    ``name`` of each radio button is ``"choice"``. That means, when somebody
    selects one of the radio buttons and submits the form, it'll send the
    POST data ``choice=3``. This is HTML Forms 101.
  
  * We set the form's ``action`` to ``/polls/{{ poll.id }}/vote/``, and we
    set ``method="post"``. Using ``method="post"`` (as opposed to
    ``method="get"``) is very important, because the act of submitting this
    form will alter data server-side. Whenever you create a form that alters
    data server-side, use ``method="post"``. This tip isn't specific to
    Django; it's just good Web development practice.
 
</s> remove * We've added a name, ``poll_results``, to the results view so
  that we have a way to refer to its URL later on (see the
 </s> add * We've added the ``name`` argument to the views (e.g. ``name='poll_results'``)
  so that we have a way to refer to their URL later on (see the </s> remove     <a href="/polls/{{ poll.id }}/">Vote again?</a>
 </s> add     <a href="{% url 'polls.views.detail' poll.id %}">Vote again?</a> </s> remove     <form action="/polls/{{ poll.id }}/vote/" method="post">
 </s> add     <form action="{% url 'polls.views.vote' poll.id %}" method="post"> </s> remove                 template_name='polls/detail.html')),
 </s> add                 template_name='polls/detail.html'),
            name='poll_detail'),
* We set the form's ``action`` to ``{% url 'polls.views.vote' poll.id %}``, and we
    ``name`` of each radio button is ``"choice"``. That means, when somebody
    selects one of the radio buttons and submits the form, it'll send the
    POST data ``choice=3``. This is HTML Forms 101.
  
* We set the form's ``action`` to ``{% url 'polls.views.vote' poll.id %}``, and we
    set ``method="post"``. Using ``method="post"`` (as opposed to
    ``method="get"``) is very important, because the act of submitting this
    form will alter data server-side. Whenever you create a form that alters
    data server-side, use ``method="post"``. This tip isn't specific to
    Django; it's just good Web development practice.
keep keep keep keep replace keep keep keep keep keep
 Fixed #18476 - Added use of {% url %} tag to tutorial.

Thanks Claude Paroz for the patch. 
docs/intro/tutorial04.txt