anchor.diff:      upower
       ibus
       gnome-desktop
  -    telepathy-logger
       gnome-settings-daemon
       gobject-introspection
   
  
positive.code: , docbook-xsl-nons
  , at-spi2-core
  , libstartup_notification
  , telepathy-glib
  , telepathy-logger
  , unzip
  , shared-mime-info
  , libgweather
  
negative.code:     librsvg
      networkmanager
      libstartup_notification
      gjs
      mutter
      libpulseaudio
  