(:*******************************************************:)
(: Test: K-SeqExprCast-957                               :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:22+01:00                       :)
(: Purpose: 'castable as' involving xs:gYearMonth as source type and xs:untypedAtomic as target type should always evaluate to true. :)
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xs:gYearMonth("1999-11") castable as xs:untypedAtomic