2001-12-29  Jody Goldberg <jody@gnome.org>

	* src/gnumeric-canvas.c (gnm_canvas_key_mode_object) : Use
	  cmd_object_delete so that deleting an object with the keyboard is
	  undoable.

	* src/sheet-object-widget.c (sheet_widget_checkbox_clear_sheet) :
	  clear the sheet after unlinking.
	(sheet_widget_radio_button_clear_sheet) : ditto.
	(sheet_widget_list_clear_sheet) : ditto.
	(sheet_widget_combo_clear_sheet) : ditto.