> if you render mixed CJK text in (say) a Japanese font, any characters that don't appear in Japanese won't render at all. In theory, yes, but that almost neve

> if you render mixed CJK text in (say) a Japanese font, any characters that don't appear in Japanese won't render at all. In theory, yes, but that almost never happens. What really happens is that any missing characters will fall back to a different font, so the text is legible but looks terrible from an aesthetic point of view.