add xdm control to /etc/rc.conf; X11 docs need updating

src/etc/rc

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc,v 1.70 1998/03/25 23:07:21 deraadt Exp $
+#	$OpenBSD: rc,v 1.71 1998/04/07 06:11:52 deraadt Exp $
 
 # System startup script run by init on autoboot
 # or after single-user.
@@ -416,4 +416,10 @@ fi
 . /etc/rc.local
 
 date
+
+# Alternatively, on some architectures, xdm may be started in /etc/ttys.
+if [ "X${xdm_flags}" != X"NO" ]; then
+	echo 'starting xdm...';		/usr/X11R6/bin/xdm
+fi
+
 exit 0

src/etc/rc.conf

@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$OpenBSD: rc.conf,v 1.18 1998/03/28 00:10:59 deraadt Exp $
+#	$OpenBSD: rc.conf,v 1.19 1998/04/07 06:11:54 deraadt Exp $
 
 # set these to "NO" to turn them off.  otherwise, they're used as flags
 routed_flags=NO		# for 'normal' use: routed_flags="-q"
@@ -16,6 +16,9 @@ photurisd_flags=NO	# for 'normal' use: photurisd_flags=""
 mopd_flags=NO		# for 'normal' use: mopd_flags="-a"
 httpd_flags=NO		# for 'normal' use: httpd_flags=""
 
+# On some architectures, you must also disable console getty in /etc/ttys
+xdm_flags=NO		# for 'normal' use: xdm_flags=""
+
 # set the following to "YES" to turn them on
 rwhod=NO
 nfs_server=NO

src/etc/rc.local

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc.local,v 1.20 1998/03/25 07:25:22 deraadt Exp $
+#	$OpenBSD: rc.local,v 1.21 1998/04/07 06:11:55 deraadt Exp $
 
 # site-specific startup actions, daemons, and other things which
 # can be done AFTER your system goes into securemode.  For actions
@@ -32,9 +32,4 @@ fi
 #	echo -n ' scon';	/usr/sbin/scon -t 300
 #fi
 
-# Alternatively, xdm may be started in /etc/ttys.
-#if [ -x /usr/X11R6/bin/xdm ]; then
-#	echo -n ' xdm';		/usr/X11R6/bin/xdm
-#fi
-
 echo '.'