From: Eli Zaretskii <eliz@gnu.org>
To: Visuwesh <visuweshm@gmail.com>
Cc: luangruo@yahoo.com, 73752@debbugs.gnu.org, xuan@xlk.me
Subject: bug#73752: 29.4; Ligatures are randomly rendered with extra spaces
Date: Sun, 27 Oct 2024 19:19:48 +0200 [thread overview]
Message-ID: <86h68x8nuz.fsf@gnu.org> (raw)
In-Reply-To: <87o73534dn.fsf@gmail.com> (message from Visuwesh on Sun, 27 Oct 2024 21:49:32 +0530)
> From: Visuwesh <visuweshm@gmail.com>
> Cc: Yixuan Chen <xuan@xlk.me>, Po Lu <luangruo@yahoo.com>,
> 73752@debbugs.gnu.org
> Date: Sun, 27 Oct 2024 21:49:32 +0530
>
> [ஞாயிறு அக்டோபர் 27, 2024] Eli Zaretskii wrote:
>
> > Ping! Unless someone can debug this, I'm going to close this bug as
> > unreproducible.
>
> I can reproduce this with Cascadia Code but it took a lot more than "5
> seconds." I see no extra spaces but I see misalignment, it is not as
> bad as it was reported in
>
> https://github.com/mickeynp/ligature.el/issues/56
>
> by others. I tried it with JetBrains Mono but failed to reproduce. I
> have a suspicion that it might be related to bug#54646 where I face(d) a
> similar issue with Tamil text. FWIW, I experienced a similar
> misalignment (exactly) once with Julia Mono for the sequence
>
> LATIN SMALL LETTER A (a) + COMBINING CIRCUMFLEX ACCENT
>
> where the accent was a little off to the side. Since I run Emacs as a
> daemon, closing all GUI frames and opening a fresh new one made the
> misalignment go away.
>
> I am attaching two images "good.png" and "misaligned.png" to illustrate
> the issue. [ I hope the images aren't too big. ]
It's quite clear from the image that the "misaligned" line uses a font
with a different slant/weight/height value. If that is the reason, I
guess the problem is with composition caching, but why is that an
issue in real life? Do real-life Lisp programs modify face font
attributes so frequently?
next prev parent reply other threads:[~2024-10-27 17:19 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-11 16:18 bug#73752: 29.4; Ligatures are randomly rendered with extra spaces xuan
2024-10-12 8:02 ` Eli Zaretskii
2024-10-12 16:09 ` Yixuan Chen
2024-10-27 10:21 ` Eli Zaretskii
2024-10-27 16:19 ` Visuwesh
2024-10-27 17:19 ` Eli Zaretskii [this message]
2024-10-27 17:27 ` Eli Zaretskii
2024-10-27 17:39 ` Yixuan Chen
2024-10-27 17:43 ` Eli Zaretskii
2024-10-27 17:46 ` Yixuan Chen
2024-10-27 19:14 ` Eli Zaretskii
2024-10-27 19:36 ` Yixuan Chen
2024-10-27 19:44 ` Eli Zaretskii
2024-10-27 19:47 ` Yixuan Chen
2024-10-27 20:11 ` Eli Zaretskii
2024-10-27 19:41 ` Yixuan Chen
2024-10-27 20:07 ` Eli Zaretskii
2024-10-27 20:32 ` Yixuan Chen
2024-10-28 14:25 ` Eli Zaretskii
2024-10-28 14:44 ` Yixuan Chen
2024-10-28 14:47 ` Yixuan Chen
2024-10-28 15:05 ` Eli Zaretskii
2024-10-28 15:20 ` Yixuan Chen
2024-10-28 17:19 ` Eli Zaretskii
2024-10-28 17:26 ` Eli Zaretskii
2024-10-28 17:28 ` Yixuan Chen
2024-10-28 18:41 ` Eli Zaretskii
2024-10-28 4:26 ` Visuwesh
2024-10-28 14:59 ` Eli Zaretskii
2024-10-28 15:24 ` Yixuan Chen
2024-10-28 16:18 ` Visuwesh
2024-10-28 17:13 ` Eli Zaretskii
2024-10-29 10:59 ` Visuwesh
2024-10-29 13:04 ` Eli Zaretskii
2024-10-29 13:54 ` Visuwesh
2024-10-29 14:00 ` Visuwesh
2024-10-29 15:38 ` Eli Zaretskii
2024-10-29 16:46 ` Visuwesh
2024-10-29 17:45 ` Eli Zaretskii
2024-10-30 5:43 ` Visuwesh
2024-10-29 16:51 ` Eli Zaretskii
2024-10-27 17:29 ` Yixuan Chen
2024-10-29 23:14 ` Tim Ruffing
2024-10-30 15:12 ` Eli Zaretskii
2024-10-30 15:45 ` Eli Zaretskii
[not found] ` <mvmikt9zkcq.fsf@suse.de>
2024-10-30 15:47 ` Eli Zaretskii
2024-10-30 17:34 ` Tim Ruffing
2024-10-30 17:46 ` Eli Zaretskii
2024-10-30 18:00 ` Tim Ruffing
2024-10-30 18:57 ` Eli Zaretskii
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