Fixed #10845 -- Clarified the examples for using ModelForms with fields or exclude specified. Thanks to Andrew Durdin for the suggestion.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10972 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/topics/forms/modelforms.txt

@@ -323,16 +323,19 @@ Since the Author model has only 3 fields, 'name', 'title', and
     to be empty, and does not provide a default value for the missing fields,
     any attempt to ``save()`` a ``ModelForm`` with missing fields will fail.
     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::
+    for the missing, but required fields::
 
-        instance = Instance(required_field='value')
-        form = InstanceForm(request.POST, instance=instance)
-        new_instance = form.save()
+        author = Author(title='Mr')
+        form = PartialAuthorForm(request.POST, instance=author)
+        form.save()
 
-        instance = form.save(commit=False)
-        instance.required_field = 'new value'
-        new_instance = instance.save()
+    Alternatively, you can use ``save(commit=False)`` and manually set
+    any extra required fields::
+
+        form = PartialAuthorForm(request.POST)
+        author = form.save(commit=False)
+        author.title = 'Mr'
+        author.save()
 
     See the `section on saving forms`_ for more details on using
     ``save(commit=False)``.