Quote:
Originally Posted by JSWolf
If you are coding for ePub2 backward comparability and if you want your eBook to be read on a Kobo, then you have to use % and not vh or rem as Kobo is using a version 3 RMSDK which is old and not ePub3 compatible.
When you code for backwards comparability, you have to assume that ePub3 specific features may not work.
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I was really just wondering if vh doesn't actually work in RMSDK…
Having a fallback solution is easy enough to implement.
It’s not as if ePub3s shoulnd't exist because Kobo won’t support that format and keeps using a decade old renderer. They can only get away with this because so many publishers keep their epubs backwards compatible. The pressure to fix this is way too low.
On the Tolino Shine 5, using vh is the only way I can make full page images work (at least without switching back to the ancient RMSDK). Setting html and body to 100% height won't do the trick. It will still display a line of text under a 100% height SVG, so it seems their renderer for some reason
requires an ePub3-compatible solution.