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- Add support for Python 3.11.
- Drop support for Python 2.7, 3.5, 3.6.
- Add support for Python 3.10.
- Add ``nav`` to the list of HTML block level elements.
(`18 <https://github.com/zopefoundation/zope.tal/pull/18>`_)
- Remove ``.talgettext.UpdatePOEngine`` and the ability to call
``zope/tal/talgettext.py`` (main function). The code was broken and unused.
- Remove support to run the tests using deprecated ``python setup.py test``.