anchor.diff:  1,THE (extended) BEER-WARE LICENSE
   5,Simplified BSD
   1,Ruby's or GPLv2 or later
  +1,Ruby's
   1,Ruby License
   4,Ruby
  +2,R2CORBA
  +20,Public Domain
   3,Public domain
  -20,Public Domain
   1,Proprietary
   1,PAL
   1,New-BSD
  
positive.code: 4,Apache License Version 2.0
  1,Apache License version 2
  5,Apache License V2.0
  7,Apache License 2.0
  7,Apache License (2.0)
  1,Apache Licence 2.0
  49,Apache 2.0
  
negative.code: 1,APLv2
  1,APL 2.0
  1,apachev2
  1,apache2
  10,APACHE2
  3,Apache-2.0
  1,Apache, Version 2.0
  2,Apache v2
  