(Multiple to the left and singular to the right.)

So it's a widget that's about four lines high and with a scroll bar for
further entries...

Well, I didn't know about popup-menu -- does Emacs have support for this
kind of thing, too?  :-)

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no