--- ray/src/gen/gensurf.c	1991/04/23 13:04:58	1.13
+++ ray/src/gen/gensurf.c	1991/08/13 16:07:14	1.15
@@ -18,9 +18,9 @@ static char SCCSid[] = "$SunId$ LBL";
 
 #include  "standard.h"
 
-#define  XNAME		"X_"			/* x function name */
-#define  YNAME		"Y_"			/* y function name */
-#define  ZNAME		"Z_"			/* z function name */
+#define  XNAME		"X`SYS`"		/* x function name */
+#define  YNAME		"Y`SYS`"		/* y function name */
+#define  ZNAME		"Z`SYS`"		/* z function name */
 
 #define  ABS(x)		((x)>=0 ? (x) : -(x))
 
@@ -52,9 +52,9 @@ char  *argv[];
 	char  stmp[256];
 
 	varset("PI", ':', PI);
-	funset("hermite", 5, l_hermite);
-	funset("bezier", 5, l_bezier);
-	funset("bspline", 5, l_bspline);
+	funset("hermite", 5, ':', l_hermite);
+	funset("bezier", 5, ':', l_bezier);
+	funset("bspline", 5, ':', l_bspline);
 
 	if (argc < 8)
 		goto userror;