> Awesome, Japan overcomes NIH syndrome for once. Maybe not. XMDF is the current dominant format for ebooks in Japan and the situation won't change shortly. X

> Awesome, Japan overcomes NIH syndrome for once. Maybe not. XMDF is the current dominant format for ebooks in Japan and the situation won't change shortly. XMDF has long history of supporting features specific to Japanese (vertical writing, ruby etc.) as well as DRM, while EPUB just has added support for vertical.