>  >    C-x 1
 >  >    C-x 3
 >  >    windmove-right
 >  >    C-x 2
 >  >    windmove-down
 >  >    C-x 0
 >  >
 >  > For me it stops in the left window, not the right as I expect.
 >
 > Looks like a bug indeed.  It behaves this way in the current trunk but
 > doesn't so in my Emacs.  I'll have to look into this.

OK the problem is with the following assignment in delete_window:

	/* Otherwise, try another window for SWINDOW.  */
	swindow = Fnext_window (swindow, Qlambda, Qnil);

This will fail to pick a useful window when deleting the bottom-right
window of a frame.  I use

	/* Otherwise, try another window for SWINDOW.  */
	swindow = Fprevious_window (swindow, Qlambda, Qnil);

which is better for me but fails miserably when deleting the
top-left window of a frame.  So maybe we need something like the
attached patch.  Could you try it?

martin