ContentHandler consumer) throws Exception {
consumer.startDocument();
TagComparator oldComp = new TagComparator(oldText);
TagComparator newComp = new TagComparator(newText);
TagSaxDiffOutput output = new TagSaxDiffOutput(consumer);
TagDiffer differ = new TagDiffer(output);
differ.diff(oldComp, newComp);
consumer.endDocument();
}