Document that @property can incorporate a docstring from the getter method.  Improve readabilty with additional whitespace.
#19620: Fix typo in docstring (noticed by Christopher Welborn).
Fix test.test_support.bind_port() to not cause an error when Python was
compiled on a system with SO_REUSEPORT defined in the headers but run on
a system with an OS kernel that does not support that new socket option.
fix docstring. extra \.
Fix test_fcntl to run properly on systems that do not support the flags
used in the "does the value get passed in properly" test.