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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1 files changed, 6 insertions, 5 deletions

diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst
index e88c0ba..d4c7990 100644
--- a/Doc/reference/lexical_analysis.rst
+++ b/Doc/reference/lexical_analysis.rst
@@ -386,11 +386,12 @@ characters:
       information on this convention.
 
 ``__*__``
-   System-defined names.  These names are defined by the interpreter and its
-   implementation (including the standard library); applications should not expect
-   to define additional names using this convention.  The set of names of this
-   class defined by Python may be extended in future versions. See section
-   :ref:`specialnames`.
+   System-defined names. These names are defined by the interpreter and its
+   implementation (including the standard library).  Current system names are
+   discussed in the :ref:`specialnames` section and elsewhere.  More will likely
+   be defined in future versions of Python.  *Any* use of ``__*__`` names, in
+   any context, that does not follow explicitly documented use, is subject to
+   breakage without warning.
 
 ``__*``
    Class-private names.  Names in this category, when used within the context of a