Bug#851359: diffoscope: Improve support for comparing images

[Maria Glukhova]

Hi,

I believe the attached patch provides the requested feature.
I would be very grateful for any review or general advice on how to make
it better.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-Add-visual-difference-between-images-in-HTML-output..patch
Type: text/x-patch
Size: 25917 bytes
Desc: not available
URL: <http://lists.alioth.debian.org/pipermail/reproducible-builds/attachments/20170417/81f12b48/attachment.bin>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 488 bytes
Desc: OpenPGP digital signature
URL: <http://lists.alioth.debian.org/pipermail/reproducible-builds/attachments/20170417/81f12b48/attachment.sig>