//! ASCII Armor.
//!
//! This module deals with ASCII Armored data (see [RFC 4880, section 6]).
//!
//! [RFC 4880, section 6]: https://tools.ietf.org/html/rfc4880#section-6
//!
//! # Scope
//!
//! This implements a subset of the ASCII Armor specification. Not
//! supported multipart messages.