On Mon, Feb 23, 2009 at 11:53:30AM +0100, Hans Hagen wrote:
>> \setupbodyfont[arabic=foo,latin=bar]
>
> for that we have the fallbacks mechanism; of course one can mix any font  
> but even then it always demands tuning, i.e. foo and bar can look  
> completely weird when combined without relative scaling (which is what  
> the fallbacks do: thereone chooses one main font and overlays other  
> fonts properly scaled)

But I think fallbacks are very low level that users shouldn't worry
about in general, may be such command can be a higher level interface
for font fallbacks. For scaling, we can specify a size, some thing like:

\setupbodyfont[arabic=foo,20pt,latin=bar,18pt]

or so.

Regards,
 Khaled


-- 
 Khaled Hosny
 Arabic localizer and member of Arabeyes.org team