Added value: +{
+  "description": "The booking class letter for creditTo, when it differs from the class question. Ignored without creditTo.",
+  "pattern": "^[A-Za-z]$",
+  "type": "string"
+}

Added value: +{
+  "description": "The flights for creditTo: one entry per one-way flight, in order, with its great-circle miles (calculate_flight_distance gives them) and optionally from/to airport codes. Defaults to segs when they carry miles.",
+  "items": {
+    "properties": {
+      "from": {
+        "description": "The departure airport's code; labels the breakdown.",
+        "pattern": "^[A-Za-z0-9]{3,4}$",
+        "type": "string"
+      },
+      "miles": {
+        "description": "Great-circle distance of this flight in miles.",
+        "maximum": 12500,
+        "minimum": 1,
+        "type": "integer"
+      },
+      "to": {
+        "description": "The arrival airport's code; labels the breakdown.",
+        "pattern": "^[A-Za-z0-9]{3,4}$",
+        "type": "string"
+      }
+    },
+    "required": [
+      "miles"
+    ],
+    "type": "object"
+  },
+  "maxItems": 8,
+  "minItems": 1,
+  "type": "array"
+}

Added value: +{
+  "description": "Your status in the creditTo program, by its name as listed under creditTo. Defaults to the base level. Ignored without creditTo.",
+  "maxLength": 64,
+  "type": "string"
+}

Added value: +{
+  "description": "Credit the flights to a partner program instead of Korean Air's own: alaska = Atmos Rewards (creditStatus one of: Atmos Rewards member, Atmos Silver, Atmos Gold, Atmos Platinum, Atmos Titanium); delta = Delta SkyMiles (creditStatus one of: SkyMiles Member, Silver Medallion, Gold Medallion, Platinum Medallion, Diamond Medallion); flying-club = Flying Club (creditStatus one of: Red, Silver, Gold); flying-blue = Flying Blue (creditStatus one of: Explorer, Silver, Gold, Platinum, Ultimate). Earns by each flight's distance and the booking class at the program's published partner rates; leave creditTo out for the airline's own program. The booking class is cls (or creditClass). The flights are segs (their miles), or creditFlights.",
+  "enum": [
+    "alaska",
+    "delta",
+    "flying-club",
+    "flying-blue"
+  ],
+  "type": "string"
+}

Previous value: -"The flights, one way and in order, one entry per flight (1 to 8): fromCountry and toCountry, the ISO 3166 two-letter country codes of its two airports; miles, its great-circle distance in miles (1 to 12,500); optional from and to, the IATA codes of its two airports, which label the breakdown; some airlines also use them (Vladivostok, VVO, on JAL and ANA; the Madrid-Barcelona Air Shuttle, MAD-BCN, on Iberia)."New value: +"The flights, one way and in order, one entry per flight (1 to 8): fromCountry and toCountry, the ISO 3166 two-letter country codes of its two airports; miles, its great-circle distance in miles (1 to 12,500); optional from and to, the IATA codes of its two airports, which label the breakdown; some airlines also use them (Vladivostok, VVO, on JAL and ANA; the Madrid-Barcelona Air Shuttle, MAD-BCN, on Iberia; the long-haul tables named by city on SAS)."

Previous value: -"The departure airport's IATA code, e.g. SYD. Labels the breakdown; JAL and ANA use it to spot Vladivostok (VVO), Qantas to pick its route tables, and Iberia to spot the Madrid-Barcelona Air Shuttle (MAD, BCN)."New value: +"The departure airport's IATA code, e.g. SYD. Labels the breakdown; JAL and ANA use it to spot Vladivostok (VVO), Qantas to pick its route tables, Iberia to spot the Madrid-Barcelona Air Shuttle (MAD, BCN), and SAS to pick its long-haul tables (named by city)."

Previous value: -"The arrival airport's IATA code, e.g. SYD. Labels the breakdown; JAL and ANA use it to spot Vladivostok (VVO), Qantas to pick its route tables, and Iberia to spot the Madrid-Barcelona Air Shuttle (MAD, BCN)."New value: +"The arrival airport's IATA code, e.g. SYD. Labels the breakdown; JAL and ANA use it to spot Vladivostok (VVO), Qantas to pick its route tables, Iberia to spot the Madrid-Barcelona Air Shuttle (MAD, BCN), and SAS to pick its long-haul tables (named by city)."

Previous value: -"The flights, one way and in order, one entry per flight (1 to 8): fromCountry and toCountry, the ISO 3166 two-letter country codes of its two airports; miles, its great-circle distance in miles (1 to 12,500); optional from and to, the IATA codes of its two airports, which label the breakdown; some airlines also use them (Vladivostok, VVO, on JAL and ANA)."New value: +"The flights, one way and in order, one entry per flight (1 to 8): fromCountry and toCountry, the ISO 3166 two-letter country codes of its two airports; miles, its great-circle distance in miles (1 to 12,500); optional from and to, the IATA codes of its two airports, which label the breakdown; some airlines also use them (Vladivostok, VVO, on JAL and ANA; the Madrid-Barcelona Air Shuttle, MAD-BCN, on Iberia)."

Previous value: -"The departure airport's IATA code, e.g. SYD. Labels the breakdown; JAL and ANA use it to spot Vladivostok (VVO), and Qantas to pick its route tables."New value: +"The departure airport's IATA code, e.g. SYD. Labels the breakdown; JAL and ANA use it to spot Vladivostok (VVO), Qantas to pick its route tables, and Iberia to spot the Madrid-Barcelona Air Shuttle (MAD, BCN)."

Previous value: -"The arrival airport's IATA code, e.g. SYD. Labels the breakdown; JAL and ANA use it to spot Vladivostok (VVO), and Qantas to pick its route tables."New value: +"The arrival airport's IATA code, e.g. SYD. Labels the breakdown; JAL and ANA use it to spot Vladivostok (VVO), Qantas to pick its route tables, and Iberia to spot the Madrid-Barcelona Air Shuttle (MAD, BCN)."