I *thought* this would return true if the value, when cast,
returned a valid float.
NaN is a valid float....
Try xs:decimal instead.
David
--
http://www.dcarlisle.demon.co.uk/matthew
________________________________________________________________________
This e-mail has been scanned for all viruses by Star Internet. The
service is powered by MessageLabs. For more information on a proactive
anti-virus service working around the clock, around the globe, visit:
http://www.star.net.uk
________________________________________________________________________
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list