anchor.diff:  1,"UNLICENSE"
   1,"The Ruby License"
   1,"Suvankar"
  -4,"Ruby"
   2,"RUBY"
  +5,"Ruby"
   3,"Public Domain"
   2,"Public Domain (CC0)"
   1,"Perl Artistic v2"
   1,"MIT-LICENSE"
  -538,"MIT"
  +578,"MIT"
   1,"MIT License"
   1,"LPGL-3"
   1,"LGPL3"
  
positive.code: 5,"GPL-3"
  1,"GPL-2.0"
  7,"GPL-2"
  2,"GPL"
  7,"GPL 2"
  1,"GNU"
  1,"GNU GPL v2"
  1,"EPL-1.0"
  1,"CDDL-1.0"
  1,"BSD-3"
  5,"BSD-2-Clause"
  1,"BSD-2"
  5,"BSD"
  1,"BSD 3-Clause"
  1,"BSD 2-Clause"
  1,"Beerware"
  1,"Artistic 2.0"
  2,"APLv2"
  1,"apachev2"
  5,"Apache-2.0"
  5,"Apache"
  1,"Apache v2.0"
  
negative.code: 2,"Apache License 2.0"
  2,"Apache License (2.0)"
  1,"Apache Licence v2"
  11,"Apache 2.0"
  1,"AGPL3"
  1,"AGPL-3.0"
  