Received: from localhost by CS.UTK.EDU with SMTP (cf v2.9s-UTK) id EAA24861; Thu, 27 Jul 1995 04:56:27 -0400 X-Resent-To: drums@CS.UTK.EDU ; Thu, 27 Jul 1995 04:56:25 EDT Errors-to: owner-drums@CS.UTK.EDU Received: from vall.dsv.su.se by CS.UTK.EDU with ESMTP (cf v2.9s-UTK) id EAA24854; Thu, 27 Jul 1995 04:56:23 -0400 Received: from ester.dsv.su.se (ester.dsv.su.se [130.237.161.10]) by vall.dsv.su.se (8.6.10/8.6.9) with SMTP id KAA10696 for ; Thu, 27 Jul 1995 10:56:19 +0200 Received: by ester.dsv.su.se (4.1/SMI-4.1) id AA10184; Thu, 27 Jul 95 10:56:18 +0200 Date: Thu, 27 Jul 1995 10:56:17 +0200 (MET DST) From: Jacob Palme X-Sender: jpalme@ester To: ietf-drums Subject: Format of In-Reply-To and References Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII These two header fields have the following syntax in RFC 822: / "In-Reply-To" ":" *(phrase / msg-id) / "References" ":" *(phrase / msg-id) I suggest that a text is added to the description of these two fields with the following text: Even though "In-Reply-To" and "References" syntactically may contain either a "phrase" or a "msg-id", the use of "phrase" is strongly depreciated. Rationale: Since "phrase" does not allow secure correlation of sequences of messages referring to each other. ------------------------------------------------------------------------ Jacob Palme (Stockholm University and KTH) for more info see URL: http://www.dsv.su.se/~jpalme