guess add three line as:
+^http://cnx.org/lenses/ccotp/endorsements/atom +^http://ocw.nd.edu/courselist/rss +^http://openlearn.open.ac.uk/file.php/1/learningspace.xml
guess add three line as:
+^http://cnx.org/lenses/ccotp/endorsements/atom +^http://ocw.nd.edu/courselist/rss +^http://openlearn.open.ac.uk/file.php/1/learningspace.xml