Re: emacs rendering comparisson between emacs23 and emacs26.3

[Eli Zaretskii]

> From: Dmitry Gutov <address@hidden>
> Cc: martin rudalics <address@hidden>, Eli Zaretskii <address@hidden>,
>  address@hidden, address@hidden, address@hidden
> Date: Mon, 6 Apr 2020 15:43:17 +0300
> 
> On 05.04.2020 23:48, Dmitry Gutov wrote:
> > 
> > You probably meant to address Martin, but I can just say that while this 
> > will almost certainly work, it doesn't address the scenario of flooring 
> > C-v. Or M-v. Etc. Which seem equivalent.
> 
> Apologies. I read the patch wrong. Apparently before this patch the 
> optimization didn't [always] apply to mouse scrolling?

It affects any scroll command, but only partially.

People often forget that scrolling is implemented partially in the
command that is invoked by the likes of C-v, and partially in the
display engine.  Binding a variable in the command only affects the
former part, but not the latter.