anchor.diff:      upower
       wayland
       xf86-input-wacom
  -    xorg.xkeyboardconfig
  +    xkeyboard-config
       xorgproto
     ];
   
  
positive.code: , libxi
  , libxkbfile
  , libxml2
  , networkmanager
  , nss
  , pango
  
negative.code:     libxfixes
      libxkbfile
      libxml2
      libxtst
      xorg.libXxf86misc
      networkmanager
      nss
  