Conversation so far:
what was the Turkish literature about?
Traditional examples for Turkish folk literature include stories of Karagöz and Hacivat, İncili Çavuş and Nasreddin Hoca, as well as the works of folk poets such as Yunus Emre. Keloğlan, İncili Çavuş and Nasreddin Hoca, as well as the works of folk poets such as Yunus Emre and Aşık Veysel.

Question: what was special about the poetry?
Self-contained rewrite: what was special about Ottoman Divan poetry?