common_element_start('channel', array('rdf:about' => $channel['url']));
common_element('title', NULL, $channel['title']);
common_element('link', NULL, $channel['link']);
common_element('description', NULL, $channel['description']);
common_element_start('channel', array('rdf:about' => $channel['url']));
common_element('title', NULL, $channel['title']);
common_element('link', NULL, $channel['link']);
common_element('description', NULL, $channel['description']);