<attribute name="recurrence" use="optional" default="none"> <simpleType> <union> <simpleType> <restriction base="NMTOKEN"> <enumeration value="none"/> <enumeration value="daily"/> <enumeration value="weekly"/> <enumeration value="monthly"/> <enumeration value="annually"/> </restriction> </simpleType> <simpleType> <restriction base="mpeg7:termReferenceType"/> </simpleType> </union> </simpleType> </attribute> |