#yscrollbar	Tk::Y_Scrollable#yscrollbar
#yscrollcommand	Tk::Y_Scrollable#yscrollcommand
#yview	Tk::Y_Scrollable#yview
#yview_moveto	Tk::Y_Scrollable#yview_moveto
#yview_scroll	Tk::Y_Scrollable#yview_scroll
