Issue 17991: Location: p. 328 Regions - Resolve intentional ambiguity (uml25-ftf) Source: International Business Machines (Mr. Omar Badreddin, oobahy(at)gmail.com) Nature: Revision Severity: Minor Summary: This is an area of intentional ambiguity. Why not just make a choice regarding a region with no start state? I would suggest that UML should allow a region without a start state and go with the second choice "the region remains inactive while the containing state is active." Resolution: Revised Text: Actions taken: September 27, 2012: received issue Discussion: End of Annotations:===== s is issue # 17991 Problem: 14.047 Severity: Minor Type: Ambiguity Location: p. 328 Regions Title: Resolve intentional ambiguity This is an area of intentional ambiguity. Why not just make a choice regarding a region with no start state? I would suggest that UML should allow a region without a start state and go with the second choice "the region remains inactive while the containing state is active." Source: Omar Bahy Badreddin