User: I'm having trouble with this editor.
Admin: Which one are you using?
User: Um, I dunno.
Admin: Emacs? Which version are you running?
User: Umm, I'm running version vi, and having heaps of trouble. Is vii out?
Admin: Say what?
User: Have they done anything new?
Admin: Well... Yeah, they're up to xv now, but that needs a special graphical
User: Oh, well, thanks anyway.
All unaccompanied children will be given espresso and a free kitten.