> >That should probably be sum($contemporaries/parent::group/@income)
> 
> Oops, yup, that must have been David. :->

actually no, you need to work harder than that in xslt 1 (see my reply
to the OP:-)

David

________________________________________________________________________
The Numerical Algorithms Group Ltd is a company registered in England
and Wales with company number 1249803. The registered office is:
Wilkinson House, Jordan Hill Road, Oxford OX2 8DR, United Kingdom.

This e-mail has been scanned for all viruses by Star. The service is
powered by MessageLabs. 
________________________________________________________________________