Merged revisions 70218-70219 via svnmerge from

Merged revisions 70218-70219 via svnmerge from
svn+ssh://pythondev/python/trunk

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  r70218 | guilherme.polo | 2009-03-06 22:19:12 -0300 (Fri, 06 Mar 2009) | 1 line

  Fixed issue #5193: Guarantee that Tkinter.Text.search returns a string.
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  r70219 | guilherme.polo | 2009-03-06 22:47:49 -0300 (Fri, 06 Mar 2009) | 4 lines

  Fixed issue #4792: Prevent a segfault in _tkinter by using the
  guaranteed to be safe interp argument given to the PythonCmd in place
  of the Tcl interpreter taken from a PythonCmd_ClientData.
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