protected Node doClone(Node parent) {
Node clone;
try {
clone = (Node) super.clone();
} catch (CloneNotSupportedException e) {
throw new RuntimeException(e);
}
clone.parentNode = parent; // can be null, to create an orphan split
clone.siblingIndex = parent == null ? 0 : siblingIndex;
clone.attributes = attributes != null ? attributes.clone() : null;
clone.baseUri = baseUri;
clone.childNodes = new ArrayList<Node>(childNodes.size());
for (Node child : childNodes)
clone.childNodes.add(child.doClone(clone)); // clone() creates orphans, doClone() keeps parent
return clone;
}
