               continue;
+                       }
+                       if (opt == "tt=false" || opt == "mono=false") {
+                               tt = false;
+                               continue;
+                       }
+                       if (opt == "osf") {
+                               osf = true;
+                               continue;
+                       }
+                       if (opt == "scaleSF") {
+                               scalesf = opt;
+                               continue;
+                       }
+                       if (opt == "scaleTT") {
+                               scalett = opt;
+                               continue;
+                       }
+                       if (opt == "lining") {
+                               h_font_roman_osf = "false";
+                               continue;
+                       }
+                       if (!xopts.empty())
+                               xopts += ", ";
+                       xopts += opt;
+               }
+               if (rm) {
+                       h_font_roman[0] = "libertinus";
+                       if (osf)
+                               h_font_roman_osf = "true";
+                       else
+                               h_font_roman_osf = "false";
+               }
+               if (sf) {
+                       h_font_sans[0] = "LibertinusSans-LF";
+                       if (osf)
+                               h_font_sans_osf = "true";
+                       else
+                               h_font_sans_osf = "false";
+                       if (!scalesf.empty())
+                               scale_as_percentage(scalesf, h_font_sf_scale[0]);
+               }
+               if (tt) {
+                       h_font_typewriter[0] = "LibertinusMono-TLF";
+                       if (!scalett.empty())
+                               scale_as_percentage(scalett, h_font_tt_scale[0]);
+               }
+               if (!xopts.empty())
+                       h_font_roman_opts = xopts;
+               options.clear();
+       }
+
        if (name == "MinionPro") {
                h_font_roman[0] = "minionpro";
                h_font_roman_osf = "true";
@@ -947,6 +1029,37 @@ void Preamble::handle_package(Parser &p, string const & name,
                options.clear();
        }
 
+       if (name == "CrimsonPro") {
+               h_font_roman_osf = "true";
+               for (auto const & opt : allopts) {
+                       if (opt == "lf" || opt == "lining") {
+                               h_font_roman_osf = "false";
+                               continue;
+                       }
+                       if (opt == "proportional" || opt == "p")
+                               continue;
+                       if (opt == "medium") {
+                               h_font_roman[0] = "CrimsonProMedium";
+                               continue;
+                       }
+                       if (opt == "extralight") {
+                               h_font_roman[0] = "CrimsonProExtraLight";
+                               continue;
+                       }
+                       if (opt == "light") {
+                               h_font_roman[0] = "CrimsonProLight";
+                               continue;
+                       }
+                       if (!xopts.empty())
+                               xopts += ", ";
+                       xopts += opt;
+               }
+               if (!xopts.empty())
+                       h_font_roman_opts = xopts;
+               options.clear();
+       }
+
+
        if (name == "eco")
                // font uses old-style figure
                h_font_roman_osf = "true";
@@ -1140,11 +1253,10 @@ void Preamble::handle_package(Parser &p, string const & name,
        // By default, we use the package name as LyX font name,
        // so this only needs to be reset if these names differ.
        // Also, we handle the scaling option here generally.
-       // Exception: noto
-       if (is_known(name, known_sans_font_packages) && name != "noto") {
+       if (is_known(name, known_sans_font_packages)) {
                h_font_sans[0] = name;
                if (contains(opts, "scale")) {
-                       vector<string>::const_iterator it = allopts.begin();
+                       vector<string>::iterator it = allopts.begin();
                        for (; it != allopts.end() ; ++it) {
                                string const opt = *it;
                                if (prefixIs(opt, "scaled=") || prefixIs(opt, "scale=")) {
@@ -1349,11 +1461,10 @@ void Preamble::handle_package(Parser &p, string const & name,
        // By default, we use the package name as LyX font name,
        // so this only needs to be reset if these names differ.
        // Also, we handle the scaling option here generally.
-       // Exceptions: fourier, noto
-       if (is_known(name, known_typewriter_font_packages) && name != "fourier" && name != "noto") {
+       if (is_known(name, known_typewriter_font_packages)) {
                h_font_typewriter[0] = name;
                if (contains(opts, "scale")) {
-                       vector<string>::const_iterator it = allopts.begin();
+                       vector<string>::iterator it = allopts.begin();
                        for (; it != allopts.end() ; ++it) {
                                string const opt = *it;
                                if (prefixIs(opt, "scaled=") || prefixIs(opt, "scale=")) {
@@ -1613,6 +1724,24 @@ void Preamble::handle_package(Parser &p, string const & name,
                delete_opt(options, o);
        }
 
+       else if (name == "parskip" && options.size() < 2 && (opts.empty() || prefixIs(opts, "skip="))) {
+               if (opts.empty())
+                       h_paragraph_separation = "halfline";
+               else {
+                       if (opts == "skip=\\smallskipamount")
+                               h_defskip = "smallskip";
+                       else if (opts == "skip=\\medskipamount")
+                               h_defskip = "medskip";
+                       else if (opts == "skip=\\bigskipamount")
+                               h_defskip = "bigskip";
+                       else if (opts == "skip=\\baselineskip")
+                               h_defskip = "fullline";
+                       else
+                               h_defskip = "opts";
+                       h_paragraph_separation = "skip";
+               }
+       }
+
        else if (is_known(name, known_lyx_packages) && options.empty()) {
                if (name == "splitidx")
                        h_use_indices = "true";
@@ -1622,6 +1751,7 @@ void Preamble::handle_package(Parser &p, string const & name,
                        h_use_refstyle = true;
                else if (name == "prettyref")
                        h_use_refstyle = false;
+
                if (!in_lyx_preamble) {
                        h_preamble << package_beg_sep << name
                                   << package_mid_sep << "\\usepackage{"
@@ -1696,7 +1826,7 @@ void Preamble::handle_package(Parser &p, string const & name,
                            || opt == "subsection")
                                h_multibib = opt;
                        else
-                               cerr << "Ignoring unkown refesection value '"
+                               cerr << "Ignoring unknown refsection value '"
                                     << opt << "'.";
                }
                opt = process_keyval_opt(options, "bibencoding");
@@ -1752,6 +1882,9 @@ void Preamble::handle_package(Parser &p, string const & name,
                }
        }
 
+       else if (name == "changebar")
+               h_output_changes = "true";
+
        else if (!in_lyx_preamble) {
                if (options.empty())
                        h_preamble << "\\usepackage{" << name << '}';
@@ -1817,6 +1950,11 @@ bool Preamble::writeLyXHeader(ostream & os, bool subdoc, string const & outfiled
           << "\\save_transient_properties " << h_save_transient_properties << "\n"
           << "\\origin " << origin << "\n"
           << "\\textclass " << h_textclass << "\n";
+       if (!h_doc_metadata.empty()) {
+               os << "\\begin_metadata\n"
+                  << h_doc_metadata
+                  << "\n\\end_metadata\n";
+       }
        string const raw = subdoc ? empty_string() : h_preamble.str();
        if (!raw.empty()) {
                os << "\\begin_preamble\n";
@@ -1992,9 +2130,12 @@ bool Preamble::writeLyXHeader(ostream & os, bool subdoc, string const & outfiled
                os << "\\listings_params " << h_listings_params << "\n";
        os << "\\tracking_changes " << h_tracking_changes << "\n"
           << "\\output_changes " << h_output_changes << "\n"
+          << "\\change_bars " << h_change_bars << "\n"
           << "\\html_math_output " << h_html_math_output << "\n"
           << "\\html_css_as_file " << h_html_css_as_file << "\n"
           << "\\html_be_strict " << h_html_be_strict << "\n"
+          << "\\docbook_table_output " << h_docbook_table_output << "\n"
+          << "\\docbook_mathml_prefix " << h_docbook_mathml_prefix << "\n"
           << authors_
           << "\\end_header\n\n"
           << "\\begin_body\n";
@@ -2017,6 +2158,7 @@ void Preamble::parse(Parser & p, string const & forceclass,
        bool is_full_document = false;
        bool is_lyx_file = false;
        bool in_lyx_preamble = false;
+       bool class_set = false;
 
        // determine whether this is a full document or a fragment for inclusion
        while (p.good()) {
@@ -2032,6 +2174,12 @@ void Preamble::parse(Parser & p, string const & forceclass,
        if (detectEncoding && !is_full_document)
                return;
 
+       // Force textclass if the user wanted it
+       if (!forceclass.empty()) {
+               setTextClass(forceclass, tc);
+               class_set = true;
+       }
+
        while (is_full_document && p.good()) {
                if (detectEncoding && h_inputencoding != "auto-legacy" &&
                    h_inputencoding != "auto-legacy-plain")
@@ -2458,12 +2606,19 @@ void Preamble::parse(Parser & p, string const & forceclass,
                                        p.skip_spaces();
                                        in_lyx_preamble = true;
                                }
-                       if (name == "\\sfdefault")
+                       if (name == "\\sfdefault") {
                                if (is_known(body, known_sans_font_packages)) {
                                        h_font_sans[0] = body;
                                        p.skip_spaces();
                                        in_lyx_preamble = true;
                                }
+                               if (body == "LibertinusSans-OsF") {
+                                       h_font_sans[0] = "LibertinusSans-LF";
+                                       h_font_sans_osf = "true";
+                                       p.skip_spaces();
+                                       in_lyx_preamble = true;
+                               }
+                       }
                        if (name == "\\ttdefault")
                                if (is_known(body, known_typewriter_font_packages)) {
                                        h_font_typewriter[0] = body;
@@ -2477,6 +2632,18 @@ void Preamble::parse(Parser & p, string const & forceclass,
                                p.skip_spaces();
                                in_lyx_preamble = true;
                        }
+                       if (name == "\\LibertinusSans@scale") {
+                               if (isStrDbl(body)) {
+                                       h_font_sf_scale[0] = convert<string>(
+                                               static_cast<int>(100 * convert<double>(body)));
+                               }
+                       }
+                       if (name == "\\LibertinusMono@scale") {
+                               if (isStrDbl(body)) {
+                                       h_font_tt_scale[0] = convert<string>(
+                                               static_cast<int>(100 * convert<double>(body)));
+                               }
+                       }
 
                        // remove LyX-specific definitions that are re-added by LyX
                        // if necessary
@@ -2515,12 +2682,41 @@ void Preamble::parse(Parser & p, string const & forceclass,
                if (t.cs() == "documentclass") {
                        vector<string>::iterator it;
                        vector<string> opts = split_options(p.getArg('[', ']'));
+                       // FIXME This does not work for classes that have a
+                       //       different name in LyX than in LaTeX
+                       string const tclass = p.getArg('{', '}');
+                       p.skip_spaces();
+                       // Only set text class if a class hasn't been forced
+                       // (this was set above)
+                       if (!class_set) {
+                               // textclass needs to be set at this place (if not already done)
+                               // as we need to know it for other parameters
+                               // (such as class-dependent paper size)
+                               setTextClass(tclass, tc);
+                               class_set = true;
+                       }
+
+                       // Font sizes.
+                       // Try those who are (most likely) known to all packages first
                        handle_opt(opts, known_fontsizes, h_paperfontsize);
                        delete_opt(opts, known_fontsizes);
                        // delete "pt" at the end
                        string::size_type i = h_paperfontsize.find("pt");
                        if (i != string::npos)
                                h_paperfontsize.erase(i);
+                       // Now those known specifically to the class
+                       vector<string> class_fsizes = getVectorFromString(tc.opt_fontsize(), "|");
+                       string const fsize_format = tc.fontsizeformat();
+                       for (auto const & fsize : class_fsizes) {
+                               string latexsize = subst(fsize_format, "$$s", fsize);
+                               vector<string>::iterator it = find(opts.begin(), opts.end(), latexsize);
+                               if (it != opts.end()) {
+                                       h_paperfontsize = fsize;
+                                       opts.erase(it);
+                                       break;
+                               }
+                       }
+
                        // The documentclass options are always parsed before the options
                        // of the babel call so that a language cannot overwrite the babel
                        // options.
@@ -2573,16 +2769,37 @@ void Preamble::parse(Parser & p, string const & forceclass,
                                opts.erase(it);
                        }
                        // paper sizes
-                       // some size options are known to any document classes, other sizes
+                       // some size options are known by the document class, other sizes
                        // are handled by the \geometry command of the geometry package
-                       handle_opt(opts, known_class_paper_sizes, h_papersize);
-                       delete_opt(opts, known_class_paper_sizes);
+                       vector<string> class_psizes = getVectorFromString(tc.opt_pagesize(), "|");
+                       string const psize_format = tc.pagesizeformat();
+                       for (auto const & psize : class_psizes) {
+                               string latexsize = subst(psize_format, "$$s", psize);
+                               vector<string>::iterator it = find(opts.begin(), opts.end(), latexsize);
+                               if (it != opts.end()) {
+                                       h_papersize = psize;
+                                       opts.erase(it);
+                                       break;
+                               }
+                               if (psize_format == "$$spaper")
+                                       continue;
+                               // Also try with the default format since this is understood by
+                               // most classes
+                               latexsize = psize + "paper";
+                               it = find(opts.begin(), opts.end(), latexsize);
+                               if (it != opts.end()) {
+                                       h_papersize = psize;
+                                       opts.erase(it);
+                                       break;
+                               }
+                       }
                        // the remaining options
                        h_options = join(opts, ",");
-                       // FIXME This does not work for classes that have a
-                       //       different name in LyX than in LaTeX
-                       h_textclass = p.getArg('{', '}');
-                       p.skip_spaces();
+                       continue;
+               }
+
+               if (t.cs() == "DocumentMetadata") {
+                       h_doc_metadata = trimSpaceAndEol(p.getArg('{', '}'));
                        continue;
                }
 
@@ -2701,18 +2918,17 @@ void Preamble::parse(Parser & p, string const & forceclass,
                        string const name = p.verbatim_item();
                        string const content = p.verbatim_item();
                        // the paragraphs are only not indented when \parindent is set to zero
-                       if (name == "\\parindent" && content != "") {
-                               if (content[0] == '0')
-                                       h_paragraph_separation = "skip";
-                               else
-                                       h_paragraph_indentation = translate_len(content);
-                       } else if (name == "\\parskip") {
+                       if (name == "\\parindent" && content != "")
+                               h_paragraph_indentation = translate_len(content);
+                       else if (name == "\\parskip" && isPackageUsed("parskip")) {
                                if (content == "\\smallskipamount")
                                        h_defskip = "smallskip";
                                else if (content == "\\medskipamount")
                                        h_defskip = "medskip";
                                else if (content == "\\bigskipamount")
                                        h_defskip = "bigskip";
+                               else if (content == "\\baselineskip")
+                                       h_defskip = "fullline";
                                else
                                        h_defskip = translate_len(content);
                        } else if (name == "\\mathindent") {
@@ -2904,17 +3120,13 @@ void Preamble::parse(Parser & p, string const & forceclass,
                }
        }
 
+       // set textclass if not yet done (snippets without \documentclass and forced class)
+       if (!class_set)
+               setTextClass(h_textclass, tc);
+
        // remove the whitespace
        p.skip_spaces();
 
-       // Force textclass if the user wanted it
-       if (!forceclass.empty())
-               h_textclass = forceclass;
-       tc.setName(h_textclass);
-       if (!LayoutFileList::get().haveClass(h_textclass) || !tc.load()) {
-               cerr << "Error: Could not read layout file for textclass \"" << h_textclass << "\"." << endl;
-               exit(EXIT_FAILURE);
-       }
        if (h_papersides.empty()) {
                ostringstream ss;
                ss << tc.sides();
@@ -2976,6 +3188,9 @@ void Preamble::parse(Parser & p, string const & forceclass,
        // polish
        else if (is_known(h_language, known_polish_quotes_languages))
                h_quotes_style = "polish";
+       // hungarian
+       else if (is_known(h_language, known_hungarian_quotes_languages))
+               h_quotes_style = "hungarian";
        // russian
        else if (is_known(h_language, known_russian_quotes_languages))
                h_quotes_style = "russian";