Jochen is having trouble linking to ql-users right now - his mail bounces, which is why we had forwarded mail (from Bruce N) .... so do not read anything into Jochen's small involvement in the discussion. -- QBBS (QL fido BBS 2:252/67) +44(0)1442-828255 tony@<surname>,demon.co.uk http://www.firshman.demon.co.uk Voice: +44(0)1442-828254 Fax: +44(0)1442-828255 TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG