/** Expand a single entity. */
public void expandEntity(ActiveEntity n, Output dst) {
NodeList value = n.getValueNodes(this);
if (value == null) {
dst.putNode(n);
} else {
Copy.copyNodes(value, dst);
}
}
/** Expand an entity reference. */
public void expandEntityRef(EntityReference n, Output dst) {
String name = n.getNodeName();
NodeList value = Index.getIndexValue(this, name);
if (value == null) {
dst.putNode(n);
} else {
Copy.copyNodes(value, dst);
}
}
/** Copy nodes in a nodelist. */
public void copyNodes(NodeList nl) {
Copy.copyNodes(nl, output);
}