Provide proper fallback if a bibliography processor is not found

[lyx.git] / src / LyXRC.cpp

diff --git a/src/LyXRC.cpp b/src/LyXRC.cpp
index 355e0651192bf8d3822ddb2a21130884b9093a75..e8e66e221d7e260827d627c4734fa231eac9247b 100644 (file)
--- a/src/LyXRC.cpp
+++ b/src/LyXRC.cpp
@@ -23,6 +23,8 @@
 #include "Converter.h"
 #include "FontEnums.h"
 #include "Format.h"
+#include "FuncCode.h"
+#include "FuncRequest.h"
 #include "Lexer.h"
 #include "LyX.h"
 #include "Mover.h"
@@ -59,7 +61,7 @@ namespace {
 
 // The format should also be updated in configure.py, and conversion code
 // should be added to prefs2prefs_prefs.py.
-static unsigned int const LYXRC_FILEFORMAT = 19; // rgh: remove print support
+static unsigned int const LYXRC_FILEFORMAT = 24; // spitz: rename collapsible
 
 // when adding something to this array keep it sorted!
 LexerKeyword lyxrcTags[] = {
@@ -98,6 +100,7 @@ LexerKeyword lyxrcTags[] = {
        { "\\default_decimal_point", LyXRC::RC_DEFAULT_DECIMAL_POINT },
        { "\\default_length_unit", LyXRC::RC_DEFAULT_LENGTH_UNIT },
        { "\\default_otf_view_format", LyXRC::RC_DEFAULT_OTF_VIEW_FORMAT },
+       { "\\default_platex_view_format", LyXRC::RC_DEFAULT_PLATEX_VIEW_FORMAT },
        { "\\default_view_format", LyXRC::RC_DEFAULT_VIEW_FORMAT },
        { "\\dialogs_iconify_with_main", LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN },
        { "\\display_graphics", LyXRC::RC_DISPLAY_GRAPHICS },
@@ -124,6 +127,7 @@ LexerKeyword lyxrcTags[] = {
        { "\\index_alternatives", LyXRC::RC_INDEX_ALTERNATIVES },
        { "\\index_command", LyXRC::RC_INDEX_COMMAND },
        { "\\input", LyXRC::RC_INPUT },
+       { "\\jbibtex_alternatives", LyXRC::RC_JBIBTEX_ALTERNATIVES },
        { "\\jbibtex_command", LyXRC::RC_JBIBTEX_COMMAND },
        { "\\jindex_command", LyXRC::RC_JINDEX_COMMAND },
        { "\\kbmap", LyXRC::RC_KBMAP },
@@ -157,6 +161,7 @@ LexerKeyword lyxrcTags[] = {
        { "\\print_landscape_flag", LyXRC::RC_PRINTLANDSCAPEFLAG },
        { "\\print_paper_dimension_flag", LyXRC::RC_PRINTPAPERDIMENSIONFLAG },
        { "\\print_paper_flag", LyXRC::RC_PRINTPAPERFLAG },
+       { "\\pygmentize_command", LyXRC::RC_PYGMENTIZE_COMMAND },
        { "\\save_compressed", LyXRC::RC_SAVE_COMPRESSED },
        { "\\save_origin", LyXRC::RC_SAVE_ORIGIN },
        { "\\screen_dpi", LyXRC::RC_SCREEN_DPI },
@@ -192,6 +197,7 @@ LexerKeyword lyxrcTags[] = {
        { "\\use_converter_needauth", LyXRC::RC_USE_CONVERTER_NEEDAUTH },
        { "\\use_converter_needauth_forbidden", LyXRC::RC_USE_CONVERTER_NEEDAUTH_FORBIDDEN },
        { "\\use_lastfilepos", LyXRC::RC_USELASTFILEPOS },
+       { "\\use_native_filedialog", LyXRC::RC_USE_NATIVE_FILEDIALOG },
        { "\\use_pixmap_cache", LyXRC::RC_USE_PIXMAP_CACHE },
        { "\\use_qimage", LyXRC::RC_USE_QIMAGE },
        // compatibility with versions older than 1.4.0 only
@@ -210,7 +216,7 @@ LexerKeyword lyxrcTags[] = {
 
 const int lyxrcCount = sizeof(lyxrcTags) / sizeof(lyxrcTags[0]);
 
-} // namespace anon
+} // namespace
 
 
 LyXRC::LyXRC()
@@ -235,14 +241,17 @@ void LyXRC::setDefaults()
        view_dvi_paper_option.erase();
        default_view_format = "pdf2";
        default_otf_view_format = "pdf4";
+       default_platex_view_format = "pdf3";
        chktex_command = "chktex -n1 -n3 -n6 -n9 -n22 -n25 -n30 -n38";
-       bibtex_command = "bibtex";
+       bibtex_command = "automatic";
        fontenc = "default";
        index_command = "makeindex -c -q";
        nomencl_command = "makeindex -s nomencl.ist";
+       pygmentize_command = string();
        dpi = 75;
        // Because a screen is typically wider than a piece of paper:
-       zoom = 150;
+       defaultZoom = 150;
+       currentZoom = defaultZoom;
        allow_geometry_session = true;
        // Default LaTeX font size:
        font_sizes[FONT_SIZE_TINY] = "5.0";
@@ -267,6 +276,7 @@ void LyXRC::setDefaults()
        num_lastfiles = 20;
        check_lastfiles = true;
        use_lastfilepos = true;
+       use_native_filedialog = true;
        load_session = false;
        make_backup = true;
        save_compressed = false;
@@ -277,6 +287,8 @@ void LyXRC::setDefaults()
 // FIXME: this check should test the target platform (darwin)
 #if defined(USE_MACOSX_PACKAGING)
        spellchecker = "native";
+#elif defined(USE_ENCHANT)
+       spellchecker = "enchant";
 #elif defined(USE_ASPELL)
        spellchecker = "aspell";
 #elif defined(USE_HUNSPELL)
@@ -373,7 +385,7 @@ void oldFontFormat(string & family, string & foundry)
                foundry.erase();
 }
 
-} // namespace anon
+} // namespace
 
 
 bool LyXRC::read(FileName const & filename, bool check_format)
@@ -401,6 +413,8 @@ bool LyXRC::read(FileName const & filename, bool check_format)
                lexrc2.setFile(tempfile);
                LYXERR(Debug::LYXRC, "Reading '" << tempfile << "'...");
                retval = read(lexrc2, check_format);
+               if (retval == FormatMismatch)
+                       LYXERR0("Conversion failed for " << filename.absFileName());
        }
        return retval == ReadOK;
 }
@@ -456,7 +470,7 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                                FileName const tmp =
                                        libFileSearch(string(),
                                                      lexrc.getString());
-                               if (read(tmp, check_format)) {
+                               if (!read(tmp, check_format)) {
                                        lexrc.printError(
                                            "Error reading included file: " + tmp.absFileName());
                                }
@@ -542,6 +556,12 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                        lexrc >> print_paper_flag;
                        break;
 
+               case RC_PYGMENTIZE_COMMAND:
+                       if (lexrc.next(true)) {
+                               pygmentize_command = lexrc.getString();
+                       }
+                       break;
+
                case RC_VIEWDVI_PAPEROPTION:
                        if (lexrc.next())
                                view_dvi_paper_option = lexrc.getString();
@@ -573,6 +593,12 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                        }
                        break;
 
+               case RC_JBIBTEX_ALTERNATIVES:
+                       if (lexrc.next(true)) {
+                               jbibtex_alternatives.insert(lexrc.getString());
+                       }
+                       break;
+
                case RC_INDEX_ALTERNATIVES:
                        if (lexrc.next(true)) {
                                index_alternatives.insert(lexrc.getString());
@@ -608,9 +634,9 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                        break;
 
                case RC_SCREEN_ZOOM:
-                       lexrc >> zoom;
-                       if (zoom < 10)
-                               zoom = 10;
+                       lexrc >> defaultZoom;
+                       if (defaultZoom < 10)
+                               defaultZoom = 10;
                        break;
 
                case RC_GEOMETRY_SESSION:
@@ -855,6 +881,9 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                case RC_ACCEPT_COMPOUND:
                        lexrc >> spellchecker_accept_compound;
                        break;
+               case RC_USE_NATIVE_FILEDIALOG:
+                       lexrc >> use_native_filedialog;
+                       break;
                case RC_USE_SYSTEM_COLORS:
                        lexrc >> use_system_colors;
                        break;
@@ -987,7 +1016,7 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                case RC_VIEWER: {
                        string format, command;
                        lexrc >> format >> command;
-                       formats.setViewer(format, command);
+                       theFormats().setViewer(format, command);
                        break;
                }
                case RC_FILEFORMAT: {
@@ -1027,6 +1056,8 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                                        flgs |= Format::zipped_native;
                                else if (flag == "menu=export")
                                        flgs |= Format::export_menu;
+                               else if (flag == "menu=none")
+                                       flgs |= Format::no_menu;
                                else
                                        LYXERR0("Ignoring unknown flag `"
                                               << flag << "' for format `"
@@ -1038,9 +1069,9 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                                if (theConverters().formatIsUsed(format))
                                        LYXERR0("Can't delete format " << format);
                                else
-                                       formats.erase(format);
+                                       theFormats().erase(format);
                        } else {
-                               formats.add(format, extensions, prettyname,
+                               theFormats().add(format, extensions, prettyname,
                                            shortcut, viewer, editor, mime, flgs);
                        }
                        break;
@@ -1066,6 +1097,10 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                        lexrc >> default_otf_view_format;
                        break;
 
+               case RC_DEFAULT_PLATEX_VIEW_FORMAT:
+                       lexrc >> default_platex_view_format;
+                       break;
+
                case RC_DEFAULT_VIEW_FORMAT:
                        lexrc >> default_view_format;
                        break;
@@ -1220,7 +1255,7 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
        }
 
        /// Update converters data-structures
-       theConverters().update(formats);
+       theConverters().update(theFormats());
        theConverters().buildGraph();
        theBufferList().invalidateConverterCache();
 
@@ -1271,7 +1306,7 @@ namespace {
                             "\"", "\\\"");
        }
 
-}
+} // namespace
 
 
 void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) const
@@ -1308,7 +1343,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_DEFFILE:
                if (ignore_system_lyxrc ||
                    def_file != system_lyxrc.def_file) {
@@ -1325,7 +1360,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                   << "# MISC SECTION ######################################\n"
                   << "#\n\n";
                // bind files are not done here.
-
+               // fall through
        case RC_PATH_PREFIX:
                if (ignore_system_lyxrc ||
                    path_prefix != system_lyxrc.path_prefix) {
@@ -1333,6 +1368,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_UIFILE:
                if (ignore_system_lyxrc ||
                    ui_file != system_lyxrc.ui_file) {
@@ -1341,6 +1377,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_AUTOREGIONDELETE:
                if (ignore_system_lyxrc ||
                    auto_region_delete != system_lyxrc.auto_region_delete) {
@@ -1351,6 +1388,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_AUTORESET_OPTIONS:
                if (ignore_system_lyxrc ||
                    auto_reset_options != system_lyxrc.auto_reset_options) {
@@ -1362,6 +1400,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_AUTOSAVE:
                if (ignore_system_lyxrc ||
                    autosave != system_lyxrc.autosave) {
@@ -1370,6 +1409,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_DISPLAY_GRAPHICS:
                if (ignore_system_lyxrc ||
                    display_graphics != system_lyxrc.display_graphics) {
@@ -1381,6 +1421,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SORT_LAYOUTS:
                if (ignore_system_lyxrc ||
                    sort_layouts != system_lyxrc.sort_layouts) {
@@ -1389,6 +1430,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_GROUP_LAYOUTS:
                if (ignore_system_lyxrc ||
                    group_layouts != system_lyxrc.group_layouts) {
@@ -1397,6 +1439,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_VIEWDVI_PAPEROPTION:
                if (ignore_system_lyxrc ||
                    view_dvi_paper_option
@@ -1408,6 +1451,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_CHKTEX_COMMAND:
                if (ignore_system_lyxrc ||
                    chktex_command != system_lyxrc.chktex_command) {
@@ -1415,6 +1459,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_BIBTEX_ALTERNATIVES: {
                CommandSet::const_iterator it = bibtex_alternatives.begin();
                CommandSet::const_iterator end = bibtex_alternatives.end();
@@ -1427,6 +1472,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                if (tag != RC_LAST)
                        break;
        }
+       // fall through
        case RC_BIBTEX_COMMAND:
                if (ignore_system_lyxrc ||
                    bibtex_command != system_lyxrc.bibtex_command) {
@@ -1434,6 +1480,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_JBIBTEX_COMMAND:
                if (ignore_system_lyxrc ||
                    jbibtex_command != system_lyxrc.jbibtex_command) {
@@ -1441,6 +1488,20 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
+       case RC_JBIBTEX_ALTERNATIVES: {
+               CommandSet::const_iterator it = jbibtex_alternatives.begin();
+               CommandSet::const_iterator end = jbibtex_alternatives.end();
+               for ( ; it != end; ++it) {
+                       if (ignore_system_lyxrc
+                           || !system_lyxrc.jbibtex_alternatives.count(*it))
+                               os << "\\jbibtex_alternatives \""
+                                  << *it << "\"\n";
+               }
+               if (tag != RC_LAST)
+                       break;
+       }
+       // fall through
        case RC_INDEX_ALTERNATIVES: {
                CommandSet::const_iterator it = index_alternatives.begin();
                CommandSet::const_iterator end = index_alternatives.end();
@@ -1453,6 +1514,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                if (tag != RC_LAST)
                        break;
        }
+       // fall through
        case RC_INDEX_COMMAND:
                if (ignore_system_lyxrc ||
                    index_command != system_lyxrc.index_command) {
@@ -1460,6 +1522,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_JINDEX_COMMAND:
                if (ignore_system_lyxrc ||
                    jindex_command != system_lyxrc.jindex_command) {
@@ -1467,6 +1530,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SPLITINDEX_COMMAND:
                if (ignore_system_lyxrc ||
                    splitindex_command != system_lyxrc.splitindex_command) {
@@ -1474,6 +1538,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_NOMENCL_COMMAND:
                if (ignore_system_lyxrc ||
                    nomencl_command != system_lyxrc.nomencl_command) {
@@ -1481,6 +1546,15 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
+       case RC_PYGMENTIZE_COMMAND:
+               if (ignore_system_lyxrc ||
+                   pygmentize_command != system_lyxrc.pygmentize_command) {
+                       os << "\\pygmentize_command \"" << escapeCommand(pygmentize_command) << "\"\n";
+               }
+               if (tag != RC_LAST)
+                       break;
+               // fall through
        case RC_TEX_EXPECTS_WINDOWS_PATHS:
                // Don't write this setting to the preferences file,
                // but allow temporary changes (bug 7557).
@@ -1490,6 +1564,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_TEX_ALLOWS_SPACES:
                if (tex_allows_spaces != system_lyxrc.tex_allows_spaces) {
                        os << "\\tex_allows_spaces "
@@ -1497,6 +1572,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_KBMAP:
                if (ignore_system_lyxrc ||
                    use_kbmap != system_lyxrc.use_kbmap) {
@@ -1504,6 +1580,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_KBMAP_PRIMARY:
                if (ignore_system_lyxrc ||
                    primary_kbmap != system_lyxrc.primary_kbmap) {
@@ -1512,6 +1589,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_KBMAP_SECONDARY:
                if (ignore_system_lyxrc ||
                    secondary_kbmap != system_lyxrc.secondary_kbmap) {
@@ -1520,6 +1598,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SERVERPIPE:
                if (ignore_system_lyxrc ||
                    lyxpipes != system_lyxrc.lyxpipes) {
@@ -1528,6 +1607,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_DATE_INSERT_FORMAT:
                if (ignore_system_lyxrc ||
                    date_insert_format != system_lyxrc.date_insert_format) {
@@ -1536,17 +1616,17 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_USER_NAME:
                os << "\\user_name \"" << user_name << "\"\n";
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_USER_EMAIL:
                os << "\\user_email \"" << user_email << "\"\n";
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_SHOW_BANNER:
                if (ignore_system_lyxrc ||
                    show_banner != system_lyxrc.show_banner) {
@@ -1554,7 +1634,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_PREVIEW:
                if (ignore_system_lyxrc ||
                    preview != system_lyxrc.preview) {
@@ -1574,7 +1654,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_PREVIEW_HASHED_LABELS:
                if (ignore_system_lyxrc ||
                    preview_hashed_labels !=
@@ -1584,7 +1664,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_PREVIEW_SCALE_FACTOR:
                if (ignore_system_lyxrc ||
                    preview_scale_factor != system_lyxrc.preview_scale_factor) {
@@ -1593,7 +1673,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_USE_CONVERTER_CACHE:
                if (ignore_system_lyxrc ||
                    use_converter_cache != system_lyxrc.use_converter_cache) {
@@ -1602,7 +1682,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_USE_CONVERTER_NEEDAUTH_FORBIDDEN:
                if (ignore_system_lyxrc ||
                    use_converter_needauth_forbidden != system_lyxrc.use_converter_needauth_forbidden) {
@@ -1611,7 +1691,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_USE_CONVERTER_NEEDAUTH:
                if (ignore_system_lyxrc ||
                    use_converter_needauth != system_lyxrc.use_converter_needauth) {
@@ -1620,7 +1700,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_CONVERTER_CACHE_MAXAGE:
                if (ignore_system_lyxrc ||
                    converter_cache_maxage != system_lyxrc.converter_cache_maxage) {
@@ -1633,7 +1713,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                os << "\n#\n"
                   << "# SCREEN & FONTS SECTION ############################\n"
                   << "#\n\n";
-
+               // fall through
        case RC_ICON_SET:
                if (ignore_system_lyxrc ||
                    icon_set != system_lyxrc.icon_set) {
@@ -1642,7 +1722,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_USE_SYSTEM_THEME_ICONS:
                if (ignore_system_lyxrc ||
                          use_system_theme_icons != system_lyxrc.use_system_theme_icons) {
@@ -1652,7 +1732,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_SCREEN_DPI:
                if (ignore_system_lyxrc ||
                    dpi != system_lyxrc.dpi) {
@@ -1660,13 +1740,15 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SCREEN_ZOOM:
                if (ignore_system_lyxrc ||
-                   zoom != system_lyxrc.zoom) {
-                       os << "\\screen_zoom " << zoom << '\n';
+                   defaultZoom != system_lyxrc.defaultZoom) {
+                       os << "\\screen_zoom " << defaultZoom << '\n';
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_GEOMETRY_SESSION:
                if (ignore_system_lyxrc ||
                    allow_geometry_session != system_lyxrc.allow_geometry_session) {
@@ -1675,6 +1757,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_CURSOR_FOLLOWS_SCROLLBAR:
                if (ignore_system_lyxrc ||
                    cursor_follows_scrollbar
@@ -1684,6 +1767,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_CURSOR_WIDTH:
                if (ignore_system_lyxrc ||
                        cursor_width
@@ -1693,6 +1777,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SCROLL_BELOW_DOCUMENT:
                if (ignore_system_lyxrc ||
                    scroll_below_document
@@ -1702,6 +1787,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_PARAGRAPH_MARKERS:
                if (ignore_system_lyxrc ||
                        paragraph_markers
@@ -1711,6 +1797,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_MAC_DONTSWAP_CTRL_META:
                if (ignore_system_lyxrc ||
                    mac_dontswap_ctrl_meta
@@ -1720,6 +1807,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_MAC_LIKE_CURSOR_MOVEMENT:
                if (ignore_system_lyxrc ||
                    mac_like_cursor_movement
@@ -1729,6 +1817,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_MACRO_EDIT_STYLE:
                if (ignore_system_lyxrc ||
                    macro_edit_style
@@ -1742,6 +1831,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_DIALOGS_ICONIFY_WITH_MAIN:
                if (ignore_system_lyxrc ||
                    dialogs_iconify_with_main
@@ -1751,6 +1841,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SCREEN_FONT_ROMAN:
                if (ignore_system_lyxrc ||
                    roman_font_name != system_lyxrc.roman_font_name) {
@@ -1759,6 +1850,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SCREEN_FONT_ROMAN_FOUNDRY:
                if (ignore_system_lyxrc ||
                    roman_font_foundry != system_lyxrc.roman_font_foundry) {
@@ -1767,6 +1859,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SCREEN_FONT_SANS:
                if (ignore_system_lyxrc ||
                    sans_font_name != system_lyxrc.sans_font_name) {
@@ -1775,6 +1868,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SCREEN_FONT_SANS_FOUNDRY:
                if (ignore_system_lyxrc ||
                    sans_font_foundry != system_lyxrc.sans_font_foundry) {
@@ -1783,6 +1877,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SCREEN_FONT_TYPEWRITER:
                if (ignore_system_lyxrc ||
                    typewriter_font_name != system_lyxrc.typewriter_font_name) {
@@ -1791,6 +1886,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
                if (ignore_system_lyxrc ||
                    typewriter_font_foundry != system_lyxrc.typewriter_font_foundry) {
@@ -1799,7 +1895,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_SCREEN_FONT_SCALABLE:
                if (ignore_system_lyxrc ||
                    use_scalable_fonts != system_lyxrc.use_scalable_fonts) {
@@ -1809,6 +1905,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SCREEN_FONT_SIZES:
                if (ignore_system_lyxrc ||
                    font_sizes[FONT_SIZE_TINY]
@@ -1851,6 +1948,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_FULL_SCREEN_LIMIT:
                if (ignore_system_lyxrc ||
                    full_screen_limit != system_lyxrc.full_screen_limit) {
@@ -1860,6 +1958,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_FULL_SCREEN_TOOLBARS:
                if (ignore_system_lyxrc ||
                    full_screen_toolbars != system_lyxrc.full_screen_toolbars) {
@@ -1869,6 +1968,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_FULL_SCREEN_SCROLLBAR:
                if (ignore_system_lyxrc ||
                    full_screen_scrollbar != system_lyxrc.full_screen_scrollbar) {
@@ -1878,6 +1978,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_FULL_SCREEN_STATUSBAR:
                if (ignore_system_lyxrc ||
                    full_screen_statusbar != system_lyxrc.full_screen_statusbar) {
@@ -1887,6 +1988,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_FULL_SCREEN_TABBAR:
                if (ignore_system_lyxrc ||
                    full_screen_tabbar != system_lyxrc.full_screen_tabbar) {
@@ -1896,6 +1998,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_FULL_SCREEN_MENUBAR:
                if (ignore_system_lyxrc ||
                    full_screen_menubar != system_lyxrc.full_screen_menubar) {
@@ -1905,6 +2008,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_FULL_SCREEN_WIDTH:
                if (ignore_system_lyxrc ||
                    full_screen_width != system_lyxrc.full_screen_width) {
@@ -1914,6 +2018,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_OPEN_BUFFERS_IN_TABS:
                if (ignore_system_lyxrc ||
                    open_buffers_in_tabs != system_lyxrc.open_buffers_in_tabs) {
@@ -1923,6 +2028,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SINGLE_CLOSE_TAB_BUTTON:
                if (ignore_system_lyxrc ||
                    single_close_tab_button != system_lyxrc.single_close_tab_button) {
@@ -1932,6 +2038,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SINGLE_INSTANCE:
                if (ignore_system_lyxrc ||
                    single_instance != system_lyxrc.single_instance) {
@@ -1941,6 +2048,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_FORWARD_SEARCH_DVI:
                if (ignore_system_lyxrc ||
                    forward_search_dvi != system_lyxrc.forward_search_dvi) {
@@ -1948,6 +2056,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_FORWARD_SEARCH_PDF:
                if (ignore_system_lyxrc ||
                    forward_search_pdf != system_lyxrc.forward_search_pdf) {
@@ -1960,6 +2069,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                        << "# COLOR SECTION ###################################\n"
                        << "#\n\n";
 
+       // fall through
        case RC_SET_COLOR:
                for (int i = 0; i < Color_ignore; ++i) {
                        ColorCode lc = static_cast<ColorCode>(i);
@@ -1978,6 +2088,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                 << "# PRINTER SECTION ###################################\n"
                 << "#\n\n";
 
+       // fall through
        case RC_PRINTLANDSCAPEFLAG:
                if (ignore_system_lyxrc ||
                    print_landscape_flag != system_lyxrc.print_landscape_flag) {
@@ -1986,7 +2097,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_PRINTPAPERFLAG:
                if (ignore_system_lyxrc ||
                    print_paper_flag != system_lyxrc.print_paper_flag) {
@@ -1995,7 +2106,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_PRINTPAPERDIMENSIONFLAG:
                if (ignore_system_lyxrc ||
                    print_paper_dimension_flag
@@ -2010,6 +2121,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                 << "# TEX SECTION #######################################\n"
                 << "#\n\n";
 
+       // fall through
        case RC_TEXINPUTS_PREFIX:
                if (ignore_system_lyxrc ||
                    texinputs_prefix != system_lyxrc.texinputs_prefix) {
@@ -2017,7 +2129,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_FONT_ENCODING:
                if (ignore_system_lyxrc ||
                    fontenc != system_lyxrc.fontenc) {
@@ -2030,6 +2142,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                   << "# FILE SECTION ######################################\n"
                   << "#\n\n";
 
+       // fall through
        case RC_DOCUMENTPATH:
                if (ignore_system_lyxrc ||
                    document_path != system_lyxrc.document_path) {
@@ -2038,6 +2151,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_USELASTFILEPOS:
                if (ignore_system_lyxrc ||
                    use_lastfilepos != system_lyxrc.use_lastfilepos) {
@@ -2046,6 +2160,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_LOADSESSION:
                if (ignore_system_lyxrc ||
                    load_session != system_lyxrc.load_session) {
@@ -2054,6 +2169,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_MOUSE_WHEEL_SPEED:
                if (ignore_system_lyxrc ||
                    mouse_wheel_speed != system_lyxrc.mouse_wheel_speed) {
@@ -2061,6 +2177,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_MOUSE_MIDDLEBUTTON_PASTE:
                if (ignore_system_lyxrc ||
                    mouse_middlebutton_paste != system_lyxrc.mouse_middlebutton_paste) {
@@ -2069,6 +2186,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_INLINE_DELAY:
                if (ignore_system_lyxrc ||
                    completion_inline_delay != system_lyxrc.completion_inline_delay) {
@@ -2076,6 +2194,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_INLINE_MATH:
                if (ignore_system_lyxrc ||
                    completion_inline_math != system_lyxrc.completion_inline_math) {
@@ -2084,6 +2203,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_INLINE_TEXT:
                if (ignore_system_lyxrc ||
                    completion_inline_text != system_lyxrc.completion_inline_text) {
@@ -2092,6 +2212,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_INLINE_DOTS:
                if (ignore_system_lyxrc ||
                    completion_inline_dots != system_lyxrc.completion_inline_dots) {
@@ -2100,6 +2221,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_AUTOCORRECTION_MATH:
                if (ignore_system_lyxrc ||
                    autocorrection_math != system_lyxrc.autocorrection_math) {
@@ -2108,6 +2230,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_POPUP_DELAY:
                if (ignore_system_lyxrc ||
                    completion_popup_delay != system_lyxrc.completion_popup_delay) {
@@ -2115,6 +2238,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_POPUP_MATH:
                if (ignore_system_lyxrc ||
                    completion_popup_math != system_lyxrc.completion_popup_math) {
@@ -2123,6 +2247,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_POPUP_TEXT:
                if (ignore_system_lyxrc ||
                    completion_popup_text != system_lyxrc.completion_popup_text) {
@@ -2131,6 +2256,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_CURSOR_TEXT:
                if (ignore_system_lyxrc ||
                    completion_cursor_text != system_lyxrc.completion_cursor_text) {
@@ -2139,6 +2265,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_POPUP_AFTER_COMPLETE:
                if (ignore_system_lyxrc ||
                    completion_popup_after_complete
@@ -2148,6 +2275,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_MINLENGTH:
                if (ignore_system_lyxrc ||
                        completion_minlength != system_lyxrc.completion_minlength) {
@@ -2156,14 +2284,15 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
-               case RC_NUMLASTFILES:
+               // fall through
+       case RC_NUMLASTFILES:
                if (ignore_system_lyxrc ||
                    num_lastfiles != system_lyxrc.num_lastfiles) {
                        os << "\\num_lastfiles " << num_lastfiles << '\n';
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_CHECKLASTFILES:
                if (ignore_system_lyxrc ||
                    check_lastfiles != system_lyxrc.check_lastfiles) {
@@ -2172,6 +2301,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_EXAMPLEPATH:
                if (ignore_system_lyxrc ||
                    example_path != system_lyxrc.example_path) {
@@ -2180,6 +2310,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_TEMPLATEPATH:
                if (ignore_system_lyxrc ||
                    template_path != system_lyxrc.template_path) {
@@ -2188,6 +2319,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_TEMPDIRPATH:
                if (ignore_system_lyxrc ||
                    tempdir_path != system_lyxrc.tempdir_path) {
@@ -2196,6 +2328,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_THESAURUSDIRPATH:
                if (ignore_system_lyxrc ||
                    thesaurusdir_path != system_lyxrc.thesaurusdir_path) {
@@ -2204,6 +2337,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_HUNSPELLDIR_PATH:
                if (ignore_system_lyxrc ||
                    hunspelldir_path != system_lyxrc.hunspelldir_path) {
@@ -2212,6 +2346,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_PLAINTEXT_LINELEN:
                if (ignore_system_lyxrc ||
                    plaintext_linelen != system_lyxrc.plaintext_linelen) {
@@ -2219,6 +2354,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_MAKE_BACKUP:
                if (ignore_system_lyxrc ||
                    make_backup != system_lyxrc.make_backup) {
@@ -2226,6 +2362,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SAVE_COMPRESSED:
                if (ignore_system_lyxrc ||
                    save_compressed != system_lyxrc.save_compressed) {
@@ -2233,6 +2370,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SAVE_ORIGIN:
                if (ignore_system_lyxrc ||
                    save_origin != system_lyxrc.save_origin) {
@@ -2240,6 +2378,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_BACKUPDIR_PATH:
                if (ignore_system_lyxrc ||
                    backupdir_path != system_lyxrc.backupdir_path) {
@@ -2257,6 +2396,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                   << "# SPELLCHECKER SECTION ##############################\n"
                   << "#\n\n";
 
+       // fall through
        case RC_ACCEPT_COMPOUND:
                if (ignore_system_lyxrc ||
                    spellchecker_accept_compound != system_lyxrc.spellchecker_accept_compound) {
@@ -2265,6 +2405,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_ALT_LANG:
                if (ignore_system_lyxrc ||
                    spellchecker_alt_lang != system_lyxrc.spellchecker_alt_lang) {
@@ -2273,6 +2414,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_ESC_CHARS:
                if (ignore_system_lyxrc ||
                    spellchecker_esc_chars != system_lyxrc.spellchecker_esc_chars) {
@@ -2280,6 +2422,17 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
+       case RC_USE_NATIVE_FILEDIALOG:
+               if (ignore_system_lyxrc ||
+                   use_native_filedialog != system_lyxrc.use_native_filedialog) {
+                       os << "\\use_native_filedialog "
+                          << convert<string>(use_native_filedialog)
+                          << '\n';
+               }
+               if (tag != RC_LAST)
+                       break;
+               // fall through
        case RC_USE_SYSTEM_COLORS:
                if (ignore_system_lyxrc ||
                    use_system_colors != system_lyxrc.use_system_colors) {
@@ -2289,6 +2442,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_USE_TOOLTIP:
                if (ignore_system_lyxrc ||
                    use_tooltip != system_lyxrc.use_tooltip) {
@@ -2298,6 +2452,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_USE_PIXMAP_CACHE:
                if (ignore_system_lyxrc ||
                    use_pixmap_cache != system_lyxrc.use_pixmap_cache) {
@@ -2307,6 +2462,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_USE_QIMAGE:
                if (ignore_system_lyxrc ||
                    use_qimage != system_lyxrc.use_qimage) {
@@ -2321,6 +2477,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                   << "# LANGUAGE SUPPORT SECTION ##########################\n"
                   << "#\n\n";
 
+       // fall through
        case RC_DEFAULT_DECIMAL_POINT:
                if (ignore_system_lyxrc ||
                    default_decimal_point != system_lyxrc.default_decimal_point) {
@@ -2328,7 +2485,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_DEFAULT_LENGTH_UNIT:
                if (ignore_system_lyxrc ||
                    default_length_unit != system_lyxrc.default_length_unit) {
@@ -2336,7 +2493,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_SPELLCHECKER:
                if (ignore_system_lyxrc ||
                    spellchecker != system_lyxrc.spellchecker) {
@@ -2344,7 +2501,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_SPELLCHECK_CONTINUOUSLY:
                if (ignore_system_lyxrc ||
                    spellcheck_continuously != system_lyxrc.spellcheck_continuously) {
@@ -2353,7 +2510,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_SPELLCHECK_NOTES:
                if (ignore_system_lyxrc ||
                    spellcheck_notes != system_lyxrc.spellcheck_notes) {
@@ -2362,7 +2519,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_VISUAL_CURSOR:
                if (ignore_system_lyxrc ||
                        visual_cursor != system_lyxrc.visual_cursor) {
@@ -2370,6 +2527,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_CLOSE_BUFFER_WITH_LAST_VIEW:
                if (ignore_system_lyxrc ||
                        close_buffer_with_last_view != system_lyxrc.close_buffer_with_last_view) {
@@ -2378,6 +2536,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_LANGUAGE_CUSTOM_PACKAGE:
                if (ignore_system_lyxrc ||
                    language_custom_package != system_lyxrc.language_custom_package) {
@@ -2386,6 +2545,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_LANGUAGE_GLOBAL_OPTIONS:
                if (ignore_system_lyxrc ||
                    language_global_options
@@ -2396,6 +2556,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_LANGUAGE_PACKAGE_SELECTION:
                if (ignore_system_lyxrc ||
                    language_package_selection != system_lyxrc.language_package_selection) {
@@ -2417,6 +2578,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_LANGUAGE_COMMAND_BEGIN:
                if (ignore_system_lyxrc ||
                    language_command_begin
@@ -2427,6 +2589,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_LANGUAGE_COMMAND_END:
                if (ignore_system_lyxrc ||
                    language_command_end
@@ -2436,6 +2599,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_LANGUAGE_COMMAND_LOCAL:
                if (ignore_system_lyxrc ||
                    language_command_local
@@ -2446,6 +2610,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_LANGUAGE_AUTO_BEGIN:
                if (ignore_system_lyxrc ||
                    language_auto_begin != system_lyxrc.language_auto_begin) {
@@ -2454,6 +2619,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_LANGUAGE_AUTO_END:
                if (ignore_system_lyxrc ||
                    language_auto_end != system_lyxrc.language_auto_end) {
@@ -2462,6 +2628,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_MARK_FOREIGN_LANGUAGE:
                if (ignore_system_lyxrc ||
                    mark_foreign_language
@@ -2476,6 +2643,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                   << "# 2nd MISC SUPPORT SECTION ##########################\n"
                   << "#\n\n";
 
+       // fall through
        case RC_AUTO_NUMBER:
                if (ignore_system_lyxrc ||
                    auto_number != system_lyxrc.auto_number) {
@@ -2483,6 +2651,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_GUI_LANGUAGE:
                if (ignore_system_lyxrc ||
                    gui_language != system_lyxrc.gui_language) {
@@ -2490,6 +2659,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_EXPORT_OVERWRITE:
                if (ignore_system_lyxrc ||
                    export_overwrite != system_lyxrc.export_overwrite) {
@@ -2509,7 +2679,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_SCROLL_WHEEL_ZOOM:
                if (ignore_system_lyxrc ||
                        scroll_wheel_zoom != system_lyxrc.scroll_wheel_zoom) {
@@ -2537,12 +2707,13 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                   << "# FORMATS SECTION ##########################\n"
                   << "#\n\n";
 
+       // fall through
        case RC_FILEFORMAT:
                // New/modified formats
-               for (Formats::const_iterator cit = formats.begin();
-                    cit != formats.end(); ++cit) {
+               for (Formats::const_iterator cit = theFormats().begin();
+                    cit != theFormats().end(); ++cit) {
                        Format const * format =
-                               system_formats.getFormat(cit->name());
+                               theSystemFormats().getFormat(cit->name());
                        if (!format ||
                            format->extensions() != cit->extensions() ||
                            format->prettyname() != cit->prettyname() ||
@@ -2552,6 +2723,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                            format->documentFormat() != cit->documentFormat() ||
                            format->vectorFormat() != cit->vectorFormat() ||
                            format->inExportMenu() != cit->inExportMenu() ||
+                           format->noMenu() != cit->noMenu() ||
                            format->mime() != cit->mime()) {
                                os << "\\format \"" << cit->name() << "\" \""
                                   << cit->extensions() << "\" \""
@@ -2575,13 +2747,14 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
 
                // Look for deleted formats
-               for (Formats::const_iterator cit = system_formats.begin();
-                    cit != system_formats.end(); ++cit)
-                       if (!formats.getFormat(cit->name()))
+               for (Formats::const_iterator cit = theSystemFormats().begin();
+                    cit != theSystemFormats().end(); ++cit)
+                       if (!theFormats().getFormat(cit->name()))
                                os << "\\format \"" << cit->name()
                                   << "\" \"\" \"\" \"\" \"\" \"\" \"\" \"\"\n";
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_VIEWER_ALTERNATIVES: {
                Alternatives::const_iterator it = viewer_alternatives.begin();
                Alternatives::const_iterator const en = viewer_alternatives.end();
@@ -2607,6 +2780,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                if (tag != RC_LAST)
                        break;
        }
+       // fall through
        case RC_EDITOR_ALTERNATIVES: {
                Alternatives::const_iterator it = editor_alternatives.begin();
                Alternatives::const_iterator const en = editor_alternatives.end();
@@ -2632,6 +2806,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                if (tag != RC_LAST)
                        break;
        }
+       // fall through
        case RC_DEFAULT_OTF_VIEW_FORMAT:
                if ((ignore_system_lyxrc ||
                     default_otf_view_format != system_lyxrc.default_otf_view_format)
@@ -2640,6 +2815,16 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
+       case RC_DEFAULT_PLATEX_VIEW_FORMAT:
+               if ((ignore_system_lyxrc ||
+                    default_platex_view_format != system_lyxrc.default_platex_view_format)
+                   && !default_platex_view_format.empty()) {
+                       os << "\\default_platex_view_format " << default_platex_view_format << '\n';
+               }
+               if (tag != RC_LAST)
+                       break;
+               // fall through
        case RC_DEFAULT_VIEW_FORMAT:
                if (ignore_system_lyxrc ||
                    default_view_format != system_lyxrc.default_view_format) {
@@ -2647,6 +2832,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_VIEWER:
                // Ignore it
                if (tag != RC_LAST)
@@ -2656,6 +2842,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                   << "# CONVERTERS SECTION ##########################\n"
                   << "#\n\n";
 
+       // fall through
        case RC_CONVERTER:
                // Look for new converters
                for (Converters::const_iterator cit = theConverters().begin();
@@ -2680,7 +2867,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                                   << "\" \"" << cit->to() << "\" \"\" \"\"\n";
                if (tag != RC_LAST)
                        break;
-
+               // fall through
        case RC_COPIER:
                if (tag == RC_LAST)
                        os << "\n#\n"
@@ -2764,6 +2951,7 @@ void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
        case LyXRC::RC_DATE_INSERT_FORMAT:
        case LyXRC::RC_GUI_LANGUAGE:
        case LyXRC::RC_DEFAULT_OTF_VIEW_FORMAT:
+       case LyXRC::RC_DEFAULT_PLATEX_VIEW_FORMAT:
        case LyXRC::RC_DEFAULT_VIEW_FORMAT:
        case LyXRC::RC_DEFFILE:
        case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
@@ -2786,8 +2974,10 @@ void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
        case LyXRC::RC_INDEX_ALTERNATIVES:
        case LyXRC::RC_INDEX_COMMAND:
        case LyXRC::RC_JBIBTEX_COMMAND:
+       case LyXRC::RC_JBIBTEX_ALTERNATIVES:
        case LyXRC::RC_JINDEX_COMMAND:
        case LyXRC::RC_NOMENCL_COMMAND:
+       case LyXRC::RC_PYGMENTIZE_COMMAND:
        case LyXRC::RC_INPUT:
        case LyXRC::RC_KBMAP:
        case LyXRC::RC_KBMAP_PRIMARY:
@@ -2812,12 +3002,20 @@ void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
        case LyXRC::RC_PARAGRAPH_MARKERS:
        case LyXRC::RC_PATH_PREFIX:
                if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
-                       prependEnvPath("PATH", lyxrc_new.path_prefix);
+                       prependEnvPath("PATH", replaceEnvironmentPath(lyxrc_new.path_prefix));
                        // Resets python path
                        support::os::python(true);
                }
                // fall through
        case LyXRC::RC_PREVIEW:
+               if (lyxrc_orig.preview != lyxrc_new.preview) {
+                       // Update all previews of all documents.
+                       /* FIXME: this can be very expensive. It would be cheaper
+                        * to kill all existing previews and update visible
+                        * previews.*/
+                       theBufferList().updatePreviews();
+               }
+               // fall through
        case LyXRC::RC_PREVIEW_HASHED_LABELS:
        case LyXRC::RC_PREVIEW_SCALE_FACTOR:
        case LyXRC::RC_PRINTLANDSCAPEFLAG:
@@ -2826,6 +3024,7 @@ void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
        case LyXRC::RC_SAVE_COMPRESSED:
        case LyXRC::RC_SAVE_ORIGIN:
        case LyXRC::RC_SCREEN_DPI:
+
        case LyXRC::RC_SCREEN_FONT_ROMAN:
        case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
        case LyXRC::RC_SCREEN_FONT_SANS:
@@ -2834,8 +3033,20 @@ void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
        case LyXRC::RC_SCREEN_FONT_SIZES:
        case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
        case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
-       case LyXRC::RC_GEOMETRY_SESSION:
        case LyXRC::RC_SCREEN_ZOOM:
+               if (lyxrc_orig.roman_font_name != lyxrc_new.roman_font_name
+               || lyxrc_orig.sans_font_name != lyxrc_new.sans_font_name
+               || lyxrc_orig.typewriter_font_name != lyxrc_new.typewriter_font_name
+               || lyxrc_orig.roman_font_foundry != lyxrc_new.roman_font_foundry
+               || lyxrc_orig.sans_font_foundry != lyxrc_new.sans_font_foundry
+               || lyxrc_orig.use_scalable_fonts != lyxrc_new.use_scalable_fonts
+               || lyxrc_orig.font_sizes != lyxrc_new.font_sizes
+               || lyxrc_orig.typewriter_font_foundry != lyxrc_new.typewriter_font_foundry
+               || lyxrc_orig.defaultZoom != lyxrc_new.defaultZoom) {
+               dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
+       }
+               // fall through
+       case LyXRC::RC_GEOMETRY_SESSION:
        case LyXRC::RC_SERVERPIPE:
        case LyXRC::RC_SET_COLOR:
        case LyXRC::RC_SHOW_BANNER:
@@ -2863,6 +3074,7 @@ void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
        case LyXRC::RC_USE_CONVERTER_CACHE:
        case LyXRC::RC_USE_CONVERTER_NEEDAUTH_FORBIDDEN:
        case LyXRC::RC_USE_CONVERTER_NEEDAUTH:
+       case LyXRC::RC_USE_NATIVE_FILEDIALOG:
        case LyXRC::RC_USE_SYSTEM_COLORS:
        case LyXRC::RC_USE_TOOLTIP:
        case LyXRC::RC_USE_PIXMAP_CACHE:
@@ -3046,6 +3258,10 @@ string const LyXRC::getDescription(LyXRCTags tag)
                str = _("Define the options of makeindex (cf. man makeindex) to be used for nomenclatures. This might differ from the index processing options.");
                break;
 
+       case RC_PYGMENTIZE_COMMAND:
+               str = _("The command to run the python pygments syntax highlighter.");
+               break;
+
        case RC_INPUT:
                break;