[docs] [issue16154] Some minor doc fixes in Doc/library

[Ravi Sinha]

Changes by Ravi Sinha <rss1406 at gmail.com>:


Added file: http://bugs.python.org/file27651/33.doc_lib_Oct21_2012.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16154>
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