It affects docs of 3.3 in a way that was fixed differently in 3.4

In 3.3 iterparse accepts a tuple in events (the C accelerator enforces this).
This limitation was lifted in Python 3.4

exception set

asyncio: Add support for running subprocesses on Windows with the IOCP event loop (Richard Oudkerk).

The bug was introduced with the select.epoll module! So it's 5 years old :-)

memcmp() just takes raw pointers

Warnings may be emitted during Python shutdown, like "unclosed file XXX".
During shutdown, globals()['__main__'] may be None.

"\xe9\u20ac" characters

characters.

Use fast memcmp() instead of a loop using the slow PyUnicode_READ() macro.
strlen() is still necessary to check Unicode string containing null bytes.

It is causing trouble like e.g. hanging processes.

It is causing trouble like e.g. hanging processes.

failure (memory allocation failure): raise a MemoryError exception