Yes, this works! Thanks!

I'll try to add a section on the Wiki. Is there a reason why the second 
approach works while the other doesn't?

> On Dec 16, 2021, at 12:46, Hans Hagen <j.ha...@xs4all.nl> wrote:
> 
> On 12/16/2021 11:39 AM, Benjamin Buchmuller wrote:
>> Thanks again, Hans, for all the different approaches, very instructive!
>> However, after playing around a bit, I do have a question that I can't work 
>> out:
>> \getdummyparameters[headtitle=,#1]
>> \ifempty{\dummyparameter{headtitle}}
> can you try
> 
> \ifcstok{\dummyparameter{headtitle}}\emptytoks
> 
> instead
> 
> -----------------------------------------------------------------
>                                          Hans Hagen | PRAGMA ADE
>              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>       tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -----------------------------------------------------------------

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