>
> I would like members of the web browsing public to be able to register
> on my Trac site via a web form, respond to a confirmation email, and
> thereafter have a login which enables them to edit wiki pages and
> submit tickets.
http://trac-hacks.org/wiki/AccountManagerPlugin comes closest to what
you've described. The only function that it misses is sending confirmation
e-mails that the user has to react to.
Bye, Mike