--021 add complexType Work_order_query--
--022 add element Id_scope to Work_request_query--
--023 add complexType Activity_authorization_query--
--034 modularize xml schemas--
--040 add complexType Item_instance_query--
--042 replace extension Specific_query of complexType Document_structure_query by Relationship_query--
--043 add complexType Item_definition_instance_relationship_query--
--049 add elements Description and Description_language to Work_order_query--
--053 use Concatenatable_query as base of Specific_query--
--057 add complexTypes Item_classification_hierarchy_query and Document_classification_hierarchy_query--
--029 060504 add complexType Product_identification_query--
--030 060504 add element Product_identification_uid to Item_version_query and Item_definition_instance_relationship_query--
--058 060504 add element opaque_server_data to Object_by_uid_query--
--060 060515 add complexType Work_order_is_controlling_query--
--062 060515 add complexType Activity_resolved_request_query--
--064 060515 add complexType External_model_query--
--065 060515 add complexType Geometric_model_relationship_query--
--047 060523 add complextype Project_query --
--048 060523 add complexType Associated_general_classification_query--
--013 060523 add complexType File_property_query--
--025 060524 add complexType Effectivity_assignment_query--
--026 060524 add elements Add_period, Add_start_definition and Add_definition to Effectivity_query--
--027 060524 add complexType Event_reference_query--
--085 061019 add complexType Activity_query--
--086 061019 add complexType Person_query--
--??? 061205 add complexType File_query--