RE: [xri] comments on Expires

Will Norris wrote on 2010-01-13:
> Well I think that's actually the question.  Is it enough to say that a
> document is "no longer valid" after the date indicated in <Expires>?
Scott
> seems to think so, and I'm inclined to agree.

I think it's enough, but you could also say "SHOULD NOT rely on" or
something similar and that would also be fine. I was pushing back on saying
what you SHOULD do as a result.

-- Scott