[RFC] Make scrolling-by-selection smoother

[Pavel Sanda]

On Sat, Jul 20, 2024 at 09:22:02PM +0200, Jean-Marc Lasgouttes wrote:
> So, especially if you have a slow-ish computer, please test.

I tested on two archaic laptops and do not see any visible difference
in speed. But the version with your patch is aesthetically way better.

We could perhaps make the selection down little bit faster in full-screen mode, 
but that's irrelevant wrt your patch.

Pavel