docs start for formset/inline support

docs/admin.rst

@@ -57,10 +57,12 @@ use the ``base_form`` and ``base_fieldsets`` instead. The ``PolymorphicChildMode
 automatically detect the additional fields that the child model has, display those in a separate fieldset.
 
 
-Polymorphic Inlines
--------------------
+Using polymorphic models in standard inlines
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-To add a polymorphic child model as an Inline for another model, add a field to the inline's readonly_fields list formed by the lowercased name of the polymorphic parent model with the string "_ptr" appended to it. Otherwise, trying to save that model in the admin will raise an AttributeError with the message "can't set attribute".
+To add a polymorphic child model as an Inline for another model, add a field to the inline's ``readonly_fields`` list
+formed by the lowercased name of the polymorphic parent model with the string ``_ptr`` appended to it.
+Otherwise, trying to save that model in the admin will raise an AttributeError with the message "can't set attribute".
 
 
 .. _admin-example:

docs/formsets.rst

@@ -0,0 +1,12 @@
+Formsets
+========
+
+Polymorphic models can be used in formsets.
+
+Use the :func:`polymorphic.formsets.polymorphic_inlineformset_factory` function to generate the formset.
+As extra parameter, the factory needs to know how to display the child models.
+Provide a list of :class:`polymorphic.formsets.PolymorphicFormSetChild` objects for this
+
+.. code-block:: python
+
+    from polymorphic.formsets import polymorphic_child_forms_factory

docs/index.rst

@@ -49,6 +49,7 @@ Getting started
 
    quickstart
    admin
+   formsets
    performance
 
 Advanced topics