Index: tests/regressiontests/forms/tests.py
===================================================================
--- tests/regressiontests/forms/tests.py	(revision 4193)
+++ tests/regressiontests/forms/tests.py	(working copy)
@@ -1672,6 +1672,23 @@
 <li><label><input checked="checked" type="checkbox" name="composers" value="P" /> Paul McCartney</label></li>
 </ul>
 
+>>> data = dict(name='Yesterday', composers=['J', 'P'])
+>>> f = SongForm(data)
+>>> f.errors
+{}
+
+>>> from django.http import QueryDict
+>>> data = QueryDict('name=Yesterday&composers=J&composers=P')
+>>> f = SongForm(data)
+>>> f.errors
+{}
+
+>>> from django.utils.datastructures import MultiValueDict
+>>> data = MultiValueDict(dict(name='Yesterday', composers=['J', 'P']))
+>>> f = SongForm(data)
+>>> f.errors
+{}
+
 When using CheckboxSelectMultiple, the framework expects a list of input and
 returns a list of input.
 >>> f = SongForm({'name': 'Yesterday'}, auto_id=False)