2001-04-18  Jody Goldberg <jgoldberg@home.com>

	* src/sheet.c (sheet_cell_set_expr) : clear old span when an
	  expression is assigned.
	(sheet_cell_set_text) : ditto.

	* src/application.c (application_init) : add new icons.

	* src/workbook-control-gui.c : Use the new icons.
	* src/GNOME_Gnumeric.xml : ditto.