[XeTeX] [OS X TeX] fontspec, disabling something.

Jonathan Kew jonathan_kew at sil.org
Mon May 14 17:13:19 EDT 2007

On 11 May 2007, at 5:48 pm, Bruno Voisin wrote:

> Le 12 mai 07 à 00:17, Maarten Sneep a écrit :
>> I'm trying to see what is in the fontspec package and XeTeX. I've
>> come across something that the manual says should work, but it
>> doesn't for me. The issue is shown in the minimal sample included
>> below. I see a WordFinal version of the ‘e’ at the end of
>> ‘nightmare’, which I want to disable. As you can see I tried to do
>> that, and while there are no errors printer to the terminal, or the
>> log, the WordFinal ‘e’ is still there. Am I missing something?
> I see the same as you do, and it seems to be a bug in either XeTeX or
> the font, but not in fontspec: it's LineFinal and LineInitial which
> have the desired effect in your case, not WordFinal and WordInitial.

Right. This is an issue with XeTeX itself, not the fontspec package  
or the actual font.

It's not exactly a bug, I'd say, it's a known (unfortunate)  
consequence of the current program architecture; the AAT or OpenType  
font processing is not able to distinguish a mid-line font change  
(which breaks the text run for font feature processing) from a line  

I'd be glad to improve this some day, but it's part of a whole area  
that requires considerable work to handle correctly. For now, it's a  
limitation of the implementation.


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