anchor.diff:  1,MIT License
   1,MIT (http://opensource.org/licenses/MIT)
   1,mit
  -1066,MIT
  +1074,MIT
   1,LGPLv3
   1,LGPLv2.1+
   1,LGPLv2.1
  
positive.code: 6,Apache License 2.0
  6,Apache License (2.0)
  1,Apache Licence 2.0
  31,Apache 2.0
  1,Apache 2
  7,Apache
  1,all of them
  
negative.code: 2,ISC
  1,GSLv3
  1,GPLv3+
  4,GPLv3
  2,GPLv2
  3,GPL3
  6,GPL-3
  14,GPL-2
  1,GPL v3.0
  1,GPL Lv.3
  