{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"sess.dcx().emit_err(errors::InvalidFragmentSpecifier"}]}
                sess.dcx().emit_err(errors::InvalidFragmentSpecifier {
            let kind = NonterminalKind::from_symbol(fragment.name, edition).unwrap_or_else(|| {
                    span,