New copyright
diff --git a/Objects/xxobject.c b/Objects/xxobject.c
index 1cf2d91..8edf689 100644
--- a/Objects/xxobject.c
+++ b/Objects/xxobject.c
@@ -1,5 +1,5 @@
 /***********************************************************
-Copyright 1991 by Stichting Mathematisch Centrum, Amsterdam, The
+Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
 Netherlands.
 
                         All Rights Reserved