def handle_link(self, element):
if 'url' in element.attrib:
- return tag('a', href=element.attrib['url'])(element)
+ return tag('a', href=element.attrib['url'])(self, element)
elif 'material' in element.attrib:
formats = re.split(r"[, ]+", element.attrib['format'])
fmt_links = []