[HarfBuzz] Hangul Shaper (was Re: an issue regarding discrepancy between Korean and Unicode standards

Jonathan Kew jfkthame at googlemail.com
Tue Dec 31 03:35:44 PST 2013

On 31/12/13 09:53, Behdad Esfahbod wrote:
> I've now pushed a Hangul shaper out to HarfBuzz master.  Here's the comments
> explaining what it tries to do:
 > ...

Thanks for working on this. Looks good so far (though I haven't tested 
in any real depth).

The one thing I don't see here is any support for the Hangul one- and 
two-dot tone marks U+302E/302F. It's possible some fonts could handle 
these entirely within OpenType, but in the case of Windows' malgun.ttf, 
for example, we need to re-order the tone mark to precede the syllable 
to which it is applied, so that it appears on the left.

I believe both Uniscribe and Core Text handle this, so we really need to 
match their behavior.


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