DSS2 — Service 10.31: Get Range Bounds: invalid region

If the designator of a region template, instead of a designator of either a region specification or a region realization copy, is used as an argument to this service, then this service would not be able to return the range bounds for those dimensions of the region template that have not yet been set. Therefore, to avoid this situation in which behavior is undefined, a new precondition should be added to this service that says, "All supplied region designators are designators of either region specifications or of region realization copies." If a region designator specified is not a designator of a region specification or of a region realization copy, the "Invalid region" exception shall be generated.

Add the suggested new pre-condition.