t behavior. Defaults to
    ``env.policies["urlize.extra_schemes"]``, which defaults to no
    extra schemes.

.. versionchanged:: 3.0
    The ``extra_schemes`` parameter was added.

.. versionchanged:: 3.0
    Generate ``https://`` links for URLs without a scheme.

.. versionchanged:: 3.0
    The parsing rules were updated. Recognize email addresses with
    or without the ``mailto:`` scheme. Validate IP addresses. Ignore
    parentheses and brackets in more cases.

.. versionchanged:: 2.8
   The ``target`` parameter was added.
r—