Re: [xsl] Testing if variable exists

Subject: Re: [xsl] Testing if variable exists
From: David Carlisle <davidc@xxxxxxxxx>
Date: Wed, 22 May 2002 17:34:45 +0100
> How anyone know if there is a way to test to see if a variable of a 
> particular name exists

You should never need to do this: You can tell whether or not a variable
is in scope by looking at the stylesheet, it never depends on runtime

So either the variable is in scope, in which case it has a value, or it
isn't in scope in which case you can't test for it.


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