Re: New optimisations for long raw strings in C++ Mode.

[Eli Zaretskii]

> Date: Wed, 10 Aug 2022 16:23:27 +0000
> Cc: gregory@heytings.org, larsi@gnus.org, emacs-devel@gnu.org
> From: Alan Mackenzie <acm@muc.de>
> 
> > > Er, actually, CC Mode has been around a tad longer than the new feature.
> 
> > That just means it had been doing what it shouldn't for a very long
> > time.  It doesn't get any good points for that.
> 
> CC Mode has not been doing anything wrong in accessing the buffers it
> controls.  The idea that one should access only the characters in the
> (BEG END) supplied by fontification_functions (and jit-lock) is false.
> It has no basis in rationality.  And in fact, standard font-locking
> itself accesses (via syntax-ppss) all character positions from BOB to
> BEG.

You seem to disagree with a major idea of the design of the Emacs
display engine.