/rhino/xmlimplsrc/org/mozilla/javascript/xmlimpl/XML.java
if ( child != null) {
if ( child == null ) {
return i; } } return -1; } XML insertChildBefore(XML child, Object xml) { <extra_id_0> appendChild(xml); } else { XmlNode[] toInsert = getNodesForInsert(xml); int index = getChildIndexOf(child); if (index != -1) { this.node.insertChildrenAt(index, toInsert);