Re: Emacs design and architecture (was: Shrinking the C core)

[Dmitry Gutov]

On 15/09/2023 08:50, Eli Zaretskii wrote:
> Another thing to keep in mind is that there should be an efficient way
> of telling the display back-end which portions of a window to redraw
> given some changes in the text and display-related data structures.
> (Of course, if the display back-end is so efficient that it can
> redisplay everything fast enough, even if displaying across a network
> on a different terminal, this aspect might be a non-issue.)

I think in the case of HTML it's the layout engine which decides which 
areas of the window might change after some part of the DOM tree, or the 
display rules, have been modified.