[NTG-context] bold header turns regular again

Hello, I have just found an old piece of code (that has been misbehaving for a long time). The last number is printed in regular instead of bold typeface in both mkii and mkiv: \startitemize[n][headstyle=bold] \head a\par aa \head b\par \head c \head d \stopitemize (I know a workaround, so no urge to fix it, I just thought it might be worth reporting it.) Mojca