anchor.diff:    HTTPParserXS = buildPerlPackage rec {
       name = "HTTP-Parser-XS-0.14";
       src = fetchurl {
  -      url = "mirror://cpan/modules/by-module/HTTP/${name}.tar.gz";
  +      url = "mirror://cpan/authors/id/K/KA/KAZUHO/${name}.tar.gz";
         sha256 = "06srbjc380kvvj76r8n5c2y282j5zfgn0s0zmb9h3shwrynfqj05";
       };
       buildInputs = [ TestMore ];
  
positive.code:   LinguaENInflectPhrase = buildPerlPackage rec {
      name = "Lingua-EN-Inflect-Phrase-0.10";
      src = fetchurl {
        url = "mirror://cpan/modules/by-module/Lingua/${name}.tar.gz";
        sha256 = "1l7sjnibnvgb7a73cjhysmrg4j2bfcn0x5yrqmh0v23laj9fsbbm";
      };
      buildInputs = [ TestMore ];
  
negative.code:   TestSharedFork = buildPerlPackage rec {
      name = "Test-SharedFork-0.18";
      src = fetchurl {
        url = "mirror://cpan/authors/id/T/TO/TOKUHIROM/${name}.tar.gz";
        sha256 = "1wc41jzi780w75m2ry1038mzxyz7386r8rmhbnmj3krcdxy676cc";
      };
    };
  