"It is certainly true that the court has power to award maintenance pending suit, even where the jurisdiction of the court to pronounce a decree has been challenged."
"... I take the view ... that, where the jurisdiction to pronounce a decree is in dispute, the court should act very cautiously indeed. The court is entitled, in my view, to have regard to the strength or otherwise of the claim that the court has jurisdiction, and the more uncertain the court is on a provisional basis that the court does have jurisdiction, the more cautious it should be."