anchor.diff:  CAPE VERDE,CPV,CPV
   Caribbean Regional,*CB,*CB
   Caucasus Regional,*CC,*CC
  +Cayman Is,CYM,CYM
   CAYMAN ISLANDS [UNITED KINGDOM],CYM,CYM
  +Cen African Rep,CAF,CAF
   Central Africa Regional Program for Environment,^CF,^CF
   CENTRAL AFRICAN REP,CAF,CAF
   CENTRAL AFRICAN REPUBLIC,CAF,CAF
  
positive.code: ARM,ARM,ARM
  ARM: ARMENIA,ARM,ARM
  ARMENIA,ARM,ARM
  ARUBA [NETHERLANDS],ABW,NLD
  ASHMORE AND CARTIER ISLANDS,~AT,~AT
  Asia Regional,*AS,*AS
  ASM,ASM,USA
  ASM: AMERICAN SAMOA,ASM,USA
  ATA: ANTARCTICA,ATA,ATA
  ATG,ATG,ATG
  ATG: ANTIGUA AND BARBUDA,ATG,ATG
  
negative.code: BHS,BHS,BHS
  BHS: BAHAMAS,BHS,BHS
  BHUTAN,BTN,BTN
  Biafra,NULL,*BI
  BIH,BIH,BIH
  BIH: BOSNIA AND HERZEGOVINA,BIH,BIH
  BLR,BLR,BLR
  BLR: BELARUS,BLR,BLR
  BLZ,BLZ,BLZ
  BLZ: BELIZE,BLZ,BLZ
  BMU,BMU,BMU
  BMU: BERMUDA,BMU,BMU
  BOL,BOL,BOL
  BOL: BOLIVIA (PLURINATIONAL STATE OF)  (PLURINATIO,BOL,BOL
  BOLIVIA,BOL,BOL
  "Bolivia, Plurinational State of",BOL,BOL
  Bolivia-intl Narc,NULL,NULL
  "Bonaire, Sint Eustatius and Saba",NULL,BES
  BOSNIA,BIH,BIH
  Bosnia & Herzegovina,BIH,BIH
  BOSNIA AND HERZEGOVINA,BIH,BIH
  Bosnia-Hercegov,BIH,BIH
  Bosnia-Hercegovina,BIH,BIH
  Bosnia-herzegovina,BIH,BIH
  BOTSWANA,BWA,BWA
  Bouvet Island,NULL,BVT
  Br  Virgin Is,VGB,VGB
  Br Indian O Ter,IOT,IOT
  BRA,BRA,BRA
  BRA: BRAZIL,BRA,BRA
  BRAZIL,BRA,BRA
  BRB,BRB,BRB
  BRB: BARBADOS,BRB,BRB
  British Indian Ocean Territory,IOT,IOT
  BRITISH INDIAN OCEAN TERRITORY [UNITED KINGDOM],IOT,IOT
  BRITISH VIRGIN ISLANDS [UNITED KINGDOM],VGB,VGB
  BRN,BRN,BRN
  BRN: BRUNEI DARUSSALAM,BRN,BRN
  BRUNEI,BRN,BRN
  Brunei Darussalam,BRN,BRN
  BTN,BTN,BTN
  BTN: BHUTAN,BTN,BTN
  BULGARIA,BGR,BGR
  