anchor.diff:  1,BSD-2-Clause
   8,BSD 3-Clause
   3,BSD 2-Clause
  -28,BSD
  +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
  -10,APACHE2
   3,Apache-2.0
   1,Apache, Version 2.0
   2,Apache v2
  -7,Apache License, Version 2.0
  +9,Apache License, Version 2.0
   1,Apache License, v2.0
   4,Apache License Version 2.0
   1,Apache License version 2
  
positive.code: 1,MIT, Apache License v2.0
  2,MIT License
  1,MIT (http://opensource.org/licenses/MIT)
  1628,MIT
  2,mit
  3,LGPLv3
  1,LGPLv2.1+
  1,LGPLv2.1
  1,LGPL3
  7,LGPL-3
  9,LGPL
  2,ISC License
  3,ISC
  1,Internet Systems Consortium (ISC)
  2,http://www.apache.org/licenses/LICENSE-2.0.txt
  1,GSLv3
  1,GPLv3+
  7,GPLv3
  2,GPLv2
  5,GPL3
  15,GPL-3
  16,GPL-2
  1,GPL v3.0
  1,GPL Lv.3
  12,GPL
  
negative.code: 1,Ruby License
  4,Ruby
  2,R2CORBA
  3,Public domain
  20,Public Domain
  1,Proprietary
  1,PAL
  1,New-BSD
  3,New BSD License
  1,MSU
  1,MPL-2.0
  1,MPL
  3,MIT-LICENSE
  