xnewcommand - Robuta Search

https://ctan.org/tex-archive/macros/latex/contrib/xnewcommand CTAN: /tex-archive/macros/latex/contrib/xnewcommand ctan tex archive macros contrib https://ctan.org/ctan-ann/pkg/xnewcommand?lang=en CTAN: CTAN-ann - xnewcommand ctan ann