class Kramdown::Parser::Kramdown

def add_link(el, href, title, alt_text = nil, ial = nil)
  el.options[:ial] = ial
  update_attr_with_ial(el.attr, ial) if ial
  if el.type == :a
    el.attr['href'] = href
  else
    el.attr['src'] = href
    el.attr['alt'] = alt_text
    el.children.clear
  end
  el.attr['title'] = title if title
  @tree.children << el
end