anchor.diff:  
   perlPackages.buildPerlPackage rec {
     pname = "convos";
  -  version = "5.00";
  +  version = "5.11";
   
     src = fetchFromGitHub {
       owner = "Nordaaker";
       repo = pname;
       rev = version;
  -    sha256 = "0mdbh9q1vclwgnjwvb3z637s7v804h65zxazbhmd7qi3zislnhg1";
  +    sha256 = "08k8dqdgz2b3p8g1zfg9i74r5nm1w0sqdm759d1f3jcyp737r47x";
     };
   
     nativeBuildInputs = [ makeWrapper ]
       ++ optional stdenv.isDarwin [ shortenPerlShebang ];
   
     buildInputs = with perlPackages; [
  -    CryptEksblowfish FileHomeDir FileReadBackwards
  +    CryptEksblowfish FileHomeDir FileReadBackwards HTTPAcceptLanguage
       IOSocketSSL IRCUtils JSONValidator LinkEmbedder ModuleInstall
       Mojolicious MojoliciousPluginOpenAPI MojoliciousPluginWebpack
       ParseIRC TextMarkdown TimePiece UnicodeUTF8
       CpanelJSONXS EV
     ];
  +
  +  propagatedBuildInputs = [ openssl ];
   
     checkInputs = with perlPackages; [ TestDeep TestMore ];
   
  
positive.code:     #
      substituteInPlace t/web-register-open-to-public.t \
        --replace '!127.0.0.1!' '!localhost!'
  
      # Module::Install is a runtime dependency not covered by the tests, so we add
      # a test for it.
  
negative.code: { lib, stdenv, fetchFromGitHub, perl, perlPackages, makeWrapper, shortenPerlShebang, openssl
  , nixosTests
  }:
  
  