Your bug report

#20159: 24.4; url-retrieve invokes same callback twice with kill-buffer

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 20159@debbugs.gnu.org.

-- 
20159: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20159
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