[NTG-context] underbrace spacing

[Johann Birnick]

Hi there,

if I do

\starttext
$4 \underbrace{+ 3}_{\text{because of lorem} + 2}$
\stoptext

then the spacing gets really big because of the long. How can I prevent this?

(in LaTeX one can use \mathcal or so and that works)

Best regards,
Johann