theme. These are theme-specific. For the options understood by the builtin
themes, see :ref:`this section <builtin-themes>`.
The title of the document. It defaults to the :confval:`html_title` option
to use this option. The default value is ``False`` because the automatic
conversion may lose information.
.. confval:: epub_max_image_width
This option specifies the maximum width of images. If it is set to a value
value is ``0``. You need the Python Image Library (PIL) installed to use