4 * double-height support
9 * add a simple way to do multiplexing
13 * add diacritics support to xdraws()
14 * make the font cache simpler
15 * add better support for brightening of the upper colors
20 * fix shift up/down (shift selection in emacs)
22 * remove DEC test sequence when appropriate
27 $ grep -nE 'XXX|TODO' st.c