From: Eli Zaretskii <eliz@gnu.org>
To: Robert Pluim <rpluim@gmail.com>
Cc: rgm@gnu.org, 39799@debbugs.gnu.org, mfabian@redhat.com
Subject: bug#39799: 28.0.50; Most emoji sequences don’t render correctly
Date: Wed, 22 Sep 2021 16:47:39 +0300 [thread overview]
Message-ID: <83czp0wwlg.fsf@gnu.org> (raw)
In-Reply-To: <87sfxxf0kr.fsf@gmail.com> (message from Robert Pluim on Wed, 22 Sep 2021 10:59:00 +0200)
> From: Robert Pluim <rpluim@gmail.com>
> Cc: rgm@gnu.org, 39799@debbugs.gnu.org, mfabian@redhat.com
> Date: Wed, 22 Sep 2021 10:59:00 +0200
>
> Eli> AFAICT, the composition machinery doesn't allow to have a rule with
> Eli> non-zero PREV-CHARS where PREV-CHARS are supposed to match characters
> Eli> that have their own rules in composition-function-table. Such rules
> Eli> are never considered, because once the rules for a character are
> Eli> processed, we never reconsider what to do with that character. I will
> Eli> ask Kenichi Handa whether my conclusion is indeed correct, but for
> Eli> now, I think we should take the fire escape you mentioned earlier:
>
> OK. Those are surprising semantics. If it does turn out to be like
> that, we should document it.
We could probably lift this restriction if we change the logic in
composition_compute_stop_pos: it currently returns as soon as it finds
the first character with a valid entry in composition-function-table,
instead of keeping looking until it finds the one whose rule's PATTERN
starts at the smallest character position. But even if it turns out
there are no problems with such a change, I wouldn't do it for Emacs 28.
next prev parent reply other threads:[~2021-09-22 13:47 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-26 14:28 bug#39799: 28.0.50; Most emoji sequences don’t render correctly Mike FABIAN
2020-02-28 7:14 ` Eli Zaretskii
2020-02-28 7:36 ` Mike FABIAN
2020-02-28 8:25 ` Eli Zaretskii
2020-02-28 12:21 ` Robert Pluim
2020-02-28 12:46 ` Mike FABIAN
2020-02-28 13:19 ` Robert Pluim
2020-02-28 13:50 ` Mike FABIAN
2020-02-28 13:56 ` Eli Zaretskii
2020-02-28 14:44 ` Mike FABIAN
2020-02-28 13:08 ` Eli Zaretskii
2020-02-28 13:47 ` Mike FABIAN
2020-02-28 13:54 ` Eli Zaretskii
2020-02-28 14:14 ` Robert Pluim
2020-02-28 14:45 ` Eli Zaretskii
2020-02-28 15:32 ` Mike FABIAN
2020-02-28 15:57 ` Robert Pluim
2020-02-28 15:39 ` Robert Pluim
2020-02-28 16:38 ` Mike FABIAN
2020-02-28 14:46 ` Eli Zaretskii
2020-02-28 15:35 ` Robert Pluim
2020-02-28 15:44 ` Eli Zaretskii
2020-02-28 16:24 ` Robert Pluim
2020-02-28 17:30 ` Mike FABIAN
2020-02-28 17:55 ` Mike FABIAN
2020-02-28 18:01 ` Robert Pluim
2020-02-28 19:29 ` Mike FABIAN
2020-02-28 19:34 ` Mike FABIAN
2020-02-28 21:32 ` Mike FABIAN
2020-02-28 21:38 ` Robert Pluim
2020-02-28 20:21 ` Eli Zaretskii
2020-02-28 20:25 ` Eli Zaretskii
2020-02-28 21:02 ` Eli Zaretskii
2020-02-28 21:47 ` Robert Pluim
2020-02-28 22:07 ` Eli Zaretskii
2020-02-29 7:50 ` Mike FABIAN
2020-02-29 9:40 ` Eli Zaretskii
2020-02-29 10:45 ` Mike FABIAN
2020-02-28 21:10 ` Mike FABIAN
2020-02-28 21:49 ` Eli Zaretskii
2020-02-29 7:59 ` Mike FABIAN
2020-02-29 10:04 ` Eli Zaretskii
2020-02-29 11:14 ` Mike FABIAN
2020-02-29 11:52 ` Eli Zaretskii
2020-02-29 16:59 ` Mike FABIAN
2020-02-28 20:13 ` Eli Zaretskii
2020-02-28 20:38 ` Robert Pluim
2020-02-28 20:55 ` Eli Zaretskii
2020-02-28 21:22 ` Robert Pluim
2020-02-28 21:27 ` Mike FABIAN
2020-02-28 21:52 ` Eli Zaretskii
2020-02-29 8:01 ` Mike FABIAN
2020-02-29 9:49 ` Eli Zaretskii
2020-02-29 10:26 ` Mike FABIAN
2020-02-29 11:19 ` Eli Zaretskii
2020-02-29 11:36 ` Mike FABIAN
2020-02-29 11:58 ` Eli Zaretskii
2020-02-29 17:03 ` Mike FABIAN
2020-02-29 17:19 ` Eli Zaretskii
2020-02-29 11:41 ` Mike FABIAN
2020-02-29 12:02 ` Eli Zaretskii
2020-02-29 17:14 ` Mike FABIAN
2020-02-29 17:27 ` Eli Zaretskii
2020-03-02 9:10 ` Robert Pluim
2020-03-02 11:02 ` Eli Zaretskii
2020-02-28 21:14 ` Mike FABIAN
2020-02-28 21:50 ` Eli Zaretskii
2020-02-28 16:19 ` Eli Zaretskii
2020-02-28 16:39 ` Robert Pluim
2020-02-28 20:16 ` Eli Zaretskii
2020-02-28 20:56 ` Robert Pluim
2021-09-20 20:38 ` Robert Pluim
2021-09-21 9:16 ` Eli Zaretskii
2021-09-21 10:34 ` Robert Pluim
2021-09-21 10:54 ` Eli Zaretskii
2021-09-21 11:31 ` Eli Zaretskii
2021-09-21 17:43 ` Robert Pluim
2021-09-21 18:28 ` Eli Zaretskii
2021-09-22 9:02 ` Robert Pluim
2021-09-24 19:28 ` Mike FABIAN
2021-09-25 5:55 ` Eli Zaretskii
2021-09-25 7:35 ` Mike FABIAN
2021-09-25 9:19 ` Eli Zaretskii
2021-11-06 18:59 ` Lars Ingebrigtsen
2021-09-21 11:48 ` Mike FABIAN
2021-09-21 11:58 ` Eli Zaretskii
2021-09-21 12:27 ` Mike FABIAN
2021-09-21 12:37 ` Eli Zaretskii
2021-09-21 12:50 ` Robert Pluim
2021-09-21 13:06 ` Eli Zaretskii
2021-09-21 13:25 ` Mike FABIAN
2021-09-21 13:53 ` Robert Pluim
2021-09-21 14:19 ` Eli Zaretskii
2021-09-21 14:43 ` Robert Pluim
2021-09-21 15:58 ` Eli Zaretskii
2021-09-21 16:10 ` Robert Pluim
2021-09-21 16:23 ` Eli Zaretskii
2021-09-21 16:50 ` Eli Zaretskii
2021-09-21 18:20 ` Eli Zaretskii
2021-09-22 8:59 ` Robert Pluim
2021-09-22 13:47 ` Eli Zaretskii [this message]
2021-09-24 11:41 ` Robert Pluim
2021-09-24 12:04 ` Eli Zaretskii
2021-09-24 12:10 ` Robert Pluim
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=83czp0wwlg.fsf@gnu.org \
--to=eliz@gnu.org \
--cc=39799@debbugs.gnu.org \
--cc=mfabian@redhat.com \
--cc=rgm@gnu.org \
--cc=rpluim@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).