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From: Eli Zaretskii <eliz@gnu.org>
To: Ihor Radchenko <yantar92@posteo.net>
Cc: 59996-done@debbugs.gnu.org
Subject: bug#59996: 30.0.50; Overlays section of Elisp manual still states that overlays scale linearly
Date: Mon, 12 Dec 2022 15:39:31 +0200	[thread overview]
Message-ID: <83cz8ospv0.fsf@gnu.org> (raw)
In-Reply-To: <87cz8phrrk.fsf@localhost> (message from Ihor Radchenko on Mon, 12 Dec 2022 09:53:51 +0000)

> From: Ihor Radchenko <yantar92@posteo.net>
> Date: Mon, 12 Dec 2022 09:53:51 +0000
> 
> I am still seeing the following clause in the 41.9 Overlays section of
> Elisp manual:
> 
>        The visual effect of an overlay is the same as of the corresponding
>     text property (*note Text Properties::).  However, due to a different
>     implementation, overlays generally don’t scale well (many operations
>     take a time that is proportional to the number of overlays in the
>     buffer).  If you need to affect the visual appearance of many portions
>     in the buffer, we recommend using text properties.
> 
> Should it be removed now, when overlays are equally performance with
> text properties?

Yes.  I removed it.

I guess that entire section should be audited for inaccuracies now;
reviews and patches are welcome.

Thanks.





  reply	other threads:[~2022-12-12 13:39 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-12  9:53 bug#59996: 30.0.50; Overlays section of Elisp manual still states that overlays scale linearly Ihor Radchenko
2022-12-12 13:39 ` Eli Zaretskii [this message]
2022-12-13 10:42   ` Ihor Radchenko
2022-12-14 18:15     ` Eli Zaretskii

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