code: private boolean extendedIdentifierEquals(String eid1, String eid2) {
  		try {
  			return DomHelpers.compare(DomHelpers.toDocument(eid1, null),
  					DomHelpers.toDocument(eid2, null));
  		} catch (MarshalException e) {
  			return false;
  		}
  	}
docs: Compare two extended identifiers
  
  @param eid1 Extended identifier XML string
  @param eid2 Extended identifier XML string
  @return boolean true if both are equal
  @since 0.1.5