anchor.diff:  , polkit
   , udev
   , upower
  +, wayland
   , xf86_input_wacom
  -, xkeyboard_config
  -, wayland
   , xorg
   }:
   
  
positive.code:     upower
      wayland
      xf86_input_wacom
      xkeyboard_config
      xorg.inputproto
      xorg.libX11
      xorg.libXext
  
negative.code:     xorg.libXtst
      xorg.libXxf86misc
      xorg.xf86miscproto
      xorg.xkeyboardconfig
      xorg.xproto
    ];
  
  