Your bug report

#30664: 25.2; eww-download corrupts PDF files (and probably other binary files too)

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 30664@debbugs.gnu.org.

-- 
30664: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=30664
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