anchor.diff:  1,"Apache v2.0"
   1,"Apache v2"
   4,"Apache License, Version 2.0"
  +1,"Apache License, v2"
   2,"Apache License 2.0"
   2,"Apache License (2.0)"
   1,"Apache Licence v2"
  -6,"Apache 2.0"
  +8,"Apache 2.0"
   1,"AGPL3"
   1,"AGPL-3.0"
  
positive.code: 1,"UNLICENSE"
  1,"The Ruby License"
  1,"Suvankar"
  2,"RUBY"
  4,"Ruby"
  3,"Public Domain"
  2,"Public Domain (CC0)"
  1,"Perl Artistic v2"
  1,"MIT-LICENSE"
  480,"MIT"
  1,"MIT License"
  1,"LPGL-3"
  1,"LGPL3"
  1,"LGPL-3.0"
  3,"LGPL-3"
  2,"LGPL"
  3,"ISC"
  3,"GPLv3"
  2,"GPLv3 or later"
  1,"GPL3"
  1,"GPL-3.0+"
  1,"GPL-3.0"
  
negative.code: 1,"BSD-3"
  5,"BSD-2-Clause"
  1,"BSD-2"
  5,"BSD"
  1,"BSD 3-Clause"
  1,"BSD 2-Clause"
  1,"Beerware"
  