Why doesn't join() call str() on its arguments?

[news.sydney.pipenetworks.com]

Jeremy Bowers wrote:

> By the way, just to be clear, my infinitesimal's dad can beat up your
> infinitesimal's dad any day of the week.

Ouch....it's getting personal :-). Your dad may be infinitesimal but my 
dad is a complex number (I'm not joking, he really has a real and 
imaginary part).

> (Looks like the Zen mood has passed...)

:-)

Huy