Re: What's happened to M-<tab> `completion-at-point'?

[Eli Zaretskii]

> Date: Tue, 3 May 2022 21:06:00 +0000
> From: Alan Mackenzie <acm@muc.de>
> 
> Suddenly, my M-<tab> `completion-at-point' isn't working.  Would
> somebody please explain?

If you press "ESC TAB" instead, what does Emacs do then?

> This is on a recent master branch build.
> 
> I'm not even entirely sure the problem is in Emacs.  Maybe a recent
> update to Linux or the kbd package has messed things up.

Most likely.  M-TAB is frequently used by the OS and the WM on
different systems.