GNU bug report logs - #20140
24.4; M17n shaper output rejected

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Message #58 received at 20140 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Richard Wordingham <richard.wordingham <at> ntlworld.com>
Cc: 20140 <at> debbugs.gnu.org, handa <at> gnu.org, larsi <at> gnus.org
Subject: Re: bug#20140: 24.4; M17n shaper output rejected
Date: Sat, 12 Feb 2022 20:54:20 +0200

> Date: Tue, 8 Feb 2022 22:13:10 +0000
> From: Richard Wordingham <richard.wordingham <at> ntlworld.com>
> Cc: larsi <at> gnus.org, 20140 <at> debbugs.gnu.org, Kenichi Handa <handa <at> gnu.org>
> 
> On Sun, 06 Feb 2022 10:11:08 +0200
> Eli Zaretskii <eliz <at> gnu.org> wrote:
> 
> > I don't see the commands forward-char-intrusive and
> > backward-char-intrusive anywhere in Emacs, so I guess they are your
> > local changes, based on the code posted by Handa-san in this
> > discussion?
> 
> That's a shame; they are indeed local, sitting in my initialisation
> file (.emacs).  (I future-proofed myself too well.)  They are well worth
> adding to the general store of emacs commands, and mentioning in
> documentation next to forward-char and backward-char.

I've now added a similar feature to what will become Emacs 29 at some
future point.  The code is based on that old post by Handa-san, but I
decided to change its user-facing aspects: instead of new commands, I
added a new user option, which, if set non-nil, disables
auto-composition at point, and thus allows point to "enter" the
composed sequence.  I think this is better for 2 reasons:

  . no need to introduce new cursor motion commands, for which it will
    be hard to find a convenient key binding (using C-S-f/C-S-b will
    conflict with the shift-selection feature, for example);

  . the user option affects cursor motion by any means, so it's more
    general thus I hope will be more convenient.

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