1999-02-06  Miguel de Icaza  <miguel@nuclecu.unam.mx>

	* src/file.c (fill_save_menu): Creates an option menu with the
	file format to save on.
	(workbook_save_as): Use the saver selected by the user.
	(saver_activate): Keep track of the current file save format, set
	as default.
	gnumeric_file_savers, gnumeric_file_openers: made static.