anchor.diff:  1,"UNLICENSE"
   1,"The Ruby License"
   1,"Suvankar"
  +4,"Ruby"
   2,"RUBY"
  -4,"Ruby"
   3,"Public Domain"
   2,"Public Domain (CC0)"
   1,"Perl Artistic v2"
   1,"MIT-LICENSE"
  -480,"MIT"
  +529,"MIT"
   1,"MIT License"
   1,"LPGL-3"
   1,"LGPL3"
  -1,"LGPL-3.0"
  +2,"LGPL-3.0"
   3,"LGPL-3"
   2,"LGPL"
   3,"ISC"
   3,"GPLv3"
   2,"GPLv3 or later"
  +1,"GPLv2"
   1,"GPL3"
   1,"GPL-3.0+"
   1,"GPL-3.0"
  
positive.code: 1,"BSD-3"
  5,"BSD-2-Clause"
  1,"BSD-2"
  4,"BSD"
  1,"BSD 3-Clause"
  1,"BSD 2-Clause"
  1,"Beerware"
  
negative.code: 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"
  8,"Apache 2.0"
  1,"AGPL3"
  1,"AGPL-3.0"
  