From: Kent Karlsson (kent.karlsson14@comhem.se)
Date: Mon Feb 11 2008 - 15:03:29 CST
James Kass wrote:
> John Hudson wrote,
>
> > Yes, canonical ordering would invert the display of the marks, so that the dot is
> > positioned below the double diacritic. In order to prevent this, the user would need to
> > insert CGJ between the two marks.
>
> Kent Karlsson called this an "ugly hack". CGJ is canonical
> combining class zero and a default ignorable code point.
It's ugly, but as Bob notes, it's Unicode's way of doing this.
> Does this mean that canonical ordering may ignore the
> CGJ and break the desired mark ordering anyway?
No. But canonical ordering, or a prosess giving the same end result,
must be applied prior to rendering in order to get the correct display.
> What about OpenType GPOS look-ups? Would the CGJ break
> any mark-to-mark positioning?
I hope not...
/kent k
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