{
  "comments": {
    "new": "ISBN: 0-439-53115-2\n\nPC/Mac Hybrid",
    "old": "PC/Mac Compatible"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "write_offset": {
      "new": "-12"
    }
  },
  "ring_codes": {
    "new": "9531152C + + BK887-01 IFPI LB41 IFPI 1035\n9531152C\t+ + D854702 IFPI LB48 A06 IFPI 1012",
    "old": "9531152C + + BK887-01 IFPI LB41 IFPI 1035"
  },
  "serial": {
    "new": "19531152C SP4, 9531152C SP",
    "old": "9531152C SP1"
  }
}