> Hi,
>         I get the message "namespace self used but not 
> declared"  probably
> because oraclexmlparserv2 doesn't support self function.


No, you get it because you typed self:xyz instead of self::xyz.

(When you get an error message from a widely-used piece of software, there
is a 99% chance that it's a bug in your code, not in the product.)

Michael Kay
http://www.saxonica.com