--- a/Doc/lib/libsocket.tex	Sat Jan 14 13:02:53 2006 +0000
+++ b/Doc/lib/libsocket.tex	Sat Jan 14 18:12:57 2006 +0000
@@ -68,6 +68,9 @@
 configuration.  For deterministic behavior use a numeric address in
 \var{host} portion.
 
+\versionadded[2.5]{AF_NETLINK sockets are represented as 
+pairs \code{\var{pid}, \var{groups}}.}
+
 All errors raise exceptions.  The normal exceptions for invalid
 argument types and out-of-memory conditions can be raised; errors
 related to socket or address semantics raise the error