GNU bug report logs - #57434
28.1.91; Terminal Emacs Mac OS flickering.

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Package: emacs;

Reported by: Dmitrii Kuragin <kuragin <at> google.com>

Date: Fri, 26 Aug 2022 16:55:02 UTC

Severity: normal

Found in version 28.1.91

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Message #271 received at 57434 <at> debbugs.gnu.org (full text, mbox):

From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: kuragin <at> google.com, 57434 <at> debbugs.gnu.org
Subject: Re: bug#57434: 28.1.91; Terminal Emacs Mac OS flickering.
Date: Thu, 08 Sep 2022 10:43:49 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

> What is P1 and what is P2?

The two proposals that we know of.

>
>> I installed iTerm2 just now, which implements P2 at least.  iTerm2 has a
>> preference options to switch GPU acceleration on/off.  iTerm2 uses
>> TERM=xterm256-color, independent of the GPU setting.  So matching TERM
>> wouldn't work with iTerm2.  The query control sequence of P2 seems to
>> return if GPU accel is on or off on iTerm2.
>
> What is the "query control sequence"?

Proposal P2 defines 3 control sequences.  In addtion to begin/end, it
contains a control sequence to determine the status of synchronized
updates: on, off, permanently on, permanently off (AFAIU).

> Do you happen to know where is the definitive documentation of Sync?

Sorry, I don't know a definitive documentation.
This bug report was last modified 219 days ago.

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