Your bug report

#6839: 24.0.50; heuristic mask is turned on on gif images willy-nilly

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 6839@debbugs.gnu.org.

-- 
6839: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6839
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