code: public static void setSpacingDefaults (Table table) {
  		Sizes sizes = VisUI.getSizes();
  		if (sizes.spacingTop != 0) table.defaults().spaceTop(sizes.spacingTop);
  		if (sizes.spacingBottom != 0) table.defaults().spaceBottom(sizes.spacingBottom);
  		if (sizes.spacingRight != 0) table.defaults().spaceRight(sizes.spacingRight);
  		if (sizes.spacingLeft != 0) table.defaults().spaceLeft(sizes.spacingLeft);
  	}
docs: Sets default table spacing for VisUI skin. Uses values from current skin {@link Sizes} class obtained from {@link VisUI#getSizes()}.