Function: zone-add-program
zone-add-program is a byte-compiled function defined in zone.el.gz.
Signature
(zone-add-program PGM)
Documentation
Add a zone program PGM to zone-programs.
Source Code
;; Defined in /usr/src/emacs/lisp/play/zone.el.gz
(defun zone-add-program (pgm)
"Add a zone program PGM to `zone-programs'."
(unless (seq-contains-p zone-programs pgm #'eq)
(setq zone-programs (vconcat zone-programs (list pgm)))))