| ERROR | [XQST0070] Invalid (prefix, URI) combination |
| CAUSE | A static error is raised if a namespace URI is bound to the predefined prefix xmlns, or if a namespace URI other than http: //www.w3.org/XML/1998/namespace is bound to the prefix xml, or if the prefix xml is bound to a namespace URI other than http: //www.w3.org/XML/1998/namespace. |
| ACTION | None |