2005-07-11  Kristian Rietveld  <kris@gtk.org>

	* gtk/gtktreeview.c (gtk_tree_view_class_init): add binding entry
	for ctrl + backspace (move focus to parent without affecting
	selection),
	(gtk_tree_view_real_select_cursor_parent): implement ctrl+backspace
	and simplify the function a bit. (#309296, Kathy Fernandes).