bug#47431: Process Whois connection broken by remote peer.

[Gregory Heytings]

> > > > So I think whois.el should be rewritten to do the two step query (and 
> > > > be asynchronous, which should be pretty trivial).
> > >
> > > Okay, I'll do that.
> >
> > Gregory, did you get any further here?
>
> If you didn't get any further here, I can take a whack at implementing 
> this.

Actually, I did, but I took some side roads in the meantime, and it's 
unlikely that I will have enough time to finish this before you, you're 
too fast for me 😉  So please go ahead.