Many thanks Wolfgang. Useful tips indeed.
Best Wishes
Keith McKay

On Sun, 5 Mar 2023, 17:24 Wolfgang Schuster, <
wolfgang.schuster.lists@gmail.com> wrote:

> Keith McKay schrieb am 05.03.2023 um 18:10:
> >
> > Thank you so much Wolfgang! I should have realised that. It's what I
> > get for trying to write readable code.
> >
> You can use the = to align keys and values, e.g.
>
> \setuplayout
>    [backspace=2.5cm,
>        margin=0.5cm,
>         width=16cm,
>        header=1cm,
>        footer=1cm]
>
> Another useful method is to put large settings into a setups-blocks and
> pass the block to a setup-command.
>
> \startsetups [apage]
> \startMPcode
> StartPage;
> ...
> StopPage;
> \stopMPcode
> \stopsetups
>
> \defineoverlay[apage][\directsetup{apage}]
>
> Wolfgang
>
>