[OTR-dev] session termination

[Bryan L. Fordham]

> I also note that most IM networks, I'm pretty sure, don't tell Alice
> when Bob goes offline if Bob isn't Alice's buddy, but I don't know how
> often people chat with non-buddies in practice.
>   
Another scenario: my brother uses an IM service that allows him to 
appear offline. We chat all the time, but to me he's always offline. I'm 
not sure how you'd handle a situation like that.