/src/main/java/org/htmlunit/html/impl/SimpleRange.java
if ( ancestor == null) {   return new DomDocumentFragment( null) ; }
[Delete]
endOffset_ = startOffset; } } public DomDocumentFragment cloneContents() { final DomNode ancestor = getCommonAncestorContainer(); if (ancestor == null) { <extra_id_0> } final DomNode ancestorClone = ancestor.cloneNode(true); DomNode startClone = null; DomNode endClone = null; final DomNode start = startContainer_; final DomNode end = endContainer_;