# File lib/maruku/ext/math/to_html.rb, line 167
        def to_html_divref
                ref= nil
                self.doc.refid2ref.each_value { |h|
                        ref = h[self.refid] if h.has_key?(self.refid)                        
                }
                if ref
                        num = ref.num
                        a = Element.new 'a'
                        a.attributes['class'] = 'maruku-ref'
                        a.attributes['href'] = "#" + self.refid
                        a << Text.new(num.to_s)
                        a
                else
                        maruku_error "Cannot find div #{self.refid.inspect}"
                        Text.new "\\ref{#{self.refid}}"
                end
        end