On Tue, May 24 2011, Stefan Monnier wrote:

> I've now added a :exit-function property that
> completion-at-point-functions can return which is a function that gets
> called when completion is finished.  It operates outside of the
> completion-table, so has access to the buffer text and can do things
> like abbrev-expand.
>
> It gets a status argument which tells it whether the completion is
> `exact' (basically, it's valid according to the completion-table, but
> there may be further completions available), `sole' (it's the only
> completion), and `finished' (not only it's the sole completion, but the
> user is not expected to want to change it).  `sole' is used by cycling,
> so the :exit-function can call abbrev-expand when the status is
> `finished' and it won't interfere with cycling (which simply won't
> benefit from abbrev-expansion).

That sounds really tremendous Stefan! Just what was needed.

Thanks a lot.

-- 
Julien Danjou
❱ http://julien.danjou.info