]> git.lyx.org Git - features.git/blobdiff - src/paragraph.C
clear()->erase() ; lots of using directives for cxx
[features.git] / src / paragraph.C
index 7da6e8ce0a9a1519659800db2cb4a30e94cde368..e1833d2248a9bcd40869a11219ffa0441ec264f3 100644 (file)
@@ -14,9 +14,8 @@
 #pragma implementation "lyxparagraph.h"
 #endif
 
+#include <algorithm>
 #include <fstream>
-using std::fstream;
-using std::ios;
 
 #include "lyxparagraph.h"
 #include "support/textutils.h"
@@ -33,14 +32,19 @@ using std::ios;
 #include "support/filetools.h"
 #include "lyx_gui_misc.h"
 #include "texrow.h"
+#include "support/lyxmanip.h"
 
+using std::ostream;
+using std::endl;
+using std::fstream;
+using std::ios;
+using std::lower_bound;
+using std::upper_bound;
 
-extern void addNewlineAndDepth(string & file, int depth); // Jug 990923
 int tex_code_break_column = 72;  // needs non-zero initialization. set later.
 // this is a bad idea, but how can LyXParagraph find its buffer to get
 // parameters? (JMarc)
 extern BufferView * current_view;
-extern LyXRC * lyxrc;
 
 
 // ale970405
@@ -75,6 +79,7 @@ LyXParagraph::LyXParagraph()
        /* table stuff -- begin*/ 
        table = 0;
        /* table stuff -- end*/ 
+       inset_owner = 0;
        id_ = paragraph_id++;
         bibkey = 0; // ale970302
        Clear();
@@ -104,6 +109,7 @@ LyXParagraph::LyXParagraph(LyXParagraph * par)
        /* table stuff -- begin*/ 
        table = 0;
        /* table stuff -- end*/ 
+       inset_owner = 0;
        id_ = paragraph_id++;
 
         bibkey = 0; // ale970302        
@@ -163,7 +169,10 @@ void LyXParagraph::writeFile(ostream & os, BufferParams const & params,
                if (added_space_bottom.kind() != VSpace::NONE)
                        os << "\\added_space_bottom "
                           << added_space_bottom.asLyXCommand() << " ";
-                       
+
+               // Maybe the paragraph has special spacing
+               spacing.writeFile(os, true);
+               
                // The labelwidth string used in lists.
                if (!labelwidthstring.empty())
                        os << "\\labelwidthstring "
@@ -236,7 +245,7 @@ void LyXParagraph::writeFile(ostream & os, BufferParams const & params,
        if (bibkey)
                bibkey->Write(os);
 
-       font1 = LyXFont(LyXFont::ALL_INHERIT);
+       font1 = LyXFont(LyXFont::ALL_INHERIT,params.language_info);
 
        column = 0;
        for (size_type i = 0; i < size(); ++i) {
@@ -280,12 +289,6 @@ void LyXParagraph::writeFile(ostream & os, BufferParams const & params,
                        os << "\n\\hfill \n";
                        column = 0;
                        break;
-#if 0
-               case META_PROTECTED_SEPARATOR: 
-                       os << "\n\\protected_separator \n";
-                       column = 0;
-                       break;
-#endif
                case '\\':
                        os << "\n\\backslash \n";
                        column = 0;
@@ -323,19 +326,25 @@ void LyXParagraph::writeFile(ostream & os, BufferParams const & params,
 
 void LyXParagraph::validate(LaTeXFeatures & features) const
 {
+       BufferParams const & params = features.bufferParams();
+       
        // this will be useful later
        LyXLayout const & layout =
-               textclasslist.Style(current_view->buffer()->params.textclass, 
+               textclasslist.Style(params.textclass, 
                                    GetLayout());
        
        // check the params.
        if (line_top || line_bottom)
                features.lyxline = true;
+       if (!spacing.isDefault())
+               features.setspace = true;
        
        // then the layouts
        features.layout[GetLayout()] = true;
 
        // then the fonts
+       Language const * doc_language = params.language_info;
+       
        for (FontList::const_iterator cit = fontlist.begin();
             cit != fontlist.end(); ++cit) {
                if ((*cit).font.noun() == LyXFont::ON) {
@@ -358,6 +367,12 @@ void LyXParagraph::validate(LaTeXFeatures & features) const
                                             << (*cit).font.stateText()
                                             << endl;
                }
+               Language const * language = (*cit).font.language();
+               if (language != doc_language && language != default_language) {
+                       features.UsedLanguages.insert(language);
+                       lyxerr[Debug::LATEX] << "Found language "
+                                            << language->lang << endl;
+               }               
        }
 
        // then the insets
@@ -376,8 +391,8 @@ void LyXParagraph::validate(LaTeXFeatures & features) const
         if (layout.needprotect 
            && next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
                features.NeedLyXFootnoteCode = true;
-        if ((current_view->buffer()->params.paragraph_separation == BufferParams::PARSEP_INDENT) &&
-            (pextra_type == LyXParagraph::PEXTRA_MINIPAGE))
+        if (params.paragraph_separation == BufferParams::PARSEP_INDENT
+            && pextra_type == LyXParagraph::PEXTRA_MINIPAGE)
                features.NeedLyXMinipageIndent = true;
         if (table && table->NeedRotating())
                features.rotating = true;
@@ -416,14 +431,11 @@ void LyXParagraph::CutIntoMinibuffer(LyXParagraph::size_type pos)
                        // the inset, not just a clone. Otherwise
                        // the inset would be deleted when calling Erase(pos)
                        // find the entry
-                       for (InsetList::iterator it = insetlist.begin();
-                            it != insetlist.end(); ++it) {
-                               if ((*it).pos == pos) {
-                                       (*it).inset = 0;
-                                       break;
-                               }
-                                       
-                       }
+                       InsetList::iterator it = lower_bound(insetlist.begin(),
+                                                            insetlist.end(),
+                                                            pos, matchIT());
+                       if (it != insetlist.end() && (*it).pos == pos)
+                               (*it).inset = 0;
                } else {
                        minibuffer_inset = 0;
                        minibuffer_char = ' ';
@@ -436,12 +448,16 @@ void LyXParagraph::CutIntoMinibuffer(LyXParagraph::size_type pos)
 }
 
 
-void LyXParagraph::InsertFromMinibuffer(LyXParagraph::size_type pos)
+bool LyXParagraph::InsertFromMinibuffer(LyXParagraph::size_type pos)
 {
+       if ((minibuffer_char == LyXParagraph::META_INSET) &&
+           !InsertInsetAllowed(minibuffer_inset))
+               return false;
        InsertChar(pos, minibuffer_char);
        SetFont(pos, minibuffer_font);
        if (minibuffer_char == LyXParagraph::META_INSET)
                InsertInset(pos, minibuffer_inset);
+       return true;
 }
 
 // end of minibuffer
@@ -458,20 +474,21 @@ void LyXParagraph::Clear()
 
        added_space_top = VSpace(VSpace::NONE);
        added_space_bottom = VSpace(VSpace::NONE);
-
+       spacing.set(Spacing::Default);
+       
        align = LYX_ALIGN_LAYOUT;
        depth = 0;
        noindent = false;
 
         pextra_type = PEXTRA_NONE;
-        pextra_width.clear();
-        pextra_widthp.clear();
+        pextra_width.erase();
+        pextra_widthp.erase();
         pextra_alignment = MINIPAGE_ALIGN_TOP;
         pextra_hfill = false;
         pextra_start_minipage = false;
 
-        labelstring.clear();
-       labelwidthstring.clear();
+        labelstring.erase();
+       labelwidthstring.erase();
        layout = 0;
        bibkey = 0;
        
@@ -498,6 +515,9 @@ LyXParagraph::~LyXParagraph()
 
         // ale970302
        delete bibkey;
+       //
+       //lyxerr << "LyXParagraph::paragraph_id = "
+       //       << LyXParagraph::paragraph_id << endl;
 }
 
 
@@ -517,13 +537,12 @@ void LyXParagraph::Erase(LyXParagraph::size_type pos)
                // if it is an inset, delete the inset entry 
                if (text[pos] == LyXParagraph::META_INSET) {
                        // find the entry
-                       for (InsetList::iterator it = insetlist.begin();
-                            it != insetlist.end(); ++it) {
-                               if ((*it).pos == pos) {
-                                       delete (*it).inset;
-                                       insetlist.erase(it);
-                                       break;
-                               }
+                       InsetList::iterator it = lower_bound(insetlist.begin(),
+                                                            insetlist.end(),
+                                                            pos, matchIT());
+                       if (it != insetlist.end() && (*it).pos == pos) {
+                               delete (*it).inset;
+                               insetlist.erase(it);
                        }
                }
                text.erase(text.begin() + pos);
@@ -551,11 +570,11 @@ void LyXParagraph::Erase(LyXParagraph::size_type pos)
                }
 
                // Update the inset table.
-               for (InsetList::iterator it = insetlist.begin();
-                    it != insetlist.end(); ++it) {
-                       if ((*it).pos > pos)
-                               (*it).pos--;
-               }
+               for (InsetList::iterator it = upper_bound(insetlist.begin(),
+                                                         insetlist.end(),
+                                                         pos, matchIT());
+                    it != insetlist.end(); ++it)
+                       --(*it).pos;
        } else {
                lyxerr << "ERROR (LyXParagraph::Erase): "
                        "can't erase non-existant char." << endl;
@@ -588,11 +607,11 @@ void LyXParagraph::InsertChar(LyXParagraph::size_type pos, char c)
        }
    
        // Update the inset table.
-       for (InsetList::iterator it = insetlist.begin();
-            it != insetlist.end(); ++it) {
-               if ((*it).pos >= pos)
-                       (*it).pos++;
-       }
+       for (InsetList::iterator it = lower_bound(insetlist.begin(),
+                                                 insetlist.end(),
+                                                 pos, matchIT());
+            it != insetlist.end(); ++it)
+               ++(*it).pos;
 }
 
 
@@ -619,14 +638,29 @@ void LyXParagraph::InsertInset(LyXParagraph::size_type pos,
 
        if (inset) {
                // Add a new entry in the inset table.
-               InsetList::iterator it =
-                       insetlist.insert(insetlist.begin(), InsetTable());
-               (*it).inset = inset;
-               (*it).pos = pos;
+               InsetList::iterator it = lower_bound(insetlist.begin(),
+                                                    insetlist.end(),
+                                                    pos, matchIT());
+               if (it != insetlist.end() && (*it).pos == pos)
+                       lyxerr << "ERROR (LyXParagraph::InsertInset): "
+                               "there is an inset in position: " << pos << endl;
+               else
+                       insetlist.insert(it, InsetTable(pos,inset));
+               if (inset_owner)
+                       inset->setOwner(inset_owner);
        }
 }
 
 
+bool LyXParagraph::InsertInsetAllowed(Inset *inset)
+{
+       if (inset_owner) {
+               printf("CODE:%d\n",inset->LyxCode());
+               return inset_owner->InsertInsetAllowed(inset);
+       }
+       return true;
+}
+
 Inset * LyXParagraph::GetInset(LyXParagraph::size_type pos)
 {
        if (pos >= size()) {
@@ -642,15 +676,15 @@ Inset * LyXParagraph::GetInset(LyXParagraph::size_type pos)
                return 0;
        }
        // Find the inset.
-       for (InsetList::iterator it = insetlist.begin();
-            it != insetlist.end(); ++it) {
-               if ((*it).pos == pos) {
-                       return (*it).inset;
-               }
-       }
+       InsetList::iterator it = lower_bound(insetlist.begin(),
+                                            insetlist.end(),
+                                            pos, matchIT());
+       if (it != insetlist.end() && (*it).pos == pos)
+               return (*it).inset;
+
        lyxerr << "ERROR (LyXParagraph::GetInset): "
                "Inset does not exist: " << pos << endl;
-       text[pos] = ' '; // WHY!!! does this set the pos to ' '????
+       // text[pos] = ' '; // WHY!!! does this set the pos to ' '????
        // Did this commenting out introduce a bug? So far I have not
        // see any, please enlighten me. (Lgb)
        // My guess is that since the inset does not exist, we might
@@ -674,12 +708,12 @@ Inset const * LyXParagraph::GetInset(LyXParagraph::size_type pos) const
                return 0;
        }
        // Find the inset.
-       for (InsetList::const_iterator cit = insetlist.begin();
-            cit != insetlist.end(); ++cit) {
-               if ((*cit).pos == pos) {
-                       return (*cit).inset;
-               }
-       }
+       InsetList::const_iterator cit = lower_bound(insetlist.begin(),
+                                                   insetlist.end(),
+                                                   pos, matchIT());
+       if (cit != insetlist.end() && (*cit).pos == pos)
+               return (*cit).inset;
+
        lyxerr << "ERROR (LyXParagraph::GetInset): "
                "Inset does not exist: " << pos << endl;
        //text[pos] = ' '; // WHY!!! does this set the pos to ' '????
@@ -696,11 +730,17 @@ Inset const * LyXParagraph::GetInset(LyXParagraph::size_type pos) const
 LyXFont LyXParagraph::GetFontSettings(LyXParagraph::size_type pos) const
 {
        if (pos < size()) {
+#ifdef SORTED_FONT_LIST
                for (FontList::const_iterator cit = fontlist.begin();
-                    cit != fontlist.end(); ++cit) {
+                    cit != fontlist.end() && pos <= (*cit).pos_end; ++cit)
+                       if (pos >= (*cit).pos)
+                               return (*cit).font;
+#else
+               for (FontList::const_iterator cit = fontlist.begin();
+                    cit != fontlist.end(); ++cit)
                        if (pos >= (*cit).pos && pos <= (*cit).pos_end)
                                return (*cit).font;
-               }
+#endif
        }
        // > because last is the next unused position, and you can 
        // use it if you want
@@ -720,12 +760,31 @@ LyXFont LyXParagraph::GetFontSettings(LyXParagraph::size_type pos) const
                               << pos << " (" << static_cast<int>(pos)
                               << ")" << endl;
                }
-       } else if (pos) {
+       } else if (pos > 0) {
                return GetFontSettings(pos - 1);
-       }
+       } else // pos = size() = 0
+               return LyXFont(LyXFont::ALL_INHERIT,getParLanguage());
+
        return LyXFont(LyXFont::ALL_INHERIT);
 }
 
+// Gets uninstantiated font setting at position 0
+LyXFont LyXParagraph::GetFirstFontSettings() const
+{
+       if (size() > 0) {
+#ifdef SORTED_FONT_LIST
+               if (!fontlist.empty() && fontlist.front().pos == 0)
+                       return fontlist.front().font;
+#else
+               for (FontList::const_iterator cit = fontlist.begin();
+                    cit != fontlist.end(); ++cit)
+                       if (0 >= (*cit).pos && 0 <= (*cit).pos_end)
+                               return (*cit).font;
+#endif
+       } else if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE) 
+               return NextAfterFootnote()->GetFirstFontSettings();
+       return LyXFont(LyXFont::ALL_INHERIT);
+}
 
 // Gets the fully instantiated font at a given position in a paragraph
 // This is basically the same function as LyXText::GetFont() in text2.C.
@@ -758,8 +817,7 @@ LyXFont LyXParagraph::getFont(LyXParagraph::size_type pos) const
                        tmpfont = layout.font;
                else
                        tmpfont = layout.labelfont;
-               if (getParDirection() == LYX_DIR_RIGHT_TO_LEFT)
-                       tmpfont.setDirection(LyXFont::RTL_DIR);
+               tmpfont.setLanguage(getParLanguage());
        }
 
        // check for environment font information
@@ -1178,7 +1236,7 @@ LyXParagraph * LyXParagraph::PreviousBeforeFootnote()
 {
        LyXParagraph * tmp;
        if (previous && previous->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
-               tmp = next;
+               tmp = previous;
                while (tmp && tmp->footnoteflag != LyXParagraph::NO_FOOTNOTE)
                        tmp = tmp->previous;
                if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE) 
@@ -1202,9 +1260,20 @@ LyXParagraph * LyXParagraph::LastPhysicalPar()
                tmp = tmp->NextAfterFootnote();
    
        return tmp;
-   
 }
 
+LyXParagraph const * LyXParagraph::LastPhysicalPar() const
+{
+       if (footnoteflag != LyXParagraph::NO_FOOTNOTE)
+               return this;
+   
+       LyXParagraph const * tmp = this;
+       while (tmp->next
+              && tmp->next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
+               tmp = tmp->NextAfterFootnote();
+   
+       return tmp;  
+}
 
 LyXParagraph * LyXParagraph::FirstPhysicalPar()
 {
@@ -1291,7 +1360,7 @@ LyXParagraph const * LyXParagraph::Previous() const
 void LyXParagraph::BreakParagraph(LyXParagraph::size_type pos,
                                  int flag)
 {
-       size_type i, pos_end, pos_first;
+       size_type i, j, pos_end, pos_first;
        // create a new paragraph
        LyXParagraph * par = ParFromPos(pos);
        LyXParagraph * firstpar = FirstPhysicalPar();
@@ -1332,13 +1401,11 @@ void LyXParagraph::BreakParagraph(LyXParagraph::size_type pos,
                        ++pos_first;
 
                pos_end = pos_first + par->text.size() - 1;
-               // The constructor has already reserved 500 elements
-               //if (pos_end > pos)
-               //      tmp->text.reserve(pos_end - pos);
 
-               for (i = pos; i <= pos_end; ++i) {
+               for (i = j = pos; i <= pos_end; ++i) {
                        par->CutIntoMinibuffer(i - pos_first);
-                       tmp->InsertFromMinibuffer(i - pos);
+                       if (tmp->InsertFromMinibuffer(j - pos))
+                               ++j;
                }
                tmp->text.resize(tmp->text.size());
                for (i = pos_end; i >= pos; --i)
@@ -1382,6 +1449,8 @@ void LyXParagraph::MakeSameLayout(LyXParagraph const * par)
        pagebreak_top = par->pagebreak_top;
        added_space_top = par->added_space_top;
 
+       spacing = par->spacing;
+       
         pextra_type = par->pextra_type;
         pextra_width = par->pextra_width;
         pextra_widthp = par->pextra_widthp;
@@ -1428,18 +1497,21 @@ LyXParagraph * LyXParagraph::Clone() const
        else
                result->table = 0;
        /* table stuff -- end*/ 
+
+       result->inset_owner = inset_owner;
    
         // ale970302
         result->bibkey = (bibkey) ? new InsetBibKey(bibkey): 0;
                
     
        // copy everything behind the break-position to the new paragraph
-   
-       for (size_type i = 0; i < size(); ++i) {
-               CopyIntoMinibuffer(i);
-               result->InsertFromMinibuffer(i);
-       }
-       result->text.resize(result->text.size());
+
+       result->text = text;
+       result->fontlist = fontlist;
+       result->insetlist = insetlist;
+       for (InsetList::iterator it = result->insetlist.begin();
+            it != result->insetlist.end(); ++it)
+               (*it).inset = (*it).inset->Clone();
        return result;
 }
 
@@ -1464,6 +1536,8 @@ bool LyXParagraph::HasSameLayout(LyXParagraph const * par) const
                par->pagebreak_top == pagebreak_top &&
                par->added_space_top == added_space_top &&
 
+               par->spacing == spacing &&
+               
                 par->pextra_type == pextra_type &&
                 par->pextra_width == pextra_width && 
                 par->pextra_widthp == pextra_widthp && 
@@ -1496,19 +1570,12 @@ void LyXParagraph::BreakParagraphConservative(LyXParagraph::size_type pos)
                while (ParFromPos(pos_first) != par)
                        ++pos_first;
                size_type pos_end = pos_first + par->text.size() - 1;
-               // make sure there is enough memory for the now larger
-               // paragraph. This is not neccessary, because
-               // InsertFromMinibuffer will enlarge the memory (it uses
-               // InsertChar of course). But doing it by hand
-               // is MUCH faster! (only one time, not thousend times!!)
-               // Not needed since the constructor aleady have
-               // reserved 500 elements in text.
-               //if (pos_end > pos)
-               //      tmp->text.reserve(pos_end - pos);
-
-               for (size_type i = pos; i <= pos_end; ++i) {
+
+               size_type i, j;
+               for (i = j = pos; i <= pos_end; ++i) {
                        par->CutIntoMinibuffer(i - pos_first);
-                       tmp->InsertFromMinibuffer(i - pos);
+                       if (tmp->InsertFromMinibuffer(j - pos))
+                               ++j;
                }
                tmp->text.resize(tmp->text.size());
                for (size_type i = pos_end; i >= pos; --i)
@@ -1536,9 +1603,11 @@ void LyXParagraph::PasteParagraph()
        size_type pos_insert = Last();
 
        // ok, now copy the paragraph
-       for (size_type i = 0; i <= pos_end; ++i) {
+       size_type i, j;
+       for (i = j = 0; i <= pos_end; ++i) {
                the_next->CutIntoMinibuffer(i);
-               InsertFromMinibuffer(pos_insert + i);
+               if (InsertFromMinibuffer(pos_insert + j))
+                       ++j;
        }
    
        // delete the next paragraph
@@ -1567,6 +1636,40 @@ void LyXParagraph::CloseFootnote(LyXParagraph::size_type pos)
        }
 }
 
+int LyXParagraph::GetEndLabel() const
+{
+       LyXParagraph const * par = this;
+       int par_depth = GetDepth();
+       while (par) {
+               LyXTextClass::LayoutList::size_type layout = par->GetLayout();
+               int endlabeltype =
+                       textclasslist.Style(current_view->buffer()->params.textclass,
+                                           layout).endlabeltype;
+               if (endlabeltype != END_LABEL_NO_LABEL) {
+                       LyXParagraph const * last = this;
+                       if( footnoteflag == NO_FOOTNOTE)
+                               last = LastPhysicalPar();
+                       else if (next->footnoteflag == NO_FOOTNOTE)
+                               return endlabeltype;
+
+                       if (!last || !last->next)
+                               return endlabeltype;
+
+                       int next_depth = last->next->GetDepth();
+                       if (par_depth > next_depth ||
+                           (par_depth == next_depth && layout != last->next->GetLayout() ))
+                               return endlabeltype;
+                       break;
+               }
+               if (par_depth == 0)
+                       break;
+               par = par->DepthHook(par_depth - 1);
+               if (par)
+                       par_depth = par->GetDepth();
+       }
+       return END_LABEL_NO_LABEL;
+}
+
 
 LyXTextClass::size_type LyXParagraph::GetLayout() const
 {
@@ -1586,7 +1689,7 @@ char LyXParagraph::GetAlign() const
 }
 
 
-string LyXParagraph::GetLabestring() const
+string LyXParagraph::GetLabelstring() const
 {
        return FirstPhysicalPar()->labelstring;
 }
@@ -1669,10 +1772,12 @@ void LyXParagraph::SetLayout(LyXTextClass::size_type new_layout)
                * npar = 0;
 
         par->layout = new_layout;
-       par->labelwidthstring.clear();
+       par->labelwidthstring.erase();
        par->align = LYX_ALIGN_LAYOUT;
        par->added_space_top = VSpace(VSpace::NONE);
        par->added_space_bottom = VSpace(VSpace::NONE);
+       par->spacing.set(Spacing::Default);
+       
        /* table stuff -- begin*/ 
        if (table) 
                par->layout = 0;
@@ -1799,36 +1904,29 @@ LyXParagraph const * LyXParagraph::DepthHook(int deth) const
 
 int LyXParagraph::AutoDeleteInsets()
 {
-       vector<size_type> tmpvec;
-       int i = 0;
-       for (InsetList::iterator it = insetlist.begin();
-            it != insetlist.end(); ++it) {
-               if ((*it).inset && (*it).inset->AutoDelete()) {
-                       tmpvec.push_back((*it).pos);
-                       ++i;
-               }
-       }
-       for (vector<size_type>::const_iterator cit = tmpvec.begin();
-            cit != tmpvec.end(); ++cit) {
-               Erase((*cit));
+       int count = 0;
+       InsetList::size_type index = 0;
+       while (index < insetlist.size()) {
+               if (insetlist[index].inset && insetlist[index].inset->AutoDelete()) {
+                       Erase(insetlist[index].pos); 
+                       // Erase() calls to insetlist.erase(&insetlist[index])
+                       // so index shouldn't be increased.
+                       ++count;
+               } else
+                       ++index;
        }
-       return i;
+       return count;
 }
 
 
 Inset * LyXParagraph::ReturnNextInsetPointer(LyXParagraph::size_type & pos)
 {
-       InsetList::iterator it2 = insetlist.end();
-       for (InsetList::iterator it = insetlist.begin();
-            it != insetlist.end(); ++it) {
-               if ((*it).pos >= pos) {
-                       if (it2 == insetlist.end() || (*it).pos < (*it2).pos)
-                               it2 = it;
-               }
-       }
-       if (it2 != insetlist.end()) {
-               pos = (*it2).pos;
-               return (*it2).inset;
+       InsetList::iterator it = lower_bound(insetlist.begin(),
+                                            insetlist.end(),
+                                            pos, matchIT());
+       if (it != insetlist.end()) {
+               pos = (*it).pos;
+               return (*it).inset;
        }
        return 0;
 }
@@ -1838,6 +1936,15 @@ Inset * LyXParagraph::ReturnNextInsetPointer(LyXParagraph::size_type & pos)
 int LyXParagraph::GetPositionOfInset(Inset * inset) const
 {
        // Find the entry.
+       // We could use lower_bound here too, we just need to add
+       // the approp. operator() to matchIT (and change the name
+       // of that struct). Code would then be:
+       // InsetList::const_iterator cit = lower_bound(insetlist.begin(),
+       //                                             insetlist.end(),
+       //                                             inset, matchIT());
+       // if ((*cit).inset == inset) {
+       //         return (*cit).pos;
+       // }
        for (InsetList::const_iterator cit = insetlist.begin();
             cit != insetlist.end(); ++cit) {
                if ((*cit).inset == inset) {
@@ -1856,23 +1963,12 @@ int LyXParagraph::GetPositionOfInset(Inset * inset) const
 }
 
 
-void LyXParagraph::readSimpleWholeFile(istream & is)
-{
-       is.seekg(0);
-       char c = 0;
-       while(!is.eof()) {
-               is.get(c);
-               InsertChar(text.size(), c);
-       };
-}
-
-
-LyXParagraph * LyXParagraph::TeXOnePar(string & file, TexRow & texrow,
-                                      string & foot, TexRow & foot_texrow,
+LyXParagraph * LyXParagraph::TeXOnePar(ostream & os, TexRow & texrow,
+                                      ostream & foot,
+                                      TexRow & foot_texrow,
                                       int & foot_count)
 {
        lyxerr[Debug::LATEX] << "TeXOnePar...     " << this << endl;
-       LyXParagraph * par = next;
        LyXLayout const & style =
                textclasslist.Style(current_view->buffer()->params.textclass,
                                    layout);
@@ -1882,91 +1978,106 @@ LyXParagraph * LyXParagraph::TeXOnePar(string & file, TexRow & texrow,
                lyxerr << "ERROR (LyXParagraph::TeXOnePar) is dummy." << endl;
 
        if (start_of_appendix) {
-               file += "\\appendix\n";
+               os << "\\appendix\n";
                texrow.newline();
        }
 
+       if (!spacing.isDefault()
+           && (!Previous() || !Previous()->HasSameLayout(this))) {
+               os << spacing.writeEnvirBegin() << "\n";
+               texrow.newline();
+       }
+       
        if (tex_code_break_column && style.isCommand()){
-               file += '\n';
+               os << '\n';
                texrow.newline();
        }
 
        if (pagebreak_top) {
-               file += "\\newpage";
+               os << "\\newpage";
                further_blank_line = true;
        }
        if (added_space_top.kind() != VSpace::NONE) {
-               file += added_space_top.asLatexCommand(current_view->buffer()->params);
+               os << added_space_top.asLatexCommand(current_view->buffer()->params);
                further_blank_line = true;
        }
       
        if (line_top) {
-               file += "\\lyxline{\\" + getFont(0).latexSize() + '}';
-               file += "\\vspace{-1\\parskip}";
+               os << "\\lyxline{\\" << getFont(0).latexSize() << '}'
+                  << "\\vspace{-1\\parskip}";
                further_blank_line = true;
        }
 
        if (further_blank_line){
-               file += '\n';
+               os << '\n';
                texrow.newline();
        }
 
-       LyXDirection direction = getParDirection();
-       LyXDirection global_direction =
-               current_view->buffer()->params.getDocumentDirection();
-       if (direction != global_direction) {
-               if (direction == LYX_DIR_LEFT_TO_RIGHT)
-                       file += "\\unsethebrew\n";
-               else
-                       file += "\\sethebrew\n";
+       Language const * language = getParLanguage();
+       Language const * doc_language = current_view->buffer()->params.language_info;
+       if (language != doc_language) {
+               os << subst(lyxrc.language_command_begin, "$$lang",
+                           language->lang)
+                  << endl;
                texrow.newline();
        }
        
-
        switch (style.latextype) {
        case LATEX_COMMAND:
-               file += '\\';
-               file += style.latexname();
-               file += style.latexparam();
+               os << '\\'
+                  << style.latexname()
+                  << style.latexparam();
                break;
        case LATEX_ITEM_ENVIRONMENT:
                if (bibkey) {
-#ifdef USE_OSTREAM_ONLY
-#ifdef HAVE_SSTREAM
-                       ostringstream ost;
-                       bibkey->Latex(ost, false);
-                       file += ost.str().c_str();
-#else
-                       ostrstream ost;
-                       bibkey->Latex(ost, false);
-                       ost << '\0';
-                       char * tmp = ost.str();
-                       file += tmp;
-                       delete [] tmp;
-#endif
-#else
-                       bibkey->Latex(file, false);
-#endif
+                       bibkey->Latex(os, false, false);
                } else
-                       file += "\\item ";
+                       os << "\\item ";
                break;
        case LATEX_LIST_ENVIRONMENT:
-               file += "\\item ";
+               os << "\\item ";
                break;
        default:
                break;
        }
 
-       bool need_par = SimpleTeXOnePar(file, texrow);
+       bool need_par = SimpleTeXOnePar(os, texrow);
  
        // Spit out footnotes
-       while (par && par->footnoteflag != LyXParagraph::NO_FOOTNOTE
-              && par->footnoteflag != footnoteflag) {
-               par = par->TeXFootnote(file, texrow,
-                                      foot, foot_texrow, foot_count,
-                                      direction);
-               par->SimpleTeXOnePar(file, texrow);
-               par = par->next;
+       LyXParagraph * par = next;
+       if (lyxrc.rtl_support) {
+               if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE
+                   && next->footnoteflag != footnoteflag) {
+                       LyXParagraph * p = 0;
+                       bool is_rtl = GetFontSettings(size()-1).isRightToLeft();
+                       if ( (p = NextAfterFootnote()) != 0 &&
+                            p->GetFontSettings(0).isRightToLeft() != is_rtl)
+                               is_rtl = GetFontSettings(0).isRightToLeft();
+                       while (par &&
+                              par->footnoteflag != LyXParagraph::NO_FOOTNOTE &&
+                              par->footnoteflag != footnoteflag) {
+                               par = par->TeXFootnote(os, texrow, foot,
+                                                      foot_texrow, foot_count,
+                                                      is_rtl);
+                               par->SimpleTeXOnePar(os, texrow);
+                               is_rtl = par->GetFontSettings(par->size()-1).isRightToLeft();
+                               if (par->next &&
+                                   par->next->footnoteflag != LyXParagraph::NO_FOOTNOTE &&
+                                   (p = par->NextAfterFootnote()) != 0 &&
+                                   p->GetFontSettings(0).isRightToLeft() != is_rtl)
+                                       is_rtl = GetFontSettings(0).isRightToLeft();
+                               par = par->next;
+                       }
+               }
+       } else {
+               while (par && par->footnoteflag != LyXParagraph::NO_FOOTNOTE
+                      && par->footnoteflag != footnoteflag) {
+                       par = par->TeXFootnote(os, texrow,
+                                              foot, foot_texrow, foot_count,
+                                              false);
+                       par->SimpleTeXOnePar(os, texrow);
+                       par = par->next;
+               }
        }
 
        // Make sure that \\par is done with the font of the last
@@ -1974,37 +2085,37 @@ LyXParagraph * LyXParagraph::TeXOnePar(string & file, TexRow & texrow,
        // This is necessary because LaTeX (and LyX on the screen)
        // calculates the space between the baselines according
        // to this font. (Matthias)
-       LyXFont font = getFont(Last()-1);
+       LyXFont font = getFont(Last() - 1);
        if (need_par) {
                if (style.resfont.size() != font.size()) {
-                       file += '\\';
-                       file += font.latexSize();
-                       file += ' ';
+                       os << '\\'
+                          << font.latexSize()
+                          << ' ';
                }
-               file += "\\par}";
+               os << "\\par}";
        } else if (textclasslist.Style(current_view->buffer()->params.textclass,
                                       GetLayout()).isCommand()){
                if (style.resfont.size() != font.size()) {
-                       file += '\\';
-                       file += font.latexSize();
-                       file += ' ';
+                       os << '\\'
+                          << font.latexSize()
+                          << ' ';
                }
-               file += '}';
+               os << '}';
        } else if (style.resfont.size() != font.size()){
-               file += "{\\" + font.latexSize() + " \\par}";
+               os << "{\\" << font.latexSize() << " \\par}";
        }
 
-       if (direction != global_direction)
-               if (direction == LYX_DIR_LEFT_TO_RIGHT)
-                       file += "\\sethebrew";
-               else
-                       file += "\\unsethebrew";
+       if (language != doc_language) {
+               os << endl 
+                  << subst(lyxrc.language_command_end, "$$lang",
+                           doc_language->lang);
+       }
        
        switch (style.latextype) {
        case LATEX_ITEM_ENVIRONMENT:
        case LATEX_LIST_ENVIRONMENT:
                 if (par && (depth < par->depth)) {
-                        file += '\n';
+                        os << '\n';
                         texrow.newline();
                 }
                break;
@@ -2017,7 +2128,8 @@ LyXParagraph * LyXParagraph::TeXOnePar(string & file, TexRow & texrow,
                        || par->pextra_type != pextra_type))
                        break;
        default:
-               if (!(footnoteflag != LyXParagraph::NO_FOOTNOTE
+               // we don't need it for the last paragraph!!!
+               if (next && !(footnoteflag != LyXParagraph::NO_FOOTNOTE
                      && footnotekind != LyXParagraph::FOOTNOTE
                      && footnotekind != LyXParagraph::MARGIN
                      && (table
@@ -2027,35 +2139,42 @@ LyXParagraph * LyXParagraph::TeXOnePar(string & file, TexRow & texrow,
                        // before or after a table in a float.  This 
                        // little trick is needed in order to allow
                        // use of tables in \subfigures or \subtables.
-                       file += '\n';
+                       os << '\n';
                        texrow.newline();
                }
        }
        
        further_blank_line = false;
        if (line_bottom) {
-               file += "\\lyxline{\\" + getFont(Last()-1).latexSize() + '}';
+               os << "\\lyxline{\\" << getFont(Last() - 1).latexSize() << '}';
                further_blank_line = true;
        }
 
        if (added_space_bottom.kind() != VSpace::NONE) {
-               file += added_space_bottom.asLatexCommand(current_view->buffer()->params);
+               os << added_space_bottom.asLatexCommand(current_view->buffer()->params);
                further_blank_line = true;
        }
       
        if (pagebreak_bottom) {
-               file += "\\newpage";
+               os << "\\newpage";
                further_blank_line = true;
        }
 
        if (further_blank_line){
-               file += '\n';
+               os << '\n';
                texrow.newline();
        }
 
-       if (!(footnoteflag != LyXParagraph::NO_FOOTNOTE && par &&
+       if (!spacing.isDefault()
+           && (!par || !par->HasSameLayout(this))) {
+               os << spacing.writeEnvirEnd() << "\n";
+               texrow.newline();
+       }
+       
+       // we don't need it for the last paragraph!!!
+       if (next && !(footnoteflag != LyXParagraph::NO_FOOTNOTE && par &&
               par->footnoteflag == LyXParagraph::NO_FOOTNOTE)) {
-               file += '\n';
+               os << '\n';
                texrow.newline();
        }
 
@@ -2065,12 +2184,12 @@ LyXParagraph * LyXParagraph::TeXOnePar(string & file, TexRow & texrow,
 
 
 // This one spits out the text of the paragraph
-bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
+bool LyXParagraph::SimpleTeXOnePar(ostream & os, TexRow & texrow)
 {
        lyxerr[Debug::LATEX] << "SimpleTeXOnePar...     " << this << endl;
 
        if (table)
-               return SimpleTeXOneTablePar(file, texrow);
+               return SimpleTeXOneTablePar(os, texrow);
 
        bool return_value = false;
 
@@ -2087,7 +2206,7 @@ bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
                main_body = BeginningOfMainBody();
 
        if (main_body > 0) {
-               file += '[';
+               os << '[';
                basefont = getFont(-2); // Get label font
        } else {
                basefont = getFont(-1); // Get layout font
@@ -2099,17 +2218,17 @@ bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
            && !text.size()
            && !IsDummy()) {
                if (style.isCommand()) {
-                       file += '{';
+                       os << '{';
                        ++column;
                } else if (align != LYX_ALIGN_LAYOUT) {
-                       file += '{';
+                       os << '{';
                        ++column;
                        return_value = true;
                }
        }
  
        // Which font is currently active?
-       LyXFont running_font = basefont;
+       LyXFont running_font(basefont);
        // Do we have an open font change?
        bool open_font = false;
 
@@ -2121,42 +2240,53 @@ bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
                if (i == main_body && !IsDummy()) {
                        if (main_body > 0) {
                                if (open_font) {
-                                       column += running_font.latexWriteEndChanges(file, basefont, basefont);
+                                       column += running_font.latexWriteEndChanges(os, basefont, basefont);
                                        open_font = false;
                                }
                                basefont = getFont(-1); // Now use the layout font
                                running_font = basefont;
-                               file += ']';
+                               os << ']';
                                ++column;
                        }
                        if (style.isCommand()) {
-                               file += '{';
+                               os << '{';
                                ++column;
                        } else if (align != LYX_ALIGN_LAYOUT) {
-                               file += "{\\par";
+                               os << "{\\par";
                                column += 4;
                                return_value = true;
                        }
 
                        if (noindent) {
-                               file += "\\noindent ";
+                               os << "\\noindent ";
                                column += 10;
                        }
                        switch (align) {
                        case LYX_ALIGN_NONE:
                        case LYX_ALIGN_BLOCK:
                        case LYX_ALIGN_LAYOUT:
-                       case LYX_ALIGN_SPECIAL: break;
+                       case LYX_ALIGN_SPECIAL:
+                               break;
                        case LYX_ALIGN_LEFT:
-                               file += "\\raggedright ";
-                               column+= 13;
+                               if (getParLanguage()->lang != "hebrew") {
+                                       os << "\\raggedright ";
+                                       column+= 13;
+                               } else {
+                                       os << "\\raggedleft ";
+                                       column+= 12;
+                               }
                                break;
                        case LYX_ALIGN_RIGHT:
-                               file += "\\raggedleft ";
-                               column+= 12;
+                               if (getParLanguage()->lang != "hebrew") {
+                                       os << "\\raggedleft ";
+                                       column+= 12;
+                               } else {
+                                       os << "\\raggedright ";
+                                       column+= 13;
+                               }
                                break;
                        case LYX_ALIGN_CENTER:
-                               file += "\\centering ";
+                               os << "\\centering ";
                                column+= 11;
                                break;
                        }        
@@ -2166,7 +2296,13 @@ bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
 
                // Fully instantiated font
                LyXFont font = getFont(i);
-               last_font = running_font;
+               LyXParagraph * p = 0;
+               if (i == 0 && previous && 
+                   previous->footnoteflag != LyXParagraph::NO_FOOTNOTE &&
+                   (p = PreviousBeforeFootnote()) != 0)
+                       last_font = p->getFont(p->size()-1);
+               else
+                       last_font = running_font;
 
                // Spaces at end of font change are simulated to be
                // outside font change, i.e. we write "\textXX{text} "
@@ -2178,7 +2314,7 @@ bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
                }
                // We end font definition before blanks
                if (!font.equalExceptLatex(running_font) && open_font) {
-                       column += running_font.latexWriteEndChanges(file,
+                       column += running_font.latexWriteEndChanges(os,
                                                                    basefont,
                                                                    (i == main_body-1) ? basefont : font);
                        running_font = basefont;
@@ -2189,7 +2325,7 @@ bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
                if (c == ' '){
                        // Do not print the separation of the optional argument
                        if (i != main_body - 1) {
-                               SimpleTeXBlanks(file, texrow, i,
+                               SimpleTeXBlanks(os, texrow, i,
                                                column, font, style);
                        }
                }
@@ -2197,7 +2333,8 @@ bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
                // Do we need to change font?
                if (!font.equalExceptLatex(running_font)
                    && i != main_body-1) {
-                       column += font.latexWriteStartChanges(file, basefont, last_font);
+                       column += font.latexWriteStartChanges(os, basefont,
+                                                             last_font);
                        running_font = font;
                        open_font = true;
                }
@@ -2207,25 +2344,25 @@ bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
                        // the default in SimpleTeXSpecialChars().
                        if (!style.newline_allowed
                            || font.latex() == LyXFont::ON) {
-                               file += '\n';
+                               os << '\n';
                        } else {
                                if (open_font) {
-                                       column += running_font.latexWriteEndChanges(file, basefont, basefont);
+                                       column += running_font.latexWriteEndChanges(os, basefont, basefont);
                                        open_font = false;
                                }
                                basefont = getFont(-1);
                                running_font = basefont;
                                if (font.family() == 
                                    LyXFont::TYPEWRITER_FAMILY) {
-                                       file += "~";
+                                       os << "~";
                                }
-                               file += "\\\\\n";
+                               os << "\\\\\n";
                        }
                        texrow.newline();
                        texrow.start(this, i + 1);
                        column = 0;
                } else {
-                       SimpleTeXSpecialChars(file, texrow,
+                       SimpleTeXSpecialChars(os, texrow,
                                              font, running_font, basefont,
                                              open_font, style, i, column, c);
                }
@@ -2233,12 +2370,18 @@ bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
 
        // If we have an open font definition, we have to close it
        if (open_font) {
-               running_font.latexWriteEndChanges(file, basefont, basefont);
+               LyXParagraph * p = 0;
+               if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE
+                   && (p =  NextAfterFootnote()) != 0)
+                       running_font.latexWriteEndChanges(os, basefont,
+                                                         p->getFont(0));
+               else
+                       running_font.latexWriteEndChanges(os, basefont, basefont);
        }
 
        // Needed if there is an optional argument but no contents.
        if (main_body > 0 && main_body == size()) {
-               file += "]~";
+               os << "]~";
                return_value = false;
        }
 
@@ -2248,7 +2391,7 @@ bool LyXParagraph::SimpleTeXOnePar(string & file, TexRow & texrow)
 
 
 // This one spits out the text of a table paragraph
-bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
+bool LyXParagraph::SimpleTeXOneTablePar(ostream & os, TexRow & texrow)
 {
        lyxerr[Debug::LATEX] << "SimpleTeXOneTablePar...     " << this << endl;
    
@@ -2261,15 +2404,15 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
        int column = 0;
        if (!IsDummy()) { // it is dummy if it is in a float!!!
                if (style.isCommand()) {
-                       file += '{';
+                       os << '{';
                        ++column;
                } else if (align != LYX_ALIGN_LAYOUT) {
-                       file += '{';
+                       os << '{';
                        ++column;
                        return_value = true;
                }
                if (noindent) {
-                       file += "\\noindent ";
+                       os << "\\noindent ";
                        column += 10;
                }
                switch (align) {
@@ -2278,15 +2421,15 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
                case LYX_ALIGN_LAYOUT:
                case LYX_ALIGN_SPECIAL: break;
                case LYX_ALIGN_LEFT:
-                       file += "\\raggedright ";
+                       os << "\\raggedright ";
                        column+= 13;
                        break;
                case LYX_ALIGN_RIGHT:
-                       file += "\\raggedleft ";
+                       os << "\\raggedleft ";
                        column+= 12;
                        break;
                case LYX_ALIGN_CENTER:
-                       file += "\\centering ";
+                       os << "\\centering ";
                        column+= 11;
                        break;
                }
@@ -2299,12 +2442,15 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
        // Do we have an open font change?
        bool open_font = false;
        int current_cell_number = -1;
-       int tmp = table->TexEndOfCell(file, current_cell_number);
+       int tmp = table->TexEndOfCell(os, current_cell_number);
        for (; tmp > 0 ; --tmp)
                texrow.newline();
        
        texrow.start(this, 0);
 
+       bool is_rtl = getParLanguage()->RightToLeft;
+       bool first_in_cell = true;
+               
        for (size_type i = 0; i < size(); ++i) {
                char c = GetChar(i);
                if (table->IsContRow(current_cell_number + 1)) {
@@ -2313,7 +2459,13 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
                        continue;
                }
                ++column;
-               
+
+               if (first_in_cell && is_rtl) {
+                       os << "\\R{";
+                       column += 3;
+                       first_in_cell = false;
+               }
+
                // Fully instantiated font
                LyXFont font = getFont(i);
                last_font = running_font;
@@ -2323,24 +2475,27 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
                // i.e. we write "\textXX{text} " rather than
                // "\textXX{text }". (Asger)
                if (open_font && c == ' ' && i <= size() - 2
-                   && getFont(i+1) != running_font && getFont(i+1) != font) {
-                       font = getFont(i+1);
+                   && getFont(i + 1) != running_font
+                   && getFont(i + 1) != font) {
+                       font = getFont(i + 1);
                }
 
                // We end font definition before blanks
                if (font != running_font && open_font) {
-                       column += running_font.latexWriteEndChanges(file,
-                                                                   basefont, font);
+                       column += running_font.latexWriteEndChanges(os,
+                                                                   basefont,
+                                                                   font);
                        running_font = basefont;
                        open_font = false;
                }
                // Blanks are printed before start of fontswitch
                if (c == ' '){
-                       SimpleTeXBlanks(file, texrow, i, column, font, style);
+                       SimpleTeXBlanks(os, texrow, i, column, font, style);
                }
                // Do we need to change font?
                if (font != running_font) {
-                       column += font.latexWriteStartChanges(file, basefont, last_font);
+                       column += font.latexWriteStartChanges(os, basefont,
+                                                             last_font);
                        running_font = font;
                        open_font = true;
                }
@@ -2348,7 +2503,7 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
                if (font.latex() != running_font.latex()) {
                        if (font.latex() == LyXFont::ON
                            && style.needprotect) {
-                               file += "\\protect ";
+                               os << "\\protect ";
                                column += 9;
                        }
                }
@@ -2358,17 +2513,23 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
                        // SimpleTeXSpecialChars()
                        if (open_font) {
                                column += running_font
-                                       .latexWriteEndChanges(file, basefont, basefont);
+                                       .latexWriteEndChanges(os, basefont,
+                                                             basefont);
                                open_font = false;
                        }
                        basefont = getFont(-1);
                        running_font = basefont;
                        ++current_cell_number;
                        if (table->CellHasContRow(current_cell_number) >= 0) {
-                               TeXContTableRows(file, i + 1,
+                               TeXContTableRows(os, i + 1,
                                                 current_cell_number,
                                                 column, texrow);
                        }
+                       if (is_rtl && !first_in_cell) {
+                               os << "}";
+                               first_in_cell = true;
+                       }
+
                        // if this cell follow only ContRows till end don't
                        // put the EndOfCell because it is put after the
                        // for(...)
@@ -2376,7 +2537,7 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
                                --current_cell_number;
                                break;
                        }
-                       int tmp = table->TexEndOfCell(file,
+                       int tmp = table->TexEndOfCell(os,
                                                      current_cell_number);
                        if (tmp > 0) {
                                column = 0;
@@ -2388,7 +2549,7 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
                        }
                        texrow.start(this, i + 1);
                } else {
-                       SimpleTeXSpecialChars(file, texrow,
+                       SimpleTeXSpecialChars(os, texrow,
                                              font, running_font, basefont,
                                              open_font, style, i, column, c);
                }
@@ -2396,10 +2557,12 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
 
        // If we have an open font definition, we have to close it
        if (open_font) {
-               running_font.latexWriteEndChanges(file, basefont, basefont);
+               running_font.latexWriteEndChanges(os, basefont, basefont);
        }
        ++current_cell_number;
-       tmp = table->TexEndOfCell(file, current_cell_number);
+       if (is_rtl && !first_in_cell)
+               os << "}";
+       tmp = table->TexEndOfCell(os, current_cell_number);
        for (; tmp > 0; --tmp)
                texrow.newline();
        lyxerr[Debug::LATEX] << "SimpleTeXOneTablePar...done " << this << endl;
@@ -2408,7 +2571,7 @@ bool LyXParagraph::SimpleTeXOneTablePar(string & file, TexRow & texrow)
 
 
 // This one spits out the text off ContRows in tables
-bool LyXParagraph::TeXContTableRows(string & file,
+bool LyXParagraph::TeXContTableRows(ostream & os,
                                    LyXParagraph::size_type i,
                                    int current_cell_number,
                                    int & column, TexRow & texrow)
@@ -2444,11 +2607,11 @@ bool LyXParagraph::TeXContTableRows(string & file,
                lastpos = i;
                c = GetChar(i);
                if (table->Linebreaks(table->FirstVirtualCell(cell))) {
-                       file += " \\\\\n";
+                       os << " \\\\\n";
                        texrow.newline();
                        column = 0;
                } else if ((c != ' ') && (c != LyXParagraph::META_NEWLINE)) {
-                       file += ' ';
+                       os << ' ';
                }
 
                for (; i < size()
@@ -2472,39 +2635,40 @@ bool LyXParagraph::TeXContTableRows(string & file,
 
                        // We end font definition before blanks
                        if (font != running_font && open_font) {
-                               column += running_font.latexWriteEndChanges(file, basefont, font);
+                               column += running_font.latexWriteEndChanges(os, basefont, font);
                                running_font = basefont;
                                open_font = false;
                        }
                        // Blanks are printed before start of fontswitch
                        if (c == ' '){
-                               SimpleTeXBlanks(file, texrow, i,
+                               SimpleTeXBlanks(os, texrow, i,
                                                column, font, style);
                        }
                        // Do we need to change font?
                        if (font != running_font) {
                                column +=
-                                       font.latexWriteStartChanges(file,
-                                                                   basefont, last_font);
+                                       font.latexWriteStartChanges(os,
+                                                                   basefont,
+                                                                   last_font);
                                running_font = font;
                                open_font = true;
                        }
                        // Do we need to turn on LaTeX mode?
                        if (font.latex() != running_font.latex()) {
                                if (font.latex() == LyXFont::ON
-                                   && style.needprotect)
-                                       {
-                                               file += "\\protect ";
-                                               column += 9;
-                                       }
+                                   && style.needprotect) {
+                                       os << "\\protect ";
+                                       column += 9;
+                               }
                        }
-                       SimpleTeXSpecialChars(file, texrow, font,
+                       SimpleTeXSpecialChars(os, texrow, font,
                                              running_font, basefont,
                                              open_font, style, i, column, c);
                }
                // If we have an open font definition, we have to close it
                if (open_font) {
-                       running_font.latexWriteEndChanges(file, basefont, basefont);
+                       running_font.latexWriteEndChanges(os, basefont,
+                                                         basefont);
                        open_font = false;
                }
                basefont = getFont(-1);
@@ -2521,13 +2685,8 @@ bool LyXParagraph::linuxDocConvertChar(char c, string & sgml_string)
        bool retval = false;
        switch (c) {
        case LyXParagraph::META_HFILL:
-               sgml_string.clear();
-               break;
-#if 0
-       case LyXParagraph::META_PROTECTED_SEPARATOR: 
-               sgml_string = ' ';
+               sgml_string.erase();
                break;
-#endif
        case LyXParagraph::META_NEWLINE:
                sgml_string = '\n';
                break;
@@ -2575,7 +2734,7 @@ bool LyXParagraph::linuxDocConvertChar(char c, string & sgml_string)
                sgml_string = ' ';
                break;
        case '\0': // Ignore :-)
-               sgml_string.clear();
+               sgml_string.erase();
                break;
        default:
                sgml_string = c;
@@ -2585,7 +2744,7 @@ bool LyXParagraph::linuxDocConvertChar(char c, string & sgml_string)
 }
 
 
-void LyXParagraph::SimpleDocBookOneTablePar(string & file, string & extra,
+void LyXParagraph::SimpleDocBookOneTablePar(ostream & os, string & extra,
                                            int & desc_on, int depth) 
 {
        if (!table) return;
@@ -2595,7 +2754,6 @@ void LyXParagraph::SimpleDocBookOneTablePar(string & file, string & extra,
        char c;
        Inset * inset;
        size_type main_body;
-       string emph = "emphasis";
        bool emph_flag = false;
        
        LyXLayout const & style =
@@ -2614,13 +2772,13 @@ void LyXParagraph::SimpleDocBookOneTablePar(string & file, string & extra,
                font1 = style.font;
        
        int char_line_count = depth;
-       addNewlineAndDepth(file, depth);
+       os << newlineAndDepth(depth);
        if (footnoteflag == LyXParagraph::NO_FOOTNOTE) {
-               file += "<INFORMALTABLE>";
-               addNewlineAndDepth(file, ++depth);
+               os << "<INFORMALTABLE>"
+                  << newlineAndDepth(++depth);
        }
        int current_cell_number = -1;
-       int tmp = table->DocBookEndOfCell(file, current_cell_number, depth);
+       int tmp = table->DocBookEndOfCell(os, current_cell_number, depth);
        
        // Parsing main loop.
        for (size_type i = 0; i < size(); ++i) {
@@ -2638,23 +2796,23 @@ void LyXParagraph::SimpleDocBookOneTablePar(string & file, string & extra,
                // Handle <emphasis> tag.
                if (font1.emph() != font2.emph() && i) {
                        if (font2.emph() == LyXFont::ON) {
-                               file += "<emphasis>";
+                               os << "<emphasis>";
                                emph_flag= true;
                        } else if (emph_flag) {
-                               file += "</emphasis>";
+                               os << "</emphasis>";
                                emph_flag= false;
                        }
                }
                if (c == LyXParagraph::META_NEWLINE) {
                        // We have only to control for emphasis open here!
                        if (emph_flag) {
-                               file += "</emphasis>";
+                               os << "</emphasis>";
                                emph_flag= false;
                        }
                        font1 = font2 = getFont(-1);
                        ++current_cell_number;
                        if (table->CellHasContRow(current_cell_number) >= 0) {
-                               DocBookContTableRows(file, extra, desc_on, i+1,
+                               DocBookContTableRows(os, extra, desc_on, i + 1,
                                                     current_cell_number,
                                                     column);
                        }
@@ -2665,7 +2823,7 @@ void LyXParagraph::SimpleDocBookOneTablePar(string & file, string & extra,
                                --current_cell_number;
                                break;
                        }
-                       tmp = table->DocBookEndOfCell(file,
+                       tmp = table->DocBookEndOfCell(os,
                                                      current_cell_number,
                                                      depth);
                        
@@ -2673,8 +2831,18 @@ void LyXParagraph::SimpleDocBookOneTablePar(string & file, string & extra,
                                column = 0;
                } else if (c == LyXParagraph::META_INSET) {
                        inset = GetInset(i);
-                       string tmp_out;
-                       inset->DocBook(tmp_out);
+#ifdef HAVE_SSTREAM
+                       std::ostringstream ost;
+                       inset->DocBook(ost);
+                       string tmp_out = ost.str().c_str();
+#else
+                       ostrstream ost;
+                       inset->DocBook(ost);
+                       ost << '\0';
+                       char * ctmp = ost.str();
+                       string tmp_out(ctmp);
+                       delete [] ctmp;
+#endif
                        //
                        // This code needs some explanation:
                        // Two insets are treated specially
@@ -2694,15 +2862,15 @@ void LyXParagraph::SimpleDocBookOneTablePar(string & file, string & extra,
                                                extra += frontStrip(tmp_out,
                                                                    '@');
                                        else
-                                               file += frontStrip(tmp_out,
-                                                                  '@');
+                                               os << frontStrip(tmp_out,
+                                                                '@');
                                } else
-                                       file += tmp_out;
+                                       os << tmp_out;
                        }
                } else if (font2.latex() == LyXFont::ON) {
                        // "TeX"-Mode on == > SGML-Mode on.
                        if (c != '\0')
-                               file += c;
+                               os << c;
                        ++char_line_count;
                } else {
                        string sgml_string;
@@ -2713,14 +2881,14 @@ void LyXParagraph::SimpleDocBookOneTablePar(string & file, string & extra,
                                // char is ' '
                                if (desc_on == 1) {
                                        ++char_line_count;
-                                       file += '\n';
-                                       file += "</term><listitem><para>";
+                                       os << '\n'
+                                          << "</term><listitem><para>";
                                        desc_on = 2;
                                } else  {
-                                       file += c;
+                                       os << c;
                                }
                        } else {
-                               file += sgml_string;
+                               os << sgml_string;
                        }
                }
                font1 = font2;
@@ -2732,27 +2900,27 @@ void LyXParagraph::SimpleDocBookOneTablePar(string & file, string & extra,
        }
 
        if (emph_flag) {
-               file += "</emphasis>";
+               os << "</emphasis>";
        }
        
        ++current_cell_number;
-       tmp = table->DocBookEndOfCell(file, current_cell_number, depth);
+       tmp = table->DocBookEndOfCell(os, current_cell_number, depth);
        // Resets description flag correctly.
        switch(desc_on){
        case 1:
                // <term> not closed...
-               file += "</term>";
+               os << "</term>";
                break;
        }
        if (footnoteflag == LyXParagraph::NO_FOOTNOTE)
-               file += "</INFORMALTABLE>";
-       file += '\n';
+               os << "</INFORMALTABLE>";
+       os << '\n';
        lyxerr[Debug::LATEX] << "SimpleDocbookOneTablePar...done "
                             << this << endl;
 }
 
 
-void LyXParagraph::DocBookContTableRows(string & file, string & extra,
+void LyXParagraph::DocBookContTableRows(ostream & os, string & extra,
                                         int & desc_on,
                                        LyXParagraph::size_type i,
                                         int current_cell_number, int &column) 
@@ -2765,9 +2933,9 @@ void LyXParagraph::DocBookContTableRows(string & file, string & extra,
        LyXFont font2;
        char c;
        Inset * inset;
-       string emph= "emphasis";
-       bool emph_flag= false;
-       int char_line_count= 0;
+       //string emph = "emphasis";
+       bool emph_flag = false;
+       int char_line_count = 0;
        
        LyXLayout const & style =
                textclasslist.Style(current_view->buffer()->params.textclass,
@@ -2806,7 +2974,7 @@ void LyXParagraph::DocBookContTableRows(string & file, string & extra,
 //                     column = 0;
 //             } else
                if ((c != ' ') && (c != LyXParagraph::META_NEWLINE)) {
-                       file += ' ';
+                       os << ' ';
                }
 
                for (; i < size()
@@ -2820,17 +2988,27 @@ void LyXParagraph::DocBookContTableRows(string & file, string & extra,
                        // Handle <emphasis> tag.
                        if (font1.emph() != font2.emph() && i) {
                                if (font2.emph() == LyXFont::ON) {
-                                       file += "<emphasis>";
+                                       os << "<emphasis>";
                                        emph_flag= true;
                                } else if (emph_flag) {
-                                       file += "</emphasis>";
+                                       os << "</emphasis>";
                                        emph_flag= false;
                                }
                        }
                        if (c == LyXParagraph::META_INSET) {
                                inset = GetInset(i);
-                               string tmp_out;
-                               inset->DocBook(tmp_out);
+#ifdef HAVE_SSTREAM
+                               std::ostringstream ost;
+                               inset->DocBook(ost);
+                               string tmp_out = ost.str().c_str();
+#else
+                               ostrstream ost;
+                               inset->DocBook(ost);
+                               ost << '\0';
+                               char * ctmp = ost.str();
+                               string tmp_out(ctmp);
+                               delete [] ctmp;
+#endif
                                //
                                // This code needs some explanation:
                                // Two insets are treated specially
@@ -2848,14 +3026,14 @@ void LyXParagraph::DocBookContTableRows(string & file, string & extra,
                                                if(desc_on == 4)
                                                        extra += frontStrip(tmp_out, '@');
                                                else
-                                                       file += frontStrip(tmp_out, '@');
+                                                       os << frontStrip(tmp_out, '@');
                                        } else
-                                               file += tmp_out;
+                                               os << tmp_out;
                                }
                        } else if (font2.latex() == LyXFont::ON) {
                                // "TeX"-Mode on == > SGML-Mode on.
                                if (c!= '\0')
-                                       file += c;
+                                       os << c;
                                ++char_line_count;
                        } else {
                                string sgml_string;
@@ -2866,20 +3044,20 @@ void LyXParagraph::DocBookContTableRows(string & file, string & extra,
                                        // char is ' '
                                        if (desc_on == 1) {
                                                ++char_line_count;
-                                               file += '\n';
-                                               file += "</term><listitem><para>";
+                                               os << '\n'
+                                                  << "</term><listitem><para>";
                                                desc_on = 2;
                                        } else  {
-                                               file += c;
+                                               os << c;
                                        }
                                } else {
-                                       file += sgml_string;
+                                       os << sgml_string;
                                }
                        }
                }
                // we have only to control for emphasis open here!
                if (emph_flag) {
-                       file += "</emphasis>";
+                       os << "</emphasis>";
                        emph_flag= false;
                }
                font1 = font2 = getFont(-1);
@@ -2889,7 +3067,7 @@ void LyXParagraph::DocBookContTableRows(string & file, string & extra,
 }
 
 
-void LyXParagraph::SimpleTeXBlanks(string & file, TexRow & texrow,
+void LyXParagraph::SimpleTeXBlanks(ostream & os, TexRow & texrow,
                                   LyXParagraph::size_type const i,
                                   int & column, LyXFont const & font,
                                   LyXLayout const & style)
@@ -2914,24 +3092,24 @@ void LyXParagraph::SimpleTeXBlanks(string & file, TexRow & texrow,
                if (tex_code_break_column == 0) {
                        // in batchmode we need LaTeX to still
                        // see it as a space not as an extra '\n'
-                       file += " %\n";
+                       os << " %\n";
                } else {
-                       file += '\n';
+                       os << '\n';
                }
                texrow.newline();
-               texrow.start(this, i+1);
+               texrow.start(this, i + 1);
                column = 0;
        } else if (font.latex() == LyXFont::OFF) {
                if (style.free_spacing) {
-                       file += '~';
+                       os << '~';
                } else {
-                       file += ' ';
+                       os << ' ';
                }
        }
 }
 
 
-void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
+void LyXParagraph::SimpleTeXSpecialChars(ostream & os, TexRow & texrow,
                                         LyXFont & font,
                                         LyXFont & running_font,
                                         LyXFont & basefont,
@@ -2948,38 +3126,25 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
                Inset * inset = GetInset(i);
                if (inset) {
                        bool close = false;
-                       int len = file.length();
+                       int len = os.tellp();
                        if ((inset->LyxCode() == Inset::GRAPHICS_CODE
                             || inset->LyxCode() == Inset::MATH_CODE
                             || inset->LyxCode() == Inset::URL_CODE)
-                           && running_font.getFontDirection()
-                           == LYX_DIR_RIGHT_TO_LEFT) {
-                               file += "\\L{";
+                           && running_font.isRightToLeft()) {
+                               os << "\\L{";
                                close = true;
                        }
-#ifdef USE_OSTREAM_ONLY
-#ifdef HAVE_SSTREAM
-                       ostringstream ost;
-                       int tmp = inset->Latex(ost, style.isCommand());
-                       file += ost.str().c_str();
-#else
-                       ostrstream ost;
-                       int tmp = inset->Latex(ost, style.isCommand());
-                       ost << '\0';
-                       char * chtmp = ost.str();
-                       file += chtmp;
-                       delete [] chtmp;
-#endif         
-#else
-                       int tmp = inset->Latex(file, style.isCommand());
-#endif
+
+                       int tmp = inset->Latex(os, style.isCommand(),
+                                              style.free_spacing);
+
                        if (close)
-                               file += "}";
-                       
+                               os << "}";
+
                        if (tmp) {
                                column = 0;
                        } else {
-                               column += file.length() - len;
+                               column += os.tellp() - len;
                        }
                        for (; tmp--;) {
                                texrow.newline();
@@ -2990,8 +3155,9 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
 
        case LyXParagraph::META_NEWLINE:
                if (open_font) {
-                       column += running_font.latexWriteEndChanges(file,
-                                                                   basefont, basefont);
+                       column += running_font.latexWriteEndChanges(os,
+                                                                   basefont,
+                                                                   basefont);
                        open_font = false;
                }
                basefont = getFont(-1);
@@ -2999,7 +3165,7 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
                break;
 
        case LyXParagraph::META_HFILL: 
-               file += "\\hfill{}";
+               os << "\\hfill{}";
                column += 7;
                break;
 
@@ -3011,11 +3177,6 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
                        // but I'll leave it as a switch statement
                        // so its simpler to extend. (ARRae)
                        switch (c) {
-#if 0
-                       case LyXParagraph::META_PROTECTED_SEPARATOR: 
-                               file += ' ';
-                               break;
-#endif
                        default:
                                // make sure that we will not print
                                // error generating chars to the tex
@@ -3023,20 +3184,15 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
                                // if it were done in the buffer
                                // itself.
                                if (c != '\0') {
-                                       file += c;
+                                       os << c;
                                }
                                break;
                        }
                } else {
                        // Plain mode (i.e. not LaTeX)
                        switch (c) {
-#if 0
-                       case LyXParagraph::META_PROTECTED_SEPARATOR: 
-                               file += '~';
-                               break;
-#endif
                        case '\\': 
-                               file += "\\textbackslash{}";
+                               os << "\\textbackslash{}";
                                column += 15;
                                break;
                
@@ -3044,46 +3200,46 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
                        case '×': case '÷': case '¹': case 'ª':
                        case 'º': case '¬': case 'µ':
                                if (current_view->buffer()->params.inputenc == "latin1") {
-                                       file += "\\ensuremath{";
-                                       file += c;
-                                       file += '}';
+                                       os << "\\ensuremath{"
+                                          << c
+                                          << '}';
                                        column += 13;
                                } else {
-                                       file += c;
+                                       os << c;
                                }
                                break;
 
                        case '|': case '<': case '>':
                                // In T1 encoding, these characters exist
-                               if (lyxrc->fontenc == "T1") {
-                                       file += c;
+                               if (lyxrc.fontenc == "T1") {
+                                       os << c;
                                        //... but we should avoid ligatures
                                        if ((c == '>' || c == '<')
                                            && i <= size() - 2
-                                           && GetChar(i+1) == c){
-                                               file += "\\textcompwordmark{}";
+                                           && GetChar(i + 1) == c){
+                                               os << "\\textcompwordmark{}";
                                                column += 19;
                                        }
                                        break;
                                }
                                // Typewriter font also has them
                                if (font.family() == LyXFont::TYPEWRITER_FAMILY) {
-                                       file += c;
+                                       os << c;
                                        break;
                                } 
                                // Otherwise, we use what LaTeX
                                // provides us.
                                switch(c) {
                                case '<':
-                                       file += "\\textless{}";
+                                       os << "\\textless{}";
                                        column += 10;
                                        break;
                                case '>':
-                                       file += "\\textgreater{}";
+                                       os << "\\textgreater{}";
                                        column += 13;
                                        break;
                                case '|':
-                                       file += "\\textbar{}";
+                                       os << "\\textbar{}";
                                        column += 9;
                                        break;
                                }
@@ -3093,50 +3249,47 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
                                if (i <= size() - 2
                                    && GetChar(i + 1) == '-'
                                    && font.family() == LyXFont::TYPEWRITER_FAMILY) {
-                                       file += "-{}";
+                                       os << "-{}";
                                        column += 2;
                                } else {
-                                       file += '-';
+                                       os << '-';
                                }
                                break;
 
                        case '\"': 
-                               file += "\\char`\\\"{}";
+                               os << "\\char`\\\"{}";
                                column += 9;
                                break;
 
                        case '£':
                                if (current_view->buffer()->params.inputenc == "default") {
-                                       file += "\\pounds{}";
+                                       os << "\\pounds{}";
                                        column += 8;
                                } else {
-                                       file += c;
+                                       os << c;
                                }
                                break;
 
                        case '$': case '&':
                        case '%': case '#': case '{':
                        case '}': case '_':
-                               file += '\\';
-                               file += c;
+                               os << '\\' << c;
                                column += 1;
                                break;
 
                        case '~':
-                               file += "\\textasciitilde{}";
+                               os << "\\textasciitilde{}";
                                column += 16;
                                break;
 
                        case '^':
-                               file += "\\textasciicircum{}";
+                               os << "\\textasciicircum{}";
                                column += 17;
                                break;
 
                        case '*': case '[': case ']':
                                // avoid being mistaken for optional arguments
-                               file += '{';
-                               file += c;
-                               file += '}';
+                               os << '{' << c << '}';
                                column += 2;
                                break;
 
@@ -3156,7 +3309,7 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
                                    && font.family() != LyXFont::TYPEWRITER_FAMILY
                                    && GetChar(i + 1) == 'y'
                                    && GetChar(i + 2) == 'X') {
-                                       file += "\\LyX{}";
+                                       os << "\\LyX{}";
                                        i += 2;
                                        column += 5;
                                }
@@ -3166,7 +3319,7 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
                                         && font.family() != LyXFont::TYPEWRITER_FAMILY
                                         && GetChar(i + 1) == 'e'
                                         && GetChar(i + 2) == 'X') {
-                                       file += "\\TeX{}";
+                                       os << "\\TeX{}";
                                        i += 2;
                                        column += 5;
                                }
@@ -3180,7 +3333,7 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
                                         && GetChar(i + 4) == 'X'
                                         && GetChar(i + 5) == '2'
                                         && GetChar(i + 6) == 'e') {
-                                       file += "\\LaTeXe{}";
+                                       os << "\\LaTeXe{}";
                                        i += 6;
                                        column += 8;
                                }
@@ -3192,12 +3345,12 @@ void LyXParagraph::SimpleTeXSpecialChars(string & file, TexRow & texrow,
                                         && GetChar(i + 2) == 'T'
                                         && GetChar(i + 3) == 'e'
                                         && GetChar(i + 4) == 'X') {
-                                       file += "\\LaTeX{}";
+                                       os << "\\LaTeX{}";
                                        i += 4;
                                        column += 7;
                                        /* idea for labels --- end*/ 
                                } else if (c != '\0') {
-                                       file += c;
+                                       os << c;
                                }
                                break;
                        }
@@ -3247,10 +3400,9 @@ bool LyXParagraph::RoffContTableRows(ostream & os,
                        switch (c) {
                        case LyXParagraph::META_INSET:
                                if ((inset = GetInset(i))) {
-#if 1
 #ifdef HAVE_SSTREAM
                                        stringstream ss(ios::in | ios::out);
-                                       inset->Latex(ss, -1);
+                                       inset->Ascii(ss);
                                        ss.seekp(0);
                                        ss.get(c);
                                        while (!ss) {
@@ -3262,7 +3414,7 @@ bool LyXParagraph::RoffContTableRows(ostream & os,
                                        }
 #else
                                        strstream ss;
-                                       inset->Latex(ss, -1);
+                                       inset->Ascii(ss);
                                        ss.seekp(0);
                                        ss.get(c);
                                        while (!ss) {
@@ -3273,27 +3425,6 @@ bool LyXParagraph::RoffContTableRows(ostream & os,
                                                ss.get(c);
                                        }
                                        delete [] ss.str();
-#endif
-#else
-                                       fstream fs(fname2.c_str(),
-                                                  ios::in|ios::out);
-                                       if (!fs) {
-                                               WriteAlert(_("LYX_ERROR:"),
-                                                          _("Cannot open temporary file:"),
-                                                          fname2);
-                                               return false;
-                                       }
-                                       inset->Latex(fs, -1);
-                                       fs.seekp(0);
-                                       fs.get(c);
-                                       while (!fs) {
-                                               if (c == '\\')
-                                                       os << "\\\\";
-                                               else
-                                                       os << c;
-                                               fs.get(c);
-                                       }
-                                       fs.close();
 #endif
                                }
                                break;
@@ -3301,10 +3432,6 @@ bool LyXParagraph::RoffContTableRows(ostream & os,
                                break;
                        case LyXParagraph::META_HFILL: 
                                break;
-#if 0
-                       case LyXParagraph::META_PROTECTED_SEPARATOR:
-                               break;
-#endif
                        case '\\': 
                                os << "\\\\";
                                break;
@@ -3325,28 +3452,30 @@ bool LyXParagraph::RoffContTableRows(ostream & os,
 #endif
 
 
-LyXParagraph * LyXParagraph::TeXDeeper(string & file, TexRow & texrow,
-                                      string & foot, TexRow & foot_texrow,
+LyXParagraph * LyXParagraph::TeXDeeper(ostream & os, TexRow & texrow,
+                                      ostream & foot,
+                                      TexRow & foot_texrow,
                                       int & foot_count)
 {
        lyxerr[Debug::LATEX] << "TeXDeeper...     " << this << endl;
        LyXParagraph * par = this;
 
-       while (par && par->depth == depth) {
+       while (par &&
+              (par->depth == depth) &&
+              (par->footnoteflag == footnoteflag)) {
                if (par->IsDummy())
                        lyxerr << "ERROR (LyXParagraph::TeXDeeper)" << endl;
                if (textclasslist.Style(current_view->buffer()->params.textclass, 
                                        par->layout).isEnvironment()
-                   || par->pextra_type != PEXTRA_NONE) 
-                       {
-                               par = par->TeXEnvironment(file, texrow,
-                                                         foot, foot_texrow,
-                                                         foot_count);
-                       } else {
-                               par = par->TeXOnePar(file, texrow,
-                                                    foot, foot_texrow,
-                                                    foot_count);
-                       }
+                   || par->pextra_type != PEXTRA_NONE) {
+                       par = par->TeXEnvironment(os, texrow,
+                                                 foot, foot_texrow,
+                                                 foot_count);
+               } else {
+                       par = par->TeXOnePar(os, texrow,
+                                            foot, foot_texrow,
+                                            foot_count);
+               }
        }
        lyxerr[Debug::LATEX] << "TeXDeeper...done " << par << endl;
 
@@ -3354,8 +3483,8 @@ LyXParagraph * LyXParagraph::TeXDeeper(string & file, TexRow & texrow,
 }
 
 
-LyXParagraph * LyXParagraph::TeXEnvironment(string & file, TexRow & texrow,
-                                           string & foot,
+LyXParagraph * LyXParagraph::TeXEnvironment(ostream & os, TexRow & texrow,
+                                           ostream & foot,
                                            TexRow & foot_texrow,
                                            int & foot_count)
 {
@@ -3376,27 +3505,27 @@ LyXParagraph * LyXParagraph::TeXEnvironment(string & file, TexRow & texrow,
        
        if (pextra_type == PEXTRA_INDENT) {
                if (!pextra_width.empty()) {
-                       file += "\\begin{LyXParagraphIndent}{"
-                               + pextra_width + "}\n";
+                       os << "\\begin{LyXParagraphIndent}{"
+                          << pextra_width << "}\n";
                } else {
                        //float ib = atof(pextra_widthp.c_str())/100;
                        // string can't handle floats at present (971109)
                        // so I'll do a conversion by hand knowing that
                        // the limits are 0.0 to 1.0. ARRae.
-                       file += "\\begin{LyXParagraphIndent}{";
+                       os << "\\begin{LyXParagraphIndent}{";
                        switch (pextra_widthp.length()) {
                        case 3:
-                               file += "1.00";
+                               os << "1.00";
                                break;
                        case 2:
-                               file += "0.";
-                               file += pextra_widthp;
+                               os << "0."
+                                  << pextra_widthp;
                                break;
                        case 1:
-                               file += "0.0";
-                               file += pextra_widthp;
+                               os << "0.0"
+                                  << pextra_widthp;
                        }
-                       file += "\\columnwidth}\n";
+                       os << "\\columnwidth}\n";
                }
                texrow.newline();
                eindent_open = true;
@@ -3404,51 +3533,50 @@ LyXParagraph * LyXParagraph::TeXEnvironment(string & file, TexRow & texrow,
        if ((pextra_type == PEXTRA_MINIPAGE) && !minipage_open) {
                if (pextra_hfill && Previous() &&
                    (Previous()->pextra_type == PEXTRA_MINIPAGE)) {
-                       file += "\\hfill{}\n";
+                       os << "\\hfill{}\n";
                        texrow.newline();
                }
                if (par_sep == BufferParams::PARSEP_INDENT) {
-                       file += "{\\setlength\\parindent{0pt}\n";
+                       os << "{\\setlength\\parindent{0pt}\n";
                        texrow.newline();
                }
-               file += "\\begin{minipage}";
+               os << "\\begin{minipage}";
                switch(pextra_alignment) {
                case MINIPAGE_ALIGN_TOP:
-                       file += "[t]";
+                       os << "[t]";
                        break;
                case MINIPAGE_ALIGN_MIDDLE:
-                       file += "[m]";
+                       os << "[m]";
                        break;
                case MINIPAGE_ALIGN_BOTTOM:
-                       file += "[b]";
+                       os << "[b]";
                        break;
                }
                if (!pextra_width.empty()) {
-                       file += '{';
-                       file += pextra_width + "}\n";
+                       os << '{' << pextra_width << "}\n";
                } else {
                        //float ib = atof(par->pextra_width.c_str())/100;
                        // string can't handle floats at present
                        // so I'll do a conversion by hand knowing that
                        // the limits are 0.0 to 1.0. ARRae.
-                       file += '{';
+                       os << '{';
                        switch (pextra_widthp.length()) {
                        case 3:
-                               file += "1.00";
+                               os << "1.00";
                                break;
                        case 2:
-                               file += "0.";
-                               file += pextra_widthp;
+                               os << "0."
+                                  << pextra_widthp;
                                break;
                        case 1:
-                               file += "0.0";
-                               file += pextra_widthp;
+                               os << "0.0"
+                                  << pextra_widthp;
                        }
-                       file += "\\columnwidth}\n";
+                       os << "\\columnwidth}\n";
                }
                texrow.newline();
                if (par_sep == BufferParams::PARSEP_INDENT) {
-                       file += "\\setlength\\parindent{\\LyXMinipageIndent}\n";
+                       os << "\\setlength\\parindent{\\LyXMinipageIndent}\n";
                        texrow.newline();
                }
                minipage_open = true;
@@ -3470,13 +3598,13 @@ LyXParagraph * LyXParagraph::TeXEnvironment(string & file, TexRow & texrow,
                                foot_this_level = true;
                        }
 #endif
-                       file += "\\begin{" + style.latexname() + "}{"
-                               + labelwidthstring + "}\n";
+                       os << "\\begin{" << style.latexname() << "}{"
+                          << labelwidthstring << "}\n";
                } else if (style.labeltype == LABEL_BIBLIO) {
                        // ale970405
-                       file += "\\begin{" + style.latexname() + "}{"
-                               + bibitemWidthest(current_view->painter())
-                               + "}\n";
+                       os << "\\begin{" << style.latexname() << "}{"
+                          << bibitemWidthest(current_view->painter())
+                          << "}\n";
                } else if (style.latextype == LATEX_ITEM_ENVIRONMENT) {
 #ifdef FANCY_FOOTNOTE_CODE
                        if (foot_count < 0) {
@@ -3486,25 +3614,25 @@ LyXParagraph * LyXParagraph::TeXEnvironment(string & file, TexRow & texrow,
                                foot_this_level = true;
                        }
 #endif
-                       file += "\\begin{" + style.latexname() + '}'
-                               + style.latexparam() + '\n';
+                       os << "\\begin{" << style.latexname() << '}'
+                          << style.latexparam() << '\n';
                } else 
-                       file += "\\begin{" + style.latexname() + '}'
-                               + style.latexparam() + '\n';
+                       os << "\\begin{" << style.latexname() << '}'
+                          << style.latexparam() << '\n';
                texrow.newline();
        }
        LyXParagraph * par = this;
        do {
-               par = par->TeXOnePar(file, texrow,
+               par = par->TeXOnePar(os, texrow,
                                     foot, foot_texrow, foot_count);
 
                 if (minipage_open && par && !style.isEnvironment() &&
                     (par->pextra_type == PEXTRA_MINIPAGE) &&
                     par->pextra_start_minipage) {
-                       file += "\\end{minipage}\n";
+                       os << "\\end{minipage}\n";
                        texrow.newline();
                        if (par_sep == BufferParams::PARSEP_INDENT) {
-                               file += "}\n";
+                               os << "}\n";
                                texrow.newline();
                        }
                        minipage_open = false;
@@ -3513,69 +3641,72 @@ LyXParagraph * LyXParagraph::TeXEnvironment(string & file, TexRow & texrow,
                        if (textclasslist.Style(current_view->buffer()->params.textclass,
                                                par->layout).isParagraph()
                            && !par->table
-                           && !suffixIs(file, "\n\n")) {
+                           // Thinko!
+                           // How to handle this? (Lgb)
+                           //&& !suffixIs(os, "\n\n")
+                               ) {
                                // There should be at least one '\n' already
                                // but we need there to be two for Standard 
                                // paragraphs that are depth-increment'ed to be
                                // output correctly.  However, tables can
                                // also be paragraphs so don't adjust them.
                                // ARRae
-                               file += '\n';
+                               // Thinkee:
+                               // Will it ever harm to have one '\n' too
+                               // many? i.e. that we sometimes will have
+                               // three in a row. (Lgb)
+                               os << '\n';
                                texrow.newline();
                        }
-                       par = par->TeXDeeper(file, texrow,
+                       par = par->TeXDeeper(os, texrow,
                                             foot, foot_texrow, foot_count);
                }
                if (par && par->layout == layout && par->depth == depth &&
                    (par->pextra_type == PEXTRA_MINIPAGE) && !minipage_open) {
                        if (par->pextra_hfill && par->Previous() &&
                            (par->Previous()->pextra_type == PEXTRA_MINIPAGE)){
-                               file += "\\hfill{}\n";
+                               os << "\\hfill{}\n";
                                 texrow.newline();
                         }
                        if (par_sep == BufferParams::PARSEP_INDENT) {
-                               file += "{\\setlength\\parindent{0pt}\n";
+                               os << "{\\setlength\\parindent{0pt}\n";
                                texrow.newline();
                        }
-                       file += "\\begin{minipage}";
+                       os << "\\begin{minipage}";
                        switch(par->pextra_alignment) {
                        case MINIPAGE_ALIGN_TOP:
-                               file += "[t]";
+                               os << "[t]";
                                break;
                        case MINIPAGE_ALIGN_MIDDLE:
-                               file += "[m]";
+                               os << "[m]";
                                break;
                        case MINIPAGE_ALIGN_BOTTOM:
-                               file += "[b]";
+                               os << "[b]";
                                break;
                        }
                        if (!par->pextra_width.empty()) {
-                               file += '{';
-                               file += par->pextra_width;
-                               file += "}\n";
+                               os << '{' << par->pextra_width << "}\n";
                        } else {
                                //float ib = atof(par->pextra_widthp.c_str())/100;
                                // string can't handle floats at present
                                // so I'll do a conversion by hand knowing that
                                // the limits are 0.0 to 1.0. ARRae.
-                               file += '{';
+                               os << '{';
                                switch (par->pextra_widthp.length()) {
                                case 3:
-                                       file += "1.00";
+                                       os << "1.00";
                                        break;
                                case 2:
-                                       file += "0.";
-                                       file += par->pextra_widthp;
+                                       os << "0." << par->pextra_widthp;
                                        break;
                                case 1:
-                                       file += "0.0";
-                                       file += par->pextra_widthp;
+                                       os << "0.0" << par->pextra_widthp;
                                }
-                               file += "\\columnwidth}\n";
+                               os << "\\columnwidth}\n";
                        }
                        texrow.newline();
                        if (par_sep == BufferParams::PARSEP_INDENT) {
-                               file += "\\setlength\\parindent{\\LyXMinipageIndent}\n";
+                               os << "\\setlength\\parindent{\\LyXMinipageIndent}\n";
                                texrow.newline();
                        }
                        minipage_open = true;
@@ -3584,19 +3715,20 @@ LyXParagraph * LyXParagraph::TeXEnvironment(string & file, TexRow & texrow,
        } while (par
                 && par->layout == layout
                 && par->depth == depth
-                && par->pextra_type == pextra_type);
+                && par->pextra_type == pextra_type
+                && par->footnoteflag == footnoteflag);
  
        if (style.isEnvironment()) {
-               file += "\\end{" + style.latexname() + '}';
+               os << "\\end{" << style.latexname() << '}';
                // maybe this should go after the minipage closes?
                if (foot_this_level) {
                        if (foot_count >= 1) {
                                if (foot_count > 1) {
-                                       file += "\\addtocounter{footnote}{-";
-                                       file += tostr(foot_count - 1);
-                                       file += '}';
+                                       os << "\\addtocounter{footnote}{-"
+                                          << foot_count - 1
+                                          << '}';
                                }
-                               file += foot;
+                               os << foot;
                                texrow += foot_texrow;
                                foot.clear();
                                foot_texrow.reset();
@@ -3607,26 +3739,26 @@ LyXParagraph * LyXParagraph::TeXEnvironment(string & file, TexRow & texrow,
         if (minipage_open && (minipage_open_depth == depth) &&
             (!par || par->pextra_start_minipage ||
              par->pextra_type != PEXTRA_MINIPAGE)) {
-                file += "\\end{minipage}\n";
+                os << "\\end{minipage}\n";
                texrow.newline();
                 if (par_sep == BufferParams::PARSEP_INDENT) {
-                        file += "}\n";
+                        os << "}\n";
                        texrow.newline();
                 }
                 if (par && par->pextra_type != PEXTRA_MINIPAGE) {
-                        file += "\\medskip\n\n";
+                        os << "\\medskip\n\n";
                        texrow.newline();
                        texrow.newline();
                 }
                 minipage_open = false;
         }
        if (eindent_open) {
-               file += "\\end{LyXParagraphIndent}\n";
+               os << "\\end{LyXParagraphIndent}\n";
                texrow.newline();
        }
         if (!(par && (par->pextra_type == PEXTRA_MINIPAGE) 
              && par->pextra_hfill)) {
-                file += '\n';
+                os << '\n';
                texrow.newline();
        }
        lyxerr[Debug::LATEX] << "TeXEnvironment...done " << par << endl;
@@ -3634,10 +3766,10 @@ LyXParagraph * LyXParagraph::TeXEnvironment(string & file, TexRow & texrow,
 }
 
 
-LyXParagraph * LyXParagraph::TeXFootnote(string & file, TexRow & texrow,
-                                        string & foot, TexRow & foot_texrow,
+LyXParagraph * LyXParagraph::TeXFootnote(ostream & os, TexRow & texrow,
+                                        ostream & foot, TexRow & foot_texrow,
                                         int & foot_count,
-                                        LyXDirection par_direction)
+                                        bool parent_is_rtl)
 {
        lyxerr[Debug::LATEX] << "TeXFootnote...  " << this << endl;
        if (footnoteflag == LyXParagraph::NO_FOOTNOTE)
@@ -3657,38 +3789,54 @@ LyXParagraph * LyXParagraph::TeXFootnote(string & file, TexRow & texrow,
 
        if (footnotekind != LyXParagraph::FOOTNOTE
            && footnotekind != LyXParagraph::MARGIN
-           && file.length()
-           && !suffixIs(file, '\n')) {
+           && os.tellp()
+           // Thinko
+           // How to solve this?
+           //&& !suffixIs(file, '\n')
+               ) {
                // we need to ensure that real floats like tables and figures
                // have their \begin{} on a new line otherwise we can get
                // incorrect results when using the endfloat.sty package
                // especially if two floats follow one another.  ARRae 981022
                // NOTE: if the file is length 0 it must have just been
                //       written out so we assume it ended with a '\n'
-               file += '\n';
+               // Thinkee:
+               // As far as I can see there is never any harm in writing
+               // a '\n' too much. Please tell me if I am wrong. (Lgb)
+               os << '\n';
                texrow.newline();
        }
+
+       bool need_closing = false;
+       bool is_rtl = isRightToLeftPar();
+       if (is_rtl != parent_is_rtl) {
+               if (is_rtl)
+                       os << "\\R{";
+               else
+                       os << "\\L{";
+               need_closing = true;
+       }
        
        BufferParams * params = &current_view->buffer()->params;
        bool footer_in_body = true;
        switch (footnotekind) {
        case LyXParagraph::FOOTNOTE:
                if (style.intitle) {
-                       file += "\\thanks{\n";
+                       os << "\\thanks{\n";
                        footer_in_body = false;
                } else {
                        if (foot_count == -1) {
                                // we're at depth 0 so we can use:
-                               file += "\\footnote{%\n";
+                               os << "\\footnote{%\n";
                                footer_in_body = false;
                        } else {
-                               file += "\\footnotemark{}%\n";
+                               os << "\\footnotemark{}%\n";
                                if (foot_count) {
                                        // we only need this when there are
                                        // multiple footnotes
-                                       foot += "\\stepcounter{footnote}";
+                                       os << "\\stepcounter{footnote}";
                                }
-                               foot += "\\footnotetext{%\n";
+                               os << "\\footnotetext{%\n";
                                foot_texrow.start(this, 0);
                                foot_texrow.newline();
                                ++foot_count;
@@ -3696,79 +3844,59 @@ LyXParagraph * LyXParagraph::TeXFootnote(string & file, TexRow & texrow,
                }
                break;
        case LyXParagraph::MARGIN:
-               file += "\\marginpar{\n";
+               os << "\\marginpar{\n";
                break;
        case LyXParagraph::FIG:
                if (pextra_type == PEXTRA_FLOATFLT
                    && (!pextra_width.empty()
                        || !pextra_widthp.empty())) {
-                       char bufr[80];
                        if (!pextra_width.empty())
-                               sprintf(bufr, "\\begin{floatingfigure}{%s}\n",
-                                       pextra_width.c_str());
+                               os << "\\begin{floatingfigure}{"
+                                  << pextra_width << "}\n";
                        else
-                               sprintf(bufr,
-                                       "\\begin{floatingfigure}{%f\\textwidth}\n",
-                                       atoi(pextra_widthp.c_str())/100.0);
-                       file += bufr;
+                               os << "\\begin{floatingfigure}{"
+                                  << atoi(pextra_widthp.c_str())/100.0
+                                  << "\\textwidth}\n";
                } else {
-                       file += "\\begin{figure}";
+                       os << "\\begin{figure}";
                        if (!params->float_placement.empty()) { 
-                               file += '[';
-                               file += params->float_placement;
-                               file += "]\n";
+                               os << '[' << params->float_placement << "]\n";
                        } else {
-                               file += '\n';
+                               os << '\n';
                        }
                }
                break;
        case LyXParagraph::TAB:
-               file += "\\begin{table}";
+               os << "\\begin{table}";
                if (!params->float_placement.empty()) { 
-                       file += '[';
-                       file += params->float_placement;
-                       file += "]\n";
+                       os << '[' << params->float_placement << "]\n";
                } else {
-                       file += '\n';
+                       os << '\n';
                }
                break;
        case LyXParagraph::WIDE_FIG:
-               file += "\\begin{figure*}";
+               os << "\\begin{figure*}";
                if (!params->float_placement.empty()) { 
-                       file += '[';
-                       file += params->float_placement;
-                       file += "]\n";
+                       os << '[' << params->float_placement << "]\n";
                } else {
-                       file += '\n';
+                       os << '\n';
                }
                break;
        case LyXParagraph::WIDE_TAB:
-               file += "\\begin{table*}";
+               os << "\\begin{table*}";
                if (!params->float_placement.empty()) { 
-                       file += '[';
-                       file += params->float_placement;
-                       file += "]\n";
+                       os << '[' << params->float_placement << "]\n";
                } else {
-                       file += '\n';
+                       os << '\n';
                }
                break;
        case LyXParagraph::ALGORITHM:
-               file += "\\begin{algorithm}\n";
+               os << "\\begin{algorithm}\n";
                break;
        }
        texrow.newline();
    
-       LyXDirection direction = getParDirection();
-       if (direction != par_direction) {
-               if (direction == LYX_DIR_LEFT_TO_RIGHT)
-                       file += "\\unsethebrew\n";
-               else
-                       file += "\\sethebrew\n";
-               texrow.newline();
-       }
-
-       if (footnotekind != LyXParagraph::FOOTNOTE
+       if (footnotekind != LyXParagraph::FOOTNOTE
            || !footer_in_body) {
                // Process text for all floats except footnotes in body
                do {
@@ -3786,17 +3914,17 @@ LyXParagraph * LyXParagraph::TeXFootnote(string & file, TexRow & texrow,
                                // environments. Shouldn't be circular because
                                // we don't support footnotes inside
                                // floats (yet). ARRae
-                               par = par->TeXEnvironment(file, texrow,
+                               par = par->TeXEnvironment(os, texrow,
                                                          foot, foot_texrow,
                                                          foot_count);
                        } else {
-                               par = par->TeXOnePar(file, texrow,
+                               par = par->TeXOnePar(os, texrow,
                                                     foot, foot_texrow,
                                                     foot_count);
                        }
                        
                        if (par && !par->IsDummy() && par->depth > depth) {
-                               par = par->TeXDeeper(file, texrow,
+                               par = par->TeXDeeper(os, texrow,
                                                     foot, foot_texrow,
                                                     foot_count);
                        }
@@ -3805,7 +3933,11 @@ LyXParagraph * LyXParagraph::TeXFootnote(string & file, TexRow & texrow,
                // process footnotes > depth 0 or in environments separately
                // NOTE: Currently don't support footnotes within footnotes
                //       even though that is possible using the \footnotemark
-               string dummy;
+#ifdef HAVE_SSTREAM
+               std::ostringstream dummy;
+#else
+               ostrstream dummy;
+#endif
                TexRow dummy_texrow;
                int dummy_count = 0;
                do {
@@ -3844,6 +3976,9 @@ LyXParagraph * LyXParagraph::TeXFootnote(string & file, TexRow & texrow,
                                "Footnote in a Footnote -- not supported"
                               << endl;
                }
+#ifndef HAVE_OSTREAM
+               delete [] dummy.str();
+#endif
        }
 
        switch (footnotekind) {
@@ -3851,43 +3986,46 @@ LyXParagraph * LyXParagraph::TeXFootnote(string & file, TexRow & texrow,
                if (footer_in_body) {
                        // This helps tell which of the multiple
                        // footnotetexts an error was in.
-                       foot += "}%\n";
+                       foot << "}%\n";
                        foot_texrow.newline();
                } else {
-                       file += '}';
+                       os << '}';
                }
                break;
        case LyXParagraph::MARGIN:
-               file += '}';
+               os << '}';
                break;
        case LyXParagraph::FIG:
                if (pextra_type == PEXTRA_FLOATFLT
                    && (!pextra_width.empty()
                        || !pextra_widthp.empty()))
-                       file += "\\end{floatingfigure}";
+                       os << "\\end{floatingfigure}";
                else
-                       file += "\\end{figure}";
+                       os << "\\end{figure}";
                break;
        case LyXParagraph::TAB:
-               file += "\\end{table}";
+               os << "\\end{table}";
                break;
        case LyXParagraph::WIDE_FIG:
-               file += "\\end{figure*}";
+               os << "\\end{figure*}";
                break;
        case LyXParagraph::WIDE_TAB:
-               file += "\\end{table*}";
+               os << "\\end{table*}";
                break;
        case LyXParagraph::ALGORITHM:
-               file += "\\end{algorithm}";
+               os << "\\end{algorithm}";
                break;
        }
 
+       if (need_closing)
+               os << "}";
+
        if (footnotekind != LyXParagraph::FOOTNOTE
            && footnotekind != LyXParagraph::MARGIN) {
                // we need to ensure that real floats like tables and figures
                // have their \end{} on a line of their own otherwise we can
                // get incorrect results when using the endfloat.sty package.
-               file += "\n";
+               os << "\n";
                texrow.newline();
        }
 
@@ -3896,6 +4034,13 @@ LyXParagraph * LyXParagraph::TeXFootnote(string & file, TexRow & texrow,
 }
 
 
+bool LyXParagraph::IsDummy() const
+{
+       return (footnoteflag == LyXParagraph::NO_FOOTNOTE && previous
+               && previous->footnoteflag != LyXParagraph::NO_FOOTNOTE);
+}
+
+
 void LyXParagraph::SetPExtraType(int type, char const * width,
                                 char const * widthp)
 {
@@ -3943,8 +4088,8 @@ void LyXParagraph::UnsetPExtraType()
                return;
     
        pextra_type = PEXTRA_NONE;
-       pextra_width.clear();
-       pextra_widthp.clear();
+       pextra_width.erase();
+       pextra_widthp.erase();
 
        if (textclasslist.Style(current_view->buffer()->params.textclass, 
                                layout).isEnvironment()) {
@@ -3968,8 +4113,8 @@ void LyXParagraph::UnsetPExtraType()
                while (par && (par->layout == layout)
                       && (par->depth == depth)) {
                        par->pextra_type = PEXTRA_NONE;
-                       par->pextra_width.clear();
-                       par->pextra_widthp.clear();
+                       par->pextra_width.erase();
+                       par->pextra_widthp.erase();
                        par = par->NextAfterFootnote();
                        if (par && (par->depth > depth))
                                par->UnsetPExtraType();
@@ -4000,10 +4145,7 @@ bool LyXParagraph::IsFloat(size_type pos) const
 
 bool LyXParagraph::IsNewline(size_type pos) const
 {
-       bool tmp = false;
-       if (pos >= 0)
-               tmp = IsNewlineChar(GetChar(pos));
-       return tmp;
+       return pos >= 0 && IsNewlineChar(GetChar(pos));
 }
 
 
@@ -4035,7 +4177,7 @@ bool LyXParagraph::IsLetter(LyXParagraph::size_type pos) const
        if( c == '\0')
                return false;
        // We want to pass the ' and escape chars to ispell
-       string extra = lyxrc->isp_esc_chars + '\'';
+       string extra = lyxrc.isp_esc_chars + '\'';
        char ch[2];
        ch[0] = c;
        ch[1] = 0;
@@ -4049,32 +4191,51 @@ bool LyXParagraph::IsWord(size_type pos ) const
 }
 
 
-LyXDirection LyXParagraph::getParDirection() const
+Language const * LyXParagraph::getParLanguage() const 
 {
-       if (!lyxrc->rtl_support || table)
-               return LYX_DIR_LEFT_TO_RIGHT;
-
        if (size() > 0)
-               return (getFont(0).direction() ==  LyXFont::RTL_DIR)
-                       ? LYX_DIR_RIGHT_TO_LEFT : LYX_DIR_LEFT_TO_RIGHT;
+               if (!table)
+                       return FirstPhysicalPar()->GetFirstFontSettings()
+                               .language();
+               else {
+                       for (size_type pos = 0; pos < size(); ++pos)
+                               if (IsNewline(pos))
+                                       return GetFontSettings(pos).language();
+                       return GetFirstFontSettings().language();
+               }
+       else if (previous)
+               return previous->getParLanguage();
        else
-               return current_view->buffer()->params.getDocumentDirection();
+               return current_view->buffer()->params.language_info;
 }
 
 
-LyXDirection
-LyXParagraph::getLetterDirection(LyXParagraph::size_type pos) const
+bool LyXParagraph::isRightToLeftPar() const
 {
-       if (!lyxrc->rtl_support)
-               return LYX_DIR_LEFT_TO_RIGHT;
+       return lyxrc.rtl_support && !table && getParLanguage()->RightToLeft;
+}
 
-       LyXDirection direction = getFont(pos).getFontDirection();
-       if (IsLineSeparator(pos) && 0 < pos && pos < Last() - 1
-           && !IsLineSeparator(pos + 1)
-           && !(table && IsNewline(pos + 1))
-           && (getFont(pos - 1).getFontDirection() != direction
-               || getFont(pos + 1).getFontDirection() != direction))
-               return getParDirection();
-       else
-               return direction;
+
+void LyXParagraph::ChangeLanguage(Language const * from, Language const * to)
+{
+       for(size_type i = 0; i < size(); ++i) {
+               LyXFont font = GetFontSettings(i);
+               if (font.language() == from) {
+                       font.setLanguage(to);
+                       SetFont(i, font);
+               }
+       }
+}
+
+
+bool LyXParagraph::isMultiLingual()
+{
+       Language const * doc_language =
+               current_view->buffer()->params.language_info;
+       for(size_type i = 0; i < size(); ++i) {
+               LyXFont font = GetFontSettings(i);
+               if (font.language() != doc_language)
+                       return true;
+       }
+       return false;
 }