Constrained ABNF
draft-seantek-constrained-abnf-02

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Last updated 2017-09-14 (latest revision 2017-03-13)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at
https://www.ietf.org/archive/id/draft-seantek-constrained-abnf-02.txt

Abstract

This document extends the base definition of ABNF (Augmented Backus- Naur Form) to express a rule that is constrained by another rule. If a rule B is constrained by rule A, then every production generated by rule B must also be generated by rule A. By creating subordinate production forms, ABNF-using specifications can formally denote the relationship between a general rule and specific subsets of that rule, while preserving ABNF's context-free nature.

Authors

Sean Leonard (dev+ietf@seantek.com)
Paul Kyzivat (pkyzivat@alum.mit.edu)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)