anchor.diff:                %% When the user metadata is empty, it should still be a struct
                 ({?MD_USERMETA, []}) ->
                      {?MD_USERMETA, {struct, []}};
  -              ({<<"Links">>, Links}) ->
  -                   {<<"Links">>, [ [B, K, T] || {{B, K}, T} <- Links ]};
  +              ({?MD_LINKS, Links}) ->
  +                   {?MD_LINKS, [ [B, K, T] || {{B, K}, T} <- Links ]};
                 ({Name, List=[_|_]}) ->
                      {Name, jsonify_metadata_list(List)};
                 ({Name, Value}) ->
  
positive.code:     Classifier = fun({Key,_}, Type) when (is_binary(Key) orelse is_list(Key)),
                                           Type /= array, Type /= string ->
                           struct;
                      (C, Type) when is_integer(C), C >= 0, C =< 256,
                                     Type /= array, Type /= struct ->
                           string;
                      (_, _) ->
  
negative.code:                   {<<"data">>, D}|T], Accum) ->
      Converter = fun({Key, Val}) ->
                          case Key of
                              ?MD_LINKS ->
                                  {Key, [{{B, K}, Tag} || [B, K, Tag] <- Val]};
                              ?MD_LASTMOD ->
                                  {Key, os:timestamp()};
                              _ ->
                                  {Key, if
  