Changing allow_reuse_address's default value, and documenting it.
diff --git a/Lib/SocketServer.py b/Lib/SocketServer.py
index a263f8e..c7439dd 100644
--- a/Lib/SocketServer.py
+++ b/Lib/SocketServer.py
@@ -157,7 +157,7 @@
 
     request_queue_size = 5
 
-    allow_reuse_address = 0
+    allow_reuse_address = 1
 
     def __init__(self, server_address, RequestHandlerClass):
         """Constructor.  May be extended, do not override."""