If you go into your developer page and click on the app settings you can edit permissions the app requests. If you click in the User & Friend Permissions field and start typing email, you can tell your app to request email permissions. If you then click on the "Preview Login Dialogue" you will see it asks for exactly what you linked to.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…