anchor.diff:  
       homepage = http://www.gnu.org/software/help2man/;
   
  -    license = stdenv.lib.licenses.gpl3Plus;
  -    platforms = stdenv.lib.platforms.gnu;         # arbitrary choice
  -    maintainers = [ stdenv.lib.maintainers.ludo ];
  +    license = licenses.gpl3Plus;
  +    platforms = platforms.gnu;         # arbitrary choice
  +    maintainers = with maintainers; [ ludo pSub ];
     };
   }
  
positive.code: { stdenv, fetchurl, perl, gettext, LocaleGettext, makeWrapper }:
  
  stdenv.mkDerivation rec {
    name = "help2man-1.44.1";
  
    src = fetchurl {
      url = "mirror://gnu/help2man/${name}.tar.xz";
      sha256 = "1yyyfw9zrfdvslnv91bnhyqmazwx243wmkc9wdaz888rfx36ipi2";
    };
  
    buildInputs = [ makeWrapper perl gettext LocaleGettext ];
  
negative.code:     '';
  
  
    meta = with stdenv.lib; {
      description = "Generate man pages from `--help' output";
  
      longDescription =
  