libX11: libX11 (Core X11 protocol client library) libX11: libX11: libX11 is part of X11. libX11: libX11: For more information about the X.Org Foundation (the providers of the libX11: X.Org implementation of the X Window System), see their website: libX11: libX11: http://www.x.org libX11: libX11: libX11: