Fixed -- Added note about supplying missing values for non-nullable fields with blank=True.
@@ -73,6 +73,12 @@ purely database-related, whereas :attr:`~Field.blank` is validation-related. If
a field has ``blank=True``, form validation will allow entry of an empty value.
If a field has ``blank=False``, the field will be required.
+.. admonition:: Supplying missing values
+
+ ``blank=True`` can be used with fields having ``null=False``, but this will
+ require implementing :meth:`~django.db.models.Model.clean` on the model in
+ order to programmatically supply any missing values.
+
.. _field-choices:
``choices``
