[NTG-context] No line break with math

Hi all, I'm pretty sure this used to work not long time ago. \starttext \showframe $a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p+q+r+s+t+u+v+w+x+y+z+a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p+q+r+s+t+u+v+w+x+y+z=$ \stoptext Is there a fix? Greeting Andreas