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From: <tomas@tuxteam.de>
To: emacs-devel@gnu.org
Subject: Re: What's happened to M-<tab> `completion-at-point'?
Date: Thu, 5 May 2022 07:03:58 +0200	[thread overview]
Message-ID: <YnNavqG1PaOH5fqE@tuxteam.de> (raw)
In-Reply-To: <YnLq+AMDPW6UCaOL@ACM>

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On Wed, May 04, 2022 at 09:07:04PM +0000, Alan Mackenzie wrote:
> Hello, Yuri.
> 
> On Thu, May 05, 2022 at 03:31:24 +0700, Yuri Khan wrote:
> > On Thu, 5 May 2022 at 03:16, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> 
> > > AFAIK the `backtab` is usually used for `S-tab` rather than `M-tab`.
> > > What do you get if you hit the TAB key together with the Shift modifier?
> > > Does Emacs also receive the ESC TAB byte sequence in that (and then maps
> > > it back (correctly this time) to `backtab`)?
> 
> > On my Ubuntu 22.04 with Linux 5.15.0, in tty, both Shift+Tab and
> > Alt+Tab produce an ESC TAB sequence. So probably the problem on the
> > ncurses/terminfo side is induced by a problem on the Linux side.
> 
> I don't think this is actually the case.  If you look at the keyboard
> mapping file in the kernel:
> 
> /usr/src/linux-5.15.32/drivers/tty/vt/defkeymap.map
> 
> , the entry for key 15, the tab key, looks like this:
> 
> #########################################################################
> keycode  15 = Tab              Tab
>         alt     keycode  15 = Meta_Tab
> #########################################################################

I can confirm here that alt-tab and shift-tab both translate to esc+tab.
Only the Linux console, bash cat and hexdump -C were involved.

Debian buster, Linux kernel 5.10.0-14-amd64.

Cheers
-- 
t

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  reply	other threads:[~2022-05-05  5:03 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-03 21:06 What's happened to M-<tab> `completion-at-point'? Alan Mackenzie
2022-05-04  6:32 ` Eli Zaretskii
2022-05-04 16:34   ` Alan Mackenzie
2022-05-04 16:40     ` Eli Zaretskii
2022-05-04 18:13       ` Alan Mackenzie
2022-05-04 18:55         ` Eli Zaretskii
2022-05-04 19:10           ` Alan Mackenzie
2022-05-04 19:47             ` Yuri Khan
2022-05-04 20:16               ` Stefan Monnier
2022-05-04 20:31                 ` Yuri Khan
2022-05-04 20:50                   ` Stefan Monnier
2022-05-04 21:07                   ` Alan Mackenzie
2022-05-05  5:03                     ` tomas [this message]
2022-05-05  6:20                     ` Eli Zaretskii
2022-05-05 16:57                       ` Alan Mackenzie
2022-05-05 17:28                         ` Eli Zaretskii
2022-05-06 23:19                           ` Richard Stallman
2022-05-07 11:03                             ` Alan Mackenzie
2022-05-08 23:35                               ` Richard Stallman
2022-05-04 20:35               ` Alan Mackenzie
2022-05-04 19:16           ` Tassilo Horn
2022-05-04 19:39             ` Eli Zaretskii
2022-05-04 19:45               ` Tassilo Horn
2022-05-04 19:57               ` Andreas Schwab
2022-05-04  6:33 ` Lars Ingebrigtsen
2022-05-04 16:26   ` Alan Mackenzie

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