[Bug 51095] different behavoir based on existence of .jpg extension

[Miek]

Public bug reported:

I have 2 dirs with the same photos in them:
/tmp/A/img1.jpg   
/tmp/A/img2.jpg

and

/tmp/B/img1
/tmp/B/img2

If you go (with nautilus) to dir /tmp/A and click a photo and select
open with gthumb, you get a slideshow with ALL the .jpg files in
the directory. Also the 'next' and 'prev' buttons work. 

If you go to /tmp/B and select a photo to be viewed with gthumb you
only get that one photo, and no slide show. And ofcourse the next and
prev buttons also don't work.

This difference in behavior is inconsistent, esp. as nautilus does show the
images in both directories.

** Affects: gthumb (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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different behavoir based on existence of .jpg extension
https://launchpad.net/bugs/51095