Split the monstrous C API manual files in smaller parts.
diff --git a/Doc/c-api/descriptor.rst b/Doc/c-api/descriptor.rst
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+.. highlightlang:: c
+
+.. _descriptor-objects:
+
+Descriptor Objects
+------------------
+
+"Descriptors" are objects that describe some attribute of an object. They are
+found in the dictionary of type objects.
+
+
+.. cvar:: PyTypeObject PyProperty_Type
+
+ The type object for the built-in descriptor types.
+
+ .. versionadded:: 2.2
+
+
+.. cfunction:: PyObject* PyDescr_NewGetSet(PyTypeObject *type, struct PyGetSetDef *getset)
+
+ .. versionadded:: 2.2
+
+
+.. cfunction:: PyObject* PyDescr_NewMember(PyTypeObject *type, struct PyMemberDef *meth)
+
+ .. versionadded:: 2.2
+
+
+.. cfunction:: PyObject* PyDescr_NewMethod(PyTypeObject *type, struct PyMethodDef *meth)
+
+ .. versionadded:: 2.2
+
+
+.. cfunction:: PyObject* PyDescr_NewWrapper(PyTypeObject *type, struct wrapperbase *wrapper, void *wrapped)
+
+ .. versionadded:: 2.2
+
+
+.. cfunction:: PyObject* PyDescr_NewClassMethod(PyTypeObject *type, PyMethodDef *method)
+
+ .. versionadded:: 2.3
+
+
+.. cfunction:: int PyDescr_IsData(PyObject *descr)
+
+ Return true if the descriptor objects *descr* describes a data attribute, or
+ false if it describes a method. *descr* must be a descriptor object; there is
+ no error checking.
+
+ .. versionadded:: 2.2
+
+
+.. cfunction:: PyObject* PyWrapper_New(PyObject *, PyObject *)
+
+ .. versionadded:: 2.2