[NTG-context] mkiv digits/units zero padding not working

Hi,

I’m trying to get

\digits{15.0=}±\digits{1.00}

\digits{_8.12}±\digits{0.34}

horizontally aligned as

15.0 ±1.00
8.12±0.34

But I get

15.0±1.00
8.12±0.34

From the source (phys-dim.mkiv), I can see that “=“ should expand to
\hphantom{0}. (I think \zeropoint in the table is outdated, since
\def\zeropoint\hphantom{0} does not solve the problem either.)

I can’t use tabulate or alignment in math mode for this problem unfortunately.

Any hints would be very welcome.

Thanks

Benjamin
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