Merged revisions 56467-56482 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/p3yk

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  r56477 | martin.v.loewis | 2007-07-21 09:04:38 +0200 (Sa, 21 Jul 2007) | 11 lines

  Merged revisions 56466-56476 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r56476 | martin.v.loewis | 2007-07-21 08:55:02 +0200 (Sa, 21 Jul 2007) | 4 lines

    PEP 3123: Provide forward compatibility with Python 3.0, while keeping
    backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and
    PyVarObject_HEAD_INIT.
  ........
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  r56478 | martin.v.loewis | 2007-07-21 09:47:23 +0200 (Sa, 21 Jul 2007) | 2 lines

  PEP 3123: Use proper C inheritance for PyObject.
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  r56479 | martin.v.loewis | 2007-07-21 10:06:55 +0200 (Sa, 21 Jul 2007) | 3 lines

  Add longintrepr.h to Python.h, so that the compiler can
  see that PyFalse is really some kind of PyObject*.
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  r56480 | martin.v.loewis | 2007-07-21 10:47:18 +0200 (Sa, 21 Jul 2007) | 2 lines

  Qualify SHIFT, MASK, BASE.
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  r56482 | martin.v.loewis | 2007-07-21 19:10:57 +0200 (Sa, 21 Jul 2007) | 2 lines

  Correctly refer to _ob_next.
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diff --git a/Modules/pyexpat.c b/Modules/pyexpat.c
index c583edf..13c1d27 100644
--- a/Modules/pyexpat.c
+++ b/Modules/pyexpat.c
@@ -927,7 +927,7 @@
     if (!PyString_Check(str)) {
         PyErr_Format(PyExc_TypeError,
                      "read() did not return a string object (type=%.400s)",
-                     str->ob_type->tp_name);
+                     Py_Type(str)->tp_name);
         goto finally;
     }
     len = PyString_GET_SIZE(str);
@@ -1621,8 +1621,7 @@
 PyDoc_STRVAR(Xmlparsetype__doc__, "XML parser");
 
 static PyTypeObject Xmlparsetype = {
-	PyObject_HEAD_INIT(NULL)
-	0,				/*ob_size*/
+	PyVarObject_HEAD_INIT(NULL, 0)
 	"pyexpat.xmlparser",		/*tp_name*/
 	sizeof(xmlparseobject) + PyGC_HEAD_SIZE,/*tp_basicsize*/
 	0,				/*tp_itemsize*/
@@ -1790,7 +1789,7 @@
     if (modelmod_name == NULL)
         return;
 
-    Xmlparsetype.ob_type = &PyType_Type;
+    Py_Type(&Xmlparsetype) = &PyType_Type;
 
     /* Create the module and add the functions */
     m = Py_InitModule3(MODULE_NAME, pyexpat_methods,