anchor.diff:  1,"Proprietary"
   1,"Perl Artistic v2"
   1,"MIT-LICENSE"
  -879,"MIT"
  +897,"MIT"
   1,"MIT License"
   1,"MIT (see LICENSE file)"
   1,"LPGL-3"
  +1,"LGPLv3"
   1,"LGPLv2"
   1,"LGPL3"
   4,"LGPL-3.0"
  
positive.code: count,license
  4,"WTFPL"
  1,"UNLICENSED"
  1,"UNLICENSE"
  1,"The Ruby License"
  
negative.code: 5,"Apache License 2.0"
  2,"Apache License (2.0)"
  1,"Apache Licence v2"
  17,"Apache 2.0"
  1,"Apache 2"
  1,"ALv2"
  1,"All right reserved."
  