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[Emacs-diffs] Changes to emacs/lisp/simple.el,v


From: Alan Mackenzie
Subject: [Emacs-diffs] Changes to emacs/lisp/simple.el,v
Date: Tue, 21 Oct 2008 21:14:05 +0000

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Alan Mackenzie <acmacm> 08/10/21 21:14:04

Index: simple.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/simple.el,v
retrieving revision 1.950
retrieving revision 1.951
diff -u -b -r1.950 -r1.951
--- simple.el   21 Oct 2008 17:01:53 -0000      1.950
+++ simple.el   21 Oct 2008 21:14:04 -0000      1.951
@@ -1725,6 +1725,9 @@
       (error (concat "No further undo information"
                     (and undo-in-region " for region"))))
   (let ((undo-in-progress t))
+    ;; Note: The following, while pulling elements off
+    ;; `pending-undo-list' will call primitive change functions which
+    ;; will push more elements onto `buffer-undo-list'.
     (setq pending-undo-list (primitive-undo n pending-undo-list))
     (if (null pending-undo-list)
        (setq pending-undo-list t))))




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