the medieval egyptian historian ibn abd al-hakam (d. 971) relates that abd al-aziz had a different copy of the qur'an produced from the version of al-hajjaj which was sent to him. the baghdad-based writer abu ubayd allah al-marzubani (d. 995) praised abd al-aziz for promoting the arabic language; having caused misunderstandings by his own erroneous pronunciation of arabic, abd al-aziz endeavored to learn the correct pronunciation and later made gifts to his petitioners dependent on their mastery of the arabic language.