In message <20050519104733.6d7853a8.darcy@NetBSD.org>, "D'Arcy J.M. Cain" write
s:
>On Thu, 19 May 2005 16:17:59 +0200 (CEST)
>Hubert Feyrer <hubert@feyrer.de> wrote:
>> - * TCP input routine, follows pages 65-76 of the
>> - * protocol specification dated September, 1981 very closely.
>> + * TCP input routine, follows pages 65-76 of RFC 793 very closely.
>
>Is it an absolute that the pages are always the same no matter what the
>source of the RFC?
>

Yes -- RFCs, once published, are considered immutable.

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb