Re: Vertical writing

From: Frédéric Grosshans (frederic.grosshans@m4x.org)
Date: Thu May 19 2011 - 10:45:56 CDT

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    Le mercredi 18 mai 2011 à 10:38 -0700, Ken Whistler a écrit :
    > And IDS's are *not* markup for layout;
    > there is no expectation that a rendering implementation is expected to
    > parse an IDS and substitute an appropriately constructed CJK ideograph
    > glyph on the fly for display.

    The section 12.2 of the unicode standard 6.0 contains the following
    sentence (p412, paragraph "rendering") :
            An implementation may render a valid Ideographic Description
            Sequence either by rendering the individual characters
            separately or by parsing the Ideographic Description Sequence
            and drawing the ideograph so described.
            
    So "to parse an IDS and substitute an appropriately constructed CJK
    ideograph glyph on the fly for display" would not be totally unexpected.

            Frédéric



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