This is an automatic notification regarding your bug report which was filed against the emacs package: #4917: Error: Attempt to modify read-only object It has been closed by Dan Nicolaescu . Their explanation is attached below along with your original report. If this explanation is unsatisfactory and you have not received a better one in a separate message then please contact Dan Nicolaescu by replying to this email. -- 4917: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=4917 Emacs Bug Tracking System Contact help-debbugs@gnu.org with problems