Index: xen-4.2.0-testing/tools/hotplug/Linux/init.d/sysconfig.xencommons
===================================================================
--- xen-4.2.0-testing.orig/tools/hotplug/Linux/init.d/sysconfig.xencommons
+++ xen-4.2.0-testing/tools/hotplug/Linux/init.d/sysconfig.xencommons
@@ -1,14 +1,30 @@
+## Path: System/Virtualization
+## Type: string
+## Default: "none"
+#
 # Log xenconsoled messages (cf xl dmesg)
 #XENCONSOLED_TRACE=[none|guest|hv|all]
 
+## Type: string
+## Default: xenstored
+#
 # Select xenstored implementation
 #XENSTORED=[oxenstored|xenstored]
 
+## Type: string
+## Default: Not defined, tracing off
+#
 # Log xenstored messages
 #XENSTORED_TRACE=[yes|on|1]
 
+## Type: string
+## Default: "/var/lib/xenstored"
+#
 # Running xenstored on XENSTORED_ROOTDIR
 #XENSTORED_ROOTDIR=/var/lib/xenstored
 
+## Type: string
+## Default: Not defined, xenbackendd debug mode off
+#
 # Running xenbackendd in debug mode
 #XENBACKENDD_DEBUG=[yes|on|1]