[OpenType] vhea.yMaxExtent definition

Ken Lunde lunde at adobe.com
Tue Sep 12 04:29:42 CEST 2017


Nakamura-san,

I agree that using consistent equation-like text is important, and that this is a worthwhile change for the 'vhea' table. I added the "other" mailing list for increased exposure.

Regards...

-- Ken

> On Sep 6, 2017, at 12:21 AM, Masaya Nakamura <mnakamura at typeproject.com> wrote:
> 
> Message from OpenType list:
> 
> 
> Dear all,
> 
> 
> In the OpeyType spec, vhea.yMaxExtent is described as:
> 
>> Defined as yMaxExtent = minTopSideBearing+(yMax-yMin)
> 
> It seems like a typo; the right definition would be "max(tsb + (yMax - yMin))". (cf. hhea.xMaxExtent)
> 
> -- 
> Masaya Nakamura / 中村 真也 
> mnakamura at typeproject.com
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