Associating a function in Emacs after looking up the code with M-x describe-key

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http://unix.stackexchange.com – I would like to associate the following function (which toggles on and off full-screen on the active buffer): (defun toggle-maximize-buffer () "Maximize buffer" (interactive) (if (= 1 (length (window-list))) (jump-to-register '_) (progn (set-register '_ (list (current-window-configuration))) (delete-other-windows)))) with the keyboard shortcut Alt+Sfhit+o. When I look up the Emacs code for this shortcut with M-x describe-key, I get ESC O- in the minibuffer, but when I add the following line on my .emacs config file it doesn't work (global-set-key (kbd "<ESC O&gt (HowTos)