Index: targets/support/livecdfs-update.sh
===================================================================
--- targets/support/livecdfs-update.sh	(revision 1218)
+++ targets/support/livecdfs-update.sh	(working copy)
@@ -143,11 +143,10 @@
 if [ -n "${clst_livecd_xdm}" ]
 then
 	sed -i \
-		-e "s:DISPLAYMANAGER=\"xdm\":DISPLAYMANAGER=\"${clst_livecd_xdm}\":" \
-		-e ":^DISPLAYMANAGER: s:^#::" \
+		-e "s:^#\\?DISPLAYMANAGER=.\+$:DISPLAYMANAGER=\"${clst_livecd_xdm}\":" \
 		/etc/rc.conf
 	sed -i \
-		-e "s:DISPLAYMANAGER=\"xdm\":DISPLAYMANAGER=\"${clst_livecd_xdm}\":" \
+		-e "s:^#\\?DISPLAYMANAGER=.\+$:DISPLAYMANAGER=\"${clst_livecd_xdm}\":" \
 		/etc/conf.d/xdm
 fi