# M16-GAP-00006:Curve data-block LOCAL_EXACT slice - `task`: `M16-GAP-00006` - `parent`: `M16-GAP-00005` - `status`: `in_progress` - `gap`: `datablock:Curve` - `targetImplementationClass`: `LOCAL_EXACT` Required fixture, desktop/WASM curve geometry report, save/reopen comparison and manifest hashes are still outstanding; checker reports `IMPLEMENTATION_NOT_STARTED`.