{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"///"}]}
        /// Checks whether the non-terminal may contain a single (non-keyword) identifier.
    pub fn nonterminal_may_begin_with(kind: NonterminalKind, token: &Token) -> bool {
        fn may_be_ident(kind: MetaVarKind) -> bool {