[XeTeX] Language-specific glyphs

[Will Robertson]

On 14/02/2008, at 10:40 AM, Jonathan Kew wrote:

> Did I? Oops.... perhaps that went missing when I updated the ICU
> layout code or something. I'll look back through the history.
>
> You're right. I did that back in August 2006; when I later moved to
> ICU 3.6 (Jan 2007), I missed merging that change into the newer  
> library.

Ah, no worries. It's weird that ICU doesn't have locl turned on by  
default too, though.
 From <http://www.microsoft.com/typography/otspec/features_ko.htm>:
> Application interface: Localized forms are associated with specific  
> languages and are activated by language tags. Which glyph is used as  
> the localized form should be determined by the language the user has  
> specified. The user can switch localized forms by selecting a new  
> language, or may enable default forms by switching off the locl  
> feature.
>
> UI suggestion: This feature should be active by default.
>
> Script/language sensitivity: Applies to all scripts and languages;  
> but of course behavior differs by script and language.
>

I guess fontspec needs a LocalForms=Off feature after all.

Will
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