1980); Bowman v. Rutledge, 369 So.2d 768 (Miss. 1979); State v. Richardson, 350 So.2d 59 (Miss. 1977), (dismissing appeal from such an order on our own for lack of appellate jurisdiction); Byrd v. Sinclair Oil Refining Co., 240 So.2d 623 (1970). If Rule 5(a) of the Rules of the Mississippi Supreme Court authorizes this appeal, then the rule is meaningless as any brake on interlocutory appeals.