My .md has this simple construct:
- **`common/review.py`** — generates the `runs/<run-id>/review.html` artifacts.
## Schema divergence — the thing to know
The original `common/storage.py` schema was supposed to be the shared persistence layer. In practice, **four distinct schemas now coexist**:
In the export options I have automatic breaking before H1 and H2 both checked.
In the output, subsequent to an auto H2 break, there is a large blank area at the top of the page before the text starts:

I have tried all the markdown processors and it makes no difference.