(:*******************************************************:)
(:Test:CastableAs114:)
(:Written By:Joanne Tong:)
(:Date:2005-07-21T09:50:19-07:00:)
(:Purpose:Try xs:string(-P21M) castable as xs:yearMonthDuration:)
(:*******************************************************:)

xs:string("-P21M") castable as xs:yearMonthDuration