--- rpl/COPYING	2011/01/03 12:08:01	1.19
+++ rpl/COPYING	2011/03/06 16:44:06	1.20
@@ -1,6 +1,6 @@
 /*
 ================================================================================
-  RPL/2 (R) version 4.0.20
+  RPL/2 (R) version 4.0.21
   Copyright (C) 1989-2011 Dr. BERTRAND Joël
 
   This file is part of RPL/2.