# File lib/rdoc/markup/formatter.rb, line 153
  def off_tags res, item
    attr_mask = item.turn_off
    return if attr_mask.zero?

    @attr_tags.reverse_each do |tag|
      if attr_mask & tag.bit != 0 then
        @in_tt -= 1 if tt? tag
        res << annotate(tag.off)
      end
    end
  end