On Mon, Sep 02, 2019 at 01:03:21PM +0200, Michael Heerdegen wrote: > tomas@tuxteam.de writes: > > > In Emacs Lisp you could try: > > > > (setcar (nthcdr 3 foo) 'mud) > > Another way to write that is > > (setf (nth 3 foo) 'mud) Yes, much nicer. I always forget about setf. Thanks for the reminder! Cheers -- tomás