From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matt Lundin <mdl@imapmail.org>
Subject: Re: The problem with scaling inline images with imagemagick
Date: Tue, 03 Oct 2017 09:33:39 -0500
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To: =?utf-8?B?0K/RgNC+0YHQu9Cw0LIg0JTQsNC90YzQutC+?= <yaroslavdanko@gmail.com>
Cc: emacs-orgmode@gnu.org

=D0=AF=D1=80=D0=BE=D1=81=D0=BB=D0=B0=D0=B2 =D0=94=D0=B0=D0=BD=D1=8C=D0=BA=
=D0=BE <yaroslavdanko@gmail.com> writes:

> Hello everybody,
>
> I have the line (setq org-image-actual-width '(600)) in my init file.
> With all versions of ImageMagick till 6.9.9-13 it worked well, means
> scaling inline images to 600 px in width.=20
>
> But with all higher versions (now it is 6.9.9-17) scaling not happens
> with the error `ImageMagick error: no decode delegate for this image
> format `JPEG' @ error/constitute.c/ReadImage/504`.
>
> Is something can be done in the org-mode or it is imagemagick bug?
>
> Thanks in advance.

I have the same problem, and it is not just limited to Org Mode. In
fact, I find that emacs can no longer display jpeg or png images with
the version of imagemagick listed above:

There is an emacs bug report for this:

bug#28626: 25.3; problem displaying images

I'm not sure if there is a corresponding imagemagick report.

Best,
Matt