# File lib/maruku/input/parse_span.rb, line 351
  def extension_meta(src, con, break_on_chars=nil)
    if m = src.read_regexp(/([^\s\:\"\'}]+?):/)
      name = m[1]
      al = read_attribute_list(src, con, break_on_chars)
      self.doc.ald[name] = al
      con.push md_ald(name, al)
    else
      al = read_attribute_list(src, con, break_on_chars)
      con.push md_ial(al)
    end
  end