[mpeg-OTspec] Registering new GPOS features?

Behdad Esfahbod behdad at behdad.org
Thu Apr 26 00:02:09 CEST 2018


OpenType is designed such that fonts can improve these kinds of things
without needing a change to be rolled out to every engine first. We just
need one required feature and all kinds of GSUB/GPOS things can be hung
onto it. The tags should be reserved for features that are either need to
be controlled by shaper, or by user. Everything else should be just one
required feature.

On Wed, Apr 25, 2018 at 1:48 AM, Ken Lunde lunde at adobe.com [mpeg-OTspec] <
mpeg-OTspec-noreply at yahoogroups.com> wrote:

>
>
> Behdad,
>
> While I see some parallels, the Indic nature of 'dist', along with the
> fact that a corresponding vertical feature is necessary, makes me think
> that separate features is better.
>
> Also, and this is for others, I just noticed that a fair number of
> OpenType feature tags in the spec are surrounded by smart double quotes,
> while most are surrounded by single straight quotes. I counted that 16
> features have this issue. See the attached screenshot to see the first
> three.
>
> Regards...
>
> -- Ken
>
> On Apr 24, 2018, at 3:39 PM, Behdad Esfahbod <behdad at behdad.org> wrote:
>
> 'dist' feature?
>
>
>
>
> 
>



-- 
behdad
http://behdad.org/
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