private void findExactMatches( BaseNode tree, BranchNode key, Vector candidates ) {
protected void findExactMatches( BaseNode tree, BranchNode key, Vector candidates ) {
  private void findExactMatches( BaseNode tree, BranchNode key, Vector candidates ) {    for( Iterator i = new DFSTreeIterator(tree);i.hasNext();) {      BaseNode cand = (BaseNode) i.next();      //System.out.println("Cand=" + cand.getContent().toString());      if( cand.getContent().contentEquals(key.getContent()) )        candidates.add( new CandidateEntry( cand, 0.0, -1.0 )); // -1.0 => lr not present    }  }