code: def generate_message_crc_extra_array(outf, msgs):
      
  
      crcs = []
      for msg in msgs:
          crcs.append("%u: %u" % (msg.id, msg.crc_extra))
  
      t.write(outf, """
  
  
  /**
      Message CRSs extra for detection incompatible XML changes
  */
  private let messageCrcsExtra: [UInt8: UInt8] = [${ARRAY_CONTENT}]
  """, {'ARRAY_CONTENT' : ", ".join(crcs)})
docs: Add array with CRC extra values to detect incompatible XML changes