+(defcustom modeline-3d-p ;; added for the options menu
+ (let ((thickness
+ (specifier-instance modeline-shadow-thickness)))
+ (and (integerp thickness)
+ (> thickness 0)))
+ "Whether the default toolbar is globally visible. This option can be
+customized through the options menu."
+ :group 'display
+ :type 'boolean
+ :set #'(lambda (var val)
+ (if val
+ (set-specifier modeline-shadow-thickness 2)
+ (set-specifier modeline-shadow-thickness 0))
+ (redraw-modeline t)
+ (setq modeline-3d-p val))
+ )
+