Thanks, this has been very helpful.

On Fri, Jul 23, 2021 at 1:02 PM Wolfgang Schuster <
wolfgang.schuster.li...@gmail.com> wrote:

> T. Kurt Bond schrieb am 23.07.2021 um 17:55:
> > With natural tables I can define a color, tell the table to have to
> > use color backgrounds and turn the frame off and get every odd row in
> > all my tables will have that color for the background.
> >
> > ========== Example
> ============================================================
> > \definecolor[grayback][r=.8,g=.8,b=.8]
> > \setupTABLE[background=color,frame=off]
> > \setupTABLE[row][odd][backgroundcolor=grayback]
> > ========== End of Example
> =====================================================
> >
> > Can I get this same effect with extreme tables?
> >
> > My first try with extreme tables looked like this:
> >
> > ========== Example
> ============================================================
> > \definecolor[tablebackground][r=.8,g=.8,b=.8]
> > \setupxtable[background=color,frame=off]
> > \setupxtable[row][odd][backgroundcolor=tablebackground]
> > ========== End of Example
> =====================================================
> >
> > That didn't seem to have any effect.
> >
> > Is there a way to have every odd row of every table in my document
> > have color background?
>
> \startuseMPgraphic{xtablerow}
>      fill OverlayBox withcolor "gray";
> \stopuseMPgraphic
>
> \defineoverlay
>    [xtablerow]
>    [\ifodd\currentxtablerow
>       \useMPgraphic{xtablerow}%
>     \fi]
>
> \starttext
>
> \startxtable[frame=off,background=xtablerow]
> \dorecurse{20}
>    {\startxrow
>       \startxcell Column 1 \stopxcell
>       \startxcell Column 2 \stopxcell
>     \stopxrow}
> \stopxtable
>
> \stoptext
>
> Wolfgang
>
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-- 
T. Kurt Bond, tkurtb...@gmail.com, https://tkurtbond.github.io
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