--- ray/src/gen/gensurf.c	1990/12/15 15:00:52	1.12
+++ ray/src/gen/gensurf.c	1991/11/12 17:04:49	2.1
@@ -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))
 
@@ -51,10 +51,10 @@ char  *argv[];
 	int  i, j, m, n;
 	char  stmp[256];
 
-	varset("PI", PI);
-	funset("hermite", 5, l_hermite);
-	funset("bezier", 5, l_bezier);
-	funset("bspline", 5, l_bspline);
+	varset("PI", ':', PI);
+	funset("hermite", 5, ':', l_hermite);
+	funset("bezier", 5, ':', l_bezier);
+	funset("bspline", 5, ':', l_bspline);
 
 	if (argc < 8)
 		goto userror;