anchor.diff:  }:
   
   assert libx11 != null ->
  -  xorg.libXrandr != null
  -  && xorg.libxkbfile != null
  +  xorg.libxkbfile != null
     && xorg.xkeyboardconfig != null;
   
   let
  
positive.code: , gdk-pixbuf
  , glib
  , gnome_doc_utils
  , gobject-introspection
  , gsettings-desktop-schemas
  , gtk
  
negative.code:   };
  
    nativeBuildInputs = [
      autoreconfHook
      gettext
      gnome-common
      intltool
      itstool
      libxslt
  