anchor.diff:      sha256 = "1yk6rx3zr9grm4jwpjvqdkl13pisy7qn1wm5cqzmd2kbsn96cy6l";
     };
   
  -  nativeBuildInputs = [ pkgconfig ];
  -  buildInputs = [ intltool gtk2 ];
  -  
  +  nativeBuildInputs = [
  +    pkgconfig
  +    intltool
  +    gtk3
  +  ];
  +
     passthru.updateScript = xfce.updateScript {
       inherit pname version;
       attrPath = "xfce.${pname}";
  
positive.code: { stdenv, fetchurl, pkgconfig, intltool, gtk2, xfce }:
  
  let
    category = "art";
  
negative.code:   meta = with stdenv.lib; {
      homepage = "https://www.xfce.org/";
      description = "Icons for Xfce";
      license = licenses.gpl2Plus;
      platforms = platforms.linux;
      maintainers = [ maintainers.eelco ];
    };
  