| Flag | Set? (MUST/MAY/…) | Description |
|---|---|---|
| parsing_must | MUST NOT | |
| reading_must | MUST NOT | |
| writing_must | MUST NOT | |
| playing_should | MAY | |
| playing_must | MAY | |
| editing_should | MUST NOT |
None.
This extension is primarily intended as information about a ZZT 3.2 world - this way, implementations can reject a world which they cannot support, while tooling can utilize the other benefits of the ZXT format (such as storing metadata).