[XeTeX] Font protrusion --- new or old ?

[Jonathan Kew]

Thanks for the "status report", Adam. This fits with the impression I  
had, but your knowledge of the whole field is much more extensive so  
it's good to hear your assessment.

On 9 Feb 2009, at 11:09, Adam Twardoch wrote:

> Jonathan Kew wrote:
>> (Adam T, are you listening? Do you know of any "pro" fonts that
>> actually support opbd, or has this not actually be implemented
>> anywhere?)
>
> My experience so far is that the implementation practice with  
> stylistic
> (non-linguistic) OpenType Layout features is the following:
>
> * Adobe implements some features in their fonts
> * Adobe implements support for some features in their applications
> * other font vendors look at Adobe's fonts, Adobe applications and  
> font
> creation tools, and implement features that were implemented in  
> Adobe's
> fonts and are supported in Adobe applications
> * other software vendors look at Adobe applications and the OpenType
> spec, and implement a variety of features
> * font vendors take a look at non-Adobe software implementations and
> adjust their preferences
>
> For example the "size" feature has been implemented in a number of  
> Adobe
> fonts but practically none non-Adobe fonts because Adobe has not
> implemented "size" in any applications. So there is currently no
> feasible way to test the features.

Regarding 'size', this is actually supported in XeTeX, btw. :)


JK