anchor.diff:  addr_node_map_update(#state{addr_node_map = AddrNodeMap} = State, Addr, Node) ->
       State#state{addr_node_map = addr_node_map_update(AddrNodeMap, Addr, Node)};
   addr_node_map_update({AddrToNode, NodeToAddr}, Addr, Node) ->
  -    % purge any old references
  +    %% purge any old references
       NodeToAddr1 = kill_crossref(AddrToNode, NodeToAddr, Addr),
       AddrToNode1 = kill_crossref(NodeToAddr, AddrToNode, Node),
       { dict:store(Addr, Node, AddrToNode1),
  
positive.code:                              Stack = erlang:get_stacktrace(),
                               lager:error("Command message parser failed horribly: header=~w~nstack~s", [Error, Stack]),
                               State
               end,
              State1;
          _Packets ->
              lager:debug("Received runt/overlength message with ~n packets~n", [length(_Packets)]),
  
negative.code: 
  
  get_node_ref(Data) ->
      %% This essentially debug code.
      _ClientName = ej:get({<<"client">>}, Data),
      OrgName  = ej:get({<<"org">>}, Data),
      NodeName = ej:get({<<"node">>}, Data),
  