nom-based parser for ABNF core rules - Rust source code

 The abnf-core crate is a parser for ABNF core rules
 based on nom 7.
 It is primarily a building block for the ABNF parsing crate,
 but should also be useful in itself.
 .
 This package contains the source for the Rust abnf-core crate,
 for use with cargo and dh-cargo.