"Return non-nil when horizontal scroll bars are available on this system."
(and (display-graphic-p)
(boundp 'x-toolkit-scroll-bars)
- x-toolkit-scroll-bars
- (not (eq (window-system) 'ns))))
+ x-toolkit-scroll-bars))
(define-minor-mode horizontal-scroll-bar-mode
"Toggle horizontal scroll bars on all frames (Horizontal Scroll Bar mode).