Merged revisions 80694,80703 via svnmerge from

Merged revisions 80694,80703 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r80694 | victor.stinner | 2010-05-02 11:37:08 +0200 (dim., 02 mai 2010) | 3 lines

  Issue #8533: Write tracebacks and failed tests to sys.stderr instead of
  sys.stdout to avoid UnicodeEncodeError (use backslashreplace error handler)
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  r80703 | victor.stinner | 2010-05-02 19:24:51 +0200 (dim., 02 mai 2010) | 4 lines

  Issue #8533: revert r80694; try a different fix: regrtest uses backslashreplace
  error handler for stdout to avoid UnicodeEncodeError (write non-ASCII character
  to stdout using ASCII encoding)
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