I knew it sounded familiar. N.B. Regarding the Lisp vs. C issue: the original author, Ron Garret (formerly Erann Gat) is a well-known Lisper. He used Lisp a

I knew it sounded familiar. N.B. Regarding the Lisp vs. C issue: the original author, Ron Garret (formerly Erann Gat) is a well-known Lisper. He used Lisp at JPL for many years before political forces rendered its continued use there untenable.