anchor.diff:  { stdenv, fetchurl, perl, gettext, LocaleGettext, makeWrapper }:
   
   stdenv.mkDerivation rec {
  -  name = "help2man-1.44.1";
  +  name = "help2man-1.46.1";
   
     src = fetchurl {
       url = "mirror://gnu/help2man/${name}.tar.xz";
  -    sha256 = "1yyyfw9zrfdvslnv91bnhyqmazwx243wmkc9wdaz888rfx36ipi2";
  +    sha256 = "0iqwb3qirl7rp1wwpbh01q89qxvi4h3bc73wi03av6hl4sh05z9x";
     };
   
     buildInputs = [ makeWrapper perl gettext LocaleGettext ];
  
positive.code: 
      homepage = http://www.gnu.org/software/help2man/;
  
      license = stdenv.lib.licenses.gpl3Plus;
      platforms = stdenv.lib.platforms.gnu;         # arbitrary choice
      maintainers = [ stdenv.lib.maintainers.ludo ];
    };
  }
  
negative.code:     '';
  
  
    meta = with stdenv.lib; {
      description = "Generate man pages from `--help' output";
  
      longDescription =
  