(:*******************************************************:)
(:Test: op-subtract-dayTimeDurations-1                   :)
(:Written By: Carmelo Montanez                           :)
(:Date: June 29, 2005                                    :)
(:Purpose: Evaluates The "subtract-dayTimeDurations" function :)
(:As per example 1 (for this function)of the F&O specs.  :)
(:*******************************************************:)

xs:dayTimeDuration("P2DT12H") - xs:dayTimeDuration("P1DT10H30M")