warning: unresolved link to `m`
  --> $DIR/disambiguator-macro-endswith-exclamatory.rs:3:6
   |
LL | //! [macro@m!]
   |      ^^^^^^^^ no item named `m` in scope
   |
   = note: `macro_rules` named `m` exists in this crate, but it is not in scope at this link's location
   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default

warning: 1 warning emitted