> WTF is a compose key?  

look at an honest-to-God DEC VT dumbterm, and you'll see a 'compose' key on
it. other dumbterms probably have them as well.
As Mr. Goldman implies, it's used for composing foreign characters like the
Spanish characters that have the ~ over them, and such like.

Carl Soderstrom.
-- 
Network Engineer
Real-Time Enterprises
www.real-time.com