anchor.diff:              {noreply, State0};
           _ ->
               %% Perform join.
  -            State = internal_join(Node, State0),
  +            State = internal_join(Node, undefined, State0),
   
               %% Return.
               {noreply, State}
  
positive.code:     avoid_rush(),
  
      %% Add to sync joins list.
      SyncJoins = SyncJoins0 ++ [{Node, From}],
  
      %% Trigger connection.
      Connections = establish_connections(Pending,
                                          Membership,
                                          Connections0),
  
      State#state{pending=Pending, sync_joins=SyncJoins, connections=Connections}.
  
  %% @private
  fully_connected(Node, Connections) ->
  
negative.code:             {reply, ok, State0};
          _ ->
              %% Perform join.
              State = internal_join(Node, From, State0),
  
              %% Return.
              {noreply, State}
  