opaque<> clarifications
diff --git a/example/example14.ref b/example/example14.ref
index b4768ef..63c46b7 100644
--- a/example/example14.ref
+++ b/example/example14.ref
@@ -1,9 +1,8 @@
-Opaque list: 
-  Element 1
-  Element 2
+Opaque list: [Element 1, Element 2]
 Back element is Element 2
-Opaque list: 
-  Element 1
+Opaque list: [Element 1]
+Opaque list: []
+Opaque list: [Element 1, Element 3]
 Got void ptr : 1234
 None
 Got null str : 0