Re: 14.9.4 proxy-revalidate

> The proxy-revalidate directive has the same meaning as the
> must-revalidate directive, except that it does not apply to non-shared
> user-agent caches.  It can be used on a response to an authenticated
> request to permit the user's cache to store and later return the
> response without needing to revalidate it (since it  has already been
> authenticated once by that user) , while still requiring proxies that
> service many users to revalidate each time (in order to make sure that
> each user has been authenticated). Note that such authenticated
> responses also need the Cache-Control: public directive in order to
> allow them to be cached at all.

Since proxy-revalidate says it "has the same meaning as" must-revalidate,
then it should be listed in 13.4 as modifying cachability, and the last
sentence above should be removed.

Aha, so that's where those spaces before commas come from ...  ;-)

......Roy