Fix the bug that sometimes displays the wrong background color,
rewrite GC handling


Check if ESC H is implemented, and if it is, implement ESC [ Ps g
where Ps is:
	0 [default] clear tab
	3 clear all tabs

Look into ESC [ ? 6 l not undoing ESC [ ? 6 h

Check underlines being too long:  off-by-one error in WriteText?
Check ntotal, ctotal write-only variables (?)

Define struct ws if solaris (test!).

Protect gravity with #ifndef WEIGHTLESS

Protect #include <Xosdefs.h> in ptyx.h (not in X11R4?)

Check if compose works on Solaris.

Option to disable Hilight tracking.  (Who uses this?)

Update man page.

Fix -rv

Make cursor warp more robust.

Make that part of spawn that only works with ws work with both ws and ts.

WTF is TekPrint()?

Misc fixes to meet ECMA standard.

Check out xfree86's xterm.

XtGetGC vs. XCreateGC
