anchor.diff:      VEqual = V1 =:= V2,
       TSEqual = riak_dt_vclock:equal(TS1, TS2),
       case VEqual andalso TSEqual of
  -	true ->
  +	    true ->
               eq(T1, T2);
           false ->
               false
  
positive.code: equal(MVReg1, MVReg2) ->
      eq(lists:sort(MVReg1), lists:sort(MVReg2)).
  
  eq([], []) ->
      true;
  eq([H1|T1], [H2|T2]) ->
  
negative.code: eq(_, _) ->
      false.
  
  %% @doc Return statistics of an `mvreg()'. Currently only `value_size' is returned.
  -spec stats(mvreg()) -> [{atom(), non_neg_integer()}].
  stats(MVReg) ->
      [{value_size, stat(value_size, MVReg)}].
  