Error noted in email to python-docs: PyObject corresponds to

PyObject_HEAD, not PyObject_VAR_HEAD.

Doc/api/newtypes.tex

@@ -148,7 +148,7 @@ Python objects.
   object as an object.  In a normal ``release'' build, it contains
   only the objects reference count and a pointer to the corresponding
   type object.  It corresponds to the fields defined by the
-  expansion of the \code{PyObject_VAR_HEAD} macro.
+  expansion of the \code{PyObject_HEAD} macro.
 \end{ctypedesc}
 
 \begin{ctypedesc}{PyVarObject}