class Kramdown::Parser::Html::ElementConverter

def process_children(el, do_conversion = true, preserve_text = false)
  el.children.map! do |c|
    if c.type == :text
      process_text(c.value, preserve_text)
    else
      process(c, do_conversion, preserve_text, el)
      c
    end
  end.flatten!
end