anchor.diff:  1,CPL
   1,Copyright 2013 AgileWings
   1,Copyright (c) Rajarshi Das. All rights reserved
  -4,Copyright (c) Joe McIlvain. All rights reserved 
  +5,Copyright (c) Joe McIlvain. All rights reserved 
   1,Commercial
   1,CC0
   1,cc-zero
  
positive.code: 1,Apache Licence 2.0
  46,Apache 2.0
  3,Apache 2
  8,Apache
  1,all of them
  1,AGPL3
  5,AGPL
  1,3-clause BSD
  1,3-Clause BSD
  
negative.code: 1,BSD-3-clause
  8,BSD 3-Clause
  2,BSD 2-Clause
  26,BSD
  1,Beerware
  1,BAT
  4,Artistic 2.0
  