GitLab

	* macterm.c (mac_scroll_area): Set foreground and backcolor to
	black and white before scrolling.  Restore frame background and
	foreground color after scrolling.
	(do_window_update): Call XClearWindow before calling expose_frame.
	(make_mac_frame): Don't set FRAME_BACKGROUND_PIXEL and
	FRAME_FOREGROUND_PIXEL of frame.