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}"
      ial[k].lstrip!
    elsif k.kind_of?(String)
      ial[k] = v
    end
  end
end