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: Saint Martin,MF,MAF,french
  Saint Pierre and Miquelon,PM,SPM,french
  Saint Vincent and the Grenadines,VC,VCT,english
  Samoa,WS,WSM,samoan
  San Marino,SM,SMR,italian
  São Tomé and Príncipe,ST,STP,portuguese
  Saudi Arabia,SA,SAU,arabic
  Senegal,SN,SEN,french
  Serbia,RS,SRB,serbian
  Seychelles,SC,SYC,french
  Sierra Leone,SL,SLE,english
  Singapore,SG,SGP,english
  Sint Maarten,SX,SXM,dutch
  Slovakia,SK,SVK,slovak
  Slovenia,SI,SVN,slovene
  Solomon Islands,SB,SLB,english
  Somalia,SO,SOM,somali
  South Africa,ZA,ZAF,afrikaans
  South Georgia,GS,SGS,english
  South Korea,KR,KOR,korean
  South Sudan,SS,SSD,english
  Spain,ES,ESP,spanish
  Sri Lanka,LK,LKA,sinhala
  Sudan,SD,SDN,arabic
  Suriname,SR,SUR,dutch
  Svalbard and Jan Mayen,SJ,SJM,norwegian
  Swaziland,SZ,SWZ,swazi
  Sweden,SE,SWE,swedish
  Switzerland,CH,CHE,german
  Syria,SY,SYR,arabic
  Taiwan,TW,TWN,standard chinese
  Tajikistan,TJ,TJK,tajik
  Tanzania,TZ,TZA,swahili
  Thailand,TH,THA,thai
  Timor-Leste,TL,TLS,portuguese
  Togo,TG,TGO,french
  Tokelau,TK,TKL,tokelauan
  Tonga,TO,TON,tongan
  Trinidad and Tobago,TT,TTO,english
  Tunisia,TN,TUN,arabic
  Turkey,TR,TUR,turkish
  Turkmenistan,TM,TKM,turkmen
  Turks and Caicos Islands,TC,TCA,english
  Tuvalu,TV,TUV,tuvaluan
  Uganda,UG,UGA,english
  Ukraine,UA,UKR,ukrainian
  United Arab Emirates,AE,ARE,arabic
  United Kingdom,GB,GBR,english
  United States,US,USA,english
  United States Minor Outlying Islands,UM,UMI,english
  United States Virgin Islands,VI,VIR,english
  Uruguay,UY,URY,spanish
  Uzbekistan,UZ,UZB,uzbek
  Vanuatu,VU,VUT,bislama
  Venezuela,VE,VEN,spanish
  Vietnam,VN,VNM,vietnamese
  Wallis and Futuna,WF,WLF,french
  Western Sahara,EH,ESH,berber
  Yemen,YE,YEM,arabic
  Zambia,ZM,ZMB,english
  Zimbabwe,ZW,ZWE,chewa
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
  