Autobaud modems -vs- SunOS 4.0.3

[Guy Harris]

>I have not tried the "ab" parameter in gettytab.  The lines in /etc/gettytab
>	# Auto-baud speed detect entry for Micom 600.
>	A|Auto-baud:ab:sp#2400:f0#040:
>sort of imply that "ab" works only for Micom modems.

However, I got it to work on a directly-connected terminal at Sun.  The
comment comes from 4.3BSD, so you'd have to ask the Berkeley folks what
it's doing there.