The problem is self-explanatory:


This does not work, but how can I make it work?

  • 2
    \newcommand{\family}[1][sf]{\csname #1family\endcsname}? – Jairo A. del Rio Nov 7 '20 at 22:52
  • Wow! Thank you so much. – user224041 Nov 7 '20 at 22:54
  • @JairoA.delRio If you would like you can post a formal answer I will accept it. – user224041 Nov 7 '20 at 23:19

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