[XeTeX] graphite-info.tex

Lorna Evans lorna_evans at sil.org
Thu Jun 16 22:58:14 CEST 2016

Thanks for your help.

I'm using XeTeX .99996 from TeX Live 2016/W32TeX.

I'm using version 3.0 of the font.

This command fires the feature properly:


And none of these work:








Anyway, I have a workaround.


-------- Original Message --------
Subject: Re: [XeTeX] graphite-info.tex
From: Jonathan Kew <jfkthame at gmail.com>
To: XeTeX (Unicode-based TeX) discussion. <xetex at tug.org>
Date: 6/15/2016 6:32 PM
> On 15/6/16 20:38, Lorna Evans wrote:
>> Is there a graphite-info.tex to find out what the feature names are in a
>> Graphite font?
>> I've haven't been able to find it and it would be useful. Or, is there
>> some other way to display all the Graphite features in a font.
> If I remember aright, the graphite feature support in xetex shares the 
> same commands as the AAT feature support, so you should be able to run 
> the AAT-info.tex file and just change the font names appropriately. 
> (You'll need to change the Mac-specific fonts it uses to annotate the 
> output, as well as the name of the actual target font.)
>> My actual problem is that I have a font where the feature name is "Long
>> U with Yayit, long UU with Hato". I'm able to access all other features
>> in the font except this one. I wonder if XeTeX thinks it's too long or
>> if it doesn't like the comma in the feature name. Would it concatenate
>> the feature name in that case?
> I'm pretty sure the comma is the problem; the "micro-syntax" xetex 
> parses in the font name string will treat comma as separating two 
> successive values for the same feature name. That is, it's intended to 
> let you say things like:
>   \font\x = "MyFont:Ligatures=Common,Rare,Historical"
> as a shorthand for:
>   \font\x = "MyFont:Ligatures=Common;Ligatures=Rare;Ligatures=Historical"
> To work around this, I _think_ it also lets you specify features by ID 
> (like for OpenType fonts), so you should be able to do
>   \font\x = "Padauk:+ulon"
> as suggested by Andrew in the reply I just saw arrive. :)
> JK
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