Re: [xsl] how to assign a NULL to a variable?

Subject: Re: [xsl] how to assign a NULL to a variable?
From: Justin Johansson <procode@xxxxxxxxxx>
Date: Fri, 27 Jul 2007 00:50:15 +0900
>> In XSLT 1.0 you have 4 datatypes: number, boolean, string and nodeset.
>
>actually there is another, and that is the type that will be returned in
>this case (with an xsl:variable with eleemnt content). 
>result tree fragment.
>

Well, yes.  Forgot about that in 1.0 but how would the OP test for a result
tree fragment
for the purposes of signifying "nil" or "null" without incurring a runtime
error, given that the operations
permitted on a result tree fragment are a subset of those permitted on a
node-set?

Justin Johansson

*** A horse with no name is called Lambda ***

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