From: Stefan Kangas <stefankangas@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>, Ihor Radchenko <yantar92@gmail.com>
Cc: 57693@debbugs.gnu.org
Subject: bug#57693: 29.0.50; Is there a more reliable version of `char-displayable-p'?
Date: Fri, 9 Sep 2022 18:25:27 -0400 [thread overview]
Message-ID: <CADwFkmm1_gYqjwyoL-EO8vqYfESq+AZOUVT5werh4ehNCCSfoQ@mail.gmail.com> (raw)
In-Reply-To: <83a678d5w6.fsf@gnu.org>
Eli Zaretskii <eliz@gnu.org> writes:
> I'd need to know more details. Why did this test fail for that user?
You can find the details here:
https://lists.gnu.org/r/emacs-orgmode/2022-07/msg00402.html
Alternative link to the same thread:
https://list.orgmode.org/27918f90-4a82-9f70-611e-7fc5475e2e60@oracle.com/
> Also, what exactly does the test above intend to test? Are you
> interested in whether this character can be displayed at all,
> regardless of which font is to be used, or do you want it to be
> displayed with the default face's font?
The purpose of the test is to figure out if we should use the pretty
UTF-8 characters or if we should use the less pretty ASCII ones.
The result is then used in the org agenda buffer. So it had better
display, basically. The problem is that some users saw that they got
the UTF-8 characters with the above code, but they displayed as the
"hex-squares" (I forget the official name).
> To answer your question: the most accurate way is to actually try
> displaying the character and see if that works. Not sure if it helps
> you, though especially since that code is in a defcustom, AFAIU.
That doesn't help here, unfortunately. :-(
We would need a way to figure this out programmatically. (It's in a
defcustom, yes.)
next prev parent reply other threads:[~2022-09-09 22:25 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-09 13:25 bug#57693: 29.0.50; Is there a more reliable version of `char-displayable-p'? Ihor Radchenko
2022-09-09 13:38 ` Eli Zaretskii
2022-09-09 22:25 ` Stefan Kangas [this message]
2022-09-10 6:01 ` Eli Zaretskii
2022-09-10 6:06 ` Ihor Radchenko
2022-09-10 6:35 ` Eli Zaretskii
2022-09-10 6:44 ` Ihor Radchenko
2022-09-10 4:48 ` Ihor Radchenko
2022-09-10 6:24 ` Eli Zaretskii
2022-09-10 6:37 ` Ihor Radchenko
2022-09-10 7:56 ` Eli Zaretskii
2022-09-10 8:17 ` Ihor Radchenko
2022-09-10 8:42 ` Eli Zaretskii
2022-09-11 9:31 ` Ihor Radchenko
2022-09-11 9:43 ` Eli Zaretskii
2022-09-11 10:07 ` Eli Zaretskii
2022-09-12 5:46 ` Ihor Radchenko
2022-09-12 11:15 ` Eli Zaretskii
2022-09-13 1:44 ` Ihor Radchenko
2022-09-13 11:19 ` Eli Zaretskii
2022-09-14 1:52 ` Ihor Radchenko
2022-09-14 2:43 ` Eli Zaretskii
2023-02-17 19:18 ` Stefan Kangas
2023-02-17 19:29 ` Eli Zaretskii
2023-02-17 22:31 ` Stefan Kangas
2023-02-18 6:56 ` Eli Zaretskii
2023-02-18 9:00 ` Stefan Kangas
2023-02-18 9:18 ` Eli Zaretskii
2023-02-18 11:32 ` Ihor Radchenko
2023-02-18 11:56 ` Eli Zaretskii
2023-02-19 11:31 ` Ihor Radchenko
2023-02-19 11:55 ` Eli Zaretskii
2023-02-19 12:08 ` Ihor Radchenko
2023-02-19 12:23 ` Eli Zaretskii
2023-02-19 14:19 ` Ihor Radchenko
2023-02-19 15:02 ` Eli Zaretskii
2023-02-18 11:35 ` Ihor Radchenko
2023-02-18 12:00 ` Eli Zaretskii
2022-09-12 5:24 ` Ihor Radchenko
2022-09-09 13:46 ` Robert Pluim
2022-09-09 22:25 ` Stefan Kangas
2022-09-10 4:56 ` Ihor Radchenko
2022-09-10 6:02 ` Eli Zaretskii
2022-09-10 4:53 ` Ihor Radchenko
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