# File lib_wpm/wpm.rb, line 1304
    def make_attr_desc
      ns_map.start_element
      begin
        xmlns_desc = ''
        attr_desc = ''
        if (ns_map[''] != XMLNS_HTML_URI) then
          xmlns_desc.concat(' xmlns="' + escapeHTML(XMLNS_HTML_URI) + '"')
          ns_map.add_ns('', XMLNS_HTML_URI)
        end
        yield(xmlns_desc + attr_desc)
      ensure
        ns_map.end_element
      end

      nil
    end