anchor.diff:  1,"Apache Licence v2"
   6,"Apache 2.0"
   1,"AGPL3"
  +1,"AGPL-3.0"
  
positive.code: 1,"BSD 2-Clause"
  1,"Beerware"
  1,"Artistic 2.0"
  1,"apachev2"
  3,"Apache-2.0"
  4,"Apache"
  
negative.code: count,license
  2,"WTFPL"
  1,"UNLICENSED"
  1,"UNLICENSE"
  1,"Suvankar"
  2,"RUBY"
  4,"Ruby"
  2,"Public Domain"
  1,"Public Domain (CC0)"
  1,"Perl Artistic v2"
  386,"MIT"
  1,"MIT License"
  1,"LPGL-3"
  1,"LGPL-3.0"
  2,"LGPL-3"
  2,"LGPL"
  2,"ISC"
  3,"GPLv3"
  2,"GPLv3 or later"
  1,"GPL3"
  1,"GPL-3.0+"
  1,"GPL-3.0"
  3,"GPL-3"
  1,"GPL-2.0"
  5,"GPL-2"
  2,"GPL"
  4,"GPL 2"
  1,"GNU"
  1,"GNU GPL v2"
  