Document doc2 = wdoc2.getContentDOM();
Iterator i1 = new ParaNodeIterator(cc_, doc1.getDocumentElement());
Iterator i2 = new ParaNodeIterator(cc_, doc2.getDocumentElement());
DiffAlgorithm diffAlgo = new IteratorLCSAlgorithm();
// find out the paragrah level diffs
Difference[] diffTable = diffAlgo.computeDiffs(i1, i2);
if (Debug.isFlagSet(Debug.INFO)) {
Debug.log(Debug.INFO, "Diff Result: ");
for (int i = 0; i < diffTable.length; i++) {