When the fresco was completed , how did the Council of Trent change its decrees ?
But the number of such decorative treatments of religious subjects declined sharply , as did " unbecomingly or confusedly arranged " Mannerist pieces , as a number of books , notably by the Flemish theologian Molanus , Saint Charles Borromeo and Cardinal Gabriele Paleotti , and instructions by local bishops , amplified the decrees , often going into minute detail on what was acceptable .