'''nstcl-core''', part of [nstcl], includes commands to parse arguments and define procedures ** Documentation ** [http://nstcl.sourceforge.net/docs/nstcl-core/%|%official reference]: ** Description ** [[`[http://nstcl.sourceforge.net/docs/nstcl-core/ad_proc.html%|%ad_proc]`] makes handling optional switches to procs easy. <> Package