Fullscreen for Aquamacs (tested) – not sure if...

Fullscreen for Aquamacs (tested) – not sure if it’ll work for Carbon Emacs.

(tool-bar-mode -1)
(scroll-bar-mode -1)
(menu-bar-mode -1)

(add-to-list 'default-frame-alist '(alpha . (80 70))) 

(define-key global-map [(alt return)] 'mac-toggle-max-window)

(defun mac-toggle-max-window ()
  (interactive)
  (set-frame-parameter nil 'fullscreen (if (frame-parameter nil 'fullscreen)
                                           nil
                                           'fullboth)))