Bleach

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* ``linkify()`` now understands port numbers. (38)

* Documented character encoding behavior. (41)

* Add an optional target argument to ``linkify()``.

* Add ``delinkify()`` method. (45)

* Support subdomain whitelist for ``delinkify()``. (47, 48)

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* Switch to SemVer git tags.

* Make ``linkify()`` smarter about trailing punctuation. (30)

* Pass ``exc_info`` to logger during rendering issues.

* Add wildcard key for attributes. (19)

* Make ``linkify()`` use the ``HTMLSanitizer`` tokenizer. (36)

* Fix URLs wrapped in parentheses. (23)

* Make ``linkify()`` UTF-8 safe. (33)

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* ``linkify()`` works with 3rd level domains. (24)

* ``clean()`` supports vendor prefixes in style values. (31, 32)

* Fix ``linkify()`` email escaping.

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* ``linkify()`` supports email addresses.

* ``clean()`` supports callables in attributes filter.

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* ``linkify()`` doesn't drop trailing slashes. (21)
* ``linkify()`` won't linkify 'libgl.so.1'. (22)