Your bug report

#20935: sleep-for wakes prematurely due to process output

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 20935@debbugs.gnu.org.

-- 
20935: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20935
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems