You could post it here and ask...

Or you could try it on an XSLT 1.0 processor and see if it complains.

Regards,

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

> -----Original Message-----
> From: Ben Stover [mailto:bxstover@xxxxxxxxxxx] 
> Sent: 15 October 2009 10:00
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  How to find out the lowest XSLT version 
> required for a given XSLT script?
> 
> Assume I have a XSLT script with a couple of instructions inside.
> 
> How can I find the lowest XSLT + XQuery + XPath standard 
> version whichs covers all features of this script?
> 
> Ben