anchor.diff:  John McCarthy,
   John McCraw,
   John Merlin Powis Smith,
  -John Milne Bramwell,
  +John Milne Bramwell,4
   John Moffat,
   John Morgan,
   John Myhill,
   John N. Belkin,
   John N. Shive,
  -John Naisbitt,
  -John Napier,
  +John Naisbitt,336
  +John Napier,359
   John Nelder,102
   John Neulinger,
   John Newport Langley,
  
positive.code: Eugenio Calabi,
  Eugenio Elia Levi,
  Eugenio Gaddini,
  Eugeny Pchelov,
  Eunseong Kim,
  Eva Bayer-Fluckiger,
  Eva Joy Pell,
  
negative.code: Seymour Roger Cray,
  Shafi Goldwasser,234
  Shahn Majid,
  Shakuntala Singh,49
  Shamit Kachru,
  Shankar Balasubramanian,
  Sharam Kohan,
  