(defun show-first-60-chars ()
"Print the first 60 characters of the buffer."
(interactive)
(save-restriction
(widen)
(save-excursion
(buffer-substring (point-min) (+ (point-min) 60)))))
这个函数运行时什么返回都没有,怎么修改?
(defun show-first-60-chars ()
"Print the first 60 characters of the buffer."
(interactive)
(save-restriction
(widen)
(save-excursion
(buffer-substring (point-min) (+ (point-min) 60)))))
这个函数运行时什么返回都没有,怎么修改?
返回了呀,你是指在minibuffer没有打印吗?用 message 函数可以在minibuffer显示返回的字符串。
加个message函数搞定了,谢谢