Plaintiffs’ motion to file petition for certiorari granted without prejudice to right of defendants to renew objection thereto at hearing on the merits, writ to issue forthwith.

Defendants’ motion to dismiss appeal denied without prejudice.

Petition of Michael P. Metcalf and Helen D. Buchanan for leave to file briefs and to argue as amicus curiae granted, briefs to be filed in accordance with rules of court.