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Re: [PATCH 0/1] Proper 24-bit TTY detection for Emacs 26.

From: Eli Zaretskii
Subject: Re: [PATCH 0/1] Proper 24-bit TTY detection for Emacs 26.
Date: Mon, 29 Jan 2018 17:59:26 +0200

> Cc: address@hidden
> From: Rami Ylimäki <address@hidden>
> Date: Mon, 29 Jan 2018 15:27:37 +0200
> The "set[bf]24" capabilities are only supported by Emacs, because 
> traditionally Terminfo hasn't offered any way to detect direct color 
> support. This workaround forces users to compile their own TERMs with 
> these capabilities.
> Latest Terminfo provides several TERMs with "-direct" suffix, such as 
> "xterm-direct", that support "RGB" with "seta[bf]". We definitely want 
> to support this.

OK, thanks for explaining the situation.

> I can open a bug about this and post a patch that supports both methods 
> on Emacs 27, since it's too late for 26.

Please do, and thanks.

> There might be some problems with Emacs 26 and TERM=xterm-direct, but I 
> haven't properly investigated this yet. At least I already noticed some 
> error messages from xterm.el:xterm-register-default-colors.

If there's a reasonable workaround for those problems, we could
perhaps describe it in etc/PROBLEMS for Emacs 26.

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