I think (1) is probably a reasonable way to go: a validator that
changes only when the tree format changes will be stable enough to be
useful. We'll have to check firstly that it actually is stable across
everything but a format upgrade, and secondly that it does include
every important aspect of the tree.
I think (1) is probably a reasonable way to go: a validator that
changes only when the tree format changes will be stable enough to be
useful. We'll have to check firstly that it actually is stable across
everything but a format upgrade, and secondly that it does include
every important aspect of the tree.
Martin