(*
 $Id$
 ISO TC184/SC4/WG12 N1195 - ISO/TS 10303-1124 Document structure - EXPRESS ARM
*)


SCHEMA Document_structure_arm;

USE FROM Document_definition_arm;  
USE FROM File_identification_arm; 
  
ENTITY Document_definition_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating_document_definition : Document_definition;
  related_document_definition : Document_definition;
WHERE
  WR1: relating_document_definition :<>: related_document_definition;
END_ENTITY;

ENTITY File_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating_document_file : File;
  related_document_file : File;
WHERE
  WR1: relating_document_file:<>: related_document_file;
END_ENTITY;

END_SCHEMA;
