"Pope Benedict XVI has apologised in person for causing offence to Muslims in a speech in Bavaria last week.
He said the medieval text which he quoted did not express in any way his personal opinion, adding the speech was an invitation to respectful dialogue.
The Pope has been under intense scrutiny amid angry reactions from throughout the Muslim world.
The 14th Century Christian emperor's quote said the Prophet Muhammad brought the world only evil and inhuman things."
http://news.bbc.co.uk/1/hi/world/europe/5353208.stm