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(: Test: K-SeqExprCast-283                               :)
(: Written by: Frans Englich                             :)
(: Date: 2006-10-05T18:29:37+02:00                       :)
(: Purpose: Testing timezone field in xs:gYearMonth: the minute component cannot be +60. :)
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xs:gYearMonth("1999-01+10:60")