Your bug report

#13661: 24.3.50;  shell-command fails with w32-downcase-file-names

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 13661@debbugs.gnu.org.

-- 
13661: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13661
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