* doc/emacs/entering.texi (Exiting): Link to the lispref
manual for further customisations (bug#15445).
@code{confirm-kill-emacs} is the function @code{yes-or-no-p}. The
default value of @code{confirm-kill-emacs} is @code{nil}.
+ To further customize what happens when Emacs is exiting, see
+@ref{Killing Emacs,,, elisp, The GNU Emacs Lisp Reference Manual}.
+
@findex kill-emacs
To kill Emacs without being prompted about saving, type @kbd{M-x
kill-emacs}.