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[xsl] counting number of occurances in elements

2007-08-11 06:41:20
I want to count number of occurances in elements in under a particular
node in XML document and store the value of same in a variable :
 
<xsl:variable name="compiler.warn.count"
select="count(substring($compiler.warn.loc,2,5)='WARNING')" />
 
But I get the following error message when try to see the results in
browser :
 
Expression does not return a DOM
node.-->count(substring($compiler.warn.loc,2,5)='WARNING')<--
 
Does somebody know, how this can be accomplished ?
 
Thanks for any help!
 
Regards.


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