From: Eli Zaretskii <eliz@gnu.org>
To: Devon Sean McCullough <Devon2020@jovi.net>
Cc: 49622@debbugs.gnu.org
Subject: bug#49622: 27.2; A new MacOS display heisenbug
Date: Sun, 25 Jul 2021 22:15:10 +0300 [thread overview]
Message-ID: <835ywyw6gx.fsf@gnu.org> (raw)
In-Reply-To: <8eb45979-d7f4-9f45-2215-29716bcf27d4@jovi.net> (message from Devon Sean McCullough on Sun, 25 Jul 2021 14:01:38 -0400)
[Please use Reply All to keep the bug address on the CC list.]
> From: Devon Sean McCullough <Devon2020@jovi.net>
> Date: Sun, 25 Jul 2021 14:01:38 -0400
>
> On 2021-07-18 15:00, Eli Zaretskii wrote:
>
> > Which font is used here? Is it the same font in the "good" and the
> > "bad" display?
>
> Emacs 27 and 28 with -Q both report the same font for this character
> and after many trials, both manifest the bug more often than not.
My first suspicion is that this has something to do with your video
driver.
> Peace
> --Devon
>
> P.S. In a "CLEAN" Emacs, C-u C-x =
>
> position: 153 of 177 (86%), column: 7
> character: ⟡ (displayed as ⟡) (codepoint 10209, #o23741, #x27e1)
> charset: unicode (Unicode (ISO10646))
> code point in charset: 0x27E1
> script: symbol
> syntax: w which means: word
> category: .:Base
> to input: type "C-x 8 RET 27e1" or "C-x 8 RET WHITE CONCAVE-SIDED DIAMOND"
> buffer code: #xE2 #x9F #xA1
> file code: #xE2 #x9F #xA1 (encoded by coding system utf-8-unix)
> display: by this font (glyph code)
> mac-ct:-*-PCMyungjo-normal-normal-normal-*-12-*-*-*-m-0-iso10646-1 (#x26F9)
>
> Character code properties: customize what to show
> name: WHITE CONCAVE-SIDED DIAMOND
> general-category: Sm (Symbol, Math)
> decomposition: (10209) ('⟡')
>
> There are text properties here:
> face font-lock-comment-face
> fontified t
Since you see just a box, it means this font doesn't support that
character. So I wonder why this font is used for that character. Did
you try to install Symbola?
> P.P.S. I added a new screen shot at http://jovi.net/Emacs-Bug/Render
>
> > And why do you say this is a "new" bug? new as compared to when?
> New to me anyway — my searches turned up no similar bug reports.
New to you because you never saw it before, or new because previous
version(s) didn't have it?
next prev parent reply other threads:[~2021-07-25 19:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-18 13:10 bug#49622: 27.2; A new MacOS display heisenbug Devon Sean McCullough
2021-07-18 19:00 ` Eli Zaretskii
[not found] ` <8eb45979-d7f4-9f45-2215-29716bcf27d4@jovi.net>
2021-07-25 19:15 ` Eli Zaretskii [this message]
2022-08-06 13:17 ` Lars Ingebrigtsen
2022-08-06 17:23 ` Devon Sean McCullough
2022-08-07 12:46 ` Lars Ingebrigtsen
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