Hello Massi,

On Mon, Apr 26, 2021 at 11:29 AM mf <massifr@fastwebnet.it> wrote:
Il 25/04/21 22:19, Jano Kula ha scritto:
> Dear list,
>
> is there a way to avoid clubs and widows in columns? I don't know, how
> it would be implemented, if the task is splitting typeset vertical list.
>
> \setuppapersize[A7]
> \starttext
> \startcolumns[separator=rule,
>                align={right,nothyphenated}]
> \dorecurse{12}{→ one two three four five\par}
> \stopcolumns
> \stoptext
>
> For a different task: are there some higher level commands in ctx than
> \vsplitprimitive to play with vbox splitting?
>

As a workaround, you could try switching to pagecolumns: since they are
typeset as pages and then rearranged as columns on a page, I expect
clubs' and widows' penalties to work as in a single page.
I've not tried, anyway.

I've tried and it works as you are expecting. Unfortunately, mine are columns inside one column page, so pagecolumns are not usable. My workaround would be to put paragraphs into vboxes (pars are short) and I was curious, if this workaround is needed or not.

Thank you,
Jano