*/
	public void removeFromTabbedGroup(Dockable dockable) { // 2005/07/13
		/* package protected */

		/*
		 * This method is invoked when a component is dragged outside of a tab
		 * group : meaning the user doesn't want anymore this dockable to be
		 * grouped in that tab.
		 */
		LinkedList<Dockable> group = tabbedGroups.get(dockable);
		if (group != null) {
			tabbedGroups.remove(dockable);
			group.remove(dockable);
			if (group.size() == 1) { // end of grouping as there are no more
										// dockables linked.
				Dockable d = (Dockable) group.removeFirst();
				tabbedGroups.remove(d);
			}
		}

	}