Mixed manually-numbered, anonymous auto-numbered,
and labelled auto-numbered footnotes:

[*]_ should be first, [*]_ should be second,
[*]_ should be third, 
[*]_ should be fourth.

.. [*] Auto-symbol footnote 1.
.. [*] Auto-symbol footnote 2.
.. [*] Auto-symbol footnote 3.
.. [*] Auto-symbol footnote 4.
.. [*] Auto-symbol footnote 5.
.. [*] Auto-symbol footnote 6.
.. [*] Auto-symbol footnote 7.
.. [*] Auto-symbol footnote 8.
.. [*] Auto-symbol footnote 9.
.. [*] Auto-symbol footnote 10.
.. [*] Auto-symbol footnote 11.
.. [*] Auto-symbol footnote 12.
.. [*] Auto-symbol footnote 13.
.. [*] Auto-symbol footnote 14.
.. [*] Auto-symbol footnote 15.
.. [*] Auto-symbol footnote 16.