# File lib/maruku/ext/math/to_html.rb, line 162
      def to_html_divref
        unless hash = self.doc.refid2ref.values.find {|h| h.has_key?(self.refid)}
          maruku_error "Cannot find div #{self.refid.inspect}"
          return xtext("\\ref{#{self.refid}}")
        end
        ref= hash[self.refid]

        a = xelem('a')
        a['class'] = 'maruku-ref'
        a['href'] = "#" + self.refid
        a << xtext(ref.num.to_s)
        a
      end