anchor.diff:      awk()   { ${gawk}/bin/awk       "$@"; }\
       sort()  { ${coreutils}/bin/sort "$@"; }\
       xset()  { ${xset}/bin/xset      "$@"; }\
  +    perl()  { PERL5LIB=${perlPath} ${perlPackages.perl}/bin/perl "$@"; }\
       &#' -i "$out"/bin/*
   
       substituteInPlace $out/bin/xdg-open \
  
positive.code: { stdenv, fetchurl, fetchFromGitHub
  , file, libxslt, docbook_xml_dtd_412, docbook_xsl, xmlto
  , w3m, gnugrep, gnused, coreutils, xset
  , mimiSupport ? false, gawk ? null }:
  
  assert mimiSupport -> gawk != null;
  
negative.code:     rev = "8e0070f17bcd3612ee83cb84e663e7c7fabcca3d";
      sha256 = "15gw2nyrqmdsdin8gzxihpn77grhk9l97jp7s7pr7sl4n9ya2rpj";
    };
  
    perlPath = with perlPackages; makePerlPath [
      NetDBus XMLTwig XMLParser X11Protocol
    ];
  
  in
  
  stdenv.mkDerivation rec {
  