Function: outline-invisible-p
outline-invisible-p is a byte-compiled function defined in
outline.el.gz.
Signature
(outline-invisible-p &optional POS)
Documentation
Non-nil if the character after POS has outline invisible property.
If POS is nil, use point instead.
Probably introduced at or before Emacs version 24.1.
Source Code
;; Defined in /usr/src/emacs/lisp/outline.el.gz
(defsubst outline-invisible-p (&optional pos)
"Non-nil if the character after POS has outline invisible property.
If POS is nil, use `point' instead."
(eq (get-char-property (or pos (point)) 'invisible) 'outline))