updated.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21377 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

NEWS

@@ -73,6 +73,13 @@ with all sufficient information, see the ChangeLog file.
 
 * socket
   * Socket.pair and UNIXSocket.pair takes a block.
+  * AddrInfo class
+  * Socket#{recvfrom,recvfrom_nonblock,accept,accept_nonblock,sysaccept}
+    returns a sender address as AddrInfo object instead of a string.
+  * BasicSocket#local_address
+  * BasicSocket#remote_address
+  * string/symbol as protocol/address family, socket type, protocol level and
+    socket option name can be specified as a string/symbol.
 
 === Compatibility issues (excluding feature bug fixes)