//! Tests for the `apply_patch` built-in: grammar ([`parse`]), the
//! matching ladder ([`seek`]), atomic application ([`apply`]), and the
//! stdio entry ([`run`]). Split per module to keep every file under the
//! repo's per-file line cap.
use parse;
/// Wrap a body in the envelope markers.
pub
/// Parse an envelope-wrapped body, asserting it parses.
pub