Merged revisions 67384,67386-67387,67389-67390,67392,67399-67400,67403-67405,67426 via svnmerge from
svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

........
  r67384 | benjamin.peterson | 2008-11-25 16:13:31 -0600 (Tue, 25 Nov 2008) | 4 lines

  don't duplicate calls to start_tree()

  RefactoringTool.pre_order values now holds a list of the fixers while pre_order_mapping holds the dict.
........
  r67386 | benjamin.peterson | 2008-11-25 16:44:52 -0600 (Tue, 25 Nov 2008) | 1 line

  #4423 fix_imports was still replacing usage of a module if attributes were being used
........
  r67387 | benjamin.peterson | 2008-11-25 16:47:54 -0600 (Tue, 25 Nov 2008) | 1 line

  fix broken test
........
  r67389 | benjamin.peterson | 2008-11-25 17:13:17 -0600 (Tue, 25 Nov 2008) | 1 line

  remove compatibility code; we only cater to 2.5+
........
  r67390 | benjamin.peterson | 2008-11-25 22:03:36 -0600 (Tue, 25 Nov 2008) | 1 line

  fix #3994; the usage of changed imports was fixed in nested cases
........
  r67392 | benjamin.peterson | 2008-11-26 11:11:40 -0600 (Wed, 26 Nov 2008) | 1 line

  simpilfy and comment fix_imports
........
  r67399 | benjamin.peterson | 2008-11-26 11:47:03 -0600 (Wed, 26 Nov 2008) | 1 line

  remove more compatibility code
........
  r67400 | benjamin.peterson | 2008-11-26 12:07:41 -0600 (Wed, 26 Nov 2008) | 1 line

  set svn:ignore
........
  r67403 | benjamin.peterson | 2008-11-26 13:11:11 -0600 (Wed, 26 Nov 2008) | 1 line

  wrap import
........
  r67404 | benjamin.peterson | 2008-11-26 13:29:49 -0600 (Wed, 26 Nov 2008) | 1 line

  build the fix_imports pattern in compile_pattern, so MAPPING can be changed and reflected in the pattern
........
  r67405 | benjamin.peterson | 2008-11-26 14:01:24 -0600 (Wed, 26 Nov 2008) | 1 line

  stop ugly messages about runtime errors being from printed
........
  r67426 | benjamin.peterson | 2008-11-28 16:01:40 -0600 (Fri, 28 Nov 2008) | 5 lines

  don't replace a module name if it is in the middle of a attribute lookup

  This fix also stops module names from being replaced if they are not in an attribute lookup.
........