anchor.diff:  1,MIT License
   1,MIT (http://opensource.org/licenses/MIT)
   1,mit
  -1032,MIT
  +1049,MIT
   1,LGPLv3
  +1,LGPLv2.1+
   1,LGPLv2.1
   7,LGPL-3
   9,LGPL
  
positive.code: 6,Apache License 2.0
  6,Apache License (2.0)
  1,Apache Licence 2.0
  29,Apache 2.0
  1,Apache 2
  7,Apache
  1,all of them
  
negative.code: 4,Simplified BSD
  1,Ruby's or GPLv2 or later
  4,Ruby
  19,Public Domain
  3,Public domain
  1,Proprietary
  1,New-BSD
  2,New BSD License
  