Re: [PATCH 2/2] xdiff: implement empty line chunk heuristic

Jeff King [off-list ref] writes:

I guess this will invalidate old patch-ids, but there's not much to be
done about that.

If we really cared, we could disable this (and any future) change to
the compaction logic to "patch-id --[un]stable" option.

I am not sure if it is worth the effort, though ;-)