> If I set up a global parameter and the value is blank, how do 
> I assign a value later in my mapping?  And if you can't is 
> there a better way to do the above scenario.

"later" - there's the giveaway. You're still thinking of XSLT as a
sequential language. The "better way" is to think functionally: you need
to define the variable as a function of the input.

Michael Kay


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