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(: Test: K-SeqExprCast-1423                              :)
(: Written by: Frans Englich                             :)
(: Date: 2006-10-05T18:29:39+02:00                       :)
(: Purpose: Verify with 'instance of' that the xs:QName constructor function produces values of the correct type. The subsequence() function makes it more difficult for optimizers to take short cuts based on static type information. :)
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        subsequence(("dummy", 1.1, xs:QName("ncname")), 3, 1) instance of xs:QName