>rowan@xxxxxxxxxxxxxxxxxxxxx wrote:
>> How do I test a variable to see whether it contains a node, or something
>> else (usually, in the case I'm working on, an empty string)? Everything I
>> try causes an error if the variable contains a string. I have some code
>> that will only work on nodes, and before calling this code I need to test
>> and do something different if the variable doesn't contain a node.

Martin.Honnen@xxxxxx wrote:
>Is that XSLT/XPath 1.0 or 2.0?
>With 2.0 there is the operator 'instance of':
>   $v instance of node()

I'm using 2.0 and this does exactly what I need. Great advice as usual!

Thanks - Rowan


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