                  auto_field = IntegerField(read_only=True)
                  big_integer_field = IntegerField()
                  boolean_field = BooleanField(required=False)
                  char_field = CharField(max_length=100)
                  comma_seperated_integer_field = CharField(max_length=100, validators=[<django.core.validators.RegexValidator object>])
                  date_field = DateField()
                  datetime_field = DateTimeField()
                  decimal_field = DecimalField(decimal_places=1, max_digits=3)
                  email_field = EmailField(max_length=100)
                  float_field = FloatField()
 
</s> remove     comma_seperated_integer_field = models.CommaSeparatedIntegerField(max_length=100)
 </s> add     comma_separated_integer_field = models.CommaSeparatedIntegerField(max_length=100) </s> remove     # Allow dependancy injection of other settings to make testing easier.
 </s> add     # Allow dependency injection of other settings to make testing easier. </s> remove         # We include these simply for dependancy injection in tests.
 </s> add         # We include these simply for dependency injection in tests. </s> remove This would now be split out into two seperate methods.
 </s> add This would now be split out into two separate methods. </s> remove It's simple to create a read-only serializer for converting `HighScore` instances into primative data types.
 </s> add It's simple to create a read-only serializer for converting `HighScore` instances into primitive data types.
                comma_separated_integer_field = CharField(max_length=100, validators=[<django.core.validators.RegexValidator object>])
                  auto_field = IntegerField(read_only=True)
                  big_integer_field = IntegerField()
                  boolean_field = BooleanField(required=False)
                  char_field = CharField(max_length=100)
                comma_separated_integer_field = CharField(max_length=100, validators=[<django.core.validators.RegexValidator object>])
                  date_field = DateField()
                  datetime_field = DateTimeField()
                  decimal_field = DecimalField(decimal_places=1, max_digits=3)
                  email_field = EmailField(max_length=100)
                  float_field = FloatField()
keep keep keep keep replace keep keep keep keep keep
 Minor: fix spelling and grammar, mostly in 3.0 announcement 
tests/test_model_serializer.py