order to actually test what it was supposed to test, i.e. that the code
in the __del__ method did not crash.  Use instead the new helper
test_support.captured_output().

Turn them into unit tests, and correct an obvious typo:
    (("a", "b") ("c", "d") ("e", "f"))
compiles even with the missing commas, but does not execute very well...

made win32_chdir, win32_wchdir static.

svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

........
  r66805 | benjamin.peterson | 2008-10-04 20:11:02 -0500 (Sat, 04 Oct 2008) | 1 line

  mention what the fixes directory is for
........
  r66841 | benjamin.peterson | 2008-10-07 17:48:12 -0500 (Tue, 07 Oct 2008) | 1 line

  use assertFalse and assertTrue
........
  r66860 | benjamin.peterson | 2008-10-08 16:05:07 -0500 (Wed, 08 Oct 2008) | 1 line

  instead of abusing the pattern matcher, use start_tree to find a next binding
........
  r66884 | benjamin.peterson | 2008-10-13 15:50:30 -0500 (Mon, 13 Oct 2008) | 1 line

  don't print tokens to stdout when -v is given
........
  r66885 | benjamin.peterson | 2008-10-13 16:28:57 -0500 (Mon, 13 Oct 2008) | 1 line

  add the -x option to disable fixers
........
  r66886 | benjamin.peterson | 2008-10-13 16:33:53 -0500 (Mon, 13 Oct 2008) | 1 line

  cut down on some crud
........
  r66893 | benjamin.peterson | 2008-10-14 17:16:54 -0500 (Tue, 14 Oct 2008) | 1 line

  add an optional set literal fixer
........
  r66907 | benjamin.peterson | 2008-10-15 16:59:41 -0500 (Wed, 15 Oct 2008) | 1 line

  don't write backup files by default
........
  r66910 | benjamin.peterson | 2008-10-15 17:43:10 -0500 (Wed, 15 Oct 2008) | 1 line

  add the -n option; it stops backupfiles from being written
........