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(:Test: op-subtract-dayTimeDurations-7                   :)
(:Written By: Carmelo Montanez                           :)
(:Date: June 29, 2005                                    :)
(:Purpose: Evaluates The "subtract-dayTimeDurations" function used  :)
(:as an argument to the "fn:string" function).           :)
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fn:string(xs:dayTimeDuration("P03DT04H08M") - xs:dayTimeDuration("P01DT09H02M"))