Sarmat89 wrote as part of a post:
Quote:
Originally Posted by Sarmat89
The XML format is not an issue, the problem is that the XML container hosts HTML content.
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I apologize for not completing my point, writing that XML might be an issue without explaining why I thought so. When I first read about XML one of the differences between HTML and XML is that HTML allows flawed tagging (such as an opening paragraph tag without the closing tag), while XML doesn't.
What stuck out to me from my reading is that an XML document must have absolutely no flaws in its tagging, and any flaws in the tagging would cause the XML document to fail. That was the reason it was supposed to be created by tools that could ensure that the resulting XML tagging is completely correct.
This could be the reason for the difficulties with EPUB ebooks. Not a flaw in the EPUB format itself but incorrect tagging. One way I think could help the situation is to have an EPUB subformat that is strictly an ebook format as an option (not supporting non-ebook features like video and audio), allowing a better focus on ebook formatting.