> And the whole "X is not Y" naming conceit started with students at MIT's > AI Lab, and was applied to several programs. (BTW, the ritual "foo" > and "bar" identifiers [from FUBAR of course] also originated there, > as did "hack" and much else. ;-) And even more amusingly, its etymology is discussed in an RFC: http://www.faqs.org/rfcs/rfc3092.html