diff --git a/src/BufferView_pimpl.C b/src/BufferView_pimpl.C
index 8b8b009896..af33f7c593 100644
--- a/src/BufferView_pimpl.C
+++ b/src/BufferView_pimpl.C
@@ -905,7 +905,7 @@ bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
 			res = bv_->text()->dispatch(cur, cmd);
 		}
 
-		if (bv_->fitCursor() || res.update()) {
+		if (fitCursor() || res.update()) {
 			bv_->update();
 			cur.updatePos();
 		}
@@ -947,7 +947,7 @@ bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
 		// if it wishes to do so.
 		DispatchResult res = cur.dispatch(cmd);
 
-		if (bv_->fitCursor() || res.update())
+		if (fitCursor() || res.update())
 			bv_->update();
 
 		// see workAreaKeyPress
diff --git a/src/cursor.C b/src/cursor.C
index 955d308424..5c74ebebb6 100644
--- a/src/cursor.C
+++ b/src/cursor.C
@@ -1179,16 +1179,6 @@ string LCursor::macroName()
 }
 
 
-void LCursor::drawSelection(PainterInfo & pi)
-{
-	if (!selection())
-		return;
-	CursorSlice i1 = selBegin();
-	CursorSlice i2 = selEnd();
-	i1.asMathInset()->drawSelection(pi, i1.idx_, i1.pos_, i2.idx_, i2.pos_);
-}
-
-
 void LCursor::handleNest(MathAtom const & a, int c)
 {
 	MathAtom t = a;
@@ -1510,6 +1500,7 @@ bool LCursor::idxRight()
 bool LCursor::script(bool up)
 {
 	// Hack to get \\^ and \\_ working
+	lyxerr << "handling script: up: " << up << endl;
 	if (inMacroMode() && macroName() == "\\") {
 		if (up)
 			niceInsert(createMathInset("mathcircumflex"));
@@ -1533,8 +1524,7 @@ bool LCursor::script(bool up)
 		pos() = lastpos();
 	} else if (pos() != 0) {
 		--pos();
-		cell()[pos()]
-			= MathAtom(new MathScriptInset(nextAtom(), up));
+		cell()[pos()] = MathAtom(new MathScriptInset(nextAtom(), up));
 		push(inset());
 		idx() = up;
 		pos() = 0;
@@ -1553,7 +1543,7 @@ bool LCursor::script(bool up)
 
 bool LCursor::interpret(char c)
 {
-	//lyxerr << "interpret 2: '" << c << "'" << endl;
+	lyxerr << "interpret 2: '" << c << "'" << endl;
 	clearTargetX();
 	if (inMacroArgMode()) {
 		posLeft();
diff --git a/src/cursor.h b/src/cursor.h
index 68c257c793..e4d1ebc2a1 100644
--- a/src/cursor.h
+++ b/src/cursor.h
@@ -354,8 +354,6 @@ public:
 	/// are we currently typing '#1' or '#2' or...?
 	bool inMacroArgMode() const;
 
-	/// draws light-blue selection background
-	void drawSelection(PainterInfo & pi);
 	/// replace selected stuff with at, placing the former
 	// selection in given cell of atom
 	void handleNest(MathAtom const & at, int cell = 0);
diff --git a/src/frontends/screen.C b/src/frontends/screen.C
index 525b3912e1..c921218cbb 100644
--- a/src/frontends/screen.C
+++ b/src/frontends/screen.C
@@ -212,8 +212,8 @@ bool LyXScreen::fitCursor(BufferView * bv)
 	int x, y, asc, desc;
 
 	bv->cursor().getPos(x, y);
-	//lyxerr << "LyXScreen::fitCursor: x: " << x << " y: " << y
-	//	<< "  top_y: " << top_y << endl;
+	lyxerr << "LyXScreen::fitCursor: x: " << x << " y: " << y
+		<< "  top_y: " << top_y << endl;
 	bv->cursor().getDim(asc, desc);
 	
 	bool const big_row = h / 4 < asc + desc && asc + desc < h;
diff --git a/src/insets/inset.C b/src/insets/inset.C
index b61eafd076..b533f4de92 100644
--- a/src/insets/inset.C
+++ b/src/insets/inset.C
@@ -89,6 +89,7 @@ int InsetOld::scroll(bool recursive) const
 
 void InsetOld::setPosCache(PainterInfo const &, int x, int y) const
 {
+	lyxerr << "InsetOld:: position cache to " << x << " " << y << std::endl;
 	xo_ = x;
 	yo_ = y;
 }
diff --git a/src/insets/insetbase.C b/src/insets/insetbase.C
index 1bd6b65e37..4a03ba7327 100644
--- a/src/insets/insetbase.C
+++ b/src/insets/insetbase.C
@@ -12,6 +12,7 @@
 
 #include "insetbase.h"
 
+#include "buffer.h"
 #include "BufferView.h"
 #include "LColor.h"
 #include "cursor.h"
@@ -225,6 +226,13 @@ bool InsetBase::covers(int x, int y) const
 }
 
 
+void InsetBase::dump() const
+{
+	Buffer buf("foo", 1);
+	write(buf, lyxerr);
+}
+
+
 /////////////////////////////////////////
 
 bool isEditableInset(InsetBase const * inset)
diff --git a/src/insets/insetbase.h b/src/insets/insetbase.h
index 23d390db45..a8d458fa34 100644
--- a/src/insets/insetbase.h
+++ b/src/insets/insetbase.h
@@ -79,6 +79,8 @@ public:
 	virtual void metrics(MetricsInfo & mi, Dimension & dim) const = 0;
 	/// draw inset and update (xo, yo)-cache
 	virtual void draw(PainterInfo & pi, int x, int y) const = 0;
+	/// draw inset selection if necessary
+	virtual void drawSelection(PainterInfo &, int, int) const {}
 	///
 	virtual bool editing(BufferView * bv) const;
 	/// draw four angular markers
@@ -322,6 +324,8 @@ public:
 	virtual bool display() const { return false; }
 	// should we break lines after this inset?
 	virtual bool isLineSeparator() const { return false; }
+	/// dumps content to lyxerr
+	virtual void dump() const;
 	///
 	virtual void write(Buffer const &, std::ostream &) const {}
 	///
diff --git a/src/mathed/formulamacro.C b/src/mathed/formulamacro.C
index 99f3229378..348454b638 100644
--- a/src/mathed/formulamacro.C
+++ b/src/mathed/formulamacro.C
@@ -170,9 +170,12 @@ void InsetFormulaMacro::draw(PainterInfo & p, int x, int y) const
 	pi.pain.fillRectangle(x, a, w, h, LColor::mathmacrobg);
 	pi.pain.rectangle(x, a, w, h, LColor::mathframe);
 
+#warning FIXME
+#if 0
 	LCursor & cur = p.base.bv->cursor();
 	if (cur.isInside(this))
 		cur.drawSelection(pi);
+#endif
 
 	pi.pain.text(x + 2, y, prefix(), font);
 
diff --git a/src/mathed/math_atom.h b/src/mathed/math_atom.h
index 751735e4a2..37553df1ed 100644
--- a/src/mathed/math_atom.h
+++ b/src/mathed/math_atom.h
@@ -63,7 +63,7 @@ public:
 	MathInset const * operator->() const { return nucleus_; }
 
 	/// width cache. Not nice...
-	mutable int width_;
+	//mutable int width_;
 
 private:
 	///
diff --git a/src/mathed/math_charinset.C b/src/mathed/math_charinset.C
index 1b32d44786..d6c2331cb3 100644
--- a/src/mathed/math_charinset.C
+++ b/src/mathed/math_charinset.C
@@ -84,6 +84,7 @@ void MathCharInset::metrics(MetricsInfo & mi, Dimension & dim) const
 		width_ += 2 * font_metrics::width(' ', font_);
 	lyxerr << "MathCharInset::metrics: " << dim << endl;
 #endif
+	dim_ = dim;
 }
 
 
diff --git a/src/mathed/math_charinset.h b/src/mathed/math_charinset.h
index 067affac0b..1cad4cf94f 100644
--- a/src/mathed/math_charinset.h
+++ b/src/mathed/math_charinset.h
@@ -12,11 +12,12 @@
 #ifndef MATH_CHARINSET_H
 #define MATH_CHARINSET_H
 
-#include "math_inset.h"
+#include "math_diminset.h"
 
+#warning this should not derive from the fat MathDimInset
 
 /// The base character inset.
-class MathCharInset : public MathInset {
+class MathCharInset : public MathDimInset {
 public:
 	///
 	explicit MathCharInset(char c);
@@ -30,6 +31,7 @@ public:
 	void metricsT(TextMetricsInfo const & mi, Dimension & dim) const;
 	///
 	void drawT(TextPainter &, int x, int y) const;
+
 	///
 	void write(WriteStream & os) const;
 	///
diff --git a/src/mathed/math_data.C b/src/mathed/math_data.C
index 0270d5d87c..d8a1f31902 100644
--- a/src/mathed/math_data.C
+++ b/src/mathed/math_data.C
@@ -232,7 +232,7 @@ void MathArray::metrics(MetricsInfo & mi) const
 		for (const_iterator it = begin(), et = end(); it != et; ++it) {
 			(*it)->metrics(mi, d);
 			dim_ += d;
-			it->width_ = d.wid;
+			//it->width_ = d.wid;
 		}
 	}
 }
@@ -263,9 +263,9 @@ void MathArray::draw(PainterInfo & pi, int x, int y) const
 	}
 
 	for (const_iterator it = begin(), et = end(); it != et; ++it) {
-		pi.width = it->width_;
+		//pi.width = it->width_;
 		(*it)->draw(pi, x, y);
-		x += it->width_;
+		x += (*it)->width();
 	}
 }
 
@@ -294,7 +294,8 @@ void MathArray::drawT(TextPainter & pain, int x, int y) const
 
 	for (const_iterator it = begin(), et = end(); it != et; ++it) {
 		(*it)->drawT(pain, x, y);
-		x += it->width_;
+		//x += (*it->width_;
+		x += 2;
 	}
 }
 
@@ -313,7 +314,9 @@ int MathArray::pos2x(size_type pos, int glue) const
 		const_iterator it = begin() + i;
 		if ((*it)->getChar() == ' ')
 			x += glue;
-		x += it->width_;
+		lyxerr << "char: " << (*it)->getChar()
+			<< "width: " << (*it)->width() << std::endl;
+		x += (*it)->width();
 	}
 	return x;
 }
@@ -334,7 +337,7 @@ MathArray::size_type MathArray::x2pos(int targetx, int glue) const
 		lastx = currx;
 		if ((*it)->getChar() == ' ')
 			currx += glue;
-		currx += it->width_;
+		currx += (*it)->width();
 	}
 	if (abs(lastx - targetx) < abs(currx - targetx) && it != begin())
 		--it;
diff --git a/src/mathed/math_diminset.C b/src/mathed/math_diminset.C
index ff779ad580..034ad1510e 100644
--- a/src/mathed/math_diminset.C
+++ b/src/mathed/math_diminset.C
@@ -11,8 +11,13 @@
 #include <config.h>
 
 #include "math_diminset.h"
+#include "debug.h"
 
 
+MathDimInset::MathDimInset()
+	: xo_(-3), yo_(-3)
+{}
+
 
 int MathDimInset::ascent() const
 {
@@ -34,6 +39,7 @@ int MathDimInset::width() const
 
 void MathDimInset::setPosCache(PainterInfo const &, int x, int y) const
 {
+	lyxerr << "MathDimInset:: position cache to " << x << " " << y << std::endl;
 	xo_ = x;
 	yo_ = y;
 }
diff --git a/src/mathed/math_diminset.h b/src/mathed/math_diminset.h
index 2131e5d740..636baeeb9a 100644
--- a/src/mathed/math_diminset.h
+++ b/src/mathed/math_diminset.h
@@ -21,6 +21,9 @@ class PainterInfo;
 /// things that need the dimension cache
 class MathDimInset : public MathInset {
 public:
+	///
+	MathDimInset();	
+
 	///
 	Dimension dimensions() const { return dim_; }
 	///
diff --git a/src/mathed/math_nestinset.C b/src/mathed/math_nestinset.C
index 344d91933b..48825c1569 100644
--- a/src/mathed/math_nestinset.C
+++ b/src/mathed/math_nestinset.C
@@ -72,12 +72,16 @@ MathArray const & MathNestInset::cell(idx_type i) const
 void MathNestInset::getCursorPos(CursorSlice const & cur,
 	int & x, int & y) const
 {
+	BOOST_ASSERT(cur.inset() == this);
 	MathArray const & ar = cur.cell();
 	x = ar.xo() + ar.pos2x(cur.pos());
 	y = ar.yo();
 	// move cursor visually into empty cells ("blue rectangles");
 	if (cur.cell().empty())
 		x += 2;
+	lyxerr << "MathNestInset::getCursorPos: cur: " << cur
+		<< " x: " << x << " y: " << y << endl;
+	BOOST_ASSERT(x < 100000);
 }
 
 
@@ -98,6 +102,7 @@ void MathNestInset::metrics(MetricsInfo const & mi) const
 
 bool MathNestInset::idxNext(LCursor & cur) const
 {
+	BOOST_ASSERT(cur.inset() == this);
 	if (cur.idx() + 1 >= nargs())
 		return false;
 	++cur.idx();
@@ -114,6 +119,7 @@ bool MathNestInset::idxRight(LCursor & cur) const
 
 bool MathNestInset::idxPrev(LCursor & cur) const
 {
+	BOOST_ASSERT(cur.inset() == this);
 	if (cur.idx() == 0)
 		return false;
 	--cur.idx();
@@ -130,6 +136,7 @@ bool MathNestInset::idxLeft(LCursor & cur) const
 
 bool MathNestInset::idxFirst(LCursor & cur) const
 {
+	BOOST_ASSERT(cur.inset() == this);
 	if (nargs() == 0)
 		return false;
 	cur.idx() = 0;
@@ -140,6 +147,7 @@ bool MathNestInset::idxFirst(LCursor & cur) const
 
 bool MathNestInset::idxLast(LCursor & cur) const
 {
+	BOOST_ASSERT(cur.inset() == this);
 	if (nargs() == 0)
 		return false;
 	cur.idx() = nargs() - 1;
@@ -150,6 +158,7 @@ bool MathNestInset::idxLast(LCursor & cur) const
 
 bool MathNestInset::idxHome(LCursor & cur) const
 {
+	BOOST_ASSERT(cur.inset() == this);
 	if (cur.pos() == 0)
 		return false;
 	cur.pos() = 0;
@@ -159,6 +168,7 @@ bool MathNestInset::idxHome(LCursor & cur) const
 
 bool MathNestInset::idxEnd(LCursor & cur) const
 {
+	BOOST_ASSERT(cur.inset() == this);
 	if (cur.lastpos() == cur.lastpos())
 		return false;
 	cur.pos() = cur.lastpos();
@@ -189,25 +199,35 @@ void MathNestInset::draw(PainterInfo &, int, int) const
 }
 
 
-void MathNestInset::drawSelection(PainterInfo & pi,
-		idx_type idx1, pos_type pos1, idx_type idx2, pos_type pos2) const
+void MathNestInset::drawSelection(PainterInfo & pi, int x, int y) const
 {
-	if (idx1 == idx2) {
-		MathArray const & c = cell(idx1);
-		int x1 = c.xo() + c.pos2x(pos1);
+	// this should use the x/y values given, not the cached values
+	LCursor & cur = pi.base.bv->cursor();
+	if (!cur.selection())
+		return;
+	if (cur.inset() != this)
+		return;
+	CursorSlice & s1 = cur.selBegin();
+	CursorSlice & s2 = cur.selEnd();
+	if (s1.idx() == s2.idx()) {
+		MathArray const & c = s1.cell();
+		lyxerr << "###### c.xo(): " << c.xo() << " c.yo(): " << c.yo() << endl;
+		int x1 = c.xo() + c.pos2x(s1.pos());
 		int y1 = c.yo() - c.ascent();
-		int x2 = c.xo() + c.pos2x(pos2);
+		int x2 = c.xo() + c.pos2x(s2.pos());
 		int y2 = c.yo() + c.descent();
-		pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
+		//pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
+		pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::red);
 	} else {
 		for (idx_type i = 0; i < nargs(); ++i) {
-			if (idxBetween(i, idx1, idx2)) {
+			if (idxBetween(i, s1.idx(), s2.idx())) {
 				MathArray const & c = cell(i);
 				int x1 = c.xo();
 				int y1 = c.yo() - c.ascent();
 				int x2 = c.xo() + c.width();
 				int y2 = c.yo() + c.descent();
-				pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
+				//pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
+				pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::red);
 			}
 		}
 	}
@@ -779,7 +799,7 @@ MathNestInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 
 void MathNestInset::edit(LCursor & cur, int x, int y)
 {
-	lyxerr << "Called MathHullInset::edit with '" << x << ' ' << y << "'" << endl;
+	lyxerr << "Called MathNestInset::edit with '" << x << ' ' << y << "'" << endl;
 	cur.push(this);
 	int idx_min = 0;
 	int dist_min = 1000000;
diff --git a/src/mathed/math_nestinset.h b/src/mathed/math_nestinset.h
index 853a33aa54..77ce4d5e56 100644
--- a/src/mathed/math_nestinset.h
+++ b/src/mathed/math_nestinset.h
@@ -31,8 +31,7 @@ public:
 	/// draw background if locked
 	void draw(PainterInfo & pi, int x, int y) const;
 	/// draw selection background
-	void drawSelection(PainterInfo & pi,
-		idx_type idx1, pos_type pos1, idx_type idx2, pos_type pos2) const;
+	void drawSelection(PainterInfo & pi, int x, int y) const;
 	/// appends itself with macro arguments substituted
 	void substitute(MathMacro const & macro);
 	/// identifies NestInsets
diff --git a/src/mathed/math_scriptinset.C b/src/mathed/math_scriptinset.C
index 52f9796298..8d46fe151f 100644
--- a/src/mathed/math_scriptinset.C
+++ b/src/mathed/math_scriptinset.C
@@ -444,13 +444,14 @@ void MathScriptInset::mathematica(MathematicaStream & os) const
 	if (u)
 		os << "^(" << up() << ')';
 
-	if (nuc().size())
+	if (nuc().size()) {
 		if (d)
 			os << ',' << down() << ']';
+	}
 }
 
 
-void MathScriptInset::mathmlize( MathMLStream & os) const
+void MathScriptInset::mathmlize(MathMLStream & os) const
 {
 	bool d = hasDown() && down().size();
 	bool u = hasUp() && up().size();
diff --git a/src/mathed/math_scriptinset.h b/src/mathed/math_scriptinset.h
index 45514a844a..2f9dd58b40 100644
--- a/src/mathed/math_scriptinset.h
+++ b/src/mathed/math_scriptinset.h
@@ -25,7 +25,7 @@ public:
 	/// create inset with single script and given nucleus
 	MathScriptInset(MathAtom const & at, bool up);
 	///
-	virtual std::auto_ptr<InsetBase> clone() const;
+	std::auto_ptr<InsetBase> clone() const;
 	///
 	void metrics(MetricsInfo & mi, Dimension & dim) const;
 	///
@@ -98,9 +98,7 @@ public:
 	void infoize2(std::ostream & os) const;
 protected:
 	///
-	virtual
-	DispatchResult
-	priv_dispatch(LCursor & cur, FuncRequest const & cmd);
+	DispatchResult priv_dispatch(LCursor & cur, FuncRequest const & cmd);
 private:
 	/// returns x offset for main part
 	int dxx() const;
diff --git a/src/mathed/math_textinset.C b/src/mathed/math_textinset.C
index d60928a79b..952692be28 100644
--- a/src/mathed/math_textinset.C
+++ b/src/mathed/math_textinset.C
@@ -114,14 +114,14 @@ void MathTextInset::metrics(MetricsInfo & mi, Dimension & dim) const
 			safepos = i;
 			++spaces;
 			// restart chunk with size of the space
-			curr = cell(0)[i].width_;
+			curr = cell(0)[i]->width();
 			continue;
 		}
 
 		if (c != '\n') {
 			// This is a regular char. Go on if we either don't care for
 			// the width limit or have not reached that limit.
-			curr += cell(0)[i].width_;
+			curr += cell(0)[i]->width();
 			if (curr + safe <= mi.base.textwidth)
 				continue;
 		}
@@ -187,8 +187,10 @@ void MathTextInset::draw(PainterInfo & pi, int x, int y) const
 }
 
 
+/*
 void MathTextInset::drawSelection(PainterInfo & pi,
 		idx_type idx1, pos_type pos1, idx_type idx2, pos_type pos2) const
 {
 	cache_.drawSelection(pi, idx1, pos1, idx2, pos2);
 }
+*/
diff --git a/src/mathed/math_textinset.h b/src/mathed/math_textinset.h
index 44ebf919f6..04826766c0 100644
--- a/src/mathed/math_textinset.h
+++ b/src/mathed/math_textinset.h
@@ -30,8 +30,8 @@ public:
 	/// draw according to cached metrics
 	void draw(PainterInfo &, int x, int y) const;
 	/// draw selection background
-	void drawSelection(PainterInfo & pi,
-		idx_type idx1, pos_type pos1, idx_type idx2, pos_type pos2) const;
+	//void drawSelection(PainterInfo & pi,
+	//	idx_type idx1, pos_type pos1, idx_type idx2, pos_type pos2) const;
 	/// moves cursor up or down
 	//bool idxUpDown2(LCursor & pos, bool up) const;
 protected:
diff --git a/src/rowpainter.C b/src/rowpainter.C
index 1bebde2723..d9f8001afe 100644
--- a/src/rowpainter.C
+++ b/src/rowpainter.C
@@ -194,10 +194,11 @@ int RowPainter::leftMargin() const
 
 void RowPainter::paintInset(pos_type const pos)
 {
-	InsetBase * inset = const_cast<InsetBase *>(pit_->getInset(pos));
+	InsetBase const * inset = pit_->getInset(pos);
 	BOOST_ASSERT(inset);
 	PainterInfo pi(const_cast<BufferView *>(&bv_));
 	pi.base.font = getFont(pos);
+	inset->drawSelection(pi, int(x_), yo_ + row_.baseline());
 	inset->draw(pi, int(x_), yo_ + row_.baseline());
 	x_ += inset->width();
 }
diff --git a/src/undo.C b/src/undo.C
index 939aee4530..f517f2ab0e 100644
--- a/src/undo.C
+++ b/src/undo.C
@@ -123,7 +123,7 @@ void recordUndo(Undo::undo_kind kind,
 	ParIterator pit = text2pit(buf, text, textnum);
 	stack.push(Undo(kind, textnum, pit.index(),
 		first_par, end_par, text->cursor().par(), text->cursor().pos()));
-	lyxerr << "undo record: " << stack.top() << std::endl;
+	//lyxerr << "undo record: " << stack.top() << std::endl;
 
 	// record the relevant paragraphs
 	ParagraphList & undo_pars = stack.top().pars;