Success! Final stack:
 • `scheme
 • [(Lean.Doc.Syntax.named_no_paren
      `dialect
      ":="
      (Lean.Doc.Syntax.arg_str
       (str "\"chicken\"")))
     (Lean.Doc.Syntax.anon
      (Lean.Doc.Syntax.arg_num (num "43")))]

All input consumed.