[OpenType] vhea.yMaxExtent definition

[Levantovsky, Vladimir]

Thank you Ken,
I also had this flagged as a potential future corrigenda item, it would be good to hear if everyone agrees with this proposed change or if there are any objections.

Thank you,
Vlad



-----Original Message-----
From: mpeg-OTspec at yahoogroups.com [mailto:mpeg-OTspec at yahoogroups.com] On Behalf Of Ken Lunde lunde at adobe.com [mpeg-OTspec]
Sent: Monday, September 11, 2017 10:30 PM
To: opentype-list at indx.co.uk; mpeg-OTspec at yahoogroups.com
Subject: [mpeg-OTspec] Re: [OpenType] vhea.yMaxExtent definition

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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Posted by: Ken Lunde <lunde at adobe.com>
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