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[xsl] defaulting empty node to zero

Subject: [xsl] defaulting empty node to zero
From: Chuck Paussa <cpaussa@xxxxxxxxxxxxx>
Date: Fri, 24 May 2002 13:03:02 -0700
I want to find the numeric value of a node. If the node is empty (e.g.: <taxAmount/>) I want zero. I also want zero when applying sum() to the same or a set of similar nodes.
Is there a solution to this problem other than setting a variable, check the variable = NaN, return the variable or zero?

Chuck


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