> > Ergo a prudent design should strap the control lines to allow 
> > for crummy drivers or limited UARTs.

<Wouter van Ooijen describes a prudent RS-232 design>
> And it should compensate for using a cross cable instead of a straight
> one, it should provide both DB9 and DB25 connectors (both male and
> female, + the RJ connectors that were used by Digital), it should
> tolerate non-inverted signals, TTL level signals (both 5V and 3V), and
> of course all other current and future user errors and design follies.
> But it might require a certain phase of the moon to do so, and waving of
> a certain dead sea creature.

Suit yourself.

Aza D. Oberman 
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