[NTG-context] how to with \margindata

[Wolfgang Schuster]

Hans van der Meer schrieb am 15.07.2020 um 21:48:
> Using the following:
> 
> \margindata{some macro expansions}

You're missing the first mandatory argument, e.g. \margindata[inright]{...}.

> I know that \margindata is typeset at a later moment than its place in 
> the code suggests. The problem is that macro expansions inside the {}'s 
> are expanded twice. This interferes badly with the things I want to happen.

No, the content is stored in a box and placed later.

\definecounter[test]

\starttext

\dorecurse{10}
   {\inleft{\incrementedcounter[test]}Line \recurselevel\par}

\stoptext

> Tracing what happens, I conclude that the result of the first expansion 
> is lost and is not carried into the actual placement of the marginnote.
> 
> The question this is: how to solve this problem?

Provide a working minimal example.

Wolfgang