Sébastien Miquel <sebastien.miq...@posteo.eu> writes: > the delay, which must be caused by the already fontified parts. > I guess the issue must be wih emacs' internals.
I had some issues with performance when displaying unicode symbols in the past for certain (large) fonts. That time, the following helped to improve Emacs performance drastically: (setq inhibit-compacting-font-caches t) That is the only thing I can think about in regard to the Emacs display engine slowness. Best, Ihor