{"ast_node_type":"other","tokens":[{"end":30,"kind":"keyword","start":0,"text":"assert_pns_eq_sub!(\"%1$d\","}]}
    assert_pns_eq_sub!("%1$d",
        { None, "-", Some(N::Num(10)), Some(N::Num(10)), None, "s", (0, 8), });
        { Some(1), "", None, None, None, "d", (0, 4), });