{"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"assert_pns_eq_sub!(\"%*s\","}]}
    assert_pns_eq_sub!("%*s",
        { None, "-", Some(N::Num(10)), None, None, "s", (0, 5), });
        { None, "", Some(N::Next), None, None, "s", (0, 3), });