Forgot to include that reference: [Lee 89]: P Lee, _Realistic_Compiler_Generation_. MIT, Cambridge, Massachusetts. fnord, jac -- James A. Crippen, CS/Math tenured undergrad <<Lambda calculus .-. crippenj@saturn.math.uaa.alaska.edu uber alles!>> \ If the future isn't what it used to be, does that mean that the past /\ is subject to change in times to come? / \