class Kramdown::Converter::Kramdown

def create_link_defs
  res = +''
  res << "\n\n" unless @linkrefs.empty?
  @linkrefs.each_with_index do |el, i|
    title = parse_title(el.attr['title'])
    res << "[#{i + 1}]: #{el.attr['href']}#{title}\n"
  end
  res
end