Variable: widget-push-button-prefix
widget-push-button-prefix is a customizable variable defined in
wid-edit.el.gz.
Value
"["
Documentation
String used as prefix for buttons.
Source Code
;; Defined in /usr/src/emacs/lisp/wid-edit.el.gz
;;; The `push-button' Widget.
;; (defcustom widget-push-button-gui t
;; "If non-nil, use GUI push buttons when available."
;; :group 'widgets
;; :type 'boolean)
;; Cache already created GUI objects.
;; (defvar widget-push-button-cache nil)
(defcustom widget-push-button-prefix "["
"String used as prefix for buttons."
:type 'string
:group 'widget-button)