{
  "comments": {
    "new": "Volume Label: Rails, RAILS (ISO)",
    "old": "Volume Label: Rails"
  },
  "ring_codes": {
    "new": "04-22832CD\t+ +\tB2353-01 IFPI LB48 IFPI 1075, IFPI 1079, IFPI 1073",
    "old": "04-22832CD\t++\tB2353-01 IFPI LB48 IFPI 1075, IFPI 1079"
  }
}