/// Always make sure to implement [`req`], but you don't have to implement [`prov`].
///
/// [`req`]: Foo::req
/// [`prov`]: Foo::prov
pub trait Foo {
/// Required
fn req();
/// Provided
fn prov() {}
}
req will link to #tymethod.req, which is exists, but prov will also link to #tymethod.prov, which doesn't exist. The correct link is #method.prov.
Ref #43466