anchor.diff:          target = Target,
           source_name = SourceName,
           target_name = TargetName,
  -        start_seq = StartSeq,
  +        start_seq = {_Ts, StartSeq},
           source_seq = SourceCurSeq
       } = State = init_state(Rep),
   
  
positive.code:         source = Source,
          target = Target,
          history = OldHistory,
          start_seq = StartSeq,
          current_through_seq = {_Ts, NewSeq} = NewTsSeq,
          source_log = SourceLog,
          target_log = TargetLog,
  
negative.code:             NewHighestDone, SeqsInProgress, NewSeqsInProgress]),
      SourceCurSeq = source_cur_seq(State),
      couch_task_status:update(
          "Processed ~p / ~p changes", [element(2, NewThroughSeq), SourceCurSeq]),
      NewState = State#rep_state{
          stats = sum_stats([Stats, StatsInc]),
          current_through_seq = NewThroughSeq,
  