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From: patrick@COS.COM (Patrick Steranka)
Newsgroups: comp.emacs
Subject: help.el, Function=print-help-return-message
Message-ID: <404@cos.COM>
Date: Mon, 17-Aug-87 18:58:02 EDT
Article-I.D.: cos.404
Posted: Mon Aug 17 18:58:02 1987
Date-Received: Wed, 19-Aug-87 01:29:06 EDT
Organization: Corporation for Open Systems, McLean, VA
Lines: 34
Keywords: lambda question

Has anyone else experienced a problem with the function
"describe-function".  The "user-seen" error was after running
describe-function, the following message would appear in
the mini-buffer.

Wrong number of arguments: (lambda nil "Move the cursor to the next window on t

	Well, I tracked it down to the function print-help-return-message
in the file help.el.  (oh, btw I am running GNU-EMACS 18.47 on a SUN-3).
I understand what the code is supposed to do, but I don't know why
it causes the above error.  AND I don't know what the above error
means.  I get around the problem by re-"DEFUN"ing the function to do nothing.
Please mail responses to me.  Thanks.

The code for print-help-return-message is shown below:
;;;
;;; START OF ROUTINE
;;;
(defun print-help-return-message (&optional function)
  "Display or return message saying how to restore windows after help command.
Computes a message and applies the argument FUNCTION to it.
If FUNCTION is nil, applies `message' to it, thus printing it."
  (and (not (get-buffer-window standard-output))
       (funcall (or function 'message)
                (substitute-command-keys 
                 (if (one-window-p t) 
                     "Type \\[delete-other-windows] to remove help window." 
                   "Type \\[switch-to-buffer-other-window] RET to restore old c\ontents of help window."))))) 
;;;
;;; END OF ROUTINE
;;;
patrick (Patrick Steranka @ Corporation for Open Systems)
	-- patrick@cos.com
	-- {seismo!sundc, hadron, hqda-ai}!cos!patrick