507 N.W.2d 626 NANCY HOCH, APPELLANT AND CROSS-APPELLEE, v. ROBERT J. PROKOP, APPELLEE AND CROSS-APPELLANT. No. S-91-221.Supreme Court of Nebraska. Filed November 5, 1993. 1. Appeal and Error. While an appellate court ordinarily considers only those errors assigned and discussed in the briefs, the appellate court may, at its option, notice plain error. 2. ___. […]