Re: CSS3, Unicode BIDI, and Vertical Text Layout

From: fantasai (
Date: Wed Oct 20 2004 - 15:16:03 CST

  • Next message: Jonathan Coxhead: "Re: CSS3, Unicode BIDI, and Vertical Text Layout"

    Jony Rosenne wrote:
    > I'm not sure I understand.
    > In my understanding, there is no interaction between bidi and vertical text.
    > Whether you write rtl text top to bottom or bottom to top has nothing to do
    > with bidi. When you mix rtl and ltr you would normally continue writing them
    > in logical order when you write ttb or btt. Rtl and ltr are only meaningful
    > in horizontal writing.

    It depends on how you are typesetting the text. See, for example,
    where the Arabic goes bottom-to-top and the Latin from top-to-bottom.

    BIDI should also control how a mixture of vertical Japanese and Ogham would be
    handled. (Admittedly that's a rather obscure combination, though.)



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