Writing in Arabic script was a dangerous declaration of Islamic loyalty for crypto-Muslims

Evidence

The new mode of writing, once it had emerged, became for them an important way of asserting their Islamic identity. Choosing to employ Arabic and not Latin characters was a declaration of loyalty, and a courageous one, for during much of our period the crypto-Muslim might expect trouble if it could be shown that he possessed texts written in Arabic characters. — L. P. Harvey, Muslims in Spain, 1500 to 1614, 619

Categorization

• QUESTION: How was Arabic-character writing policed — who inspected texts, and how often did possession of such manuscripts get people punished?