vt emulation
------------

* screen erased with background color ## capname:bce
* back tab                            ## capname:cbt ## seq:CSI Z
* ...

code & interface
----------------

* clean selection code
* clean and complete terminfo entry
* fast drawing
* ...

bugs
----

* handle XOpenMI() errors
* fix shift up/down (shift selection in emacs)

misc
----

    $ grep -nE 'XXX|TODO' st.c