Re: Use of LWSP in ABNF -- consensus call
Keith Moore <moore@cs.utk.edu> Sat, 22 September 2007 16:53 UTC
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Date: Sat, 22 Sep 2007 12:51:46 -0400
From: Keith Moore <moore@cs.utk.edu>
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To: Dave Crocker <dcrocker@bbiw.net>
Subject: Re: Use of LWSP in ABNF -- consensus call
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Cc: Apps Discuss <discuss@apps.ietf.org>, Paul Overell <paul.overell@thus.net>
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the proposed change seems reasonable to me. Keith > On 5/14/2007 Lisa Dusseault wrote: > >> The IESG reviewed >> <http://www.ietf.org/internet-drafts/draft-crocker-rfc4234bis-00.txt> >> for publication as Internet Standard and would like to know if there >> is consensus to recommend against the use of LWSP in future >> specifications, as it has caused problems recently in DKIM and could >> cause problems in other places. >> >> Some discussion on this point already: >> - http://www1.ietf.org/mail-archive/web/ietf/current/msg46048.html >> - http://www1.ietf.org/mail-archive/web/discuss/current/msg00463.html >> - http://mipassoc.org/pipermail/ietf-dkim/2007q1/007295.html >> - >> https://datatracker.ietf.org/public/pidtracker.cgi?command=view_comment&id=66440 >> (in this tracker comment, Chris Newman recommended to remove LWSP, >> but for backward-compatibility it's probably better to keep it and >> recommend against use) > > > Folks, > > The current situation with elevating the ABNF document to full > Internet Standard is that Lisa has a Discuss hold on it, on behalf of > an IESG view that a warning note should be attached. > > Acting as an individual contributor, Chris Newman has offered the > following change to the document, as a possible means of resolving > things: > > >> OLD: >> LWSP = *(WSP / CRLF WSP) >> ; linear white space (past newline) >> NEW: >> LWSP = *(WSP / CRLF WSP) >> ; Use of this linear-white-space rule permits >> ; lines containing only white space that are no >> ; longer legal in mail headers and have caused >> ; interoperability problems in other contexts. >> ; Do not use when defining mail headers and use >> ; with caution in other contexts. > > > The nature of the IETF process is such that there are no guarantees > for what will resolve a Discuss, but the signs are good that a > consensus on this list, for a note of this type, will suffice. > > The premise is that the discussion on this list, last May, had > consensus to retain the LWSP construct and consensus to add a > warning. The text that Chris is suggesting seems to accomplish this. > > In spite of saying "Do not use", the comment is non-normative, in > formal IETF specification terms. Yet it does seem to adequately > describe the problem and the way to deal with it. > > > > So, I'm going to ask for a consensus call on this > modification, where the assumption is that the text > is acceptable. > > All that is needed is for folk who *object* to speak up > and state their reasons. > > If there is consensus *against* this change, we'll have to > try something else. > > Absent a consensus *against* the wording change, we will > propose it to Lisa and see if that resolves her Discuss. > > This consensus call closes on Sunday, 30 September. > > > Thanks. > > d/
- Use of LWSP in ABNF -- consensus call Lisa Dusseault
- Re: Use of LWSP in ABNF -- consensus call Julian Reschke
- Re: Use of LWSP in ABNF -- consensus call Frank Ellermann
- Re: Use of LWSP in ABNF -- consensus call Lisa Dusseault
- Re: Use of LWSP in ABNF -- consensus call Paul Hoffman
- Re: Use of LWSP in ABNF -- consensus call Tony Hansen
- Re: Use of LWSP in ABNF -- consensus call Tony Finch
- Re: Use of LWSP in ABNF -- consensus call Clive D.W. Feather
- Re: Use of LWSP in ABNF -- consensus call Keith Moore
- Re: Use of LWSP in ABNF -- consensus call Harald Alvestrand
- Re: Use of LWSP in ABNF -- consensus call Frank Ellermann
- Re: Use of LWSP in ABNF -- consensus call Ned Freed
- Re: Use of LWSP in ABNF -- consensus call John C Klensin
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Tony Finch
- Re: Use of LWSP in ABNF -- consensus call Dave Crocker
- Re: Use of LWSP in ABNF -- consensus call Eric Allman
- Re: Use of LWSP in ABNF -- consensus call Philip Guenther
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Dave Crocker
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Dave Crocker
- Re: Use of LWSP in ABNF -- consensus call Douglas Otis
- Re: Use of LWSP in ABNF -- consensus call Alexey Melnikov
- RE: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Bill.Oxley
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… John C Klensin
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… John C Klensin
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Tony Finch
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… John C Klensin
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Harald Tveit Alvestrand
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Dave Crocker
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… todd glassey
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Sam Hartman
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Sam Hartman
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Dave Crocker
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Tony Finch
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… John C Klensin
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Keith Moore
- Re: Use of LWSP in ABNF -- consensus call Frank Ellermann
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Tony Finch
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Sam Hartman
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Sam Hartman
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… John C Klensin
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Tony Finch
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Sam Hartman
- Re: Use of LWSP in ABNF -- consensus call Lisa Dusseault
- Re: [ietf-dkim] Re: Use of LWSP in ABNF -- consen… Clive D.W. Feather
- Re: Use of LWSP in ABNF -- consensus call Lisa Dusseault
- Re: Use of LWSP in ABNF -- consensus call Dave Crocker
- Re: Use of LWSP in ABNF -- consensus call Keith Moore
- Re: Use of LWSP in ABNF -- consensus call Frank Ellermann
- Re: Use of LWSP in ABNF -- consensus call John C Klensin
- Re: Use of LWSP in ABNF -- consensus call Alexey Melnikov
- Re: Use of LWSP in ABNF -- consensus call Clive D.W. Feather
- Re: Use of LWSP in ABNF -- consensus call Dave Crocker