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