* lisp/emulation/cua-base.el (cua-toggle-rectangle-mark): Autoload it.
Library cua-base.el binds cua-toggle-rectangle-mark to a key in the
:set function in (defcustom cua-rectangle-mark-key ...), so it should
ensure that the command is defined.
Copyright-paperwork-exempt: yes
(autoload 'cua-set-rectangle-mark "cua-rect"
"Start rectangle at mouse click position." t nil)
+(autoload 'cua-toggle-rectangle-mark "cua-rect" nil t)
;; Stub definitions until it is loaded
(defvar cua--rectangle)