(Original patch by Vinay Sajip)

fix #10340: properly handle EINVAL on OSX and also avoid to call handle_connect() in case of a disconnetected socket which is not meant to connect.

fix #10340: properly handle EINVAL on OSX and also avoid to call handle_connect() in case of a disconnetected socket which is not meant to connect.

w cannot be NULL so use Py_DECREF() instead of Py_XDECREF().

Issue #14204: The ssl module now has support for the Next Protocol Negotiation extension, if available in the underlying OpenSSL library.
Patch by Colin Marc.

up the decimal module. Performance gains of the new C implementation are
between 12x and 80x, depending on the application.

Patch by Guilherme Polo.

Patch by Guilherme Polo.

This is a backward incompatible change, but since it is an RFC conformance bug
and all real mail servers that I know of do conform to the RFC in this regard,
I believe it is an acceptable change for a feature release.

Patch by Jason Killen.

They're optional-only for now (unlike in pure Python) but that's all
I needed.  The syntax can easily be relaxed if we want to support
required keyword-only arguments for extension types in the future.