code: func SetupWithFacility(procname string,
  	facility spacelog.SyslogPriority) error {
  	config_copy := config
  	config_copy.Facility = int(facility)
  	return spacelog.Setup(procname, config_copy)
  }
docs: // SetupWithFacility is deprecated and will be removed soon. Please
  // configure facility through the facility flag option.