DocumentSet o = (DocumentSet) other;
final DocumentSet o = (DocumentSet) other;
	public boolean equals(Object other) {		DocumentSet o = (DocumentSet) other;		if (size() != o.size())			return false;		DocumentImpl d;		boolean equal = false;		for (Iterator i = iterator(); i.hasNext();) {			d = (DocumentImpl) i.next();			if (o.containsKey(d.docId))				equal = true;			else				equal = false;		}		return equal;	}