Issue 17853: Why is value optional (uml25-ftf) Source: Nomos Software (Dr. Edward Willink, ed(at)willink.me.uk) Nature: Clarification Severity: Minor Summary: Why is value optional Resolution: Revised Text: Actions taken: September 26, 2012: received issue Discussion: End of Annotations:===== s is issue # 17853 Problem: 8.044 Severity: Medium Type: Clarification Location: 8.6 p 93 LiteralString Title Why is value optional Description: Source: Edward Willink