(self, other)
| 471 | return (midx, deps) |
| 472 | |
| 473 | def merge(self, other): |
| 474 | SchemaObject.merge(self, other) |
| 475 | filter = Filter(False, self.rawchildren) |
| 476 | self.prepend(self.rawchildren, other.rawchildren, filter) |
| 477 | |
| 478 | def extension(self): |
| 479 | return self.ref is not None |