* read_buffer can only be used for TYPE_READ and TYPE_ACCEPT types
* write_buffer can only be used for TYPE_WRITE type

all builtin functions.

Mention that wait_for() now accepts None for the timeout.

Moreover, bufsize different than 0 is now considered as an error.

asyncio: Pass through pause/resume from subprocess pipe proto to subprocess proto. Also kill dummy eof_received().

asyncio: _fatal_error() of _UnixWritePipeTransport and _ProactorBasePipeTransport shouldn't log BrokenPipeError nor ConnectionResetError.

(Same behaviour as _SelectorTransport._fatal_error().)

attribute, that attribute is an instance of 'functools.partialmethod'.

of name conflict between '__bind_self' and actual keyword argument to
'bind' or 'bind_partial'.

handling #17481

be provided #20422

which are at least as efficient. On Py3, unpacking exceptions never works.

Initial patch by Yann Kaiser (epsy).

The removed unittest duplicates the other one (test_signature_on_builtins_no_signature)