# File lib/rdoc/markup/to_html.rb, line 269
  def accept_heading heading
    level = [6, heading.level].min

    label = heading.aref
    label = [@code_object.aref, label].compact.join '-' if
      @code_object and @code_object.respond_to? :aref

    @res << "\n<h#{level} id=\"#{label}\">"
    @res << to_html(heading.text)
    @res << "</h#{level}>\n"
  end