FW: [OpenType] Kerning

[Levantovsky, Vladimir]

Forwarding message from Behdad on OpenType list to AHG.

-----Original Message-----
From: Behdad Esfahbod [mailto:behdad.esfahbod at gmail.com] On Behalf Of Behdad Esfahbod
Sent: Friday, March 12, 2010 10:44 AM
To: opentype-migration-list at indx.co.uk
Cc: Levantovsky, Vladimir; multiple recipients of OpenType - sent by
Subject: Re: [OpenType] Kerning

On 03/10/2010 03:03 PM, Levantovsky, Vladimir wrote:
> (a) If the number of kern feature lookups in the resolved language system in the GPOS table is zero, then the kern table must be applied, followed by any remaining GPOS features requested.


I believe the order should be the other way around.  GPOS applies on the
logical glyph stream whereas 'kern' applies on the visual glyphs.  So,
normally, GPOS is applied, glyphs reversed for RTL runs, then kern applies.

behdad