Note 181 — Book II. LETTERS TO RODOLPH.
Reading edition
The King had on a former occasion acted with great precipitation with regard to Alençon, entering his room at night, searching his bed for papers, and insisting on seeing a note which his brother with clasped hands implored him not to open. It turned out to be a billet-doux!—See Mémoires de Marguerite, 136-7.