In particular, correctly describe the behavior of ntpath.join.

Based on a patch by Dave Sawyer.

sys.path_hooks when set to None during interpreter shutdown.

Thanks to Martin Panter for the initial bug report.

sporadic failures on Windows

failures on Windows

Patch by Remi Pointel.

Patch by Remi Pointel.

MemoryBIO; move documentation of SSLContext.wrap_bio()

server_hostname methods and attributes of SSLSocket.

Drop support of MS-DOS, especially of the DJGPP compiler (MS-DOS port of GCC).

Today is a sad day. Good bye MS-DOS, good bye my friend :'-(

Py_TOLOWER, Py_ISSPACE, etc.

and re.subn().

Tweak docstrigs and comments in affected functions in idlelib.configHandler.