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(: Test: K-FilterExpr-69                                 :)
(: Written by: Frans Englich                             :)
(: Date: 2006-10-05T18:29:36+02:00                       :)
(: Purpose: A test whose essence is: `deep-equal((1, 2, 3), (1, 2, 3)[number(.)])`. :)
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deep-equal((1, 2, 3), (1, 2, 3)[number(.)])