--- ray/src/rt/mx_func.c	1998/08/10 18:35:14	2.4
+++ ray/src/rt/mx_func.c	2003/02/25 02:47:22	2.6
@@ -1,14 +1,11 @@
-/* Copyright (c) 1998 Silicon Graphics, Inc. */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ SGI";
+static const char	RCSid[] = "$Id: mx_func.c,v 2.6 2003/02/25 02:47:22 greg Exp $";
 #endif
-
 /*
  *  mx_func.c - routine for mixture functions.
- *
- *     11/2/88
  */
+
+#include "copyright.h"
 
 #include  "ray.h"