More tests of the concrete policy methods would probably be
a good idea, but this is a start, and it brings line coverage
up to 100% for the policy module.

Patch by Milan Oberkirch.

Original patch by Varun Sharma.

Issue #20637: Key-sharing now also works for instance dictionaries of subclasses.  Patch by Peter Ingebretson.

arguments.  Patch by Glenn Langford.

a help on environment with too small COLUMNS.  Based on patch by
Elazar Gershuni.

Original patch by Simon Sapin.

encoding with the surrogateescape error handler, instead of decoding from the
locale encoding in strict mode. It fixes the function on Fedora 19 which is
probably the first major distribution release with a non-ASCII name. Patch
written by Toshio Kuratomi.

Initial patch by Merlijn van Deen.

I've added a few unrelated docstring fixes in the patch while I was at
it, which makes the documentation for pickle a bit more consistent.

of the time.  Patch by Julian Gindi.

virtual interface.  Original patch by Kent Frazier.

Patch by William Mallard.

Python now uses SipHash24 on all major platforms.

The utf-16* and utf-32* encoders no longer allow surrogate code points
(U+D800-U+DFFF) to be encoded.
The utf-32* decoders no longer decode byte sequences that correspond to
surrogate code points.
The surrogatepass error handler now works with the utf-16* and utf-32* codecs.

Based on patches by Victor Stinner and Kang-Hao (Kenny) Lu.

Patch by Donald Stufft and Nick Coghlan

Patch by Sunny K.

Issue #15207: Fix mimetypes to read from correct area in Windows registry (Original patch by Dave Chambers)

Patch by Tim Heaney and Vajrasky Kok.

Patch by Zero Piraeus.

This new pre-initialization API allows embedding
applications like Blender to force a particular
encoding and error handler for the standard IO streams.

Also refactors Modules/_testembed.c to let us start
testing multiple embedding scenarios.

(Initial patch by Bastien Montagne)

Closes #1215: document better why it is not a good idea to catch e.g. SIGSEGV and refer to faulthandler.

Patch by Martin Pool.

(Patch by Katie Miller)

Report and patch by Hrvoje Nikšić

Patch by Oscar Benjamin.

This patch appropriately marks known false alarms in the
small object allocator when address sanity checking is
enabled (patch contributed by Dhiru Kholia).