Thank you Wolfgang and Hraban,
it can be so easy!

But if my last subject should be at the end of the page and I shift it 
with \vfill to the end, the last subject doesn't fit the grid!

Am 14.01.24 um 11:02 schrieb Henning Hraban Ramm:
> Am 14.01.24 um 10:30 schrieb Thomas Meyer:
>> which settings are necessary to achieve "Registerhaltigkeit"?
>
> \setuplayout[grid=yes]
>
> You might like \showgrid, and please read the manual details.pdf WRT 
> to placement of elements that don’t fit the grid.
>
> Hraban
> ___________________________________________________________________________________ 
>
> If your question is of interest to others as well, please add an entry 
> to the Wiki!
>
> maillist : ntg-context@ntg.nl / 
> https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
> webpage  : https://www.pragma-ade.nl / https://context.aanhet.net 
> (mirror)
> archive  : https://github.com/contextgarden/context
> wiki     : https://wiki.contextgarden.net
> ___________________________________________________________________________________ 
>