public XPathDocumentDescendantOrSelfIterator(XPathDocumentDescendantIterator it) : base(it) {}
public XPathDocumentDescendantIterator(XPathDocumentDescendantIterator it) { this.nav = (XPathDocumentNavigator) it.nav.Clone(); this.name = it.name; this.uri = it.uri; this.level = it.level; this.position = it.position; }