[MPEG-OTSPEC] Rules for cubic bits in glyf flags include undefined behaviour for some configurations

[Liam R. E. Quin]

On Mon, 2023-10-02 at 16:36 -0700, Skef Iterum wrote:
>  
> . I don't think anyone has proposed (or otherwise has in mind)
> removing implied quadratic on-curve points from the specification or
> altering how they're processed.

Indeed.  A couple of goals, as i understand it:

(1) existing fonts continue to work exactly as before;

(2) copying glyph definitions from glyf into the GLYF table does not
change the effect of those definitions.

So we are only talking about adding new behaviour and pinning it down.

liam

-- 
Liam Quin, https://www.delightfulcomputing.com/
Available for XML/Document/Information Architecture/XSLT/
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