anchor.diff:                      Bindings1 = Bindings ++ QueryList,
                       % we parse query args from the rule and fill
                       % it eventually with bindings vars
  -                    QueryArgs1 = make_query_list(QueryArgs, Bindings1, []),
  +                    QueryArgs1 = make_query_list(QueryArgs, Bindings1,
  +                        Formats, []),
                       % remove params in QueryLists1 that are already in
                       % QueryArgs1
                       Bindings2 = lists:foldl(fun({K, V}, Acc) ->
  
positive.code:         To ->
              parse_path(To)
          end,
      [{FromParts, Method}, ToParts, QueryArgs].
  
  parse_path(Path) ->
      {ok, SlashRE} = re:compile(<<"\\/">>),
  
negative.code:     [];
  maybe_encode_bindings(Props) -> 
      lists:foldl(fun 
              ({{bind, <<"*">>}, _V}, Acc) ->
                  Acc;
              ({{bind, K}, V}, Acc) ->
                  V1 = iolist_to_binary(maybe_json(K, V)),
  