2017-04-20 0:10 GMT+09:00 Daniel Glazman <
daniel.glazman@disruptive-innovations.com>:
> I'm not sure the weight of the needed Test Suites and
> the work to collect Implementation Reports is correctly estimated
> by everyone here. Without them, no REC.
>
> CSS Writing Modes is still a CR, although implementations of
vertical writing in CSS started in 2010. I know that the Japanese
government has spent some money for encouraging
implementations and test suites. I guess that EPUB4 will need
more time.
Regards,
Makoto