lib/compo/array_branch.rb in compo-0.1.3 vs lib/compo/array_branch.rb in compo-0.1.4

@@ -9,9 +9,10 @@
   # This is an extension of ArrayComposite to include the Movable and
   # ParentTracker mixins.
   class ArrayBranch < ArrayComposite
     include Movable
     include ParentTracker
+    include UrlReferenceable
 
     # Initialises the ArrayBranch
     #
     # The ArrayBranch is created with no children, no parent, and no ID.
     #