> From: Tony Duell > It's one of Don Vonada's laws.
Ah, thank you, thank you, that's the one I was looking for! I knew _you_'d know it! :-) > A related one ... came from Professor M. V. Wilkes That one I _did_ remember (although I couldn't remember if it was Wilkes or Wheeler - I knew it was one of those Cambridge guys :-), but it's not quite as pithy as the Vonada one. Noel