Merged revisions 86676 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r86676 | senthil.kumaran | 2010-11-22 12:48:26 +0800 (Mon, 22 Nov 2010) | 4 lines

  Fix Issue4493 - urllib2 adds '/' to the path component of url, when it does not
  starts with one. This behavior is exhibited by browser and other clients.
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