anchor.diff:  2,"APLv2"
   1,"apachev2"
   1,"APACHE2"
  -5,"Apache-2.0"
  +6,"Apache-2.0"
   5,"Apache"
   1,"Apache v2.0"
   1,"Apache v2"
  
positive.code: 1,"GNU"
  1,"GNU V2"
  1,"GNU GPL v2"
  1,"EPL-1.0"
  1,"CDDL-1.0"
  1,"BSD-3"
  5,"BSD-2-Clause"
  1,"BSD-2"
  6,"BSD"
  1,"BSD 3-Clause"
  
negative.code: 2,"Public Domain (CC0)"
  1,"Perl Artistic v2"
  1,"MIT-LICENSE"
  609,"MIT"
  1,"MIT License"
  1,"LPGL-3"
  1,"LGPL3"
  3,"LGPL-3.0"
  3,"LGPL-3"
  4,"LGPL"
  3,"ISC"
  3,"GPLv3"
  2,"GPLv3 or later"
  