self.feed is an dictionary with 13 initial entries, result of the function to_unicode called with an argument title for 'title',
self . feed = { 'title' : to_unicode ( title ) , 'link' : iri_to_uri ( link ) , 'description' : to_unicode ( description ) , 'language' : to_unicode ( language ) , 'author_email' : to_unicode ( author_email ) , 'author_name' : to_unicode ( author_name ) , 'author_link' : iri_to_uri ( author_link ) , 'subtitle' : to_unicode ( subtitle ) , 'categories' : categories or ( ) , 'feed_url' : iri_to_uri ( feed_url ) , 'feed_copyright' : to_unicode ( feed_copyright ) , 'id' : feed_guid or link , 'ttl' : ttl , }