Changes
New page: <code> \setuppapersize [XY][A4] \setupp...
<code>
\setuppapersize [XY][A4]
\setuppaper [topspace=5mm,backspace=5mm,dx=1mm,dy=1mm,nx=2,ny=6]
\setuplayout [page] [topspace=5mm,backspace=5mm]
\setuplayout [page]
\setuplayout [location=middle]
\setuparranging [XY]
\showframe
\starttext \dorecurse{30}{test \recurselevel \page} \stoptext
</code>
\setuppapersize [XY][A4]
\setuppaper [topspace=5mm,backspace=5mm,dx=1mm,dy=1mm,nx=2,ny=6]
\setuplayout [page] [topspace=5mm,backspace=5mm]
\setuplayout [page]
\setuplayout [location=middle]
\setuparranging [XY]
\showframe
\starttext \dorecurse{30}{test \recurselevel \page} \stoptext
</code>