This entire tree is "some highly unsupported crackrock", though we are
cleaning it as fast as possible and aiming for a 1.0 release "next year".
Please contact people listed in filed MAINTAINERS if you intend to hack
on it, especially if you want to commit stuff.

This is the most useful resource in understanding various internal states
as well as control sequences:

	http://invisible-island.net/xterm/ctlseqs/ctlseqs.html

And to understand termcap, terminfo, etc, "man 5 terminfo" is a great start.