Look at what I found on MS'site:
> XSL Pattern Syntax

Microsoft's site still describes their old proprietary dialect of XSL, which
is still confusing vast numbers of beginners, and wasting the time and
energy (and sapping the patience) of people like me whom they turn to for
help.

Mike Kay

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