anchor.diff:  1,"GNU GPLv3"
   1,"GNU GPLv3 and AGPLv3"
   3,"GNU GPL-3"
  -2,"GNU GPL"
  -1,"GNU General Public License"
  -1,"FreeBSD"
  +4,"GNU GPL"
  +2,"GNU General Public License"
  +2,"FreeBSD"
   1,"Free as in beer."
   1,"FeiJi"
   1,"EPLv1"
  
positive.code: 1,"Copyright (c) Rajarshi Das. All rights reserved"
  7,"Copyright (c) Joe McIlvain. All rights reserved "
  1,"Commercial"
  1,"CCPL"
  5,"CC0"
  1,"cc-zero"
  1,"CC-BY-SA"
  1,"CC-BY-NC-SA 3.0"
  8,"CC BY-NC-SA 3.0"
  1,"BSD3"
  1,"BSD-3-clause"
  5,"BSD-3"
  1,"BSD-2-Clause"
  1,"BSD-2"
  1,"bsd"
  122,"BSD"
  1,"BSD or AFL"
  1,"BSD Clause 2"
  15,"BSD 3-Clause"
  2,"BSD 3-clause"
  4,"BSD 2-Clause"
  1,"BSD + MPL 1.1/GPL 2.0/LGPL 2.1"
  3,"Beerware"
  1,"BEER"
  1,"BAT"
  
negative.code: 1,"The Ruby License"
  1,"The BSD 3-Clause License"
  1,"THE (extended) BEER-WARE LICENSE"
  1,"Stanford University Libraries"
  6,"Simplified BSD"
  1,"See LICENSE."
  1,"See https://github.com/danlucraft/swt/blob/master/LICENSE"
  1,"Same As Ruby's"
  3,"Ruby's"
  1,"Ruby's or GPLv2 or later"
  12,"Ruby"
  1,"RUBY"
  1,"Ruby or LGPLv3+"
  1,"Ruby License"
  2,"R2CORBA"
  1,"PUBLIC DOMAIN"
  38,"Public Domain"
  4,"Public domain"
  1,"Public Domain License"
  1,"Proprietary"
  1,"PayPal SDK License"
  1,"PAL"
  1,"OWL"
  1,"Open-Source"
  4,"Open Software Licence v3.0"
  2,"NYSL"
  2,"none"
  1,"none (all rights reserved)"
  1,"NIT-Neev"
  1,"NIT"
  1,"New-BSD"
  2,"New BSD"
  6,"New BSD License"
  2,"New BSD license"
  1,"NEEV"
  1,"MSU"
  2,"MPLv2"
  8,"MPL2.0/LGPLv3"
  1,"MPL2"
  1,"MPL/LGPL"
  1,"MPL-2.0"
  1,"MPL-1.0"
  