I think it pertinent to introduce a couple of my early professors: Yorick Wilks and Tony Brooker (the man who wrote the first Compiler-Compiler). http://www.oii.ox.ac.uk/people/?id=31 https://en.wikipedia.org/wiki/Tony_Brooker http://history.computer.org/pioneers/brooker.html Kindest Regards, Tom. * To join/leave the list, search archives, change list settings, * * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *