.FACILITY	SAY,100 /PREFIX=SAY$_
	.SEVERITY	FATAL
	BADOPT		<invalid command option>
	BADPID		<internal error, contact system programming staff>
	BADPROC		<nonexistent or non-interactive process>
	UNDEF		<no known previous recipient>

	.SEVERITY	WARNING
	NOTALLSENT	<message sent to !UL out of !UL terminals> /FAO=2

	.SEVERITY	INFORMATIONAL
	NOPREV		<no current correspondent>
	PREVNAME	<current correspondent is !AC> /FAO=1

	.END