At 15:08 04/06/03 +0100, Liyang HU wrote: >A key point is to try and think of how you can relate one case of the >problem to a simpler instance of the same problem, rather than tackling it >head on. I think that's a good idea to hang on to. Sometimes easier to say than to do, it seems. Thanks, #g ------------------- Graham Klyne <GK@NineByNine.org> PGP: 0FAA 69FF C083 000B A2E9 A131 01B9 1C7A DBCA CB5E