anchor.diff:  
       %% Update state...
       NewSegments = [SegmentRO|Segments],
  -    NewState1 = State#state {
  +    NewState = State#state {
           locks=NewLocks,
           buffers=Buffers -- [Buffer],
           segments=NewSegments
  
positive.code:     segments,
      buffers,
      next_id,
      scheduled_compaction,
      is_compacting,
      buffer_converter,
      stream_range_pids
  
negative.code:     end,
  
      %% clear out compaction flags, so we try again when necessary
      {noreply, State#state{is_compacting=false}};
  handle_info({'EXIT', ConverterPid, _Reason},
              #state{buffer_converter=ConverterPid,
                     buffers=Buffers,
  