{"ast_node_type":"other","tokens":[{"end":31,"kind":"keyword","start":0,"text":"assert_pns_eq_sub!(\"%-8ld\","}]}
    assert_pns_eq_sub!("%-8ld",
        { Some(1), "", Some(N::Arg(2)), Some(N::Arg(3)), None, "d", (0, 11), });
        { None, "-", Some(N::Num(8)), None, Some("l"), "d", (0, 5), });