Section 18 Effect of appeals under this Act.

Such appeal shall be effectual to submit to the review of the Lord Ordinary the whole orders, findings, interlocutors, judgments, or decrees pronounced by the sheriff in the cause, in so far as not final as herein-before provided, not only at the instance of the appellant, but also at the instance of every other party appearing in the appeal, to the effect of enabling the Lord Ordinary to do complete justice without the necessity of any counter appeal; and an appellant shall not be at liberty to withdraw or abandon an appeal without leave of the Lord Ordinary; and an appeal may be insisted in by any party in the cause other than the appellant, in the same manner and to the like effect as if it had been taken by himself.