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8 changes: 4 additions & 4 deletions Doc/library/weakref.rst
Original file line number Diff line number Diff line change
Expand Up @@ -61,10 +61,10 @@ create your own weak references directly. The low-level machinery is
exposed by the :mod:`!weakref` module for the benefit of advanced uses.

Not all objects can be weakly referenced. Objects which support weak references
include class instances, functions written in Python (but not in C), instance methods,
sets, frozensets, some :term:`file objects <file object>`, :term:`generators <generator>`,
type objects, sockets, arrays, deques, regular expression pattern objects, code
objects, and frame objects.
include class instances, functions written in Python, built-in functions,
instance methods, sets, frozensets, some :term:`file objects <file object>`,
:term:`generators <generator>`, type objects, sockets, arrays, deques,
regular expression pattern objects, code objects, and frame objects.

.. versionchanged:: 3.2
Added support for thread.lock, threading.Lock, and code objects.
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