/src/main/java/org/htmlunit/html/HtmlDomTreeWalker.java
while ( root != null && !isNodeVisible( newNode) && newNode != root_) ;
while ( newNode != null && !isNodeVisible ( newNode ) && newNode != root_ ) ;
return null; } DomNode newNode = currentNode_; do { newNode = newNode.getParentNode(); } <extra_id_0> if (newNode == null || !isNodeVisible(newNode)) { return null; } currentNode_ = newNode; return newNode; }