FallFringe offers variety of works in progress and honed reprises

"Pay attention!" You won't hear that instruction when you take your seat for Mickle Maher's play "There Is a Happiness That Morning Is," running as part of FallFringe. Still, you'd be advised to keep your powers of concentration in gear for this erudite and talky comedy, whose professor characters confess, rant and rhapsodize in rhyming verse.