2002-12-25  Jody Goldberg <jody@gnome.org>

	* ms-excel-write.c (excel_write_state_new) : register sheets with
	  filters.  check validation exppressions for sheets.
	(excel_write_prep_validations) : new.
	(excel_sheet_new) : init validation lists here if necessary.
	(excel_write_DVAL) : not here.