'slug': SlugNullField(unique=True, db_index=True, null=True, blank=True),
'title': models.CharField(_('title'), max_length=255, null=True, blank=True),
'lead': TextileField(
'slug': SlugNullField(unique=True, db_index=True, null=True, blank=True),
'title': models.CharField(_('title'), max_length=255, null=True, blank=True),
'lead': TextileField(