[charter] statement on EPUB4

The charter draft [1]  contains this sentence on EPUB 4:

> This specification defines a profile of Packaged Web Publications that
>delivers a higher degree
> of comprehensive accessibility capabilities and reliability.
> This specification should be as close as possible to a strict functional
>superset of EPUB 3.1,
> with incompatibilities minimized.

What does ³incompatibilities minimized² mean? For a concrete example,
would using the HTML serialization be ok for EPUB4? Would it have to use
exactly the same packaging mechanism?

I would hope that all profiles of web publications would be reliable and
comprehensively accessible.

More generally, Iım wary of defining restrictions like this at such an
early stage. What is this statement trying to accomplish?

Thanks,

Dave Cramer

[1] https://rawgit.com/w3c/dpubwg-charter/a11y-core/index.html

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Received on Tuesday, 14 February 2017 12:55:06 UTC