/src/main/java/org/htmlunit/html/DomNodeIterator.java
final DomNode left = getSibling( root_, true) ;
final DomNode left = getSibling ( node, true ) ;
node = leftChild; } } } else { if (beforeNode) { <extra_id_0> if (left == null) { final Node parent = node.getParentNode(); if (parent == null) { node = null; } }