[NTG-context] page breaks before titles

[mf]

> You can use the \testpage command where you can set how many
> lines should remain on the page before a page breaks happens.
> 
> \setuphead[LetterTitle][before={\testpage[8]\blank[2*line]}]
> 
> If this doesn’t help you should make a *working* minimal example.
> 
> Wolfgang

Thanks Wolfgang (and Pablo),
\testpage[lines] solved the problem.

Massi