emacs function 如果想交互式调用 (M-x) 访问 则必须加上 (interactive)
(defun my_function ()
(interactive)
(message "This is a great function")))
emacs function 如果想交互式调用 (M-x) 访问 则必须加上 (interactive)
(defun my_function ()
(interactive)
(message "This is a great function")))