]> git.lyx.org Git - lyx.git/blobdiff - src/LyXRC.cpp
de.po
[lyx.git] / src / LyXRC.cpp
index 802e3cd47bd42ecbb24cd725334e82d38f4d55e4..99289aa1b02fd68de1036dc8d3ef695149d34887 100644 (file)
@@ -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"
@@ -59,8 +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 = 22; // ef: pygmentize_command
-
+static unsigned int const LYXRC_FILEFORMAT = 29; // spitz: remove \\date_insert_format
 // when adding something to this array keep it sorted!
 LexerKeyword lyxrcTags[] = {
        { "\\accept_compound", LyXRC::RC_ACCEPT_COMPOUND },
@@ -93,11 +94,11 @@ LexerKeyword lyxrcTags[] = {
        { "\\copier", LyXRC::RC_COPIER },
        { "\\cursor_follows_scrollbar", LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR },
        { "\\cursor_width", LyXRC::RC_CURSOR_WIDTH },
-       { "\\date_insert_format", LyXRC::RC_DATE_INSERT_FORMAT },
        { "\\def_file", LyXRC::RC_DEFFILE },
        { "\\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 },
@@ -106,7 +107,6 @@ LexerKeyword lyxrcTags[] = {
        { "\\escape_chars", LyXRC::RC_ESC_CHARS },
        { "\\example_path", LyXRC::RC_EXAMPLEPATH },
        { "\\export_overwrite", LyXRC::RC_EXPORT_OVERWRITE },
-       { "\\font_encoding", LyXRC::RC_FONT_ENCODING },
        { "\\format", LyXRC::RC_FILEFORMAT },
        { "\\forward_search_dvi", LyXRC::RC_FORWARD_SEARCH_DVI },
        { "\\forward_search_pdf", LyXRC::RC_FORWARD_SEARCH_PDF },
@@ -194,8 +194,7 @@ 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_pixmap_cache", LyXRC::RC_USE_PIXMAP_CACHE },
-       { "\\use_qimage", LyXRC::RC_USE_QIMAGE },
+       { "\\use_native_filedialog", LyXRC::RC_USE_NATIVE_FILEDIALOG },
        // compatibility with versions older than 1.4.0 only
        { "\\use_system_colors", LyXRC::RC_USE_SYSTEM_COLORS },
        { "\\use_system_theme_icons", LyXRC::RC_USE_SYSTEM_THEME_ICONS },
@@ -212,160 +211,6 @@ LexerKeyword lyxrcTags[] = {
 
 const int lyxrcCount = sizeof(lyxrcTags) / sizeof(lyxrcTags[0]);
 
-} // namespace anon
-
-
-LyXRC::LyXRC()
-{
-       setDefaults();
-}
-
-
-void LyXRC::setDefaults()
-{
-       icon_set = string();
-       use_system_theme_icons = false;
-       bind_file = "cua";
-       def_file = "default";
-       ui_file = "default";
-       // The current document directory
-       texinputs_prefix = ".";
-       print_landscape_flag = "-t landscape";
-       print_paper_flag = "-t";
-       print_paper_dimension_flag = "-T";
-       document_path.erase();
-       view_dvi_paper_option.erase();
-       default_view_format = "pdf2";
-       default_otf_view_format = "pdf4";
-       chktex_command = "chktex -n1 -n3 -n6 -n9 -n22 -n25 -n30 -n38";
-       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;
-       currentZoom = zoom;
-       allow_geometry_session = true;
-       // Default LaTeX font size:
-       font_sizes[FONT_SIZE_TINY] = "5.0";
-       font_sizes[FONT_SIZE_SCRIPT] = "7.0";
-       font_sizes[FONT_SIZE_FOOTNOTE] = "8.0";
-       font_sizes[FONT_SIZE_SMALL] = "9.0";
-       font_sizes[FONT_SIZE_NORMAL] = "10.0";
-       font_sizes[FONT_SIZE_LARGE] = "12.0";
-       font_sizes[FONT_SIZE_LARGER] = "14.4";
-       font_sizes[FONT_SIZE_LARGEST] = "17.26";
-       font_sizes[FONT_SIZE_HUGE] = "20.74";
-       font_sizes[FONT_SIZE_HUGER] = "24.88";
-       use_scalable_fonts = true;
-       roman_font_name = "";
-       sans_font_name = "";
-       typewriter_font_name = "";
-       autosave = 300;
-       auto_region_delete = true;
-       auto_reset_options = false;
-       plaintext_linelen = 65;
-       mouse_wheel_speed = 1.0;
-       num_lastfiles = 20;
-       check_lastfiles = true;
-       use_lastfilepos = true;
-       load_session = false;
-       make_backup = true;
-       save_compressed = false;
-       save_origin = false;
-       backupdir_path.erase();
-       display_graphics = true;
-       // Spellchecker settings:
-// FIXME: this check should test the target platform (darwin)
-#if defined(USE_MACOSX_PACKAGING)
-       spellchecker = "native";
-#elif defined(USE_ASPELL)
-       spellchecker = "aspell";
-#elif defined(USE_HUNSPELL)
-       spellchecker = "hunspell";
-#else
-       spellchecker = "aspell";
-#endif
-       spellchecker_accept_compound = false;
-       spellcheck_continuously = false;
-       completion_minlength = 6;
-       spellcheck_notes = true;
-       use_kbmap = false;
-       visual_cursor = false;
-       auto_number = true;
-       mark_foreign_language = true;
-       language_auto_begin = true;
-       language_auto_end = true;
-       language_global_options = true;
-       language_package_selection = LP_AUTO;
-       language_custom_package = "\\usepackage{babel}";
-       language_command_begin = "\\selectlanguage{$$lang}";
-       language_command_local = "\\foreignlanguage{$$lang}{";
-       sort_layouts = false;
-       group_layouts = true;
-       gui_language = "auto";
-       show_banner = true;
-       windows_style_tex_paths = false;
-       tex_allows_spaces = false;
-       date_insert_format = "%x";
-       cursor_follows_scrollbar = false;
-       scroll_below_document = false;
-       scroll_wheel_zoom = SCROLL_WHEEL_ZOOM_CTRL;
-       paragraph_markers = false;
-       mac_dontswap_ctrl_meta = false;
-       mac_like_cursor_movement = false;
-       macro_edit_style = MACRO_EDIT_INLINE_BOX;
-       dialogs_iconify_with_main = false;
-       preview = PREVIEW_OFF;
-       preview_hashed_labels  = false;
-       preview_scale_factor = 1.0;
-       use_converter_cache = true;
-       use_converter_needauth_forbidden = true;
-       use_converter_needauth = true;
-       use_system_colors = false;
-       use_tooltip = true;
-       use_pixmap_cache = false;
-       use_qimage = true;
-       converter_cache_maxage = 6 * 30 * 24 * 3600; // 6 months
-       user_name = to_utf8(support::user_name());
-       user_email = to_utf8(support::user_email());
-       open_buffers_in_tabs = true;
-       single_close_tab_button = false;
-       single_instance = true;
-       forward_search_dvi = string();
-       forward_search_pdf = string();
-       export_overwrite = NO_FILES;
-
-       // Fullscreen settings
-       full_screen_limit = false;
-       full_screen_toolbars = true;
-       full_screen_tabbar = true;
-       full_screen_menubar = true;
-       full_screen_statusbar = true;
-       full_screen_scrollbar = true;
-       full_screen_width = 700;
-
-       completion_cursor_text = true;
-       completion_popup_math = true;
-       completion_popup_text = false;
-       completion_popup_delay = 2.0;
-       completion_popup_after_complete = true;
-       autocorrection_math = false;
-       completion_inline_math = true;
-       completion_inline_text = false;
-       completion_inline_dots = -1;
-       completion_inline_delay = 0.2;
-       default_decimal_point = ".";
-       default_length_unit = Length::CM;
-       cursor_width = 1;
-       close_buffer_with_last_view = "yes";
-       mouse_middlebutton_paste = true;
-}
-
-
-namespace {
 
 void oldFontFormat(string & family, string & foundry)
 {
@@ -377,7 +222,7 @@ void oldFontFormat(string & family, string & foundry)
                foundry.erase();
 }
 
-} // namespace anon
+} // namespace
 
 
 bool LyXRC::read(FileName const & filename, bool check_format)
@@ -405,6 +250,8 @@ 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;
 }
@@ -430,7 +277,7 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                return ReadError;
 
        // format prior to 2.0 and introduction of format tag
-       unsigned int format = 0;
+       unsigned int rc_format = 0;
 
        while (lexrc.isOK()) {
                // By using two switches we take advantage of the compiler
@@ -453,14 +300,14 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                switch (static_cast<LyXRCTags>(le)) {
                case RC_LYXRCFORMAT:
                        if (lexrc.next())
-                               format = lexrc.getInteger();
+                               rc_format = lexrc.getInteger();
                        break;
                case RC_INPUT: // Include file
                        if (lexrc.next()) {
                                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());
                                }
@@ -530,10 +377,6 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                        }
                        break;
 
-               case RC_FONT_ENCODING:
-                       lexrc >> fontenc;
-                       break;
-
                case RC_PRINTLANDSCAPEFLAG:
                        lexrc >> print_landscape_flag;
                        break;
@@ -624,9 +467,9 @@ 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:
@@ -871,18 +714,15 @@ 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;
                case RC_USE_TOOLTIP:
                        lexrc >> use_tooltip;
                        break;
-               case RC_USE_PIXMAP_CACHE:
-                       lexrc >> use_pixmap_cache;
-                       break;
-               case RC_USE_QIMAGE:
-                       lexrc >> use_qimage;
-                       break;
                case RC_SPELLCHECKER:
                        lexrc >> spellchecker;
                        break;
@@ -918,9 +758,6 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
                        if (lexrc.next())
                                default_length_unit = (Length::UNIT) lexrc.getInteger();
                        break;
-               case RC_DATE_INSERT_FORMAT:
-                       lexrc >> date_insert_format;
-                       break;
                case RC_LANGUAGE_CUSTOM_PACKAGE:
                        lexrc >> language_custom_package;
                        break;
@@ -1082,6 +919,10 @@ 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;
@@ -1231,7 +1072,7 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
 
                // This is triggered the first time through the loop unless
                // we hit a format tag.
-               if (check_format && format != LYXRC_FILEFORMAT)
+               if (check_format && rc_format != LYXRC_FILEFORMAT)
                        return FormatMismatch;
        }
 
@@ -1287,7 +1128,7 @@ namespace {
                             "\"", "\\\"");
        }
 
-}
+} // namespace
 
 
 void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) const
@@ -1324,7 +1165,7 @@ 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) {
@@ -1341,7 +1182,7 @@ 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) {
@@ -1349,6 +1190,7 @@ 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) {
@@ -1357,6 +1199,7 @@ 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) {
@@ -1367,6 +1210,7 @@ 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) {
@@ -1378,6 +1222,7 @@ 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) {
@@ -1386,6 +1231,7 @@ 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) {
@@ -1397,6 +1243,7 @@ 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) {
@@ -1405,6 +1252,7 @@ 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) {
@@ -1413,6 +1261,7 @@ 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
@@ -1424,6 +1273,7 @@ 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) {
@@ -1431,6 +1281,7 @@ 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();
@@ -1443,6 +1294,7 @@ 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) {
@@ -1450,6 +1302,7 @@ 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) {
@@ -1457,6 +1310,7 @@ 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();
@@ -1469,6 +1323,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                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();
@@ -1481,6 +1336,7 @@ 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) {
@@ -1488,6 +1344,7 @@ 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) {
@@ -1495,6 +1352,7 @@ 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) {
@@ -1502,6 +1360,7 @@ 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) {
@@ -1509,6 +1368,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_PYGMENTIZE_COMMAND:
                if (ignore_system_lyxrc ||
                    pygmentize_command != system_lyxrc.pygmentize_command) {
@@ -1516,6 +1376,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                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).
@@ -1525,6 +1386,7 @@ 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 "
@@ -1532,6 +1394,7 @@ 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) {
@@ -1539,6 +1402,7 @@ 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) {
@@ -1547,6 +1411,7 @@ 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) {
@@ -1555,6 +1420,7 @@ 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) {
@@ -1563,25 +1429,17 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-       case RC_DATE_INSERT_FORMAT:
-               if (ignore_system_lyxrc ||
-                   date_insert_format != system_lyxrc.date_insert_format) {
-                       os << "\\date_insert_format \"" << date_insert_format
-                          << "\"\n";
-               }
-               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) {
@@ -1589,7 +1447,7 @@ 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) {
@@ -1609,7 +1467,7 @@ 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 !=
@@ -1619,7 +1477,7 @@ 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) {
@@ -1628,7 +1486,7 @@ 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) {
@@ -1637,7 +1495,7 @@ 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) {
@@ -1646,7 +1504,7 @@ 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) {
@@ -1655,7 +1513,7 @@ 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) {
@@ -1668,7 +1526,7 @@ 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) {
@@ -1677,7 +1535,7 @@ 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) {
@@ -1687,7 +1545,7 @@ 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) {
@@ -1695,13 +1553,15 @@ 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) {
@@ -1710,6 +1570,7 @@ 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
@@ -1719,6 +1580,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_CURSOR_WIDTH:
                if (ignore_system_lyxrc ||
                        cursor_width
@@ -1728,6 +1590,7 @@ 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
@@ -1737,6 +1600,7 @@ 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
@@ -1746,6 +1610,7 @@ 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
@@ -1755,6 +1620,7 @@ 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
@@ -1764,6 +1630,7 @@ 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
@@ -1777,6 +1644,7 @@ 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
@@ -1786,6 +1654,7 @@ 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) {
@@ -1794,6 +1663,7 @@ 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) {
@@ -1802,6 +1672,7 @@ 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) {
@@ -1810,6 +1681,7 @@ 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) {
@@ -1818,6 +1690,7 @@ 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) {
@@ -1826,6 +1699,7 @@ 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) {
@@ -1834,7 +1708,7 @@ 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) {
@@ -1844,6 +1718,7 @@ 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]
@@ -1886,6 +1761,7 @@ 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) {
@@ -1895,6 +1771,7 @@ 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) {
@@ -1904,6 +1781,7 @@ 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) {
@@ -1913,6 +1791,7 @@ 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) {
@@ -1922,6 +1801,7 @@ 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) {
@@ -1931,6 +1811,7 @@ 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) {
@@ -1940,6 +1821,7 @@ 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) {
@@ -1949,6 +1831,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_OPEN_BUFFERS_IN_TABS:
                if (ignore_system_lyxrc ||
                    open_buffers_in_tabs != system_lyxrc.open_buffers_in_tabs) {
@@ -1958,6 +1841,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_SINGLE_CLOSE_TAB_BUTTON:
                if (ignore_system_lyxrc ||
                    single_close_tab_button != system_lyxrc.single_close_tab_button) {
@@ -1967,6 +1851,7 @@ 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) {
@@ -1976,6 +1861,7 @@ 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) {
@@ -1983,6 +1869,7 @@ 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) {
@@ -1995,6 +1882,7 @@ 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);
@@ -2013,6 +1901,7 @@ 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) {
@@ -2021,7 +1910,7 @@ 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) {
@@ -2030,7 +1919,7 @@ 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
@@ -2045,6 +1934,7 @@ 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) {
@@ -2052,19 +1942,11 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-
-       case RC_FONT_ENCODING:
-               if (ignore_system_lyxrc ||
-                   fontenc != system_lyxrc.fontenc) {
-                       os << "\\font_encoding \"" << fontenc << "\"\n";
-               }
-               if (tag != RC_LAST)
-                       break;
-
+               // fall through
                os << "\n#\n"
                   << "# FILE SECTION ######################################\n"
                   << "#\n\n";
-
+       // fall through
        case RC_DOCUMENTPATH:
                if (ignore_system_lyxrc ||
                    document_path != system_lyxrc.document_path) {
@@ -2073,6 +1955,7 @@ 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) {
@@ -2081,6 +1964,7 @@ 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) {
@@ -2089,6 +1973,7 @@ 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) {
@@ -2096,6 +1981,7 @@ 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) {
@@ -2104,6 +1990,7 @@ 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) {
@@ -2111,6 +1998,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
+               // fall through
        case RC_COMPLETION_INLINE_MATH:
                if (ignore_system_lyxrc ||
                    completion_inline_math != system_lyxrc.completion_inline_math) {
@@ -2119,6 +2007,7 @@ 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) {
@@ -2127,6 +2016,7 @@ 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) {
@@ -2135,6 +2025,7 @@ 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) {
@@ -2143,6 +2034,7 @@ 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) {
@@ -2150,6 +2042,7 @@ 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) {
@@ -2158,6 +2051,7 @@ 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) {
@@ -2166,6 +2060,7 @@ 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) {
@@ -2174,6 +2069,7 @@ 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
@@ -2183,6 +2079,7 @@ 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) {
@@ -2191,14 +2088,15 @@ 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) {
@@ -2207,6 +2105,7 @@ 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) {
@@ -2215,6 +2114,7 @@ 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) {
@@ -2223,6 +2123,7 @@ 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) {
@@ -2231,6 +2132,7 @@ 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) {
@@ -2239,6 +2141,7 @@ 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) {
@@ -2247,6 +2150,7 @@ 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) {
@@ -2254,6 +2158,7 @@ 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) {
@@ -2261,6 +2166,7 @@ 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) {
@@ -2268,6 +2174,7 @@ 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) {
@@ -2275,6 +2182,7 @@ 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) {
@@ -2292,6 +2200,7 @@ 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) {
@@ -2300,6 +2209,7 @@ 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) {
@@ -2308,6 +2218,7 @@ 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) {
@@ -2315,6 +2226,17 @@ 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) {
@@ -2324,6 +2246,7 @@ 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) {
@@ -2333,29 +2256,13 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                }
                if (tag != RC_LAST)
                        break;
-       case RC_USE_PIXMAP_CACHE:
-               if (ignore_system_lyxrc ||
-                   use_pixmap_cache != system_lyxrc.use_pixmap_cache) {
-                       os << "\\use_pixmap_cache "
-                          << convert<string>(use_pixmap_cache)
-                          << '\n';
-               }
-               if (tag != RC_LAST)
-                       break;
-       case RC_USE_QIMAGE:
-               if (ignore_system_lyxrc ||
-                   use_qimage != system_lyxrc.use_qimage) {
-                       os << "\\use_qimage "
-                          << convert<string>(use_qimage)
-                          << '\n';
-               }
-               if (tag != RC_LAST)
-                       break;
+               // fall through
 
                os << "\n#\n"
                   << "# 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) {
@@ -2363,7 +2270,7 @@ 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) {
@@ -2371,7 +2278,7 @@ 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) {
@@ -2379,7 +2286,7 @@ 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) {
@@ -2388,7 +2295,7 @@ 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) {
@@ -2397,7 +2304,7 @@ 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) {
@@ -2405,6 +2312,7 @@ 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) {
@@ -2413,6 +2321,7 @@ 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) {
@@ -2421,6 +2330,7 @@ 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
@@ -2431,6 +2341,7 @@ 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) {
@@ -2452,6 +2363,7 @@ 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
@@ -2462,6 +2374,7 @@ 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
@@ -2471,6 +2384,7 @@ 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
@@ -2481,6 +2395,7 @@ 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) {
@@ -2489,6 +2404,7 @@ 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) {
@@ -2497,6 +2413,7 @@ 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
@@ -2511,6 +2428,7 @@ 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) {
@@ -2518,6 +2436,7 @@ 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) {
@@ -2525,6 +2444,7 @@ 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) {
@@ -2544,7 +2464,7 @@ 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) {
@@ -2572,6 +2492,7 @@ 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 = theFormats().begin();
@@ -2617,6 +2538,7 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
                                   << "\" \"\" \"\" \"\" \"\" \"\" \"\" \"\"\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();
@@ -2642,6 +2564,7 @@ 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();
@@ -2667,6 +2590,7 @@ 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)
@@ -2675,6 +2599,16 @@ 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) {
@@ -2682,6 +2616,7 @@ 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)
@@ -2691,6 +2626,7 @@ 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();
@@ -2715,7 +2651,7 @@ 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"
@@ -2796,9 +2732,9 @@ void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
        case LyXRC::RC_COPIER:
        case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
        case LyXRC::RC_SCROLL_BELOW_DOCUMENT:
-       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:
@@ -2813,7 +2749,6 @@ void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
        case LyXRC::RC_EDITOR_ALTERNATIVES:
        case LyXRC::RC_ESC_CHARS:
        case LyXRC::RC_EXAMPLEPATH:
-       case LyXRC::RC_FONT_ENCODING:
        case LyXRC::RC_FILEFORMAT:
        case LyXRC::RC_GROUP_LAYOUTS:
        case LyXRC::RC_HUNSPELLDIR_PATH:
@@ -2849,12 +2784,20 @@ 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:
@@ -2863,6 +2806,7 @@ 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:
@@ -2871,8 +2815,20 @@ 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:
@@ -2900,10 +2856,9 @@ 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:
-       case LyXRC::RC_USE_QIMAGE:
        case LyXRC::RC_USE_SYSTEM_THEME_ICONS:
        case LyXRC::RC_VIEWDVI_PAPEROPTION:
        case LyXRC::RC_SINGLE_CLOSE_TAB_BUTTON:
@@ -2932,6 +2887,15 @@ void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
 }
 
 
+set<string> LyXRC::getRCs()
+{
+       set<string> res;
+       for (int i = 0; i != lyxrcCount; ++i)
+               res.insert(ltrim(lyxrcTags[i].tag, "\\"));
+       return res;
+}
+
+
 #if 0
 string const LyXRC::getDescription(LyXRCTags tag)
 {
@@ -3027,11 +2991,6 @@ string const LyXRC::getDescription(LyXRCTags tag)
                str = _("Show a small box around a Math Macro with the macro name when the cursor is inside.");
                break;
 
-       case RC_DATE_INSERT_FORMAT:
-               //xgettext:no-c-format
-               str = _("This accepts the normal strftime formats; see man strftime for full details. E.g.\"%A, %e. %B %Y\".");
-               break;
-
        case RC_DEFFILE:
                str = _("Command definition file. Can either specify an absolute path, or LyX will look in its global and local commands/ directories.");
                break;
@@ -3064,10 +3023,6 @@ string const LyXRC::getDescription(LyXRCTags tag)
                str = _("The path that LyX will set when offering to choose an example. An empty value selects the directory LyX was started from.");
                break;
 
-       case RC_FONT_ENCODING:
-               str = _("The font encoding used for the LaTeX2e fontenc package. T1 is highly recommended for non-English languages.");
-               break;
-
        case RC_FILEFORMAT:
                break;
 
@@ -3317,10 +3272,6 @@ string const LyXRC::getDescription(LyXRCTags tag)
                str = _("Enable the automatic appearance of tool tips in the work area.");
                break;
 
-       case RC_USE_PIXMAP_CACHE:
-               str = _("Enable the pixmap cache that might improve performance on Mac and Windows.");
-               break;
-
        case RC_VIEWDVI_PAPEROPTION:
                _("Specify the paper command to DVI viewer (leave empty or use \"-paper\")");
                break;