Your bug report #18720: 25.0.50; `set-frame-size' reduces height instead of increases it, when set to larger value 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 18720@debbugs.gnu.org. -- 18720: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18720 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems