--- a/common/selectors.py	Tue Nov 25 17:47:13 2008 +0100
+++ b/common/selectors.py	Tue Nov 25 17:47:22 2008 +0100
@@ -390,6 +390,9 @@
     return 1
 
 def appobject_selectable(registry, oid):
+    """return a selector that will have a positive score if an object for the
+    given registry and object id is selectable for the input context
+    """
     @lltrace
     def selector(cls, req, rset, *args, **kwargs):
         try: