From: Hongyi Zhao <hongyi.zhao@gmail.com>
To: Yuri Khan <yuri.v.khan@gmail.com>
Cc: help-gnu-emacs <help-gnu-emacs@gnu.org>,
Eric S Fraga <e.fraga@ucl.ac.uk>
Subject: Re: S-TAB, <S-tab>, and <backtab>
Date: Thu, 16 Sep 2021 08:09:30 +0800 [thread overview]
Message-ID: <CAGP6POL2FKGFOWkUASO-jQw-4VztyiCZKUEBMP5=iMpt+QsL5g@mail.gmail.com> (raw)
In-Reply-To: <CAP_d_8Udjsw4B7ZY6Fmd6q1-W-XRNg3dFDW3tKktRs8nGmdv=g@mail.gmail.com>
On Thu, Sep 16, 2021 at 12:17 AM Yuri Khan <yuri.v.khan@gmail.com> wrote:
>
> On Wed, 15 Sept 2021 at 19:39, Hongyi Zhao <hongyi.zhao@gmail.com> wrote:
>
> > But I still don't understand why my observed behavior is inconsistent
> > with Emacswiki's description.
>
> Because Emacs does not receive key combinations directly from the
> keyboard. It gets them from a platform-specific lower-level input
> subsystem. For example, on X11, XKB translates Shift+Tab to Shift + a
> special ISO_Left_Tab pseudo-keysym (see
> /usr/share/X11/xkb/symbols/pc). Emacs then translates that to a
> <backtab> event.
Thank you for your explanation, and I confirmed your above comment:
$ egrep -i Tab /usr/share/X11/xkb/symbols/pc
key <TAB> { [ Tab, ISO_Left_Tab ] };
Best, HZ
prev parent reply other threads:[~2021-09-16 0:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-14 10:16 S-TAB, <S-tab>, and <backtab> Hongyi Zhao
2021-09-14 10:54 ` Eric S Fraga
2021-09-15 0:13 ` Hongyi Zhao
2021-09-15 10:14 ` Eric S Fraga
2021-09-15 12:38 ` Hongyi Zhao
2021-09-15 16:17 ` Yuri Khan
2021-09-16 0:09 ` Hongyi Zhao [this message]
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