emacs in mac os

use this emacs version from eamcsformacosx. sometime, if os x complains the version, use an old version. also, brew install emacs will install core, only in the terminal. you can view them as two separate emacs. to use gui, one need permissions, grant disk access to /usr/bin/ruby and emacs. to see /usr/bin/ruby, press ctrl+cmd+period to …