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

[Alan Mackenzie]

Hello, Eli.

On Wed, May 04, 2022 at 09:32:13 +0300, Eli Zaretskii wrote:
> > 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?

I get the message

    [backtab] is undefined

> > 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.

I'm on the Linux console.  It seems that terminfo has started behaving
differently, as I outlined in my reply to Lars.

There doesn't seem to be any problem in X Windows.

-- 
Alan Mackenzie (Nuremberg, Germany).