as_list                 Coerce xml nodes to a list.
read_xml                Read HTML or XML.
url_absolute            Convert between relative and absolute urls.
url_escape              Escape and unescape urls.
url_parse               Parse a url into its component pieces.
write_xml               Write XML to disk.
xml_attr                Retrieve an attribute.
xml_children            Navigate around the family tree.
xml_find_all            Find nodes that match an xpath expression.
xml_name                The (tag) name of an xml element.
xml_ns                  XML namespaces.
xml_path                Retrieve the xpath to a node
xml_structure           Show the structure of an html/xml document.
xml_text                Extract the text
xml_type                Determine the type of a node.
xml_url                 The URL of an XML document
