This is an automatic notification regarding your bug report which was filed against the emacs package: #3036: 23.0.91; Manual doesn't mention diff-buffer-with-file 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. -- 3036: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3036 Emacs Bug Tracking System Contact help-debbugs@gnu.org with problems