Release 2.0.0 (2021-05-23)
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* Drop python-3.5 support
* Remove deprecated method: ``HTMLHelpBuilder.open_file()``
* #6685: htmlhelp builder should generate HTML4 docs instead of HTML5

Release 1.0.2 (2019-04-12)
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* #6229: htmlhelp builder generates invalid .hhc file

Release 1.0.1 (2019-02-15)
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* Remove debug print

Release 1.0.0 (2019-02-15)
==========================

* Initial release (copied from sphinx package)
