Re: Greek Extended: question: missing glyphs?

From: John Hudson (
Date: Tue Apr 30 2002 - 21:52:34 EDT

At 18:21 4/30/2002, John Cowan wrote:

>Otherwise, the smooth breathing upsilons will have to be created
>by superimposing the combining character glyphs, which will be
>lower quality than the glyphs representing the precomposed

Not necessarily. The precise positioning of marks can be controlled using
glyph positioning lookups (in combination with contextual substitutions if
particular forms of marks are favoured, say different forms for upper- and
lowercase letters). However, I agree that in the case of polytonic Greek,
given the relatively small number of unencoded glyphs that would be
required, it makes more sense to use ligature substitutions.

John Hudson

Tiro Typeworks
Vancouver, BC

If meaning is inherently public and rule-governed, then the
fact that I can't read 'Treasure Island' without visualising
Long John Silver as a one-legged version of my grandmother
is of interest only to my psychotherapist and myself.
                                                   Terry Eagleton

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