--- ray/src/common/xf.c	1991/12/24 17:42:48	2.3
+++ ray/src/common/xf.c	2003/02/25 02:47:22	2.5
@@ -1,14 +1,13 @@
-/* Copyright (c) 1991 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: xf.c,v 2.5 2003/02/25 02:47:22 greg Exp $";
 #endif
-
 /*
  *  xf.c - routines to convert transform arguments into 4X4 matrix.
  *
- *     1/28/86
+ *  External symbols declared in standard.h
  */
+
+#include "copyright.h"
 
 #include  "standard.h"