On 2012-05-10 Taco Hoekwater
Try this:
\definetypeface [myfonts] [mm] [math] [asana] [default]
That gives: fonts > defining > unable to define asanamath as [myfonts-12pt-mm-mb--1] ! Missing font identifier. system > tex > error on line 10 in file t.tex: Missing font identifier ... 1 \starttypescript [myfonts] 2 \definetypeface [myfonts] [rm] [serif] [pagella] [default] 3 \definetypeface [myfonts] [ss] [sans] [heros] [default] 4 \definetypeface [myfonts] [tt] [mono] [cursor] [default] 5 \definetypeface [myfonts] [mm] [math] [asana] [default] 6 % modern math works 7 %\definetypeface [myfonts] [mm] [math] [modern] [default] 8 \stoptypescript 9 10 >> \setupbodyfont [myfonts] 11 12 \starttext 13 A \math{x} 14 \stoptext Marco