Fabrice Couvreur via ntg-context schrieb am 19.04.2023 um 17:01:

Hi,
The idea is to have a black square whose height is that of the number 3.
Thanks
Fabrice

\setupbodyfont[12pt,pagella]
\starttext
\blackrule[width=0.71em,height=0.71em]37254H

\blackrule[width=\wdofstring{3},height=\htofstring{3},depth=\dpofstring{3}]

Wolfgang