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(:Test:CastableAs442:)
(:Written By:Joanne Tong:)
(:Date:2005-07-21T09:50:23-07:00:)
(:Purpose:Try xs:gYearMonth(1999-05Z) castable as xs:duration:)
(:*******************************************************:)

xs:gYearMonth("1999-05Z") castable as xs:duration