anchor.diff:  , libnotify
   , librsvg
   , libwacom
  +, libx11
  +, libxext
  +, libxfixes
  +, libxi
  +, libxkbfile
   , libxml2
   , networkmanager
   , nss
  
positive.code: , upower
  , wayland
  , xf86-input-wacom
  , xorg
  
  , channel
  }:
  
negative.code:     libnotify
      librsvg
      libwacom
      libx11
      libxext
      libxi
      libxfixes
      libxkbfile
      libxml2
      xorg.libXtst
      xorg.libXxf86misc
      networkmanager
      nss
      pango
  