From: Michael Everson (firstname.lastname@example.org)
Date: Sun Dec 02 2007 - 04:39:52 CST
At 10:14 +0000 2007-12-02, Charles wrote:
>Michael Everson wrote:
> >2. U+0313 cannot be used for the Egyptological Yod because its case
> >behaviour in Greek does not apply to Latin or Cyrillic. In Latin and
> >Cyrillic, U+0313 sits atop both uppercase and lowercase letters. This
> >happens in natural orthographies for minority languages.
>The same could be argued for U+0301 yet this already serves as the acute
>accent when used with Latin script, positioned above capital letters, and as
>the tonos or oxia accent when used with Greek script, positioned to the left
>of capital letters. Similarly U+0300 serves both as the Latin acute accent
>and the Greek varia accent. These combining marks also behave differently
>when used for Vietnamese. Script/Language dependent behaviour of combining
>accents is already a feature of Unicode, so U+0313 should be able to
>function as both the Greek spiritus lenis and as a diacritic for composing
>the Egyptological Yod when used with Latin script.
You have not understood.
u+0301 and U+0313 both sit in front of capital Greek letters and atop
small Greek letters.
u+0301 and U+0313 both sit atop capital and small Latin letters.
The required behaviour is for something like U+0313 to sit in front
of capital Latain letters and atop small Latin letters. U+0313 can't
do that, since it already has a behaviour in Latin.
Language-tagging for "Egyptological transliteration" is not, I think,
an option. The proposed solution, to use U+0486, works quite well.
-- Michael Everson * http://www.evertype.com
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