many thanks,
Jim.
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
* Name : James Langdale-Brown *
* E-mail : jim@uk.ac.ed.epc from JANET or *
* : jim@epc.ed.ac.uk from elsewhere *
* Phone : +44 31 225 6262 *
* Fax : +44 31 225 6644 *
* Organisation : Edinburgh Portable Compilers Ltd *
* Address : 17 Alva Street, Edinburgh, Scotland, EH2 4PH *
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */