class Kramdown::Parser::Kramdown

def update_tree(element)
  last_blank = nil
  element.children.map! do |child|
    if child.type == :raw_text
      last_blank = nil
      reset_env(src: ::Kramdown::Utils::StringScanner.new(child.value, element.options[:location]),
                text_type: :text)
      parse_spans(child)
      child.children
    elsif child.type == :eob
      update_attr_with_ial(child.attr, child.options[:ial]) if child.options[:ial]
      []
    elsif child.type == :blank
      if last_blank
        last_blank.value << child.value
        []
      else
        last_blank = child
        child
      end
    else
      last_blank = nil
      update_tree(child)
      update_attr_with_ial(child.attr, child.options[:ial]) if child.options[:ial]
      # DEPRECATED: option auto_id_stripping will be removed in 2.0 because then this will be
      # the default behaviour
      if child.type == :dt || (child.type == :header && @options[:auto_id_stripping])
        update_raw_text(child)
      end
      child
    end
  end.flatten!
end