From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: [Emacs-diffs] master fd8f724: * src/xdisp.c (overlay_arrows_changed_p): Fix last change.
Date: Tue, 28 Feb 2017 21:11:30 +0200 [thread overview]
Message-ID: <83r32inna5.fsf@gnu.org> (raw)
In-Reply-To: <jwvk28ai1qp.fsf-monnier+gmane.emacs.devel@gnu.org> (message from Stefan Monnier on Tue, 28 Feb 2017 13:58:04 -0500)
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Tue, 28 Feb 2017 13:58:04 -0500
>
> We have a list of variables, and we store the last position of the
> marker held in that variable in a symbol property.
>
> If that variable is buffer-local, then that same variable can contain
> several markers (upto one per buffer) yet it only has a single property
> to keep the old value, that needs to be shared by all those
> markers/buffers.
But we only care what happens with these between two successive
redisplay cycles. What kind of scenario could possibly change that
variable in more than one buffer?
next prev parent reply other threads:[~2017-02-28 19:11 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-28 16:10 [Emacs-diffs] master fd8f724: * src/xdisp.c (overlay_arrows_changed_p): Fix last change Eli Zaretskii
2017-02-28 17:47 ` Stefan Monnier
2017-02-28 18:09 ` Eli Zaretskii
2017-02-28 18:58 ` Stefan Monnier
2017-02-28 19:11 ` Eli Zaretskii [this message]
2017-02-28 20:02 ` Stefan Monnier
2017-03-01 17:03 ` Eli Zaretskii
2017-03-02 5:27 ` Stefan Monnier
2017-03-02 16:02 ` Eli Zaretskii
2017-03-02 18:29 ` Stefan Monnier
2017-03-02 20:18 ` Eli Zaretskii
2017-03-02 22:32 ` Stefan Monnier
2017-03-03 8:11 ` Eli Zaretskii
2017-03-06 2:53 ` Stefan Monnier
2017-03-03 8:13 ` Eli Zaretskii
2017-03-06 4:17 ` Stefan Monnier
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