Patch by Joe Jevnik.

Issue #26073: Updates magic number comment in _bootstrap_external.py and changes numbers in launcher.py to decimal to match official table.

Some servers send Location header fields with non-ASCII bytes, but "http.
client" requires the request target to be ASCII-encodable, otherwise a
UnicodeEncodeError is raised. Based on patch by Christian Heimes.

Python 2 does not suffer any problem because it allows non-ASCII bytes in the
HTTP request target.

in PyArg_ParseTuple().

Uppercase 'GUI', remove 2.7 references and reflow text.

Patch from Yolanda Robla.

Patch by Saimadhav Heblikar.

* "ctypes" documentation was using Python 2 bytes-str equivalence.
* PyImport_FrozenModules is a pointer to const as of Python 3.4

Patch by Philip Jenvey

Patch by Vincent Michel.
See also https://github.com/python/asyncio/pull/326

Patch by Philip Jenvey

test_different_file.

Patch contributed by Chi Hsuan Yen.

It is better to not change this in bugfix release.

Original patch by James Edwards.

Patch from Xiang Zhang.

This was inadvertently changed in 644b677c2ae5 to use self._stderr
instead of _sys.stderr.