From: Eli Zaretskii <eliz@gnu.org>
To: Robert Pluim <rpluim@gmail.com>
Cc: luangruo@yahoo.com, larsi@gnus.org, 54562@debbugs.gnu.org
Subject: bug#54562: 28.0.91; Emoji sequence not composed
Date: Tue, 29 Mar 2022 18:42:03 +0300 [thread overview]
Message-ID: <83mth8935g.fsf@gnu.org> (raw)
In-Reply-To: <87k0ccsti5.fsf@gmail.com> (message from Robert Pluim on Tue, 29 Mar 2022 16:50:10 +0200)
> From: Robert Pluim <rpluim@gmail.com>
> Cc: luangruo@yahoo.com, larsi@gnus.org, 54562@debbugs.gnu.org
> Date: Tue, 29 Mar 2022 16:50:10 +0200
>
> Eli> We could perhaps avoid the complexity by rewriting the composition
> Eli> rule for diacritics. Instead of "\\c.\\c^+" with 1-character
> Eli> look-back, we could have several rules:
>
> Eli> "\\c.\\c^\\c^\\c^\\c^" with 4-character look-back
> Eli> "\\c.\\c^\\c^\\c^+" with 3-character look-back
> Eli> "\\c.\\c^\\c^+" with 2-character look-back
> Eli> "\\c.\\c^+" with 1-character look-back
>
> Eli> (in that order). I didn't test this, but if it works, maybe it could
> Eli> solve the problem without any deep changes on the C level.
>
> That might work. What would the fallback look like? Suppose we have 4
> diacritics, 3 of which are covered by the same font, and one by a
> different one. Would you prefer to attempt to use the font of 3 of
> them, or would you prefer to fall back to the font of the base
> character?
I think I'd prefer to have the font that covers the majority.
But I'm not sure it's a real-life dilemma. I fully expect a font that
supports the rare diacritic to also support the less rare ones. And
if I'm wrong, I'm sure we will hear about that soon enough ;-)
next prev parent reply other threads:[~2022-03-29 15:42 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87bkxu8k7t.fsf.ref@yahoo.com>
2022-03-25 9:17 ` bug#54562: 28.0.91; Emoji sequence not composed Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-03-25 10:27 ` Eli Zaretskii
2022-03-25 10:32 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-03-25 10:54 ` Robert Pluim
2022-03-25 11:47 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-03-25 12:15 ` Eli Zaretskii
2022-03-25 12:46 ` Andreas Schwab
2022-03-25 13:05 ` Eli Zaretskii
2022-03-25 13:14 ` Andreas Schwab
2022-03-25 13:30 ` Robert Pluim
2022-03-25 13:57 ` Andreas Schwab
2022-03-25 13:44 ` Eli Zaretskii
2022-03-25 14:03 ` Andreas Schwab
2022-03-25 14:05 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-03-25 14:14 ` Robert Pluim
2022-03-26 1:16 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-03-26 5:56 ` Eli Zaretskii
2022-03-26 16:51 ` Lars Ingebrigtsen
2022-03-27 0:32 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-03-27 15:10 ` Robert Pluim
2022-03-28 0:19 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-03-28 7:47 ` Robert Pluim
2022-03-28 11:51 ` Eli Zaretskii
2022-03-28 12:46 ` Robert Pluim
2022-03-28 13:12 ` Eli Zaretskii
2022-03-28 14:59 ` Robert Pluim
2022-03-28 16:07 ` Eli Zaretskii
2022-03-29 10:45 ` Robert Pluim
2022-03-29 11:44 ` Eli Zaretskii
2022-03-29 14:50 ` Robert Pluim
2022-03-29 15:42 ` Eli Zaretskii [this message]
2022-03-29 15:59 ` Robert Pluim
2022-03-29 16:49 ` Eli Zaretskii
2022-03-28 13:19 ` Andreas Schwab
2022-03-28 15:01 ` Robert Pluim
2022-03-28 15:35 ` Andreas Schwab
2022-03-28 16:11 ` Eli Zaretskii
2022-03-28 16:20 ` Andreas Schwab
2022-03-28 16:26 ` Robert Pluim
2022-03-28 16:41 ` Andreas Schwab
2022-03-28 17:10 ` Eli Zaretskii
2022-03-28 17:14 ` Eli Zaretskii
2022-03-28 17:39 ` Andreas Schwab
2022-03-28 18:12 ` Eli Zaretskii
2022-03-28 18:14 ` Andreas Schwab
2022-03-28 18:15 ` Eli Zaretskii
2022-03-25 11:23 ` Eli Zaretskii
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