{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"match"}]}
            match grammar.edition_dependent_keywords.iter().find(|(ed_kw, _)| ed_kw == kw_s) {
            let kw = fmt_kw_as_variant(kw_s);
                Some((_, ed)) => quote! { #kw if edition < #ed },