ALAWIYE v. AGYEKUM Practice and procedure—Pleadings—Grounds of appeal—Particulars of—Particulars required only of ground alleging misdirection or error in law —Otherwise ground to be set out concisely without "argument or narrative"—Ground alleging "trial magistrate failed to exercise discretion judicially"—Whether ground valid—High Court Civil Procedure) Rules, 1954 (LN 140A), Order 58, r 1 (2)—(4).