anchor.diff:          _    -> get_indexed_id(Node, Ring, Index + 1)
       end;
   get_indexed_id(_Node, [], _Index) ->
  -    "none".
  +    dead_node().
   
   -spec get_flag(Hostname::node_details:hostname()) -> {img, [{src, URL::string()} | {width, pos_integer()} | {height, pos_integer()}], []}.
   get_flag(Hostname) ->
  
positive.code:                           NIndex::non_neg_integer()) -> integer() | string().
  get_indexed_succ_id(Node, Ring, MyIndex, NIndex) ->
      NodeIndex = get_indexed_id(Node, Ring),
      case NodeIndex =:= "none" orelse MyIndex =:= "none" of
          true -> "none";
          _    -> (NodeIndex - MyIndex + NIndex) rem NIndex
      end.
  
  
negative.code: 
  %%%-----------------------------Misc----------------------------------
  
  dead_node() ->
      "dead node?".
  
  -spec get_indexed_pred_id(Node::node:node_type(),
                            Ring::[{ok, node_details:node_details()} | {failed}],
                            MyIndex::non_neg_integer() | string(),
                            NIndex::non_neg_integer()) -> integer() | string().
  get_indexed_pred_id(Node, Ring, MyIndex, NIndex) ->
      NodeIndex = get_indexed_id(Node, Ring),
      case NodeIndex =:= dead_node() orelse MyIndex =:= dead_node() of
          true -> dead_node();
          _    -> ((NodeIndex - MyIndex + NIndex) rem NIndex) - NIndex
      end.
  
  