[usefor] Issue with ABNF grammar in RFC 5536
Julien ÉLIE <julien@trigofacile.com> Mon, 03 July 2017 20:23 UTC
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From: Julien ÉLIE <julien@trigofacile.com>
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Subject: [usefor] Issue with ABNF grammar in RFC 5536
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Hi all, Paul Kyzivat noticed in the IETF Gen-ART mailing-list https://www.ietf.org/mail-archive/web/gen-art/current/msg14921.html that there is an issue in the ABNF of RFC 5536 (USEFOR). RFC 5536 defines the following extension: fields =/ *( approved / archive / control / distribution / expires / followup-to / injection-date / injection-info / lines / newsgroups / organization / path / summary / supersedes / user-agent / xref ) to the following element in RFC 5322: fields = *(trace *optional-field / *(resent-date / resent-from / resent-sender / resent-to / resent-cc / resent-bcc / resent-msg-id)) *(orig-date / from / sender / reply-to / to / cc / bcc / message-id / in-reply-to / references / subject / comments / keywords / optional-field) and a message is defined this way: message = (fields / obs-fields) [CRLF body] It appears that the extension done in RFC 5536 is wrong because of how "fields" is constructed in RFC 5322; as a matter of fact, (*a *b) in RFC 5322 is extended to (*a *b) / *c in RFC 5536 whereas (*a *b *c) was wanted. I believe an erratum should be filled to RFC 5536. Maybe by just changing the wording in Section 3: The following news header fields extend those defined in Section 3.6 of [RFC5322]: fields =/ *( approved / archive / control / distribution / expires / followup-to / injection-date / injection-info / lines / newsgroups / organization / path / summary / supersedes / user-agent / xref ) to: The following news header fields are defined by this document: news-fields = approved / archive / control / distribution / expires / followup-to / injection-date / injection-info / lines / newsgroups / organization / path / summary / supersedes / user-agent / xref The definition of message in Section 3.5 of [RFC5322] is changed to: message = *(fields / obs-fields / news-fields) [CRLF body] Any better idea of fix in RFC 5536? -- Julien ÉLIE « You know what I did before I married? Anything I wanted to. »
- [usefor] Issue with ABNF grammar in RFC 5536 Julien ÉLIE
- Re: [usefor] Issue with ABNF grammar in RFC 5536 Michael Bäuerle
- Re: [usefor] Issue with ABNF grammar in RFC 5536 Julien ÉLIE
- Re: [usefor] Issue with ABNF grammar in RFC 5536 Michael Bäuerle