Your bug report #13744: glyphless-char-display-control doesn't work with acronym 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 13744@debbugs.gnu.org. -- 13744: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13744 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems