Stephen J. Turnbull wrote: >>>>>>"Tokio" == Tokio Kikuchi <tkikuchi at is.kochi-u.ac.jp> writes: > > > Tokio> - Is the terminology 'sibling' appropriate? > > I hesistate to give it a +1 because I know I think differently from > most people, but FWIW I *did* guess what it does from that name. Ditto. jc