2011-02-16  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* openoffice-read.c (odf_validation_new_list): also read
	expressions as allowed in ODF1.2
	(odf_validations_translate): add a few stubs for other
	validation types.
	* openoffice-write.c (odf_write_objects): don't write
	validation combos
	(odf_write_cell): write validation name
	(odf_validation_general_attributes): new
	(odf_validation_in_list): new
	(odf_print_spreadsheet_content_validations): new
	(odf_print_spreadsheet_content_prelude): connect the above

2011-02-15  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* src/validation-combo.h (IS_GNM_VALIDATION_COMBO): new