bug#18918: 25.0.50; Images files won't refresh in OS X Yosemite

[Eli Zaretskii]

> Date: Sat, 01 Nov 2014 18:02:33 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 18918@debbugs.gnu.org
> 
> > Date: Sat, 1 Nov 2014 11:48:16 -0400
> > From: Rick Frankel <rick@rickster.com>
> > 
> > Once an image (tested png and gif) file is opened in emacs, it will not 
> > update
> > the image until emacs is quit an relaunched. I only noticed this after
> > upgrading to Yosemite, but it may be present in Mavericks as well, but i 
> > have
> > no way to test it.
> > 
> >  1. Open a png file.
> >  2. Modify the png file on disk.
> >  3. Close and reopen or refresh the png file.
> > 
> > The image will still display the original contents.

FWIW, cannot reproduce this here on MS-Windows.