a = ((AttributeGap) m).copy(a);
} else {
c = ((TempNode) m).copy(c);
}
}
n = e.copy(a, c, e.getNextSibling());
} else if (n instanceof AttributeGap) {
if (!siblings.peek().isEmpty()) {
Node m = siblings.peek().pop();
if (m instanceof Element) { // element with agap successor
Element f = (Element) m;