anchor.diff:  1,AGPL3
   5,AGPL
   3,ACE
  +1,3-Clause BSD
   1,3-clause BSD
  -1,3-Clause BSD
  
positive.code: 1,Ruby License
  4,Ruby
  2,R2CORBA
  20,Public Domain
  3,Public domain
  1,Proprietary
  1,PAL
  1,New-BSD
  3,New BSD License
  1,MPL-2.0
  1,MPL
  3,MIT-LICENSE
  
negative.code: 1,BSD-2-Clause
  8,BSD 3-Clause
  3,BSD 2-Clause
  29,BSD
  1,Beerware
  1,BAT
  4,Artistic 2.0
  1,APLv2
  1,APL 2.0
  1,apachev2
  1,Apache2.0
  10,APACHE2
  1,apache2
  3,Apache-2.0
  1,Apache, Version 2.0
  2,Apache v2
  9,Apache License, Version 2.0
  1,Apache License, v2.0
  4,Apache License Version 2.0
  1,Apache License version 2
  