Your bug report #15771: 24.3.50; M-q on comment lines marks the buffer modified when it shouldn't 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 15771@debbugs.gnu.org. -- 15771: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15771 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems