anchor.diff:    };
   
     TermReadKey = buildPerlPackage {
  -    name = "TermReadKey-2.31";
  -    src = fetchurl {
  -      url = mirror://cpan/authors/id/J/JS/JSTOWE/TermReadKey-2.31.tar.gz;
  -      sha256 = "1czarrdxgnxmmbaasjnq3sj14nf1cvzhm37padq6xvl7h7r2acb2";
  +    name = "TermReadKey-2.37";
  +    src = fetchurl {
  +      url = mirror://cpan/authors/id/J/JS/JSTOWE/TermReadKey-2.37.tar.gz;
  +      sha256 = "4a9383cf2e0e0194668fe2bd546e894ffad41d556b41d2f2f577c8db682db241";
       };
     };
   
  
positive.code:     meta = {
        maintainers = with maintainers; [ ocharles ];
        platforms   = stdenv.lib.platforms.all;
      };
    };
  
  
negative.code:   # };
  
    UnicodeLineBreak = buildPerlPackage rec {
      name = "Unicode-LineBreak-2015.12";
      src = fetchurl {
        url = "mirror://cpan/authors/id/N/NE/NEZUMI/${name}.tar.gz";
        sha256 = "9509114ee76ecd6e2990d9ad7f260a81292804de54acd1c852d7e57812b316b4";
      };
      propagatedBuildInputs = [ MIMECharset ];
      meta = {
  