[xacml] AA04: 5.1 PolicySetId explanation clarification

Text location: Section 5.1 (PolicySet), explanation of
PolicySetId (p. 44, lines 1845-1848 in my copy of 18c)

Text change: Change "The party assigning the identifier MUST
minimize the potential of some other party reusing the same
identifier." to  "The party assigning the identifier MUST
minimize the potential of some other party re-using the same
identifier within the scope of the PDPs that may use or reference
that identifier."

Rationale: "How unique does it have to be, Anne?"  "As unique as
necessary, Joe."
-- 
Anne H. Anderson             Email: 
Sun Microsystems Laboratories
1 Network Drive,UBUR02-311     Tel: 781/442-0928
Burlington, MA 01803-0902 USA  Fax: 781/442-1692