bug#38457: 27.0.50; dabbrev-expand regression due to message change

[Dmitry Gutov]

On 21.01.2020 19:15, Eli Zaretskii wrote:
> Thanks.  For the record, I only see the problem if I type "C-h f f";
> neither "C-h f asd" nor "C-h f ft" reproduce the issue, because the
> list of the candidates displayed by Icomplete is too short.

Ah, that's right. I was using a small-ish window, one that Emacs opens 
by default. Nothing close to fullscreen.

> I think it is (was) just random, see below.

Hmm, guess so. Though it must have been a peculiar kind of random.

> Solution: use overlay priority.

Thank you, Eli.

I will push my Ido patch shortly as well.