Emacs: Ugly Redisplay Internals Hack (2016)

By Xah Lee. Date: . Last updated: .

this article is very well written.

emacs redisplay problem 2019-06-13 dhhvd
emacs redisplay problem

〔Buttery Smooth Emacs By Daniel Colascione. At https://www.facebook.com/notes/daniel-colascione/buttery-smooth-emacs/10155313440066102 , accessed on 2016-11-30〕

local copy Daniel_Colascione_Buttery_Smooth_Emacs_2016-10-28.txt

it discusses the internals of emacs's display engine, and shows how ancient it is. The English, as an essay, is also top notch.

but, by the way, i remember the author Daniel Colascione.

See: Emacs: JavaScript Mode War (2008)