Re: emacs rendering comparisson between emacs23 and emacs26.3

[Dmitry Gutov]

On 06.04.2020 05:16, Stefan Monnier wrote:
> > > > And in this case, IIUC, jit-lock is part of redisplay.
> > > Yes, it often is when scrolling.
> > So would you agree that short-circuiting and skipping jit-lock while
> > somebody leans on C-v is a good idea?
> It sounds like a trick question, because what I just described says that
> it is what already happens, more or less, and I'm not sure which part of
> the difference you're thinking of.

We do that when fast-but-imprecise-scrolling is on, right?

But with it off (which is the default), fontification functions are 
still forced to run during every scroll-up command, don't they?