define-auto-insert
define-auto-insert is an autoloaded compiled Lisp function in `autoinsert.el
'.
(define-auto-insert CONDITION ACTION &optional AFTER)
Associate CONDITION with (additional) ACTION in `auto-insert-alist'.
Optional AFTER means to insert action after all existing actions for CONDITION,
or if CONDITION had no actions, after all other CONDITIONs.