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(: Test: K-NumericAdd-11                                 :)
(: Written by: Frans Englich                             :)
(: Date: 2006-10-05T18:29:36+02:00                       :)
(: Purpose: A test whose essence is: `string(3 + xs:float("NaN")) eq "NaN"`. :)
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string(3 + xs:float("NaN")) eq "NaN"