Xlsxwriter

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* Fix handling of ``'num_format': '0'`` in duplicate formats. :issue:`584`.

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* Fix for issue where ``in_memory`` files weren't compressed. :issue:`573`.

* Fix ``write()`` so that it handles array formulas as documented.
:issue:`418`.

* Fix for issue with special characters in worksheet table functions.
:issue:`442`.

* Added warnings for input issues in :func:`write_rich_string()` such as blank
strings, double formats or insufficient parameters. :issue:`425`.

---------------------------------

* Added comment font name and size options. :issue:`201`.

* Fix for issue when using text boxes in the same workbook as a chartsheet.
:issue:`420`.

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* Added functionality to align chart category axis labels. See the
``label_align`` property of the :func:`set_x_axis()` method.

* Added worksheet :func:`hide_row_col_headers()` method to turn off worksheet
row and column headings. :issue:`480`.

* Added the :func:`set_tab_ratio()` method to set the ratio between the
worksheet tabs and the horizontal slider. :issue:`481`.

* Fixed issue with icon conditional formats when the values were zero.
:issue:`565`.

------------------------------

* Fix for issue with formulas quoted as strings in conditional formats,
introduced in version 1.0.7. :issue:`564`.

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* Added named exceptions to XlsxWriter. See :ref:`exceptions`.

* Removed the implicit :func:`close()` in the destructor since it wasn't
guaranteed to work correctly and raised a confusing exception when any other
exception was triggered. **Note that this is a backward incompatible
change.** The ``with`` context manager is a better way to close
automatically, see :func:`close()`.

* Added border, fill, pattern and gradient formatting options to
:func:`set_legend()`. :issue:`545`.

* Added ``top_right`` position to :func:`set_legend()`. :issue:`537`.