In message <Marcel-1.53-0411122916-d07TyHp@Eld809.Sulgrave.nene.ac.uk>, Bob Ansell <bob.ansell@northampton.ac.uk> writes > >MSW Logo implements FD, BK UP and DOWN and I find it much more difficult >to work with these. And RIGHTROLL and LEFTROLL -- Mark Houghton mark@mhark.demon.co.uk