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(:Test:CastableAs031:)
(:Written By:Joanne Tong:)
(:Date:2005-07-21T09:50:17-07:00:)
(:Purpose:Try xs:untypedAtomic(P24M) castable as xs:yearMonthDuration:)
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xs:untypedAtomic("P24M") castable as xs:yearMonthDuration