Allow disabling a symbol macro with a macro environment, #'cl-macroexpand 2011-07-03 Aidan Kehoe <kehoea@parhasard.net> * cl.el (cl-macroexpand): Allow code to disable a given symbol macro while expanding code by prepending a cons with a nil cdr to the macro environment.

(load "term/vt100" nil t)

;; Make F11 an escape key.
(define-key function-key-map "\e[23~" [?\e])