For many years most Emacs users used setq to set the various configuration options of Emacs and the packages that they were using. This probably wasn’t the best option (read on), but it was the most popular way of doing things. Now, however, it’s finally time for a change!1 Why do we need setopt? In Emacs 29, a new macro setopt was introduced to provide a more appropriate method for setting user options (variables defined with defcustom). As mentioned above, traditionally, Emacs users hav...
