Issue #23972: updates to asyncio datagram API. By Chris Laws. (Merge 3.4->3.5.)

diff --cc Doc/library/asyncio-eventloop.rst
index 1de5f7beaf544175cc700bac1bbf9e159373fcad,e867c80d4ed60a155bb106aa165ae3196cf78671..279bc29636326efca73982acb398e56e383b0fa8
--- 1/Doc/library/asyncio-eventloop.rst
--- 2/Doc/library/asyncio-eventloop.rst
+++ b/Doc/library/asyncio-eventloop.rst
@@@ -361,11 -392,14 +394,16 @@@ Creating listening connection
       expire. If not specified will automatically be set to True on
       UNIX.
  
+    * *reuse_port* tells the kernel to allow this endpoint to be bound to the
+      same port as other existing endpoints are bound to, so long as they all
+      set this flag when being created. This option is not supported on
+      Windows.
+ 
     This method is a :ref:`coroutine <coroutine>`.
  
 -   On Windows with :class:`ProactorEventLoop`, SSL/TLS is not supported.
 +   .. versionchanged:: 3.5
 +
 +      On Windows with :class:`ProactorEventLoop`, SSL/TLS is now supported.
  
     .. seealso::
  

diff --cc Misc/ACKS
index a91593e945d3215efcbc0236d61677b799992510,a40545a89b92601b2e3fa71d5b4fee13ec196f07..28d25fd3068d25dd9eefd5db33f7a52e02770e08
--- 1/Misc/ACKS
--- 2/Misc/ACKS
+++ b/Misc/ACKS
@@@ -812,7 -789,7 +812,8 @@@ Ben Lauri
  Simon Law
  Julia Lawall
  Chris Lawrence
 +Mark Lawrence
+ Chris Laws
  Brian Leair
  Mathieu Leduc-Hamel
  Amandine Lee

diff --cc Misc/NEWS
Simple merge