anchor.diff:          maskedByte = (byte & 0x7f);
           shiftedByte = (maskedByte << currentShift);
           result += shiftedByte;
  -        currentShift += 7; 
  +        currentShift += 7;
         }
   
         stream.offset = offset;
  -      return result;  
  +      return result;
       }
   
       DeltaDataStream stream = new DeltaDataStream(deltaData, 0);
  
positive.code:     List<int> header = encodeUtf8(PackedTypes.getTypeString(type)
          + " ${contentData.length}\u0000");
  
      Uint8List fullContent = 
          new Uint8List(header.length + contentData.length);
  
      fullContent.setAll(0, header);
  
negative.code:       for (int i = 0; i < numObjects; ++i) {
          PackObject object = _matchObjectAtOffset(_offset);
          object.crc = crc.CRC32.compute(data.sublist(object.offset, _offset));
  
          // hold on to the data for delta style objects.
          switch (object.type) {
  