Your bug report

#17580: 24.4.50; Subword mode breaks kill-word

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 17580@debbugs.gnu.org.

-- 
17580: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17580
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems