Issue #23804: Merge spelling and NEWS fixes from 3.5

diff --cc Doc/library/xmlrpc.server.rst
Simple merge

diff --cc Lib/distutils/tests/test_build_ext.py
Simple merge

diff --cc Lib/idlelib/NEWS.txt
Simple merge

diff --cc Lib/test/test_ipaddress.py
Simple merge

diff --cc Lib/unittest/mock.py
Simple merge

diff --cc Lib/xmlrpc/server.py
Simple merge

diff --cc Misc/NEWS
index 01a9c66002162f5d16b2b2e7ad8e20f12d13044b,b7ad75b2628e3b47cd70c26b1244db327a3fb5b6..c680eaa60b8c9d8c3b9dca430fab7a88a49389e5
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -13,17 -13,9 +13,17 @@@ Core and Builtin
  - Issue #27473: Fixed possible integer overflow in bytes and bytearray
    concatenations.  Patch by Xiang Zhang.
  
- - Issue #27443: __length_hint__() of bytearray itearator no longer return
-   negative integer for resized bytearray.
 +- Issue #23034: The output of a special Python build with defined COUNT_ALLOCS,
 +  SHOW_ALLOC_COUNT or SHOW_TRACK_COUNT macros is now off by  default.  It can
 +  be re-enabled using the "-X showalloccount" option.  It now outputs to stderr
 +  instead of stdout.
 +
+ - Issue #27443: __length_hint__() of bytearray iterators no longer return a
+   negative integer for a resized bytearray.
  
 +- Issue #27007: The fromhex() class methods of bytes and bytearray subclasses
 +  now return an instance of corresponding subclass.
 +
  Library
  -------