anchor.diff:  3,ISC
   1,Internet Systems Consortium (ISC)
   2,http://www.apache.org/licenses/LICENSE-2.0.txt
  +1,http://unlicense.org/
   1,GSLv3
   1,GPLv3+
  -9,GPLv3
  +12,GPLv3
   5,GPLv2
   5,GPL3
  -15,GPL-3
  -17,GPL-2
  +1,GPL2
  +19,GPL-3
  +20,GPL-2
   1,GPL v3.0
   1,GPL v2
   1,GPL Lv.3
  
positive.code: 1,MIT, Simplified BSD, Apache 2.0
  1,MIT, Apache License v2.0
  2,MIT License
  1,MIT (http://opensource.org/licenses/MIT)
  2,mit
  1753,MIT
  3,LGPLv3
  1,LGPLv2.1+
  1,LGPLv2.1
  
negative.code: 1,apache2
  10,APACHE2
  3,Apache-2.0
  1,Apache-2
  1,Apache, Version 2.0
  2,Apache v2
  12,Apache License, Version 2.0
  1,Apache License, v2.0
  5,Apache License Version 2.0
  1,Apache License version 2
  5,Apache License V2.0
  8,Apache License 2.0
  7,Apache License (2.0)
  1,Apache Licence 2.0
  57,Apache 2.0
  3,Apache 2
  1,APACHE 2
  8,Apache
  2,APACHE
  1,All right reserved.
  1,all of them
  1,AGPL3
  5,AGPL
  3,ACE
  1,3-clause BSD
  1,3-Clause BSD
  1,2-clause BSDL
  