Things to do                          Last Edit-Date: [Tue Sep  5 18:47:12 1995]
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- implement secondary DA request: ESC [ > c and/or ESC [ > 0 c

- implement user settable primary DA response and secondary DA response

- retrying for a non-connected keyboard in doreset() must be made cpu and
  speed independent. in case of a not connected keyboard, a fast machine
  runs doreset() fast and a slow machine runs doreset() slow - bad !!

- remove support for FreeBSD < 1.1.5.1 and NetBSD <= 0.9

- rewrite the whole thing ....