The toplevel header IDs don't show

Header IDs won't show for the toplevel level. For example, the headers would render like:

My 2

1. My 3 1

2. My 3 2

rather than:

1. My 2

1.2. My 3 1

1.2. My 3 2

This is because in this case, we guess that the h2 is the toplevel.

 Ancestors