[HarfBuzz] Choosing "dev2" vs "deva" OT script for shaping

[Behdad Esfahbod]

Filed here for now:

  https://github.com/behdad/harfbuzz/issues/106

On 15-05-07 07:01 AM, Adam Twardoch (List) wrote:
> Yes, separate x-prefixes for script and land would be good! (That'd allow for 3-letter script tags).
> 
> Sent from my mobile phone.
> 
>> On 07.05.2015, at 04:28, Martin Hosken <mhosken at gmail.com> wrote:
>>
>> Dear Behdad,
>>
>>> I can extend the BCP 47 extension to also choose the script system if it's
>>> available.  Eg, a language setting of "x-hbotdeva" will choose "deva" whereas
>>> "x-hbotdev2" will choose "dev2".  This works for script tags that have four
>>> letters (ie, not 'lao ', 'yi  ', 'nko ', and 'vai ').
>>>
>>> We would only recognize the three-letter ones as language system tag.
>>>
>>> This will be useful for choosing 'math' script as well.
>>
>> +1
>>
>> Or you could use x-hbscdev2 (as in script) to separate the namespaces.
>>
>> Yours,
>> Martin
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