$2 ~ /^(NL|CR|TAB|BS|VT|FF)DLY$/ ||
		$2 ~ /^(NL|CR|TAB|BS|VT|FF)[0-9]$/ ||
		$2 ~ /^O?XTABS$/ ||
		$2 ~ /^TC[IO](ON|OFF)$/ ||
		$2 ~ /^IN_/ ||
		$2 ~ /^KCM/ ||
		$2 ~ /^LANDLOCK_/ ||
		$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
		$2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
		$2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ ||
		$2 == "LOOP_CONFIGURE" ||