Re: vertical direction control

From: Michael Everson (everson@evertype.com)
Date: Wed Mar 24 2004 - 09:09:11 EST

  • Next message: Michael Everson: "RE: vertical direction control"

    At 14:49 +0100 2004-03-24, Chris Jacobs wrote:
    > > It seems strangely inconsistent to me that Unicode has detailed controls
    >> for horizontal layout direction and the complex bidi algorithm, but has
    >> nothing for vertical layout. I can force Latin text to be rendered right
    >> to left or Hebrew left to right (although such overrides are hardly
    >> plain text issues), but there is no way I can select vertical layout
    >> even for languages in which that is a normal way of writing. We already
    >> have U+202A LEFT-TO-RIGHT EMBEDDING and U+202B RIGHT-TO-LEFT EMBEDDING.
    >> It would be easy to define new characters TOP-TO-BOTTOM EMBEDDING and
    >> BOTTOM-TO-TOP EMBEDDING, with similar scope until the next PDF
    >> character.
    >
    >Which scripts are written bottom to top in vertical layout?

    Ogham and sometimes Tifinagh.

    -- 
    Michael Everson * * Everson Typography *  * http://www.evertype.com
    


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