Original sentence: Ghiyās od-Dīn Abul-Fatah Omār ibn Ibrāhīm Khayyām Nishābūrī (Persian: غیاث الدین ابو الفتح عمر بن ابراهیم خیام نیشابوری) or Omar Khayyam (Nishapur, Persia,  May 18, 1048 – December 4, 1131) was a Persian poet,
Edited sentence: Ghiyās od-Dīn Abul-Fatah Omār ibn Ibrāhīm Khayyām Nishābūrī (Persian: غیاث الدین ابو الفتح عمر بن ابراهیم خیام نیشابوری) or Omar Khayyam (Nishapur, Persia,  May 18, 1048 – December 4, 1131) was a Persian/Tajik poet,