Table Expansion / Contraction Button
Hi,
In some Kindle ebooks, I noticed that there is an arrow button beneath the tables which the reader could click on it to expand or contract the tabular contents. I tried to create a book from HTML to AZW3 but the tables do not have those buttons.
May I know how to make those buttons appear on my book? Is there an option to do so?
Many thanks!
QQK
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