Hello,
In the code below, the red vertical line extends beyond the edges of the
cell.
Thank you
Fabrice
\startuniqueMPgraphic{Vertical}
linecap:=squared ;
path p ; p := unitsquare xyscaled (OverlayWidth,OverlayHeight) ;
drawoptions (withpen pencircle withcolor \MPcolor{red}) ;
draw .5[llcorner p, lrcorner p]--.5[ulcorner p, urcorner p] ;
setbounds currentpicture to p ;
\stopuniqueMPgraphic
\defineoverlay[Vertical][\uniqueMPgraphic{Vertical}]
\startsetups[table:initialize]
\setupTABLE[start]
[align={middle,lohi},offset=0.5ex,width=1.5cm,
foregroundstyle={\switchtobodyfont[10pt]}]
\setupTABLE[1][2][background=Vertical]
\stopsetups
\starttext
\startlinecorrection[blank]
\startmidaligned
\bTABLE[setups=table:initialize]
\bTR
\bTD \math{\red 0 {\rm (A)}} \eTD
\bTD \math{+\infty} \eTD
\eTR
\bTR
\bTD \eTD
\bTD \math{+\infty} \eTD
\eTR
\eTABLE
\stopmidaligned
\stoplinecorrection
\stoptext