;;; Display fortune
(defun fortune-in-buffer (_interactive &optional file)
"Put a fortune cookie in the *fortune* buffer.
-INTERACTIVE is ignored. Optional argument FILE, when supplied,
-specifies the file to choose the fortune from."
+Optional argument FILE, when supplied, specifies the file to
+choose the fortune from."
+ (declare (advertised-calling-convention (&optional file) "27.1"))
(let ((fortune-buffer (or (get-buffer fortune-buffer-name)
(generate-new-buffer fortune-buffer-name)))
(fort-file (expand-file-name