| ERROR | [XQST0079] Invalid extension expression |
| CAUSE | It is a static error if an extension expression contains neither a pragma that is recognized by the implementation nor an expression enclosed in curly braces. |
| ACTION | None |
| ERROR | [XQST0079] Invalid extension expression |
| CAUSE | It is a static error if an extension expression contains neither a pragma that is recognized by the implementation nor an expression enclosed in curly braces. |
| ACTION | None |