RE: This is not "this is not a date"

> ----------
> From: 	David W. Morris[SMTP:dwm@xpasc.com]
> Sent: 	Saturday, December 13, 1997 9:06 PM
> 
> I've not done enough homework to be sure this comment makes sense, but 
> it is reasonable for a document to expire, be revalidated and have a new
> expiration applied. If the proxy can't merge in a new expires header then
> either a new digest value or whole new copy of the entity would be
> required.
> 
Indeed, a proxy can not just "merge in" a new Expires header and have the
digest check. So your conclusion is true -- it needs to get at least a new
digest that corresponds to the changed Expires header value, and maybe a
whole new copy of the entity.

Paul