תּלמוד אויף אסתר 1:20

R.Papa said: “And the king’s pitgam shall be published” (Esther 1:20); R. Nahman b. Isaac said: “And all the wives shall give yekar to their husbands” (Esther 1:20).

Rather there is no contradiction; the one statement [in the baraita] refers to the Megillah, the other to the other books [of the Scripture]. What is the reason in the case of the Megillah? — Because it is written in regard to it, “According to their writing and according to their language” (Esther 1:20). What case of Aramaic being written in Hebrew is possible here?