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(: Test: K2-SeqIDREFFunc-2                               :)
(: Written by: Frans Englich                             :)
(: Date: 2006-08-04T17:13:26Z                            :)
(: Purpose: A test whose essence is: `(1, 2, 3)[idref("ncname", .)]`. :)
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(1, 2, 3)[idref("ncname", .)]