Hi Ismaël

> What I do know is first grouping on the attributes, so I get 
> every value
> only once. Therefore I have used the sorting function. The 
> problem is I
> don't find a method to generate the id. I can't use the count function
> because some nodes of the nodeset are not used (only unique values are
> needed). Somebody an idea ?

If you're apply-templates to the distinct nodes, or running over them with a
for-each, then you should be able to use position() in either case. What
does your xslt look like?

Regards,
Tom

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