Re: pragma no-cache -- Can we make it more useful?

Daniel W. Connolly (
Wed, 13 Jul 1994 13:07:03 -0500


In message <>, Chris Lilley, Computer Graphics Unit writes:
>> For example, the client might want to say, in effect, "give me the
>> document referenced by this URL. I am willing to accept a copy that
>> might be 2 hours old."

Well said... In fact, I've said it myself a few times!

>My comments above notwithstanding, this may be useful (but not in the context of
>pragma nocache). BUT, how would you specify this at the user interface level? It
>will change from document to document, so would have to be set by the user. For
>example, a copy of Shakespears sonnets that is 1 year old is likely to be fine,
>wheras a video grab of a coffe pot that is 5 minutes old might be worthless ;-)

Allow authors to put it in the link. I've been suggesting this for years.

Please see:

Content-Description: A Formalism for Internet Information References
Content-Type: message/external-body; access-type="x-url";

Content-Type: text/html