Re: Rendering of sequences containing double diacritic (was Re: Bantu click letters)

From: John Hudson (tiro@tiro.com)
Date: Fri Jun 11 2004 - 10:51:46 CDT

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    Bob_Hallissy@sil.org wrote:

    >>Even with OpenType experimental support here, my display looks like
    >>the GIF you sent. I'll try fixing this,

    > Um, good luck. I am not sure it is possible to correctly position
    > double-diacritics with OpenType logic. Specifically, the vertical position
    > of the double-diacritic must be adjusted so that it is above the *taller*
    > of the preceding and following combining sequence. AFAIK, such logic isn't
    > feasible in OpenType.

    You could handle it fairly easily by contextually substituting a glyph variant of the
    double-diacritic at a different height.

    John Hudson 

    -- 
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