>
> In the general case even using generate-id() will not provide
uniqueness -- 
> the same node may be produced many times,

Oopps, I meant "the same node may be *processed* many times".


=====
Cheers,

Dimitre Novatchev.
http://fxsl.sourceforge.net/ -- the home of FXSL




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