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Released on 2013-07-16.
Fix `15 <https://github.com/SimonSapin/cairocffi/pull/15>`_:
Work around `CFFI bug 92 <https://bitbucket.org/cffi/cffi/issue/92/>`_
that caused memory leaks when file-like ``target`` objects
are passed to :meth:`Surface.write_to_png`, :class:`PDFSurface`,
:class:`PSSurface` and :class:`SVGSurface`.