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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: A proposal for the future of
 open-paren-in-column-0-is-defun-start.
Date: Mon, 06 Apr 2020 19:04:48 +0300
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References: <20200405134735.GD5049@ACM> <jwv4ktyhurf.fsf-monnier+emacs@gnu.org>
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Cc: acm@muc.de, rms@gnu.org, emacs-devel@gnu.org
To: Stefan Monnier <monnier@iro.umontreal.ca>
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> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Mon, 06 Apr 2020 11:40:05 -0400
> Cc: acm@muc.de, emacs-devel@gnu.org
> 
> So far we have: scrolling is too slow in some C buffer and the profile
> indicates it happens "somewhere in jit-lock".

Actually, we had a few detailed profiles posted which show many levels
below "somewhere in jit-lock", at least for CC Mode.