Function: button--area-button-p
button--area-button-p is a byte-compiled function defined in
button.el.gz.
Signature
(button--area-button-p B)
Documentation
Return non-nil if BUTTON is an area button.
Such area buttons are used for buttons in the mode-line and header-line.
Source Code
;; Defined in /usr/src/emacs/lisp/button.el.gz
(defun button--area-button-p (b)
"Return non-nil if BUTTON is an area button.
Such area buttons are used for buttons in the mode-line and header-line."
(stringp (car-safe b)))