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[Fwd: STD 68, RFC 5234 on Augmented BNF for Syntax Specifications: ABNF]

2008-02-04 13:56:18

FYI.

(Sorry for the cross-posting, but I can't think of a single-best list to post 
to.)


-------- Original Message --------
Subject: STD 68, RFC 5234 on Augmented BNF for Syntax Specifications: ABNF
Date: Thu, 31 Jan 2008 17:24:14 -0800 (PST)
From: rfc-editor(_at_)rfc-editor(_dot_)org
To: ietf-announce(_at_)ietf(_dot_)org, rfc-dist(_at_)rfc-editor(_dot_)org
CC: rfc-editor(_at_)rfc-editor(_dot_)org


A new Request for Comments is now available in online RFC libraries.

        STD 68
        RFC 5234

        Title:      Augmented BNF for Syntax Specifications:
                    ABNF
        Author:     D. Crocker, Ed.,
                    P. Overell
        Status:     Standards Track
        Date:       January 2008
        Mailbox:    dcrocker(_at_)bbiw(_dot_)net,
                    paul(_dot_)overell(_at_)thus(_dot_)net
        Pages:      16
        Characters: 26359
        Obsoletes:  RFC4234
        See Also:   STD0068

        I-D Tag:    draft-crocker-rfc4234bis-01.txt

        URL:        http://www.rfc-editor.org/rfc/rfc5234.txt

Internet technical specifications often need to define a formal
syntax.  Over the years, a modified version of Backus-Naur Form
(BNF), called Augmented BNF (ABNF), has been popular among many
Internet specifications.  The current specification documents ABNF.
It balances compactness and simplicity with reasonable
representational power.  The differences between standard BNF and
ABNF involve naming rules, repetition, alternatives,
order-independence, and value ranges.  This specification also
supplies additional rule definitions and encoding for a core lexical
analyzer of the type common to several Internet specifications.
[STANDARDS TRACK]

This is now a Standard Protocol.

--

  Dave Crocker
  Brandenburg InternetWorking
  bbiw.net

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