blank=False on the underlying model field during model form clean, in order to maintain backward compatibility. Thanks to saxon75 for the report. git-svn-id: http://code.djangoproject.com/svn/django/trunk@12802 bcc190cf-cafb-0310-a4f2-bffc1f526a37
git-svn-id: http://code.djangoproject.com/svn/django/trunk@12797 bcc190cf-cafb-0310-a4f2-bffc1f526a37