Your bug report #36401: 26.0.90; set-auto-mode uses case-insensitive match for magic-mode-alist 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 36401@debbugs.gnu.org. -- 36401: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=36401 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems