[docs] Context manager of socket.socket is not documented (issue 24911)

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https://bugs.python.org/review/24911/diff/15445/Doc/library/socket.rst
File Doc/library/socket.rst (right):

https://bugs.python.org/review/24911/diff/15445/Doc/library/socket.rst#newcode771
Doc/library/socket.rst:771: Support for the :keyword:`with` statement
was added.  Exiting the
On 2016/02/17 12:19:27, haypo wrote:
> I suggest to use ":term:`context manager` protocol" instead

Agreed; I like this over the original text.

https://bugs.python.org/review/24911/