Hans van der Meer wrote:
> This is a problem I am anxious to solve.
> Run this program:
>
> \starttext
> \newbox\testbox
> \hbox{%
> % centered
> \setbox\testbox=\vbox{\vskip5mm\framed[frame=on,align=disable,width=1cm,height=2cm,offset=0pt,location=depth,top=\vss,bottom=\vss]{lp}\vskip5mm}
> \the\h
This is a problem I am anxious to solve.Run this program:\starttext\newbox\testbox\hbox{%% centered\setbox\testbox=\vbox{\vskip5mm\framed[frame=on,align=disable,width=1cm,height=2cm,offset=0pt,location=depth,top=\vss,bottom=\vss]{lp}\vskip5mm}\the\ht\testbox \box\testbox% bottom\setbox\testbox=\vbo
