anchor.diff:        sha256 = "74d22c44b5ad2e7190e2786e8a17d74bbf4cef89b4d1157ba33598b5a2720dad";
       };
     };
  -  
  +
     IOPager = buildPerlPackage {
       name = "IO-Pager-0.06";
       src = fetchurl {
  
positive.code:       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
      };
    };
   
    TestTrailingSpace = buildPerlPackage rec {
      name = "Test-TrailingSpace-0.0301";
      src = fetchurl {
  
negative.code:       sha256 = "1hvi92c4h2angryc6pngw7gbm3ysc2jfmyxk2wh9ia4vdwpbs554";
      };
      propagatedBuildInputs = [TestException ClassAccessorChained];
    };
  
    DataPagePageset = buildPerlPackage rec {
      name = "Data-Page-Pageset-1.02";
      src = fetchurl {
        url = "https://cpan.metacpan.org/authors/id/C/CH/CHUNZI/Data-Page-Pageset-1.02.tar.gz";
        sha256 = "142isi8la383dbjxj7lfgcbmmrpzwckcc4wma6rdl8ryajsipb6f";
      };
      buildInputs = [ TestPod TestPodCoverage ];
      propagatedBuildInputs = [ DataPage ];
      meta = {
        description = "change long page list to be shorter and well navigate";
        license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
      };
    };
  
    DataPassword = buildPerlPackage {
  