rss in zope

<?xml version="1.0" encoding="ISO-8859-1"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"         xmlns:dc="http://purl.org/dc/elements/1.1/"         xmlns="http://purl.org/rss/1.0/"         xmlns:tal="http://xml.zope.org/namespaces/tal"><channel rdf:about="http://www.bartendavid.be/nieuws.rdf"> <title>BD.be Nieuws</title> <link>http://www.bartendavid.be/</link> <language>nl</language> <description>Linux/Technologie Nieuws</description> <items> <rdf:Seq> <tal:sort tal:define="sort_on python:(('bobobase_modification_time', 'cmp', 'desc'), ('title', 'nocase', 'asc'))"> <tal:list tal:define="bdnewsposts_list python:container.nieuws.posts.objectValues(['File']); bdnewsposts python:sequence.sort(bdnewsposts_list, sort_on)[:10]"> <tal:loop tal:repeat="bdnewspost bdnewsposts"> <rdf:li tal:attributes="rdf:resource bdnewspost/url"/> </tal:loop> </tal:list> </tal:sort> </rdf:Seq> </items></channel><tal:sort tal:define="sort_on python:(('bobobase_modification_time', 'cmp', 'desc'), ('title', 'nocase', 'asc'))"><tal:list tal:define="bdnewsposts_list python:container.nieuws.posts.objectValues(['File']); bdnewsposts python:sequence.sort(bdnewsposts_list, sort_on)[:10]"><tal:loop tal:repeat="bdnewspost bdnewsposts"><item tal:attributes="rdf:about bdnewspost/url"><title tal:content="bdnewspost/title"></title><link tal:content="bdnewspost/url"></link><dc:date tal:content="python:bdnewspost.bobobase_modification_time().strftime('%d-%m-%Y / %H:%M')"></dc:date><description tal:content="structure python:container.gastenboek.formatEntry(bdnewspost)"></description></item></tal:loop></tal:list></tal:sort></rdf:RDF>