Issue #13540: Expanded argparse documents to clarify the action API
Issue #13540: Removed redundant documentation about Action instance attributes. Updated example and documentation per recommendations by Steven Bethard in msg149524.
#21704: remove duplicate name in Misc/ACKS.
Edit NEWS entry
asyncio: Use the new os.set_blocking() function of Python 3.5 if available
Close #22063: socket operations (socket,recv, sock_sendall, sock_connect,
sock_accept) now raise an exception in debug mode if sockets are in blocking
mode.
Issue #22063: Mention in asyncio documentation that socket operations require
the socket to be non-blocking
Issue #21951: Temporary skip crashing test_user_command on AIX.
Issue #21580: Now Tkinter correctly handles bytes arguments passed to Tk.
In particular this allows to initialize images from binary data.
Issue #22068: Don't create self reference cycles in idlelib.ConfigDialog.
 - update config.guess and config.sub to support openrisc.
Fix whitespace in example.
Issue #13540: Update references to Action class to match syntax used for other classes in this file.
Issue #13540: Merge changes from 3.2
Issue #13540: Merge changes from 3.3
PEP 8 spacing in idlelib.configDialog: mostly a = b in assignments,
a, b in arg lists, and hanging indents for long arg lists.
Improve regex tokenizer example by using re.finditer().

Also, improve variable names and fix column numbers
in the generated output.
Fix markup.
Remove unused leftover stray line
#18588: update the timeit examples to be consistent.