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Re: Split `simple.el'?

From: Eli Zaretskii
Subject: Re: Split `simple.el'?
Date: Wed, 04 Apr 2018 11:55:29 +0300

> From: Andreas Schwab <address@hidden>
> Cc: Stefan Monnier <address@hidden>,  address@hidden,  address@hidden
> Date: Wed, 04 Apr 2018 10:19:32 +0200
> >> Usually non-displayed characters do not affect the time to
> >> open&display it.
> >
> > They do, because Emacs searches all the available fonts to try to find
> > one that can display such characters.
> But not until that part of the file is actually rendered.

Yes, of course (though redisplay many times looks also at characters a
short ways above or below what will be visible).  Do we have any
evidence that in this case the slowdown happens also when the
problematic part of the file is nowhere near the visible part of the

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