Initial patch by Carlo Beccarini.
Stop serving: close listening sockets and set the :attr:`sockets`
attribute to ``None``.
- The sockets that represent existing incoming client connections are
- leaved open.
+ The sockets that represent existing incoming client connections are left
+ open.
- The server is closed asynchonously, use the :meth:`wait_closed` coroutine
- to wait until the server is closed.
+ The server is closed asynchronously, use the :meth:`wait_closed`
+ coroutine to wait until the server is closed.
.. coroutinemethod:: wait_closed()