sentences:  Close inspection of their dioceses is urged on the bishops, as a remedy against the spread of heresy; testaments are declared invalid unless made in the presence of the parish priest.This measure, met with in other councils, was meant to prevent testamentary dispositions in favour of known heretics.In 1251, Jean, Archbishop of Arles, held a council near Avignon ("Concilium Insculanum"), among whose thirteen canons is one providing that the sponsor at baptism is bound to give only the white robe in which the infant is baptized.