# File lib/rdoc/markup/heading.rb, line 20
  def self.to_html
    return @to_html if @to_html

    markup = RDoc::Markup.new
    markup.add_special RDoc::CrossReference::CROSSREF_REGEXP, :CROSSREF

    @to_html = RDoc::Markup::ToHtml.new

    def @to_html.handle_special_CROSSREF special
      special.text.sub(/^\\/, '')
    end

    @to_html
  end