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Changes between Initial Version and Version 1 of Ticket #35594

-              initial
+              v1
 {{{
 class Book(models.Model):
     name = CharField(max_length=255, null=True)
+    name = CharField(max_length=255, null=True, blank=True)
     class Meta:
 …
 > book = Book(name=None)
 > book.full_clean() # Should raise a `ValidationError` but doesn't.
 > book.save()  # The database raises an `IntegrityError`.
+> book.save()  # The database raises a `UniqueViolation`.
 }}}