This is an automatic notification regarding your bug report which was filed against the emacs package: #1245: define-prefix-command with a name, pressing key sequence bound to it results in memory corruption It has been closed by Chong Yidong . 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 Chong Yidong by replying to this email. -- 1245: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=1245 Emacs Bug Tracking System Contact help-debbugs@gnu.org with problems