TODO

   1 vt emulation
   2 ------------
   3
   4 * screen erased with background color ## capname:bce
   5 * back tab                            ## capname:cbt ## seq:CSI Z
   6 * ...
   7
   8 code & interface
   9 ----------------
  10
  11 * clean selection code
  12 * clean and complete terminfo entry
  13 * fix shift up/down (shift selection in emacs)
  14 * ...
  15
  16 misc
  17 ----
  18
  19     $ grep -nE 'XXX|TODO' st.c
  20