I have recently become an admin of a small wiki created by another user and I'm a bit puzzled by the change patrolling.
Today I noticed (probably was there before and didn't notice) a red exclamation point next to some changes I made a few days ago and some new changes made by another user. If the page has been created by the other user and doesn't have any further edits, I'm able to check the "Mark as patrolled" button and patrol the edit.
But for changes I made a few days ago (before I became admin) and that have more recent edits (made by myself), there's no "Mark as patrolled" button that I can find anywhere on the page and on any of the edits. Usually the warning is on the first edit that created the page, but even going to that edit I can't find the button to patrol it.
From what I got, admins have to require the patrolling feature, but I'm not aware whether the other admin did ask for this feature, I doubt he did considering the wiki is pretty small. What am I missing?