> 
> I think the error message is clear. But according to 
> 
> http://www.exslt.org/str/index.html 
> 
> the concat(node-set) should work with EXSLT. 
> 
But you weren't using EXSLT's str:concat() function, you were using the
(unnamespaced) concat() function from the core library.


> Why Im trying with concat is that I need the string as a variable 
> and not in the output. 
> 

Then do what the guy showed you:

<xsl:variable name="x">
  <xsl:for-each select="y">
     <xsl:value-of select="."/>
  </
</
<xsl:variable name="z" select="string($x)"/>

Michael Kay


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list