set_xhtml_uri_as_default_uri

# File lib/rss/maker/base.rb, line 332
        def set_xhtml_uri_as_default_uri(children)
          children.collect do |child|
            if child.is_a?(RSS::XML::Element) and
                child.prefix.nil? and child.uri.nil?
              RSS::XML::Element.new(child.name, nil, ::RSS::Atom::XHTML_URI,
                                    child.attributes.dup,
                                    set_xhtml_uri_as_default_uri(child.children))
            else
              child
            end
          end
        end