{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"_"}]}
            _ if loop_buf.starts_with(CMT_S) => {
        let res: ParseResult<'_> = match (top_blk, prev) {
                parse_simple_pat(loop_buf, CMT_S, CMT_E, Po::TrimNoEsc, MdTree::Comment)