- Enable window grouping (whatever it is :-)
- Add XGrapKeyboard in the beginning of program to eleminate garbage during
    program startup if somebody too impatient to use keyboard.
- Add eventfile (or some other name) record to include generation of XEvent
    according to KeySyms (compare to ordinary KeyPress event).
- Add possibility for multiple xmmfile records per coding record if somebody
    will tell us what it can be used for.
