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Re: relative line numbers and folding: how to make they play along?


From: Eli Zaretskii
Subject: Re: relative line numbers and folding: how to make they play along?
Date: Wed, 13 Jul 2016 23:23:05 +0300

> From: Stefan Monnier <address@hidden>
> Date: Wed, 13 Jul 2016 16:10:30 -0400
> 
> I think to implement relative-visual-linum-mode efficiently, we'd need
> help from the display engine.  E.g.:
> - First perform redisplay of the window.
> - then, go through the window, visual-line by visual-line
>   and add something in the margin.
> - then update the margin part of the matrices.

AFAIU, this would cause a momentary flickering of an incorrect display
(without the line numbers), until they are computed and displayed.

And I still don't see any answer to my question, alas.



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