bar: make rebface [
	tip:	{
		USAGE:
			bar 100

		DESCRIPTION:
			A thin 3D bar used to separate widgets.
			Defaults to maximum display width.
	}
	size:	-1x1
	color:	colors/outline-light
	edge:	make outline-edge [effect: 'bevel]
	rebind:	make function! [] [color: edge/color: colors/outline-light]
]