|
From: | Dmitrii Kuragin |
Subject: | bug#57434: 28.1.91; Terminal Emacs Mac OS flickering. |
Date: | Thu, 8 Sep 2022 08:59:32 -0700 |
Eli Zaretskii <eliz@gnu.org> writes:
> I guess by P1 you mean these two sequences:
>
> BSU: ESC P = 1 s ESC \
> ESU: ESC P = 2 s ESC \
>
> whereas by P2 you mean these:
>
> DECRQM: ESC [ ? 2026 $ p
> DECRPM: ESC [ ? 2026 ; n $ y (with n = 0..4, and 0 or 4 means "no support")
> BSU: ESC [ ? 2026 h
> ESU: ESC [ ? 2026 l
Yes, that looks like them.
>
>> > Do you happen to know where is the definitive documentation of Sync?
>>
>> Sorry, I don't know a definitive documentation.
>
> And any documentation at all?
Not even that. I tried to find something today, but nothing useful
turned up.
>
> Anyway, given the problems usually related to querying terminals about
> potentially unsupported features, and the general mess in this field,
> I think our best bet is to have a function that could switch the
> frame-update hooks between these 3 states:
>
> . unused
> . used with P1 BSU/ESU sequences
> . used with P2 BSU/ESU sequences
>
> WDYT?
Yes, something like that, I guess.
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