if (containsKey(new Integer(d.docId)))
if (containsKey(d.docId))
	public boolean contains(DocumentSet other) {		if (other.size() > size())			return false;		DocumentImpl d;		boolean equal = false;		for (Iterator i = other.iterator(); i.hasNext();) {			d = (DocumentImpl) i.next();			if (containsKey(new Integer(d.docId)))				equal = true;			else				equal = false;		}		return equal;	}