# File wfo/missing.rb, line 48
  def HTree(html_string=nil, &block)
    if block
      HTree_old(html_string, &block)
    else
      result = HTree_old(html_string)
      result.instance_eval {
        if html_string.respond_to? :base_uri
          @request_uri = html_string.last_request_uri
          @protocol_base_uri = html_string.base_uri
        else
          @request_uri = nil
          @protocol_base_uri = nil
        end
      }
      result
    end
  end