From: Eric S. Raymond <esr@snark.thyrsus.com>
Date: Sun, 28 Mar 1993 06:24:33 +0000 (+0000)
Subject: (electric-buffer-menu-mode-map):  fillarray isn't a valid operation on maps
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(electric-buffer-menu-mode-map):  fillarray isn't a valid operation on maps
any more.
---

diff --git a/lisp/ebuff-menu.el b/lisp/ebuff-menu.el
index eedc984df06..7e511cc4d5f 100644
--- a/lisp/ebuff-menu.el
+++ b/lisp/ebuff-menu.el
@@ -152,10 +152,10 @@ electric-buffer-menu-mode-hook if it is non-nil."
 (put 'Electric-buffer-menu-undefined 'suppress-keymap t)
 (if electric-buffer-menu-mode-map
     nil
-  (let ((map (make-keymap)))
-    (fillarray map 'Electric-buffer-menu-undefined)
-    (define-key map "\e" (make-keymap))
-    (fillarray (lookup-key map "\e") 'Electric-buffer-menu-undefined)
+  (let ((map (make-keymap)) (submap (make-keymap)))
+    (fillarray (car (cdr map)) 'Electric-buffer-menu-undefined)
+    (define-key map "\e" submap)
+    (fillarray (car (cdr submap)) 'Electric-buffer-menu-undefined)
     (define-key map "\C-z" 'suspend-emacs)
     (define-key map "v" 'Electric-buffer-menu-mode-view-buffer)
     (define-key map (char-to-string help-char) 'Helper-help)