anchor.diff:  3,"LGPL-3.0"
   3,"LGPL-3"
   1,"LGPL-2.1"
  -5,"LGPL"
  +6,"LGPL"
   3,"ISC"
   1,"GSLv3"
   4,"GPLv3"
  
positive.code: 1,"Proprietary"
  1,"Perl Artistic v2"
  1,"MIT-LICENSE"
  804,"MIT"
  1,"MIT License"
  1,"MIT (see LICENSE file)"
  1,"LPGL-3"
  
negative.code: 2,"APLv2"
  1,"apachev2"
  1,"APACHE2"
  11,"Apache-2.0"
  8,"Apache"
  1,"Apache v2.0"
  1,"Apache v2"
  7,"Apache License, Version 2.0"
  