anchor.diff: -name,iso,iso_3,language
  -Afghanistan,AF,AFG,pashto
  +name,iso,iso_3,""
  +Afghanistan,AF,AFG,""
   Åland Islands,AX,ALA,swedish
  -Albania,AL,ALB,albanian
  -Algeria,DZ,DZA,arabic
  +Albania,AL,ALB,""
  +Algeria,DZ,DZA,""
   American Samoa,AS,ASM,english
  -Andorra,AD,AND,catalan
  +Andorra,AD,AND,""
   Angola,AO,AGO,portuguese
   Anguilla,AI,AIA,english
  -Antarctica,AQ,ATA,
  +Antarctica,AQ,ATA,""
   Antigua and Barbuda,AG,ATG,english
   Argentina,AR,ARG,spanish
  -Armenia,AM,ARM,armenian
  +Armenia,AM,ARM,""
   Aruba,AW,ABW,dutch
   Ascension Island,SH,SHN,english
   Australia,AU,AUS,english
   Austria,AT,AUT,german
  -Azerbaijan,AZ,AZE,azerbaijani
  +Azerbaijan,AZ,AZE,""
   Bahamas,BS,BHS,english
  -Bahrain,BH,BHR,arabic
  -Bangladesh,BD,BGD,bangla
  +Bahrain,BH,BHR,""
  +Bangladesh,BD,BGD,""
   Barbados,BB,BRB,english
  -Belarus,BY,BLR,belarusian
  +Belarus,BY,BLR,""
   Belgium,BE,BEL,dutch
   Belize,BZ,BLZ,english
   Benin,BJ,BEN,french
   Bermuda,BM,BMU,english
  -Bhutan,BT,BTN,dzongkha
  +Bhutan,BT,BTN,""
   Bolivia,BO,BOL,spanish
   Bonaire,BQ,BES,dutch
  -Bosnia and Herzegovina,BA,BIH,bosnian
  +Bosnia and Herzegovina,BA,BIH,""
   Botswana,BW,BWA,english
  -Bouvet Island,BV,BVT,
  +Bouvet Island,BV,BVT,""
   Brazil,BR,BRA,portuguese
   British Indian Ocean Territory,IO,IOT,english
   British Virgin Islands,VG,VGB,english
  -Brunei,BN,BRN,malay
  -Bulgaria,BG,BGR,bulgarian
  +Brunei,BN,BRN,""
  +Bulgaria,BG,BGR,""
   Burkina Faso,BF,BFA,french
  -Burundi,BI,BDI,kirundi
  -Cambodia,KH,KHM,khmer
  +Burundi,BI,BDI,""
  +Cambodia,KH,KHM,""
   Cameroon,CM,CMR,french
   Canada,CA,CAN,english
   Cape Verde,CV,CPV,portuguese
   Cayman Islands,KY,CYM,english
  -Central African Republic,CF,CAF,sango
  +Central African Republic,CF,CAF,""
   Chad,TD,TCD,french
   Chile,CL,CHL,spanish
  -China,CN,CHN,standard chinese
  +China,CN,CHN,""
   Christmas Island,CX,CXR,english
   Cocos (Keeling) Islands,CC,CCK,english
   Colombia,CO,COL,spanish
  -Comoros,KM,COM,comorian
  +Comoros,KM,COM,""
   Republic of the Congo,CG,COG,french
   Democratic Republic of the Congo,CD,COD,french
   Cook Islands,CK,COK,english
   Costa Rica,CR,CRI,spanish
  -Croatia,HR,HRV,croatian
  +Croatia,HR,HRV,""
   Cuba,CU,CUB,spanish
   Curaçao,CW,CUW,dutch
  -Cyprus,CY,CYP,greek
  -Czech Republic,CZ,CZE,czech
  +Cyprus,CY,CYP,""
  +Czech Republic,CZ,CZE,""
   Denmark,DK,DNK,danish
   Djibouti,DJ,DJI,french
   Dominica,DM,DMA,english
   Dominican Republic,DO,DOM,spanish
   Ecuador,EC,ECU,spanish
  -Egypt,EG,EGY,arabic
  -El Salvador,SV,SLV,castilian
  +Egypt,EG,EGY,""
  +El Salvador,SV,SLV,""
   Equatorial Guinea,GQ,GNQ,spanish
  -Eritrea,ER,ERI,tigrinya
  -Estonia,EE,EST,estonian
  -Ethiopia,ET,ETH,amharic
  +Eritrea,ER,ERI,""
  +Estonia,EE,EST,""
  +Ethiopia,ET,ETH,""
   Falkland Islands,FK,FLK,english
  -Faroe Islands,FO,FRO,faroese
  +Faroe Islands,FO,FRO,""
   Fiji,FJ,FJI,english
   Finland,FI,FIN,finnish
   France,FR,FRA,french
  
positive.code: French Southern and Antarctic Lands,TF,ATF,french
  Gabon,GA,GAB,french
  Gambia,GM,GMB,english
  Georgia,GE,GEO,georgian
  Germany,DE,DEU,german
  Ghana,GH,GHA,english
  Gibraltar,GI,GIB,english
  Greece,GR,GRC,greek
  Greenland,GL,GRL,greenlandic
  Grenada,GD,GRD,english
  Guadeloupe,GP,GLP,french
  Guam,GU,GUM,english
  
negative.code: Guinea-Bissau,GW,GNB,portuguese
  Guyana,GY,GUY,english
  Haiti,HT,HTI,french
  Heard Island and McDonald Islands,HM,HMD,""
  Vatican City,VA,VAT,italian
  Honduras,HN,HND,spanish
  Hong Kong,HK,HKG,""
  Hungary,HU,HUN,hungarian
  Iceland,IS,ISL,""
  India,IN,IND,""
  Indonesia,ID,IDN,""
  Ivory Coast,CI,CIV,french
  Iran,IR,IRN,""
  Iraq,IQ,IRQ,""
  Ireland,IE,IRL,""
  Isle of Man,IM,IMN,english
  Israel,IL,ISR,""
  Italy,IT,ITA,italian
  Jamaica,JM,JAM,""
  Japan,JP,JPN,""
  Jersey,JE,JEY,english
  Jordan,JO,JOR,""
  Kazakhstan,KZ,KAZ,""
  Kenya,KE,KEN,""
  Kiribati,KI,KIR,english
  Kuwait,KW,KWT,""
  Kyrgyzstan,KG,KGZ,""
  Laos,LA,LAO,""
  Latvia,LV,LVA,""
  Lebanon,LB,LBN,""
  Lesotho,LS,LSO,""
  Liberia,LR,LBR,english
  Libya,LY,LBY,""
  Liechtenstein,LI,LIE,german
  Lithuania,LT,LTU,""
  Luxembourg,LU,LUX,french
  Macau,MO,MAC,""
  Macedonia,MK,MKD,""
  Madagascar,MG,MDG,""
  Malawi,MW,MWI,""
  Malaysia,MY,MYS,""
  Maldives,MV,MDV,""
  Mali,ML,MLI,french
  Malta,MT,MLT,""
  Marshall Islands,MH,MHL,""
  Martinique,MQ,MTQ,french
  Mauritania,MR,MRT,""
  Mauritius,MU,MUS,french
  Mayotte,YT,MYT,french
  Mexico,MX,MEX,spanish
  Micronesia,FM,FSM,english
  Moldova,MD,MDA,""
  Monaco,MC,MCO,french
  Mongolia,MN,MNG,""
  Montenegro,ME,MNE,""
  Montserrat,MS,MSR,english
  Morocco,MA,MAR,""
  Mozambique,MZ,MOZ,portuguese
  Myanmar,MM,MMR,""
  Namibia,NA,NAM,english
  Nauru,NR,NRU,""
  Nepal,NP,NPL,""
  Netherlands,NL,NLD,dutch
  New Caledonia,NC,NCL,french
  New Zealand,NZ,NZL,english
  Nicaragua,NI,NIC,spanish
  Niger,NE,NER,french
  Nigeria,NG,NGA,english
  Niue,NU,NIU,""
  Norfolk Island,NF,NFK,english
  North Korea,KP,PRK,""
  Northern Mariana Islands,MP,MNP,english
  Norway,NO,NOR,norwegian
  Oman,OM,OMN,""
  Pakistan,PK,PAK,english
  Palau,PW,PLW,english
  Palestine,PS,PSE,""
  Panama,PA,PAN,spanish
  Papua New Guinea,PG,PNG,""
  Paraguay,PY,PRY,spanish
  Peru,PE,PER,spanish
  Philippines,PH,PHL,""
  Pitcairn Islands,PN,PCN,english
  Poland,PL,POL,""
  Portugal,PT,PRT,portuguese
  Puerto Rico,PR,PRI,spanish
  Qatar,QA,QAT,""
  Republic of Kosovo,XK,KOS,""
  Réunion,RE,REU,french
  Romania,RO,ROU,""
  Russia,RU,RUS,russian
  Rwanda,RW,RWA,""
  Saint Barthélemy,BL,BLM,french
  Saint Helena,SH,SHN,english
  Saint Kitts and Nevis,KN,KNA,english
  