GNOME Bugzilla – Bug 555452
eog does not sniff mime type
Last modified: 2008-10-13 08:17:56 UTC
As per https://bugzilla.novell.com/show_bug.cgi?id=329096 If you name a .png file with a .jpg extension, eog will fail to load the extension. Notably nautilus will thumbnail it just fine.
Thanks for the bug report. This particular bug has already been reported into our bug tracking system, but please feel free to report any further bugs you find. *** This bug has been marked as a duplicate of 490067 ***