class Kramdown::Parser::Kramdown

def parse_span_extensions
  if @src.check(EXT_SPAN_START)
    parse_extension_start_tag(:span)
  elsif @src.check(IAL_SPAN_START)
    if (last_child = @tree.children.last) && last_child.type != :text
      @src.pos += @src.matched_size
      attr = {}
      parse_attribute_list(@src[1], attr)
      update_ial_with_ial(last_child.options[:ial] ||= {}, attr)
      update_attr_with_ial(last_child.attr, attr)
    else
      warning("Found span IAL after text - ignoring it")
      add_text(@src.getch)
    end
  else
    add_text(@src.getch)
  end
end