anchor.diff:      };
     };
   
  +  perlDataHierarchy = import ../development/perl-modules/generic perl {
  +    name = "Data-Hierarchy-0.34";
  +    src = fetchurl {
  +      url = http://search.cpan.org/CPAN/authors/id/C/CL/CLKAO/Data-Hierarchy-0.34.tar.gz;
  +      sha256 = "1vfrkygdaq0k7006i83jwavg9wgszfcyzbl9b7fp37z2acmyda5k";
  +    };
  +    propagatedBuildInputs = [perlTestException];
  +  };
  +
     perlDateManip = import ../development/perl-modules/generic perl {
       name = "DateManip-5.42a";
       src = fetchurl {
  
positive.code:     propagatedBuildInputs = [perlURI perlHTMLParser perlHTMLTagset];
    };
  
    perlModulePluggable = import ../development/perl-modules/generic perl {
      name = "Module-Pluggable-3.5";
      src = fetchurl {
  
negative.code:     };
    };
  
    perlClassAccessor = import ../development/perl-modules/generic perl {
      name = "Class-Accessor-0.31";
      src = fetchurl {
        url = http://search.cpan.org/CPAN/authors/id/K/KA/KASEI/Class-Accessor-0.31.tar.gz;
        sha256 = "1a4v5qqdf9bipd6ba5n47mag0cmgwp97cid67i510aw96bcjrsiy";
      };
      propagatedBuildInputs = [];
    };
  
    perlClassAutouse = import ../development/perl-modules/generic perl {
      name = "Class-Autouse-1.99_02";
      src = fetchurl {
        url = http://search.cpan.org/CPAN/authors/id/A/AD/ADAMK/Class-Autouse-1.99_02.tar.gz;
        sha256 = "1jkhczx2flxrz154ps90fj9wcchkpmnp5sapwc0l92rpn7jpsf08";
      };
      propagatedBuildInputs = [];
    };
  
    perlClassDataInheritable = import ../development/perl-modules/generic perl {
      name = "Class-Data-Inheritable-0.08";
      src = fetchurl {
        url = http://search.cpan.org/CPAN/authors/id/T/TM/TMTM/Class-Data-Inheritable-0.08.tar.gz;
        sha256 = "0jpi38wy5xh6p1mg2cbyjjw76vgbccqp46685r27w8hmxb7gwrwr";
      };
      propagatedBuildInputs = [];
    };
  
    perlCompressZlib = import ../development/perl-modules/Compress-Zlib {
      inherit fetchurl perl;
    };
  
    perlconstant = import ../development/perl-modules/generic perl {
      name = "constant-1.15";
      src = fetchurl {
        url = http://search.cpan.org/CPAN/authors/id/S/SA/SAPER/constant-1.15.tar.gz;
        sha256 = "1ygz0hd1fd3q88r6dlw14kpyh06zjprksdci7qva6skxz3261636";
      };
      propagatedBuildInputs = [];
    };
  
    perlCryptPasswordMD5 = import ../development/perl-modules/generic perl {
  