Bug report--window driver 3.51 bogosity during window switch

[Richard Foulk]

} Perhaps it should be considered a bug in the Unix PC's system() function,
} since SIGWIND is a legitimate process-group-type signal that might occur,
} but system() only takes care of SIGINT and SIGQUIT.

The system(3) library function wasn't ever intended to cover all
eventualities.  It was meant to be small and simple.  Most fair-sized
screen-oriented programs I've seen use their own version of it.

There are just too many details that are dependant on the programs
approach to signal handling, process control, etc.

Richard