From: James Kass (firstname.lastname@example.org)
Date: Wed Jul 11 2007 - 17:48:15 CDT
Philippe Verdy asks,
> What is the difference between positioning a diacritic (like a Lao vowel)
> with a base dotted circle, and positioning the same diaciitic with another
> base symbol like a cross (or something else like a circle, square, dotted
> square, crossed hatch, horizontal stroke, or checkers grid)? ...
The difference is that the font/font engine needs to anticipate
that the combination will be desired. Please see attached graphic.
Without positioning rules, where should COMBINING CANDRABINDU go?
Does it make a little hat for our guy? Should it be centered, or
cocked to one side? Should it overlay and "turn that frown
upside down" and give him a nose to boot?
> ... I've seen
> various symbols used to denote the absence of a specific base letter in
> Latin-written texts. Why would not this exist too for Lao?
I agree that existing conventions should be supported.
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