> in addition to your list, probably a useful thing would be
> to have a direct link to the "known bugs" and "extensions" 
> lists of each of the tools from their web sites.

The SAXON known errors list is posted at intervals to saxon.xsl@xxxxxxxxxxx,
and can be found in the list archives via http://saxon.xsl.listbot.com/,
though the actual URL will vary for each posting.

SAXON extension elements are described on
http://users.iclway.com/mhkay/saxon/xsl-elements.html, while extension
functions and the extensibility mechanisms are described on
http://users.iclway.com/mhkay/saxon/extensibility.html

A statement of SAXON conformance to the XSLT and XPath specs can be found at
http://users.iclway.com/mhkay/saxon/conformance.html, 

Mike Kay 


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