src/tools/rustfmt/tests/source/issue-2520.rs

// rustfmt-normalize_comments: true
// rustfmt-format_code_in_doc_comments: true

//! ```rust
//! println!( "hello, world" );
//! ```

#![deny( missing_docs )]

//! ```rust
//! println!("hello, world");

#![deny( missing_docs )]