anchor.diff:      Fun2 = fun(Col, Str) ->
                      {Name, Len} = Col,
                      case Col of
  -                       {'$end',_Len      } -> lists:append([        Str, ?CRLF]);
  -                       {"node", Len      } -> lists:append([?SPACE, Str, string:centre(Name, Len, $ ), ?SEPARATOR]);
  -                       {"updated at", Len} -> lists:append([        Str, string:centre(Name, Len, $ )]);
  -                       {_Other, Len      } -> lists:append([        Str, string:centre(Name, Len, $ ), ?SEPARATOR])
  +                       {'$end',_Len      } -> lists:append([Str, ?CRLF]);
  +                       {"node", Len      } -> lists:append([Str, string:centre(Name, Len, $ ), ?SEPARATOR]);
  +                       {"updated at", Len} -> lists:append([Str, string:centre(Name, Len, $ )]);
  +                       {_Other, Len      } -> lists:append([Str, string:centre(Name, Len, $ ), ?SEPARATOR])
                      end
              end,
       Header2 = lists:foldl(Fun2, [], CellColumns),
  
positive.code:     Fun3 = fun(N, List) ->
                     {Type, Alias, State, RingHash0, RingHash1, When} = N,
                     FormattedDate = leo_date:date_format(When),
                     Ret = lists:append([?SPACE,
                                         string:centre(Type,    lists:nth(1,LenPerCol)), ?SEPARATOR,
                                         string:left(Alias,     lists:nth(2,LenPerCol)), ?SEPARATOR,
                                         string:left(State,     lists:nth(3,LenPerCol)), ?SEPARATOR,
                                         string:left(RingHash0, lists:nth(4,LenPerCol)), ?SEPARATOR,
  
negative.code: 
      Fun1 = fun(Col, Str) ->
                     case Col of
                         {'$end',_Len      } -> lists:append([Str, ?CRLF]);
                         {"type", Len      } -> lists:append([Str, lists:duplicate(Len + 1, "-"), "+"]);
                         {"node", Len      } -> lists:append([Str, lists:duplicate(Len + 2, "-"), "+"]);
                         {"updated at", Len} -> lists:append([Str, lists:duplicate(Len + 0, "-")]);
                         {_Other, Len      } -> lists:append([Str, lists:duplicate(Len + 2, "-"), "+"])
                     end
             end,
      Header1 = lists:foldl(Fun1, [], CellColumns),
  