RE: Late comments on the msgtrk documents

gregv> Why would ACE not cause this same problem with other uses of envid?  It
gregv> seems that this is a more general problem.   If we need to grow the
gregv> envelope-iD for ACE, we should enlarge it in the DSN specs as well.  

Envelope-ID pre-message track was immune to IDN as it didn't include a
domain name.  Actually, it doesn't in message track either, it's just
suggested that it can be made unique by adding an FQDN.  However, other
things in DSNs (and the protocol) will need to change if IDN gives us
longer hostnames.

gregv> Lurkin' for too long.

Welcome to the madness.