[NTG-context] underdot in Greek module

In MKII (with the latest MKIV), “!” no longer seems to produce underdots (sublinear dots). \usemodule[ancientgreek] [font=GreekDioxipe,scale=1.15,altfont=GreekCanonica,altscale=0.9] \starttext \localgrk{>a!n!'h!r} \stoptext One can work around this this \d{\grk{...}}, but ... And is there a command or key for producing diareseis in Greek, again, using MKII? Alan