Merged revisions 69188 via svnmerge from

Merged revisions 69188 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r69188 | mark.dickinson | 2009-02-01 13:59:22 +0000 (Sun, 01 Feb 2009) | 6 lines

  Issue #1717, continued:  remove PyObject_Compare and Py_CmpToRich declarations
  from object.h; don't inherit tp_compare slot on subclasses; and raise TypeError
  when initializing a type that has a nonzero tp_compare slot.  Fix up
  comparison-related comments in object.c and code.h.
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