Re: Partly deferred font-locking?

[Michael Heerdegen]

Eli Zaretskii <eliz@gnu.org> writes:

> I think it's basically impossible to know up front which parts of
> fontifications will be expensive and which won't.  For starters, it
> depends on the text around the window.

Probably. OTOH, for some parts it's clear that they are always expensive
(like for the nearly context insensitive dired buffer fontification).

Michael.