> Jan Tosovsky <mailto:j.tosovsky@email.cz>
> 12. April 2016 um 20:07
>
> I am completely lost. I found page-grd.mkiv, but I have no idea what 
> to tweak here.
>
> By simple putting \showgrid[reset] at the beginning of the document no 
> grid is shown, but those colored areas are present.
You can’t disable the backgrounds with the current beta but in one of 
the coming betas
you can use the "reset" key to disable the grid visualizers and enable 
afterwards only
the grid lines.

Wolfgang