Merged revisions 72661,72675-72677,72679,72712,72801,72820 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r72661 | georg.brandl | 2009-05-15 10:03:03 +0200 (Fr, 15 Mai 2009) | 1 line

  Fix example output for doctest-like demos.
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  r72675 | georg.brandl | 2009-05-16 13:13:21 +0200 (Sa, 16 Mai 2009) | 1 line

  #6034: clarify __reversed__ doc.
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  r72676 | georg.brandl | 2009-05-16 13:14:46 +0200 (Sa, 16 Mai 2009) | 1 line

  #6025: fix signature of parse().
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  r72677 | georg.brandl | 2009-05-16 13:18:55 +0200 (Sa, 16 Mai 2009) | 1 line

  #6009: undocument default argument of Option as deprecated.
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  r72679 | georg.brandl | 2009-05-16 13:24:41 +0200 (Sa, 16 Mai 2009) | 1 line

  Fix about and bugs pages to match real workflow.
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  r72712 | georg.brandl | 2009-05-17 10:55:00 +0200 (So, 17 Mai 2009) | 1 line

  #5935: mention that BROWSER is looked for in PATH.
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  r72801 | georg.brandl | 2009-05-20 20:31:14 +0200 (Mi, 20 Mai 2009) | 1 line

  #6055: refer to "sqlite3" consistently.
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  r72820 | georg.brandl | 2009-05-22 09:23:32 +0200 (Fr, 22 Mai 2009) | 1 line

  Use raise X(y).
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diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index 83d2358..2161706 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1700,11 +1700,11 @@
    reverse iteration.  It should return a new iterator object that iterates
    over all the objects in the container in reverse order.
 
-   If the :meth:`__reversed__` method is not provided, the
-   :func:`reversed` builtin will fall back to using the sequence protocol
-   (:meth:`__len__` and :meth:`__getitem__`).  Objects should normally
-   only provide :meth:`__reversed__` if they do not support the sequence
-   protocol and an efficient implementation of reverse iteration is possible.
+   If the :meth:`__reversed__` method is not provided, the :func:`reversed`
+   builtin will fall back to using the sequence protocol (:meth:`__len__` and
+   :meth:`__getitem__`).  Objects that support the sequence protocol should
+   only provide :meth:`__reversed__` if they can provide an implementation
+   that is more efficient than the one provided by :func:`reversed`.
 
 
 The membership test operators (:keyword:`in` and :keyword:`not in`) are normally