anchor.diff:      libtiff
       libxml2
       ncurses
  -    xorg.xproto
  +    xorg.kbproto
  +    xorg.libICE
       xorg.libSM
       xorg.libX11
       xorg.libXft
  
positive.code: , alsa-lib
  , dbus
  , fontconfig
  , gconf
  , giflib
  , glib
  
negative.code:     alsa-lib
      dbus
      fontconfig
      freetype
      gconf
      giflib
      glib
  