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Re: Emacs design and architecture

From: Po Lu
Subject: Re: Emacs design and architecture
Date: Mon, 18 Sep 2023 19:12:00 +0800
User-agent: Gnus/5.13 (Gnus v5.13)

Dmitry Gutov <dmitry@gutov.dev> writes:

> We do: just as others have noted, redisplay calls back into
> Lisp. Which allows us to implement jit-lock with language-specific
> logic written in Lisp.
> It has for a long time been the method by which we manage to do syntax
> highlighting with adequate performance even in large files.

Jit-Lock doesn't control the display process itself.  It's only a
facility which enables buffer text to be selectively modified _before_
it is actually displayed.

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