How did palestrina's missa papae macellus conform to the council of Trent's requirement?

Palestrina's Missa Papae Marcellus adhered to the Council of Trent's requirements by featuring clear text setting, intelligible polyphony, and avoiding excessive ornamentation or complex musical gestures that could obscure the sacred text. The work aimed to enhance the clarity and solemnity of the liturgical text, reflecting the council's desire for music that would aid in the faithful's understanding and devotion during the Mass.