I too would like to thank the moderators.
Further, and more interestingly to me, I learn that HN is written in a LISP variant called ARC... I've never understood LISP, and especially never thought that anything useful could be built with it... at least at the subconscious level, yet I know AutoCad and Emacs are built around it. I have similar feelings about Prolog, which I tried once and just didn't grok.
Is there an IDE for lisp?