^Habibuddin Ahmed , "The Writings of Amir Khusrau: 700 Years After the Prophet: A 13th-14th Century Legend of Indian-Sub-Continent", Islamic Thought and Science Institute, 2007. pg 36: "Falaki of Shirvan was a Persian poet contemporary to Khaqani. poet of the 12th century."
Contemporary Persian and Classical Persian are the same language, but writers since 1900 are classified as contemporary. At one time, Persian was a common cultural language of much of the non-Arabic Islamic world. Today it is the official language of Iran, Tajikistan and one of the two official languages of Afghanistan.
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