Blocked revisions 76286 via svnmerge

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  r76286 | nick.coghlan | 2009-11-15 17:30:34 +1000 (Sun, 15 Nov 2009) | 1 line

  Issue #6816: expose the zipfile and directory execution mechanism to Python code via the runpy module. Also consolidated some script execution functionality in the test harness into a helper module and removed some implementation details from the runpy module documentation.
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