https://github.com/COPIM/Deep-Maps-Blue-Humanities/blob/73d808e8cd31b98c0d78a53da20a8302443edb00/20241022%20-%20Chapter%201%20Draft%201.0/20241022%20-%20CH1%20Status.md?plain=1#L19C1-L19C34
I wonder why chapter transitions need to be marked? It could also be a continuous decent.
Alternatively, I could imagine that the chapter transitions mark a real change in the logic of how the fragments are structured.