Minor fix.

Minor fix.

Tue Dec  4 18:38:35 2001  Jonathan Blandford  <jrb@redhat.com>

	* demos/gtk-demo/main.c: (create_tree): Minor fix.

	* docs/tree-column-sizing.txt: Update

	* gtk/gtkrbtree.[ch]: Massive work to support validation.

	* gtk/gtktreemodel.c: Doc fixes.

	* gtk/gtktreeview.c: Incremental reflow added.
	* gtk/gtktreeviewcolumn.c: ditto
	* gtk/gtktreeviewcolumn.h: ditto

itty bitty ChangeLog entry.  Big 'ol changes.