elementStack.clear(); elementStack.push(root); elementStack.push(root.getElement(root.getElementIndex(offset))); numEndTags = 0; numStartTags = 0;
    public void insert(int offset, int length, ElementSpec[] data,                       DefaultDocumentEvent ev)    {      this.offset = offset;      this.length = length;      documentEvent = ev;      insertUpdate(data);    }