From: Hans Hagen <pragma@wxs.nl>
To: ntg-context@ntg.nl
Subject: Re: Urdu with NotoNastaliqUrdu-Regular.ttf
Date: Sun, 29 Nov 2015 11:09:20 +0100 [thread overview]
Message-ID: <565ACED0.9070202@wxs.nl> (raw)
In-Reply-To: <CABR1-XaNA5ev9Hk4ya_4J7-GLw=k-xx2uFaJO_YK5fNahjE8QA@mail.gmail.com>
On 11/29/2015 4:38 AM, Deepak Jois wrote:
> On Sun, Nov 29, 2015 at 7:06 AM, Deepak Jois <deepak.jois@gmail.com> wrote:
>> On Sun, Nov 29, 2015 at 12:32 AM, Hans Hagen <pragma@wxs.nl> wrote:
>>> well, only for gsub, not for gpos where only arab/dflt is defined
>>
>> Are you saying that is a bug with the font? If so, I could report it,
>> for what it’s worth.
>>
>
> Tried to look into the spec regarding GPOS lookups:
> https://www.microsoft.com/typography/otspec/gpos.htm
>
> <quote>
> …
>
> To access GPOS information, clients should use the following procedure:
>
> 1. Locate the current script in the GPOS ScriptList table.
>
> 2. If the language system is known, search the script for the correct
> LangSys table; otherwise, use the script's default language system
> (DefaultLangSys table).
>
> …
> </quote>
yes but for testing and control i don't like hard coded defaults so that
has to go via an option; a next version will have a 'default' option
that when set to true will fallback on dflt .. and tex is about control
(btw, features and what should be on/off are the messiest part of
opentype ... and often very inconsistent so ..)
Hans
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next prev parent reply other threads:[~2015-11-29 10:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-27 21:56 Philipp Gesang
2015-11-28 10:26 ` Hans Hagen
2015-11-28 11:49 ` Deepak Jois
2015-11-28 19:02 ` Hans Hagen
2015-11-29 1:36 ` Deepak Jois
2015-11-29 3:38 ` Deepak Jois
2015-11-29 10:09 ` Hans Hagen [this message]
2015-11-29 10:12 ` Hans Hagen
2015-11-29 11:46 ` Hans Hagen
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