anchor.diff:      };
       propagatedBuildInputs = [ AlgorithmDiff ];
       meta = {
  +      description = "Perl extension for getting the Longest Common Sub-Sequence";
         license = with lib.licenses; [ artistic1 gpl1Plus ];
         maintainers = [ maintainers.sgo ];
       };
  
positive.code:       sha256 = "757a67e0aa59ae103ea5ca092cbecc025644ebdc326731688ffab6f8823ef4b3";
      };
      meta = {
        license = with lib.licenses; [ artistic1 gpl1Plus ];
      };
    };
  
negative.code:       sha256 = "165y1cjirbq64w39svkz82cb5jjqkjm8f4c0wqi2lk6050hzf3vq";
      };
      meta = {
        description = "Easily build XS extensions that depend on XS extensions";
        license = with lib.licenses; [ artistic1 gpl1Plus artistic1 gpl1Plus ];
      };
    };
  