Use a consistent heading structure

The tool supports ATX headings from one to six levels. It creates lowercase anchors, removes punctuation, and adds numeric suffixes to repeated headings.

Give repeated headings distinct anchors

The second Next steps heading receives a numeric suffix. Check the links in your destination renderer.

# Project notes

## Next steps

## Next steps

Verify every destination

Anchor conventions vary between renderers. Setext headings and headings inside HTML are not extracted. Inspect heading text with inline formatting before using the links.