From: Henry Spencer (henry@spsystems.net)
Date: Wed Sep 18 2002 - 21:08:06 CDT
On Wed, 18 Sep 2002, Bruce Lilly wrote:
> > Since those are the ones that occur in RFC 2822 (except Supersedes, which
> > is really a news header that mail has "borrowed").
>
> Supersedes was officially defined in RFC 2156, January 1998, as a
> modification of "Obsoletes" used in RFC 1327 (May 1992). There is
> no mention of news in 2156, and there is no definition of
> Supersedes in RFC 1036. What is the source of your claim?
Supersedes was implemented and in widespread use in news long before the
email people picked it up. They are known to have gotten the idea from
news.
> > BTW, can someone tell me whether "References" is an email header that was
> > adopted by news, or a news header that was adopted by email. Whichever, it
> > must have been a long time ago.
>
> References is in 822, which 1036 uses as the baseline message format.
References definitely came from email, although we use it in a slightly
different way from what 822 envisioned. (It's supposed to be related
messages, not predecessors; In-Reply-To is for precedessors).
Henry Spencer
henry@spsystems.net