Fixed #7417 -- Fixed ReST error in do_if() docstring. Thanks, Richard Bell...

def do_if(parser, token):

    """

    The ``{% if %}`` tag evaluates a variable, and if that variable is "true"

    (i.e. exists, is not empty, and is not a false boolean value) the contents

    of the block are output::

    (i.e., exists, is not empty, and is not a false boolean value), the

    contents of the block are output:

    ::

        {% if athlete_list %}

            Number of athletes: {{ athlete_list|count }}