anchor.diff:      };
     };
   
  -  SelfLoader = null; # part of Perl 5.28
  -
     SerealDecoder = buildPerlPackage rec {
       name = "Sereal-Decoder-4.005";
       src = fetchurl {
  
positive.code:   UnicodeNormalize = null; # part of Perl 5.26
    XSLoader = null; # part of Perl 5.26
  
    ArchiveZip_1_53 = self.ArchiveZip;
    Autobox = self.autobox;
    CommonSense = self.commonsense; # For backwards compatibility.
  
negative.code:       license = "unknown";
      };
    };
  
    UnicodeLineBreak = buildPerlPackage rec {
      name = "Unicode-LineBreak-2018.003";
  