+>> and has indistinguishable performance for a refresh.
+>>
+>> Test 1 took about 6 minutes to rebuild and 1:25 to refresh; those are
+>> pessimistic figures, since I've added 90 more photos and 90 more pages
+>> (both to the wiki as a whole, and the number touched before refreshing)
+>> since testing the previous version of this branch. --[[smcv]]