From: Richard M. Stallman <rms@gnu.org>
Date: Fri, 16 Jan 2004 18:20:00 +0000 (+0000)
Subject: (cl-cannot-unload): New function.
X-Git-Tag: ttn-vms-21-2-B4~7922
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=7a21fef9ecbd83d96b9f1410488915ff804bc943;p=emacs.git

(cl-cannot-unload): New function.
(cl-unload-hook): Defvar this to run cl-cannot-unload.
---

diff --git a/lisp/emacs-lisp/cl.el b/lisp/emacs-lisp/cl.el
index b8d9cd5e80c..b098a467f9f 100644
--- a/lisp/emacs-lisp/cl.el
+++ b/lisp/emacs-lisp/cl.el
@@ -108,6 +108,10 @@ printer proceeds to the next function on the list.
 This variable is not used at present, but it is defined in hopes that
 a future Emacs interpreter will be able to use it.")
 
+(defvar cl-unload-hook '(cl-cannot-unload)
+  "Prevent unloading the feature `cl', since it does not work.")
+(defun cl-cannot-unload ()
+  (error "Cannot unload the feature `cl'"))
 
 ;;; Predicates.