Highlight Deprecated

#![deprecated]
use crate as _;
extern crate bar;
#[deprecated]
macro_rules! macro_ {
    () => {};
}
#[deprecated]
mod mod_ {}
#[deprecated]
fn func() {}
#[deprecated]
struct Struct {
    #[deprecated]
    field: u32
}
#[deprecated]
enum Enum {
    #[deprecated]
    Variant
}
#[deprecated]
const CONST: () = ();
#[deprecated]
trait Trait {}
#[deprecated]
type Alias = ();
#[deprecated]
static STATIC: () = ();