Merged revisions 83536,83546-83548,83550,83554-83555,83558,83563,83565,83571,83574-83575 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
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r83536 | georg.brandl | 2010-08-02 19:49:25 +0200 (Mo, 02 Aug 2010) | 1 line
#8578: mention danger of not incref'ing weak referenced object.
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r83546 | georg.brandl | 2010-08-02 21:16:34 +0200 (Mo, 02 Aug 2010) | 1 line
#7973: Fix distutils options spelling.
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r83547 | georg.brandl | 2010-08-02 21:19:26 +0200 (Mo, 02 Aug 2010) | 1 line
#7386: add example that shows that trailing path separators are stripped.
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r83548 | georg.brandl | 2010-08-02 21:23:34 +0200 (Mo, 02 Aug 2010) | 1 line
#8172: how does one use a property?
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r83550 | georg.brandl | 2010-08-02 21:32:43 +0200 (Mo, 02 Aug 2010) | 1 line
#9451: strengthen warning about __*__ special name usage.
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r83554 | georg.brandl | 2010-08-02 21:43:05 +0200 (Mo, 02 Aug 2010) | 1 line
#7280: note about nasmw.exe.
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r83555 | georg.brandl | 2010-08-02 21:44:48 +0200 (Mo, 02 Aug 2010) | 1 line
#8861: remove unused variable.
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r83558 | georg.brandl | 2010-08-02 22:05:19 +0200 (Mo, 02 Aug 2010) | 1 line
#8648: document UTF-7 codec functions.
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r83563 | georg.brandl | 2010-08-02 22:21:21 +0200 (Mo, 02 Aug 2010) | 1 line
#9037: add example how to raise custom exceptions from C code.
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r83565 | georg.brandl | 2010-08-02 22:27:20 +0200 (Mo, 02 Aug 2010) | 1 line
#9111: document that do_help() looks at docstrings.
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r83571 | georg.brandl | 2010-08-02 22:44:34 +0200 (Mo, 02 Aug 2010) | 1 line
Clarify that abs() is not a namespace.
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r83574 | georg.brandl | 2010-08-02 22:47:56 +0200 (Mo, 02 Aug 2010) | 1 line
#6867: epoll.register() returns None.
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r83575 | georg.brandl | 2010-08-02 22:52:10 +0200 (Mo, 02 Aug 2010) | 1 line
#9238: zipfile does handle archive comments.
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diff --git a/Doc/c-api/weakref.rst b/Doc/c-api/weakref.rst
index 80ebf82..226ec38 100644
--- a/Doc/c-api/weakref.rst
+++ b/Doc/c-api/weakref.rst
@@ -63,10 +63,17 @@
.. cfunction:: PyObject* PyWeakref_GetObject(PyObject *ref)
Return the referenced object from a weak reference, *ref*. If the referent is
- no longer live, returns ``None``.
+ no longer live, returns :const:`Py_None`.
.. versionadded:: 2.2
+ .. warning::
+
+ This function returns a **borrowed reference** to the referenced object.
+ This means that you should always call :cfunc:`Py_INCREF` on the object
+ except if you know that it cannot be destroyed while you are still
+ using it.
+
.. cfunction:: PyObject* PyWeakref_GET_OBJECT(PyObject *ref)