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Re: unpleasant flickering in terminal emacs


From: Amos Bird
Subject: Re: unpleasant flickering in terminal emacs
Date: Fri, 27 Apr 2018 23:05:06 +0800
User-agent: mu4e 1.0-alpha3; emacs 27.0.50


Hi Eli, "emacs -Q" works fine, same as my emacs's *scratch* buffer with 100K lines of code. However, after switching to Fundamental mode and turning of font-lock-mode, xdisp.c buffer still flickers while scrolling. All the minor modes are the same as the *scratch* buffer. I've also tried loading the same
theme of "emacs -Q", it doesn't help either.


Eli Zaretskii <address@hidden> writes:

From: Amos Bird <address@hidden>
Date: Fri, 27 Apr 2018 19:58:56 +0800

I'm using emacs master branch in terminal (alacritty). When moving cursor with relative line number enabled or scrolling up/down, I
get unpleasant screen flickering.

Relative line numbers require a full redraw of the window when you scroll, because every line's number changes. Emacs will actually redraw only the numbers themselves, and maybe also some general window
decorations.

Not sure why that happens to you during scrolling without line
numbers, it doesn't seem to happen to me.  Do you see that in
"emacs -Q"?


--
Amos Bird
address@hidden



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