From: Richard M. Stallman <rms@gnu.org>
Date: Sat, 22 May 1993 04:21:25 +0000 (+0000)
Subject: (pending-undo-list): Var declared.
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(pending-undo-list): Var declared.
---

diff --git a/lisp/simple.el b/lisp/simple.el
index 8ce7cfceadc..f5184105361 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -608,6 +608,9 @@ A numeric argument serves as a repeat count."
     (and modified (not (buffer-modified-p))
 	 (delete-auto-save-file-if-necessary))))
 
+(defvar pending-undo-list nil
+  "Within a run of consecutive undo commands, list remaining to be undone.")
+
 (defun undo-start ()
   "Set `pending-undo-list' to the front of the undo list.
 The next call to `undo-more' will undo the most recently made change."