{"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"assert_pns_eq_sub!(\"%-*.*s\","}]}
    assert_pns_eq_sub!("%-*.*s",
        { None, "-", Some(N::Num(10)), Some(N::Next), None, "s", (0, 7), });
        { None, "-", Some(N::Next), Some(N::Next), None, "s", (0, 6), });