As far as I know the only grouping technique in pure XSLT 1.0 that can group
across multiple documents is Ken Holman's variable-based grouping approach.
Google it.

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


> -----Original Message-----
> From: Henning Waack [mailto:henning.waack@xxxxxx] 
> Sent: 04 March 2005 19:16
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: Re:  copy without duplicates
> 
> Hello David and Jim.
> 
> David wrote
> > However if you have a node-set extension (almost every system except
> > mozilla has one) then you can  do your two-pass version 
> within the same
> > stylesheet as usual with node-set.
> 
> Jim wrote
>  > could prob use a recursive EXSLT set:distinct
>  > http://www.exslt.org/set/functions/distinct/index.html
>  >
> 
> Thanks for your answers, these are interesting solutions. 
> But I am looking primarily for an XSLT1.0-only way, without 
> extensions. Do you know another solution, is there any??
> 
> Thanks and greetings,
> 
> Henning