{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"assert_pns_eq_sub!(\"%2$.*3$d\","}]}
    assert_pns_eq_sub!("%2$.*3$d",
        { Some(1), "", None, None, None, "d", (0, 4), });
        { Some(2), "", None, Some(N::Arg(3)), None, "d", (0, 8), });