2005-06-10  Morten Welinder  <terra@gnome.org>

	* src/xml-sax-write.c (xml_write_sheet): Write visibility.

	* src/xml-sax-read.c (xml_sax_attr_enum): New function.
	(xml_sax_sheet_start): Restore visibility.

	* src/xml-io.c (xml_read_selection_info): Don't crash if we lack a
	view.
	(xml_write_selection_info): Ditto.
	(xml_sheet_read): Restore visibility.
	(xml_sheet_write): Write visibility.