you can't type the return type as a mixed sequence but rather than
forcing it all to be string and then having to cast it back to a number,
you could just type the thing more losely (or not at all) as="item()*
for example would allow you to return a sequence of a string and two
integers.


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. 
________________________________________________________________________