Function: vcursor-check
vcursor-check is a byte-compiled function defined in vcursor.el.gz.
Signature
(vcursor-check &optional ARG)
Source Code
;; Defined in /usr/src/emacs/lisp/vcursor.el.gz
;; Make sure the virtual cursor is active. Unless arg is non-nil,
;; report an error if it is not.
(defun vcursor-check (&optional arg)
(cond
((and (overlayp vcursor-overlay) (overlay-start vcursor-overlay))
t)
(arg nil)
(t (error "The virtual cursor is not active now")))
)