Normally on OS X if you hold down a key, e.g. the
a you get a menu after a little while that allows you to input an accented character. It looks like this:
Is it possible to activate this input dialogue from Emacs? Doing it the same way as on other OS X apps (by holding down a key) would be great, but I'd accept just being able to bind it to a key combination.
Edit: I install Emacs from http://emacsformacosx.com