Changes touching this path

• a raise appends its reason to the accumulated history instead of replacing it, which is the arm both ceiling raises actually took, and throwing the old rationale away becomes a deliberate --replace-reason rather than the default 2d293f04 · dbf3dbe6…

Renames are not followed. loot's tree maps a path to an address, so a rename is a delete and an add. This list is the history of the name, not of the bytes.