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  • The question is: will it work if the code is generated by macros? I know it's a weird requirement, but for various reasons, I need this to be the case. For example, the various questions and subquestions must be able to accept a list of options (pgfkeys). I have managed to write my personalized package using my workaround posted above. Commented Jan 30, 2016 at 1:44
  • @feculededentier No detail about what you want to do with those optional arguments, no way to help. Commented Jan 30, 2016 at 10:54