public void clearremovals ()
	// undo all removals in the current node
	{
		if (Pos.haschildren()) return;
		getinformation();
		undonode();
		ListElement la = Pos.node().actions(), lan;
		Action a;
		while (la != null)
		{
			a = (Action)la.content();
			lan = la.next();
			if (a.type().equals("AB") || a.type().equals("AW")
				|| a.type().equals("AE"))
			{
				Pos.node().removeaction(la);
			}
			la = lan;
		}
		setnode();
		showinformation();
		copy();
	}