#257 Fix overlay handling

[Bill Wohler]

Date: Thu, 08 Apr 2004 13:02:05 +0900 (JST)
To: rms at gnu.org
Cc: peta at whaite.ca, romain at orebokech.com, matt at stchem.bham.ac.uk,
emacs-devel at gnu.org, wohler at newt.com
Subject: Re: Strange problem with latest CVS
From: Masatake YAMATO <jet at gyve.org>
X-Mailer: Mew version 4.0.62 on Emacs 21.3.50 / Mule 5.0 (SAKAKI)
Message-Id: <20040408.130205.39846294.jet@gyve.org>

> I'd just like to add that mh-e also has this problem when displaying
> mime buttons and parts. It was fixed by setting the overlay 'evaporate
> property to t.
>
> In any case it seems like a change for the better. Previously all the
> gui-button faces would shrink to zero-length overlays and remain there,
> invisible, when the buffer contents were deleted and new contents
> inserted. I now see that a lot of overlays accumulated after may reuses
> of the same buffer.
>
> It sounds like THESE overlays should be set to evaporate.
> But I think MH-E should do that. I cc'd the MH-E maintainer.

How do you think about widgets?
I think widgets should set evaporate to their overlays by themselves.