2003-06-22  Andreas J. Guelzow <aguelzow@taliesin.ca>

	* widget-format-selector.h: move private data into
	  widget-format-selector.c
	* widget-format-selector.c (populate_menu): new
	(nfs_init): use treeview for categories menu
	(cb_format_class_changed): rewritten
	(set_format_category): new
	(set_format_category_menu_from_style): use set_format_category

	* format-selector.glade: rearrange items to use a treeview
	  for the format categories