In message <Pine.WNT.4.43.0203081257440.1200-100000@todd>, Todd Vierling writes
:
>to detect if a mouse was unplugged and replugged mid-event (so that it can
>recover from a partially-read event, rather than reading all events offset
>by N bytes -- which can cause pretty obvious problems).

That was one of the other benefits I was expecting.  :)

-s