[HarfBuzz] hb_unicode_eastasian_width

[Jonathan Kew]

On 3/9/15 13:01, Behdad Esfahbod wrote:
> On Thu, Sep 3, 2015 at 3:36 PM, Jonathan Kew <jfkthame at gmail.com
> <mailto:jfkthame at gmail.com>> wrote:
>
>     Hi Behdad,
>
>     Just wondering about hb_unicode_eastasian_width, and the underlying
>     support for it in the unicode_funcs.... AFAICS this is not currently
>     used in any way. (Or am I forgetting something important?)
>
>     Do you have plans for this at all, or is it truly redundant?
>
>
> It's redundant.  We should deprecate it and add another, redundant,
> vertical-orientation property.  That will be useful by HarfBuzz clients,
> for segmenting vertical text.  Having it in hb-unicode is handy because
> client code can interact with hb-unicode API only.
>
> Does that make sense to you?

Yes, sounds fine. (For now, I mostly wanted to check whether removing 
our current implementation of the EAW callback might be something we'd 
regret later.)

JK