> Folks should be aware of the if-match headers & entity tag things that > got added to HTTP/1.1; while these were instituted primarily to deal > with caching of negotiated content, they're also useful and important > for version management, I think. Larry, thanks for pointing this out. I've been thinking a lot about the "variant" language in the HTTP spec and how it might interact with the WEBVERS-WG concerns. - David