(:*******************************************************:)
(:Test: op-subtract-times-12                             :)
(:Written By: Carmelo Montanez                           :)
(:Date: June 28, 2005                                    :)
(:Purpose: Evaluates The "subtract-times" operators used :)
(:with a boolean expression and the "fn:true" function.   :)
(: Uses the "fn:string" function to account for new EBV rules. :)
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fn:string((xs:time("17:00:00Z") - xs:time("13:00:00Z"))) and (fn:true())