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(: Test: K-DataFunc-3                                    :)
(: Written by: Frans Englich                             :)
(: Date: 2006-10-05T18:29:39+02:00                       :)
(: Purpose: A test whose essence is: `count(data((1, 2, 3, 4, 5))) eq 5`. :)
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count(data((1, 2, 3, 4, 5))) eq 5