Re: [NTG-context] ntg-context Digest, Vol 51, Issue 39

Wolfgang Schuster wrote:

http://wiki.contextgarden.net/Commands_with_optional_arguments

And we have also \define and \redefine but you can't use optional arguments with them.

That's a good starting point, thanks for the link. My first attempts are running, although faulty. Perhaps I'll be back here for further help. Thanks, Juergen