File: doctest-edition.rs

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// edition:2021

#![deny(rustdoc::invalid_rust_codeblocks)]
//~^ NOTE lint level is defined here

// By default, rustdoc should use the edition of the crate.
//! ```
//! foo'b'
//! ```
//~^^^ ERROR could not parse
//~| NOTE prefix `foo` is unknown

// Rustdoc should respect `edition2018` when highlighting syntax.
//! ```edition2018
//! foo'b'
//! ```