anchor.diff:        lacc = [{Time, V} | AccL]}.
   
   handle_call({fold, Fun, Acc0}, _From,
  -            State = #state{fold_size = FoldSize, partition = Partition}) ->
  +            State = #state{partition = Partition}) ->
   
       DataDir = application:get_env(riak_core, platform_data_dir, "data"),
       PartitionDir = [DataDir, $/,  integer_to_list(Partition)],
  
positive.code:       Time - Last =< ?MAX_DELTA ->
      Delta = Time - Last,
      ThisSize = mmath_bin:length(V),
      AccV = <<AccE/binary, (mmath_bin:empty(Delta))/binary, V/binary>>,
      Acc#facc{
        size = Size + ThisSize + Delta,
        last = Last + Delta + ThisSize,
  
negative.code:                                   Acc1 = #facc{hacc = AccIn,
                                                 bucket = Bucket,
                                                 acc_fun = Fun},
                                    AccOut = mstore:fold(MStore, fun fold_fun/4, Acc1),
                                    mstore:close(MStore),
                                    case AccOut of
                                        #facc{lacc=[], hacc=HAcc} ->
  