/* This file is part of
 * ====================================================== 
 * 
 *           LyX, The Document Processor
 * 	 
 *           Copyright 1995 Matthias Ettrich
 *           Copyright 1995-2000 The LyX Team. 
 *
 * ====================================================== */

#include <config.h>

#ifdef __GNUG__
#pragma implementation "lyxparagraph.h"
#endif

#include <algorithm>
#include <fstream>
#include <csignal>

#include "lyxparagraph.h"
#include "support/textutils.h"
#include "lyxrc.h"
#include "layout.h"
#include "tex-strings.h"
#include "buffer.h"
#include "bufferparams.h"
#include "support/FileInfo.h"
#include "support/LAssert.h"
#include "debug.h"
#include "LaTeXFeatures.h"
#include "insets/insetinclude.h"
#include "insets/insetbib.h"
#include "insets/insettext.h"
#include "support/filetools.h"
#include "lyx_gui_misc.h"
#include "texrow.h"
#include "support/lyxmanip.h"
#include "BufferView.h"
#include "encoding.h"

using std::ostream;
using std::endl;
using std::fstream;
using std::ios;
using std::lower_bound;
using std::upper_bound;
using std::reverse;

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 string bibitemWidest(Buffer const *);

// this is a minibuffer
static char minibuffer_char;
static LyXFont minibuffer_font;
static Inset * minibuffer_inset;


extern BufferView * current_view;

// Initialization of the counter for the paragraph id's,
// declared in lyxparagraph.h
unsigned int LyXParagraph::paragraph_id = 0;


LyXParagraph::LyXParagraph()
{
	text.reserve(500); // is this number too big?

	for (int i = 0; i < 10; ++i) setCounter(i , 0);
	appendix = false;
	enumdepth = 0;
	itemdepth = 0;
	next = 0;
	previous = 0;
#ifndef NEW_INSETS
	footnoteflag = LyXParagraph::NO_FOOTNOTE;
	footnotekind = LyXParagraph::FOOTNOTE; // should not be needed
#endif
	align = LYX_ALIGN_BLOCK;

	inset_owner = 0;
	id_ = paragraph_id++;
        bibkey = 0; // ale970302
	Clear();
}


// This konstruktor inserts the new paragraph in a list.
LyXParagraph::LyXParagraph(LyXParagraph * par)
{
	text.reserve(500);
	par->text.resize(par->text.size());

	for (int i = 0; i < 10; ++i) setCounter(i, 0);
	appendix = false;
	enumdepth = 0;
	itemdepth = 0;
	// double linked list begin
	next = par->next;
	if (next)
		next->previous = this;
	previous = par;
	previous->next = this;
	// end
#ifndef NEW_INSETS
	footnoteflag = LyXParagraph::NO_FOOTNOTE;
	footnotekind = LyXParagraph::FOOTNOTE;
#endif
	inset_owner = 0;
	id_ = paragraph_id++;

        bibkey = 0; // ale970302        
    
	Clear();
}


void LyXParagraph::writeFile(Buffer const * buf, ostream & os,
			     BufferParams const & params,
			     char footflag, char dth) const
{
#ifndef NEW_INSETS
	if (
		footnoteflag != LyXParagraph::NO_FOOTNOTE ||
	    !previous
	    || previous->footnoteflag == LyXParagraph::NO_FOOTNOTE
		) {
#endif
		
#ifndef NEW_INSETS
		// The beginning or the end of a footnote environment?
		if (footflag != footnoteflag) {
			footflag = footnoteflag;
			if (footflag) {
				os << "\n\\begin_float "
				   << string_footnotekinds[footnotekind]
				   << " ";
			} else {
				os << "\n\\end_float ";
			}
		}
#endif
		// The beginning or end of a deeper (i.e. nested) area?
		if (dth != depth) {
			if (depth > dth) {
				while (depth > dth) {
					os << "\n\\begin_deeper ";
					++dth;
				}
			} else {
				while (depth < dth) {
					os << "\n\\end_deeper ";
					--dth;
				}
			}
		}

		// First write the layout
		os << "\n\\layout "
		   << textclasslist.NameOfLayout(params.textclass, layout)
		   << "\n";

		// Maybe some vertical spaces.
		if (added_space_top.kind() != VSpace::NONE)
			os << "\\added_space_top "
			   << added_space_top.asLyXCommand() << " ";
		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 "
			   << labelwidthstring << '\n';

		// Lines above or below?
		if (line_top)
			os << "\\line_top ";
		if (line_bottom)
			os << "\\line_bottom ";

		// Pagebreaks above or below?
		if (pagebreak_top)
			os << "\\pagebreak_top ";
		if (pagebreak_bottom)
			os << "\\pagebreak_bottom ";
			
		// Start of appendix?
		if (start_of_appendix)
			os << "\\start_of_appendix ";

		// Noindent?
		if (noindent)
			os << "\\noindent ";
			
		// Alignment?
		if (align != LYX_ALIGN_LAYOUT) {
			int h = 0;
			switch (align) {
			case LYX_ALIGN_LEFT: h = 1; break;
			case LYX_ALIGN_RIGHT: h = 2; break;
			case LYX_ALIGN_CENTER: h = 3; break;
			default: h = 0; break;
			}
			os << "\\align " << string_align[h] << " ";
		}
                if (pextra_type != PEXTRA_NONE) {
                        os << "\\pextra_type " << pextra_type;
                        if (pextra_type == PEXTRA_MINIPAGE) {
				os << " \\pextra_alignment "
				   << pextra_alignment;
				if (pextra_hfill)
					os << " \\pextra_hfill "
					   << pextra_hfill;
				if (pextra_start_minipage)
					os << " \\pextra_start_minipage "
					   << pextra_start_minipage;
                        }
                        if (!pextra_width.empty()) {
				os << " \\pextra_width "
				   << VSpace(pextra_width).asLyXCommand();
                        } else if (!pextra_widthp.empty()) {
				os << " \\pextra_widthp "
				   << pextra_widthp;
                        }
			os << '\n';
                }
#ifndef NEW_INSETS
	} else {
   		// Dummy layout. This means that a footnote ended.
		os << "\n\\end_float ";
		footflag = LyXParagraph::NO_FOOTNOTE;
	}
#endif

	// bibitem  ale970302
	if (bibkey)
		bibkey->Write(buf, os);

	LyXFont font1(LyXFont::ALL_INHERIT, params.language);

	int column = 0;
	for (size_type i = 0; i < size(); ++i) {
		if (!i) {
			os << "\n";
			column = 0;
		}
		
		// Write font changes
		LyXFont font2 = GetFontSettings(params, i);
		if (font2 != font1) {
			font2.lyxWriteChanges(font1, os);
			column = 0;
			font1 = font2;
		}

		value_type c = GetChar(i);
		switch (c) {
		case META_INSET:
		{
			Inset const * inset = GetInset(i);
			if (inset)
				if (inset->DirectWrite()) {
					// international char, let it write
					// code directly so it's shorter in
					// the file
					inset->Write(buf, os);
				} else {
					os << "\n\\begin_inset ";
					inset->Write(buf, os);
					os << "\n\\end_inset \n\n";
					column = 0;
				}
		}
		break;
		case META_NEWLINE: 
			os << "\n\\newline \n";
			column = 0;
			break;
		case META_HFILL: 
			os << "\n\\hfill \n";
			column = 0;
			break;
		case '\\':
			os << "\n\\backslash \n";
			column = 0;
			break;
		case '.':
			if (i + 1 < size() && GetChar(i + 1) == ' ') {
				os << ".\n";
				column = 0;
			} else
				os << ".";
			break;
		default:
			if ((column > 70 && c == ' ')
			    || column > 79) {
				os << "\n";
				column = 0;
			}
			// this check is to amend a bug. LyX sometimes
			// inserts '\0' this could cause problems.
			if (c != '\0')
				os << c;
			else
				lyxerr << "ERROR (LyXParagraph::writeFile):"
					" NULL char in structure." << endl;
			++column;
			break;
		}
	}
	
	// now write the next paragraph
	if (next)
		next->writeFile(buf, os, params, footflag, dth);
}


void LyXParagraph::validate(LaTeXFeatures & features) const
{
	BufferParams const & params = features.bufferParams();

#ifndef NEW_INSETS
	// this will be useful later
	LyXLayout const & layout =
		textclasslist.Style(params.textclass, 
				    GetLayout());
#endif
	
	// 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;
	
	for (FontList::const_iterator cit = fontlist.begin();
	     cit != fontlist.end(); ++cit) {
		if ((*cit).font.noun() == LyXFont::ON) {
			lyxerr[Debug::LATEX] << "font.noun: "
					     << (*cit).font.noun()
					     << endl;
			features.noun = true;
			lyxerr[Debug::LATEX] << "Noun enabled. Font: "
					     << (*cit).font.stateText(0)
					     << endl;
		}
		switch ((*cit).font.color()) {
		case LColor::none:
		case LColor::inherit:
		case LColor::ignore:
			break;
		default:
			features.color = true;
			lyxerr[Debug::LATEX] << "Color enabled. Font: "
					     << (*cit).font.stateText(0)
					     << endl;
		}

		Language const * language = (*cit).font.language();
		if (language->babel() != doc_language->babel()) {
			features.UsedLanguages.insert(language);
			lyxerr[Debug::LATEX] << "Found language "
					     << language->babel() << endl;
		}
	}

	// then the insets
	for (InsetList::const_iterator cit = insetlist.begin();
	     cit != insetlist.end(); ++cit) {
		if ((*cit).inset)
			(*cit).inset->Validate(features);
	}

        if (pextra_type == PEXTRA_INDENT)
                features.LyXParagraphIndent = true;
        if (pextra_type == PEXTRA_FLOATFLT)
                features.floatflt = true;
#ifndef NEW_INSETS
        if (layout.needprotect 
	    && next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
		features.NeedLyXFootnoteCode = true;
#endif
        if (params.paragraph_separation == BufferParams::PARSEP_INDENT
            && pextra_type == LyXParagraph::PEXTRA_MINIPAGE)
		features.NeedLyXMinipageIndent = true;
#ifndef NEW_INSETS
	if (footnoteflag != NO_FOOTNOTE && footnotekind == ALGORITHM)
		features.algorithm = true;
#endif
}


// First few functions needed for cut and paste and paragraph breaking.
void LyXParagraph::CopyIntoMinibuffer(BufferParams const & bparams,
				      LyXParagraph::size_type pos) const
{
	minibuffer_char = GetChar(pos);
	minibuffer_font = GetFontSettings(bparams, pos);
	minibuffer_inset = 0;
	if (minibuffer_char == LyXParagraph::META_INSET) {
		if (GetInset(pos)) {
			minibuffer_inset = GetInset(pos)->Clone(*current_view->buffer());
		} else {
			minibuffer_inset = 0;
			minibuffer_char = ' ';
			// This reflects what GetInset() does (ARRae)
		}
	}
}


void LyXParagraph::CutIntoMinibuffer(BufferParams const & bparams,
				     LyXParagraph::size_type pos)
{
	minibuffer_char = GetChar(pos);
	minibuffer_font = GetFontSettings(bparams, pos);
	minibuffer_inset = 0;
	if (minibuffer_char == LyXParagraph::META_INSET) {
		if (GetInset(pos)) {
			minibuffer_inset = GetInset(pos);
			// This is a little hack since I want exactly
			// the inset, not just a clone. Otherwise
			// the inset would be deleted when calling Erase(pos)
			// find the entry
			InsetTable search_elem(pos, 0);
			InsetList::iterator it =
				lower_bound(insetlist.begin(),
					    insetlist.end(),
					    search_elem, matchIT());
			if (it != insetlist.end() && (*it).pos == pos)
				(*it).inset = 0;
		} else {
			minibuffer_inset = 0;
			minibuffer_char = ' ';
			// This reflects what GetInset() does (ARRae)
		}

	}

	// Erase(pos); now the caller is responsible for that.
}


bool LyXParagraph::InsertFromMinibuffer(LyXParagraph::size_type pos)
{
	if ((minibuffer_char == LyXParagraph::META_INSET) &&
	    !InsertInsetAllowed(minibuffer_inset))
		return false;
	if (minibuffer_char == LyXParagraph::META_INSET)
		InsertInset(pos, minibuffer_inset, minibuffer_font);
	else
		InsertChar(pos, minibuffer_char, minibuffer_font);
	return true;
}

// end of minibuffer



void LyXParagraph::Clear()
{
	line_top = false;
	line_bottom = false;
   
	pagebreak_top = false;
	pagebreak_bottom = false;

	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.erase();
        pextra_widthp.erase();
        pextra_alignment = MINIPAGE_ALIGN_TOP;
        pextra_hfill = false;
        pextra_start_minipage = false;

        labelstring.erase();
	labelwidthstring.erase();
	layout = 0;
	bibkey = 0;
	
	start_of_appendix = false;
}


// the destructor removes the new paragraph from the list
LyXParagraph::~LyXParagraph()
{
	if (previous)
		previous->next = next;
	if (next)
		next->previous = previous;

	for (InsetList::iterator it = insetlist.begin();
	     it != insetlist.end(); ++it) {
		delete (*it).inset;
	}

        // ale970302
	delete bibkey;
	//
	//lyxerr << "LyXParagraph::paragraph_id = "
	//       << LyXParagraph::paragraph_id << endl;
}


void LyXParagraph::Erase(LyXParagraph::size_type pos)
{
#ifndef NEW_INSETS
	// > because last is the next unused position, and you can 
	// use it if you want
	if (pos > size()) {
		if (next && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) 
			NextAfterFootnote()->Erase(pos - text.size() - 1);
		else 
			lyxerr.debug() << "ERROR (LyXParagraph::Erase): "
				"position does not exist." << endl;
		return;
	}
#else
	Assert(pos < size());
#endif
#ifndef NEW_INSETS
	if (pos < size()) { // last is free for insertation, but should be empty
#endif
		// if it is an inset, delete the inset entry 
		if (text[pos] == LyXParagraph::META_INSET) {
			// find the entry
			InsetTable search_inset(pos, 0);
			InsetList::iterator it =
				lower_bound(insetlist.begin(),
					    insetlist.end(),
					    search_inset, matchIT());
			if (it != insetlist.end() && (*it).pos == pos) {
				delete (*it).inset;
				insetlist.erase(it);
			}
		}
		text.erase(text.begin() + pos);

		// Erase entries in the tables.
		FontTable search_font(pos, LyXFont());
		
		FontList::iterator it =
			lower_bound(fontlist.begin(),
				    fontlist.end(),
				    search_font, matchFT());
		if (it != fontlist.end() && (*it).pos == pos &&
		    (pos == 0 || 
		     (it != fontlist.begin() && (*(it-1)).pos == pos - 1))) {
			// If it is a multi-character font
			// entry, we just make it smaller
			// (see update below), otherwise we
			// should delete it.
			unsigned int i = it - fontlist.begin();
			fontlist.erase(fontlist.begin() + i);
			it = fontlist.begin() + i;
			if (i > 0 && i < fontlist.size() &&
			    fontlist[i-1].font == fontlist[i].font) {
				fontlist.erase(fontlist.begin() + i-1);
				it = fontlist.begin() + i-1;
			}
		}

		// Update all other entries.
		FontList::iterator fend = fontlist.end();
		for (; it != fend; ++it)
			--(*it).pos;

		// Update the inset table.
		InsetTable search_inset(pos, 0);
		InsetList::iterator lend = insetlist.end();
		for (InsetList::iterator it =
			     upper_bound(insetlist.begin(),
					 lend,
					 search_inset, matchIT());
		     it != lend; ++it)
			--(*it).pos;
#ifndef NEW_INSETS
	} else {
		lyxerr << "ERROR (LyXParagraph::Erase): "
			"can't erase non-existant char." << endl;
	}
#endif
}


void LyXParagraph::InsertChar(LyXParagraph::size_type pos,
			      LyXParagraph::value_type c)
{
	LyXFont f(LyXFont::ALL_INHERIT);
	InsertChar(pos, c, f);
}


void LyXParagraph::InsertChar(LyXParagraph::size_type pos,
			      LyXParagraph::value_type c,
			      LyXFont const & font)
{
#ifndef NEW_INSETS
	// > because last is the next unused position, and you can 
	// use it if you want
	if (pos > size()) {
		if (next
		    && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) 
			NextAfterFootnote()->InsertChar(pos - text.size() - 1,
							c);
		else 
			lyxerr.debug() << "ERROR (LyXParagraph::InsertChar): "
				"position does not exist." << endl;
		return;
	}
#else
	Assert(pos <= size());
#endif
	text.insert(text.begin() + pos, c);
	// Update the font table.
	FontTable search_font(pos, LyXFont());
	for (FontList::iterator it = lower_bound(fontlist.begin(),
						 fontlist.end(),
						 search_font, matchFT());
	     it != fontlist.end(); ++it)
		++(*it).pos;
   
	// Update the inset table.
	InsetTable search_inset(pos, 0);
	for (InsetList::iterator it = lower_bound(insetlist.begin(),
						  insetlist.end(),
						  search_inset, matchIT());
	     it != insetlist.end(); ++it)
		++(*it).pos;

	SetFont(pos, font);
}


void LyXParagraph::InsertInset(LyXParagraph::size_type pos,
			       Inset * inset)
{
	LyXFont f(LyXFont::ALL_INHERIT);
	InsertInset(pos, inset, f);
}


void LyXParagraph::InsertInset(LyXParagraph::size_type pos,
			       Inset * inset, LyXFont const & font)
{
	Assert(inset);
	
#ifndef NEW_INSETS
	// > because last is the next unused position, and you can 
	// use it if you want
	if (pos > size()) {
		if (next
		    && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) 
			NextAfterFootnote()
				->InsertInset(pos - text.size() - 1,
					      inset, font);
		else
			lyxerr << "ERROR (LyXParagraph::InsertInset): " 
				"position does not exist: " << pos << endl;
		return;
	}
#else
	Assert(pos <= size());
#endif
	
	InsertChar(pos, META_INSET, font);
	Assert(text[pos] == META_INSET);
	
	// Add a new entry in the inset table.
	InsetTable search_inset(pos, 0);
	InsetList::iterator it = lower_bound(insetlist.begin(),
					     insetlist.end(),
					     search_inset, 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)
{
	//lyxerr << "LyXParagraph::InsertInsetAllowed" << endl;
	
	if (inset_owner)
		return inset_owner->InsertInsetAllowed(inset);
	return true;
}


Inset * LyXParagraph::GetInset(LyXParagraph::size_type pos)
{
#ifndef NEW_INSETS
	if (pos >= size()) {
		if (next
		    && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) 
			return NextAfterFootnote()
				->GetInset(pos - text.size() - 1);
		else
		        lyxerr << "ERROR (LyXParagraph::GetInset): "
				"position does not exist: "
			       << pos << endl;
		
		return 0;
	}
#else
	Assert(pos < size());
#endif
	// Find the inset.
	InsetTable search_inset(pos, 0);
	InsetList::iterator it = lower_bound(insetlist.begin(),
					     insetlist.end(),
					     search_inset, matchIT());
	if (it != insetlist.end() && (*it).pos == pos)
		return (*it).inset;

	lyxerr << "ERROR (LyXParagraph::GetInset): "
		"Inset does not exist: " << pos << endl;
	//::raise(SIGSTOP);
	
	// 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
	// as well replace it with a space to prevent craches. (Asger)
	return 0;
}


Inset const * LyXParagraph::GetInset(LyXParagraph::size_type pos) const
{
#ifndef NEW_INSETS
	if (pos >= size()) {
		if (next
		    && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) 
			return NextAfterFootnote()
				->GetInset(pos - text.size() - 1);
		else
		        lyxerr << "ERROR (LyXParagraph::GetInset): "
				"position does not exist: "
			       << pos << endl;

		return 0;
	}
#else
	Assert(pos < size());
#endif
	// Find the inset.
	InsetTable search_inset(pos, 0);
	InsetList::const_iterator cit = lower_bound(insetlist.begin(),
						    insetlist.end(),
						    search_inset, matchIT());
	if (cit != insetlist.end() && (*cit).pos == pos)
		return (*cit).inset;

	lyxerr << "ERROR (LyXParagraph::GetInset): "
		"Inset does not exist: " << pos << endl;
	//::raise(SIGSTOP);
	//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
	// as well replace it with a space to prevent craches. (Asger)
	return 0;
}


// Gets uninstantiated font setting at position.
// Optimized after profiling. (Asger)
LyXFont const LyXParagraph::GetFontSettings(BufferParams const & bparams,
				      LyXParagraph::size_type pos) const
{
#ifdef NEW_INSETS
	Assert(pos <= size());
#endif
#ifndef NEW_INSETS
	if (pos < size()) {
#endif
		FontTable search_font(pos, LyXFont());
		FontList::const_iterator cit = lower_bound(fontlist.begin(),
						    fontlist.end(),
						    search_font, matchFT());
		if (cit != fontlist.end())
			return (*cit).font;
#ifndef NEW_INSETS
	}
#endif
#ifndef NEW_INSETS
	// > because last is the next unused position, and you can 
	// use it if you want
	else if (pos > size()) {
		if (next
		    && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) 
			return NextAfterFootnote()
				->GetFontSettings(bparams,
						  pos - text.size() - 1);
		else
			// Why is it an error to ask for the font of a
			// position that does not exist? Would it be
			// enough for this to be enabled on debug?
			// We want strict error checking, but it's ok to only
			// have it when debugging. (Asger)
			lyxerr << "ERROR (LyXParagraph::GetFontSettings): "
				"position does not exist. "
			       << pos << " (" << static_cast<int>(pos)
			       << ")" << endl;
	}
	else if (pos > 0) {
		return GetFontSettings(bparams, pos - 1);
	}
#else
	if (pos == size() && size())
		return GetFontSettings(bparams, pos - 1);
#endif
	//else
	// pos = size() = 0
	return LyXFont(LyXFont::ALL_INHERIT, getParLanguage(bparams));

	//return LyXFont(LyXFont::ALL_INHERIT);
}

// Gets uninstantiated font setting at position 0
LyXFont const LyXParagraph::GetFirstFontSettings() const
{
	if (size() > 0) {
		if (!fontlist.empty())
			return fontlist[0].font;
	}
	
#ifndef NEW_INSETS
	else if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE) 
		return NextAfterFootnote()->GetFirstFontSettings();
#endif
	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.
// The difference is that this one is used for generating the LaTeX file,
// and thus cosmetic "improvements" are disallowed: This has to deliver
// the true picture of the buffer. (Asger)
// If position is -1, we get the layout font of the paragraph.
// If position is -2, we get the font of the manual label of the paragraph.
LyXFont const LyXParagraph::getFont(BufferParams const & bparams,
			      LyXParagraph::size_type pos) const
{
	LyXFont tmpfont;
	LyXLayout const & layout =
		textclasslist.Style(bparams.textclass, 
				    GetLayout());
	LyXParagraph::size_type main_body = 0;
	if (layout.labeltype == LABEL_MANUAL)
		main_body = BeginningOfMainBody();

	if (pos >= 0) {
		LyXFont layoutfont;
		if (pos < main_body)
			layoutfont = layout.labelfont;
		else
			layoutfont = layout.font;
		tmpfont = GetFontSettings(bparams, pos);
		tmpfont.realize(layoutfont);
	} else {
		// process layoutfont for pos == -1 and labelfont for pos < -1
		if (pos == -1)
			tmpfont = layout.font;
		else
			tmpfont = layout.labelfont;
		tmpfont.setLanguage(getParLanguage(bparams));
	}

	// check for environment font information
	char par_depth = GetDepth();
	LyXParagraph const * par = this;
	while (par && par_depth && !tmpfont.resolved()) {
		par = par->DepthHook(par_depth - 1);
		if (par) {
			tmpfont.realize(textclasslist.
					Style(bparams.textclass,
					      par->GetLayout()).font);
			par_depth = par->GetDepth();
		}
	}

	tmpfont.realize(textclasslist
			.TextClass(bparams.textclass)
			.defaultfont());
	return tmpfont;
}


/// Returns the height of the highest font in range
LyXFont::FONT_SIZE
LyXParagraph::HighestFontInRange(LyXParagraph::size_type startpos,
				 LyXParagraph::size_type endpos) const
{
	LyXFont::FONT_SIZE maxsize = LyXFont::SIZE_TINY;
	if (fontlist.empty())
		return maxsize;

	FontTable end_search(endpos, LyXFont());
	FontList::const_iterator end_it = lower_bound(fontlist.begin(),
						      fontlist.end(),
						      end_search, matchFT());
	if (end_it != fontlist.end())
		++end_it;

	FontTable start_search(startpos, LyXFont());
	for (FontList::const_iterator cit =
		     lower_bound(fontlist.begin(),
				 fontlist.end(),
				 start_search, matchFT());
	     cit != end_it; ++cit) {
		LyXFont::FONT_SIZE size = (*cit).font.size();
		if (size > maxsize && size <= LyXFont::SIZE_HUGER)
			maxsize = size;
	}
	return maxsize;
}


LyXParagraph::value_type
LyXParagraph::GetChar(LyXParagraph::size_type pos) const
{
#ifndef NEW_INSETS
	Assert(pos >= 0);
#else
	Assert(pos <= size());
	if (!size() || pos == size()) return '\0';
#endif

#ifndef NEW_INSETS
	if (pos < size()) {
#endif
		return text[pos];
#ifndef NEW_INSETS
	}
#endif
#ifndef NEW_INSETS
	// > because last is the next unused position, and you can 
	// use it if you want
	else if (pos > size()) {
		if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE) 
			return NextAfterFootnote()
				->GetChar(pos - text.size() - 1);
		else
			{
			lyxerr << "ERROR (LyXParagraph::GetChar const): "
				"position does not exist."
			       << pos << " (" << static_cast<int>(pos)
			       << ")\n";
			Assert(false);
		}
		return '\0';
	} else {
		// We should have a footnote environment.
		if (!next || next->footnoteflag == LyXParagraph::NO_FOOTNOTE) {
			// Notice that LyX does request the
			// last char from time to time. (Asger)
			//lyxerr << "ERROR (LyXParagraph::GetChar): "
			//	"expected footnote." << endl;
			return '\0';
		}
		switch (next->footnotekind) {
		case LyXParagraph::FOOTNOTE:
			return LyXParagraph::META_FOOTNOTE;
		case LyXParagraph::MARGIN:
			return LyXParagraph::META_MARGIN;
		case LyXParagraph::FIG:
		case LyXParagraph::WIDE_FIG:
			return LyXParagraph::META_FIG;
		case LyXParagraph::TAB:
		case LyXParagraph::WIDE_TAB:
			return LyXParagraph::META_TAB;
		case LyXParagraph::ALGORITHM:
			return LyXParagraph::META_ALGORITHM;
		}
		return '\0'; // to shut up gcc
	}
#endif
}


// return an string of the current word, and the end of the word in lastpos.
string const LyXParagraph::GetWord(LyXParagraph::size_type & lastpos) const
{
	Assert(lastpos >= 0);

	// the current word is defined as starting at the first character
	// from the immediate left of lastpospos which meets the definition
	// of IsLetter(), continuing to the last character to the right
	// of this meeting IsLetter.

    	string theword;

	// grab a word
		
	// move back until we have a letter

	//there's no real reason to have firstpos & lastpos as
	//separate variables as this is written, but maybe someon
	// will want to return firstpos in the future.

	//since someone might have typed a punctuation first
	int firstpos = lastpos;
 	
	while ((firstpos >= 0) && !IsLetter(firstpos))
		--firstpos;

	// now find the beginning by looking for a nonletter
	
	while ((firstpos>= 0) && IsLetter(firstpos))
		--firstpos;

	// the above is now pointing to the preceeding non-letter
	++firstpos;
	lastpos = firstpos;

	// so copy characters into theword  until we get a nonletter
	// note that this can easily exceed lastpos, wich means
	// that if used in the middle of a word, the whole word
	// is included

	while (IsLetter(lastpos)) theword += GetChar(lastpos++);
	
	return theword;

}


#ifdef NEW_INSETS
#warning Remember to get rid of this one. (Lgb)
#endif
LyXParagraph::size_type LyXParagraph::Last() const
{
#ifndef NEW_INSETS
	if (next && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
		return text.size() + NextAfterFootnote()->Last() + 1;
	// the 1 is the symbol
	// for the footnote
	else
#endif
		return text.size();
}


#ifndef NEW_INSETS
LyXParagraph * LyXParagraph::ParFromPos(LyXParagraph::size_type pos)
{
	// > because last is the next unused position, and you can 
	// use it if you want
	if (pos > size()) {
		if (next
		    && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) 
			return NextAfterFootnote()
				->ParFromPos(pos - text.size() - 1);
		else
			lyxerr << "ERROR (LyXParagraph::ParFromPos): "
				"position does not exist." << endl;
		return this;
	} else
		return this;
}
#endif


#ifndef NEW_INSETS
int LyXParagraph::PositionInParFromPos(LyXParagraph::size_type pos) const
{
	// > because last is the next unused position, and you can 
	// use it if you want
	if (pos > size()) {
		if (next
		    && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) 
			return NextAfterFootnote()
				->PositionInParFromPos(pos - text.size() - 1);
		else
			lyxerr <<
				"ERROR (LyXParagraph::PositionInParFromPos): "
				"position does not exist." << endl;
		return pos;
	}
	else
		return pos;
}
#endif


void LyXParagraph::SetFont(LyXParagraph::size_type pos,
			   LyXFont const & font)
{
#ifndef NEW_INSETS
	// > because last is the next unused position, and you can 
	// use it if you want
	if (pos > size()) {
		if (next &&
		    next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
			NextAfterFootnote()->SetFont(pos - text.size() - 1,
						     font);
		} else
			lyxerr << "ERROR (LyXParagraph::SetFont): "
				"position does not exist." << endl;
		
		return;
	}
#else
	Assert(pos <= size());
#endif

	// First, reduce font against layout/label font
	// Update: The SetCharFont() routine in text2.C already
	// reduces font, so we don't need to do that here. (Asger)
	// No need to simplify this because it will disappear
	// in a new kernel. (Asger)
	// Next search font table

	FontTable search_font(pos, LyXFont());
	FontList::iterator it = lower_bound(fontlist.begin(),
					    fontlist.end(),
					    search_font, matchFT());
	unsigned int i = it - fontlist.begin();
	bool notfound = it == fontlist.end();

	if (!notfound && fontlist[i].font == font)
		return;

	bool begin = pos == 0 || notfound ||
		(i > 0 && fontlist[i-1].pos == pos - 1);
	// Is position pos is a beginning of a font block?
	bool end = !notfound && fontlist[i].pos == pos;
	// Is position pos is the end of a font block?
	if (begin && end) { // A single char block
		if (i+1 < fontlist.size() &&
		    fontlist[i+1].font == font) {
			// Merge the singleton block with the next block
			fontlist.erase(fontlist.begin() + i);
			if (i > 0 && fontlist[i-1].font == font)
				fontlist.erase(fontlist.begin() + i-1);
		} else if (i > 0 && fontlist[i-1].font == font) {
			// Merge the singleton block with the previous block
			fontlist[i-1].pos = pos;
			fontlist.erase(fontlist.begin() + i);
		} else
			fontlist[i].font = font;
	} else if (begin) {
		if (i > 0 && fontlist[i-1].font == font)
			fontlist[i-1].pos = pos;
		else
			fontlist.insert(fontlist.begin() + i,
					FontTable(pos, font));
	} else if (end) {
		fontlist[i].pos = pos - 1;
		if (!(i+1 < fontlist.size() &&
		      fontlist[i+1].font == font))
			fontlist.insert(fontlist.begin() + i+1,
					FontTable(pos, font));
	} else { // The general case. The block is splitted into 3 blocks
		fontlist.insert(fontlist.begin() + i, 
				FontTable(pos - 1, fontlist[i].font));
		fontlist.insert(fontlist.begin() + i+1, FontTable(pos, font));
	}
}

   
// This function is able to hide closed footnotes.
LyXParagraph * LyXParagraph::Next()
{
#ifndef NEW_INSETS
	if (next && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
		LyXParagraph * tmp = next;
		while (tmp
		       && tmp->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
			tmp = tmp->next;
		if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE) 
			return tmp->Next(); /* there can be more than one
					       footnote in a logical
					       paragraph */
		else
			return next;  // This should never happen!
	} else
#endif
		return next;
}


#ifndef NEW_INSETS
LyXParagraph * LyXParagraph::NextAfterFootnote()
{
	if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
		LyXParagraph * tmp = next;
		while (tmp && tmp->footnoteflag != LyXParagraph::NO_FOOTNOTE)
			tmp = tmp->next;
		if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE) 
			return tmp;   /* there can be more than one footnote
					 in a logical paragraph */
		else
			return next;  // This should never happen!
	} else
		return next;
}
#endif


#ifndef NEW_INSETS
LyXParagraph const * LyXParagraph::NextAfterFootnote() const
{
	if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
		LyXParagraph * tmp = next;
		while (tmp && tmp->footnoteflag != LyXParagraph::NO_FOOTNOTE)
			tmp = tmp->next;
		if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE) 
			return tmp;   /* there can be more than one footnote
					 in a logical paragraph */
		else
			return next;  // This should never happen!
	} else
		return next;
}
#endif


#ifndef NEW_INSETS
LyXParagraph * LyXParagraph::PreviousBeforeFootnote()
{
	LyXParagraph * tmp;
	if (previous && previous->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
		tmp = previous;
		while (tmp && tmp->footnoteflag != LyXParagraph::NO_FOOTNOTE)
			tmp = tmp->previous;
		if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE) 
			return tmp;    /* there can be more than one footnote
					  in a logical paragraph */
		else
			return previous;  // This should never happen!
	} else
		return previous;
}
#endif


#ifndef NEW_INSETS
LyXParagraph * LyXParagraph::LastPhysicalPar()
{
	if (footnoteflag != LyXParagraph::NO_FOOTNOTE)
		return this;
   
	LyXParagraph * tmp = this;
	while (tmp->next
	       && tmp->next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
		tmp = tmp->NextAfterFootnote();
   
	return tmp;
}
#endif


#ifndef NEW_INSETS
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;
}
#endif


#ifndef NEW_INSETS
LyXParagraph * LyXParagraph::FirstPhysicalPar()
{
	if (!IsDummy())
		return this;
	LyXParagraph * tmppar = this;

	while (tmppar &&
	       (tmppar->IsDummy()
		|| tmppar->footnoteflag != LyXParagraph::NO_FOOTNOTE))
		tmppar = tmppar->previous;
   
	if (!tmppar) {
		return this;
	} else
		return tmppar;
}
#endif


#ifndef NEW_INSETS
LyXParagraph const * LyXParagraph::FirstPhysicalPar() const
{
	if (!IsDummy())
		return this;
	LyXParagraph const * tmppar = this;

	while (tmppar &&
	       (tmppar->IsDummy()
		|| tmppar->footnoteflag != LyXParagraph::NO_FOOTNOTE))
		tmppar = tmppar->previous;
   
	if (!tmppar) {
		return this;
	} else
		return tmppar;
}
#endif


// This function is able to hide closed footnotes.
LyXParagraph * LyXParagraph::Previous()
{
#ifndef NEW_INSETS
	LyXParagraph * tmp = previous;
	if (!tmp)
		return tmp;

	if (tmp->previous
	    && tmp->previous->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
		tmp = tmp->previous;
		while (tmp
		       && tmp->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
			tmp = tmp->previous;
		if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE) 
			return tmp->next->Previous();	

		else
			return previous; 
	} else
#endif
		return previous;
}


// This function is able to hide closed footnotes.
LyXParagraph const * LyXParagraph::Previous() const
{
#ifndef NEW_INSETS
	LyXParagraph * tmp = previous;
	if (!tmp)
		return tmp;
	if (tmp->previous
	    && tmp->previous->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
		tmp = tmp->previous;
		while (tmp
		       && tmp->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
			tmp = tmp->previous;
		if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE) 
			return tmp->next->Previous();	

		else
			return previous; 
	} else
#endif
		return previous;
}


void LyXParagraph::BreakParagraph(BufferParams const & bparams,
				  LyXParagraph::size_type pos,
				  int flag)
{
	size_type i;
	size_type j;
	// create a new paragraph
#ifndef NEW_INSETS
	size_type pos_end;
	size_type pos_first;
	LyXParagraph * par = ParFromPos(pos);
	LyXParagraph * firstpar = FirstPhysicalPar();
   
	LyXParagraph * tmp = new LyXParagraph(par);
#else
	//LyXParagraph * par = this;
	//LyXParagraph * firstpar = this;
	LyXParagraph * tmp = new LyXParagraph(this);
#endif

#ifndef NEW_INSETS
	tmp->footnoteflag = footnoteflag;
	tmp->footnotekind = footnotekind;
#endif
	// this is an idea for a more userfriendly layout handling, I will
	// see what the users say

#ifndef NEW_INSETS
	// layout stays the same with latex-environments
	if (flag) {
		tmp->SetOnlyLayout(bparams, firstpar->layout);
		tmp->SetLabelWidthString(firstpar->labelwidthstring);
	}
#else
	// layout stays the same with latex-environments
	if (flag) {
		tmp->SetOnlyLayout(bparams, layout);
		tmp->SetLabelWidthString(labelwidthstring);
	}
#endif
#ifndef NEW_INSETS
	if (Last() > pos || !Last() || flag == 2) {
		tmp->SetOnlyLayout(bparams, firstpar->layout);
		tmp->align = firstpar->align;
		tmp->SetLabelWidthString(firstpar->labelwidthstring);
      
		tmp->line_bottom = firstpar->line_bottom;
		firstpar->line_bottom = false;
		tmp->pagebreak_bottom = firstpar->pagebreak_bottom;
		firstpar->pagebreak_bottom = false;
		tmp->added_space_bottom = firstpar->added_space_bottom;
		firstpar->added_space_bottom = VSpace(VSpace::NONE);
      
		tmp->depth = firstpar->depth;
		tmp->noindent = firstpar->noindent;
#else
	if (Last() > pos || !Last() || flag == 2) {
		tmp->SetOnlyLayout(bparams, layout);
		tmp->align = align;
		tmp->SetLabelWidthString(labelwidthstring);
      
		tmp->line_bottom = line_bottom;
		line_bottom = false;
		tmp->pagebreak_bottom = pagebreak_bottom;
		pagebreak_bottom = false;
		tmp->added_space_bottom = added_space_bottom;
		added_space_bottom = VSpace(VSpace::NONE);
      
		tmp->depth = depth;
		tmp->noindent = noindent;
#endif
		// copy everything behind the break-position
		// to the new paragraph
#ifndef NEW_INSETS
		pos_first = 0;
		while (ParFromPos(pos_first) != par)
			++pos_first;
		pos_end = pos_first + par->text.size() - 1;


		for (i = j = pos; i <= pos_end; ++i) {
			par->CutIntoMinibuffer(bparams, i - pos_first);
			if (tmp->InsertFromMinibuffer(j - pos))
				++j;
		}
		tmp->text.resize(tmp->text.size());
		for (i = pos_end; i >= pos; --i)
			par->Erase(i - pos_first);

		par->text.resize(par->text.size());
#else
		size_type pos_end = text.size() - 1;
		
		for (i = j = pos; i <= pos_end; ++i) {
			CutIntoMinibuffer(bparams, i);
			if (tmp->InsertFromMinibuffer(j - pos))
				++j;
		}
		tmp->fitToSize();
		for (i = pos_end; i >= pos; --i)
			Erase(i);

		fitToSize();
#endif
	}

#ifndef NEW_INSETS
	// just an idea of me
	if (!pos) {
		tmp->line_top = firstpar->line_top;
		tmp->pagebreak_top = firstpar->pagebreak_top;
		tmp->added_space_top = firstpar->added_space_top;
		tmp->bibkey = firstpar->bibkey;
		firstpar->Clear();
		// layout stays the same with latex-environments
		if (flag) {
			firstpar->SetOnlyLayout(bparams, tmp->layout);
			firstpar->SetLabelWidthString(tmp->labelwidthstring);
			firstpar->depth = tmp->depth;
		}
	}
#else
	// just an idea of me
	if (!pos) {
		tmp->line_top = line_top;
		tmp->pagebreak_top = pagebreak_top;
		tmp->added_space_top = added_space_top;
		tmp->bibkey = bibkey;
		Clear();
		// layout stays the same with latex-environments
		if (flag) {
			SetOnlyLayout(bparams, tmp->layout);
			SetLabelWidthString(tmp->labelwidthstring);
			depth = tmp->depth;
		}
	}
#endif
}


void LyXParagraph::MakeSameLayout(LyXParagraph const * par)
{
#ifndef NEW_INSETS
	par = par->FirstPhysicalPar();
	footnoteflag = par->footnoteflag;
	footnotekind = par->footnotekind;
#endif
	layout = par->layout;
	align = par-> align;
	SetLabelWidthString(par->labelwidthstring);

	line_bottom = par->line_bottom;
	pagebreak_bottom = par->pagebreak_bottom;
	added_space_bottom = par->added_space_bottom;

	line_top = par->line_top;
	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;
        pextra_alignment = par->pextra_alignment;
        pextra_hfill = par->pextra_hfill;
        pextra_start_minipage = par->pextra_start_minipage;

	noindent = par->noindent;
	depth = par->depth;
}


#ifndef NEW_INSETS
LyXParagraph * LyXParagraph::FirstSelfrowPar()
{
	LyXParagraph * tmppar = this;
	while (tmppar && (
		(tmppar->IsDummy()
		 && tmppar->previous->footnoteflag == 
		 LyXParagraph::CLOSED_FOOTNOTE)
		|| tmppar->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE))
		tmppar = tmppar->previous;
   
	if (!tmppar)
		return this;  // This should never happen!
	else
		return tmppar;
}
#endif


int LyXParagraph::StripLeadingSpaces(LyXTextClassList::size_type tclass) 
{
	if (textclasslist.Style(tclass, GetLayout()).free_spacing)
		return 0;
	
	int i = 0;
#ifndef NEW_INSETS
	if (!IsDummy()) {
#endif
		while (Last()
		       && (IsNewline(0) || IsLineSeparator(0))){
			Erase(0);
			++i;
		}
#ifndef NEW_INSETS
	}
#endif
	return i;
}


LyXParagraph * LyXParagraph::Clone() const
{
	// create a new paragraph
	LyXParagraph * result = new LyXParagraph;
   
	result->MakeSameLayout(this);

	// this is because of the dummy layout of the paragraphs that
	// follow footnotes
	result->layout = layout;

	result->inset_owner = inset_owner;
   
        // ale970302
	if (bibkey)
		result->bibkey = static_cast<InsetBibKey *>
			         (bibkey->Clone(*current_view->buffer()));
	else
		result->bibkey = 0;
    
	// copy everything behind the break-position to the new paragraph

	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(*current_view->buffer());
	return result;
}


bool LyXParagraph::HasSameLayout(LyXParagraph const * par) const
{
#ifndef NEW_INSETS
	par = par->FirstPhysicalPar();
#endif

	return (
#ifndef NEW_INSETS
		par->footnoteflag == footnoteflag &&
		par->footnotekind == footnotekind &&
#endif
		par->layout == layout &&

		par->align == align &&

		par->line_bottom == line_bottom &&
		par->pagebreak_bottom == pagebreak_bottom &&
		par->added_space_bottom == added_space_bottom &&

		par->line_top == line_top &&
		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 && 
                par->pextra_alignment == pextra_alignment && 
                par->pextra_hfill == pextra_hfill && 
                par->pextra_start_minipage == pextra_start_minipage && 
		par->noindent == noindent &&
		par->depth == depth);
}


void LyXParagraph::BreakParagraphConservative(BufferParams const & bparams,
					      LyXParagraph::size_type pos)
{
#ifndef NEW_INSETS
	// create a new paragraph
	LyXParagraph * par = ParFromPos(pos);

	LyXParagraph * tmp = new LyXParagraph(par);
   
	tmp->MakeSameLayout(par);

	// When can pos < Last()?
	// I guess pos == Last() is possible.
	if (Last() > pos) {
		// copy everything behind the break-position to the new
		// paragraph
		size_type pos_first = 0;
		while (ParFromPos(pos_first) != par)
			++pos_first;
		size_type pos_end = pos_first + par->text.size() - 1;

		size_type i, j;
		for (i = j = pos; i <= pos_end; ++i) {
			par->CutIntoMinibuffer(bparams, i - pos_first);
			if (tmp->InsertFromMinibuffer(j - pos))
				++j;
		}
		tmp->text.resize(tmp->text.size());
		for (size_type i = pos_end; i >= pos; --i)
			par->Erase(i - pos_first);

		par->text.resize(par->text.size());
	}
#else
	// create a new paragraph
	LyXParagraph * tmp = new LyXParagraph(this);
	tmp->MakeSameLayout(this);

	// When can pos > Last()?
	// I guess pos == Last() is possible.
	if (Last() > pos) {
		// copy everything behind the break-position to the new
		// paragraph
		size_type pos_end = text.size() - 1;

		size_type i, j;
		for (i = j = pos; i <= pos_end; ++i) {
			CutIntoMinibuffer(bparams, i);
			if (tmp->InsertFromMinibuffer(j - pos))
				++j;
		}

		tmp->fitToSize();
		
		for (size_type i = pos_end; i >= pos; --i)
			Erase(i);

		fitToSize();
	}
#endif
}
   

// Be carefull, this does not make any check at all.
// This method has wrong name, it combined this par with the next par.
// In that sense it is the reverse of break paragraph. (Lgb)
void LyXParagraph::PasteParagraph(BufferParams const & bparams)
{
	// copy the next paragraph to this one
	LyXParagraph * the_next = Next();
#ifndef NEW_INSETS   
	LyXParagraph * firstpar = FirstPhysicalPar();
#endif
   
	// first the DTP-stuff
#ifndef NEW_INSETS
	firstpar->line_bottom = the_next->line_bottom;
	firstpar->added_space_bottom = the_next->added_space_bottom;
	firstpar->pagebreak_bottom = the_next->pagebreak_bottom;
#else
	line_bottom = the_next->line_bottom;
	added_space_bottom = the_next->added_space_bottom;
	pagebreak_bottom = the_next->pagebreak_bottom;
#endif

	size_type pos_end = the_next->text.size() - 1;
	size_type pos_insert = Last();

	// ok, now copy the paragraph
	size_type i, j;
	for (i = j = 0; i <= pos_end; ++i) {
		the_next->CutIntoMinibuffer(bparams, i);
		if (InsertFromMinibuffer(pos_insert + j))
			++j;
	}
   
	// delete the next paragraph
	LyXParagraph * ppar = the_next->previous;
	LyXParagraph * npar = the_next->next;
	delete the_next;
	ppar->next = npar;
}


#ifndef NEW_INSETS
void LyXParagraph::OpenFootnote(LyXParagraph::size_type pos)
{
	LyXParagraph * par = ParFromPos(pos);
	par = par->next;
	while (par && par->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
		par->footnoteflag = LyXParagraph::OPEN_FOOTNOTE;
		par = par->next;
	}
}


void LyXParagraph::CloseFootnote(LyXParagraph::size_type pos)
{
	LyXParagraph * par = ParFromPos(pos);
	par = par->next;
	while (par && par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE) {
		par->footnoteflag = LyXParagraph::CLOSED_FOOTNOTE;
		par = par->next;
	}
}
#endif


int LyXParagraph::GetEndLabel(BufferParams const & bparams) const
{
	LyXParagraph const * par = this;
	int par_depth = GetDepth();
	while (par) {
		LyXTextClass::LayoutList::size_type layout = par->GetLayout();
		int const endlabeltype =
			textclasslist.Style(bparams.textclass,
					    layout).endlabeltype;
		if (endlabeltype != END_LABEL_NO_LABEL) {
			LyXParagraph const * last = this;
#ifndef NEW_INSETS
			if( footnoteflag == NO_FOOTNOTE)
				last = LastPhysicalPar();
			else if (next->footnoteflag == NO_FOOTNOTE)
				return endlabeltype;
#else
			last = this;
#endif

			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
{
#ifndef NEW_INSETS
	return FirstPhysicalPar()->layout;
#else
	return layout;
#endif
}


char LyXParagraph::GetDepth() const
{
#ifndef NEW_INSETS
	return FirstPhysicalPar()->depth;
#else
	return depth;
#endif
}


char LyXParagraph::GetAlign() const
{
#ifndef NEW_INSETS
	return FirstPhysicalPar()->align;
#else
	return align;
#endif
}


string const & LyXParagraph::GetLabelstring() const
{
#ifndef NEW_INSETS
	return FirstPhysicalPar()->labelstring;
#else
	return labelstring;
#endif
}


int LyXParagraph::GetFirstCounter(int i) const
{
#ifndef NEW_INSETS
	return FirstPhysicalPar()->counter_[i];
#else
	return counter_[i];
#endif
}


// the next two functions are for the manual labels
string const LyXParagraph::GetLabelWidthString() const
{
#ifndef NEW_INSETS
	if (!FirstPhysicalPar()->labelwidthstring.empty())
		return FirstPhysicalPar()->labelwidthstring;
#else
	if (!labelwidthstring.empty())
		return labelwidthstring;
#endif
	else
		return _("Senseless with this layout!");
}


void LyXParagraph::SetLabelWidthString(string const & s)
{
#ifndef NEW_INSETS
	LyXParagraph * par = FirstPhysicalPar();

	par->labelwidthstring = s;
#else
	labelwidthstring = s;
#endif
}


void LyXParagraph::SetOnlyLayout(BufferParams const & bparams,
				 LyXTextClass::size_type new_layout)
{
#ifndef NEW_INSETS
	LyXParagraph * par = FirstPhysicalPar();
#else
	LyXParagraph * par = this;
#endif
	LyXParagraph * ppar = 0;
	LyXParagraph * npar = 0;

	par->layout = new_layout;

        if (par->pextra_type == PEXTRA_NONE) {
                if (par->Previous()) {
#ifndef NEW_INSETS
                        ppar = par->Previous()->FirstPhysicalPar();
#else
			ppar = par->Previous();
#endif
                        while(ppar
			      && ppar->Previous()
			      && (ppar->depth > par->depth))
#ifndef NEW_INSETS
                                ppar = ppar->Previous()->FirstPhysicalPar();
#else
			ppar = ppar->Previous();
#endif
                }
                if (par->Next()) {
#ifndef NEW_INSETS
                        npar = par->Next()->NextAfterFootnote();
#else
			npar = par->Next();
#endif
                        while(npar
			      && npar->Next()
			      && (npar->depth > par->depth))
#ifndef NEW_INSETS
                                npar = npar->Next()->NextAfterFootnote();
#else
			npar = npar->Next();
#endif
                }
                if (ppar && (ppar->pextra_type != PEXTRA_NONE)) {
                        string
                                p1 = ppar->pextra_width,
                                p2 = ppar->pextra_widthp;
                        ppar->SetPExtraType(bparams, ppar->pextra_type,
                                            p1, p2);
                }
                if ((par->pextra_type == PEXTRA_NONE) &&
                    npar && (npar->pextra_type != PEXTRA_NONE)) {
                        string
                                p1 = npar->pextra_width,
                                p2 = npar->pextra_widthp;
                        npar->SetPExtraType(bparams, npar->pextra_type,
                                            p1, p2);
                }
        }
}


void LyXParagraph::SetLayout(BufferParams const & bparams,
			     LyXTextClass::size_type new_layout)
{
	LyXParagraph
#ifndef NEW_INSETS
		* par = FirstPhysicalPar(),
#else
		* par = this,
#endif
		* ppar = 0,
		* npar = 0;

        par->layout = new_layout;
	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);

        if (par->pextra_type == PEXTRA_NONE) {
                if (par->Previous()) {
#ifndef NEW_INSETS
                        ppar = par->Previous()->FirstPhysicalPar();
#else
			ppar = par->Previous();
#endif
                        while(ppar
			      && ppar->Previous()
			      && (ppar->depth > par->depth))
#ifndef NEW_INSETS
                                ppar = ppar->Previous()->FirstPhysicalPar();
#else
			ppar = ppar->Previous();
#endif
                }
                if (par->Next()) {
#ifndef NEW_INSETS
                        npar = par->Next()->NextAfterFootnote();
#else
			npar = par->Next();
#endif
                        while(npar
			      && npar->Next()
			      && (npar->depth > par->depth))
#ifndef NEW_INSETS
                                npar = npar->Next()->NextAfterFootnote();
#else
			npar = npar->Next();
#endif
                }
                if (ppar && (ppar->pextra_type != PEXTRA_NONE)) {
                        string
                                p1 = ppar->pextra_width,
                                p2 = ppar->pextra_widthp;
                        ppar->SetPExtraType(bparams, ppar->pextra_type,
                                            p1, p2);
                }
                if ((par->pextra_type == PEXTRA_NONE) &&
                    npar && (npar->pextra_type != PEXTRA_NONE)) {
                        string
                                p1 = npar->pextra_width,
                                p2 = npar->pextra_widthp;
                        npar->SetPExtraType(bparams, npar->pextra_type,
                                            p1, p2);
                }
        }
}


// if the layout of a paragraph contains a manual label, the beginning of the 
// main body is the beginning of the second word. This is what the par-
// function returns. If the layout does not contain a label, the main
// body always starts with position 0. This differentiation is necessary,
// because there cannot be a newline or a blank <= the beginning of the 
// main body in TeX.

int LyXParagraph::BeginningOfMainBody() const
{
#ifndef NEW_INSETS
	if (FirstPhysicalPar() != this)
		return -1;
#endif
	// Unroll the first two cycles of the loop
	// and remember the previous character to
	// remove unnecessary GetChar() calls
	size_type i = 0;
	if (i < size()
	    && GetChar(i) != LyXParagraph::META_NEWLINE
		) {
		++i;
		char previous_char = 0, temp = 0; 
		if (i < size()
		    && (previous_char = GetChar(i)) != LyXParagraph::META_NEWLINE) {
			// Yes, this  ^ is supposed to be "= " not "=="
			++i;
			while (i < size()
			       && previous_char != ' '
			       && (temp = GetChar(i)) != LyXParagraph::META_NEWLINE) {
				++i;
				previous_char = temp;
			}
		}
	}

#ifndef NEW_INSETS
	if (i == 0 && i == size() &&
	    !(footnoteflag == LyXParagraph::NO_FOOTNOTE
	      && next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE))
		++i;			       /* the cursor should not jump  
						* to the main body if there
						* is nothing in! */
#endif
	return i;
}


LyXParagraph * LyXParagraph::DepthHook(int deth)
{
	LyXParagraph * newpar = this;
	if (deth < 0)
		return 0;
   
	do {
#ifndef NEW_INSETS
		newpar = newpar->FirstPhysicalPar()->Previous();
#else
		newpar = newpar->Previous();
#endif
	} while (newpar && newpar->GetDepth() > deth
#ifndef NEW_INSETS
		 && newpar->footnoteflag == footnoteflag
#endif
		);
   
	if (!newpar) {
		if (Previous() || GetDepth())
			lyxerr << "ERROR (LyXParagraph::DepthHook): "
				"no hook." << endl;
		newpar = this;
	}
#ifndef NEW_INSETS
	return newpar->FirstPhysicalPar();
#else
	return newpar;
#endif
}


LyXParagraph const * LyXParagraph::DepthHook(int deth) const
{
	LyXParagraph const * newpar = this;
	if (deth < 0)
		return 0;
   
	do {
#ifndef NEW_INSETS
		newpar = newpar->FirstPhysicalPar()->Previous();
#else
		newpar = newpar->Previous();
#endif
	} while (newpar && newpar->GetDepth() > deth
#ifndef NEW_INSETS
		 && newpar->footnoteflag == footnoteflag
#endif
		);
   
	if (!newpar) {
		if (Previous() || GetDepth())
			lyxerr << "ERROR (LyXParagraph::DepthHook): "
				"no hook." << endl;
		newpar = this;
	}
#ifndef NEW_INSETS
	return newpar->FirstPhysicalPar();
#else
	return newpar;
#endif
}


int LyXParagraph::AutoDeleteInsets()
{
	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 count;
}


LyXParagraph::inset_iterator
LyXParagraph::InsetIterator(LyXParagraph::size_type pos)
{
	InsetTable search_inset(pos, 0);
	InsetList::iterator it = lower_bound(insetlist.begin(),
					     insetlist.end(),
					     search_inset, matchIT());
	return inset_iterator(it);
}


// returns -1 if inset not found
int LyXParagraph::GetPositionOfInset(Inset * inset) const
{
	// Find the entry.
	for (InsetList::const_iterator cit = insetlist.begin();
	     cit != insetlist.end(); ++cit) {
		if ((*cit).inset == inset) {
			return (*cit).pos;
		}
	}
#ifndef NEW_INSETS
	// Think about footnotes.
	if (footnoteflag == LyXParagraph::NO_FOOTNOTE 
	    && next && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
		int further = 
			NextAfterFootnote()->GetPositionOfInset(inset);
		if (further != -1)
			return text.size() + 1 + further;
	}
#endif
	return -1;
}


LyXParagraph * LyXParagraph::TeXOnePar(Buffer const * buf,
				       BufferParams const & bparams,
				       ostream & os, TexRow & texrow,
				       bool moving_arg
#ifndef NEW_INSETS
				       , 
				       ostream & foot,
				       TexRow & foot_texrow,
				       int & foot_count
#endif
	)
{
	lyxerr[Debug::LATEX] << "TeXOnePar...     " << this << endl;
	LyXLayout const & style =
		textclasslist.Style(bparams.textclass,
				    layout);

	bool further_blank_line = false;
#ifndef NEW_INSETS
	if (IsDummy())
		lyxerr << "ERROR (LyXParagraph::TeXOnePar) is dummy." << endl;
#endif

	if (start_of_appendix) {
		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()){
		os << '\n';
		texrow.newline();
	}

	if (pagebreak_top) {
		os << "\\newpage";
		further_blank_line = true;
	}
	if (added_space_top.kind() != VSpace::NONE) {
		os << added_space_top.asLatexCommand(bparams);
		further_blank_line = true;
	}
      
	if (line_top) {
		os << "\\lyxline{\\" << getFont(bparams, 0).latexSize() << '}'
		   << "\\vspace{-1\\parskip}";
		further_blank_line = true;
	}

	if (further_blank_line){
		os << '\n';
		texrow.newline();
	}

	Language const * language = getParLanguage(bparams);
	Language const * doc_language = bparams.language;
	Language const * previous_language = previous
		? previous->getParLanguage(bparams) : doc_language;
	if (language->babel() != doc_language->babel() &&
	    language->babel() != previous_language->babel()) {
		os << subst(lyxrc.language_command_begin, "$$lang",
			    language->babel())
		   << endl;
		texrow.newline();
	}

	if (bparams.inputenc == "auto" &&
	    language->encoding() != previous_language->encoding()) {
		os << "\\inputencoding{"
		   << language->encoding()->LatexName()
		   << "}" << endl;
		texrow.newline();
	}
	
	switch (style.latextype) {
	case LATEX_COMMAND:
		os << '\\'
		   << style.latexname()
		   << style.latexparam();
		break;
	case LATEX_ITEM_ENVIRONMENT:
	        if (bibkey) {
			bibkey->Latex(buf, os, false, false);
		} else
			os << "\\item ";
		break;
	case LATEX_LIST_ENVIRONMENT:
		os << "\\item ";
		break;
	default:
		break;
	}

	bool need_par = SimpleTeXOnePar(buf, bparams, os, texrow, moving_arg);
 
	LyXParagraph * par = next;
#ifndef NEW_INSETS
	// Spit out footnotes
	if (lyxrc.rtl_support) {
		if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE
		    && next->footnoteflag != footnoteflag) {
			LyXParagraph * p = 0;
			bool is_rtl = (size() > 0) 
				? GetFontSettings(bparams,
						  size()-1).isRightToLeft()
				: language->RightToLeft();
			if ( (p = NextAfterFootnote()) != 0 &&
			     p->size() > 0 &&
			     p->GetFontSettings(bparams, 0).isRightToLeft() != is_rtl)
				is_rtl = getParLanguage(bparams)->RightToLeft();
			while (par && par->footnoteflag != LyXParagraph::NO_FOOTNOTE
			       && par->footnoteflag != footnoteflag) {
				par = par->TeXFootnote(buf, bparams,
						       os, texrow, foot,
						       foot_texrow, foot_count,
						       is_rtl);
				par->SimpleTeXOnePar(buf, bparams,
						     os, texrow, moving_arg);
				is_rtl = (par->size() > 0)
					? par->GetFontSettings(bparams,
							       par->size()-1).isRightToLeft()
					: language->RightToLeft();
				if (par->next &&
				    par->next->footnoteflag != LyXParagraph::NO_FOOTNOTE &&
				    (p = par->NextAfterFootnote()) != 0 &&
				    p->size() > 0 &&
				    p->GetFontSettings(bparams, 0).isRightToLeft() != is_rtl)
					is_rtl = language->RightToLeft();
				par = par->next;
			}
		}
	} else {
		while (par && par->footnoteflag != LyXParagraph::NO_FOOTNOTE
		       && par->footnoteflag != footnoteflag) {
			par = par->TeXFootnote(buf, bparams,
					       os, texrow,
					       foot, foot_texrow, foot_count,
					       false);
			par->SimpleTeXOnePar(buf, bparams, os, texrow, moving_arg);
			par = par->next;
		}
	}
#endif

	// Make sure that \\par is done with the font of the last
	// character if this has another size as the default.
	// This is necessary because LaTeX (and LyX on the screen)
	// calculates the space between the baselines according
	// to this font. (Matthias)
	LyXFont font = getFont(bparams, Last() - 1);
	if (need_par && next) {
		if (style.resfont.size() != font.size()) {
			os << '\\'
			   << font.latexSize()
			   << ' ';
		}
		os << "\\par}";
	} else if (textclasslist.Style(bparams.textclass,
				       GetLayout()).isCommand()) {
		if (style.resfont.size() != font.size()) {
			os << '\\'
			   << font.latexSize()
			   << ' ';
		}
		os << '}';
	} else if ((style.resfont.size() != font.size()) && next){
		os << "{\\" << font.latexSize() << " \\par}";
	}

	if (language->babel() != doc_language->babel() &&
	    (!par
#ifndef NEW_INSETS
	     || (footnoteflag != NO_FOOTNOTE && par->footnoteflag != footnoteflag)
#endif
	     || par->getParLanguage(bparams)->babel() != language->babel())) {
		os << endl 
		   << subst(lyxrc.language_command_end, "$$lang",
			    doc_language->babel());
	}
	
	switch (style.latextype) {
	case LATEX_ITEM_ENVIRONMENT:
	case LATEX_LIST_ENVIRONMENT:
                if (par && (depth < par->depth)) {
                        os << '\n';
                        texrow.newline();
                }
		break;
	case LATEX_ENVIRONMENT:
		// if its the last paragraph of the current environment
		// skip it otherwise fall through
		if (par
		    && (par->layout != layout
			|| par->depth != depth
			|| par->pextra_type != pextra_type))
			break;
	default:
		// we don't need it for the last paragraph!!!
		if (next) {
			os << '\n';
			texrow.newline();
		}
	}
	
	further_blank_line = false;
	if (line_bottom) {
		os << "\\lyxline{\\" << getFont(bparams, Last() - 1).latexSize() << '}';
		further_blank_line = true;
	}

	if (added_space_bottom.kind() != VSpace::NONE) {
		os << added_space_bottom.asLatexCommand(bparams);
		further_blank_line = true;
	}
      
	if (pagebreak_bottom) {
		os << "\\newpage";
		further_blank_line = true;
	}

	if (further_blank_line){
		os << '\n';
		texrow.newline();
	}

	if (!spacing.isDefault()
	    && (!par || !par->HasSameLayout(this))) {
		os << spacing.writeEnvirEnd() << "\n";
		texrow.newline();
	}
	
	// we don't need it for the last paragraph!!!
	if (next
#ifndef NEW_INSETS
	    && !(footnoteflag != LyXParagraph::NO_FOOTNOTE && par &&
              par->footnoteflag == LyXParagraph::NO_FOOTNOTE)
#endif
		) {
		os << '\n';
		texrow.newline();
	}

	lyxerr[Debug::LATEX] << "TeXOnePar...done " << par << endl;
	return par;
}


// This one spits out the text of the paragraph
bool LyXParagraph::SimpleTeXOnePar(Buffer const * buf,
				   BufferParams const & bparams,
				   ostream & os, TexRow & texrow,
				   bool moving_arg)
{
	lyxerr[Debug::LATEX] << "SimpleTeXOnePar...     " << this << endl;

	bool return_value = false;

	LyXLayout const & style =
		textclasslist.Style(bparams.textclass,
				    GetLayout());
	LyXFont basefont, last_font;

	// Maybe we have to create a optional argument.
	size_type main_body;
	if (style.labeltype != LABEL_MANUAL)
		main_body = 0;
	else
		main_body = BeginningOfMainBody();

	if (main_body > 0) {
		os << '[';
		basefont = getFont(bparams, -2); // Get label font
	} else {
		basefont = getFont(bparams, -1); // Get layout font
	}

	int column = 0;

	if (main_body >= 0
	    && !text.size()
#ifndef NEW_INSETS
	    && !IsDummy()
#endif
		) {
		if (style.isCommand()) {
			os << '{';
			++column;
		} else if (align != LYX_ALIGN_LAYOUT) {
			os << '{';
			++column;
			return_value = true;
		}
	}

	moving_arg |= style.needprotect;
 
	// Which font is currently active?
	LyXFont running_font(basefont);
	// Do we have an open font change?
	bool open_font = false;

	texrow.start(this, 0);

	for (size_type i = 0; i < size(); ++i) {
		++column;
		// First char in paragraph or after label?
		if (i == main_body
#ifndef NEW_INSETS
		    && !IsDummy()
#endif
			) {
			if (main_body > 0) {
				if (open_font) {
					column += running_font.latexWriteEndChanges(os, basefont, basefont);
					open_font = false;
				}
				basefont = getFont(bparams, -1); // Now use the layout font
				running_font = basefont;
				os << ']';
				++column;
			}
			if (style.isCommand()) {
				os << '{';
				++column;
			} else if (align != LYX_ALIGN_LAYOUT) {
				os << "{\\par";
				column += 4;
				return_value = true;
			}

			if (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_LEFT:
				if (getParLanguage(bparams)->babel() != "hebrew") {
					os << "\\raggedright ";
					column+= 13;
				} else {
					os << "\\raggedleft ";
					column+= 12;
				}
				break;
			case LYX_ALIGN_RIGHT:
				if (getParLanguage(bparams)->babel() != "hebrew") {
					os << "\\raggedleft ";
					column+= 12;
				} else {
					os << "\\raggedright ";
					column+= 13;
				}
				break;
			case LYX_ALIGN_CENTER:
				os << "\\centering ";
				column+= 11;
				break;
			}	 
		}

		value_type c = GetChar(i);

		// Fully instantiated font
		LyXFont font = getFont(bparams, i);
#ifndef NEW_INSETS
		LyXParagraph * p = 0;
		if (i == 0
		    && previous && 
		    previous->footnoteflag != LyXParagraph::NO_FOOTNOTE &&
		    (p = PreviousBeforeFootnote()) != 0)
			last_font = p->getFont(bparams, p->size() - 1);
		else
#endif
			last_font = running_font;

		// Spaces at end of font change are simulated to be
		// outside font change, i.e. we write "\textXX{text} "
		// rather than "\textXX{text }". (Asger)
		if (open_font && c == ' ' && i <= size() - 2 
		    && !getFont(bparams, i + 1).equalExceptLatex(running_font) 
		    && !getFont(bparams, i + 1).equalExceptLatex(font)) {
			font = getFont(bparams, i + 1);
		}
		// We end font definition before blanks
		if (!font.equalExceptLatex(running_font) && open_font) {
			column += running_font.latexWriteEndChanges(os,
								    basefont,
								    (i == main_body-1) ? basefont : font);
			running_font = basefont;
			open_font = false;
		}

		// Blanks are printed before start of fontswitch
		if (c == ' ') {
			// Do not print the separation of the optional argument
			if (i != main_body - 1) {
				SimpleTeXBlanks(os, texrow, i,
						column, font, style);
			}
		}

		// Do we need to change font?
		if (!font.equalExceptLatex(running_font)
		    && i != main_body-1) {
			column += font.latexWriteStartChanges(os, basefont,
							      last_font);
			running_font = font;
			open_font = true;
		}

		if (c == LyXParagraph::META_NEWLINE) {
			// newlines are handled differently here than
			// the default in SimpleTeXSpecialChars().
			if (!style.newline_allowed
			    || font.latex() == LyXFont::ON) {
				os << '\n';
			} else {
				if (open_font) {
					column += running_font.latexWriteEndChanges(os, basefont, basefont);
					open_font = false;
				}
				basefont = getFont(bparams, -1);
				running_font = basefont;
				if (font.family() == 
				    LyXFont::TYPEWRITER_FAMILY) {
					os << "~";
				}
				if (moving_arg)
					os << "\\protect ";
				os << "\\\\\n";
			}
			texrow.newline();
			texrow.start(this, i + 1);
			column = 0;
		} else {
			SimpleTeXSpecialChars(buf, bparams,
					      os, texrow, moving_arg,
					      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) {
		LyXParagraph * p = 0;
		if (next
#ifndef NEW_INSETS
		    && next->footnoteflag != LyXParagraph::NO_FOOTNOTE
		    && (p =  NextAfterFootnote()) != 0
#else
			&& (p = next)
#endif
		)
			running_font.latexWriteEndChanges(os, basefont,
							  p->getFont(bparams, 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()) {
		os << "]~";
		return_value = false;
	}

	lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
	return return_value;
}


bool LyXParagraph::linuxDocConvertChar(char c, string & sgml_string)
{
	bool retval = false;
	switch (c) {
	case LyXParagraph::META_HFILL:
		sgml_string.erase();
		break;
	case LyXParagraph::META_NEWLINE:
		sgml_string = '\n';
		break;
	case '&': 
		sgml_string = "&amp;";
		break;
	case '<': 
		sgml_string = "&lt;"; 
		break;
	case '>':
		sgml_string = "&gt;"; 
		break;
	case '$': 
		sgml_string = "&dollar;"; 
		break;
	case '#': 
		sgml_string = "&num;";
		break;
	case '%': 
		sgml_string = "&percnt;";
		break;
	case '[': 
		sgml_string = "&lsqb;";
		break;
	case ']': 
		sgml_string = "&rsqb;";
		break;
	case '{': 
		sgml_string = "&lcub;";
		break;
	case '}': 
		sgml_string = "&rcub;";
		break;
	case '~': 
		sgml_string = "&tilde;";
		break;
	case '"': 
		sgml_string = "&quot;";
		break;
	case '\\': 
		sgml_string = "&bsol;";
		break;
	case ' ':
		retval = true;
		sgml_string = ' ';
		break;
	case '\0': // Ignore :-)
		sgml_string.erase();
		break;
	default:
		sgml_string = c;
		break;
	}
	return retval;
}


void LyXParagraph::SimpleTeXBlanks(ostream & os, TexRow & texrow,
				   LyXParagraph::size_type const i,
				   int & column, LyXFont const & font,
				   LyXLayout const & style)
{
	if (column > tex_code_break_column
	    && i 
	    && GetChar(i - 1) != ' '
	    && (i < size() - 1)
	    // In LaTeX mode, we don't want to
	    // break lines since some commands
	    // do not like this
	    && ! (font.latex() == LyXFont::ON)
	    // same in FreeSpacing mode
	    && !style.free_spacing
	    // In typewriter mode, we want to avoid 
	    // ! . ? : at the end of a line
	    && !(font.family() == LyXFont::TYPEWRITER_FAMILY
		 && (GetChar(i-1) == '.'
		     || GetChar(i-1) == '?' 
		     || GetChar(i-1) == ':'
		     || GetChar(i-1) == '!'))) {
		if (tex_code_break_column == 0) {
			// in batchmode we need LaTeX to still
			// see it as a space not as an extra '\n'
			os << " %\n";
		} else {
			os << '\n';
		}
		texrow.newline();
		texrow.start(this, i + 1);
		column = 0;
	} else if (font.latex() == LyXFont::OFF) {
		if (style.free_spacing) {
			os << '~';
		} else {
			os << ' ';
		}
	}
}


void LyXParagraph::SimpleTeXSpecialChars(Buffer const * buf,
					 BufferParams const & bparams,
					 ostream & os, TexRow & texrow,
					 bool moving_arg,
					 LyXFont & font,
					 LyXFont & running_font,
					 LyXFont & basefont,
					 bool & open_font,
					 LyXLayout const & style,
					 LyXParagraph::size_type & i,
					 int & column,
					 LyXParagraph::value_type const c)
{
	// Two major modes:  LaTeX or plain
	// Handle here those cases common to both modes
	// and then split to handle the two modes separately.
	switch (c) {
	case LyXParagraph::META_INSET: {
		Inset * inset = GetInset(i);
		if (inset) {
			bool close = false;
			int len = os.tellp();
			if ((inset->LyxCode() == Inset::GRAPHICS_CODE
			     || inset->LyxCode() == Inset::MATH_CODE
			     || inset->LyxCode() == Inset::URL_CODE)
			    && running_font.isRightToLeft()) {
				os << "\\L{";
				close = true;
			}

			int tmp = inset->Latex(buf, os, moving_arg,
					       style.free_spacing);

			if (close)
				os << "}";

			if (tmp) {
				column = 0;
			} else {
				column += os.tellp() - len;
			}
			for (; tmp--;) {
				texrow.newline();
			}
		}
	}
	break;

	case LyXParagraph::META_NEWLINE:
		if (open_font) {
			column += running_font.latexWriteEndChanges(os,
								    basefont,
								    basefont);
			open_font = false;
		}
		basefont = getFont(bparams, -1);
		running_font = basefont;
		break;

	case LyXParagraph::META_HFILL: 
		os << "\\hfill{}";
		column += 7;
		break;

	default:
		// And now for the special cases within each mode
		// Are we in LaTeX mode?
		if (font.latex() == LyXFont::ON) {
			// at present we only have one option
			// but I'll leave it as a switch statement
			// so its simpler to extend. (ARRae)
			switch (c) {
			default:
				// make sure that we will not print
				// error generating chars to the tex
				// file. This test would not be needed
				// if it were done in the buffer
				// itself.
				if (c != '\0') {
					os << c;
				}
				break;
			}
		} else {
			// Plain mode (i.e. not LaTeX)
			switch (c) {
			case '\\': 
				os << "\\textbackslash{}";
				column += 15;
				break;
		
			case '°': case '±': case '²': case '³':  
			case '×': case '÷': case '¹': case 'ª':
			case 'º': case '¬': case 'µ':
				if (bparams.inputenc == "latin1" ||
				    (bparams.inputenc == "auto" &&
				     font.language()->encoding()->LatexName()
				     == "latin1")) {
					os << "\\ensuremath{"
					   << c
					   << '}';
					column += 13;
				} else {
					os << c;
				}
				break;

			case '|': case '<': case '>':
				// In T1 encoding, these characters exist
				if (lyxrc.fontenc == "T1") {
					os << c;
					//... but we should avoid ligatures
					if ((c == '>' || c == '<')
					    && i <= size() - 2
					    && GetChar(i + 1) == c) {
						//os << "\\textcompwordmark{}";
						// Jean-Marc, have a look at
						// this. I think this works
						// equally well:
						os << "\\,{}";
						// Lgb
						column += 19;
					}
					break;
				}
				// Typewriter font also has them
				if (font.family() == LyXFont::TYPEWRITER_FAMILY) {
					os << c;
					break;
				} 
				// Otherwise, we use what LaTeX
				// provides us.
				switch(c) {
				case '<':
					os << "\\textless{}";
					column += 10;
					break;
				case '>':
					os << "\\textgreater{}";
					column += 13;
					break;
				case '|':
					os << "\\textbar{}";
					column += 9;
					break;
				}
				break;

			case '-': // "--" in Typewriter mode -> "-{}-"
				if (i <= size() - 2
				    && GetChar(i + 1) == '-'
				    && font.family() == LyXFont::TYPEWRITER_FAMILY) {
					os << "-{}";
					column += 2;
				} else {
					os << '-';
				}
				break;

			case '\"': 
				os << "\\char`\\\"{}";
				column += 9;
				break;

			case '£':
				if (bparams.inputenc == "default") {
					os << "\\pounds{}";
					column += 8;
				} else {
					os << c;
				}
				break;

			case '$': case '&':
			case '%': case '#': case '{':
			case '}': case '_':
				os << '\\' << c;
				column += 1;
				break;

			case '~':
				os << "\\textasciitilde{}";
				column += 16;
				break;

			case '^':
				os << "\\textasciicircum{}";
				column += 17;
				break;

			case '*': case '[': case ']':
				// avoid being mistaken for optional arguments
				os << '{' << c << '}';
				column += 2;
				break;

			case ' ':
				// Blanks are printed before font switching.
				// Sure? I am not! (try nice-latex)
				// I am sure it's correct. LyX might be smarter
				// in the future, but for now, nothing wrong is
				// written. (Asger)
				break;

			default:
				/* idea for labels --- begin*/
				// Check for "LyX"
				if (c ==  'L'
				    && i <= size() - 3
				    && font.family() != LyXFont::TYPEWRITER_FAMILY
				    && GetChar(i + 1) == 'y'
				    && GetChar(i + 2) == 'X') {
					os << "\\LyX{}";
					i += 2;
					column += 5;
				}
				// Check for "TeX"
				else if (c == 'T'
					 && i <= size() - 3
					 && font.family() != LyXFont::TYPEWRITER_FAMILY
					 && GetChar(i + 1) == 'e'
					 && GetChar(i + 2) == 'X') {
					os << "\\TeX{}";
					i += 2;
					column += 5;
				}
				// Check for "LaTeX2e"
				else if (c == 'L'
					 && i <= size() - 7
					 && font.family() != LyXFont::TYPEWRITER_FAMILY
					 && GetChar(i + 1) == 'a'
					 && GetChar(i + 2) == 'T'
					 && GetChar(i + 3) == 'e'
					 && GetChar(i + 4) == 'X'
					 && GetChar(i + 5) == '2'
					 && GetChar(i + 6) == 'e') {
					os << "\\LaTeXe{}";
					i += 6;
					column += 8;
				}
				// Check for "LaTeX"
				else if (c == 'L'
					 && i <= size() - 5
					 && font.family() != LyXFont::TYPEWRITER_FAMILY
					 && GetChar(i + 1) == 'a'
					 && GetChar(i + 2) == 'T'
					 && GetChar(i + 3) == 'e'
					 && GetChar(i + 4) == 'X') {
					os << "\\LaTeX{}";
					i += 4;
					column += 7;
					/* idea for labels --- end*/ 
				} else if (c != '\0') {
					os << c;
				}
				break;
			}
		}
	}
}


LyXParagraph * LyXParagraph::TeXDeeper(Buffer const * buf,
				       BufferParams const & bparams,
				       ostream & os, TexRow & texrow
#ifndef NEW_INSETS
				       ,ostream & foot,
				       TexRow & foot_texrow,
				       int & foot_count
#endif
	)
{
	lyxerr[Debug::LATEX] << "TeXDeeper...     " << this << endl;
	LyXParagraph * par = this;

	while (par &&
	       (par->depth == depth)
#ifndef NEW_INSETS
	       && (par->footnoteflag == footnoteflag)
#endif
		) {
#ifndef NEW_INSETS
		if (par->IsDummy())
			lyxerr << "ERROR (LyXParagraph::TeXDeeper)" << endl;
#endif
		if (textclasslist.Style(bparams.textclass, 
					par->layout).isEnvironment()
		    || par->pextra_type != PEXTRA_NONE) {
			par = par->TeXEnvironment(buf, bparams,
						  os, texrow
#ifndef NEW_INSETS
						  ,foot, foot_texrow,
						  foot_count
#endif
				);
		} else {
			par = par->TeXOnePar(buf, bparams,
					     os, texrow, false
#ifndef NEW_INSETS
					     ,
					     foot, foot_texrow,
					     foot_count
#endif
				);
		}
	}
	lyxerr[Debug::LATEX] << "TeXDeeper...done " << par << endl;

	return par;
}


LyXParagraph * LyXParagraph::TeXEnvironment(Buffer const * buf,
					    BufferParams const & bparams,
					    ostream & os, TexRow & texrow
#ifndef NEW_INSETS
					    ,ostream & foot,
					    TexRow & foot_texrow,
					    int & foot_count
#endif
	)
{
	bool eindent_open = false;
#ifndef NEW_INSETS
	bool foot_this_level = false;
#endif
	// flags when footnotetext should be appended to file.
        static bool minipage_open = false;
        static int minipage_open_depth = 0;
	char par_sep = bparams.paragraph_separation;
    
	lyxerr[Debug::LATEX] << "TeXEnvironment...     " << this << endl;
#ifndef NEW_INSETS
	if (IsDummy())
		lyxerr << "ERROR (LyXParagraph::TeXEnvironment)" << endl;
#endif

	LyXLayout const & style =
		textclasslist.Style(bparams.textclass,
				    layout);
       
	if (pextra_type == PEXTRA_INDENT) {
		if (!pextra_width.empty()) {
			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.
			os << "\\begin{LyXParagraphIndent}{";
			switch (pextra_widthp.length()) {
			case 3:
				os << "1.00";
				break;
			case 2:
				os << "0."
				   << pextra_widthp;
				break;
			case 1:
				os << "0.0"
				   << pextra_widthp;
			}
			os << "\\columnwidth}\n";
		}
		texrow.newline();
		eindent_open = true;
	}
	if ((pextra_type == PEXTRA_MINIPAGE) && !minipage_open) {
		if (pextra_hfill && Previous() &&
		    (Previous()->pextra_type == PEXTRA_MINIPAGE)) {
			os << "\\hfill{}\n";
			texrow.newline();
		}
		if (par_sep == BufferParams::PARSEP_INDENT) {
			os << "{\\setlength\\parindent{0pt}\n";
			texrow.newline();
		}
		os << "\\begin{minipage}";
		switch(pextra_alignment) {
		case MINIPAGE_ALIGN_TOP:
			os << "[t]";
			break;
		case MINIPAGE_ALIGN_MIDDLE:
			os << "[m]";
			break;
		case MINIPAGE_ALIGN_BOTTOM:
			os << "[b]";
			break;
		}
		if (!pextra_width.empty()) {
			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.
			os << '{';
			switch (pextra_widthp.length()) {
			case 3:
				os << "1.00";
				break;
			case 2:
				os << "0."
				   << pextra_widthp;
				break;
			case 1:
				os << "0.0"
				   << pextra_widthp;
			}
			os << "\\columnwidth}\n";
		}
		texrow.newline();
		if (par_sep == BufferParams::PARSEP_INDENT) {
			os << "\\setlength\\parindent{\\LyXMinipageIndent}\n";
			texrow.newline();
		}
		minipage_open = true;
                minipage_open_depth = depth;
	}

#ifdef WITH_WARNINGS
#warning Define FANCY_FOOTNOTE_CODE to re-enable Allan footnote code
	//I disabled it because it breaks when lists span on several
	//pages (JMarc)
#endif
	if (style.isEnvironment()){
		if (style.latextype == LATEX_LIST_ENVIRONMENT) {
#ifdef FANCY_FOOTNOTE_CODE
			if (foot_count < 0) {
				// flag that footnote[mark][text] should be
				// used for any footnotes from now on
				foot_count = 0;
				foot_this_level = true;
			}
#endif
			os << "\\begin{" << style.latexname() << "}{"
			   << labelwidthstring << "}\n";
		} else if (style.labeltype == LABEL_BIBLIO) {
			// ale970405
			os << "\\begin{" << style.latexname() << "}{"
			   <<  bibitemWidest(buf)
			   << "}\n";
		} else if (style.latextype == LATEX_ITEM_ENVIRONMENT) {
#ifdef FANCY_FOOTNOTE_CODE
			if (foot_count < 0) {
				// flag that footnote[mark][text] should be
				// used for any footnotes from now on
				foot_count = 0;
				foot_this_level = true;
			}
#endif
			os << "\\begin{" << style.latexname() << '}'
			   << style.latexparam() << '\n';
		} else 
			os << "\\begin{" << style.latexname() << '}'
			   << style.latexparam() << '\n';
		texrow.newline();
	}
	LyXParagraph * par = this;
	do {
		par = par->TeXOnePar(buf, bparams,
				     os, texrow, false
#ifndef NEW_INSETS
				     ,
				     foot, foot_texrow, foot_count
#endif
			);

                if (minipage_open && par && !style.isEnvironment() &&
                    (par->pextra_type == PEXTRA_MINIPAGE) &&
                    par->pextra_start_minipage) {
			os << "\\end{minipage}\n";
			texrow.newline();
			if (par_sep == BufferParams::PARSEP_INDENT) {
				os << "}\n";
				texrow.newline();
			}
			minipage_open = false;
                }
		if (par && par->depth > depth) {
			if (textclasslist.Style(bparams.textclass,
						par->layout).isParagraph()
			    // 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
				// 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(buf, bparams, os, texrow
#ifndef NEW_INSETS
					     ,foot, foot_texrow, foot_count
#endif
				);
		}
		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)){
				os << "\\hfill{}\n";
                                texrow.newline();
                        }
			if (par_sep == BufferParams::PARSEP_INDENT) {
				os << "{\\setlength\\parindent{0pt}\n";
				texrow.newline();
			}
			os << "\\begin{minipage}";
			switch(par->pextra_alignment) {
			case MINIPAGE_ALIGN_TOP:
				os << "[t]";
				break;
			case MINIPAGE_ALIGN_MIDDLE:
				os << "[m]";
				break;
			case MINIPAGE_ALIGN_BOTTOM:
				os << "[b]";
				break;
			}
			if (!par->pextra_width.empty()) {
				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.
				os << '{';
				switch (par->pextra_widthp.length()) {
				case 3:
					os << "1.00";
					break;
				case 2:
					os << "0." << par->pextra_widthp;
					break;
				case 1:
					os << "0.0" << par->pextra_widthp;
				}
				os << "\\columnwidth}\n";
			}
			texrow.newline();
			if (par_sep == BufferParams::PARSEP_INDENT) {
				os << "\\setlength\\parindent{\\LyXMinipageIndent}\n";
				texrow.newline();
			}
			minipage_open = true;
                        minipage_open_depth = par->depth;
		}
	} while (par
		 && par->layout == layout
		 && par->depth == depth
		 && par->pextra_type == pextra_type
#ifndef NEW_INSETS
		 && par->footnoteflag == footnoteflag
#endif
		);
 
	if (style.isEnvironment()) {
		os << "\\end{" << style.latexname() << '}';
#ifndef NEW_INSETS
		// maybe this should go after the minipage closes?
		if (foot_this_level) {
			if (foot_count >= 1) {
				if (foot_count > 1) {
					os << "\\addtocounter{footnote}{-"
					   << foot_count - 1
					   << '}';
				}
				os << foot;
				texrow += foot_texrow;
				foot.clear();
				foot_texrow.reset();
				foot_count = 0;
			}
		}
#endif
	}
        if (minipage_open && (minipage_open_depth == depth) &&
            (!par || par->pextra_start_minipage ||
             par->pextra_type != PEXTRA_MINIPAGE)) {
                os << "\\end{minipage}\n";
		texrow.newline();
                if (par_sep == BufferParams::PARSEP_INDENT) {
                        os << "}\n";
			texrow.newline();
                }
                if (par && par->pextra_type != PEXTRA_MINIPAGE) {
                        os << "\\medskip\n\n";
			texrow.newline();
			texrow.newline();
                }
                minipage_open = false;
        }
	if (eindent_open) {
		os << "\\end{LyXParagraphIndent}\n";
		texrow.newline();
	}
        if (!(par && (par->pextra_type == PEXTRA_MINIPAGE) 
	      && par->pextra_hfill)) {
                os << '\n';
		texrow.newline();
	}
	lyxerr[Debug::LATEX] << "TeXEnvironment...done " << par << endl;
	return par;  // ale970302
}


#ifndef NEW_INSETS
LyXParagraph * LyXParagraph::TeXFootnote(Buffer const * buf,
					 BufferParams const & bparams,
					 ostream & os, TexRow & texrow,
					 ostream & foot, TexRow & foot_texrow,
					 int & foot_count,
					 bool parent_is_rtl)
{
	lyxerr[Debug::LATEX] << "TeXFootnote...  " << this << endl;
	if (footnoteflag == LyXParagraph::NO_FOOTNOTE)
		lyxerr << "ERROR (LyXParagraph::TeXFootnote): "
			"No footnote!" << endl;

	LyXParagraph * par = this;
	LyXLayout const & style =
		textclasslist.Style(bparams.textclass, 
				    previous->GetLayout());
	
	if (style.needprotect && footnotekind != LyXParagraph::FOOTNOTE){
		lyxerr << "ERROR (LyXParagraph::TeXFootnote): "
			"Float other than footnote in command"
			" with moving argument is illegal" << endl;
	}

	if (footnotekind != LyXParagraph::FOOTNOTE
	    && footnotekind != LyXParagraph::MARGIN
	    && 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'
		// 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 moving_arg = false;
	bool need_closing = false;
	bool is_rtl = isRightToLeftPar(bparams);

	if (is_rtl != parent_is_rtl) {
		if (is_rtl)
			os << "\\R{";
		else
			os << "\\L{";
		need_closing = true;
	}
	
	bool footer_in_body = true;
	switch (footnotekind) {
	case LyXParagraph::FOOTNOTE:
		if (style.intitle) {
			os << "\\thanks{\n";
			footer_in_body = false;
			moving_arg = true;
		} else {
			if (foot_count == -1) {
				// we're at depth 0 so we can use:
				os << "\\footnote{%\n";
				footer_in_body = false;
			} else {
				os << "\\footnotemark{}%\n";
				if (foot_count) {
					// we only need this when there are
					// multiple footnotes
					os << "\\stepcounter{footnote}";
				}
				os << "\\footnotetext{%\n";
				foot_texrow.start(this, 0);
				foot_texrow.newline();
				++foot_count;
			}
		}
		break;
	case LyXParagraph::MARGIN:
		os << "\\marginpar{\n";
		break;
	case LyXParagraph::FIG:
		if (pextra_type == PEXTRA_FLOATFLT
		    && (!pextra_width.empty()
			|| !pextra_widthp.empty())) {
			if (!pextra_width.empty())
				os << "\\begin{floatingfigure}{"
				   << pextra_width << "}\n";
			else
				os << "\\begin{floatingfigure}{"
				   << lyx::atoi(pextra_widthp) / 100.0
				   << "\\textwidth}\n";
		} else {
			os << "\\begin{figure}";
			if (!bparams.float_placement.empty()) { 
				os << '[' << bparams.float_placement << "]\n";
			} else {
				os << '\n';
			}
		}
		break;
	case LyXParagraph::TAB:
		os << "\\begin{table}";
		if (!bparams.float_placement.empty()) { 
			os << '[' << bparams.float_placement << "]\n";
		} else {
			os << '\n';
		}
		break;
	case LyXParagraph::WIDE_FIG:
		os << "\\begin{figure*}";
		if (!bparams.float_placement.empty()) { 
			os << '[' << bparams.float_placement << "]\n";
		} else {
			os << '\n';
		}
		break;
	case LyXParagraph::WIDE_TAB:
		os << "\\begin{table*}";
		if (!bparams.float_placement.empty()) { 
			os << '[' << bparams.float_placement << "]\n";
		} else {
			os << '\n';
		}
		break;
	case LyXParagraph::ALGORITHM:
		os << "\\begin{algorithm}\n";
		break;
	}
	texrow.newline();
   
 	if (footnotekind != LyXParagraph::FOOTNOTE
	    || !footer_in_body) {
		// Process text for all floats except footnotes in body
		do {
			LyXLayout const & style =
				textclasslist
				.Style(bparams.textclass, par->layout);
			if (par->IsDummy())
				lyxerr << "ERROR (LyXParagraph::TeXFootnote)"
				       << endl;
			if (style.isEnvironment()
			    || par->pextra_type == PEXTRA_MINIPAGE) { /* && !minipage_open ?? */
				// Allows the use of minipages within float
				// environments. Shouldn't be circular because
				// we don't support footnotes inside
				// floats (yet). ARRae
				par = par->TeXEnvironment(buf, bparams, os,
							  texrow,
							  foot, foot_texrow,
							  foot_count);
			} else {
				par = par->TeXOnePar(buf, bparams,
						     os, texrow, moving_arg,
						     foot, foot_texrow,
						     foot_count);
			}
			
			if (par && !par->IsDummy() && par->depth > depth) {
				par = par->TeXDeeper(buf, bparams, os, texrow,
						     foot, foot_texrow,
						     foot_count);
			}
		} while (par && par->footnoteflag != LyXParagraph::NO_FOOTNOTE);
	} else {
		// process footnotes > depth 0 or in environments separately
		// NOTE: Currently don't support footnotes within footnotes
		//       even though that is possible using the \footnotemark
		std::ostringstream dummy;
		TexRow dummy_texrow;
		int dummy_count = 0;
		do {
			LyXLayout const & style =
				textclasslist
				.Style(bparams.textclass, par->layout);
			if (par->IsDummy())
				lyxerr << "ERROR (LyXParagraph::TeXFootnote)"
				       << endl;
			if (style.isEnvironment()
			    || par->pextra_type == PEXTRA_MINIPAGE) { /* && !minipage_open ?? */
				// Allows the use of minipages within float
				// environments. Shouldn't be circular because
				// we don't support footnotes inside
				// floats (yet). ARRae
				par = par->TeXEnvironment(buf, bparams,
							  foot, foot_texrow,
							  dummy, dummy_texrow,
							  dummy_count);
			} else {
				par = par->TeXOnePar(buf, bparams,
						     foot, foot_texrow,
						     moving_arg,
						     dummy, dummy_texrow,
						     dummy_count);
			}

			if (par && !par->IsDummy() && par->depth > depth) {
				par = par->TeXDeeper(buf, bparams,
						     foot, foot_texrow,
						     dummy, dummy_texrow,
						     dummy_count);
			}
		} while (par
			 && par->footnoteflag != LyXParagraph::NO_FOOTNOTE);
		if (dummy_count) {
			lyxerr << "ERROR (LyXParagraph::TeXFootnote): "
				"Footnote in a Footnote -- not supported"
			       << endl;
		}
	}

	switch (footnotekind) {
	case LyXParagraph::FOOTNOTE:
		if (footer_in_body) {
			// This helps tell which of the multiple
			// footnotetexts an error was in.
			foot << "}%\n";
			foot_texrow.newline();
		} else {
			os << '}';
		}
		break;
	case LyXParagraph::MARGIN:
		os << '}';
		break;
	case LyXParagraph::FIG:
		if (pextra_type == PEXTRA_FLOATFLT
		    && (!pextra_width.empty()
			|| !pextra_widthp.empty()))
			os << "\\end{floatingfigure}";
		else
			os << "\\end{figure}";
		break;
	case LyXParagraph::TAB:
		os << "\\end{table}";
		break;
	case LyXParagraph::WIDE_FIG:
		os << "\\end{figure*}";
		break;
	case LyXParagraph::WIDE_TAB:
	        os << "\\end{table*}";
		break;
	case LyXParagraph::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.
		os << "\n";
		texrow.newline();
	}

	lyxerr[Debug::LATEX] << "TeXFootnote...done " << par->next << endl;
	return par;
}


bool LyXParagraph::IsDummy() const
{
	return (footnoteflag == LyXParagraph::NO_FOOTNOTE && previous
		&& previous->footnoteflag != LyXParagraph::NO_FOOTNOTE);
}
#endif

void LyXParagraph::SetPExtraType(BufferParams const & bparams,
				 int type, string const & width,
				 string const & widthp)
{
	pextra_type = type;
	pextra_width = width;
	pextra_widthp = widthp;

	if (textclasslist.Style(bparams.textclass, 
				layout).isEnvironment()) {
		LyXParagraph * par = this;
		LyXParagraph * ppar = par;

		while (par && (par->layout == layout)
		       && (par->depth == depth)) {
			ppar = par;
			par = par->Previous();
#ifndef NEW_INSETS
			if (par)
				par = par->FirstPhysicalPar();
#endif
			while (par && par->depth > depth) {
				par = par->Previous();
#ifndef NEW_INSETS
				if (par)
					par = par->FirstPhysicalPar();
#endif
			}
		}
		par = ppar;
		while (par && (par->layout == layout)
		       && (par->depth == depth)) {
			par->pextra_type = type;
			par->pextra_width = width;
			par->pextra_widthp = widthp;
#ifndef NEW_INSETS
			par = par->NextAfterFootnote();
#else
			par = par->Next();
#endif
			if (par && (par->depth > depth))
				par->SetPExtraType(bparams,
						   type, width, widthp);
#ifndef NEW_INSETS
			while (par && ((par->depth > depth) || par->IsDummy()))
				par = par->NextAfterFootnote();
#else
			while (par && ((par->depth > depth)))
				par = par->Next();
#endif
		}
	}
}


void LyXParagraph::UnsetPExtraType(BufferParams const & bparams)
{
	if (pextra_type == PEXTRA_NONE)
		return;
    
	pextra_type = PEXTRA_NONE;
	pextra_width.erase();
	pextra_widthp.erase();

	if (textclasslist.Style(bparams.textclass, 
				layout).isEnvironment()) {
		LyXParagraph * par = this;
		LyXParagraph * ppar = par;

		while (par && (par->layout == layout)
		       && (par->depth == depth)) {
			ppar = par;
			par = par->Previous();
#ifndef NEW_INSETS
			if (par)
				par = par->FirstPhysicalPar();
#endif
			while (par && par->depth > depth) {
				par = par->Previous();
#ifndef NEW_INSETS
				if (par)
					par = par->FirstPhysicalPar();
#endif
			}
		}
		par = ppar;
		while (par && (par->layout == layout)
		       && (par->depth == depth)) {
			par->pextra_type = PEXTRA_NONE;
			par->pextra_width.erase();
			par->pextra_widthp.erase();
#ifndef NEW_INSETS
			par = par->NextAfterFootnote();
#else
			par = par->Next();
#endif
			if (par && (par->depth > depth))
				par->UnsetPExtraType(bparams);
#ifndef NEW_INSETS
			while (par && ((par->depth > depth) || par->IsDummy()))
				par = par->NextAfterFootnote();
#else
			while (par && ((par->depth > depth)))
				par = par->Next();
#endif
		}
	}
}


bool LyXParagraph::IsHfill(size_type pos) const
{
	return IsHfillChar(GetChar(pos));
}


bool LyXParagraph::IsInset(size_type pos) const
{
	return IsInsetChar(GetChar(pos));
}


#ifndef NEW_INSETS
bool LyXParagraph::IsFloat(size_type pos) const
{
	return IsFloatChar(GetChar(pos));
}
#endif


bool LyXParagraph::IsNewline(size_type pos) const
{
	return pos >= 0 && IsNewlineChar(GetChar(pos));
}


bool LyXParagraph::IsSeparator(size_type pos) const
{
	return IsSeparatorChar(GetChar(pos));
}


bool LyXParagraph::IsLineSeparator(size_type pos) const
{
	return IsLineSeparatorChar(GetChar(pos));
}


bool LyXParagraph::IsKomma(size_type pos) const
{
	return IsKommaChar(GetChar(pos));
}


/// Used by the spellchecker
bool LyXParagraph::IsLetter(LyXParagraph::size_type pos) const
{
	value_type c = GetChar(pos);
	if (IsLetterChar(c))
		return true;
	// '\0' is not a letter, allthough every string contains "" (below)
	if( c == '\0')
		return false;
	// We want to pass the ' and escape chars to ispell
	string extra = lyxrc.isp_esc_chars + '\'';
	char ch[2] = { c, 0 };
	return contains(extra, ch);
}
 
 
bool LyXParagraph::IsWord(size_type pos ) const
{
	return IsWordChar(GetChar(pos)) ;
}


Language const *
LyXParagraph::getParLanguage(BufferParams const & bparams) const 
{
#ifndef NEW_INSETS
	if (IsDummy())
		return FirstPhysicalPar()->getParLanguage(bparams);
	else
#endif
	if (size() > 0) {
#ifdef DO_USE_DEFAULT_LANGUAGE
		Language const * lang = GetFirstFontSettings().language();

		if (lang->lang() == "default")
			return bparams.language;
		return lang;
#else
		return GetFirstFontSettings().language();
#endif
	} else if (previous)
		return previous->getParLanguage(bparams);
	else
		return bparams.language;
}


bool LyXParagraph::isRightToLeftPar(BufferParams const & bparams) const
{
	return lyxrc.rtl_support
		&& getParLanguage(bparams)->RightToLeft();
}


void LyXParagraph::ChangeLanguage(BufferParams const & bparams,
				  Language const * from, Language const * to)
{
	for(size_type i = 0; i < size(); ++i) {
		LyXFont font = GetFontSettings(bparams, i);
		if (font.language() == from) {
			font.setLanguage(to);
			SetFont(i, font);
		}
	}
}


bool LyXParagraph::isMultiLingual(BufferParams const & bparams)
{
	Language const * doc_language =	bparams.language;
	for (FontList::const_iterator cit = fontlist.begin();
	     cit != fontlist.end(); ++cit)
		if ((*cit).font.language() != doc_language)
			return true;
	return false;
}


// Convert the paragraph to a string.
// Used for building the table of contents
string const LyXParagraph::String(Buffer const * buffer, bool label)
{
	BufferParams const & bparams = buffer->params;
	string s;
#ifndef NEW_INSETS
	if (label && !IsDummy() && !labelstring.empty())
#else
	if (label && !labelstring.empty())
#endif
		s += labelstring + ' ';
	string::size_type len = s.size();

	for (LyXParagraph::size_type i = 0; i < size(); ++i) {
		value_type c = GetChar(i);
		if (IsPrintable(c))
			s += c;
		else if (c == META_INSET &&
			 GetInset(i)->LyxCode() == Inset::MATH_CODE) {
			std::ostringstream ost;
			GetInset(i)->Ascii(buffer, ost);
			s += subst(ost.str(),'\n',' ');
		}
	}

#ifndef NEW_INSETS
	if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE 
	    && footnoteflag == LyXParagraph::NO_FOOTNOTE)
		s += NextAfterFootnote()->String(buffer, false);

	if (!IsDummy()) {
#endif
		if (isRightToLeftPar(bparams))
			reverse(s.begin() + len,s.end());
#ifndef NEW_INSETS
	}
#endif
	return s;
}


string const LyXParagraph::String(Buffer const * buffer, 
			    LyXParagraph::size_type beg,
			    LyXParagraph::size_type end)
{
	string s;

#ifndef NEW_INSETS
	if (beg == 0 && !IsDummy() && !labelstring.empty())
#else
	if (beg == 0 && !labelstring.empty())
#endif
		s += labelstring + ' ';

	for (LyXParagraph::size_type i = beg; i < end; ++i) {
		value_type c = GetChar(i);
		if (IsPrintable(c))
			s += c;
		else if (c == META_INSET) {
			std::ostringstream ost;
			GetInset(i)->Ascii(buffer, ost);
			s += ost.str();
		}
	}

	return s;
}


void LyXParagraph::SetInsetOwner(Inset * i)
{
	inset_owner = i;
	for (InsetList::const_iterator cit = insetlist.begin();
	     cit != insetlist.end(); ++cit) {
		if ((*cit).inset)
			(*cit).inset->setOwner(i);
	}
}


void LyXParagraph::deleteInsetsLyXText(BufferView * bv)
{
	// then the insets
	for (InsetList::const_iterator cit = insetlist.begin();
	     cit != insetlist.end(); ++cit) {
		if ((*cit).inset) {
			if ((*cit).inset->IsTextInset()) {
				static_cast<UpdatableInset *>
					((*cit).inset)->deleteLyXText(bv);
			}
		}
	}
}


void LyXParagraph::resizeInsetsLyXText(BufferView * bv)
{
	// then the insets
	for (InsetList::const_iterator cit = insetlist.begin();
	     cit != insetlist.end(); ++cit) {
		if ((*cit).inset) {
			if ((*cit).inset->IsTextInset()) {
				static_cast<UpdatableInset *>
					((*cit).inset)->resizeLyXText(bv);
			}
		}
	}
}