Extensible select and enumeration types

and their elements in schema ANNOTATED_PRESENTATION_XIM taking into account BASED_ON types


 annotation_representation_select - EXTENSIBLE SELECT
          area_dependent_annotation_representation
          presentation_area
          presentation_view
          symbol_representation
          view_dependent_annotation_representation

 constructive_element_select - EXTENSIBLE GENERIC_ENTITY SELECT
          axis2_placement
          curve
          point_select
          surface

 external_identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          document_file
          file
          trimmed_curve

 groupable_item - EXTENSIBLE GENERIC_ENTITY SELECT

 identification_item - EXTENSIBLE SELECT
          document_file
          representation
          shape_representation

 invisible_item - EXTENSIBLE GENERIC_ENTITY SELECT
          presentation_layer_assignment
          representation
          styled_item

 template_definition_select - EXTENSIBLE SELECT
          shape_representation

 versionable_item - EXTENSIBLE SELECT
          document_file
          shape_representation