Quote:
Originally Posted by Zillion_
Hello, I have an issue trying to use :has() pseudo-class selectors in e-books.
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Calibre supports them correctly for the display in the editor (text displays correctly, tested with some color tags) but the conversion doesn't.
Is this an issue in Calibre or in KFX Output ? (unclear to me)
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For KFX supported attributes and tags, have you looked at the
Attributes and Tags Supported by Enhanced Typesetting page in the appendices to the Amazon's Kindle Publishing Guidelines?
You can also check the
HTML and CSS Tags Supported in Kindle Format 8 in the same document.
As far as I am aware, ePub3 added support for :has in version 3.3 when CSS support was updated to Selectors Level 4. IRL, that translates to most support other than Apple's Books and Kobo's apps and proprietary renderer is poor to non-existent.
calibre's ebook viewer is Chromium browser based and a very poor choice for testing what output will look like on an ereader. For the most part, I find using a couple of apps and physical devices is the best way to test before publishing.