It depends whether the version attribute is set to "1.0" or "2.0".

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: David Carlisle [mailto:davidc@xxxxxxxxx] 
> Sent: 21 June 2005 22:53
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: Re:  function-available() problem while using Saxon
> 
> 
> don't you need to use use-when rather than xsl:choose to guard code
> using the "other" implementtaion of xx:evaluate ?
> 
> David
> 
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