anchor.diff:  parse_encoder_options([], State) ->
       State;
   parse_encoder_options([{handler, Handler} | Rest], State) ->
  -    parse_encoder_options(Rest, State#encoder{handler=Handler}).
  +    parse_encoder_options(Rest, State#encoder{handler=Handler});
  +parse_encoder_options([{utf8, Switch} | Rest], State) ->
  +    parse_encoder_options(Rest, State#encoder{utf8=Switch}).
   
   parse_decoder_options([], State) ->
       State;
  
positive.code: 
  %% @spec encoder([encoder_option()]) -> function()
  %% @doc Create an encoder/1 with the given options.
  encoder(Options) ->
      State = parse_encoder_options(Options, #encoder{}),
      fun (O) -> json_encode(O, State) end.
  
negative.code: %% @type json_term() = json_string() | json_number() | json_array() |
  %%                     json_object()
  
  -record(encoder, {handler=null,
                    utf8=false}).
  
  -record(decoder, {object_hook=null,
                    offset=0,
  