SET OF/SEQUENCE OF interaction with named and unnamed CHOICE

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+0.9.20:	2005-Nov-07
+
+	* SET OF CHOICE, SEQUENCE OF CHOICE and a certain named S/O types
+	  are represented differently in XER. THIS IS AN ICOMPATIBLE CHANGE.
+	  (Test case 70) (Severity: low; Security impact: low)
+
 0.9.19:	2005-Oct-06
 
 	* A proper solution to circular references. No kludge flags