Patch by Vajrasky Kok.

Patch by Vajrasky Kok.

Also reworded the other entries in the socket section of whatsnew, as
well as a couple of unrelated news entries.

Also fix a NEWS file issue number error, and some spacing fixes in whatsnew.

Also reworded the description of the feature in the docs.

Issue #19422: Explicitly disallow non-SOCK_STREAM sockets in the ssl module, rather than silently let them emit clear text data.

Issue #19422: Explicitly disallow non-SOCK_STREAM sockets in the ssl module, rather than silently let them emit clear text data.

Also collapse redundant versionadded/versionchanged markup in
poplib.stls entry.

In issue 20074 it was pointed out that getpass would fail with a traceback if
stdin was, for example /dev/null, which is a non-unlikely scenario.

Also backported the tests from issue 17484 as modified by issue 18116.

(What I really did was copy getpass.py and test_getpass.py from their
state on tip as of 17bd04fbf3d3).

calculated.  Generalized support of the euro modifier.

Clarified the "At the moment" wording, and added the get_stats entry in the
module summary that Serhiy noted was missing at the end of issue 16351.

Given that pydoc lists all the function docstrings, I'm not sure that module
summary section is actually needed; but, it is probably better to address that
when the module is converted to use Argument Clinic.  In the meantime we
should keep the list complete.