@@ -2,10 +2,9 @@
 
 # Omake. How to use argv
 def print_list(xs)
 {
-	case xs when {car: x, cdr: xs}: (
-		print(x);
-		print_list(xs)
-	)
+	case xs
+		when {car: x, cdr: xs}: (print(x); print_list(xs))
+		when {} : ()
 };
 print_list(argv);