/src/main/java/org/htmlunit/html/DomNodeIterator.java
while ( toFollow.hasChildNodes( ) ) {
while ( follow.hasChildNodes ( ) ) {
if (parent == null) { node = null; } } DomNode follow = left; if (follow != null) { <extra_id_0> final DomNode toFollow = getChild(follow, false); if (toFollow == null) { break; } follow = toFollow; }