Nothing; no proceeding; an act or proceedlng in a canse whlch the op-poslte party may treat as though lt had not taken place, or whlch has absolutely no legal force or effect Salter v. Hilgen, 40 wis. 363; Jenness v. Lapeer County Circuit Judge, 42 Mich. 469, 4 N. W. 220; Johnson v. Hines, 61 Md. 122