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Re: [xsl] Testing a variable for node

2009-10-09 09:10:39
rowan(_at_)sylvester-bradley(_dot_)org 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(_dot_)Honnen(_at_)gmx(_dot_)de 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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