Zope.publisher

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- Fix error when no charset matches form data and HTTP_ACCEPT_CHARSET contains a ``*``.

- Add test convenience helper ``create_interaction`` and ``with interaction()``.

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- Upload a non-CRLF version to pypi.

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- Rename the ``tests`` extra to ``test``.

- Add a test for our own configure.zcml.

- Use UTF-8 as the charset if the browser does not set a header,
per W3C spec.

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- LP 131460: Make principal logging unicode safe.

- Remove use of string exceptions in tests, http://bugs.debian.org/585343

- Add ``IStartRequestEvent`` and ``StartRequestEvent`` for use in
``zope.app.publication`` (matching up with ``IEndRequestEvent`` and
``EndRequestEvent``). Includes refactoring to produce one definition of
'event with a request' - IRequestEvent.

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- LP 209440: Don't obscure original exception when handling retries
in ``publish.publish()`` with ``handleErrors == False``. This change
makes debugging such exception in unit tests easier.
Thanks to James Henstridge for the patch.

- LP 98395: allow unicode output of XML content whose mimetype does not
begin with ``text/``, per RFC 3023 as well as for content types ending
in ``+xml`` such as Mozilla XUL's ``application/vnd+xml``. Thanks to
Justin Ryan for the patch.

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- Remove use of ``zope.testing.doctestunit`` in favor of stdlib's ``doctest``.

- Fix bug where xml-rpc requests would hang when served using
``paster.httpserver``.