! Note - the following two are illegal single-key sequences, and will be 
! ignored by server or Xlib.
compose AnyModifier keysyms Multi_key = 100
keycode 100 = nobreakspace
!this next entry causes the previous one to be removed due to conflict
compose Control Mod1 keysyms Multi_key = 101
keycode 101 = exclamdown
compose keysyms Multi_key F1 = keysym A

!invalid cases:
!compose keysyms Multi_key = keycode 101
!compose keycode Multi_key = 101
! as above, but with a keysym not in mapping table:

!more valid cases (covered by std X11 keybaord support?)
!hex compose with initiator qualified by control key
!decimal, octal, binary compose
