From Rorate Caeli:
Holy See Press Office
NOTICE TO JOURNALISTS: Publication of the Motu Proprio "SUMMORUM PONTIFICUM"
Journalists are informed that tomorrow, Saturday, July 7, 2007, the Apostolic Letter of His Holiness Benedict XVI "given Motu Proprio" SUMMORUM PONTIFICUM, on the use of the Roman Liturgy prior to the reform of 1970, will be made public.
The Document will be accompanied by an explanatory Letter of the Holy Father.
(Both texts will be available to journalists from 9.00 [Rome], under embargo until 12 [noon] of the same day.)
Waiting with joyful expectation...