Fix some style guide issues: keyword arguments are supposed to always be
supplied using the keyword argument name=value.
http://code.google.com/p/soc/wiki/PythonStyleGuide#Default_Argument_Values
# coding: utf-8
r"""
>>> from django.contrib.comments.models import Comment
>>> from django.contrib.auth.models import User
>>> u = User.objects.create_user('commenttestuser', 'commenttest@example.com', 'testpw')
>>> c = Comment(user=u, comment=u'\xe2')
>>> c
<Comment: commenttestuser: â...>
>>> print c
commenttestuser: â...
"""