Accepted in part. wd30 provides UML models to show inheritance relationships. This is reverse engineered from the schemas for wd30. Note that the normative work product includes the schemas and specification; the UML is non-normative but is a representation of key relationships. As in the past, an Enterprise Architect Project file based on the schemas and as used to produce the diagrams will be published as a contribution on the EMIX TC site. Thank you for the recommendation; the document relationships are more clear with the UML diagrams included.