--001 change type of element Effective_element in complexType Effectivity_assignment to IDREFS-- --003 change type of element Element in complexType Activity_element to IDREFS-- --004 change type of element Classified_element in complexType Classification_association to IDREFS-- --005 change type of element Model_extent in complexType External_geometric_model to IDREF (Numerical_value)-- --006 change type of element Probability_rate in complexType Supplier_solution to double-- --007 change type of elements Start_date and End_date in complexType Dated_configuration to IDREF (Event_or_date_select)-- --008 change type of element Lot_size in complexType Lot_configuration to IDREF (Value_with_unit)-- --010 replace ref to xml:lang with local attribute definition and remove import of xml.xsd-- --011 replace xs:choice in PLM_container with xs:sequence-- --034 modularize xml schemas-- --054 set for Activity_element.Element, Effectivity_assignment.Effective_element, Document_assignment.Assigned_document, Classification_association.Classified_element nillable=true-- --??? add interface Identifiable to Document_file-- --??? remove element Axis2_placement_3d from PLM_container--