Quote:
Originally Posted by dgatwood
The key, IMO, whether you're designing for EPUB 2 or EPUB 3, is to design content in a way that degrades gracefully. If the specification you're designing for doesn't mandate support for a CSS feature that you want to use, you must make certain that your book still looks acceptable in readers that don't support that feature.
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That's the whole point.
Nobody will do this, intentionally or non-intentionally.
The editors, because this would cause a tremendous workload (imagine testing the book on many devices) in a business that is not a money fountain anyway.
The manufacturers because they want to sell the newest model, not to support the old ones (lost money twice: once for support, twice for preventing the sales of the new ones).
See how fast HDTV TV-sets with no HDMI disappeared from the homes? Put something incompatible with the older generations, then make that thing be unavoidable (or desired) and bingo, people will bring themselves the old gear to the dumpster
