From: sashiko-bot@kernel.org
To: "Nicolas Pitre" <nico@fluxnic.net>
Cc: linux-serial@vger.kernel.org
Subject: Re: [PATCH 2/3] vt: add DEC private mode 2027 to control VS16 widening
Date: Mon, 19 Oct 2026 21:19:18 +0000 [thread overview]
Message-ID: <sashiko-outbox-178231@kernel.org> (raw)
In-Reply-To: <76b7fb6634652a8670a4f03aa397f21ea57aa367.1792443833.git.npitre@baylibre.com>
> From: Nicolas Pitre <npitre@baylibre.com>
>
> VS16 (U+FE0F) after a single-width character currently turns it into a
> double-width one, giving emoji presentation sequences such as U+203C
> U+FE0F (‼️) a square aspect.
>
> There is no consensus on this among terminals. According to the
> ucs-detect survey [1], these widen such sequences to 2 cells, as the
> Linux console does:
>
> kitty, foot, Ghostty, Contour, Konsole, iTerm2, Windows Terminal,
> mintty, Rio, tmux (3.4)
>
> while these keep them at 1 cell:
>
> [ ... ]
> [1] https://ucs-detect.readthedocs.io/results.html
> [2] https://github.com/contour-terminal/terminal-unicode-core
>
> Assisted-by: LLM
> Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/cover.1792443833.git.npitre@baylibre.com?part=2
next prev parent reply other threads:[~2026-10-19 21:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-19 21:16 [PATCH 0/3] vt: make VS16 emoji widening controllable Nicolas Pitre
2026-10-19 21:16 ` [PATCH 1/3] vt: don't make VS16 widening depend on earlier screen contents Nicolas Pitre
2026-10-19 21:23 ` sashiko-bot
2026-10-19 21:16 ` [PATCH 2/3] vt: add DEC private mode 2027 to control VS16 widening Nicolas Pitre
2026-10-19 21:19 ` sashiko-bot [this message]
2026-10-19 21:16 ` [PATCH 3/3] vt: add DECRQM support to report mode states Nicolas Pitre
2026-10-19 21:22 ` sashiko-bot
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