Allow? No!
Encourage - yes!
I think that we should never be dogmatic. In some unusual circumstances it
might be usefull to vary things. I don't think we should be dogmatic.
This is why I disagree with Tim over the news: url. I think it should be
permissable to incorporate the server into the URL. news://dxcern/. Not
because thats a good thing to do in general but 0.1% of the time it might
be very useful indeed.
Phill