Translate the following English sentence to French:
"Long discussions were held in the Commission when the proposal was drawn up as to whether a ban on discrimination on the grounds of religion should be included in this directive."
Au cours de l' élaboration de la proposition, s' est tenu, au sein de la Commission, un vaste débat sur la nécessité de maintenir, dans la directive en question, l' exclusion des discriminations d' ordre religieux.