anchor.diff:  5,"Apache License 2.0"
   2,"Apache License (2.0)"
   1,"Apache Licence v2"
  -16,"Apache 2.0"
  +17,"Apache 2.0"
   1,"Apache 2"
   1,"ALv2"
   1,"All right reserved."
  
positive.code: 1,"Proprietary"
  1,"Perl Artistic v2"
  1,"MIT-LICENSE"
  879,"MIT"
  1,"MIT License"
  1,"MIT (see LICENSE file)"
  1,"LPGL-3"
  1,"LGPLv2"
  1,"LGPL3"
  4,"LGPL-3.0"
  
negative.code: count,license
  4,"WTFPL"
  1,"UNSPECIFIED"
  1,"UNLICENSED"
  1,"UNLICENSE"
  1,"The Ruby License"
  