Fixed #6265 -- Added an example of overriding a form field's default widget in the modelforms docs, based on patch from programmerq.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7036 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/modelforms.txt

@@ -17,7 +17,7 @@ class from a Django model.
 For example::
 
     >>> from django.newforms import ModelForm
-    
+
     # Create the form class.
     >>> class ArticleForm(ModelForm):
     ...     class Meta:
@@ -278,7 +278,7 @@ model fields:
     To avoid this failure, you must instantiate your model with initial values
     for the missing, but required fields, or use ``save(commit=False)`` and
     manually set any extra required fields::
-    
+
         instance = Instance(required_field='value')
         form = InstanceForm(request.POST, instance=instance)
         new_instance = form.save()
@@ -311,3 +311,12 @@ field, you could do the following::
     ...
     ...     class Meta:
     ...         model = Article
+
+If you want to override a field's default widget, then specify the ``widget``
+parameter when declaring the form field::
+
+   >>> class ArticleForm(ModelForm):
+   ...     pub_date = DateField(widget=MyDateWidget())
+   ...
+   ...     class Meta:
+   ...         model = Article