Matt Garrish

Looking at this again, I remember now the problem we were trying to solve by having audio and video separately checked - we don't want to classify braille as not...

> Maybe the time is now to decide the best way to express that in our current metadata and the necessary terms. Right, we added synchronizedAudioText as a feature, but...

> If we had an object model (let's say JSON), we would simply add this information under `narrator` alongside a `name`. Dare to dream! 😉 I'm sure we could always...

> What this boils down to, I believe, is that this is entirely a question of individual EPUB Reading System implementation. Not entirely, I wouldn't think. To the best of...

I was just double-checking and we do have an exemption for script data files, but that's not quite what this is. The files might sneak through epubcheck that way since...

> I think that case is covered in https://www.w3.org/TR/epub-33/#sec-exempt-resources That's what has me a bit confused. If you fetched another js script and wrote a script tag, that exception wouldn't...

> Or some type of portable document format that could be displayed in a viewer inside of an EPUB content document with no fallback required. I think you're going too...

> But any type of file can be loaded and displayed via JS Could you give a specific example of how this would work? A script presumably has to write...

> For example, PDF.js doesn't take PDF and turn it into an HTML document and load it, it directly renders PDF into a canvas element. Right, that's what I mentioned...

> What would this do to the Accessibility DOM the screen readers access? I don't know the inner working of pdf.js, but from what I've read they do preserve a...