anchor.diff:  , pygobject3, gobjectIntrospection, libwnck3 }:
   
   let
  -  version = "${major}.9";
  +  version = "${major}.10";
     major = "0.3";
   in
   
  
positive.code: 
    src = fetchurl {
      url = "mirror://gnome/sources/d-feet/${major}/d-feet-${version}.tar.xz";
      sha256 = "0lvrrbxkvw495jn4vj64r8vd3hng5v0lvagfzcbk5x1f3ky1gybd";
    };
  
    buildInputs = [
  
negative.code: 
      homepage = https://wiki.gnome.org/action/show/Apps/DFeet;
      platforms = stdenv.lib.platforms.all;
      license = stdenv.lib.licenses.gpl2;
      maintainers = with stdenv.lib.maintainers; [ ktosiek ];
    };
  }
  