%IDType:	 base(xs:string) ;
%IDReferenceType:	 base(xs:string) ;
Status	 -> %StatusType
%StatusType:
  Status*
  @code	 -> %xs:QName
  @ref?	 -> %xs:NCName
  @comment?	 -> %xs:string
  ;
%EmptyType:	 base(xs:anyType) ;
Extension	 -> %extensionType
%extensionType:
  any+  ns(##other)  processContents(lax)
  ;
