Though there is a \setmathfont command, it doesn't seem to work. The
following example still typeset in LM.

\usemodule[simplefonts]
\setmathfont[Asana Math]
\starttext
$\sqrt{x+y}=z$
\stoptext

Any idea?

Regards,
 Khaled

-- 
 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer