anchor.diff:    };
   
     ClassXSAccessor = buildPerlPackage rec {
  -    name = "Class-XSAccessor-1.11";
  +    name = "Class-XSAccessor-1.13";
       src = fetchurl {
         url = "mirror://cpan/modules/by-module/Class/${name}.tar.gz";
  -      sha256 = "0mf7rp73r1pzy47m4bp49jw8iwpi6l1drdpk4qqxik6n7nx15mh2";
  +      sha256 = "1nj21xq8bqvfz2mafrfskzw2p2j48b5k3rqxgxk99lw5ysmkz834";
       };
     };
   
  
positive.code:   };
  
    VariableMagic = buildPerlPackage rec {
      name = "Variable-Magic-0.46";
      src = fetchurl {
        url = "mirror://cpan/modules/by-module/Variable/${name}.tar.gz";
        sha256 = "0z8fbna6nhn0hlvj1qbjw7yjn3dzl7pz1psmc8amv8kg6avgj33q";
      };
    };
  
  
negative.code:   };
  
    ExtUtilsParseXS = buildPerlPackage rec {
      name = "ExtUtils-ParseXS-3.15";
      src = fetchurl {
        url = "mirror://cpan/modules/by-module/ExtUtils/${name}.tar.gz";
        sha256 = "06baf0nsmdkfk50p4x9kss4ncm8h49gkzy8hl5cxbxdsab65gmrb";
      };
    };
  
  