anchor.diff:      };
     };
   
  -  CommonSense = buildPerlPackage rec {
  +  # For backwards compatibility.
  +  CommonSense = self.commonsense;
  +
  +  commonsense = buildPerlPackage rec {
       name = "common-sense-3.74";
       src = fetchurl {
         url = "mirror://cpan/authors/id/M/ML/MLEHMANN/${name}.tar.gz";
  
positive.code:     };
      meta = {
        homepage = http://search.cpan.org/perldoc?CPAN::Meta::Spec;
      };
    };
  
  
negative.code:       sha256 = "2ae7f8734e2e4945510252152c3bea4be35f4aa58aad3db0504c38844b08a991";
      };
      buildInputs = [ CanaryStability ];
      propagatedBuildInputs = [ commonsense ];
      meta = {
        license = stdenv.lib.licenses.gpl1Plus;
      };
  