I would recommend against the Tronche site for references. It was automatically converted, but there are sometimes fields missing in places. I've tried emailing

I would recommend against the Tronche site for references. It was automatically converted, but there are sometimes fields missing in places. I've tried emailing him, but the email address is disconnected. You can find reference documentation officially here: http://www.x.org/releases/current/doc/libX11/libX11/libX11.html http://www.x.org/releases/current/doc/libX11/libX11/libX11.h... http://www.x.org/releases/current/doc/xorg-docs/icccm/icccm.html http://www.x.org/releases/current/doc/xorg-docs/icccm/icccm.... I haven't read the tutorial, so maybe that's perfectly OK.