anchor.diff:  , makeWrapper
   }:
   
  +let
  +  version = "1.47.4";
  +
  +  tarballUrls = version: [
  +    "mirror://gnu/help2man/help2man-${version}.tar.xz"
  +  ];
  +in
   stdenv.mkDerivation rec {
  -  name = "help2man-1.47.3";
  +  name = "help2man-${version}";
   
     src = fetchurl {
  -    url = "mirror://gnu/help2man/${name}.tar.xz";
  -    sha256 = "0miqq77ssk5rgsc9xlv7k5n2wk2c5wv2m1kh4zhbwrggfmjaycn2";
  +    urls = tarballUrls version;
  +    allowHashOutput = false;
  +    sha256 = "d4ecf697d13f14dd1a78c5995f06459bff706fd1ce593d1c02d81667c0207753";
     };
   
     nativeBuildInputs = [
  
positive.code:       --prefix PERL5LIB : "$(echo ${perlPackages.LocaleGettext}/${perlPackages.perl.libPrefix})"
    '';
  
    meta = with stdenv.lib; {
      description = "Generate man pages from `--help' output";
      homepage = http://www.gnu.org/software/help2man/;
  
negative.code:       wkennington
      ];
      platforms = with platforms;
        x86_64-linux;
    };
  }
  