--- rpl/src/interface_gnuplot.c	2011/10/10 10:58:12	1.32
+++ rpl/src/interface_gnuplot.c	2019/02/03 14:41:25	1.66
@@ -1,7 +1,7 @@
 /*
 ================================================================================
-  RPL/2 (R) version 4.1.4
-  Copyright (C) 1989-2011 Dr. BERTRAND Joël
+  RPL/2 (R) version 4.1.31
+  Copyright (C) 1989-2019 Dr. BERTRAND Joël
 
   This file is part of RPL/2.