* The backlinks calculation code is still O(N^2) on the number of pages.
If backlinks info were stored in the index file, it would go down to
constant time for iterative builds, though still N^2 for rebuilds.
* The backlinks calculation code is still O(N^2) on the number of pages.
If backlinks info were stored in the index file, it would go down to
constant time for iterative builds, though still N^2 for rebuilds.