sentences:  Duval was one of the cardinal electors who participated in the conclaves of August and October 1978, which selected Popes John Paul I and John Paul II respectively.He occupied Room 86 at the cardinal electors' residence for the August 1978 conclave, sharing a shower with Leo Suenens, Raúl Silva Henríquez, and Juan Ricketts.Following the public murder of his auxiliary bishop, Gaston Marie Jacquier, in 1976, Duval ordered his priests in the Archdiocese of Algiers not to wear the religious habit in public or to display the cross conspicuously.