All styles have export tags
This check flags when Paragraph Styles in the InDesign document do not have an export tag applied.
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In InDesign, export tags control how Paragraph Styles are mapped to the document tags used in EPUB and HTML and in PDFs. Using export tags clarifies the structure of a document for accessibility purposes but has no visible effect on the exported file.
To map Paragraph Styles to document tags choose Paragraph Styles panel menu > Edit All Export Tags... To the right of each Paragraph Style you can choose between [Automatic] or a specific Tag to map it to – e.g. ‘h2’.
