TODO

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

* double-height support

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

* add a simple way to do multiplexing

drawing
-------
* add diacritics support to xdraws()
	* switch to a suckless font drawing library
* make the font cache simpler
* add better support for brightening of the upper colors

bugs
----

* fix shift up/down (shift selection in emacs)
* remove DEC test sequence when appropriate

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