in ``django/conf/urls/defaults.py``, ``handler404`` is set to
:func:`django.views.defaults.page_not_found` by default.
Three more things to note about 404 views:
+ more things to note about 404 views:
* If :setting:`DEBUG` is set to ``True`` (in your settings module) then your
404 view will never be used (and thus the ``404.html`` template will never