class Kramdown::Parser::Kramdown

def update_ial_with_ial(ial, opts)
  (ial[:refs] ||= []) << opts[:refs]
  opts.each do |k, v|
    if k == IAL_CLASS_ATTR
      ial[k] = "#{ial[k]} #{v}".lstrip
    elsif k.kind_of?(String)
      ial[k] = v
    end
  end
end