anchor.diff:  
   test_all() ->
       [1199344435545.0, 1] = decode(<<"[1199344435545.0,1]">>),
  +    test_encoder_utf8(),
       test_one(e2j_test_vec(utf8), 1).
   
   test_one([], _N) ->
  
positive.code:             false
      end.
  
  json_encode_string_unicode([], Acc) ->
      lists:reverse([$\" | Acc]);
  json_encode_string_unicode([C | Cs], Acc) ->
      Acc1 = case C of
                 ?Q ->
                     [?Q, $\\ | Acc];
  
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,
  