(no version information, might be only in CVS)
DOMElement->setIdAttributeNS() -- Declares the attribute specified by local name and namespace URI to be of type ID
Declares the attribute specified by localName and
namespaceURI to be of type ID.
namespaceURIThe namespace URI of the attribute.
localNameThe local name of the attribute, as prefix:tagname.
isId
Set it to TRUE if you want name to be of type
ID, FALSE otherwise.