PARIS — The stories of the Holocaust have been documented, distorted, clarified and filtered through memory. Yet new stories keep coming, occasionally altering the grand, incomplete mosaic of Holocaust history.

One of them, dramatized in a French film released here last week, focuses on an unlikely savior of Jews during the Nazi occupation of France: the rector of a Paris mosque.

Muslims, it seems, rescued Jews from the Nazis.

“Les Hommes Libres” (“Free Men”) is a tale of courage not found in French textbooks. According to the story, Si Kaddour Benghabrit, the founder and rector of the Grand Mosque of Paris, provided refuge and certificates of Muslim identity to a small number of Jews to allow them to evade arrest and deportation....