anchor.diff:      libstartup_notification
       #libxkbcommon
       libxml2
  -    mesa_noglu
  +    mesa
       mutter
       networkmanager
       networkmanager-applet
  
positive.code: , libstartup_notification
  , libxkbcommon
  , libxml2
  , mesa_noglu
  , mutter
  , networkmanager
  , networkmanager-applet
  
negative.code:     polkit
      pulseaudio_lib
      python3
      #spidermonkey
      systemd_lib
      telepathy_glib
      telepathy_logger
  