{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"assert_pns_eq_sub!(\"$1\","}]}
    assert_pns_eq_sub!("$1", Ordinal(1, (0, 2)));
    assert_pns_eq_sub!("$0", Ordinal(0, (0, 2)));
    assert_pns_eq_sub!("$9", Ordinal(9, (0, 2)));