			TK BINDINGS

TK V3
	Dragging Control-mouse-button-1 will scroll text windows, entries
		and lists.
	Drag Mouse-button-1 for selection
	Shift-Mouse-button-1 will extend the selection
	Mouse-button-2 when selecting a menu will tear off the menu
	Mouse-button-2 in an entry field will paste in the X selection

TK V4
	Dragging Mouse-button-2 will scroll text windows, entries
		and lists.
	Mouse-button-2 in an entry field will paste in the X selection
	Drag Mouse-button-1 for selection, dragging it outside the widget
		scrolls the widget
	Shift-Mouse-button-1 will extend the selection
	EMACS commands work on entry and text areas 
