{"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"assert_pns_eq_sub!(\"%'d\","}]}
    assert_pns_eq_sub!("%'d",
        { None, "", None, None, Some("I64"), "u", (0, 5), });
        { None, "'", None, None, None, "d", (0, 3), });