bug#28770: bug#28518: Daemon mode only renders the first image file loaded

[Eli Zaretskii]

> Cc: 28518@debbugs.gnu.org, 28626@debbugs.gnu.org, 28632@debbugs.gnu.org,
>  28633@debbugs.gnu.org, 28770@debbugs.gnu.org, Glenn Morris <rgm@gnu.org>,
>  Noam Postavsky <npostavs@users.sourceforge.net>, Eli Zaretskii
>  <eliz@gnu.org>, Waleed Yousef <wyousef@fcih.net>,
>  Matt Lundin <mdl@imapmail.org>, Joseph Mingrone <jrm@ftfl.ca>
> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Mon, 16 Oct 2017 23:57:01 -0700
> 
> > Apparently, the issue has been resolved in 6.9.9-18.
> 
> Yes, that's right. Still, the ImageMagick bug is so easy to work around, and 
> the 
> workaround so benign, that I installed the attached into the emacs-26 branch 
> to 
> do that.  Although Fedora will probably upgrade its ImageMagick version soon 
> and 
> this upgrade will eventually filter out to users, the testing hassles are 
> significant in the meantime.

Thanks.  However, IME such workarounds should be conditioned on the
pertinent versions of ImageMagick, otherwise they might get in the way
further down the road.