]> git.lyx.org Git - lyx.git/blobdiff - src/buffer.C
whitespace changes;
[lyx.git] / src / buffer.C
index 361367258cfac723b835824037ecb25cc7dc4dce..d58ef540abba0bab9621b472228b1c90bf14e4af 100644 (file)
 #include "lyxtext.h"
 #include "gettext.h"
 #include "language.h"
-#include "lyx_gui_misc.h"      // WarnReadonly()
 #include "frontends/Dialogs.h"
+#include "frontends/Alert.h"
 #include "encoding.h"
 #include "exporter.h"
 #include "Lsstream.h"
 #include "converter.h"
 #include "BufferView.h"
 #include "ParagraphParameters.h"
+#include "iterators.h"
 
 using std::ostream;
 using std::ofstream;
@@ -122,6 +123,8 @@ using std::set;
 using std::stack;
 using std::list;
 
+using lyx::pos_type;
+
 // all these externs should eventually be removed.
 extern BufferList bufferlist;
 
@@ -200,7 +203,7 @@ pair<Buffer::LogType, string> const Buffer::getLogName(void) const
 
        string path = OnlyPath(filename);
 
-       if (lyxrc.use_tempdir || (IsDirWriteable(path) < 1))
+       if (lyxrc.use_tempdir || !IsDirWriteable(path))
                path = tmppath;
 
        string const fname = AddName(path,
@@ -209,7 +212,7 @@ pair<Buffer::LogType, string> const Buffer::getLogName(void) const
        string const bname =
                AddName(path, OnlyFilename(
                        ChangeExtension(filename,
-                                       formats.Extension("literate") + ".out")));
+                                       formats.extension("literate") + ".out")));
 
        // If no Latex log or Build log is newer, show Build log
 
@@ -233,25 +236,6 @@ void Buffer::setReadonly(bool flag)
                updateTitles();
                users->owner()->getDialogs()->updateBufferDependent(false);
        }
-       if (read_only) {
-               WarnReadonly(filename);
-       }
-}
-
-
-bool Buffer::saveParamsAsDefaults() // const
-{
-       string const fname = AddName(AddPath(user_lyxdir, "templates/"),
-                              "defaults.lyx");
-       Buffer defaults = Buffer(fname);
-       
-       // Use the current buffer's parameters as default
-       defaults.params = params;
-       
-       // add an empty paragraph. Is this enough?
-       defaults.paragraph = new Paragraph;
-
-       return defaults.writeFile(defaults.filename, false);
 }
 
 
@@ -285,6 +269,7 @@ namespace {
 
 string last_inset_read;
 
+#ifndef NO_COMPABILITY
 struct ErtComp 
 {
        ErtComp() : active(false), in_tabular(false) {
@@ -296,13 +281,15 @@ struct ErtComp
 
 std::stack<ErtComp> ert_stack;
 ErtComp ert_comp;
+#endif
 
+#warning And _why_ is this here? (Lgb)
+int unknown_layouts;
+int unknown_tokens;
 
 } // anon
 
 
-int unknown_layouts;
-
 // candidate for move to BufferView
 // (at least some parts in the beginning of the func)
 //
@@ -314,12 +301,12 @@ int unknown_layouts;
 bool Buffer::readLyXformat2(LyXLex & lex, Paragraph * par)
 {
        unknown_layouts = 0;
-#ifdef NO_LATEX
+       unknown_tokens = 0;
+#ifndef NO_COMPABILITY
        ert_comp.contents.erase();
        ert_comp.active = false;
        ert_comp.in_tabular = false;
 #endif
-       
        int pos = 0;
        Paragraph::depth_type depth = 0; 
        bool the_end_read = false;
@@ -339,9 +326,9 @@ bool Buffer::readLyXformat2(LyXLex & lex, Paragraph * par)
                markDirty();
                // We don't want to adopt the parameters from the
                // document we insert, so we skip until the text begins:
-               while (lex.IsOK()) {
+               while (lex.isOK()) {
                        lex.nextToken();
-                       string const pretoken = lex.GetString();
+                       string const pretoken = lex.getString();
                        if (pretoken == "\\layout") {
                                lex.pushToken(pretoken);
                                break;
@@ -349,9 +336,9 @@ bool Buffer::readLyXformat2(LyXLex & lex, Paragraph * par)
                }
        }
 
-       while (lex.IsOK()) {
+       while (lex.isOK()) {
                lex.nextToken();
-               string const token = lex.GetString();
+               string const token = lex.getString();
 
                if (token.empty()) continue;
 
@@ -377,14 +364,27 @@ bool Buffer::readLyXformat2(LyXLex & lex, Paragraph * par)
                        s += tostr(unknown_layouts);
                        s += _(" paragraphs");
                }
-               WriteAlert(_("Textclass Loading Error!"), s,
+               Alert::alert(_("Textclass Loading Error!"), s,
                           _("When reading " + fileName()));
-       }       
+       }
+
+       if (unknown_tokens > 0) {
+               string s = _("Encountered ");
+               if (unknown_tokens == 1) {
+                       s += _("one unknown token");
+               } else {
+                       s += tostr(unknown_tokens);
+                       s += _(" unknown tokens");
+               }
+               Alert::alert(_("Textclass Loading Error!"), s,
+                          _("When reading " + fileName()));
+       }
 
        return the_end_read;
 }
 
 
+#ifndef NO_COMPABILITY
 void Buffer::insertErtContents(Paragraph * par, int & pos,
                               LyXFont const & font, bool set_inactive) 
 {
@@ -399,6 +399,7 @@ void Buffer::insertErtContents(Paragraph * par, int & pos,
                ert_comp.active = false;
        }
 }
+#endif
 
 
 bool
@@ -410,6 +411,7 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
        )
 {
        bool the_end_read = false;
+#ifndef NO_COMPABILITY
 #ifndef NO_PEXTRA_REALLY
        // This is super temporary but is needed to get the compability
        // mode for minipages work correctly together with new tabulars.
@@ -419,9 +421,9 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
        static Paragraph * minipar;
        static Paragraph * parBeforeMinipage;
 #endif
-       
+#endif
        if (token[0] != '\\') {
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                if (ert_comp.active) {
                        ert_comp.contents += token;
                } else {
@@ -431,7 +433,7 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                        par->insertChar(pos, (*cit), font);
                        ++pos;
                }
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                }
 #endif
        } else if (token == "\\i") {
@@ -440,18 +442,18 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                par->insertInset(pos, inset, font);
                ++pos;
        } else if (token == "\\layout") {
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                ert_comp.in_tabular = false;
                // Do the insetert.
                insertErtContents(par, pos, font);
 #endif
-                lex.EatLine();
-                string const layoutname = lex.GetString();
+                lex.eatLine();
+                string const layoutname = lex.getString();
                 pair<bool, LyXTextClass::LayoutList::size_type> pp
                         = textclasslist.NumberOfLayout(params.textclass,
                                                        layoutname);
 
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                if (compare_no_case(layoutname, "latex") == 0) {
                        ert_comp.active = true;
                }
@@ -517,6 +519,10 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                        pos = 0;
                        if (pp.first) {
                                par->layout = pp.second;
+#ifndef NO_COMPABILITY
+                       } else if (ert_comp.active) {
+                               par->layout = 0;
+#endif
                        } else {
                                // layout not found
                                // use default layout "Standard" (0)
@@ -527,6 +533,8 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                                        + textclasslist.NameOfLayout(params.textclass, par->layout);
                                InsetError * new_inset = new InsetError(s);
                                par->insertInset(0, new_inset);
+                               par->setFont(0, LyXFont(LyXFont::ALL_INHERIT,
+                                                       params.language));
                        }
                        // Test whether the layout is obsolete.
                        LyXLayout const & layout =
@@ -546,11 +554,17 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                 }
 #endif
 
+#ifndef NO_COMPABILITY
        } else if (token == "\\begin_float") {
+               insertErtContents(par, pos, font);
+               //insertErtContents(par, pos, font, false);
+               //ert_stack.push(ert_comp);
+               //ert_comp = ErtComp();
+               
                // This is the compability reader. It can be removed in
                // LyX version 1.3.0. (Lgb)
                lex.next();
-               string const tmptok = lex.GetString();
+               string const tmptok = lex.getString();
                //lyxerr << "old float: " << tmptok << endl;
                
                Inset * inset = 0;
@@ -558,34 +572,41 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                
                if (tmptok == "footnote") {
                        inset = new InsetFoot;
+                       old_float << "collapsed true\n";
                } else if (tmptok == "margin") {
                        inset = new InsetMarginal;
+                       old_float << "collapsed true\n";
                } else if (tmptok == "fig") {
                        inset = new InsetFloat("figure");
                        old_float << "placement htbp\n"
-                                 << "wide false\n";
+                                 << "wide false\n"
+                                 << "collapsed false\n";
                } else if (tmptok == "tab") {
                        inset = new InsetFloat("table");
                        old_float << "placement htbp\n"
-                                 << "wide false\n";
+                                 << "wide false\n"
+                                 << "collapsed false\n";
                } else if (tmptok == "alg") {
                        inset = new InsetFloat("algorithm");
                        old_float << "placement htbp\n"
-                                 << "wide false\n";
+                                 << "wide false\n"
+                                 << "collapsed false\n";
                } else if (tmptok == "wide-fig") {
                        inset = new InsetFloat("figure");
                        //InsetFloat * tmp = new InsetFloat("figure");
                        //tmp->wide(true);
                        //inset = tmp;
                        old_float << "placement htbp\n"
-                                 << "wide true\n";
+                                 << "wide true\n"
+                                 << "collapsed false\n";
                } else if (tmptok == "wide-tab") {
                        inset = new InsetFloat("table");
                        //InsetFloat * tmp = new InsetFloat("table");
                        //tmp->wide(true);
                        //inset = tmp;
                        old_float << "placement htbp\n"
-                                 << "wide true\n";
+                                 << "wide true\n"
+                                 << "collapsed false\n";
                }
 
                if (!inset) {
@@ -594,15 +615,13 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
 #endif
                        return false; // no end read yet
                }
-               
-               old_float << "collapsed true\n";
 
                // Here we need to check for \end_deeper and handle that
                // before we do the footnote parsing.
                // This _is_ a hack! (Lgb)
                while (true) {
                        lex.next();
-                       string const tmp = lex.GetString();
+                       string const tmp = lex.getString();
                        if (tmp == "\\end_deeper") {
                                //lyxerr << "\\end_deeper caught!" << endl;
                                if (!depth) {
@@ -628,6 +647,8 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                inset->read(this, nylex);
                par->insertInset(pos, inset, font);
                ++pos;
+               insertErtContents(par, pos, font);
+#endif
        } else if (token == "\\begin_deeper") {
                ++depth;
        } else if (token == "\\end_deeper") {
@@ -640,45 +661,45 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
        } else if (token == "\\begin_preamble") {
                params.readPreamble(lex);
        } else if (token == "\\textclass") {
-               lex.EatLine();
+               lex.eatLine();
                pair<bool, LyXTextClassList::size_type> pp = 
-                       textclasslist.NumberOfClass(lex.GetString());
+                       textclasslist.NumberOfClass(lex.getString());
                if (pp.first) {
                        params.textclass = pp.second;
                } else {
-                       WriteAlert(string(_("Textclass error")), 
+                       Alert::alert(string(_("Textclass error")), 
                                string(_("The document uses an unknown textclass \"")) + 
-                               lex.GetString() + string("\"."),
+                               lex.getString() + string("\"."),
                                string(_("LyX will not be able to produce output correctly.")));
                        params.textclass = 0;
                }
                if (!textclasslist.Load(params.textclass)) {
-                               // if the textclass wasn't loaded properly
-                               // we need to either substitute another
-                               // or stop loading the file.
-                               // I can substitute but I don't see how I can
-                               // stop loading... ideas??  ARRae980418
-                       WriteAlert(_("Textclass Loading Error!"),
+                       // if the textclass wasn't loaded properly
+                       // we need to either substitute another
+                       // or stop loading the file.
+                       // I can substitute but I don't see how I can
+                       // stop loading... ideas??  ARRae980418
+                       Alert::alert(_("Textclass Loading Error!"),
                                   string(_("Can't load textclass ")) +
                                   textclasslist.NameOfClass(params.textclass),
                                   _("-- substituting default"));
                        params.textclass = 0;
                }
        } else if (token == "\\options") {
-               lex.EatLine();
-               params.options = lex.GetString();
+               lex.eatLine();
+               params.options = lex.getString();
        } else if (token == "\\language") {
                params.readLanguage(lex);    
        } else if (token == "\\fontencoding") {
-               lex.EatLine();
+               lex.eatLine();
        } else if (token == "\\inputencoding") {
-               lex.EatLine();
-               params.inputenc = lex.GetString();
+               lex.eatLine();
+               params.inputenc = lex.getString();
        } else if (token == "\\graphics") {
                params.readGraphicsDriver(lex);
        } else if (token == "\\fontscheme") {
-               lex.EatLine();
-               params.fonts = lex.GetString();
+               lex.eatLine();
+               params.fonts = lex.getString();
        } else if (token == "\\noindent") {
                par->params().noindent(true);
        } else if (token == "\\fill_top") {
@@ -696,21 +717,21 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
        } else if (token == "\\start_of_appendix") {
                par->params().startOfAppendix(true);
        } else if (token == "\\paragraph_separation") {
-               int tmpret = lex.FindToken(string_paragraph_separation);
+               int tmpret = lex.findToken(string_paragraph_separation);
                if (tmpret == -1) ++tmpret;
                if (tmpret != LYX_LAYOUT_DEFAULT) 
                        params.paragraph_separation =
                                static_cast<BufferParams::PARSEP>(tmpret);
        } else if (token == "\\defskip") {
                lex.nextToken();
-               params.defskip = VSpace(lex.GetString());
+               params.defskip = VSpace(lex.getString());
        } else if (token == "\\epsfig") { // obsolete
                // Indeed it is obsolete, but we HAVE to be backwards
                // compatible until 0.14, because otherwise all figures
                // in existing documents are irretrivably lost. (Asger)
                params.readGraphicsDriver(lex);
        } else if (token == "\\quotes_language") {
-               int tmpret = lex.FindToken(string_quotes_language);
+               int tmpret = lex.findToken(string_quotes_language);
                if (tmpret == -1) ++tmpret;
                if (tmpret != LYX_LAYOUT_DEFAULT) {
                        InsetQuotes::quote_language tmpl = 
@@ -739,7 +760,7 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                }
        } else if (token == "\\quotes_times") {
                lex.nextToken();
-               switch (lex.GetInteger()) {
+               switch (lex.getInteger()) {
                case 1: 
                        params.quotes_times = InsetQuotes::SingleQ; 
                        break;
@@ -748,13 +769,13 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                        break;
                }
        } else if (token == "\\papersize") {
-               int tmpret = lex.FindToken(string_papersize);
+               int tmpret = lex.findToken(string_papersize);
                if (tmpret == -1)
                        ++tmpret;
                else
                        params.papersize2 = tmpret;
        } else if (token == "\\paperpackage") {
-               int tmpret = lex.FindToken(string_paperpackages);
+               int tmpret = lex.findToken(string_paperpackages);
                if (tmpret == -1) {
                        ++tmpret;
                        params.paperpackage = BufferParams::PACKAGE_NONE;
@@ -762,81 +783,81 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                        params.paperpackage = tmpret;
        } else if (token == "\\use_geometry") {
                lex.nextToken();
-               params.use_geometry = lex.GetInteger();
+               params.use_geometry = lex.getInteger();
        } else if (token == "\\use_amsmath") {
                lex.nextToken();
-               params.use_amsmath = lex.GetInteger();
+               params.use_amsmath = lex.getInteger();
        } else if (token == "\\use_natbib") {
                lex.nextToken();
-               params.use_natbib = lex.GetInteger();
+               params.use_natbib = lex.getInteger();
        } else if (token == "\\use_numerical_citations") {
                lex.nextToken();
-               params.use_numerical_citations = lex.GetInteger();
+               params.use_numerical_citations = lex.getInteger();
        } else if (token == "\\paperorientation") {
-               int tmpret = lex.FindToken(string_orientation);
+               int tmpret = lex.findToken(string_orientation);
                if (tmpret == -1) ++tmpret;
                if (tmpret != LYX_LAYOUT_DEFAULT) 
                        params.orientation = static_cast<BufferParams::PAPER_ORIENTATION>(tmpret);
        } else if (token == "\\paperwidth") {
                lex.next();
-               params.paperwidth = lex.GetString();
+               params.paperwidth = lex.getString();
        } else if (token == "\\paperheight") {
                lex.next();
-               params.paperheight = lex.GetString();
+               params.paperheight = lex.getString();
        } else if (token == "\\leftmargin") {
                lex.next();
-               params.leftmargin = lex.GetString();
+               params.leftmargin = lex.getString();
        } else if (token == "\\topmargin") {
                lex.next();
-               params.topmargin = lex.GetString();
+               params.topmargin = lex.getString();
        } else if (token == "\\rightmargin") {
                lex.next();
-               params.rightmargin = lex.GetString();
+               params.rightmargin = lex.getString();
        } else if (token == "\\bottommargin") {
                lex.next();
-               params.bottommargin = lex.GetString();
+               params.bottommargin = lex.getString();
        } else if (token == "\\headheight") {
                lex.next();
-               params.headheight = lex.GetString();
+               params.headheight = lex.getString();
        } else if (token == "\\headsep") {
                lex.next();
-               params.headsep = lex.GetString();
+               params.headsep = lex.getString();
        } else if (token == "\\footskip") {
                lex.next();
-               params.footskip = lex.GetString();
+               params.footskip = lex.getString();
        } else if (token == "\\paperfontsize") {
                lex.nextToken();
-               params.fontsize = strip(lex.GetString());
+               params.fontsize = strip(lex.getString());
        } else if (token == "\\papercolumns") {
                lex.nextToken();
-               params.columns = lex.GetInteger();
+               params.columns = lex.getInteger();
        } else if (token == "\\papersides") {
                lex.nextToken();
-               switch (lex.GetInteger()) {
+               switch (lex.getInteger()) {
                default:
                case 1: params.sides = LyXTextClass::OneSide; break;
                case 2: params.sides = LyXTextClass::TwoSides; break;
                }
        } else if (token == "\\paperpagestyle") {
                lex.nextToken();
-               params.pagestyle = strip(lex.GetString());
+               params.pagestyle = strip(lex.getString());
        } else if (token == "\\bullet") {
                lex.nextToken();
-               int const index = lex.GetInteger();
+               int const index = lex.getInteger();
                lex.nextToken();
-               int temp_int = lex.GetInteger();
+               int temp_int = lex.getInteger();
                params.user_defined_bullets[index].setFont(temp_int);
                params.temp_bullets[index].setFont(temp_int);
                lex.nextToken();
-               temp_int = lex.GetInteger();
+               temp_int = lex.getInteger();
                params.user_defined_bullets[index].setCharacter(temp_int);
                params.temp_bullets[index].setCharacter(temp_int);
                lex.nextToken();
-               temp_int = lex.GetInteger();
+               temp_int = lex.getInteger();
                params.user_defined_bullets[index].setSize(temp_int);
                params.temp_bullets[index].setSize(temp_int);
                lex.nextToken();
-               string const temp_str = lex.GetString();
+               string const temp_str = lex.getString();
                if (temp_str != "\\end_bullet") {
                                // this element isn't really necessary for
                                // parsing but is easier for humans
@@ -847,9 +868,9 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                }
        } else if (token == "\\bulletLaTeX") {
                lex.nextToken();
-               int const index = lex.GetInteger();
+               int const index = lex.getInteger();
                lex.next();
-               string temp_str = lex.GetString();
+               string temp_str = lex.getString();
                string sum_str;
                while (temp_str != "\\end_bullet") {
                                // this loop structure is needed when user
@@ -860,19 +881,19 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                                // therefore needs to be read in turn
                        sum_str += temp_str;
                        lex.next();
-                       temp_str = lex.GetString();
+                       temp_str = lex.getString();
                }
                params.user_defined_bullets[index].setText(sum_str);
                params.temp_bullets[index].setText(sum_str);
        } else if (token == "\\secnumdepth") {
                lex.nextToken();
-               params.secnumdepth = lex.GetInteger();
+               params.secnumdepth = lex.getInteger();
        } else if (token == "\\tocdepth") {
                lex.nextToken();
-               params.tocdepth = lex.GetInteger();
+               params.tocdepth = lex.getInteger();
        } else if (token == "\\spacing") {
                lex.next();
-               string const tmp = strip(lex.GetString());
+               string const tmp = strip(lex.getString());
                Spacing::Space tmp_space = Spacing::Default;
                float tmp_val = 0.0;
                if (tmp == "single") {
@@ -884,7 +905,7 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                } else if (tmp == "other") {
                        lex.next();
                        tmp_space = Spacing::Other;
-                       tmp_val = lex.GetFloat();
+                       tmp_val = lex.getFloat();
                } else {
                        lex.printError("Unknown spacing token: '$$Token'");
                }
@@ -897,7 +918,7 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                }
        } else if (token == "\\paragraph_spacing") {
                lex.next();
-               string const tmp = strip(lex.GetString());
+               string const tmp = strip(lex.getString());
                if (tmp == "single") {
                        par->params().spacing(Spacing(Spacing::Single));
                } else if (tmp == "onehalf") {
@@ -907,46 +928,29 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                } else if (tmp == "other") {
                        lex.next();
                        par->params().spacing(Spacing(Spacing::Other,
-                                        lex.GetFloat()));
+                                        lex.getFloat()));
                } else {
                        lex.printError("Unknown spacing token: '$$Token'");
                }
        } else if (token == "\\float_placement") {
                lex.nextToken();
-               params.float_placement = lex.GetString();
+               params.float_placement = lex.getString();
        } else if (token == "\\family") { 
                lex.next();
-               font.setLyXFamily(lex.GetString());
+               font.setLyXFamily(lex.getString());
        } else if (token == "\\series") {
                lex.next();
-               font.setLyXSeries(lex.GetString());
+               font.setLyXSeries(lex.getString());
        } else if (token == "\\shape") {
                lex.next();
-               font.setLyXShape(lex.GetString());
+               font.setLyXShape(lex.getString());
        } else if (token == "\\size") {
                lex.next();
-               font.setLyXSize(lex.GetString());
-#ifndef NO_LATEX
-#ifdef WITH_WARNINGS
-#warning compatability hack needed
-#endif
-       } else if (token == "\\latex") {
-               lex.next();
-               string const tok = lex.GetString();
-               // This is dirty, but gone with LyX3. (Asger)
-               if (tok == "no_latex")
-                       font.setLatex(LyXFont::OFF);
-               else if (tok == "latex")
-                       font.setLatex(LyXFont::ON);
-               else if (tok == "default")
-                       font.setLatex(LyXFont::INHERIT);
-               else
-                       lex.printError("Unknown LaTeX font flag "
-                                      "`$$Token'");
-#else
+               font.setLyXSize(lex.getString());
+#ifndef NO_COMPABILITY
        } else if (token == "\\latex") {
                lex.next();
-               string const tok = lex.GetString();
+               string const tok = lex.getString();
                if (tok == "no_latex") {
                        // Do the insetert.
                        insertErtContents(par, pos, font);
@@ -962,7 +966,7 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
 #endif
        } else if (token == "\\lang") {
                lex.next();
-               string const tok = lex.GetString();
+               string const tok = lex.getString();
                Language const * lang = languages.getLanguage(tok);
                if (lang) {
                        font.setLanguage(lang);
@@ -972,13 +976,13 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                }
        } else if (token == "\\numeric") {
                lex.next();
-               font.setNumber(font.setLyXMisc(lex.GetString()));
+               font.setNumber(font.setLyXMisc(lex.getString()));
        } else if (token == "\\emph") {
                lex.next();
-               font.setEmph(font.setLyXMisc(lex.GetString()));
+               font.setEmph(font.setLyXMisc(lex.getString()));
        } else if (token == "\\bar") {
                lex.next();
-               string const tok = lex.GetString();
+               string const tok = lex.getString();
                // This is dirty, but gone with LyX3. (Asger)
                if (tok == "under")
                        font.setUnderbar(LyXFont::ON);
@@ -991,12 +995,12 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                                       "`$$Token'");
        } else if (token == "\\noun") {
                lex.next();
-               font.setNoun(font.setLyXMisc(lex.GetString()));
+               font.setNoun(font.setLyXMisc(lex.getString()));
        } else if (token == "\\color") {
                lex.next();
-               font.setLyXColor(lex.GetString());
+               font.setLyXColor(lex.getString());
        } else if (token == "\\align") {
-               int tmpret = lex.FindToken(string_align);
+               int tmpret = lex.findToken(string_align);
                if (tmpret == -1) ++tmpret;
                if (tmpret != LYX_LAYOUT_DEFAULT) { // tmpret != 99 ???
                        int const tmpret2 = int(pow(2.0, tmpret));
@@ -1005,33 +1009,35 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                }
        } else if (token == "\\added_space_top") {
                lex.nextToken();
-               par->params().spaceTop(VSpace(lex.GetString()));
+               par->params().spaceTop(VSpace(lex.getString()));
        } else if (token == "\\added_space_bottom") {
                lex.nextToken();
-               par->params().spaceBottom(VSpace(lex.GetString()));
+               par->params().spaceBottom(VSpace(lex.getString()));
+#ifndef NO_COMPABILITY
 #ifndef NO_PEXTRA_REALLY
        } else if (token == "\\pextra_type") {
                lex.nextToken();
-               par->params().pextraType(lex.GetInteger());
+               par->params().pextraType(lex.getInteger());
        } else if (token == "\\pextra_width") {
                lex.nextToken();
-               par->params().pextraWidth(lex.GetString());
+               par->params().pextraWidth(lex.getString());
        } else if (token == "\\pextra_widthp") {
                lex.nextToken();
-               par->params().pextraWidthp(lex.GetString());
+               par->params().pextraWidthp(lex.getString());
        } else if (token == "\\pextra_alignment") {
                lex.nextToken();
-               par->params().pextraAlignment(lex.GetInteger());
+               par->params().pextraAlignment(lex.getInteger());
        } else if (token == "\\pextra_hfill") {
                lex.nextToken();
-               par->params().pextraHfill(lex.GetInteger());
+               par->params().pextraHfill(lex.getInteger());
        } else if (token == "\\pextra_start_minipage") {
                lex.nextToken();
-               par->params().pextraStartMinipage(lex.GetInteger());
+               par->params().pextraStartMinipage(lex.getInteger());
+#endif
 #endif
        } else if (token == "\\labelwidthstring") {
-               lex.EatLine();
-               par->params().labelWidthString(lex.GetString());
+               lex.eatLine();
+               par->params().labelWidthString(lex.getString());
                // do not delete this token, it is still needed!
        } else if (token == "\\end_inset") {
                lyxerr << "Solitary \\end_inset. Missing \\begin_inset?.\n"
@@ -1042,15 +1048,16 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                // But insets should read it, it is a part of
                // the inset isn't it? Lgb.
        } else if (token == "\\begin_inset") {
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                insertErtContents(par, pos, font, false);
                ert_stack.push(ert_comp);
                ert_comp = ErtComp();
 #endif
                readInset(lex, par, pos, font);
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                ert_comp = ert_stack.top();
                ert_stack.pop();
+               insertErtContents(par, pos, font);
 #endif
        } else if (token == "\\SpecialChar") {
                LyXLayout const & layout =
@@ -1059,9 +1066,9 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
 
                // Insets don't make sense in a free-spacing context! ---Kayvan
                if (layout.free_spacing) {
-                       if (lex.IsOK()) {
+                       if (lex.isOK()) {
                                lex.next();
-                               string next_token = lex.GetString();
+                               string next_token = lex.getString();
                                if (next_token == "\\-") {
                                        par->insertChar(pos, '-', font);
                                } else if (next_token == "\\protected_separator"
@@ -1081,8 +1088,7 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                }
                ++pos;
        } else if (token == "\\newline") {
-#ifdef NO_LATEX
-
+#ifndef NO_COMPABILITY
                if (!ert_comp.in_tabular && ert_comp.active) {
                        ert_comp.contents += char(Paragraph::META_NEWLINE);
                } else {
@@ -1099,7 +1105,7 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                ++pos;
 #endif
        } else if (token == "\\LyXTable") {
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                ert_comp.in_tabular = true;
 #endif
                Inset * inset = new InsetTabular(*this);
@@ -1131,46 +1137,51 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
                }
                par->bibkey->read(this, lex);                   
        } else if (token == "\\backslash") {
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                if (ert_comp.active) {
                        ert_comp.contents += "\\";
                } else {
 #endif
                par->insertChar(pos, '\\', font);
                ++pos;
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                }
 #endif
        } else if (token == "\\the_end") {
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                // If we still have some ert active here we have to insert
                // it so we don't loose it. (Lgb)
                insertErtContents(par, pos, font);
 #endif
                the_end_read = true;
+#ifndef NO_COMPABILITY
 #ifndef NO_PEXTRA_REALLY
                minipar = parBeforeMinipage = 0;
+#endif
 #endif
        } else {
-#ifdef NO_LATEX
+#ifndef NO_COMPABILITY
                if (ert_comp.active) {
                        ert_comp.contents += token;
                } else {
 #endif
                // This should be insurance for the future: (Asger)
-               lex.printError("Unknown token `$$Token'. "
-                              "Inserting as text.");
-               string::const_iterator cit = token.begin();
-               string::const_iterator end = token.end();
-               for (; cit != end; ++cit) {
-                       par->insertChar(pos, (*cit), font);
-                       ++pos;
-               }
-#ifdef NO_LATEX
+               ++unknown_tokens;
+               lex.eatLine();
+               string const s = _("Unknown token: ") + token
+                       + " " + lex.text()  + "\n";
+
+               InsetError * new_inset = new InsetError(s);
+               par->insertInset(pos, new_inset);
+               par->setFont(pos, LyXFont(LyXFont::ALL_INHERIT,
+                                         params.language));
+
+#ifndef NO_COMPABILITY
                }
 #endif
        }
 
+#ifndef NO_COMPABILITY
 #ifndef NO_PEXTRA_REALLY
        // I wonder if we could use this blanket fix for all the
        // checkminipage cases...
@@ -1323,17 +1334,20 @@ Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
        }
        // End of pextra_minipage compability
        --call_depth;
+#endif
 #endif
        return the_end_read;
 }
 
 // needed to insert the selection
-void Buffer::insertStringAsLines(Paragraph *& par, Paragraph::size_type & pos,
-                                LyXFont const & font, 
-                                string const & str) const
+void Buffer::insertStringAsLines(Paragraph *& par, pos_type & pos,
+                                 LyXFont const & fn,string const & str) const
 {
        LyXLayout const & layout = textclasslist.Style(params.textclass, 
-                                                    par->getLayout());
+                                                      par->getLayout());
+       LyXFont font = fn;
+       
+       (void)par->checkInsertChar(font);
        // insert the string, don't insert doublespace
        bool space_inserted = true;
        for(string::const_iterator cit = str.begin(); 
@@ -1341,7 +1355,7 @@ void Buffer::insertStringAsLines(Paragraph *& par, Paragraph::size_type & pos,
                if (*cit == '\n') {
                        if (par->size() || layout.keepempty) { 
                                par->breakParagraph(params, pos, 
-                                                   layout.isEnvironment());
+                                                   layout.isEnvironment());
                                par = par->next();
                                pos = 0;
                                space_inserted = true;
@@ -1349,8 +1363,9 @@ void Buffer::insertStringAsLines(Paragraph *& par, Paragraph::size_type & pos,
                                continue;
                        }
                        // do not insert consecutive spaces if !free_spacing
-               } else if ((*cit == ' ' || *cit == '\t')
-                          && space_inserted && !layout.free_spacing) {
+               } else if ((*cit == ' ' || *cit == '\t') &&
+                          space_inserted && !layout.free_spacing)
+               {
                        continue;
                } else if (*cit == '\t') {
                        if (!layout.free_spacing) {
@@ -1359,9 +1374,8 @@ void Buffer::insertStringAsLines(Paragraph *& par, Paragraph::size_type & pos,
                                ++pos;
                                space_inserted = true;
                        } else {
-                               const Paragraph::value_type nb = 8 - pos % 8;
-                               for (Paragraph::size_type a = 0; 
-                                    a < nb ; ++a) {
+                               const pos_type nb = 8 - pos % 8;
+                               for (pos_type a = 0; a < nb ; ++a) {
                                        par->insertChar(pos, ' ', font);
                                        ++pos;
                                }
@@ -1385,7 +1399,7 @@ void Buffer::readInset(LyXLex & lex, Paragraph *& par,
                       int & pos, LyXFont & font)
 {
        // consistency check
-       if (lex.GetString() != "\\begin_inset") {
+       if (lex.getString() != "\\begin_inset") {
                lyxerr << "Buffer::readInset: Consistency check failed."
                       << endl;
        }
@@ -1393,7 +1407,7 @@ void Buffer::readInset(LyXLex & lex, Paragraph *& par,
        Inset * inset = 0;
 
        lex.next();
-       string const tmptok = lex.GetString();
+       string const tmptok = lex.getString();
        last_inset_read = tmptok;
 
        // test the different insets
@@ -1482,7 +1496,7 @@ void Buffer::readInset(LyXLex & lex, Paragraph *& par,
                        inset = new InsetMinipage;
                } else if (tmptok == "Float") {
                        lex.next();
-                       string tmptok = lex.GetString();
+                       string tmptok = lex.getString();
                        inset = new InsetFloat(tmptok);
 #if 0
                } else if (tmptok == "List") {
@@ -1508,12 +1522,12 @@ void Buffer::readInset(LyXLex & lex, Paragraph *& par,
 
 bool Buffer::readFile(LyXLex & lex, Paragraph * par)
 {
-       if (lex.IsOK()) {
+       if (lex.isOK()) {
                lex.next();
-               string const token(lex.GetString());
+               string const token(lex.getString());
                if (token == "\\lyxformat") { // the first token _must_ be...
-                       lex.EatLine();
-                       string tmp_format = lex.GetString();
+                       lex.eatLine();
+                       string tmp_format = lex.getString();
                        //lyxerr << "LyX Format: `" << tmp_format << "'" << endl;
                        // if present remove ".," from string.
                        string::size_type dot = tmp_format.find_first_of(".,");
@@ -1525,35 +1539,36 @@ bool Buffer::readFile(LyXLex & lex, Paragraph * par)
                                // current format
                        } else if (file_format > LYX_FORMAT) {
                                // future format
-                               WriteAlert(_("Warning!"),
+                               Alert::alert(_("Warning!"),
                                           _("LyX file format is newer that what"),
                                           _("is supported in this LyX version. Expect some problems."));
                                
                        } else if (file_format < LYX_FORMAT) {
                                // old formats
                                if (file_format < 200) {
-                                       WriteAlert(_("ERROR!"),
+                                       Alert::alert(_("ERROR!"),
                                                   _("Old LyX file format found. "
                                                     "Use LyX 0.10.x to read this!"));
                                        return false;
                                }
                        }
                        bool the_end = readLyXformat2(lex, par);
-                       setPaperStuff();
+                       params.setPaperStuff();
                        // the_end was added in 213
                        if (file_format < 213)
                                the_end = true;
 
-                       if (!the_end)
-                               WriteAlert(_("Warning!"),
+                       if (!the_end) {
+                               Alert::alert(_("Warning!"),
                                           _("Reading of document is not complete"),
                                           _("Maybe the document is truncated"));
+                       }
                        return true;
                } else { // "\\lyxformat" not found
-                       WriteAlert(_("ERROR!"), _("Not a LyX file!"));
+                       Alert::alert(_("ERROR!"), _("Not a LyX file!"));
                }
        } else
-               WriteAlert(_("ERROR!"), _("Unable to read file!"));
+               Alert::alert(_("ERROR!"), _("Unable to read file!"));
        return false;
 }
                    
@@ -1649,7 +1664,7 @@ bool Buffer::writeFile(string const & fname, bool flag) const
                        lyxerr << _("Error! Document is read-only: ")
                               << fname << endl;
                else
-                       WriteAlert(_("Error! Document is read-only: "),
+                       Alert::alert(_("Error! Document is read-only: "),
                                   fname);
                return false;
        }
@@ -1662,7 +1677,7 @@ bool Buffer::writeFile(string const & fname, bool flag) const
                        lyxerr << _("Error! Cannot write file: ")
                               << fname << endl;
                else
-                       WriteFSAlert(_("Error! Cannot write file: "),
+                       Alert::err_alert(_("Error! Cannot write file: "),
                                     fname);
                return false;
        }
@@ -1673,7 +1688,7 @@ bool Buffer::writeFile(string const & fname, bool flag) const
                        lyxerr << _("Error! Cannot open file: ")
                               << fname << endl;
                else
-                       WriteFSAlert(_("Error! Cannot open file: "),
+                       Alert::err_alert(_("Error! Cannot open file: "),
                                     fname);
                return false;
        }
@@ -1686,7 +1701,7 @@ bool Buffer::writeFile(string const & fname, bool flag) const
        // The top of the file should not be written by params.
 
        // write out a comment in the top of the file
-       ofs << '#' << LYX_DOCVERSION 
+       ofs << '#' << lyx_docversion 
            << " created this file. For more info see http://www.lyx.org/\n"
            << "\\lyxformat " << LYX_FORMAT << "\n";
 
@@ -1736,7 +1751,7 @@ string const Buffer::asciiParagraph(Paragraph const * par,
        Paragraph::depth_type depth = 0;
        int ltype = 0;
        Paragraph::depth_type ltype_depth = 0;
-       unsigned int currlinelen = 0;
+       string::size_type currlinelen = 0;
        bool ref_printed = false;
 
        int noparbreak = 0;
@@ -1798,10 +1813,7 @@ string const Buffer::asciiParagraph(Paragraph const * par,
                lyxerr << "Should this ever happen?" << endl;
        }
 
-#ifndef NO_LATEX
-       LyXFont const font1 = LyXFont(LyXFont::ALL_INHERIT, params.language);
-#endif
-       for (Paragraph::size_type i = 0; i < par->size(); ++i) {
+       for (pos_type i = 0; i < par->size(); ++i) {
                if (!i && !noparbreak) {
                        if (linelen > 0)
                                buffer << "\n\n";
@@ -1839,17 +1851,6 @@ string const Buffer::asciiParagraph(Paragraph const * par,
                                currlinelen += (ltype_depth-depth)*2;
                        }
                }
-#ifndef NO_LATEX
-               LyXFont const font2 = par->getFontSettings(params, i);
-               if (font1.latex() != font2.latex()) {
-                       if (font2.latex() == LyXFont::OFF)
-                               islatex = 0;
-                       else
-                               islatex = 1;
-               } else {
-                       islatex = 0;
-               }
-#endif
                
                char c = par->getUChar(params, i);
                if (islatex)
@@ -1892,11 +1893,7 @@ string const Buffer::asciiParagraph(Paragraph const * par,
                case Paragraph::META_HFILL: 
                        buffer << "\t";
                        break;
-                       
-               case '\\':
-                       buffer << "\\";
-                       break;
-                       
+
                default:
                        if ((linelen > 0) && (currlinelen > (linelen - 10)) &&
                            (c == ' ') && ((i + 2) < par->size()))
@@ -1912,11 +1909,11 @@ string const Buffer::asciiParagraph(Paragraph const * par,
                                                buffer << "  ";
                                        currlinelen += (ltype_depth-depth)*2;
                                }
-                       } else if (c != '\0')
+                       } else if (c != '\0') {
                                buffer << c;
-                       else if (c == '\0')
+                               ++currlinelen;
+                       } else
                                lyxerr[Debug::INFO] << "writeAsciiFile: NULL char in structure." << endl;
-                       ++currlinelen;
                        break;
                }
        }
@@ -1928,7 +1925,7 @@ void Buffer::writeFileAscii(string const & fname, int linelen)
 {
        ofstream ofs(fname.c_str());
        if (!ofs) {
-               WriteFSAlert(_("Error: Cannot write file:"), fname);
+               Alert::err_alert(_("Error: Cannot write file:"), fname);
                return;
        }
        writeFileAscii(ofs, linelen);
@@ -1962,7 +1959,7 @@ void Buffer::makeLaTeXFile(string const & fname,
 
        ofstream ofs(fname.c_str());
        if (!ofs) {
-               WriteFSAlert(_("Error: Cannot open file: "), fname);
+               Alert::err_alert(_("Error: Cannot open file: "), fname);
                return;
        }
        
@@ -1978,7 +1975,7 @@ void Buffer::makeLaTeXFile(string const & fname,
        texrow.start(paragraph, 0);
 
        if (!only_body && nice) {
-               ofs << "%% " LYX_DOCVERSION " created this file.  "
+               ofs << "%% " << lyx_docversion << " created this file.  "
                        "For more info, see http://www.lyx.org/.\n"
                        "%% Do not edit unless you really know what "
                        "you are doing.\n";
@@ -2077,16 +2074,13 @@ void Buffer::makeLaTeXFile(string const & fname,
                if (params.language->babel() == "hebrew"
                    && default_language->babel() != "hebrew")
                         // This seems necessary
-                       features.UsedLanguages.insert(default_language);
+                       features.useLanguage(default_language);
 
                if (lyxrc.language_use_babel ||
                    params.language->lang() != lyxrc.default_language ||
-                   !features.UsedLanguages.empty()) {
+                   !features.hasLanguages()) {
                        use_babel = true;
-                       for (LaTeXFeatures::LanguageList::const_iterator cit =
-                                    features.UsedLanguages.begin();
-                            cit != features.UsedLanguages.end(); ++cit)
-                               language_options << (*cit)->babel() << ',';
+                       language_options << features.getLanguages();
                        language_options << params.language->babel();
                        if (lyxrc.language_global_options)
                                options << language_options.str() << ',';
@@ -2133,12 +2127,7 @@ void Buffer::makeLaTeXFile(string const & fname,
 
                        // Create a list with all the input encodings used 
                        // in the document
-                       set<string> encodings;
-                       for (LaTeXFeatures::LanguageList::const_iterator it =
-                                    features.UsedLanguages.begin();
-                            it != features.UsedLanguages.end(); ++it)
-                               if ((*it)->encoding()->LatexName() != doc_encoding)
-                                       encodings.insert((*it)->encoding()->LatexName());
+                       set<string> encodings = features.getEncodingSet(doc_encoding);
 
                        ofs << "\\usepackage[";
                        std::copy(encodings.begin(), encodings.end(),
@@ -2254,12 +2243,13 @@ void Buffer::makeLaTeXFile(string const & fname,
                        ofs << "}\n";
                        texrow.newline();
                }
-               if (features.amsstyle
-                   && !tclass.provides(LyXTextClass::amsmath)) {
+
+               if (features.isRequired("amsstyle")
+                           && !tclass.provides(LyXTextClass::amsmath)) {
                        ofs << "\\usepackage{amsmath}\n";
                        texrow.newline();
                }
-
+               
                if (tokenPos(tclass.opt_pagestyle(),
                             '|', params.pagestyle) >= 0) {
                        if (params.pagestyle == "fancy") {
@@ -2270,19 +2260,6 @@ void Buffer::makeLaTeXFile(string const & fname,
                        texrow.newline();
                }
 
-               // We try to load babel late, in case it interferes
-               // with other packages.
-               if (use_babel) {
-                       string tmp = lyxrc.language_package;
-                       if (!lyxrc.language_global_options
-                           && tmp == "\\usepackage{babel}")
-                               tmp = string("\\usepackage[") +
-                                       language_options.str().c_str() +
-                                       "]{babel}";
-                       ofs << tmp << "\n";
-                       texrow.newline();
-               }
-
                if (params.secnumdepth != tclass.secnumdepth()) {
                        ofs << "\\setcounter{secnumdepth}{"
                            << params.secnumdepth
@@ -2397,6 +2374,19 @@ void Buffer::makeLaTeXFile(string const & fname,
 
                ofs << preamble;
 
+               // We try to load babel late, in case it interferes
+               // with other packages.
+               if (use_babel) {
+                       string tmp = lyxrc.language_package;
+                       if (!lyxrc.language_global_options
+                           && tmp == "\\usepackage{babel}")
+                               tmp = string("\\usepackage[") +
+                                       language_options.str().c_str() +
+                                       "]{babel}";
+                       ofs << tmp << "\n";
+                       texrow.newline();
+               }
+
                // make the body.
                ofs << "\\begin{document}\n";
                texrow.newline();
@@ -2529,8 +2519,8 @@ void Buffer::sgmlOpenTag(ostream & os, Paragraph::depth_type depth,
                         string const & latexname) const
 {
        if (!latexname.empty() && latexname != "!-- --")
-               os << "<!-- " << depth << " -->" << "<" << latexname << ">";
-       //os << string(depth, ' ') << "<" << latexname << ">\n";
+               //os << "<!-- " << depth << " -->" << "<" << latexname << ">";
+               os << string(depth, ' ') << "<" << latexname << ">\n";
 }
 
 
@@ -2538,8 +2528,8 @@ void Buffer::sgmlCloseTag(ostream & os, Paragraph::depth_type depth,
                          string const & latexname) const
 {
        if (!latexname.empty() && latexname != "!-- --")
-               os << "<!-- " << depth << " -->" << "</" << latexname << ">\n";
-       //os << string(depth, ' ') << "</" << latexname << ">\n";
+               //os << "<!-- " << depth << " -->" << "</" << latexname << ">\n";
+               os << string(depth, ' ') << "</" << latexname << ">\n";
 }
 
 
@@ -2548,7 +2538,7 @@ void Buffer::makeLinuxDocFile(string const & fname, bool nice, bool body_only)
        ofstream ofs(fname.c_str());
 
        if (!ofs) {
-               WriteAlert(_("LYX_ERROR:"), _("Cannot write file"), fname);
+               Alert::alert(_("LYX_ERROR:"), _("Cannot write file"), fname);
                return;
        }
 
@@ -2565,14 +2555,16 @@ void Buffer::makeLinuxDocFile(string const & fname, bool nice, bool body_only)
        string top_element = textclasslist.LatexnameOfClass(params.textclass);
 
        if (!body_only) {
-               string sgml_includedfiles=features.getIncludedFiles(fname);
+               ofs << "<!doctype linuxdoc system";
 
-               if (params.preamble.empty() && sgml_includedfiles.empty()) {
-                       ofs << "<!doctype linuxdoc system>\n\n";
-               } else {
-                       ofs << "<!doctype linuxdoc system [ "
-                           << params.preamble << sgml_includedfiles << " \n]>\n\n";
+               string preamble = params.preamble;
+               preamble += features.getIncludedFiles(fname);
+               preamble += features.getLyXSGMLEntities();
+
+               if (!preamble.empty()) {
+                       ofs << " [ " << preamble << " ]";
                }
+               ofs << ">\n\n";
 
                if (params.options.empty())
                        sgmlOpenTag(ofs, 0, top_element);
@@ -2584,7 +2576,7 @@ void Buffer::makeLinuxDocFile(string const & fname, bool nice, bool body_only)
                }
        }
 
-       ofs << "<!-- "  << LYX_DOCVERSION 
+       ofs << "<!-- "  << lyx_docversion
            << " created this file. For more info see http://www.lyx.org/"
            << " -->\n";
 
@@ -2599,7 +2591,7 @@ void Buffer::makeLinuxDocFile(string const & fname, bool nice, bool body_only)
                                            par->layout);
 
                // treat <toc> as a special case for compatibility with old code
-               if (par->getChar(0) == Paragraph::META_INSET) {
+               if (par->isInset(0)) {
                        Inset * inset = par->getInset(0);
                        Inset::Code lyx_code = inset->lyxCode();
                        if (lyx_code == Inset::TOC_CODE){
@@ -2634,9 +2626,9 @@ void Buffer::makeLinuxDocFile(string const & fname, bool nice, bool body_only)
 
                case LATEX_COMMAND:
                        if (depth!= 0)
-                               linuxDocError(par, 0,
-                                             _("Error : Wrong depth for"
-                                               " LatexType Command.\n"));
+                               sgmlError(par, 0,
+                                         _("Error : Wrong depth for"
+                                           " LatexType Command.\n"));
 
                        if (!environment_stack[depth].empty()){
                                sgmlCloseTag(ofs, depth,
@@ -2722,35 +2714,11 @@ void Buffer::makeLinuxDocFile(string const & fname, bool nice, bool body_only)
 }
 
 
-void Buffer::docBookHandleCaption(ostream & os, string & inner_tag,
-                                 Paragraph::depth_type depth, int desc_on,
-                                 Paragraph * & par)
-{
-       Paragraph * tpar = par;
-       while (tpar
-              && (tpar->layout != textclasslist.NumberOfLayout(params.textclass,
-                                                               "Caption").second))
-               tpar = tpar->next();
-
-       if (tpar &&
-           tpar->layout == textclasslist.NumberOfLayout(params.textclass,
-                                                        "Caption").second) {
-               sgmlOpenTag(os, depth + 1, inner_tag);
-               string extra_par;
-               simpleDocBookOnePar(os, extra_par, tpar,
-                                   desc_on, depth + 2);
-               sgmlCloseTag(os, depth+1, inner_tag);
-               if (!extra_par.empty())
-                       os << extra_par;
-       }
-}
-
-
 // checks, if newcol chars should be put into this line
 // writes newline, if necessary.
 namespace {
 
-void linux_doc_line_break(ostream & os, string::size_type & colcount,
+void sgmlLineBreak(ostream & os, string::size_type & colcount,
                          string::size_type newcol)
 {
        colcount += newcol;
@@ -2801,8 +2769,6 @@ void reset(PAR_TAG & p1, PAR_TAG const & p2)
 } // namespace anon
 
 
-
-
 // Handle internal paragraph parsing -- layout already processed.
 void Buffer::simpleLinuxDocOnePar(ostream & os,
                                  Paragraph * par, 
@@ -2828,9 +2794,9 @@ void Buffer::simpleLinuxDocOnePar(ostream & os,
        LyXFont::FONT_SHAPE  shape_type  = LyXFont::UP_SHAPE;
        bool is_em = false;
 
-       stack < PAR_TAG > tag_state;
+       stack<PAR_TAG> tag_state;
        // parsing main loop
-       for (Paragraph::size_type i = 0; i < par->size(); ++i) {
+       for (pos_type i = 0; i < par->size(); ++i) {
 
                PAR_TAG tag_close = NONE;
                list < PAR_TAG > tag_open;
@@ -2953,29 +2919,25 @@ void Buffer::simpleLinuxDocOnePar(ostream & os,
                        continue;
                }
 
-               if (
-#ifndef NO_LATEX
-                       font.latex() == LyXFont::ON ||
-#endif
-                   style.latexparam() == "CDATA") {
+               if (style.latexparam() == "CDATA") {
                        // "TeX"-Mode on == > SGML-Mode on.
                        if (c != '\0')
                                os << c;
                        ++char_line_count;
                } else {
                        string sgml_string;
-                       if (par->linuxDocConvertChar(c, sgml_string)
+                       if (par->sgmlConvertChar(c, sgml_string)
                            && !style.free_spacing) { 
                                // in freespacing mode, spaces are
                                // non-breaking characters
                                if (desc_on) {// if char is ' ' then...
 
                                        ++char_line_count;
-                                       linux_doc_line_break(os, char_line_count, 6);
+                                       sgmlLineBreak(os, char_line_count, 6);
                                        os << "</tag>";
                                        desc_on = false;
                                } else  {
-                                       linux_doc_line_break(os, char_line_count, 1);
+                                       sgmlLineBreak(os, char_line_count, 1);
                                        os << c;
                                }
                        } else {
@@ -2994,19 +2956,20 @@ void Buffer::simpleLinuxDocOnePar(ostream & os,
        // resets description flag correctly
        if (desc_on) {
                // <tag> not closed...
-               linux_doc_line_break(os, char_line_count, 6);
+               sgmlLineBreak(os, char_line_count, 6);
                os << "</tag>";
        }
 }
 
 
 // Print an error message.
-void Buffer::linuxDocError(Paragraph * par, int pos,
-                          string const & message) 
+void Buffer::sgmlError(Paragraph * par, int pos,
+                      string const & message) const
 {
        // insert an error marker in text
        InsetError * new_inset = new InsetError(message);
        par->insertInset(pos, new_inset);
+       par->setFont(pos, LyXFont(LyXFont::ALL_INHERIT, params.language));
 }
 
 
@@ -3014,7 +2977,7 @@ void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
 {
        ofstream ofs(fname.c_str());
        if (!ofs) {
-               WriteAlert(_("LYX_ERROR:"), _("Cannot write file"), fname);
+               Alert::alert(_("LYX_ERROR:"), _("Cannot write file"), fname);
                return;
        }
 
@@ -3033,16 +2996,17 @@ void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
        string top_element = textclasslist.LatexnameOfClass(params.textclass);
 
        if (!only_body) {
-               string sgml_includedfiles = features.getIncludedFiles(fname);
+               ofs << "<!DOCTYPE " << top_element
+                   << "  PUBLIC \"-//OASIS//DTD DocBook V4.1//EN\"";
 
-               ofs << "<!doctype " << top_element
-                   << " public \"-//OASIS//DTD DocBook V3.1//EN\"";
+               string preamble = params.preamble;
+               preamble += features.getIncludedFiles(fname);
+               preamble += features.getLyXSGMLEntities();
 
-               if (params.preamble.empty() && sgml_includedfiles.empty())
-                       ofs << ">\n\n";
-               else
-                       ofs << "\n [ " << params.preamble 
-                           << sgml_includedfiles << " \n]>\n\n";
+               if (!preamble.empty()) {
+                       ofs << "\n [ " << preamble << " ]";
+               }
+               ofs << ">\n\n";
        }
 
        string top = top_element;       
@@ -3056,7 +3020,7 @@ void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
        }
        sgmlOpenTag(ofs, 0, top);
 
-       ofs << "<!-- DocBook file was created by " << LYX_DOCVERSION 
+       ofs << "<!-- DocBook file was created by " << lyx_docversion
            << "\n  See http://www.lyx.org/ for more information -->\n";
 
        vector<string> environment_stack(10);
@@ -3127,9 +3091,9 @@ void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
 
                case LATEX_COMMAND:
                        if (depth != 0)
-                               linuxDocError(par, 0,
-                                             _("Error : Wrong depth for "
-                                               "LatexType Command.\n"));
+                               sgmlError(par, 0,
+                                         _("Error : Wrong depth for "
+                                           "LatexType Command.\n"));
                        
                        command_name = style.latexname();
                        
@@ -3159,7 +3123,7 @@ void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
 
                        // treat label as a special case for
                        // more WYSIWYM handling.
-                       if (par->getChar(0) == Paragraph::META_INSET) {
+                       if (par->isInset(0)) {
                                Inset * inset = par->getInset(0);
                                Inset::Code lyx_code = inset->lyxCode();
                                if (lyx_code == Inset::LABEL_CODE){
@@ -3244,9 +3208,7 @@ void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
                        break;
                }
 
-               string extra_par;
-               simpleDocBookOnePar(ofs, extra_par, par, desc_on,
-                                   depth + 1 + command_depth);
+               simpleDocBookOnePar(ofs, par, desc_on, depth+1+command_depth);
                par = par->next();
 
                string end_tag;
@@ -3311,7 +3273,7 @@ void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
 }
 
 
-void Buffer::simpleDocBookOnePar(ostream & os, string & extra,
+void Buffer::simpleDocBookOnePar(ostream & os,
                                 Paragraph * par, int & desc_on,
                                 Paragraph::depth_type depth) const
 {
@@ -3327,8 +3289,7 @@ void Buffer::simpleDocBookOnePar(ostream & os, string & extra,
        //      os << string(depth,' ');
 
        // parsing main loop
-       for (Paragraph::size_type i = 0;
-            i < par->size(); ++i) {
+       for (pos_type i = 0; i < par->size(); ++i) {
                LyXFont font = par->getFont(params, i);
 
                // handle <emphasis> tag
@@ -3346,53 +3307,21 @@ void Buffer::simpleDocBookOnePar(ostream & os, string & extra,
 
                if (c == Paragraph::META_INSET) {
                        Inset * inset = par->getInset(i);
-                       ostringstream ost;
-                       inset->docBook(this, ost);
-                       string tmp_out = ost.str().c_str();
-
-                       //
-                       // This code needs some explanation:
-                       // Two insets are treated specially
-                       //   label if it is the first element in a command paragraph
-                       //         desc_on == 3
-                       //   graphics inside tables or figure floats can't go on
-                       //   title (the equivalente in latex for this case is caption
-                       //   and title should come first
-                       //         desc_on == 4
-                       //
-                       if (desc_on!= 3 || i!= 0) {
-                               if (!tmp_out.empty() && tmp_out[0] == '@') {
-                                       if (desc_on == 4)
-                                               extra += frontStrip(tmp_out, '@');
-                                       else
-                                               os << frontStrip(tmp_out, '@');
-                               }
-                               else
-                                       os << tmp_out;
-                       }
-#ifndef NO_LATEX
-               } else if (font.latex() == LyXFont::ON) {
-                       // "TeX"-Mode on ==> SGML-Mode on.
-                       if (c != '\0')
-                               os << c;
-                       ++char_line_count;
-#endif
+                       inset->docbook(this, os);
                } else {
                        string sgml_string;
-                       if (par->linuxDocConvertChar(c, sgml_string)
-                           && !style.free_spacing) { // in freespacing
-                                                    // mode, spaces are
-                                                    // non-breaking characters
-                               // char is ' '
-                               if (desc_on == 1) {
-                                       ++char_line_count;
-                                       os << "\n</term><listitem><para>";
-                                       desc_on = 2;
-                               } else {
-                                       os << c;
-                               }
+                       par->sgmlConvertChar(c, sgml_string);
+
+                       if (style.pass_thru) {
+                               os << c;
+                       } else if(style.free_spacing || c != ' ') {
+                                       os << sgml_string;
+                       } else if (desc_on ==1) {
+                               ++char_line_count;
+                               os << "\n</term><listitem><para>";
+                               desc_on = 2;
                        } else {
-                               os << sgml_string;
+                               os << ' ';
                        }
                }
                font_old = font;
@@ -3425,7 +3354,7 @@ int Buffer::runChktex()
        string path = OnlyPath(filename);
 
        string const org_path = path;
-       if (lyxrc.use_tempdir || (IsDirWriteable(path) < 1)) {
+       if (lyxrc.use_tempdir || !IsDirWriteable(path)) {
                path = tmppath;  
        }
 
@@ -3443,7 +3372,7 @@ int Buffer::runChktex()
        int res = chktex.run(terr); // run chktex
 
        if (res == -1) {
-               WriteAlert(_("chktex did not work!"),
+               Alert::alert(_("chktex did not work!"),
                           _("Could not run with file:"), name);
        } else if (res > 0) {
                // Insert all errors as errors boxes
@@ -3454,7 +3383,7 @@ int Buffer::runChktex()
        // error insets after we ran chktex, this must be run:
        if (removedErrorInsets || res){
                users->redraw();
-               users->fitCursor(users->text);
+               users->fitCursor();
        }
        users->owner()->allowInput();
 
@@ -3469,8 +3398,8 @@ void Buffer::validate(LaTeXFeatures & features) const
                textclasslist.TextClass(params.textclass);
     
         // AMS Style is at document level
-        features.amsstyle = (params.use_amsmath ||
-                            tclass.provides(LyXTextClass::amsmath));
+        if (params.use_amsmath || tclass.provides(LyXTextClass::amsmath))
+               features.require("amsstyle");
     
        while (par) {
                // We don't use "lyxerr.debug" because of speed. (Asger)
@@ -3499,12 +3428,12 @@ void Buffer::validate(LaTeXFeatures & features) const
                                   || c == 25
                                   || c == 26
                                   || c == 31) {
-                                       features.latexsym = true;
+                                       features.require("latexsym");
                                }
                        } else if (font == 1) {
-                               features.amssymb = true;
+                               features.require("amssymb");
                        } else if ((font >= 2 && font <= 5)) {
-                               features.pifont = true;
+                               features.require("pifont");
                        }
                }
        }
@@ -3515,33 +3444,6 @@ void Buffer::validate(LaTeXFeatures & features) const
 }
 
 
-void Buffer::setPaperStuff()
-{
-       params.papersize = BufferParams::PAPER_DEFAULT;
-       char const c1 = params.paperpackage;
-       if (c1 == BufferParams::PACKAGE_NONE) {
-               char const c2 = params.papersize2;
-               if (c2 == BufferParams::VM_PAPER_USLETTER)
-                       params.papersize = BufferParams::PAPER_USLETTER;
-               else if (c2 == BufferParams::VM_PAPER_USLEGAL)
-                       params.papersize = BufferParams::PAPER_LEGALPAPER;
-               else if (c2 == BufferParams::VM_PAPER_USEXECUTIVE)
-                       params.papersize = BufferParams::PAPER_EXECUTIVEPAPER;
-               else if (c2 == BufferParams::VM_PAPER_A3)
-                       params.papersize = BufferParams::PAPER_A3PAPER;
-               else if (c2 == BufferParams::VM_PAPER_A4)
-                       params.papersize = BufferParams::PAPER_A4PAPER;
-               else if (c2 == BufferParams::VM_PAPER_A5)
-                       params.papersize = BufferParams::PAPER_A5PAPER;
-               else if ((c2 == BufferParams::VM_PAPER_B3) || (c2 == BufferParams::VM_PAPER_B4) ||
-                        (c2 == BufferParams::VM_PAPER_B5))
-                       params.papersize = BufferParams::PAPER_B5PAPER;
-       } else if ((c1 == BufferParams::PACKAGE_A4) || (c1 == BufferParams::PACKAGE_A4WIDE) ||
-                  (c1 == BufferParams::PACKAGE_WIDEMARGINSA4))
-               params.papersize = BufferParams::PAPER_A4PAPER;
-}
-
-
 // This function should be in Buffer because it's a buffer's property (ale)
 string const Buffer::getIncludeonlyList(char delim)
 {
@@ -3588,10 +3490,21 @@ Buffer::Lists const Buffer::getLists() const
 {
        Lists l;
        Paragraph * par = paragraph;
+
+#if 1
+       std::pair<bool, LyXTextClassList::size_type> const tmp =
+               textclasslist.NumberOfLayout(params.textclass, "Caption");
+       bool const found = tmp.first;
+       LyXTextClassList::size_type const cap = tmp.second;
+       
+#else
+       // This is the prefered way to to this, but boost::tie can break
+       // some compilers
        bool found;
        LyXTextClassList::size_type cap;
        boost::tie(found, cap) = textclasslist
                .NumberOfLayout(params.textclass, "Caption");
+#endif
 
        while (par) {
                char const labeltype =
@@ -3761,35 +3674,31 @@ void Buffer::resizeInsets(BufferView * bv)
 void Buffer::redraw()
 {
        users->redraw(); 
-       users->fitCursor(users->text); 
+       users->fitCursor(); 
 }
 
 
 void Buffer::changeLanguage(Language const * from, Language const * to)
 {
 
-       Paragraph * par = paragraph;
-       while (par) {
-               par->changeLanguage(params, from, to);
-               par = par->next();
-       }
+       ParIterator end = par_iterator_end();
+       for (ParIterator it = par_iterator_begin(); it != end; ++it)
+               (*it)->changeLanguage(params, from, to);
 }
 
 
 bool Buffer::isMultiLingual()
 {
-       Paragraph * par = paragraph;
-       while (par) {
-               if (par->isMultiLingual(params))
+       ParIterator end = par_iterator_end();
+       for (ParIterator it = par_iterator_begin(); it != end; ++it)
+               if ((*it)->isMultiLingual(params))
                        return true;
-               par = par->next();
-       }
+
        return false;
 }
 
 
-Buffer::inset_iterator::inset_iterator(Paragraph * paragraph,
-                                      Paragraph::size_type pos)
+Buffer::inset_iterator::inset_iterator(Paragraph * paragraph, pos_type pos)
        : par(paragraph)
 {
        it = par->InsetIterator(pos);
@@ -3844,3 +3753,15 @@ Paragraph * Buffer::getParFromID(int id) const
        }
        return 0;
 }
+
+
+ParIterator Buffer::par_iterator_begin()
+{
+        return ParIterator(paragraph);
+}
+
+
+ParIterator Buffer::par_iterator_end()
+{
+        return ParIterator();
+}