Your bug report #63343: 30.0.50; generated mode function will error if mode name contains '%' 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 63343@debbugs.gnu.org. -- 63343: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=63343 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems