{"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"assert_pns_eq_sub!(\"%lu\","}]}
    assert_pns_eq_sub!("%lu",
        { None, "0", Some(N::Num(8)), None, None, "X", (0, 4), });
        { None, "", None, None, Some("l"), "u", (0, 3), });