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