anchor.diff:  
   stdenv.mkDerivation rec {
     pname  = "xfce4-weather-plugin";
  -  version = "0.8.10";
  +  version = "0.10.1";
   
     src = fetchurl {
       url = "mirror://xfce/src/${category}/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
  -    sha256 = "1f7ac2zr5s5w6krdpgsq252wxhhmcblia3j783132ilh8k246vgf";
  +    sha256 = "12bs2rfmmy021087i10vxibdbbvd5vld0vk3h5hymhpz7rgszcmg";
     };
   
  -  nativeBuildInputs = [ pkgconfig intltool ];
  +  nativeBuildInputs = [
  +    pkgconfig
  +    intltool
  +  ];
   
  -  buildInputs = [ gtk2 libxml2 libsoup upower libxfce4ui libxfce4util
  -   xfce4-panel hicolor-icon-theme ];
  +  buildInputs = [
  +    gtk3
  +    libxml2
  +    libsoup
  +    upower
  +    libxfce4ui
  +    libxfce4util
  +    xfce4-panel
  +    hicolor-icon-theme
  +  ];
   
     enableParallelBuilding = true;
     
  
positive.code:   };
  
    meta = with stdenv.lib; {
      homepage = "https://goodies.xfce.org/projects/panel-plugins/${pname}";
      description = "Weather plugin for the Xfce desktop environment";
      license = licenses.gpl2Plus;
      platforms = platforms.unix;
  
negative.code: { stdenv, fetchurl, pkgconfig, intltool, gtk3, libxml2, libsoup, upower,
    libxfce4ui, libxfce4util, xfce4-panel, hicolor-icon-theme, xfce }:
  
  let
  