anchor.diff:      };
     };
   
  -  PadWalker = buildPerlPackage {
  -    name = "PadWalker-1.98";
  -    src = fetchurl {
  -      url = mirror://cpan/authors/id/R/RO/ROBIN/PadWalker-1.98.tar.gz;
  -      sha256 = "0v2pldb5awflf10w1p9pwn8w37lkpfc2h459gd9zz6p57883ibw0";
  -    };
  -    meta = {
  +  PadWalker = buildPerlPackage rec {
  +    name = "PadWalker-2.2";
  +    src = fetchurl {
  +      url = "mirror://cpan/authors/id/R/RO/ROBIN/${name}.tar.gz";
  +      sha256 = "fc1df2084522e29e892da393f3719d2c1be0da022fdd89cff4b814167aecfea3";
       };
     };
   
  
positive.code:     };
    };
  
    "if" = buildPerlPackage rec {
      name = "if-0.0606";
      src = fetchurl {
        url = "mirror://cpan/authors/id/R/RJ/RJBS/${name}.tar.gz";
        sha256 = "63d69282d6c4c9e76370b78d770ca720cea88cfe5ee5b612709240fc6078d50e";
      };
      meta = {
        description = "C<use> a Perl module if a condition holds (also can C<no> a module)";
        license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
        maintainers = [ maintainers.rycee ];
      };
    };
  
    # For backwards compatibility.
    if_ = self."if";
  
negative.code:       sha256 = "0qs7c8jffar2rpvscrd8rcds75zsc46cizp5fi5369821jl4fw3a";
      };
      propagatedBuildInputs = [ IOCaptureOutput ];
    };
  
    DevelCheckOS = buildPerlPackage rec {
      name = "Devel-CheckOS-1.76";
      src = fetchurl {
        url = "mirror://cpan/authors/id/D/DC/DCANTRELL/${name}.tar.gz";
        sha256 = "f83fb4cb8de060f607214b1e88c98ac6c4e065371e646fe896f16ea887aecb0c";
      };
      propagatedBuildInputs = [ DataCompare FileFindRule ];
    };
  
    DevelDProf = buildPerlPackage {
  